diff --git a/configuration b/configuration index c14e9df8ac..b45b9762de 100644 --- a/configuration +++ b/configuration @@ -35,10 +35,11 @@ export POPPER_JS=2.11.7 export CLIPBOARD_JS=2.0.11 export TIPPY_JS=6.3.7 export PDF_JS=2.8.335 -# Using commit to fix https://github.com/quarto-dev/quarto-cli/issues/2430 - revert to using a release tag when included -export REVEAL_JS=e281b3234e7991283ce4dcca705dd9a6a9ebe5d2 +export REVEAL_JS=5.1.0 export REVEAL_JS_MENU=2.1.0 -export REVEAL_JS_CHALKBOARD=a88c134e2cf3c7780448db003e7329c3cbd8cfb4 +# unrelease version needed for a fix with Reveal.js 5 +# https://github.com/rajgoel/reveal.js-plugins/pull/180 +export REVEAL_JS_CHALKBOARD=8408d5a265abf74a042122520bbb4fd0d31feaed export REVEAL_JS_PDFEXPORT=2.0.1 export LIST_JS=2.3.1 export DAY_JS=1.11.7 diff --git a/dev-docs/update-revealjs.md b/dev-docs/update-revealjs.md new file mode 100644 index 0000000000..8498c7be1c --- /dev/null +++ b/dev-docs/update-revealjs.md @@ -0,0 +1,65 @@ +# Step to update revealjs + +- [ ] Update version of REVEALJS and plugins in [`configuration`](../configuration) +- [ ] Run the update once (`package\src\quarto-bld.cmd update-html-dependencies`) and fix potential issue in theme patching +- [ ] Manually check that [`settings.scss`](../src/resources/formats/revealjs/reveal/css/theme/template\settings.scss) does not have new item to add to [`quarto.scss`](../src/resources/formats/revealjs/quarto.scss). Look for `// -- START setting.scss --` and `// -- END setting.scss --` +- [ ] Check that defaults value did not change in SASS variable mapping (e.g. `$backgroundColor` default in Revealjs is set to `$body-color` in Quarto) in the same files + +## Patching Themes + +It happens in [`update-html-dependencies.ts`](../package/src/common/update-html-dependencies.ts) + +- `sassVarsMap` contains the mapping between SASS variables in revealjs and quarto +- `revealjsThemePatches` has the variables used to patch the specific theme + +### Quarto specifics + +- `default` theme is a custom quarto theme (`default.scss`) +- `dark` theme is a cusom quarto theme (`dark.scss`) + - Default value are the one in the `quarto.scss` layer +- `white` is aliased to `default`, so use `default.scss` - `white.scss` from reveal is ignored +- `black` is aliased to `dark.scss`, so use `dark.scss` - `black.scss` from reveal is ignored + +#### About settings.scss + +- `settings.scss` is a file that contains the default value for the themes +- However, `quarto.scss` contains some defaults for Quarto. +- So part of settings.scss is inside the Quarto default, and others are in the revealjs theme ported to quarto theme + +#### About adaptation of theme files + +- Variables name are changed to match the quarto theme - this is done automatically through a mapping +- Files are patched using git for more manual modification. + + - Imports are removed + - `template/mixins.scss` will be added as part of framework layer + - `template/settings.scss` is manually inlined + - `template/theme.scss` will be added as part of framework layer + - `@include dark-bg-text-color` is removed as it is inlined in quarto.scss and `$dark-bg-text-color` allows to set it + - `@include light-bg-text-color` is removed as it is inlined in quarto.scss and `$light-bg-text-color` allows to set it + + - some defaults from `settings.scss` are hand picked, and other are inline changed in `quarto.scss` + + - For dark themes + + - Check that the dark theme is correctly patched with + ```scss + $input-panel-bg: rgba(233, 236, 239, 0.2) !default; + ``` + - Some themes have + ```scss + // code blocks + $code-block-bg: transparent !default; + ``` + to avoid quarto default value which is body-bg + + - Ignored default from settings.scss are + - `$presentation-h2-font-size:` + - `$presentation-h3-font-size:` + - `$presentation-h4-font-size:` + - `$font-family-monospace:` + - `$presentation-block-margin:` + - Values from `quarto.scss` are used even for ported themes + + - `$presentation-heading-font` + - We remove Impact font if present as fallback diff --git a/news/changelog-1.6.md b/news/changelog-1.6.md index cdbaff7a0f..4d67dcd5c2 100644 --- a/news/changelog-1.6.md +++ b/news/changelog-1.6.md @@ -12,6 +12,10 @@ All changes included in 1.6: - ([#10328](https://github.com/quarto-dev/quarto-cli/issues/10328)): Interpret subcells as subfloats when subcap count matches subcell count. - ([#10624](https://github.com/quarto-dev/quarto-cli/issues/10624)): Don't crash when proof environments are empty in `pdf`. +## `revealjs` Format + +- Update to Reveal JS 5.1.0. + ## `typst` Format - ([#10168](https://github.com/quarto-dev/quarto-cli/issues/10168)): Support `csl` bibliography style. diff --git a/package/src/common/patches/0001-Patch-PdfExport-RevealJS-plugin-to-export-toggle-fun.patch b/package/src/common/patches/0001-Patch-PdfExport-RevealJS-plugin-to-export-toggle-fun.patch deleted file mode 100644 index d00dd243cf..0000000000 --- a/package/src/common/patches/0001-Patch-PdfExport-RevealJS-plugin-to-export-toggle-fun.patch +++ /dev/null @@ -1,27 +0,0 @@ -From cdf668f9b164dca04eece54c88eaed4541211335 Mon Sep 17 00:00:00 2001 -From: Christophe Dervieux -Date: Tue, 7 Mar 2023 16:12:53 +0100 -Subject: [PATCH] Patch PdfExport RevealJS plugin to export toggle function - -This will enable toggling PDF export mode using API ---- - src/resources/formats/revealjs/plugins/pdfexport/pdfexport.js | 3 +++ - 1 file changed, 3 insertions(+) - -diff --git a/src/resources/formats/revealjs/plugins/pdfexport/pdfexport.js b/src/resources/formats/revealjs/plugins/pdfexport/pdfexport.js -index c399fa9de..bf9104c8e 100644 ---- a/src/resources/formats/revealjs/plugins/pdfexport/pdfexport.js -+++ b/src/resources/formats/revealjs/plugins/pdfexport/pdfexport.js -@@ -101,6 +101,9 @@ var PdfExport = ( function( _Reveal ){ - Reveal = _Reveal; - install(); - }; -+ Plugin.togglePdfExport = function () { -+ togglePdfExport(); -+ }; - } - - return Plugin; --- -2.39.2.windows.1 - diff --git a/package/src/common/patches/revealjs-plugin-0001-pdfexport-to-export-toggle-fun.patch b/package/src/common/patches/revealjs-plugin-0001-pdfexport-to-export-toggle-fun.patch new file mode 100644 index 0000000000..094a44c6d7 --- /dev/null +++ b/package/src/common/patches/revealjs-plugin-0001-pdfexport-to-export-toggle-fun.patch @@ -0,0 +1,14 @@ +diff --git a/src/resources/formats/revealjs/plugins/pdfexport/pdfexport.js b/src/resources/formats/revealjs/plugins/pdfexport/pdfexport.js +index c399fa9de..bf9104c8e 100644 +--- a/src/resources/formats/revealjs/plugins/pdfexport/pdfexport.js ++++ b/src/resources/formats/revealjs/plugins/pdfexport/pdfexport.js +@@ -100,6 +100,9 @@ var PdfExport = ( function( _Reveal ){ + Plugin.init = function( _Reveal ){ + Reveal = _Reveal; + install(); ++ }; ++ Plugin.togglePdfExport = function () { ++ togglePdfExport(); + }; + } + diff --git a/package/src/common/patches/revealjs-theme-0001-beige.patch b/package/src/common/patches/revealjs-theme-0001-beige.patch new file mode 100644 index 0000000000..65912c43c6 --- /dev/null +++ b/package/src/common/patches/revealjs-theme-0001-beige.patch @@ -0,0 +1,73 @@ +diff --git a/src/resources/formats/revealjs/themes/beige.scss b/src/resources/formats/revealjs/themes/beige.scss +index 06957c42d..193eac567 100644 +--- a/src/resources/formats/revealjs/themes/beige.scss ++++ b/src/resources/formats/revealjs/themes/beige.scss +@@ -2,43 +2,40 @@ + * Beige theme for reveal.js. + * + * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se ++ * ++ * Adapted for Quarto by Posit, PBC ++ * Copyright (C) 2024 Posit, PBC + */ + +- +-// Default mixins and settings ----------------- +-@import "../template/mixins"; +-@import "../template/settings"; +-// --------------------------------------------- +- +- ++/*-- scss:defaults --*/ + + // Include theme-specific fonts + @import url(./fonts/league-gothic/league-gothic.css); + @import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic); + ++// fonts ++$font-family-sans-serif: Lato, sans-serif !default; + +-// Override theme settings (see ../template/settings.scss) +-$body-color: #333; +-$presentation-heading-color: #333; +-$presentation-heading-text-shadow: none; +-$body-bg: #f7f3de; +-$link-color: #8b743d; +-$link-color-hover: lighten( $linkColor, 20% ); +-$selection-bg: rgba(79, 64, 28, 0.99); +-$presentation-h1-text-shadow: 0 1px 0 #ccc, 0 2px 0 #c9c9c9, 0 3px 0 #bbb, 0 4px 0 #b9b9b9, 0 5px 0 #aaa, 0 6px 1px rgba(0,0,0,.1), 0 0 5px rgba(0,0,0,.1), 0 1px 3px rgba(0,0,0,.3), 0 3px 5px rgba(0,0,0,.2), 0 5px 10px rgba(0,0,0,.25), 0 20px 20px rgba(0,0,0,.15); +- +-$overlayElementBgColor: 0, 0, 0; +-$overlayElementFgColor: 240, 240, 240; ++// Override theme settings ++$body-color: #333 !default; ++$body-bg: #f7f3de !default; ++$link-color: #8b743d !default; ++$selection-bg: rgba(79, 64, 28, 0.99) !default; + +-// Background generator +-@mixin bodyBackground() { +- @include radial-gradient( rgba(247,242,211,1), rgba(255,255,255,1) ); +-} ++$presentation-heading-font: "League Gothic", sans-serif !default; ++$presentation-heading-text-transform: uppercase !default; ++$presentation-h1-font-size: 3.77em !default; ++$presentation-h1-text-shadow: 0 1px 0 #ccc, 0 2px 0 #c9c9c9, 0 3px 0 #bbb, ++ 0 4px 0 #b9b9b9, 0 5px 0 #aaa, 0 6px 1px rgba(0, 0, 0, 0.1), ++ 0 0 5px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.3), ++ 0 3px 5px rgba(0, 0, 0, 0.2), 0 5px 10px rgba(0, 0, 0, 0.25), ++ 0 20px 20px rgba(0, 0, 0, 0.15) !default; + +-// Change text colors against dark slide backgrounds +-@include dark-bg-text-color(#fff); ++$overlayElementBgColor: 0, 0, 0 !default; ++$overlayElementFgColor: 240, 240, 240 !default; + ++/*-- scss:mixins --*/ + +-// Theme template ------------------------------ +-@import "../template/theme"; +-// --------------------------------------------- ++@mixin bodyBackground() { ++ @include radial-gradient(rgba(247, 242, 211, 1), rgba(255, 255, 255, 1)); ++} diff --git a/package/src/common/patches/revealjs-theme-0001-blood.patch b/package/src/common/patches/revealjs-theme-0001-blood.patch new file mode 100644 index 0000000000..0498abd0b3 --- /dev/null +++ b/package/src/common/patches/revealjs-theme-0001-blood.patch @@ -0,0 +1,125 @@ +diff --git a/src/resources/formats/revealjs/themes/blood.scss b/src/resources/formats/revealjs/themes/blood.scss +index c64acd1b7..fe4addaf4 100644 +--- a/src/resources/formats/revealjs/themes/blood.scss ++++ b/src/resources/formats/revealjs/themes/blood.scss +@@ -6,82 +6,73 @@ + * "monokai_sublime.css" available from + * https://github.com/isagalaev/highlight.js/ + * +- * For other themes, change $code-bg accordingly. ++ * For other themes, change $codeBackground accordingly. + * ++ * Adapted for Quarto by Posit, PBC ++ * Copyright (C) 2024 Posit, PBC + */ + +- // Default mixins and settings ----------------- +-@import "../template/mixins"; +-@import "../template/settings"; +-// --------------------------------------------- ++/*-- scss:defaults --*/ + + // Include theme-specific fonts +- + @import url(https://fonts.googleapis.com/css?family=Ubuntu:300,700,300italic,700italic); + + // Colors used in the theme + $blood: #a23; + $coal: #222; +-$codeBackground: #23241f; ++$code-bg: #23241f !default; + +-$body-bg: $coal; ++$body-bg: $coal !default; + + // Main text +-$font-family-sans-serif: Ubuntu, 'sans-serif'; +-$body-color: #eee; ++$font-family-sans-serif: Ubuntu, "sans-serif" !default; ++$body-color: #eee !default; + + // Headings +-$presentation-heading-font: Ubuntu, 'sans-serif'; +-$presentation-heading-text-shadow: 2px 2px 2px $coal; ++$presentation-heading-font: Ubuntu, "sans-serif" !default; ++$presentation-heading-text-shadow: 2px 2px 2px $body-bg !default; ++$presentation-heading-font-weight: 700 !default; ++$presentation-h1-font-size: 3.77em !default; + +-// h1 shadow, borrowed humbly from ++// h1 shadow, borrowed humbly from + // (c) Default theme by Hakim El Hattab +-$presentation-h1-text-shadow: 0 1px 0 #ccc, 0 2px 0 #c9c9c9, 0 3px 0 #bbb, 0 4px 0 #b9b9b9, 0 5px 0 #aaa, 0 6px 1px rgba(0,0,0,.1), 0 0 5px rgba(0,0,0,.1), 0 1px 3px rgba(0,0,0,.3), 0 3px 5px rgba(0,0,0,.2), 0 5px 10px rgba(0,0,0,.25), 0 20px 20px rgba(0,0,0,.15); ++$presentation-h1-text-shadow: 0 1px 0 #ccc, 0 2px 0 #c9c9c9, 0 3px 0 #bbb, ++ 0 4px 0 #b9b9b9, 0 5px 0 #aaa, 0 6px 1px rgba(0, 0, 0, 0.1), ++ 0 0 5px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.3), ++ 0 3px 5px rgba(0, 0, 0, 0.2), 0 5px 10px rgba(0, 0, 0, 0.25), ++ 0 20px 20px rgba(0, 0, 0, 0.15) !default; ++$presentation-heading-text-transform: uppercase !default; + + // Links +-$link-color: $blood; +-$link-color-hover: lighten( $linkColor, 20% ); ++$link-color: $blood !default; + + // Text selection +-$selection-bg: $blood; +-$selection-color: #fff; +- +-// Change text colors against dark slide backgrounds +-@include light-bg-text-color(#222); +- +- +-// Theme template ------------------------------ +-@import "../template/theme"; +-// --------------------------------------------- ++$selection-bg: $link-color !default; ++$selection-color: #fff !default; + +-// some overrides after theme template import ++/*-- scss:rules --*/ + + .reveal p { +- font-weight: 300; +- text-shadow: 1px 1px $coal; ++ font-weight: 300; ++ text-shadow: 1px 1px $body-bg; + } + + section.has-light-background { +- p, h1, h2, h3, h4 { +- text-shadow: none; +- } +-} +- +-.reveal h1, +-.reveal h2, +-.reveal h3, +-.reveal h4, +-.reveal h5, +-.reveal h6 { +- font-weight: 700; ++ p, ++ h1, ++ h2, ++ h3, ++ h4 { ++ text-shadow: none; ++ } + } + + .reveal p code { +- background-color: $codeBackground; +- display: inline-block; +- border-radius: 7px; ++ background-color: $code-bg; ++ display: inline-block; ++ border-radius: 7px; + } + + .reveal small code { +- vertical-align: baseline; +-} +\ No newline at end of file ++ vertical-align: baseline; ++} diff --git a/package/src/common/patches/revealjs-theme-0001-dracula.patch b/package/src/common/patches/revealjs-theme-0001-dracula.patch new file mode 100644 index 0000000000..9206a82824 --- /dev/null +++ b/package/src/common/patches/revealjs-theme-0001-dracula.patch @@ -0,0 +1,180 @@ +diff --git a/src/resources/formats/revealjs/themes/dracula.scss b/src/resources/formats/revealjs/themes/dracula.scss +index 5330fbc1b..45498dd41 100644 +--- a/src/resources/formats/revealjs/themes/dracula.scss ++++ b/src/resources/formats/revealjs/themes/dracula.scss +@@ -1,106 +1,88 @@ + /** + * Dracula Dark theme for reveal.js. + * Based on https://draculatheme.com ++ * ++ * Adapted for Quarto by Posit, PBC ++ * Copyright (C) 2024 Posit, PBC + */ + +- +-// Default mixins and settings ----------------- +-@import "../template/mixins"; +-@import "../template/settings"; +-// --------------------------------------------- +- +- ++/*-- scss:defaults --*/ + + // Include theme-specific fonts +-$systemFontsSansSerif: -apple-system, +- BlinkMacSystemFont, +- avenir next, +- avenir, +- segoe ui, +- helvetica neue, +- helvetica, +- Cantarell, +- Ubuntu, +- roboto, +- noto, +- arial, +- sans-serif; +-$systemFontsMono: Menlo, +- Consolas, +- Monaco, +- Liberation Mono, +- Lucida Console, +- monospace; +- +-/** +- * Dracula colors by Zeno Rocha +- * https://draculatheme.com/contribute +- */ +-html * { +- color-profile: sRGB; +- rendering-intent: auto; +-} +- +-$background: #282A36; +-$foreground: #F8F8F2; +-$selection: #44475A; +-$comment: #6272A4; +-$red: #FF5555; +-$orange: #FFB86C; +-$yellow: #F1FA8C; +-$green: #50FA7B; +-$purple: #BD93F9; +-$cyan: #8BE9FD; +-$pink: #FF79C6; +- +- +- +-// Override theme settings (see ../template/settings.scss) +-$body-color: $foreground; +-$presentation-heading-color: $purple; +-$presentation-heading-text-shadow: none; +-$presentation-heading-text-transform: none; +-$body-bg: $background; +-$link-color: $pink; +-$link-color-hover: $cyan; +-$selection-bg: $selection; +-$code-color: $green; +-$presentation-list-bullet-color: $cyan; +- +-$font-family-sans-serif: $systemFontsSansSerif; +-$font-family-monospace: "Fira Code", $systemFontsMono; ++$systemFontsSansSerif: -apple-system, BlinkMacSystemFont, avenir next, avenir, ++ segoe ui, helvetica neue, helvetica, Cantarell, Ubuntu, roboto, noto, arial, ++ sans-serif; ++$systemFontsMono: Menlo, Consolas, Monaco, Liberation Mono, Lucida Console, ++ monospace; ++ ++$background: #282a36; ++$foreground: #f8f8f2; ++$selection: #44475a; ++$comment: #6272a4; ++$red: #ff5555; ++$orange: #ffb86c; ++$yellow: #f1fa8c; ++$green: #50fa7b; ++$purple: #bd93f9; ++$cyan: #8be9fd; ++$pink: #ff79c6; ++ ++// Override theme settings ++$body-color: $foreground !default; ++$presentation-heading-color: $purple !default; ++$presentation-heading-text-shadow: none !default; ++$presentation-heading-text-transform: none !default; ++$body-bg: $background !default; ++$link-color: $pink !default; ++$link-color-hover: $cyan !default; ++$selection-bg: $selection !default; ++$code-color: $green !default; ++$presentation-list-bullet-color: $cyan !default; ++ ++$font-family-sans-serif: $systemFontsSansSerif !default; ++$font-family-monospace: "Fira Code", $systemFontsMono !default; + + // Change text colors against light slide backgrounds +-@include light-bg-text-color($background); ++$light-bg-text-color: $body-bg !default; + +-// Theme template ------------------------------ +-@import "../template/theme"; +-// --------------------------------------------- ++/*-- scss:rules --*/ + + // Define additional color effects based on Dracula spec + // https://spec.draculatheme.com/ + :root { +- --r-bold-color: #{$orange}; +- --r-italic-color: #{$yellow}; +- --r-inline-code-color: #{$inlineCodeColor}; +- --r-list-bullet-color: #{$listBulletColor}; ++ --r-bold-color: #{$orange}; ++ --r-italic-color: #{$yellow}; ++ --r-inline-code-color: #{$code-color}; ++ --r-list-bullet-color: #{$presentation-list-bullet-color}; + } + + .reveal { +- strong, b { +- color: var(--r-bold-color); +- } +- em, i, blockquote { +- color: var(--r-italic-color); +- } +- code { +- color: var(--r-inline-code-color); +- } +- // Dracula colored list bullets and numbers +- ul, ol { +- li::marker { +- color: var(--r-list-bullet-color); +- } +- } ++ strong, ++ b { ++ color: var(--r-bold-color); ++ } ++ em, ++ i, ++ blockquote { ++ color: var(--r-italic-color); ++ } ++ code { ++ color: var(--r-inline-code-color); ++ } ++ // Dracula colored list bullets and numbers ++ ul, ++ ol { ++ li::marker { ++ color: var(--r-list-bullet-color); ++ } ++ } + } + ++/** ++ * Dracula colors by Zeno Rocha ++ * https://draculatheme.com/contribute ++ */ ++html * { ++ color-profile: sRGB; ++ rendering-intent: auto; ++} diff --git a/package/src/common/patches/revealjs-theme-0001-league.patch b/package/src/common/patches/revealjs-theme-0001-league.patch new file mode 100644 index 0000000000..b166ba7b7e --- /dev/null +++ b/package/src/common/patches/revealjs-theme-0001-league.patch @@ -0,0 +1,64 @@ +diff --git a/src/resources/formats/revealjs/themes/league.scss b/src/resources/formats/revealjs/themes/league.scss +index 3a1bd7878..476b6c7da 100644 +--- a/src/resources/formats/revealjs/themes/league.scss ++++ b/src/resources/formats/revealjs/themes/league.scss +@@ -4,33 +4,41 @@ + * This was the default theme pre-3.0.0. + * + * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se ++ * ++ * Adapted for Quarto by Posit, PBC ++ * Copyright (C) 2024 Posit, PBC + */ + +- +-// Default mixins and settings ----------------- +-@import "../template/mixins"; +-@import "../template/settings"; +-// --------------------------------------------- +- +- ++/*-- scss:defaults --*/ + + // Include theme-specific fonts + @import url(./fonts/league-gothic/league-gothic.css); + @import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic); + +-// Override theme settings (see ../template/settings.scss) +-$presentation-heading-text-shadow: 0px 0px 6px rgba(0,0,0,0.2); +-$presentation-h1-text-shadow: 0 1px 0 #ccc, 0 2px 0 #c9c9c9, 0 3px 0 #bbb, 0 4px 0 #b9b9b9, 0 5px 0 #aaa, 0 6px 1px rgba(0,0,0,.1), 0 0 5px rgba(0,0,0,.1), 0 1px 3px rgba(0,0,0,.3), 0 3px 5px rgba(0,0,0,.2), 0 5px 10px rgba(0,0,0,.25), 0 20px 20px rgba(0,0,0,.15); ++// fonts ++$font-family-sans-serif: Lato, sans-serif !default; ++$presentation-heading-font: "League Gothic", sans-serif !default; + +-// Background generator +-@mixin bodyBackground() { +- @include radial-gradient( rgba(28,30,32,1), rgba(85,90,95,1) ); +-} ++$body-bg: #2b2b2b !default; // from settings.scss ++$body-color: #eee !default; // from settings.scss ++$link-color: #13daec !default; // from settings.scss ++$selection-bg: #ff5e99 !default; // from settings.scss ++ ++$presentation-heading-text-shadow: 0px 0px 6px rgba(0, 0, 0, 0.2) !default; ++$presentation-h1-text-shadow: 0 1px 0 #ccc, 0 2px 0 #c9c9c9, 0 3px 0 #bbb, ++ 0 4px 0 #b9b9b9, 0 5px 0 #aaa, 0 6px 1px rgba(0, 0, 0, 0.1), ++ 0 0 5px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.3), ++ 0 3px 5px rgba(0, 0, 0, 0.2), 0 5px 10px rgba(0, 0, 0, 0.25), ++ 0 20px 20px rgba(0, 0, 0, 0.15) !default; ++$presentation-h1-font-size: 3.77em !default; ++$presentation-heading-text-transform: uppercase !default; + + // Change text colors against light slide backgrounds +-@include light-bg-text-color(#222); ++$light-bg-text-color: #222 !default; + ++/*-- scss:mixins --*/ + +-// Theme template ------------------------------ +-@import "../template/theme"; +-// --------------------------------------------- ++// Background generator ++@mixin bodyBackground() { ++ @include radial-gradient(rgba(28, 30, 32, 1), rgba(85, 90, 95, 1)); ++} diff --git a/package/src/common/patches/revealjs-theme-0001-moon.patch b/package/src/common/patches/revealjs-theme-0001-moon.patch new file mode 100644 index 0000000000..6d1f94bce2 --- /dev/null +++ b/package/src/common/patches/revealjs-theme-0001-moon.patch @@ -0,0 +1,92 @@ +diff --git a/src/resources/formats/revealjs/themes/moon.scss b/src/resources/formats/revealjs/themes/moon.scss +index 9d0e5c3d2..0e0cc8ccb 100644 +--- a/src/resources/formats/revealjs/themes/moon.scss ++++ b/src/resources/formats/revealjs/themes/moon.scss +@@ -1,54 +1,52 @@ + /** + * Solarized Dark theme for reveal.js. + * Author: Achim Staebler ++ * ++ * Adapted for Quarto by Posit, PBC ++ * Copyright (C) 2024 Posit, PBC + */ + +- +-// Default mixins and settings ----------------- +-@import "../template/mixins"; +-@import "../template/settings"; +-// --------------------------------------------- +- +- ++/*-- scss:defaults --*/ + + // Include theme-specific fonts + @import url(./fonts/league-gothic/league-gothic.css); + @import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic); + ++// fonts ++$font-family-sans-serif: Lato, sans-serif !default; ++ + /** + * Solarized colors by Ethan Schoonover + */ + + // Solarized colors +-$base03: #002b36; +-$base02: #073642; +-$base01: #586e75; +-$base00: #657b83; +-$base0: #839496; +-$base1: #93a1a1; +-$base2: #eee8d5; +-$base3: #fdf6e3; +-$yellow: #b58900; +-$orange: #cb4b16; +-$red: #dc322f; +-$magenta: #d33682; +-$violet: #6c71c4; +-$blue: #268bd2; +-$cyan: #2aa198; +-$green: #859900; ++$base03: #002b36; ++$base02: #073642; ++$base01: #586e75; ++$base00: #657b83; ++$base0: #839496; ++$base1: #93a1a1; ++$base2: #eee8d5; ++$base3: #fdf6e3; ++$yellow: #b58900; ++$orange: #cb4b16; ++$red: #dc322f; ++$magenta: #d33682; ++$violet: #6c71c4; ++$blue: #268bd2; ++$cyan: #2aa198; ++$green: #859900; + + // Override theme settings (see ../template/settings.scss) +-$body-color: $base1; +-$presentation-heading-color: $base2; +-$presentation-heading-text-shadow: none; +-$body-bg: $base03; +-$link-color: $blue; +-$link-color-hover: lighten( $linkColor, 20% ); +-$selection-bg: $magenta; ++$body-color: $base1 !default; ++$presentation-heading-color: $base2 !default; ++$presentation-heading-text-shadow: none !default; ++$body-bg: $base03 !default; ++$link-color: $blue !default; ++$selection-bg: $magenta !default; + +-// Change text colors against light slide backgrounds +-@include light-bg-text-color(#222); ++$presentation-heading-text-transform: uppercase !default; // from settings.scss ++$presentation-heading-font: "League Gothic", sans-serif !default; // from settings.scss + +-// Theme template ------------------------------ +-@import "../template/theme"; +-// --------------------------------------------- ++// Change text colors against light slide backgrounds ++$light-bg-text-color: #222 !default; diff --git a/package/src/common/patches/revealjs-theme-0001-night.patch b/package/src/common/patches/revealjs-theme-0001-night.patch new file mode 100644 index 0000000000..709df973fa --- /dev/null +++ b/package/src/common/patches/revealjs-theme-0001-night.patch @@ -0,0 +1,57 @@ +diff --git a/src/resources/formats/revealjs/themes/night.scss b/src/resources/formats/revealjs/themes/night.scss +index 18085f248..34703523a 100644 +--- a/src/resources/formats/revealjs/themes/night.scss ++++ b/src/resources/formats/revealjs/themes/night.scss +@@ -2,36 +2,28 @@ + * Black theme for reveal.js. + * + * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se ++ * ++ * Adapted for Quarto by Posit, PBC ++ * Copyright (C) 2024 Posit, PBC + */ + +- +-// Default mixins and settings ----------------- +-@import "../template/mixins"; +-@import "../template/settings"; +-// --------------------------------------------- +- ++/*-- scss:defaults --*/ + + // Include theme-specific fonts + @import url(https://fonts.googleapis.com/css?family=Montserrat:700); + @import url(https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic,700italic); + ++// Override theme settings ++$body-bg: #111 !default; ++$body-color: #eee !default; // from settings.scss + +-// Override theme settings (see ../template/settings.scss) +-$body-bg: #111; +- +-$font-family-sans-serif: 'Open Sans', sans-serif; +-$link-color: #e7ad52; +-$link-color-hover: lighten( $linkColor, 20% ); +-$presentation-heading-font: 'Montserrat', Impact, sans-serif; +-$presentation-heading-text-shadow: none; +-$presentation-heading-letter-spacing: -0.03em; +-$presentation-heading-text-transform: none; +-$selection-bg: #e7ad52; ++$font-family-sans-serif: "Open Sans", sans-serif !default; ++$link-color: #e7ad52 !default; ++$presentation-heading-font: "Montserrat", sans-serif !default; ++$presentation-heading-text-shadow: none !default; ++$presentation-heading-letter-spacing: -0.03em !default; ++$presentation-heading-text-transform: none !default; ++$selection-bg: #e7ad52 !default; + + // Change text colors against light slide backgrounds +-@include light-bg-text-color(#222); +- +- +-// Theme template ------------------------------ +-@import "../template/theme"; +-// --------------------------------------------- +\ No newline at end of file ++$light-bg-text-color: #222 !default; diff --git a/package/src/common/patches/revealjs-theme-0001-serif.patch b/package/src/common/patches/revealjs-theme-0001-serif.patch new file mode 100644 index 0000000000..9f4cce0c4d --- /dev/null +++ b/package/src/common/patches/revealjs-theme-0001-serif.patch @@ -0,0 +1,64 @@ +diff --git a/src/resources/formats/revealjs/themes/serif.scss b/src/resources/formats/revealjs/themes/serif.scss +index a8abdc887..3b0ff9e6f 100644 +--- a/src/resources/formats/revealjs/themes/serif.scss ++++ b/src/resources/formats/revealjs/themes/serif.scss +@@ -3,39 +3,33 @@ + * to the default theme. The accent color is brown. + * + * This theme is Copyright (C) 2012-2013 Owen Versteeg, http://owenversteeg.com - it is MIT licensed. ++ * ++ * Adapted for Quarto by Posit, PBC ++ * Copyright (C) 2024 Posit, PBC + */ + ++/*-- scss:defaults --*/ + +-// Default mixins and settings ----------------- +-@import "../template/mixins"; +-@import "../template/settings"; +-// --------------------------------------------- +- ++// Override theme settings ++$font-family-sans-serif: "Palatino Linotype", "Book Antiqua", Palatino, ++ FreeSerif, serif !default; ++$body-color: #000 !default; ++$presentation-heading-font: $font-family-sans-serif !default; ++$presentation-heading-color: #383d3d !default; ++$presentation-heading-text-shadow: none !default; ++$presentation-heading-text-transform: none !default; ++$body-bg: #f0f1eb !default; ++$link-color: #51483d !default; ++$selection-bg: #26351c !default; + ++$overlayElementBgColor: 0, 0, 0 !default; ++$overlayElementFgColor: 240, 240, 240 !default; + +-// Override theme settings (see ../template/settings.scss) +-$font-family-sans-serif: 'Palatino Linotype', 'Book Antiqua', Palatino, FreeSerif, serif; +-$body-color: #000; +-$presentation-heading-font: 'Palatino Linotype', 'Book Antiqua', Palatino, FreeSerif, serif; +-$presentation-heading-color: #383D3D; +-$presentation-heading-text-shadow: none; +-$presentation-heading-text-transform: none; +-$body-bg: #F0F1EB; +-$link-color: #51483D; +-$link-color-hover: lighten( $linkColor, 20% ); +-$selection-bg: #26351C; ++// Change text colors against dark slide backgrounds ++$dark-bg-text-color: #fff !default; + +-$overlayElementBgColor: 0, 0, 0; +-$overlayElementFgColor: 240, 240, 240; ++/*-- scss:rules --*/ + + .reveal a { + line-height: 1.3em; + } +- +-// Change text colors against dark slide backgrounds +-@include dark-bg-text-color(#fff); +- +- +-// Theme template ------------------------------ +-@import "../template/theme"; +-// --------------------------------------------- diff --git a/package/src/common/patches/revealjs-theme-0001-simple.patch b/package/src/common/patches/revealjs-theme-0001-simple.patch new file mode 100644 index 0000000000..7a76407c92 --- /dev/null +++ b/package/src/common/patches/revealjs-theme-0001-simple.patch @@ -0,0 +1,63 @@ +diff --git a/src/resources/formats/revealjs/themes/simple.scss b/src/resources/formats/revealjs/themes/simple.scss +index f0472d7b9..3b1e3cbdc 100644 +--- a/src/resources/formats/revealjs/themes/simple.scss ++++ b/src/resources/formats/revealjs/themes/simple.scss +@@ -4,40 +4,30 @@ + * + * This theme is Copyright (C) 2012 Owen Versteeg, https://github.com/StereotypicalApps. It is MIT licensed. + * reveal.js is Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se ++ * ++ * Adapted for Quarto by Posit, PBC ++ * Copyright (C) 2024 Posit, PBC + */ + +- +-// Default mixins and settings ----------------- +-@import "../template/mixins"; +-@import "../template/settings"; +-// --------------------------------------------- +- +- ++/*-- scss:defaults --*/ + + // Include theme-specific fonts + @import url(https://fonts.googleapis.com/css?family=News+Cycle:400,700); + @import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic); + ++// Override theme settings ++$font-family-sans-serif: "Lato", sans-serif !default; ++$body-color: #000 !default; ++$presentation-heading-font: "News Cycle", sans-serif !default; ++$presentation-heading-color: #000 !default; ++$presentation-heading-text-shadow: none !default; ++$presentation-heading-text-transform: none !default; ++$body-bg: #fff !default; ++$link-color: #00008b !default; ++$selection-bg: rgba(0, 0, 0, 0.99) !default; + +-// Override theme settings (see ../template/settings.scss) +-$font-family-sans-serif: 'Lato', sans-serif; +-$body-color: #000; +-$presentation-heading-font: 'News Cycle', Impact, sans-serif; +-$presentation-heading-color: #000; +-$presentation-heading-text-shadow: none; +-$presentation-heading-text-transform: none; +-$body-bg: #fff; +-$link-color: #00008B; +-$link-color-hover: lighten( $linkColor, 20% ); +-$selection-bg: rgba(0, 0, 0, 0.99); +- +-$overlayElementBgColor: 0, 0, 0; +-$overlayElementFgColor: 240, 240, 240; ++$overlayElementBgColor: 0, 0, 0 !default; ++$overlayElementFgColor: 240, 240, 240 !default; + + // Change text colors against dark slide backgrounds +-@include dark-bg-text-color(#fff); +- +- +-// Theme template ------------------------------ +-@import "../template/theme"; +-// --------------------------------------------- +\ No newline at end of file ++$dark-bg-text-color: #fff !default; diff --git a/package/src/common/patches/revealjs-theme-0001-sky.patch b/package/src/common/patches/revealjs-theme-0001-sky.patch new file mode 100644 index 0000000000..8cd3267b9d --- /dev/null +++ b/package/src/common/patches/revealjs-theme-0001-sky.patch @@ -0,0 +1,83 @@ +diff --git a/src/resources/formats/revealjs/themes/sky.scss b/src/resources/formats/revealjs/themes/sky.scss +index 62a52b782..2debff7bc 100644 +--- a/src/resources/formats/revealjs/themes/sky.scss ++++ b/src/resources/formats/revealjs/themes/sky.scss +@@ -2,51 +2,47 @@ + * Sky theme for reveal.js. + * + * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se ++ * ++ * Adapted for Quarto by Posit, PBC ++ * Copyright (C) 2024 Posit, PBC + */ + +- +-// Default mixins and settings ----------------- +-@import "../template/mixins"; +-@import "../template/settings"; +-// --------------------------------------------- +- +- ++/*-- scss:defaults --*/ + + // Include theme-specific fonts + @import url(https://fonts.googleapis.com/css?family=Quicksand:400,700,400italic,700italic); + @import url(https://fonts.googleapis.com/css?family=Open+Sans:400italic,700italic,400,700); + ++// Override theme settings ++$font-family-sans-serif: "Open Sans", sans-serif !default; ++$body-color: #333 !default; ++$presentation-heading-font: "Quicksand", sans-serif !default; ++$presentation-heading-color: #333 !default; ++$presentation-heading-letter-spacing: -0.08em !default; ++$presentation-heading-text-shadow: none !default; ++$body-bg: #f7fbfc !default; ++$link-color: #3b759e !default; ++$selection-bg: #134674 !default; + +-// Override theme settings (see ../template/settings.scss) +-$font-family-sans-serif: 'Open Sans', sans-serif; +-$body-color: #333; +-$presentation-heading-font: 'Quicksand', sans-serif; +-$presentation-heading-color: #333; +-$presentation-heading-letter-spacing: -0.08em; +-$presentation-heading-text-shadow: none; +-$body-bg: #f7fbfc; +-$link-color: #3b759e; +-$link-color-hover: lighten( $linkColor, 20% ); +-$selection-bg: #134674; ++$presentation-heading-text-transform: uppercase !default; // from settings.scss ++$presentation-heading-font-weight: normal !default; // from settings.scss ++ ++$overlayElementBgColor: 0, 0, 0 !default; ++$overlayElementFgColor: 240, 240, 240 !default; ++ ++// Change text colors against dark slide backgrounds ++$dark-bg-text-color: #fff !default; + +-$overlayElementBgColor: 0, 0, 0; +-$overlayElementFgColor: 240, 240, 240; ++/*-- scss:rules --*/ + + // Fix links so they are not cut off + .reveal a { +- line-height: 1.3em; ++ line-height: 1.3em; + } + ++/*-- scss:mixins --*/ ++ + // Background generator + @mixin bodyBackground() { +- @include radial-gradient( #add9e4, #f7fbfc ); ++ @include radial-gradient(#add9e4, #f7fbfc); + } +- +-// Change text colors against dark slide backgrounds +-@include dark-bg-text-color(#fff); +- +- +- +-// Theme template ------------------------------ +-@import "../template/theme"; +-// --------------------------------------------- diff --git a/package/src/common/patches/revealjs-theme-0001-solarized.patch b/package/src/common/patches/revealjs-theme-0001-solarized.patch new file mode 100644 index 0000000000..4beaf9beb8 --- /dev/null +++ b/package/src/common/patches/revealjs-theme-0001-solarized.patch @@ -0,0 +1,112 @@ +diff --git a/src/resources/formats/revealjs/themes/solarized.scss b/src/resources/formats/revealjs/themes/solarized.scss +index 684de277d..0bfaf51ad 100644 +--- a/src/resources/formats/revealjs/themes/solarized.scss ++++ b/src/resources/formats/revealjs/themes/solarized.scss +@@ -1,66 +1,57 @@ + /** + * Solarized Light theme for reveal.js. + * Author: Achim Staebler ++ * ++ * Adapted for Quarto by Posit, PBC ++ * Copyright (C) 2024 Posit, PBC + */ + +- +-// Default mixins and settings ----------------- +-@import "../template/mixins"; +-@import "../template/settings"; +-// --------------------------------------------- +- +- ++/*-- scss:defaults --*/ + + // Include theme-specific fonts + @import url(./fonts/league-gothic/league-gothic.css); + @import url(https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic); + ++$font-family-sans-serif: Lato, sans-serif !default; + + /** + * Solarized colors by Ethan Schoonover + */ +-html * { +- color-profile: sRGB; +- rendering-intent: auto; +-} +- + // Solarized colors +-$base03: #002b36; +-$base02: #073642; +-$base01: #586e75; +-$base00: #657b83; +-$base0: #839496; +-$base1: #93a1a1; +-$base2: #eee8d5; +-$base3: #fdf6e3; +-$yellow: #b58900; +-$orange: #cb4b16; +-$red: #dc322f; +-$magenta: #d33682; +-$violet: #6c71c4; +-$blue: #268bd2; +-$cyan: #2aa198; +-$green: #859900; +- +-// Override theme settings (see ../template/settings.scss) +-$body-color: $base00; +-$presentation-heading-color: $base01; +-$presentation-heading-text-shadow: none; +-$body-bg: $base3; +-$link-color: $blue; +-$link-color-hover: lighten( $linkColor, 20% ); +-$selection-bg: $magenta; ++$base03: #002b36; ++$base02: #073642; ++$base01: #586e75; ++$base00: #657b83; ++$base0: #839496; ++$base1: #93a1a1; ++$base2: #eee8d5; ++$base3: #fdf6e3; ++$yellow: #b58900; ++$orange: #cb4b16; ++$red: #dc322f; ++$magenta: #d33682; ++$violet: #6c71c4; ++$blue: #268bd2; ++$cyan: #2aa198; ++$green: #859900; ++ ++// Override theme settings ++$body-color: $base00 !default; ++$presentation-heading-font: "League Gothic", sans-serif !default; // from settings.scss ++$presentation-heading-color: $base01 !default; ++$presentation-heading-text-transform: uppercase !default; // from settings.scss ++$presentation-heading-text-shadow: none !default; ++$presentation-heading-font-weight: normal !default; ++$body-bg: $base3 !default; ++$link-color: $blue !default; ++$selection-bg: $magenta !default; ++ ++$overlayElementBgColor: 0, 0, 0 !default; ++$overlayElementFgColor: 240, 240, 240 !default; ++ ++/*-- scss:rules --*/ + +-$overlayElementBgColor: 0, 0, 0; +-$overlayElementFgColor: 240, 240, 240; +- +-// Background generator +-// @mixin bodyBackground() { +-// @include radial-gradient( rgba($base3,1), rgba(lighten($base3, 20%),1) ); +-// } +- +- +- +-// Theme template ------------------------------ +-@import "../template/theme"; +-// --------------------------------------------- ++html * { ++ color-profile: sRGB; ++ rendering-intent: auto; ++} diff --git a/package/src/common/patches/revealjs-theme-0002-input-panel-bg.patch b/package/src/common/patches/revealjs-theme-0002-input-panel-bg.patch new file mode 100644 index 0000000000..6389507d7e --- /dev/null +++ b/package/src/common/patches/revealjs-theme-0002-input-panel-bg.patch @@ -0,0 +1,50 @@ +diff --git a/src/resources/formats/revealjs/themes/blood.scss b/src/resources/formats/revealjs/themes/blood.scss +index fe4addaf4..28f7b9455 100644 +--- a/src/resources/formats/revealjs/themes/blood.scss ++++ b/src/resources/formats/revealjs/themes/blood.scss +@@ -50,6 +50,9 @@ $link-color: $blood !default; + $selection-bg: $link-color !default; + $selection-color: #fff !default; + ++// input panel ++$input-panel-bg: rgba(233, 236, 239, 0.2) !default; ++ + /*-- scss:rules --*/ + + .reveal p { +diff --git a/src/resources/formats/revealjs/themes/league.scss b/src/resources/formats/revealjs/themes/league.scss +index 476b6c7da..3005e6c1e 100644 +--- a/src/resources/formats/revealjs/themes/league.scss ++++ b/src/resources/formats/revealjs/themes/league.scss +@@ -36,6 +36,9 @@ $presentation-heading-text-transform: uppercase !default; + // Change text colors against light slide backgrounds + $light-bg-text-color: #222 !default; + ++// input panel ++$input-panel-bg: rgba(233, 236, 239, 0.2) !default; ++ + /*-- scss:mixins --*/ + + // Background generator +diff --git a/src/resources/formats/revealjs/themes/moon.scss b/src/resources/formats/revealjs/themes/moon.scss +index 0e0cc8ccb..21ca22fab 100644 +--- a/src/resources/formats/revealjs/themes/moon.scss ++++ b/src/resources/formats/revealjs/themes/moon.scss +@@ -50,3 +50,6 @@ $presentation-heading-font: "League Gothic", sans-serif !default; // from settin + + // Change text colors against light slide backgrounds + $light-bg-text-color: #222 !default; ++ ++// input panel ++$input-panel-bg: rgba(233, 236, 239, 0.2) !default; +diff --git a/src/resources/formats/revealjs/themes/night.scss b/src/resources/formats/revealjs/themes/night.scss +index 34703523a..9d84bbf86 100644 +--- a/src/resources/formats/revealjs/themes/night.scss ++++ b/src/resources/formats/revealjs/themes/night.scss +@@ -27,3 +27,6 @@ $selection-bg: #e7ad52 !default; + + // Change text colors against light slide backgrounds + $light-bg-text-color: #222 !default; ++ ++// input panel ++$input-panel-bg: rgba(233, 236, 239, 0.2) !default; diff --git a/package/src/common/patches/revealjs-theme-0003-code-block-fixup.patch b/package/src/common/patches/revealjs-theme-0003-code-block-fixup.patch new file mode 100644 index 0000000000..048ca9abf9 --- /dev/null +++ b/package/src/common/patches/revealjs-theme-0003-code-block-fixup.patch @@ -0,0 +1,68 @@ +diff --git a/src/resources/formats/revealjs/themes/beige.scss b/src/resources/formats/revealjs/themes/beige.scss +index 193eac567..6786c08c0 100644 +--- a/src/resources/formats/revealjs/themes/beige.scss ++++ b/src/resources/formats/revealjs/themes/beige.scss +@@ -34,6 +34,9 @@ $presentation-h1-text-shadow: 0 1px 0 #ccc, 0 2px 0 #c9c9c9, 0 3px 0 #bbb, + $overlayElementBgColor: 0, 0, 0 !default; + $overlayElementFgColor: 240, 240, 240 !default; + ++// code blocks ++$code-block-bg: transparent !default; ++ + /*-- scss:mixins --*/ + + @mixin bodyBackground() { +diff --git a/src/resources/formats/revealjs/themes/league.scss b/src/resources/formats/revealjs/themes/league.scss +index 3005e6c1e..f7e7d5a15 100644 +--- a/src/resources/formats/revealjs/themes/league.scss ++++ b/src/resources/formats/revealjs/themes/league.scss +@@ -39,6 +39,9 @@ $light-bg-text-color: #222 !default; + // input panel + $input-panel-bg: rgba(233, 236, 239, 0.2) !default; + ++// code blocks ++$code-block-bg: transparent !default; ++ + /*-- scss:mixins --*/ + + // Background generator +diff --git a/src/resources/formats/revealjs/themes/night.scss b/src/resources/formats/revealjs/themes/night.scss +index 9d84bbf86..46a2b7eed 100644 +--- a/src/resources/formats/revealjs/themes/night.scss ++++ b/src/resources/formats/revealjs/themes/night.scss +@@ -30,3 +30,6 @@ $light-bg-text-color: #222 !default; + + // input panel + $input-panel-bg: rgba(233, 236, 239, 0.2) !default; ++ ++// code blocks ++$code-block-bg: transparent !default; +diff --git a/src/resources/formats/revealjs/themes/sky.scss b/src/resources/formats/revealjs/themes/sky.scss +index 2debff7bc..4821a919d 100644 +--- a/src/resources/formats/revealjs/themes/sky.scss ++++ b/src/resources/formats/revealjs/themes/sky.scss +@@ -33,6 +33,10 @@ $overlayElementFgColor: 240, 240, 240 !default; + // Change text colors against dark slide backgrounds + $dark-bg-text-color: #fff !default; + ++// code blocks ++$code-block-border-color: lighten($link-color, 30%) !default; ++$code-block-bg: transparent !default; ++ + /*-- scss:rules --*/ + + // Fix links so they are not cut off +diff --git a/src/resources/formats/revealjs/themes/solarized.scss b/src/resources/formats/revealjs/themes/solarized.scss +index 0bfaf51ad..d2e4d223e 100644 +--- a/src/resources/formats/revealjs/themes/solarized.scss ++++ b/src/resources/formats/revealjs/themes/solarized.scss +@@ -49,6 +49,9 @@ $selection-bg: $magenta !default; + $overlayElementBgColor: 0, 0, 0 !default; + $overlayElementFgColor: 240, 240, 240 !default; + ++// code blocks ++$code-block-border-color: #93a1a1 !default; ++ + /*-- scss:rules --*/ + + html * { diff --git a/package/src/common/update-html-dependencies.ts b/package/src/common/update-html-dependencies.ts index e120ff8cc6..4d7e4c7492 100644 --- a/package/src/common/update-html-dependencies.ts +++ b/package/src/common/update-html-dependencies.ts @@ -6,7 +6,7 @@ import { ensureDir, ensureDirSync, existsSync, walkSync } from "fs/mod.ts"; import { copySync } from "fs/copy.ts"; import { info } from "../../../src/deno_ral/log.ts"; -import { dirname, extname, join } from "../../../src/deno_ral/path.ts"; +import { dirname, basename, extname, join } from "../../../src/deno_ral/path.ts"; import { lines } from "../../../src/core/text.ts"; import * as ld from "../../../src/core/lodash.ts"; @@ -16,7 +16,7 @@ import { applyGitPatches, Repo, withRepo } from "../util/git.ts"; import { download } from "../util/utils.ts"; import { Configuration } from "./config.ts"; import { visitLines } from "../../../src/core/file.ts"; -import { copyMinimal } from "../../../src/core/copy.ts"; +import { copyTo } from "../../../src/core/copy.ts"; import { kSourceMappingRegexes } from "../../../src/config/constants.ts"; import { unzip } from "../../../src/core/zip.ts"; @@ -228,8 +228,7 @@ export async function updateHtmlDependencies(config: Configuration) { const glightBoxVersion = Deno.env.get("GLIGHTBOX_JS");; info("Updating glightbox"); - const basename = `glightbox-master`; - const fileName = `${basename}.zip`; + const fileName = `glightbox-master.zip`; const distUrl = `https://github.com/biati-digital/glightbox/releases/download/${glightBoxVersion}/${fileName}`; const zipFile = join(workingDir, fileName); @@ -309,10 +308,32 @@ export async function updateHtmlDependencies(config: Configuration) { ensureDirSync(revealJs); info("Copying css/"); - copySync(join(dir, `reveal.js-${version}`, "css"), join(revealJs, "css")); + const cssDir = join(revealJs, "css"); + copyTo(join(dir, `reveal.js-${version}`, "css"), cssDir, { overwrite: true, preserveTimestamps: true }); + info("Port native scss themes to quarto theme"); + const sourceThemes = join(cssDir, "theme", "source"); + const portedThemes = join(dirname(revealJs), "themes"); + for (const fileEntry of Deno.readDirSync(sourceThemes)) { + if (fileEntry.isFile && extname(fileEntry.name) === ".scss") { + // Ignore specific files that are aliased to custom quarto theme + if (["white.scss", "black.scss", "white-contrast.scss", "black-contrast.scss"].includes(fileEntry.name)) { + info(`-> ignore ${fileEntry.name} - do not port to quarto.`); + continue; + } + info(`-> porting ${fileEntry.name} to quarto theme.`); + copyTo(join(sourceThemes, fileEntry.name), join(portedThemes, fileEntry.name), { overwrite: true, preserveTimestamps: true }); + portRevealTheme(join(portedThemes, fileEntry.name)); + } + } + // copy settings.scss and patch to help check correct addition of theme + const templateDir = join(cssDir, "theme", "template"); + const templateDirNew = join(portedThemes, "template"); + ensureDirSync(templateDirNew); + copyTo(join(templateDir, "settings.scss"), join(templateDirNew, "settings.scss"), { overwrite: true, preserveTimestamps: true }); + portRevealTheme(join(templateDirNew, "settings.scss")); info("Copying dist/"); const dist = join(revealJs, "dist"); - copySync(join(dir, `reveal.js-${version}`, "dist"), dist); + copyTo(join(dir, `reveal.js-${version}`, "dist"), dist, { overwrite: true, preserveTimestamps: true }); // remove unneeded CSS files const theme = join(dist, "theme"); for (const fileEntry of Deno.readDirSync(theme)) { @@ -322,14 +343,24 @@ export async function updateHtmlDependencies(config: Configuration) { } } info("Copying plugin/"); - copySync( + copyTo( join(dir, `reveal.js-${version}`, "plugin"), - join(revealJs, "plugin") + join(revealJs, "plugin"), + { overwrite: true, preserveTimestamps: true } ); return Promise.resolve(); }, true, - false + false, + resolvePatches([ + // patche for each themes + ...["beige", "blood", "dracula", "league", "moon", "night", "serif", "simple", "sky", "solarized"].map( + (theme) => `revealjs-theme-0001-${theme}.patch` + ), + // global patches + "revealjs-theme-0002-input-panel-bg.patch", + "revealjs-theme-0003-code-block-fixup.patch" + ]) ); // revealjs-chalkboard @@ -348,13 +379,15 @@ export async function updateHtmlDependencies(config: Configuration) { workingDir, (dir: string, version: string) => { ensureDirSync(dirname(revealJsChalkboard)); - copyMinimal( + copyTo( join(dir, `reveal.js-plugins-${version}`, "chalkboard"), - revealJsChalkboard + revealJsChalkboard, + { overwrite: true, preserveTimestamps: true } ); return Promise.resolve(); }, - true // not a commit + true, // true if commit, false otherwise + false, // no v prefix, ); // revealjs-menu @@ -389,9 +422,10 @@ export async function updateHtmlDependencies(config: Configuration) { ); // copy font-awesome to chalkboard - copyMinimal( + copyTo( join(dir, `reveal.js-menu-${version}`, "font-awesome"), - join(revealJsChalkboard, "font-awesome") + join(revealJsChalkboard, "font-awesome"), + { overwrite: true, preserveTimestamps: true } ); return Promise.resolve(); }, @@ -416,16 +450,17 @@ export async function updateHtmlDependencies(config: Configuration) { workingDir, (dir: string, version: string) => { ensureDirSync(revealJsPdfExport); - Deno.copyFileSync( + copyTo( join(dir, `reveal-pdfexport-${version}`, "pdfexport.js"), - join(revealJsPdfExport, "pdfexport.js") + join(revealJsPdfExport, "pdfexport.js"), + { overwrite: true, preserveTimestamps: true } ); return Promise.resolve(); }, false, // not a commit false, // no v prefix, resolvePatches([ - "0001-Patch-PdfExport-RevealJS-plugin-to-export-toggle-fun.patch", + "revealjs-plugin-0001-pdfexport-to-export-toggle-fun.patch", ]) ); @@ -557,8 +592,7 @@ async function updatePdfJs(config: Configuration, working: string) { const version = Deno.env.get("PDF_JS"); info("Updating pdf.js..."); - const basename = `pdfjs-${version}-legacy-dist`; - const fileName = `${basename}.zip`; + const fileName = `pdfjs-${version}-legacy-dist.zip`; const distUrl = `https://github.com/mozilla/pdf.js/releases/download/v${version}/${fileName}`; const zipFile = join(working, fileName); @@ -931,7 +965,7 @@ async function updateBootstrapFromBslib( join(themeDir, "_bootswatch.scss") ); - const patchedScss = patchTheme(theme, layer); + const patchedScss = patchTheme(theme, layer, bootswatchThemePatches); const themeOut = join(themesDir, `${theme}.scss`); Deno.writeTextFileSync(themeOut, patchedScss); @@ -1182,7 +1216,7 @@ function mergedSassLayer( return merged.join("\n"); } -function patchTheme(themeName: string, themeContents: string) { +function patchTheme(themeName: string, themeContents: string, themePatches: Record ) { const patches = themePatches[themeName]; if (patches) { let patchedTheme = themeContents; @@ -1206,7 +1240,7 @@ interface ThemePatch { to: string; } -const themePatches: Record = { +const bootswatchThemePatches: Record = { litera: [ { from: ".navbar {\n font-size: $font-size-sm;", @@ -1236,3 +1270,93 @@ const themePatches: Record = { }, ], }; + +function portRevealTheme(themeFile: string) { + const themeFileContent = Deno.readTextFileSync(themeFile); + const themeName = basename(themeFile, extname(themeFile)); + const patchedScss = patchTheme(themeName, themeFileContent, revealjsThemePatches) + Deno.writeTextFileSync(themeFile, patchedScss); +} + +// This maps the reveal.js theme variables to the Quarto theme variables +// Revealjs variables can be seen in _settings.scss and this mapping needs to be used +// to port the revealjs theme to a quarto theme so that users' layers can correctly override +// framework defaults. Quarto layer insure the mapping of those SASS variable. +// - Framework revealjs main theme file uses the revealjs variables +// - each revealjs ported theme should use the quarto variables +// - _quarto.scss maps the quarto variables to the revealjs variables, +// using generic $presentation-* variants for the $revealjs-* specific +const sassVarsMap = { + // Background of the presentation + backgroundColor: "body-bg", + // Primary/body text + mainFont: "font-family-sans-serif", + mainFontSize: "presentation-font-size-root", + mainColor: "body-color", + // Vertical spacing between blocks of text + blockMargin: "presentation-block-margin", + // Headings + // headingMargin is set directly in quarto.scss + headingFont: "presentation-heading-font", + headingColor: "presentation-heading-color", + headingLineHeight: "presentation-heading-line-height", + headingLetterSpacing: "presentation-heading-letter-spacing", + headingTextTransform: "presentation-heading-text-transform", + headingTextShadow: "presentation-heading-text-shadow", + heading1TextShadow: "presentation-h1-text-shadow", + headingFontWeight: "presentation-heading-font-weight", + + heading1Size: "presentation-h1-font-size", + heading2Size: "presentation-h2-font-size", + heading3Size: "presentation-h3-font-size", + heading4Size: "presentation-h4-font-size", + + codeFont: "font-family-monospace", + codeBackground: "code-bg", + inlineCodeColor: "code-color", // from dracula.scss + + // Links and actions + linkColor: "link-color", + linkColorHover: "link-color-hover", + + // Text selection + selectionBackgroundColor: "selection-bg", + selectionColor: "selection-color", + + // Lists + listBulletColor: "presentation-list-bullet-color", // from dracula.scss +}; + +let revealjsThemePatches: Record = {}; // Initialize the variable + +const createRevealjsThemePatches = (keys: string[]): ThemePatch[] => { + const filteredVarsMap: Record = keys.reduce((acc, key) => { + if (sassVarsMap[key]) { + acc[key] = sassVarsMap[key]; + } else { + throw Error(`Variable ${key} not found in the sassVarsMap`); + } + return acc; + }, {}); + + return Object.entries(filteredVarsMap).map(([key, value]) => ({ + from: key, + to: value, + })); +} + +revealjsThemePatches["beige"] = createRevealjsThemePatches(["mainColor", "headingColor", "headingTextShadow", "backgroundColor", "linkColor","linkColorHover", "selectionBackgroundColor", "heading1TextShadow"]) +revealjsThemePatches["black-contrast"] = createRevealjsThemePatches(["backgroundColor", "mainColor", "headingColor", "mainFontSize", "mainFont", "headingFont", "headingTextShadow", "headingLetterSpacing", "headingTextTransform", "headingFontWeight", "linkColor", "linkColorHover", "selectionBackgroundColor", "heading1Size", "heading2Size", "heading3Size", "heading4Size"]) +revealjsThemePatches["black"] = createRevealjsThemePatches(["backgroundColor", "mainColor", "headingColor", "mainFontSize", "mainFont", "headingFont", "headingTextShadow", "headingLetterSpacing", "headingTextTransform", "headingFontWeight", "linkColor", "linkColorHover", "selectionBackgroundColor", "heading1Size", "heading2Size", "heading3Size", "heading4Size"]) +revealjsThemePatches["blood"] = createRevealjsThemePatches(["codeBackground", "backgroundColor", "mainFont", "mainColor", "headingFont", "headingTextShadow", "heading1TextShadow", "linkColor", "linkColorHover", "selectionBackgroundColor", "selectionColor"]) +revealjsThemePatches["dracula"] = createRevealjsThemePatches(["mainColor", "headingColor", "headingTextShadow", "headingTextTransform", "backgroundColor", "linkColor","linkColorHover", "selectionBackgroundColor", "inlineCodeColor", "listBulletColor", "mainFont", "codeFont"]) +revealjsThemePatches["league"] = createRevealjsThemePatches(["headingTextShadow", "heading1TextShadow"]) +revealjsThemePatches["moon"] = createRevealjsThemePatches(["mainColor", "headingColor", "headingTextShadow", "backgroundColor", "linkColor", "linkColorHover", "selectionBackgroundColor"]) +revealjsThemePatches["night"] = createRevealjsThemePatches(["backgroundColor", "mainFont", "linkColor", "linkColorHover", "headingFont", "headingTextShadow", "headingLetterSpacing", "headingTextTransform", "selectionBackgroundColor"]) +revealjsThemePatches["serif"] = createRevealjsThemePatches(["mainFont", "mainColor", "headingFont", "headingColor", "headingTextShadow", "headingTextTransform", "backgroundColor", "linkColor", "linkColorHover", "selectionBackgroundColor"]) +revealjsThemePatches["simple"] = createRevealjsThemePatches(["mainFont", "mainColor", "headingFont", "headingColor", "headingTextShadow", "headingTextTransform", "backgroundColor", "linkColor", "linkColorHover", "selectionBackgroundColor"]) +revealjsThemePatches["sky"] = createRevealjsThemePatches(["mainFont", "mainColor", "headingFont", "headingColor", "headingLetterSpacing", "headingTextShadow", "backgroundColor", "linkColor", "linkColorHover", "selectionBackgroundColor"]) +revealjsThemePatches["solarized"] = createRevealjsThemePatches(["mainColor", "headingColor", "headingTextShadow", "backgroundColor", "linkColor", "linkColorHover", "selectionBackgroundColor"]) +revealjsThemePatches["white-contrast"] = createRevealjsThemePatches(["backgroundColor", "mainColor", "headingColor", "mainFontSize", "mainFont", "headingFont", "headingTextShadow", "headingLetterSpacing", "headingTextTransform", "headingFontWeight", "linkColor", "linkColorHover", "selectionBackgroundColor", "heading1Size", "heading2Size", "heading3Size", "heading4Size"]) +revealjsThemePatches["white"] = createRevealjsThemePatches(["backgroundColor", "mainColor", "headingColor", "mainFontSize", "mainFont", "headingFont", "headingTextShadow", "headingLetterSpacing", "headingTextTransform", "headingFontWeight", "linkColor", "linkColorHover", "selectionBackgroundColor", "heading1Size", "heading2Size", "heading3Size", "heading4Size"]) +revealjsThemePatches["settings"] = createRevealjsThemePatches(["backgroundColor", "mainFont", "mainFontSize", "mainColor", "blockMargin", "headingFont", "headingColor", "headingLineHeight", "headingLetterSpacing", "headingTextTransform", "headingTextShadow", "headingFontWeight", "heading1TextShadow", "heading1Size", "heading2Size", "heading3Size", "heading4Size", "codeFont", "linkColor", "linkColorHover", "selectionBackgroundColor", "selectionColor"]) diff --git a/package/src/util/git.ts b/package/src/util/git.ts index 5141b3b474..4be9922bcb 100644 --- a/package/src/util/git.ts +++ b/package/src/util/git.ts @@ -99,20 +99,25 @@ async function clone(workingDir: string, url: string) { export async function applyGitPatches(patches: string[]) { if (!patches) return undefined info(`Applying Git patches...`); - Promise.all( + await Promise.all( patches.map( async (patch) => { info(` - patch ${colors.blue(patch)}`) const gitCmd: string[] = []; gitCmd.push("git"); gitCmd.push("apply"); gitCmd.push(patch); + // this helps with newline handling in patch + gitCmd.push("--ignore-space-change"); + // this helps debug when patch goes wrong + // https://git-scm.com/docs/git-apply#Documentation/git-apply.txt---reject + gitCmd.push("--reject"); const p = Deno.run({ cmd: gitCmd, stderr: "piped", }); const status = await p.status(); if (status.code !== 0) { - throw Error("Failed to apply patch"); + throw Error(`Failed to apply patch: '${patch}'`); } }) ) diff --git a/src/core/copy.ts b/src/core/copy.ts index 08363e5f40..e3c1f7b31f 100644 --- a/src/core/copy.ts +++ b/src/core/copy.ts @@ -18,7 +18,7 @@ import { isSubdir } from "fs/_is_subdir.ts"; import { isWindows } from "./platform.ts"; -// emulate the Deno copySync funnction but read and write files manually +// emulate the Deno copySync function but read and write files manually // rather than calling Deno.copyFileSync (to avoid deno's attempt to // modify the file permissions, see: // https://github.com/denoland/deno/blob/1c05e41f37da022971f0090b2a92e6340d230055/runtime/ops/fs.rs#L914-L916 diff --git a/src/format/reveal/format-reveal-theme.ts b/src/format/reveal/format-reveal-theme.ts index af1fed0dde..34de077e59 100644 --- a/src/format/reveal/format-reveal-theme.ts +++ b/src/format/reveal/format-reveal-theme.ts @@ -57,6 +57,7 @@ export const kRevealDarkThemes = [ "night", "blood", "moon", + "dracula", ]; export const kRevealThemes = [...kRevealLightThemes, ...kRevealDarkThemes]; @@ -208,6 +209,10 @@ export async function revealTheme( }; } +// Revealjs framework layer is supposed to be more files but: +// - Only mixins.scss and theme.scss are needed here +// - settings.scss is manually included in the quarto.scss file +// - exposer.scss is loaded in theme.scss and found through the loadPaths function revealFrameworkLayer(revealDir: string): SassLayer { const readTemplate = (template: string) => { return Deno.readTextFileSync( diff --git a/src/resources/formats/revealjs/plugins/chalkboard/README.md b/src/resources/formats/revealjs/plugins/chalkboard/README.md index 7391a00bde..8adefe5b5c 100644 --- a/src/resources/formats/revealjs/plugins/chalkboard/README.md +++ b/src/resources/formats/revealjs/plugins/chalkboard/README.md @@ -9,38 +9,51 @@ The main use case in mind when implementing the plugin is classroom usage in whi The plugin records all drawings made so that they can be play backed using the `autoSlide` feature or the `audio-slideshow` plugin. -[Check out the live demo](https://rajgoel.github.io/reveal.js-demos/chalkboard-demo.html) -The chalkboard effect is based on [Chalkboard](https://github.com/mmoustafa/Chalkboard) by Mohamed Moustafa. - -## Installation +[Check out the demo](https://rajgoel.github.io/reveal.js-demos/?topic=chalkboard) -Copy the file `plugin.js` and the `img` directory into the plugin folder of your reveal.js presentation, i.e. `plugin/chalkboard` and load the plugin as shown below. +## Setup +To use the plugin include ```html - - - - + + + + + + + + + ``` +to the header of your presentation and configure reveal.js and the plugin by -The following stylesheet -```html - - +```js +Reveal.initialize({ + customcontrols: { + controls: [ + { icon: '', + title: 'Toggle chalkboard (B)', + action: 'RevealChalkboard.toggleChalkboard();' + }, + { icon: '', + title: 'Toggle notes canvas (C)', + action: 'RevealChalkboard.toggleNotesCanvas();' + } + ] + }, + chalkboard: { + // add configuration here + }, + // ... + plugins: [ RevealChalkboard, RevealCustomControls ], + // ... +}); ``` -has to be included to the `head` section of you HTML-file. - In order to include buttons for opening and closing the notes canvas or the chalkboard you should make sure that `font-awesome` is available. The easiest way is to include ``` - + ``` to the ```head``` section of you HTML-file. @@ -53,7 +66,6 @@ to the ```head``` section of you HTML-file. - Click the left mouse button and drag to write on notes canvas or chalkboard - Click the right mouse button and drag to wipe away previous drawings - Touch and move to write on notes canvas or chalkboard -- Touch and hold for half a second, then move to wipe away previous drawings ### Keyboard - Press the 'BACKSPACE' key to delete all chalkboard drawings @@ -135,26 +147,17 @@ Reveal.initialize({ { color: 'rgba(255,220,0,0.5)', cursor: 'url(' + path + 'img/chalk-yellow.png), auto'} ] }, - customcontrols: { - controls: [ - { icon: '', - title: 'Toggle chalkboard (B)', - action: 'RevealChalkboard.toggleChalkboard();' - }, - { icon: '', - title: 'Toggle notes canvas (C)', - action: 'RevealChalkboard.toggleNotesCanvas();' - } - ] - }, // ... }); ``` +## Credits + +The chalkboard effect is based on [Chalkboard](https://github.com/mmoustafa/Chalkboard) by Mohamed Moustafa. ## License MIT licensed -Copyright (C) 2021 Asvin Goel +Copyright (C) 2023 Asvin Goel diff --git a/src/resources/formats/revealjs/plugins/chalkboard/plugin.js b/src/resources/formats/revealjs/plugins/chalkboard/plugin.js index 23edd1e52c..6dfb4b5a5f 100644 --- a/src/resources/formats/revealjs/plugins/chalkboard/plugin.js +++ b/src/resources/formats/revealjs/plugins/chalkboard/plugin.js @@ -3,7 +3,7 @@ ** ** A plugin for reveal.js adding a chalkboard. ** - ** Version: 2.1.0 + ** Version: 2.3.3 ** ** License: MIT license (see LICENSE.md) ** @@ -13,10 +13,12 @@ ** Compatibility with reveal.js v4 by Hakim El Hattab https://github.com/hakimel ******************************************************************/ +"use strict"; + window.RevealChalkboard = window.RevealChalkboard || { id: 'RevealChalkboard', init: function ( deck ) { - initChalkboard( deck ); + initChalkboard.call(this, deck ); }, configure: function ( config ) { configure( config ); @@ -90,7 +92,7 @@ const initChalkboard = function ( Reveal ) { /***************************************************************** ** Configuration ******************************************************************/ - var background, pen, draw, color; + var background, pens, draw, color; var grid = false; var boardmarkerWidth = 3; var chalkWidth = 7; @@ -158,6 +160,12 @@ const initChalkboard = function ( Reveal ) { cursor: 'url(' + path + 'img/chalk-yellow.png), auto' } ]; + + var sponge = { + cursor: 'url(' + path + 'img/sponge.png), auto' + } + + var keyBindings = { toggleNotesCanvas: { keyCode: 67, @@ -284,11 +292,12 @@ const initChalkboard = function ( Reveal ) { function whenReady( callback ) { // wait for markdown to be parsed and code to be highlighted if ( !document.querySelector( 'section[data-markdown]:not([data-markdown-parsed])' ) + && !document.querySelector( '[data-load]:not([data-loaded])') && !document.querySelector( 'code[data-line-numbers*="|"]') ) { callback(); } else { - console.log( "Wait for markdown to be parsed and code to be highlighted" ); + console.log( "Wait for external sources to be loaded and code to be highlighted" ); setTimeout( whenReady, 500, callback ) } } @@ -303,44 +312,6 @@ const initChalkboard = function ( Reveal ) { } } - if ( toggleChalkboardButton ) { -console.warn( "toggleChalkboardButton is deprecated, use customcontrols plugin instead!" ); -//console.log("toggleChalkboardButton") - var button = document.createElement( 'div' ); - button.className = "chalkboard-button"; - button.id = "toggle-chalkboard"; - button.style.visibility = "visible"; - button.style.position = "absolute"; - button.style.zIndex = 30; - button.style.fontSize = "24px"; - - button.style.left = toggleChalkboardButton.left || "30px"; - button.style.bottom = toggleChalkboardButton.bottom || "30px"; - button.style.top = toggleChalkboardButton.top || "auto"; - button.style.right = toggleChalkboardButton.right || "auto"; - - button.innerHTML = '' - document.querySelector( ".reveal" ).appendChild( button ); - } - if ( toggleNotesButton ) { -console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instead!" ); -//console.log("toggleNotesButton") - var button = document.createElement( 'div' ); - button.className = "chalkboard-button"; - button.id = "toggle-notes"; - button.style.position = "absolute"; - button.style.zIndex = 30; - button.style.fontSize = "24px"; - - button.style.left = toggleNotesButton.left || "70px"; - button.style.bottom = toggleNotesButton.bottom || "30px"; - button.style.top = toggleNotesButton.top || "auto"; - button.style.right = toggleNotesButton.right || "auto"; - - button.innerHTML = '' - document.querySelector( ".reveal" ).appendChild( button ); - } - var drawingCanvas = [ { id: 'notescanvas' }, { @@ -370,11 +341,18 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea [], [] ]; - var touchTimeout = null; var slidechangeTimeout = null; var updateStorageTimeout = null; var playback = false; + function changeCursor( element, tool ) { + element.style.cursor = tool.cursor; + var palette = document.querySelector('.palette[data-mode="' + mode + '"]'); + if ( palette ) { + palette.style.cursor = tool.cursor; + } + } + function createPalette( colors, length ) { if ( length === true || length > colors.length ) { length = colors.length; @@ -404,6 +382,26 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea } ); list.appendChild( colorButton ); } + // eraser + var eraserButton = document.createElement( 'li' ); + eraserButton.setAttribute( 'data-eraser', 'true' ); + var spongeImg = document.createElement( 'img' ); + spongeImg.src = eraser.src; + spongeImg.height = "24"; + spongeImg.width = "24"; + spongeImg.style.marginTop = '10px'; + spongeImg.style.marginRight = '0'; + spongeImg.style.marginBottom = '0'; + spongeImg.style.marginLeft = '0'; + eraserButton.appendChild(spongeImg); + eraserButton.addEventListener( 'click', function ( e ) { + colorIndex( -1 ); + } ); + eraserButton.addEventListener( 'touchstart', function ( e ) { + colorIndex( -1 ); + } ); + list.appendChild( eraserButton ); + palette.appendChild( list ); return palette; }; @@ -430,7 +428,8 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea container.oncontextmenu = function () { return false; } - container.style.cursor = pens[ id ][ color[ id ] ].cursor; + + changeCursor( container, pens[ id ][ color[ id ] ] ); drawingCanvas[ id ].width = window.innerWidth; drawingCanvas[ id ].height = window.innerHeight; @@ -444,6 +443,7 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea container.style.opacity = 1; container.style.visibility = 'visible'; container.style.pointerEvents = 'none'; + container.style['backdrop-filter'] = 'none'; var slides = document.querySelector( '.slides' ); var aspectRatio = Reveal.getConfig().width / Reveal.getConfig().height; @@ -455,6 +455,7 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea if ( colorButtons ) { var palette = createPalette( boardmarkers, colorButtons ); + palette.dataset.mode = id; palette.style.visibility = 'hidden'; // only show palette in drawing mode container.appendChild( palette ); } @@ -466,6 +467,7 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea if ( colorButtons ) { var palette = createPalette( chalks, colorButtons ); + palette.dataset.mode = id; container.appendChild( palette ); } if ( boardHandle ) { @@ -493,20 +495,11 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea } } - - var sponge = document.createElement( 'img' ); - sponge.src = eraser.src; - sponge.id = 'sponge'; - sponge.style.visibility = 'hidden'; - sponge.style.position = 'absolute'; - container.appendChild( sponge ); - drawingCanvas[ id ].sponge = sponge; - var canvas = document.createElement( 'canvas' ); canvas.width = drawingCanvas[ id ].width; canvas.height = drawingCanvas[ id ].height; canvas.setAttribute( 'data-chalkboard', id ); - canvas.style.cursor = pens[ id ][ color[ id ] ].cursor; + changeCursor( canvas, pens[ id ][ color[ id ] ] ); container.appendChild( canvas ); drawingCanvas[ id ].canvas = canvas; @@ -673,13 +666,13 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea } catch ( error ) { // https://stackoverflow.com/a/6234804 // escape data for proper handling of quotes and line breaks - // in case malicious gets a chance to craft the exception message - error = String(error).replace(/&/g, "&") + // in case malicious user gets a chance to craft the exception message + error = String(error) + .replace(/&/g, "&") .replace(//g, ">") .replace(/"/g, """) .replace(/'/g, "'"); - a.innerHTML += ' (' + error + ')'; } a.click(); @@ -750,7 +743,6 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea count = Number(fragments[j].getAttribute('data-fragment-index')) + 1; } } -//console.log(count,fragments.length,( slides[i].querySelector('h1,h2,h3,h4')||{}).innerHTML, page); page += count + 1; } } @@ -770,8 +762,6 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea console.log( 'Create printout for slide ' + storage[ 1 ].data[ i ].slide.h + '.' + storage[ 1 ].data[ i ].slide.v ); var slideData = getSlideData( storage[ 1 ].data[ i ].slide, 1 ); var drawings = createDrawings( slideData, patImg ); -//console.log("Page:", storage[ 1 ].data[ i ].page ); -//console.log("Slide:", slides[storage[ 1 ].data[ i ].page] ); addDrawings( slides[storage[ 1 ].data[ i ].page], drawings ); } @@ -923,7 +913,7 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea context.lineCap = 'round'; context.fillStyle = chalks[ colorIdx ].color; // 'rgba(255,255,255,0.5)'; context.strokeStyle = chalks[ colorIdx ].color; - /*var opacity = Math.min(0.8, Math.max(0,color[1].replace(/^.*,(.+)\)/,'$1') - 0.1)) + Math.random()*0.2;*/ + var opacity = 1.0; context.strokeStyle = context.strokeStyle.replace( /[\d\.]+\)$/g, opacity + ')' ); context.beginPath(); @@ -948,12 +938,12 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea function eraseWithSponge( context, x, y ) { context.save(); context.beginPath(); - context.arc( x, y, eraser.radius, 0, 2 * Math.PI, false ); + context.arc( x + eraser.radius, y + eraser.radius, eraser.radius, 0, 2 * Math.PI, false ); context.clip(); - context.clearRect( x - eraser.radius - 1, y - eraser.radius - 1, eraser.radius * 2 + 2, eraser.radius * 2 + 2 ); + context.clearRect( x - 1, y - 1, eraser.radius * 2 + 2, eraser.radius * 2 + 2 ); context.restore(); if ( mode == 1 && grid ) { - redrawGrid( x, y, eraser.radius ); + redrawGrid( x + eraser.radius, y + eraser.radius, eraser.radius ); } } @@ -963,10 +953,6 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea */ function showChalkboard() { //console.log("showChalkboard"); - clearTimeout( touchTimeout ); - touchTimeout = null; - drawingCanvas[ 0 ].sponge.style.visibility = 'hidden'; // make sure that the sponge from touch events is hidden - drawingCanvas[ 1 ].sponge.style.visibility = 'hidden'; // make sure that the sponge from touch events is hidden drawingCanvas[ 1 ].container.style.opacity = 1; drawingCanvas[ 1 ].container.style.visibility = 'visible'; mode = 1; @@ -977,10 +963,6 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea * Closes open chalkboard. */ function closeChalkboard() { - clearTimeout( touchTimeout ); - touchTimeout = null; - drawingCanvas[ 0 ].sponge.style.visibility = 'hidden'; // make sure that the sponge from touch events is hidden - drawingCanvas[ 1 ].sponge.style.visibility = 'hidden'; // make sure that the sponge from touch events is hidden drawingCanvas[ 1 ].container.style.opacity = 0; drawingCanvas[ 1 ].container.style.visibility = 'hidden'; lastX = null; @@ -1079,12 +1061,20 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea /** * Set the color */ - function setColor( index, record ) { - // protect against out of bounds (this could happen when - // replaying events recorded with different color settings). - if ( index >= pens[ mode ].length ) index = 0; - color[ mode ] = index; - drawingCanvas[ mode ].canvas.style.cursor = pens[ mode ][ color[ mode ] ].cursor; + function setColor( index, record ) { + // protect against out of bounds (this could happen when + // replaying events recorded with different color settings). + if ( index >= pens[ mode ].length ) index = 0; + + color[ mode ] = index; + + if ( color[ mode ] < 0 ) { + // use eraser + changeCursor( drawingCanvas[ mode ].canvas, sponge ); + } + else { + changeCursor( drawingCanvas[ mode ].canvas, pens[ mode ][ color[ mode ] ] ); + } } /** @@ -1370,7 +1360,6 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea function startErasing( x, y ) { drawing = false; erasing = true; - drawingCanvas[ mode ].sponge.style.visibility = 'visible'; erasePoint( x, y ); } @@ -1380,10 +1369,6 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea var xOffset = drawingCanvas[ mode ].xOffset; var yOffset = drawingCanvas[ mode ].yOffset; - // move sponge image - drawingCanvas[ mode ].sponge.style.left = ( x * scale + xOffset - eraser.radius ) + 'px'; - drawingCanvas[ mode ].sponge.style.top = ( y * scale + yOffset - 2 * eraser.radius ) + 'px'; - recordEvent( { type: 'erase', x, @@ -1402,8 +1387,6 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea function stopErasing() { erasing = false; - // hide sponge - drawingCanvas[ mode ].sponge.style.visibility = 'hidden'; } function startDrawing( x, y ) { @@ -1468,8 +1451,12 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea var touch = evt.touches[ 0 ]; mouseX = touch.pageX; mouseY = touch.pageY; - startDrawing( ( mouseX - xOffset ) / scale, ( mouseY - yOffset ) / scale ); - touchTimeout = setTimeout( startErasing, 500, ( mouseX - xOffset ) / scale, ( mouseY - yOffset ) / scale ); + if ( color[ mode ] < 0 ) { + startErasing( ( mouseX - xOffset ) / scale, ( mouseY - yOffset ) / scale); + } + else { + startDrawing( ( mouseX - xOffset ) / scale, ( mouseY - yOffset ) / scale ); + } } }, passiveSupported ? { passive: false @@ -1478,8 +1465,6 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea canvas.addEventListener( 'touchmove', function ( evt ) { evt.preventDefault(); //console.log("Touch move"); - clearTimeout( touchTimeout ); - touchTimeout = null; if ( drawing || erasing ) { var scale = drawingCanvas[ mode ].scale; var xOffset = drawingCanvas[ mode ].xOffset; @@ -1488,13 +1473,6 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea var touch = evt.touches[ 0 ]; mouseX = touch.pageX; mouseY = touch.pageY; - if ( mouseY < drawingCanvas[ mode ].height && mouseX < drawingCanvas[ mode ].width ) { - // move sponge - if ( event.type == 'erase' ) { - drawingCanvas[ mode ].sponge.style.left = ( mouseX - eraser.radius ) + 'px'; - drawingCanvas[ mode ].sponge.style.top = ( mouseY - eraser.radius ) + 'px'; - } - } if ( drawing ) { drawSegment( ( lastX - xOffset ) / scale, ( lastY - yOffset ) / scale, ( mouseX - xOffset ) / scale, ( mouseY - yOffset ) / scale, color[ mode ] ); @@ -1538,11 +1516,8 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea canvas.addEventListener( 'touchend', function ( evt ) { evt.preventDefault(); - clearTimeout( touchTimeout ); - touchTimeout = null; - // hide sponge image - drawingCanvas[ mode ].sponge.style.visibility = 'hidden'; stopDrawing(); + stopErasing(); }, false ); canvas.addEventListener( 'mousedown', function ( evt ) { @@ -1556,7 +1531,11 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea mouseX = evt.pageX; mouseY = evt.pageY; - if ( evt.button == 2 || evt.button == 1 ) { + if ( color[ mode ] < 0 || evt.button == 2 || evt.button == 1 ) { + if ( color[ mode ] >= 0 ) { + // show sponge + changeCursor( drawingCanvas[ mode ].canvas, sponge ); + } startErasing( ( mouseX - xOffset ) / scale, ( mouseY - yOffset ) / scale ); // broadcast var message = new CustomEvent( messageType ); @@ -1579,6 +1558,14 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea canvas.addEventListener( 'mousemove', function ( evt ) { evt.preventDefault(); //console.log("Mouse move"); + + var scale = drawingCanvas[ mode ].scale; + var xOffset = drawingCanvas[ mode ].xOffset; + var yOffset = drawingCanvas[ mode ].yOffset; + + mouseX = evt.pageX; + mouseY = evt.pageY; + if ( drawing || erasing ) { var scale = drawingCanvas[ mode ].scale; var xOffset = drawingCanvas[ mode ].xOffset; @@ -1629,7 +1616,9 @@ console.warn( "toggleNotesButton is deprecated, use customcontrols plugin instea canvas.addEventListener( 'mouseup', function ( evt ) { evt.preventDefault(); - drawingCanvas[ mode ].canvas.style.cursor = pens[ mode ][ color[ mode ] ].cursor; + if ( color[ mode ] >= 0 ) { + changeCursor( drawingCanvas[ mode ].canvas, pens[ mode ][ color[ mode ] ] ); + } if ( drawing || erasing ) { stopDrawing(); stopErasing(); diff --git a/src/resources/formats/revealjs/plugins/chalkboard/style.css b/src/resources/formats/revealjs/plugins/chalkboard/style.css index 08765e7398..44a0ae60e5 100644 --- a/src/resources/formats/revealjs/plugins/chalkboard/style.css +++ b/src/resources/formats/revealjs/plugins/chalkboard/style.css @@ -38,7 +38,7 @@ div.boardhandle > ul > li { } @media print { - div.palette, div.boardhandle, .chalkboard-button { + div.palette, div.boardhandle { display: none!important; } } diff --git a/src/resources/formats/revealjs/plugins/pdfexport/pdfexport.js b/src/resources/formats/revealjs/plugins/pdfexport/pdfexport.js index bf9104c8ec..93c92eae69 100644 --- a/src/resources/formats/revealjs/plugins/pdfexport/pdfexport.js +++ b/src/resources/formats/revealjs/plugins/pdfexport/pdfexport.js @@ -103,7 +103,7 @@ var PdfExport = ( function( _Reveal ){ }; Plugin.togglePdfExport = function () { togglePdfExport(); - }; + }; } return Plugin; diff --git a/src/resources/formats/revealjs/quarto.scss b/src/resources/formats/revealjs/quarto.scss index b8d6a156f3..2012969e68 100644 --- a/src/resources/formats/revealjs/quarto.scss +++ b/src/resources/formats/revealjs/quarto.scss @@ -55,11 +55,15 @@ $presentation-title-slide-text-align: center !default; $reveal-slide-text-align: $presentation-slide-text-align !default; $reveal-title-slide-text-align: $presentation-title-slide-text-align !default; +// Lists +$presentation-list-bullet-color: $body-color !default; + // code blocks $code-block-bg: $body-bg !default; $code-block-border-color: lighten($body-color, 60%) !default; $code-block-font-size: 0.55em !default; $code-block-height: 500px !default; +$code-block-theme-dark-threshhold: 40% !default; // inline code $code-color: var(--quarto-hl-fu-color) !default; @@ -103,9 +107,11 @@ $revealjs-h1-text-shadow: $presentation-h1-text-shadow !default; $revealjs-heading-font-weight: $presentation-heading-font-weight !default; $revealjs-block-margin: $presentation-block-margin !default; $revealjs-line-height: $presentation-line-height !default; +$revealjs-list-bullet-color: $presentation-list-bullet-color !default; // ---- map to reveal scss variables --- - +// ---- This is based from the revealjs setting.scss +// -- START setting.scss -- // Background of the presentation $backgroundColor: $body-bg !default; @@ -135,8 +141,6 @@ $heading4Size: $revealjs-h4-font-size !default; $codeFont: $font-family-monospace !default; -$code-block-theme-dark-threshhold: 40% !default; - // Links and actions $linkColor: $link-color !default; $linkColorHover: $link-color-hover !default; @@ -145,6 +149,13 @@ $linkColorHover: $link-color-hover !default; $selectionBackgroundColor: $selection-bg !default; $selectionColor: $selection-color !default; +// Colors used for UI elements that are overlaid on top of +// the presentation +$overlayElementBgColor: 240, 240, 240 !default; +$overlayElementFgColor: 0, 0, 0 !default; + +// -- END setting.scss -- + /*-- scss:functions --*/ @function colorToRGB($color) { @@ -154,12 +165,16 @@ $selectionColor: $selection-color !default; /*-- scss:mixins --*/ +// -- START setting.scss -- + // Generates the presentation background, can be overridden // to return a background image or gradient @mixin bodyBackground() { background: $backgroundColor; } +// -- END setting.scss -- + /*-- scss:rules --*/ .reveal.center .slide aside, diff --git a/src/resources/formats/revealjs/reveal/css/layout.scss b/src/resources/formats/revealjs/reveal/css/layout.scss index f499fddab5..5d0536f945 100644 --- a/src/resources/formats/revealjs/reveal/css/layout.scss +++ b/src/resources/formats/revealjs/reveal/css/layout.scss @@ -25,6 +25,7 @@ // Stack multiple elements on top of each other .reveal .r-stack { display: grid; + grid-template-rows: 100%; } .reveal .r-stack > * { diff --git a/src/resources/formats/revealjs/reveal/css/print/paper.scss b/src/resources/formats/revealjs/reveal/css/print/paper.scss index 2ffa3b0662..32fab8a464 100644 --- a/src/resources/formats/revealjs/reveal/css/print/paper.scss +++ b/src/resources/formats/revealjs/reveal/css/print/paper.scss @@ -1,42 +1,30 @@ -/* Default Print Stylesheet Template - by Rob Glazebrook of CSSnewbie.com - Last Updated: June 4, 2008 - - Feel free (nay, compelled) to edit, append, and - manipulate this file as you see fit. */ @media print { html:not(.print-pdf) { - - background: #fff; + overflow: visible; width: auto; height: auto; - overflow: visible; body { - background: #fff; - font-size: 20pt; - width: auto; - height: auto; - border: 0; - margin: 0 5%; + margin: 0; padding: 0; overflow: visible; - float: none !important; } + } + + html:not(.print-pdf) .reveal { + background: #fff; + font-size: 20pt; - .nestedarrow, .controls, - .fork-reveal, - .share-reveal, .state-background, - .reveal .progress, - .reveal .backgrounds, - .reveal .slide-number { + .progress, + .backgrounds, + .slide-number { display: none !important; } - body, p, td, li { + p, td, li { font-size: 20pt!important; color: #000; } @@ -49,7 +37,6 @@ letter-spacing: normal; } - /* Need to reduce the size of the fonts for printing */ h1 { font-size: 28pt !important; } h2 { font-size: 24pt !important; } h3 { font-size: 22pt !important; } @@ -74,18 +61,19 @@ margin: 0; text-align: left !important; } - .reveal pre, - .reveal table { + pre, + table { margin-left: 0; margin-right: 0; } - .reveal pre code { + pre code { padding: 20px; } - .reveal blockquote { + blockquote { margin: 20px 0; } - .reveal .slides { + + .slides { position: static !important; width: auto !important; height: auto !important; @@ -106,7 +94,7 @@ perspective-origin: 50% 50%; } - .reveal .slides section { + .slides section { visibility: visible !important; position: static !important; width: auto !important; @@ -129,19 +117,24 @@ transform: none !important; transition: none !important; } - .reveal .slides section.stack { + .slides section.stack { padding: 0 !important; } - .reveal section:last-of-type { + .slides section:last-of-type { page-break-after: avoid !important; } - .reveal section .fragment { + .slides section .fragment { opacity: 1 !important; visibility: visible !important; transform: none !important; } - .reveal section img { + + .r-fit-text { + white-space: normal !important; + } + + section img { display: block; margin: 15px 0px; background: rgba(255,255,255,1); @@ -149,11 +142,11 @@ box-shadow: none; } - .reveal section small { + section small { font-size: 0.8em; } - .reveal .hljs { + .hljs { max-height: 100%; white-space: pre-wrap; word-wrap: break-word; @@ -161,11 +154,11 @@ font-size: 15pt; } - .reveal .hljs .hljs-ln-numbers { + .hljs .hljs-ln-numbers { white-space: nowrap; } - .reveal .hljs td { + .hljs td { font-size: inherit !important; color: inherit !important; } diff --git a/src/resources/formats/revealjs/reveal/css/print/pdf.scss b/src/resources/formats/revealjs/reveal/css/print/pdf.scss index f9678456b8..0a1c2bf646 100644 --- a/src/resources/formats/revealjs/reveal/css/print/pdf.scss +++ b/src/resources/formats/revealjs/reveal/css/print/pdf.scss @@ -5,7 +5,7 @@ * https://revealjs.com/pdf-export/ */ -html.print-pdf { +html.reveal-print { * { -webkit-print-color-adjust: exact; } @@ -36,7 +36,6 @@ html.print-pdf { .reveal pre code { overflow: hidden !important; - font-family: Courier, 'Courier New', monospace !important; } .reveal { @@ -71,6 +70,10 @@ html.print-pdf { page-break-after: always; } + .reveal .slides .pdf-page:last-of-type { + page-break-after: avoid; + } + .reveal .slides section { visibility: visible !important; display: block !important; @@ -100,7 +103,6 @@ html.print-pdf { box-shadow: none; } - /* Slide backgrounds are placed inside of their slide when exporting to PDF */ .reveal .backgrounds { display: none; @@ -147,6 +149,7 @@ html.print-pdf { display: block; position: absolute; font-size: 14px; + visibility: visible; } /* This accessibility tool is not useful in PDF and breaks it visually */ diff --git a/src/resources/formats/revealjs/reveal/css/reveal.scss b/src/resources/formats/revealjs/reveal/css/reveal.scss index 8325c04ded..0bd0da35fd 100644 --- a/src/resources/formats/revealjs/reveal/css/reveal.scss +++ b/src/resources/formats/revealjs/reveal/css/reveal.scss @@ -19,6 +19,7 @@ html.reveal-full-page { height: 100%; height: 100vh; height: calc( var(--vh, 1vh) * 100 ); + height: 100svh; overflow: hidden; } @@ -31,6 +32,8 @@ html.reveal-full-page { background-color: #fff; color: #000; + + --r-controls-spacing: 12px; } // Force the presentation to cover the full viewport when we @@ -48,11 +51,14 @@ html.reveal-full-page { * VIEW FRAGMENTS *********************************************/ -.reveal .slides section .fragment { - opacity: 0; - visibility: hidden; +.reveal .fragment { transition: all .2s ease; - will-change: opacity; + + &:not(.custom) { + opacity: 0; + visibility: hidden; + will-change: opacity; + } &.visible { opacity: 1; @@ -64,7 +70,7 @@ html.reveal-full-page { } } -.reveal .slides section .fragment.grow { +.reveal .fragment.grow { opacity: 1; visibility: inherit; @@ -73,7 +79,7 @@ html.reveal-full-page { } } -.reveal .slides section .fragment.shrink { +.reveal .fragment.shrink { opacity: 1; visibility: inherit; @@ -82,7 +88,7 @@ html.reveal-full-page { } } -.reveal .slides section .fragment.zoom-in { +.reveal .fragment.zoom-in { transform: scale( 0.1 ); &.visible { @@ -90,7 +96,7 @@ html.reveal-full-page { } } -.reveal .slides section .fragment.fade-out { +.reveal .fragment.fade-out { opacity: 1; visibility: inherit; @@ -100,7 +106,7 @@ html.reveal-full-page { } } -.reveal .slides section .fragment.semi-fade-out { +.reveal .fragment.semi-fade-out { opacity: 1; visibility: inherit; @@ -110,7 +116,7 @@ html.reveal-full-page { } } -.reveal .slides section .fragment.strike { +.reveal .fragment.strike { opacity: 1; visibility: inherit; @@ -119,7 +125,7 @@ html.reveal-full-page { } } -.reveal .slides section .fragment.fade-up { +.reveal .fragment.fade-up { transform: translate(0, 40px); &.visible { @@ -127,7 +133,7 @@ html.reveal-full-page { } } -.reveal .slides section .fragment.fade-down { +.reveal .fragment.fade-down { transform: translate(0, -40px); &.visible { @@ -135,7 +141,7 @@ html.reveal-full-page { } } -.reveal .slides section .fragment.fade-right { +.reveal .fragment.fade-right { transform: translate(-40px, 0); &.visible { @@ -143,7 +149,7 @@ html.reveal-full-page { } } -.reveal .slides section .fragment.fade-left { +.reveal .fragment.fade-left { transform: translate(40px, 0); &.visible { @@ -151,8 +157,8 @@ html.reveal-full-page { } } -.reveal .slides section .fragment.fade-in-then-out, -.reveal .slides section .fragment.current-visible { +.reveal .fragment.fade-in-then-out, +.reveal .fragment.current-visible { opacity: 0; visibility: hidden; @@ -162,7 +168,7 @@ html.reveal-full-page { } } -.reveal .slides section .fragment.fade-in-then-semi-out { +.reveal .fragment.fade-in-then-semi-out { opacity: 0; visibility: hidden; @@ -177,32 +183,32 @@ html.reveal-full-page { } } -.reveal .slides section .fragment.highlight-red, -.reveal .slides section .fragment.highlight-current-red, -.reveal .slides section .fragment.highlight-green, -.reveal .slides section .fragment.highlight-current-green, -.reveal .slides section .fragment.highlight-blue, -.reveal .slides section .fragment.highlight-current-blue { +.reveal .fragment.highlight-red, +.reveal .fragment.highlight-current-red, +.reveal .fragment.highlight-green, +.reveal .fragment.highlight-current-green, +.reveal .fragment.highlight-blue, +.reveal .fragment.highlight-current-blue { opacity: 1; visibility: inherit; } - .reveal .slides section .fragment.highlight-red.visible { + .reveal .fragment.highlight-red.visible { color: #ff2c2d } - .reveal .slides section .fragment.highlight-green.visible { + .reveal .fragment.highlight-green.visible { color: #17ff2e; } - .reveal .slides section .fragment.highlight-blue.visible { + .reveal .fragment.highlight-blue.visible { color: #1b91ff; } -.reveal .slides section .fragment.highlight-current-red.current-fragment { +.reveal .fragment.highlight-current-red.current-fragment { color: #ff2c2d } -.reveal .slides section .fragment.highlight-current-green.current-fragment { +.reveal .fragment.highlight-current-green.current-fragment { color: #17ff2e; } -.reveal .slides section .fragment.highlight-current-blue.current-fragment { +.reveal .fragment.highlight-current-blue.current-fragment { color: #1b91ff; } @@ -268,13 +274,11 @@ $controlsArrowAngleActive: 36deg; } .reveal .controls { - $spacing: 12px; - display: none; position: absolute; top: auto; - bottom: $spacing; - right: $spacing; + bottom: var(--r-controls-spacing); + right: var(--r-controls-spacing); left: auto; z-index: 11; color: #000; @@ -506,7 +510,9 @@ $controlsArrowAngleActive: 36deg; // Edge aligned controls layout @media screen and (min-width: 500px) { - $spacing: 0.8em; + .reveal-viewport { + --r-controls-spacing: 0.8em; + } .reveal .controls[data-controls-layout="edges"] { & { @@ -526,24 +532,24 @@ $controlsArrowAngleActive: 36deg; .navigate-left { top: 50%; - left: $spacing; + left: var(--r-controls-spacing); margin-top: -$controlArrowSize*0.5; } .navigate-right { top: 50%; - right: $spacing; + right: var(--r-controls-spacing); margin-top: -$controlArrowSize*0.5; } .navigate-up { - top: $spacing; + top: var(--r-controls-spacing); left: 50%; margin-left: -$controlArrowSize*0.5; } .navigate-down { - bottom: $spacing - $controlArrowSpacing + 0.3em; + bottom: calc(var(--r-controls-spacing) - #{$controlArrowSpacing} + 0.3em); left: 50%; margin-left: -$controlArrowSize*0.5; } @@ -625,11 +631,16 @@ $controlsArrowAngleActive: 36deg; touch-action: pinch-zoom; } -// Swiping on an embedded deck should not block page scrolling +// Swiping on an embedded deck should not block page scrolling... .reveal.embedded { touch-action: pan-y; } +// ... unless we're on a vertical slide +.reveal.embedded.is-vertical-slide { + touch-action: none; +} + .reveal .slides { position: absolute; width: 100%; @@ -723,6 +734,8 @@ $controlsArrowAngleActive: 36deg; .reveal .slides>section.past, .reveal .slides>section.future, +.reveal .slides>section.past>section, +.reveal .slides>section.future>section, .reveal .slides>section>section.past, .reveal .slides>section>section.future { opacity: 0; @@ -1437,7 +1450,8 @@ $overlayHeaderPadding: 5px; width: 100%; height: 100%; z-index: 1000; - background: rgba( 0, 0, 0, 0.9 ); + background: rgba( 0, 0, 0, 0.95 ); + backdrop-filter: blur( 6px ); transition: all 0.3s ease; } @@ -1581,7 +1595,6 @@ $overlayHeaderPadding: 5px; padding-bottom: 20px; } - /********************************************* * PLAYBACK COMPONENT *********************************************/ @@ -1631,6 +1644,10 @@ $overlayHeaderPadding: 5px; opacity: 0.4; } +.reveal .hljs.has-highlights.fragment { + transition: all .2s ease; +} + .reveal .hljs:not(:first-child).fragment { position: absolute; top: 0; @@ -1794,6 +1811,43 @@ $notesWidthPercent: 25%; } +/********************************************* + * JUMP-TO-SLIDE COMPONENT + *********************************************/ + + .reveal .jump-to-slide { + position: absolute; + top: 15px; + left: 15px; + z-index: 30; + font-size: 32px; + -webkit-tap-highlight-color: rgba( 0, 0, 0, 0 ); +} + +.reveal .jump-to-slide-input { + background: transparent; + padding: 8px; + font-size: inherit; + color: currentColor; + border: 0; +} +.reveal .jump-to-slide-input::placeholder { + color: currentColor; + opacity: 0.5; +} + +.reveal.has-dark-background .jump-to-slide-input { + color: #fff; +} +.reveal.has-light-background .jump-to-slide-input { + color: #222; +} + +.reveal .jump-to-slide-input:focus { + outline: none; +} + + /********************************************* * ZOOM PLUGIN *********************************************/ @@ -1818,6 +1872,239 @@ $notesWidthPercent: 25%; } +/********************************************* + * SCROLL VIEW + *********************************************/ +.reveal-viewport.loading-scroll-mode { + visibility: hidden; +} + +.reveal-viewport.reveal-scroll { + & { + margin: 0 auto; + overflow: auto; + overflow-x: hidden; + overflow-y: auto; + z-index: 1; + + --r-scrollbar-width: 7px; + --r-scrollbar-trigger-size: 5px; + --r-controls-spacing: 8px; + } + + @media screen and (max-width: 500px) { + --r-scrollbar-width: 3px; + --r-scrollbar-trigger-size: 3px; + } + + .controls, + .progress, + .playback, + .backgrounds, + .slide-number, + .speaker-notes { + display: none !important; + } + + .overlay, + .pause-overlay { + position: fixed; + } + + .reveal { + overflow: visible; + touch-action: manipulation; + } + + .slides { + position: static; + pointer-events: initial; + + left: auto; + top: auto; + width: 100% !important; + margin: 0; + padding: 0; + + overflow: visible; + display: block; + + perspective: none; + perspective-origin: 50% 50%; + } + + .scroll-page { + position: relative; + width: 100%; + height: calc(var(--page-height) + var(--page-scroll-padding)); + z-index: 1; + overflow: visible; + } + + .scroll-page-sticky { + position: sticky; + height: var(--page-height); + top: 0px; + } + + .scroll-page-content { + position: absolute; + top: 0; + left: 0; + width: 100%; + height: 100%; + overflow: hidden; + } + + .scroll-page section { + visibility: visible !important; + display: block !important; + position: absolute !important; + width: var(--slide-width) !important; + height: var(--slide-height) !important; + top: 50% !important; + left: 50% !important; + opacity: 1 !important; + transform: scale(var(--slide-scale)) translate(-50%, -50%) !important; + transform-style: flat !important; + transform-origin: 0 0 !important; + } + + .slide-background { + display: block !important; + position: absolute; + top: 0; + left: 0; + width: 100%; + height: 100%; + z-index: auto !important; + visibility: visible; + opacity: 1; + touch-action: manipulation; + } +} + +// Chromium +.reveal-viewport.reveal-scroll[data-scrollbar="true"]::-webkit-scrollbar, +.reveal-viewport.reveal-scroll[data-scrollbar="auto"]::-webkit-scrollbar { + display: none; +} + +// Firefox +.reveal-viewport.reveal-scroll[data-scrollbar="true"], +.reveal-viewport.reveal-scroll[data-scrollbar="auto"] { + scrollbar-width: none; +} + +.reveal.has-dark-background, +.reveal-viewport.has-dark-background { + --r-overlay-element-bg-color: 240, 240, 240; + --r-overlay-element-fg-color: 0, 0, 0; +} +.reveal.has-light-background, +.reveal-viewport.has-light-background { + --r-overlay-element-bg-color: 0, 0, 0; + --r-overlay-element-fg-color: 240, 240, 240; +} + +.reveal-viewport.reveal-scroll .scrollbar { + position: sticky; + top: 50%; + z-index: 20; + opacity: 0; + transition: all 0.3s ease; + + &.visible, + &:hover { + opacity: 1; + } + + .scrollbar-inner { + position: absolute; + width: var(--r-scrollbar-width); + height: calc(var(--viewport-height) - var(--r-controls-spacing) * 2); + right: var(--r-controls-spacing); + top: 0; + transform: translateY(-50%); + border-radius: var(--r-scrollbar-width); + z-index: 10; + } + + .scrollbar-playhead { + position: absolute; + width: var(--r-scrollbar-width); + height: var(--r-scrollbar-width); + top: 0; + left: 0; + border-radius: var(--r-scrollbar-width); + background-color: rgba(var(--r-overlay-element-bg-color), 1); + z-index: 11; + transition: background-color 0.2s ease; + } + + .scrollbar-slide { + position: absolute; + width: 100%; + background-color: rgba(var(--r-overlay-element-bg-color), 0.2); + box-shadow: 0 0 0px 1px rgba(var(--r-overlay-element-fg-color), 0.1); + border-radius: var(--r-scrollbar-width); + transition: background-color 0.2s ease; + } + + // Hit area + .scrollbar-slide:after { + content: ''; + position: absolute; + width: 200%; + height: 100%; + top: 0; + left: -50%; + background: rgba( 0, 0, 0, 0 ); + z-index: -1; + } + + .scrollbar-slide:hover, + .scrollbar-slide.active { + background-color: rgba(var(--r-overlay-element-bg-color), 0.4); + } + + .scrollbar-trigger { + position: absolute; + width: 100%; + transition: background-color 0.2s ease; + } + + .scrollbar-slide.active.has-triggers { + background-color: rgba(var(--r-overlay-element-bg-color), 0.4); + z-index: 10; + } + + .scrollbar-slide.active .scrollbar-trigger:after { + content: ''; + position: absolute; + width: var(--r-scrollbar-trigger-size); + height: var(--r-scrollbar-trigger-size); + border-radius: 20px; + top: 50%; + left: 50%; + transform: translate(-50%, -50%); + background-color: rgba(var(--r-overlay-element-bg-color), 1); + transition: transform 0.2s ease, opacity 0.2s ease; + opacity: 0.4; + } + + .scrollbar-slide.active .scrollbar-trigger.active:after, + .scrollbar-slide.active .scrollbar-trigger.active ~ .scrollbar-trigger:after { + opacity: 1; + } + + .scrollbar-slide.active .scrollbar-trigger ~ .scrollbar-trigger.active:after { + transform: translate(calc( var(--r-scrollbar-width) * -2), 0); + background-color: rgba(var(--r-overlay-element-bg-color), 1); + } +} + + /********************************************* * PRINT STYLES *********************************************/ diff --git a/src/resources/formats/revealjs/reveal/css/theme/source/beige.scss b/src/resources/formats/revealjs/reveal/css/theme/source/beige.scss index 1f601781c7..7598b94f82 100644 --- a/src/resources/formats/revealjs/reveal/css/theme/source/beige.scss +++ b/src/resources/formats/revealjs/reveal/css/theme/source/beige.scss @@ -27,6 +27,9 @@ $linkColorHover: lighten( $linkColor, 20% ); $selectionBackgroundColor: rgba(79, 64, 28, 0.99); $heading1TextShadow: 0 1px 0 #ccc, 0 2px 0 #c9c9c9, 0 3px 0 #bbb, 0 4px 0 #b9b9b9, 0 5px 0 #aaa, 0 6px 1px rgba(0,0,0,.1), 0 0 5px rgba(0,0,0,.1), 0 1px 3px rgba(0,0,0,.3), 0 3px 5px rgba(0,0,0,.2), 0 5px 10px rgba(0,0,0,.25), 0 20px 20px rgba(0,0,0,.15); +$overlayElementBgColor: 0, 0, 0; +$overlayElementFgColor: 240, 240, 240; + // Background generator @mixin bodyBackground() { @include radial-gradient( rgba(247,242,211,1), rgba(255,255,255,1) ); diff --git a/src/resources/formats/revealjs/reveal/css/theme/source/black-contrast.scss b/src/resources/formats/revealjs/reveal/css/theme/source/black-contrast.scss new file mode 100644 index 0000000000..9e1a2cafbe --- /dev/null +++ b/src/resources/formats/revealjs/reveal/css/theme/source/black-contrast.scss @@ -0,0 +1,49 @@ +/** + * Black compact & high contrast reveal.js theme, with headers not in capitals. + * + * By Peter Kehl. Based on black.(s)css by Hakim El Hattab, http://hakim.se + * + * - Keep the source similar to black.css - for easy comparison. + * - $mainFontSize controls code blocks, too (although under some ratio). + */ + + +// Default mixins and settings ----------------- +@import "../template/mixins"; +@import "../template/settings"; +// --------------------------------------------- + + +// Include theme-specific fonts +@import url(./fonts/source-sans-pro/source-sans-pro.css); + + +// Override theme settings (see ../template/settings.scss) +$backgroundColor: #000000; + +$mainColor: #fff; +$headingColor: #fff; + +$mainFontSize: 42px; +$mainFont: 'Source Sans Pro', Helvetica, sans-serif; +$headingFont: 'Source Sans Pro', Helvetica, sans-serif; +$headingTextShadow: none; +$headingLetterSpacing: normal; +$headingTextTransform: uppercase; +$headingFontWeight: 600; +$linkColor: #42affa; +$linkColorHover: lighten( $linkColor, 15% ); +$selectionBackgroundColor: lighten( $linkColor, 25% ); + +$heading1Size: 2.5em; +$heading2Size: 1.6em; +$heading3Size: 1.3em; +$heading4Size: 1.0em; + +// Change text colors against light slide backgrounds +@include light-bg-text-color(#000); + + +// Theme template ------------------------------ +@import "../template/theme"; +// --------------------------------------------- diff --git a/src/resources/formats/revealjs/reveal/css/theme/source/black.scss b/src/resources/formats/revealjs/reveal/css/theme/source/black.scss index 358dc1df44..7c655c4f98 100644 --- a/src/resources/formats/revealjs/reveal/css/theme/source/black.scss +++ b/src/resources/formats/revealjs/reveal/css/theme/source/black.scss @@ -30,7 +30,7 @@ $headingTextTransform: uppercase; $headingFontWeight: 600; $linkColor: #42affa; $linkColorHover: lighten( $linkColor, 15% ); -$selectionBackgroundColor: lighten( $linkColor, 25% ); +$selectionBackgroundColor: rgba( $linkColor, 0.75 ); $heading1Size: 2.5em; $heading2Size: 1.6em; diff --git a/src/resources/formats/revealjs/reveal/css/theme/source/dracula.scss b/src/resources/formats/revealjs/reveal/css/theme/source/dracula.scss new file mode 100644 index 0000000000..ae968b8c75 --- /dev/null +++ b/src/resources/formats/revealjs/reveal/css/theme/source/dracula.scss @@ -0,0 +1,106 @@ +/** + * Dracula Dark theme for reveal.js. + * Based on https://draculatheme.com + */ + + +// Default mixins and settings ----------------- +@import "../template/mixins"; +@import "../template/settings"; +// --------------------------------------------- + + + +// Include theme-specific fonts +$systemFontsSansSerif: -apple-system, + BlinkMacSystemFont, + avenir next, + avenir, + segoe ui, + helvetica neue, + helvetica, + Cantarell, + Ubuntu, + roboto, + noto, + arial, + sans-serif; +$systemFontsMono: Menlo, + Consolas, + Monaco, + Liberation Mono, + Lucida Console, + monospace; + +/** + * Dracula colors by Zeno Rocha + * https://draculatheme.com/contribute + */ +html * { + color-profile: sRGB; + rendering-intent: auto; +} + +$background: #282A36; +$foreground: #F8F8F2; +$selection: #44475A; +$comment: #6272A4; +$red: #FF5555; +$orange: #FFB86C; +$yellow: #F1FA8C; +$green: #50FA7B; +$purple: #BD93F9; +$cyan: #8BE9FD; +$pink: #FF79C6; + + + +// Override theme settings (see ../template/settings.scss) +$mainColor: $foreground; +$headingColor: $purple; +$headingTextShadow: none; +$headingTextTransform: none; +$backgroundColor: $background; +$linkColor: $pink; +$linkColorHover: $cyan; +$selectionBackgroundColor: $selection; +$inlineCodeColor: $green; +$listBulletColor: $cyan; + +$mainFont: $systemFontsSansSerif; +$codeFont: "Fira Code", $systemFontsMono; + +// Change text colors against light slide backgrounds +@include light-bg-text-color($background); + +// Theme template ------------------------------ +@import "../template/theme"; +// --------------------------------------------- + +// Define additional color effects based on Dracula spec +// https://spec.draculatheme.com/ +:root { + --r-bold-color: #{$orange}; + --r-italic-color: #{$yellow}; + --r-inline-code-color: #{$inlineCodeColor}; + --r-list-bullet-color: #{$listBulletColor}; +} + +.reveal { + strong, b { + color: var(--r-bold-color); + } + em, i, blockquote { + color: var(--r-italic-color); + } + code { + color: var(--r-inline-code-color); + } + // Dracula colored list bullets and numbers + ul, ol { + li::marker { + color: var(--r-list-bullet-color); + } + } +} + diff --git a/src/resources/formats/revealjs/reveal/css/theme/source/moon.scss b/src/resources/formats/revealjs/reveal/css/theme/source/moon.scss index ff2074aff0..59ef0a95a7 100644 --- a/src/resources/formats/revealjs/reveal/css/theme/source/moon.scss +++ b/src/resources/formats/revealjs/reveal/css/theme/source/moon.scss @@ -18,10 +18,6 @@ /** * Solarized colors by Ethan Schoonover */ -html * { - color-profile: sRGB; - rendering-intent: auto; -} // Solarized colors $base03: #002b36; diff --git a/src/resources/formats/revealjs/reveal/css/theme/source/serif.scss b/src/resources/formats/revealjs/reveal/css/theme/source/serif.scss index 1c8d778761..babec4d1ca 100644 --- a/src/resources/formats/revealjs/reveal/css/theme/source/serif.scss +++ b/src/resources/formats/revealjs/reveal/css/theme/source/serif.scss @@ -25,6 +25,9 @@ $linkColor: #51483D; $linkColorHover: lighten( $linkColor, 20% ); $selectionBackgroundColor: #26351C; +$overlayElementBgColor: 0, 0, 0; +$overlayElementFgColor: 240, 240, 240; + .reveal a { line-height: 1.3em; } diff --git a/src/resources/formats/revealjs/reveal/css/theme/source/simple.scss b/src/resources/formats/revealjs/reveal/css/theme/source/simple.scss index faf245f299..51a21af261 100644 --- a/src/resources/formats/revealjs/reveal/css/theme/source/simple.scss +++ b/src/resources/formats/revealjs/reveal/css/theme/source/simple.scss @@ -31,6 +31,9 @@ $linkColor: #00008B; $linkColorHover: lighten( $linkColor, 20% ); $selectionBackgroundColor: rgba(0, 0, 0, 0.99); +$overlayElementBgColor: 0, 0, 0; +$overlayElementFgColor: 240, 240, 240; + // Change text colors against dark slide backgrounds @include dark-bg-text-color(#fff); diff --git a/src/resources/formats/revealjs/reveal/css/theme/source/sky.scss b/src/resources/formats/revealjs/reveal/css/theme/source/sky.scss index c83b9c0617..457e9e5092 100644 --- a/src/resources/formats/revealjs/reveal/css/theme/source/sky.scss +++ b/src/resources/formats/revealjs/reveal/css/theme/source/sky.scss @@ -29,6 +29,9 @@ $linkColor: #3b759e; $linkColorHover: lighten( $linkColor, 20% ); $selectionBackgroundColor: #134674; +$overlayElementBgColor: 0, 0, 0; +$overlayElementFgColor: 240, 240, 240; + // Fix links so they are not cut off .reveal a { line-height: 1.3em; diff --git a/src/resources/formats/revealjs/reveal/css/theme/source/solarized.scss b/src/resources/formats/revealjs/reveal/css/theme/source/solarized.scss index 8bdf1ebcbb..f3253458fa 100644 --- a/src/resources/formats/revealjs/reveal/css/theme/source/solarized.scss +++ b/src/resources/formats/revealjs/reveal/css/theme/source/solarized.scss @@ -51,6 +51,9 @@ $linkColor: $blue; $linkColorHover: lighten( $linkColor, 20% ); $selectionBackgroundColor: $magenta; +$overlayElementBgColor: 0, 0, 0; +$overlayElementFgColor: 240, 240, 240; + // Background generator // @mixin bodyBackground() { // @include radial-gradient( rgba($base3,1), rgba(lighten($base3, 20%),1) ); diff --git a/src/resources/formats/revealjs/reveal/css/theme/source/white-contrast.scss b/src/resources/formats/revealjs/reveal/css/theme/source/white-contrast.scss new file mode 100644 index 0000000000..e22007e23b --- /dev/null +++ b/src/resources/formats/revealjs/reveal/css/theme/source/white-contrast.scss @@ -0,0 +1,52 @@ +/** + * White compact & high contrast reveal.js theme, with headers not in capitals. + * + * By Peter Kehl. Based on white.(s)css by Hakim El Hattab, http://hakim.se + * + * - Keep the source similar to black.css - for easy comparison. + * - $mainFontSize controls code blocks, too (although under some ratio). + */ + + +// Default mixins and settings ----------------- +@import "../template/mixins"; +@import "../template/settings"; +// --------------------------------------------- + + +// Include theme-specific fonts +@import url(./fonts/source-sans-pro/source-sans-pro.css); + + +// Override theme settings (see ../template/settings.scss) +$backgroundColor: #fff; + +$mainColor: #000; +$headingColor: #000; + +$mainFontSize: 42px; +$mainFont: 'Source Sans Pro', Helvetica, sans-serif; +$headingFont: 'Source Sans Pro', Helvetica, sans-serif; +$headingTextShadow: none; +$headingLetterSpacing: normal; +$headingTextTransform: uppercase; +$headingFontWeight: 600; +$linkColor: #2a76dd; +$linkColorHover: lighten( $linkColor, 15% ); +$selectionBackgroundColor: lighten( $linkColor, 25% ); + +$heading1Size: 2.5em; +$heading2Size: 1.6em; +$heading3Size: 1.3em; +$heading4Size: 1.0em; + +$overlayElementBgColor: 0, 0, 0; +$overlayElementFgColor: 240, 240, 240; + +// Change text colors against dark slide backgrounds +@include dark-bg-text-color(#fff); + + +// Theme template ------------------------------ +@import "../template/theme"; +// --------------------------------------------- diff --git a/src/resources/formats/revealjs/reveal/css/theme/source/white.scss b/src/resources/formats/revealjs/reveal/css/theme/source/white.scss index 443d30a509..a2b1292f4e 100644 --- a/src/resources/formats/revealjs/reveal/css/theme/source/white.scss +++ b/src/resources/formats/revealjs/reveal/css/theme/source/white.scss @@ -37,6 +37,9 @@ $heading2Size: 1.6em; $heading3Size: 1.3em; $heading4Size: 1.0em; +$overlayElementBgColor: 0, 0, 0; +$overlayElementFgColor: 240, 240, 240; + // Change text colors against dark slide backgrounds @include dark-bg-text-color(#fff); diff --git a/src/resources/formats/revealjs/reveal/css/theme/template/exposer.scss b/src/resources/formats/revealjs/reveal/css/theme/template/exposer.scss index 4aec3e8c83..2e9288d313 100644 --- a/src/resources/formats/revealjs/reveal/css/theme/template/exposer.scss +++ b/src/resources/formats/revealjs/reveal/css/theme/template/exposer.scss @@ -25,4 +25,6 @@ --r-link-color-hover: #{$linkColorHover}; --r-selection-background-color: #{$selectionBackgroundColor}; --r-selection-color: #{$selectionColor}; + --r-overlay-element-bg-color: #{$overlayElementBgColor}; + --r-overlay-element-fg-color: #{$overlayElementFgColor}; } diff --git a/src/resources/formats/revealjs/reveal/css/theme/template/settings.scss b/src/resources/formats/revealjs/reveal/css/theme/template/settings.scss index 5a917f862a..3d54ac8247 100644 --- a/src/resources/formats/revealjs/reveal/css/theme/template/settings.scss +++ b/src/resources/formats/revealjs/reveal/css/theme/template/settings.scss @@ -38,6 +38,11 @@ $linkColorHover: lighten( $linkColor, 20% ); $selectionBackgroundColor: #FF5E99; $selectionColor: #fff; +// Colors used for UI elements that are overlaid on top of +// the presentation +$overlayElementBgColor: 240, 240, 240; +$overlayElementFgColor: 0, 0, 0; + // Generates the presentation background, can be overridden // to return a background image or gradient @mixin bodyBackground() { diff --git a/src/resources/formats/revealjs/reveal/dist/reveal.css b/src/resources/formats/revealjs/reveal/dist/reveal.css index 5f80fd0961..869289eed2 100644 --- a/src/resources/formats/revealjs/reveal/dist/reveal.css +++ b/src/resources/formats/revealjs/reveal/dist/reveal.css @@ -1,8 +1,8 @@ /*! -* reveal.js 4.3.1 +* reveal.js 5.1.0 * https://revealjs.com * MIT licensed * -* Copyright (C) 2011-2022 Hakim El Hattab, https://hakim.se +* Copyright (C) 2011-2024 Hakim El Hattab, https://hakim.se */ -.reveal .r-stretch,.reveal .stretch{max-width:none;max-height:none}.reveal pre.r-stretch code,.reveal pre.stretch 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a;this.viewportElement.classList.add("loading-scroll-mode","reveal-scroll");const n=window.getComputedStyle(this.viewportElement);n&&n.background&&(a=n.background);const r=[],o=i[0].parentNode;let l;const d=(e,t,i,n)=>{let o;if(l&&this.Reveal.shouldAutoAnimateBetween(l,e))o=document.createElement("div"),o.className="scroll-page-content scroll-auto-animate-page",o.style.display="none",l.closest(".scroll-page-content").parentNode.appendChild(o);else{const e=document.createElement("div");if(e.className="scroll-page",r.push(e),n&&s.length>t){const i=s[t],n=window.getComputedStyle(i);n&&n.background?e.style.background=n.background:a&&(e.style.background=a)}else a&&(e.style.background=a);const i=document.createElement("div");i.className="scroll-page-sticky",e.appendChild(i),o=document.createElement("div"),o.className="scroll-page-content",i.appendChild(o)}o.appendChild(e),e.classList.remove("past","future"),e.setAttribute("data-index-h",t),e.setAttribute("data-index-v",i),e.slideBackgroundElement&&(e.slideBackgroundElement.remove("past","future"),o.insertBefore(e.slideBackgroundElement,e)),l=e};i.forEach(((e,t)=>{this.Reveal.isVerticalStack(e)?e.querySelectorAll("section").forEach(((e,i)=>{d(e,t,i,!0)})):d(e,t,0)}),this),this.createProgressBar(),t(this.Reveal.getRevealElement(),".stack").forEach((e=>e.remove())),r.forEach((e=>o.appendChild(e))),this.Reveal.slideContent.layout(this.Reveal.getSlidesElement()),this.Reveal.layout(),this.Reveal.setState(e),this.activatedCallbacks.forEach((e=>e())),this.activatedCallbacks=[],this.restoreScrollPosition(),this.viewportElement.classList.remove("loading-scroll-mode"),this.viewportElement.addEventListener("scroll",this.onScroll,{passive:!0})}deactivate(){if(!this.active)return;const e=this.Reveal.getState();this.active=!1,this.viewportElement.removeEventListener("scroll",this.onScroll),this.viewportElement.classList.remove("reveal-scroll"),this.removeProgressBar(),this.Reveal.getSlidesElement().innerHTML=this.slideHTMLBeforeActivation,this.Reveal.sync(),this.Reveal.setState(e),this.slideHTMLBeforeActivation=null}toggle(e){"boolean"==typeof e?e?this.activate():this.deactivate():this.isActive()?this.deactivate():this.activate()}isActive(){return this.active}createProgressBar(){this.progressBar=document.createElement("div"),this.progressBar.className="scrollbar",this.progressBarInner=document.createElement("div"),this.progressBarInner.className="scrollbar-inner",this.progressBar.appendChild(this.progressBarInner),this.progressBarPlayhead=document.createElement("div"),this.progressBarPlayhead.className="scrollbar-playhead",this.progressBarInner.appendChild(this.progressBarPlayhead),this.viewportElement.insertBefore(this.progressBar,this.viewportElement.firstChild);const e=e=>{let t=(e.clientY-this.progressBarInner.getBoundingClientRect().top)/this.progressBarHeight;t=Math.max(Math.min(t,1),0),this.viewportElement.scrollTop=t*(this.viewportElement.scrollHeight-this.viewportElement.offsetHeight)},t=i=>{this.draggingProgressBar=!1,this.showProgressBar(),document.removeEventListener("mousemove",e),document.removeEventListener("mouseup",t)};this.progressBarInner.addEventListener("mousedown",(i=>{i.preventDefault(),this.draggingProgressBar=!0,document.addEventListener("mousemove",e),document.addEventListener("mouseup",t),e(i)}))}removeProgressBar(){this.progressBar&&(this.progressBar.remove(),this.progressBar=null)}layout(){this.isActive()&&(this.syncPages(),this.syncScrollPosition())}syncPages(){const e=this.Reveal.getConfig(),t=this.Reveal.getComputedSlideSize(window.innerWidth,window.innerHeight),i=this.Reveal.getScale(),s="compact"===e.scrollLayout,a=this.viewportElement.offsetHeight,n=t.height*i,r=s?n:a;this.scrollTriggerHeight=s?n:a,this.viewportElement.style.setProperty("--page-height",r+"px"),this.viewportElement.style.scrollSnapType="string"==typeof e.scrollSnap?`y ${e.scrollSnap}`:"",this.slideTriggers=[];const o=Array.from(this.Reveal.getRevealElement().querySelectorAll(".scroll-page"));this.pages=o.map((i=>{const n=this.createPage({pageElement:i,slideElement:i.querySelector("section"),stickyElement:i.querySelector(".scroll-page-sticky"),contentElement:i.querySelector(".scroll-page-content"),backgroundElement:i.querySelector(".slide-background"),autoAnimateElements:i.querySelectorAll(".scroll-auto-animate-page"),autoAnimatePages:[]});n.pageElement.style.setProperty("--slide-height",!0===e.center?"auto":t.height+"px"),this.slideTriggers.push({page:n,activate:()=>this.activatePage(n),deactivate:()=>this.deactivatePage(n)}),this.createFragmentTriggersForPage(n),n.autoAnimateElements.length>0&&this.createAutoAnimateTriggersForPage(n);let o=Math.max(n.scrollTriggers.length-1,0);o+=n.autoAnimatePages.reduce(((e,t)=>e+Math.max(t.scrollTriggers.length-1,0)),n.autoAnimatePages.length),n.pageElement.querySelectorAll(".scroll-snap-point").forEach((e=>e.remove()));for(let e=0;e0?(n.pageHeight=a,n.pageElement.style.setProperty("--page-height",a+"px")):(n.pageHeight=r,n.pageElement.style.removeProperty("--page-height")),n.scrollPadding=this.scrollTriggerHeight*o,n.totalHeight=n.pageHeight+n.scrollPadding,n.pageElement.style.setProperty("--page-scroll-padding",n.scrollPadding+"px"),o>0?(n.stickyElement.style.position="sticky",n.stickyElement.style.top=Math.max((a-n.pageHeight)/2,0)+"px"):(n.stickyElement.style.position="relative",n.pageElement.style.scrollSnapAlign=n.pageHeight1?(this.progressBar||this.createProgressBar(),this.syncProgressBar()):this.removeProgressBar()}setTriggerRanges(){this.totalScrollTriggerCount=this.slideTriggers.reduce(((e,t)=>e+Math.max(t.page.scrollTriggers.length,1)),0);let e=0;this.slideTriggers.forEach(((t,i)=>{t.range=[e,e+Math.max(t.page.scrollTriggers.length,1)/this.totalScrollTriggerCount];const s=(t.range[1]-t.range[0])/t.page.scrollTriggers.length;t.page.scrollTriggers.forEach(((t,i)=>{t.range=[e+i*s,e+(i+1)*s]})),e=t.range[1]}))}createFragmentTriggersForPage(e,t){t=t||e.slideElement;const i=this.Reveal.fragments.sort(t.querySelectorAll(".fragment"),!0);return i.length&&(e.fragments=this.Reveal.fragments.sort(t.querySelectorAll(".fragment:not(.disabled)")),e.scrollTriggers.push({activate:()=>{this.Reveal.fragments.update(-1,e.fragments,t)}}),i.forEach(((i,s)=>{e.scrollTriggers.push({activate:()=>{this.Reveal.fragments.update(s,e.fragments,t)}})}))),e.scrollTriggers.length}createAutoAnimateTriggersForPage(e){e.autoAnimateElements.length>0&&this.slideTriggers.push(...Array.from(e.autoAnimateElements).map(((t,i)=>{let s=this.createPage({slideElement:t.querySelector("section"),contentElement:t,backgroundElement:t.querySelector(".slide-background")});return this.createFragmentTriggersForPage(s,s.slideElement),e.autoAnimatePages.push(s),{page:s,activate:()=>this.activatePage(s),deactivate:()=>this.deactivatePage(s)}})))}createPage(e){return e.scrollTriggers=[],e.indexh=parseInt(e.slideElement.getAttribute("data-index-h"),10),e.indexv=parseInt(e.slideElement.getAttribute("data-index-v"),10),e}syncProgressBar(){this.progressBarInner.querySelectorAll(".scrollbar-slide").forEach((e=>e.remove()));const e=this.viewportElement.scrollHeight,t=this.viewportElement.offsetHeight,i=t/e;this.progressBarHeight=this.progressBarInner.offsetHeight,this.playheadHeight=Math.max(i*this.progressBarHeight,8),this.progressBarScrollableHeight=this.progressBarHeight-this.playheadHeight;const s=t/e*this.progressBarHeight,a=Math.min(s/8,4);this.progressBarPlayhead.style.height=this.playheadHeight-a+"px",s>6?this.slideTriggers.forEach((e=>{const{page:t}=e;t.progressBarSlide=document.createElement("div"),t.progressBarSlide.className="scrollbar-slide",t.progressBarSlide.style.top=e.range[0]*this.progressBarHeight+"px",t.progressBarSlide.style.height=(e.range[1]-e.range[0])*this.progressBarHeight-a+"px",t.progressBarSlide.classList.toggle("has-triggers",t.scrollTriggers.length>0),this.progressBarInner.appendChild(t.progressBarSlide),t.scrollTriggerElements=t.scrollTriggers.map(((i,s)=>{const n=document.createElement("div");return n.className="scrollbar-trigger",n.style.top=(i.range[0]-e.range[0])*this.progressBarHeight+"px",n.style.height=(i.range[1]-i.range[0])*this.progressBarHeight-a+"px",t.progressBarSlide.appendChild(n),0===s&&(n.style.display="none"),n}))})):this.pages.forEach((e=>e.progressBarSlide=null))}syncScrollPosition(){const e=this.viewportElement.offsetHeight,t=e/this.viewportElement.scrollHeight,i=this.viewportElement.scrollTop,s=this.viewportElement.scrollHeight-e,a=Math.max(Math.min(i/s,1),0),n=Math.max(Math.min((i+e/2)/this.viewportElement.scrollHeight,1),0);let r;this.slideTriggers.forEach((e=>{const{page:i}=e;a>=e.range[0]-2*t&&a<=e.range[1]+2*t&&!i.loaded?(i.loaded=!0,this.Reveal.slideContent.load(i.slideElement)):i.loaded&&(i.loaded=!1,this.Reveal.slideContent.unload(i.slideElement)),a>=e.range[0]&&a<=e.range[1]?(this.activateTrigger(e),r=e.page):e.active&&this.deactivateTrigger(e)})),r&&r.scrollTriggers.forEach((e=>{n>=e.range[0]&&n<=e.range[1]?this.activateTrigger(e):e.active&&this.deactivateTrigger(e)})),this.setProgressBarValue(i/(this.viewportElement.scrollHeight-e))}setProgressBarValue(e){this.progressBar&&(this.progressBarPlayhead.style.transform=`translateY(${e*this.progressBarScrollableHeight}px)`,this.getAllPages().filter((e=>e.progressBarSlide)).forEach((e=>{e.progressBarSlide.classList.toggle("active",!0===e.active),e.scrollTriggers.forEach(((t,i)=>{e.scrollTriggerElements[i].classList.toggle("active",!0===e.active&&!0===t.active)}))})),this.showProgressBar())}showProgressBar(){this.progressBar.classList.add("visible"),clearTimeout(this.hideProgressBarTimeout),"auto"!==this.Reveal.getConfig().scrollProgress||this.draggingProgressBar||(this.hideProgressBarTimeout=setTimeout((()=>{this.progressBar&&this.progressBar.classList.remove("visible")}),500))}prev(){this.viewportElement.scrollTop-=this.scrollTriggerHeight}next(){this.viewportElement.scrollTop+=this.scrollTriggerHeight}scrollToSlide(e){if(this.active){const t=this.getScrollTriggerBySlide(e);t&&(this.viewportElement.scrollTop=t.range[0]*(this.viewportElement.scrollHeight-this.viewportElement.offsetHeight))}else this.activatedCallbacks.push((()=>this.scrollToSlide(e)))}storeScrollPosition(){clearTimeout(this.storeScrollPositionTimeout),this.storeScrollPositionTimeout=setTimeout((()=>{sessionStorage.setItem("reveal-scroll-top",this.viewportElement.scrollTop),sessionStorage.setItem("reveal-scroll-origin",location.origin+location.pathname),this.storeScrollPositionTimeout=null}),50)}restoreScrollPosition(){const e=sessionStorage.getItem("reveal-scroll-top"),t=sessionStorage.getItem("reveal-scroll-origin");e&&t===location.origin+location.pathname&&(this.viewportElement.scrollTop=parseInt(e,10))}activatePage(e){if(!e.active){e.active=!0;const{slideElement:t,backgroundElement:i,contentElement:s,indexh:a,indexv:n}=e;s.style.display="block",t.classList.add("present"),i&&i.classList.add("present"),this.Reveal.setCurrentScrollPage(t,a,n),this.Reveal.backgrounds.bubbleSlideContrastClassToElement(t,this.viewportElement),Array.from(s.parentNode.querySelectorAll(".scroll-page-content")).forEach((e=>{e!==s&&(e.style.display="none")}))}}deactivatePage(e){e.active&&(e.active=!1,e.slideElement&&e.slideElement.classList.remove("present"),e.backgroundElement&&e.backgroundElement.classList.remove("present"))}activateTrigger(e){e.active||(e.active=!0,e.activate())}deactivateTrigger(e){e.active&&(e.active=!1,e.deactivate&&e.deactivate())}getSlideByIndices(e,t){const i=this.getAllPages().find((i=>i.indexh===e&&i.indexv===t));return i?i.slideElement:null}getScrollTriggerBySlide(e){return this.slideTriggers.find((t=>t.page.slideElement===e))}getAllPages(){return this.pages.flatMap((e=>[e,...e.autoAnimatePages||[]]))}onScroll(){this.syncScrollPosition(),this.storeScrollPosition()}get viewportElement(){return this.Reveal.getViewportElement()}}class x{constructor(e){this.Reveal=e}async activate(){const e=this.Reveal.getConfig(),i=t(this.Reveal.getRevealElement(),m),s=e.slideNumber&&/all|print/i.test(e.showSlideNumber),a=this.Reveal.getComputedSlideSize(window.innerWidth,window.innerHeight),n=Math.floor(a.width*(1+e.margin)),r=Math.floor(a.height*(1+e.margin)),o=a.width,d=a.height;await new Promise(requestAnimationFrame),l("@page{size:"+n+"px "+r+"px; margin: 0px;}"),l(".reveal section>img, .reveal section>video, .reveal section>iframe{max-width: "+o+"px; max-height:"+d+"px}"),document.documentElement.classList.add("reveal-print","print-pdf"),document.body.style.width=n+"px",document.body.style.height=r+"px";const c=this.Reveal.getViewportElement();let h;if(c){const e=window.getComputedStyle(c);e&&e.background&&(h=e.background)}await new Promise(requestAnimationFrame),this.Reveal.layoutSlideContents(o,d),await new Promise(requestAnimationFrame);const u=i.map((e=>e.scrollHeight)),g=[],p=i[0].parentNode;let v=1;i.forEach((function(i,a){if(!1===i.classList.contains("stack")){let l=(n-o)/2,c=(r-d)/2;const p=u[a];let m=Math.max(Math.ceil(p/r),1);m=Math.min(m,e.pdfMaxPagesPerSlide),(1===m&&e.center||i.classList.contains("center"))&&(c=Math.max((r-p)/2,0));const f=document.createElement("div");if(g.push(f),f.className="pdf-page",f.style.height=(r+e.pdfPageHeightOffset)*m+"px",h&&(f.style.background=h),f.appendChild(i),i.style.left=l+"px",i.style.top=c+"px",i.style.width=o+"px",this.Reveal.slideContent.layout(i),i.slideBackgroundElement&&f.insertBefore(i.slideBackgroundElement,i),e.showNotes){const t=this.Reveal.getSlideNotes(i);if(t){const i=8,s="string"==typeof e.showNotes?e.showNotes:"inline",a=document.createElement("div");a.classList.add("speaker-notes"),a.classList.add("speaker-notes-pdf"),a.setAttribute("data-layout",s),a.innerHTML=t,"separate-page"===s?g.push(a):(a.style.left=i+"px",a.style.bottom=i+"px",a.style.width=n-2*i+"px",f.appendChild(a))}}if(s){const e=document.createElement("div");e.classList.add("slide-number"),e.classList.add("slide-number-pdf"),e.innerHTML=v++,f.appendChild(e)}if(e.pdfSeparateFragments){const e=this.Reveal.fragments.sort(f.querySelectorAll(".fragment"),!0);let t;e.forEach((function(e,i){t&&t.forEach((function(e){e.classList.remove("current-fragment")})),e.forEach((function(e){e.classList.add("visible","current-fragment")}),this);const a=f.cloneNode(!0);if(s){const e=i+1;a.querySelector(".slide-number-pdf").innerHTML+="."+e}g.push(a),t=e}),this),e.forEach((function(e){e.forEach((function(e){e.classList.remove("visible","current-fragment")}))}))}else t(f,".fragment:not(.fade-out)").forEach((function(e){e.classList.add("visible")}))}}),this),await new Promise(requestAnimationFrame),g.forEach((e=>p.appendChild(e))),this.Reveal.slideContent.layout(this.Reveal.getSlidesElement()),this.Reveal.dispatchEvent({type:"pdf-ready"}),c.classList.remove("loading-scroll-mode")}isActive(){return"print"===this.Reveal.getConfig().view}}class P{constructor(e){this.Reveal=e}configure(e,t){!1===e.fragments?this.disable():!1===t.fragments&&this.enable()}disable(){t(this.Reveal.getSlidesElement(),".fragment").forEach((e=>{e.classList.add("visible"),e.classList.remove("current-fragment")}))}enable(){t(this.Reveal.getSlidesElement(),".fragment").forEach((e=>{e.classList.remove("visible"),e.classList.remove("current-fragment")}))}availableRoutes(){let e=this.Reveal.getCurrentSlide();if(e&&this.Reveal.getConfig().fragments){let t=e.querySelectorAll(".fragment:not(.disabled)"),i=e.querySelectorAll(".fragment:not(.disabled):not(.visible)");return{prev:t.length-i.length>0,next:!!i.length}}return{prev:!1,next:!1}}sort(e,t=!1){e=Array.from(e);let i=[],s=[],a=[];e.forEach((e=>{if(e.hasAttribute("data-fragment-index")){let t=parseInt(e.getAttribute("data-fragment-index"),10);i[t]||(i[t]=[]),i[t].push(e)}else s.push([e])})),i=i.concat(s);let n=0;return i.forEach((e=>{e.forEach((e=>{a.push(e),e.setAttribute("data-fragment-index",n)})),n++})),!0===t?i:a}sortAll(){this.Reveal.getHorizontalSlides().forEach((e=>{let i=t(e,"section");i.forEach(((e,t)=>{this.sort(e.querySelectorAll(".fragment"))}),this),0===i.length&&this.sort(e.querySelectorAll(".fragment"))}))}update(e,t,i=this.Reveal.getCurrentSlide()){let s={shown:[],hidden:[]};if(i&&this.Reveal.getConfig().fragments&&(t=t||this.sort(i.querySelectorAll(".fragment"))).length){let a=0;if("number"!=typeof e){let t=this.sort(i.querySelectorAll(".fragment.visible")).pop();t&&(e=parseInt(t.getAttribute("data-fragment-index")||0,10))}Array.from(t).forEach(((t,i)=>{if(t.hasAttribute("data-fragment-index")&&(i=parseInt(t.getAttribute("data-fragment-index"),10)),a=Math.max(a,i),i<=e){let a=t.classList.contains("visible");t.classList.add("visible"),t.classList.remove("current-fragment"),i===e&&(this.Reveal.announceStatus(this.Reveal.getStatusText(t)),t.classList.add("current-fragment"),this.Reveal.slideContent.startEmbeddedContent(t)),a||(s.shown.push(t),this.Reveal.dispatchEvent({target:t,type:"visible",bubbles:!1}))}else{let e=t.classList.contains("visible");t.classList.remove("visible"),t.classList.remove("current-fragment"),e&&(this.Reveal.slideContent.stopEmbeddedContent(t),s.hidden.push(t),this.Reveal.dispatchEvent({target:t,type:"hidden",bubbles:!1}))}})),e="number"==typeof e?e:-1,e=Math.max(Math.min(e,a),-1),i.setAttribute("data-fragment",e)}return s.hidden.length&&this.Reveal.dispatchEvent({type:"fragmenthidden",data:{fragment:s.hidden[0],fragments:s.hidden}}),s.shown.length&&this.Reveal.dispatchEvent({type:"fragmentshown",data:{fragment:s.shown[0],fragments:s.shown}}),s}sync(e=this.Reveal.getCurrentSlide()){return this.sort(e.querySelectorAll(".fragment"))}goto(e,t=0){let i=this.Reveal.getCurrentSlide();if(i&&this.Reveal.getConfig().fragments){let s=this.sort(i.querySelectorAll(".fragment:not(.disabled)"));if(s.length){if("number"!=typeof e){let t=this.sort(i.querySelectorAll(".fragment:not(.disabled).visible")).pop();e=t?parseInt(t.getAttribute("data-fragment-index")||0,10):-1}e+=t;let a=this.update(e,s);return this.Reveal.controls.update(),this.Reveal.progress.update(),this.Reveal.getConfig().fragmentInURL&&this.Reveal.location.writeURL(),!(!a.shown.length&&!a.hidden.length)}}return!1}next(){return this.goto(null,1)}prev(){return this.goto(null,-1)}}class T{constructor(e){this.Reveal=e,this.active=!1,this.onSlideClicked=this.onSlideClicked.bind(this)}activate(){if(this.Reveal.getConfig().overview&&!this.Reveal.isScrollView()&&!this.isActive()){this.active=!0,this.Reveal.getRevealElement().classList.add("overview"),this.Reveal.cancelAutoSlide(),this.Reveal.getSlidesElement().appendChild(this.Reveal.getBackgroundsElement()),t(this.Reveal.getRevealElement(),m).forEach((e=>{e.classList.contains("stack")||e.addEventListener("click",this.onSlideClicked,!0)}));const e=70,i=this.Reveal.getComputedSlideSize();this.overviewSlideWidth=i.width+e,this.overviewSlideHeight=i.height+e,this.Reveal.getConfig().rtl&&(this.overviewSlideWidth=-this.overviewSlideWidth),this.Reveal.updateSlidesVisibility(),this.layout(),this.update(),this.Reveal.layout();const s=this.Reveal.getIndices();this.Reveal.dispatchEvent({type:"overviewshown",data:{indexh:s.h,indexv:s.v,currentSlide:this.Reveal.getCurrentSlide()}})}}layout(){this.Reveal.getHorizontalSlides().forEach(((e,i)=>{e.setAttribute("data-index-h",i),a(e,"translate3d("+i*this.overviewSlideWidth+"px, 0, 0)"),e.classList.contains("stack")&&t(e,"section").forEach(((e,t)=>{e.setAttribute("data-index-h",i),e.setAttribute("data-index-v",t),a(e,"translate3d(0, "+t*this.overviewSlideHeight+"px, 0)")}))})),Array.from(this.Reveal.getBackgroundsElement().childNodes).forEach(((e,i)=>{a(e,"translate3d("+i*this.overviewSlideWidth+"px, 0, 0)"),t(e,".slide-background").forEach(((e,t)=>{a(e,"translate3d(0, "+t*this.overviewSlideHeight+"px, 0)")}))}))}update(){const e=Math.min(window.innerWidth,window.innerHeight),t=Math.max(e/5,150)/e,i=this.Reveal.getIndices();this.Reveal.transformSlides({overview:["scale("+t+")","translateX("+-i.h*this.overviewSlideWidth+"px)","translateY("+-i.v*this.overviewSlideHeight+"px)"].join(" ")})}deactivate(){if(this.Reveal.getConfig().overview){this.active=!1,this.Reveal.getRevealElement().classList.remove("overview"),this.Reveal.getRevealElement().classList.add("overview-deactivating"),setTimeout((()=>{this.Reveal.getRevealElement().classList.remove("overview-deactivating")}),1),this.Reveal.getRevealElement().appendChild(this.Reveal.getBackgroundsElement()),t(this.Reveal.getRevealElement(),m).forEach((e=>{a(e,""),e.removeEventListener("click",this.onSlideClicked,!0)})),t(this.Reveal.getBackgroundsElement(),".slide-background").forEach((e=>{a(e,"")})),this.Reveal.transformSlides({overview:""});const 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M{MAX_REPLACE_STATE_FREQUENCY=1e3;constructor(e){this.Reveal=e,this.writeURLTimeout=0,this.replaceStateTimestamp=0,this.onWindowHashChange=this.onWindowHashChange.bind(this)}bind(){window.addEventListener("hashchange",this.onWindowHashChange,!1)}unbind(){window.removeEventListener("hashchange",this.onWindowHashChange,!1)}getIndicesFromHash(e=window.location.hash,t={}){let i=e.replace(/^#\/?/,""),s=i.split("/");if(/^[0-9]*$/.test(s[0])||!i.length){const e=this.Reveal.getConfig();let i,a=e.hashOneBasedIndex||t.oneBasedIndex?1:0,n=parseInt(s[0],10)-a||0,r=parseInt(s[1],10)-a||0;return e.fragmentInURL&&(i=parseInt(s[2],10),isNaN(i)&&(i=void 0)),{h:n,v:r,f:i}}{let e,t;/\/[-\d]+$/g.test(i)&&(t=parseInt(i.split("/").pop(),10),t=isNaN(t)?void 0:t,i=i.split("/").shift());try{e=document.getElementById(decodeURIComponent(i)).closest(".slides section")}catch(e){}if(e)return{...this.Reveal.getIndices(e),f:t}}return null}readURL(){const 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a=this.Reveal.getIndices(e);if(this.Reveal.getConfig().fragmentInURL||(a.f=void 0),"string"==typeof s&&s.length)t="/"+s,a.f>=0&&(t+="/"+a.f);else{let e=this.Reveal.getConfig().hashOneBasedIndex?1:0;(a.h>0||a.v>0||a.f>=0)&&(t+=a.h+e),(a.v>0||a.f>=0)&&(t+="/"+(a.v+e)),a.f>=0&&(t+="/"+a.f)}return t}onWindowHashChange(e){this.readURL()}}class I{constructor(e){this.Reveal=e,this.onNavigateLeftClicked=this.onNavigateLeftClicked.bind(this),this.onNavigateRightClicked=this.onNavigateRightClicked.bind(this),this.onNavigateUpClicked=this.onNavigateUpClicked.bind(this),this.onNavigateDownClicked=this.onNavigateDownClicked.bind(this),this.onNavigatePrevClicked=this.onNavigatePrevClicked.bind(this),this.onNavigateNextClicked=this.onNavigateNextClicked.bind(this),this.onEnterFullscreen=this.onEnterFullscreen.bind(this)}render(){const e=this.Reveal.getConfig().rtl,i=this.Reveal.getRevealElement();this.element=document.createElement("aside"),this.element.className="controls",this.element.innerHTML=`\n\t\t\t\n\t\t\t\n\t\t\t`,this.Reveal.getRevealElement().appendChild(this.element),this.controlsLeft=t(i,".navigate-left"),this.controlsRight=t(i,".navigate-right"),this.controlsUp=t(i,".navigate-up"),this.controlsDown=t(i,".navigate-down"),this.controlsPrev=t(i,".navigate-prev"),this.controlsNext=t(i,".navigate-next"),this.controlsFullscreen=t(i,".enter-fullscreen"),this.controlsRightArrow=this.element.querySelector(".navigate-right"),this.controlsLeftArrow=this.element.querySelector(".navigate-left"),this.controlsDownArrow=this.element.querySelector(".navigate-down")}configure(e,t){this.element.style.display=e.controls?"block":"none",this.element.setAttribute("data-controls-layout",e.controlsLayout),this.element.setAttribute("data-controls-back-arrows",e.controlsBackArrows)}bind(){let 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e=this.Reveal.availableRoutes();[...this.controlsLeft,...this.controlsRight,...this.controlsUp,...this.controlsDown,...this.controlsPrev,...this.controlsNext].forEach((e=>{e.classList.remove("enabled","fragmented"),e.setAttribute("disabled","disabled")})),e.left&&this.controlsLeft.forEach((e=>{e.classList.add("enabled"),e.removeAttribute("disabled")})),e.right&&this.controlsRight.forEach((e=>{e.classList.add("enabled"),e.removeAttribute("disabled")})),e.up&&this.controlsUp.forEach((e=>{e.classList.add("enabled"),e.removeAttribute("disabled")})),e.down&&this.controlsDown.forEach((e=>{e.classList.add("enabled"),e.removeAttribute("disabled")})),(e.left||e.up)&&this.controlsPrev.forEach((e=>{e.classList.add("enabled"),e.removeAttribute("disabled")})),(e.right||e.down)&&this.controlsNext.forEach((e=>{e.classList.add("enabled"),e.removeAttribute("disabled")}));let t=this.Reveal.getCurrentSlide();if(t){let e=this.Reveal.fragments.availableRoutes();e.prev&&this.controlsPrev.forEach((e=>{e.classList.add("fragmented","enabled"),e.removeAttribute("disabled")})),e.next&&this.controlsNext.forEach((e=>{e.classList.add("fragmented","enabled"),e.removeAttribute("disabled")})),this.Reveal.isVerticalSlide(t)?(e.prev&&this.controlsUp.forEach((e=>{e.classList.add("fragmented","enabled"),e.removeAttribute("disabled")})),e.next&&this.controlsDown.forEach((e=>{e.classList.add("fragmented","enabled"),e.removeAttribute("disabled")}))):(e.prev&&this.controlsLeft.forEach((e=>{e.classList.add("fragmented","enabled"),e.removeAttribute("disabled")})),e.next&&this.controlsRight.forEach((e=>{e.classList.add("fragmented","enabled"),e.removeAttribute("disabled")})))}if(this.Reveal.getConfig().controlsTutorial){let 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t=this.Reveal.getConfig(),i=this.Reveal.getViewportElement();o(t.embedded?i:i.parentElement)}}class B{constructor(e){this.Reveal=e,this.onProgressClicked=this.onProgressClicked.bind(this)}render(){this.element=document.createElement("div"),this.element.className="progress",this.Reveal.getRevealElement().appendChild(this.element),this.bar=document.createElement("span"),this.element.appendChild(this.bar)}configure(e,t){this.element.style.display=e.progress?"block":"none"}bind(){this.Reveal.getConfig().progress&&this.element&&this.element.addEventListener("click",this.onProgressClicked,!1)}unbind(){this.Reveal.getConfig().progress&&this.element&&this.element.removeEventListener("click",this.onProgressClicked,!1)}update(){if(this.Reveal.getConfig().progress&&this.bar){let e=this.Reveal.getProgress();this.Reveal.getTotalSlides()<2&&(e=0),this.bar.style.transform="scaleX("+e+")"}}getMaxWidth(){return 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window?(e.addEventListener("pointerdown",this.onPointerDown,!1),e.addEventListener("pointermove",this.onPointerMove,!1),e.addEventListener("pointerup",this.onPointerUp,!1)):window.navigator.msPointerEnabled?(e.addEventListener("MSPointerDown",this.onPointerDown,!1),e.addEventListener("MSPointerMove",this.onPointerMove,!1),e.addEventListener("MSPointerUp",this.onPointerUp,!1)):(e.addEventListener("touchstart",this.onTouchStart,!1),e.addEventListener("touchmove",this.onTouchMove,!1),e.addEventListener("touchend",this.onTouchEnd,!1))}unbind(){let 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container ) {\n\t\t\treturn testNode;\n\t\t}\n\t}\n\n\t// If no node was found, create it now\n\tlet node = document.createElement( tagname );\n\tnode.className = classname;\n\tnode.innerHTML = innerHTML;\n\tcontainer.appendChild( node );\n\n\treturn node;\n\n}\n\n/**\n * Injects the given CSS styles into the DOM.\n *\n * @param {string} value\n */\nexport const createStyleSheet = ( value ) => {\n\n\tlet tag = document.createElement( 'style' );\n\ttag.type = 'text/css';\n\n\tif( value && value.length > 0 ) {\n\t\tif( tag.styleSheet ) {\n\t\t\ttag.styleSheet.cssText = value;\n\t\t}\n\t\telse {\n\t\t\ttag.appendChild( document.createTextNode( value ) );\n\t\t}\n\t}\n\n\tdocument.head.appendChild( tag );\n\n\treturn tag;\n\n}\n\n/**\n * Returns a key:value hash of all query params.\n */\nexport const getQueryHash = () => {\n\n\tlet query = {};\n\n\tlocation.search.replace( /[A-Z0-9]+?=([\\w\\.%-]*)/gi, a => {\n\t\tquery[ a.split( '=' ).shift() ] = a.split( '=' ).pop();\n\t} );\n\n\t// Basic deserialization\n\tfor( let i in query ) {\n\t\tlet value = query[ i ];\n\n\t\tquery[ i ] = deserialize( unescape( value ) );\n\t}\n\n\t// Do not accept new dependencies via query config to avoid\n\t// the potential of malicious script injection\n\tif( typeof query['dependencies'] !== 'undefined' ) delete query['dependencies'];\n\n\treturn query;\n\n}\n\n/**\n * Returns the remaining height within the parent of the\n * target element.\n *\n * remaining height = [ configured parent height ] - [ current parent height ]\n *\n * @param {HTMLElement} element\n * @param {number} [height]\n */\nexport const getRemainingHeight = ( element, height = 0 ) => {\n\n\tif( element ) {\n\t\tlet newHeight, oldHeight = element.style.height;\n\n\t\t// Change the .stretch element height to 0 in order find the height of all\n\t\t// the other elements\n\t\telement.style.height = '0px';\n\n\t\t// In Overview mode, the parent (.slide) height is set of 700px.\n\t\t// Restore it temporarily to its natural height.\n\t\telement.parentNode.style.height = 'auto';\n\n\t\tnewHeight = height - element.parentNode.offsetHeight;\n\n\t\t// Restore the old height, just in case\n\t\telement.style.height = oldHeight + 'px';\n\n\t\t// Clear the parent (.slide) height. .removeProperty works in IE9+\n\t\telement.parentNode.style.removeProperty('height');\n\n\t\treturn newHeight;\n\t}\n\n\treturn height;\n\n}\n\nconst fileExtensionToMimeMap = {\n\t'mp4': 'video/mp4',\n\t'm4a': 'video/mp4',\n\t'ogv': 'video/ogg',\n\t'mpeg': 'video/mpeg',\n\t'webm': 'video/webm'\n}\n\n/**\n * Guess the MIME type for common file formats.\n */\nexport const getMimeTypeFromFile = ( filename='' ) => {\n\treturn fileExtensionToMimeMap[filename.split('.').pop()]\n}","const UA = navigator.userAgent;\n\nexport const isMobile = /(iphone|ipod|ipad|android)/gi.test( UA ) ||\n\t\t\t\t\t\t( navigator.platform === 'MacIntel' && navigator.maxTouchPoints > 1 ); // iPadOS\n\nexport const isChrome = /chrome/i.test( UA ) && !/edge/i.test( UA );\n\nexport const isAndroid = /android/gi.test( UA );","/*\n * fitty v2.3.3 - Snugly resizes text to fit its parent container\n * Copyright (c) 2020 Rik Schennink (https://pqina.nl/)\n */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };\n\nexports.default = function (w) {\n\n // no window, early exit\n if (!w) return;\n\n // node list to array helper method\n var toArray = function toArray(nl) {\n return [].slice.call(nl);\n };\n\n // states\n var DrawState = {\n IDLE: 0,\n DIRTY_CONTENT: 1,\n DIRTY_LAYOUT: 2,\n DIRTY: 3\n };\n\n // all active fitty elements\n var fitties = [];\n\n // group all redraw calls till next frame, we cancel each frame request when a new one comes in. If no support for request animation frame, this is an empty function and supports for fitty stops.\n var redrawFrame = null;\n var requestRedraw = 'requestAnimationFrame' in w ? function () {\n w.cancelAnimationFrame(redrawFrame);\n redrawFrame = w.requestAnimationFrame(function () {\n return redraw(fitties.filter(function (f) {\n return f.dirty && f.active;\n }));\n });\n } : function () {};\n\n // sets all fitties to dirty so they are redrawn on the next redraw loop, then calls redraw\n var redrawAll = function redrawAll(type) {\n return function () {\n fitties.forEach(function (f) {\n return f.dirty = type;\n });\n requestRedraw();\n };\n };\n\n // redraws fitties so they nicely fit their parent container\n var redraw = function redraw(fitties) {\n\n // getting info from the DOM at this point should not trigger a reflow, let's gather as much intel as possible before triggering a reflow\n\n // check if styles of all fitties have been computed\n fitties.filter(function (f) {\n return !f.styleComputed;\n }).forEach(function (f) {\n f.styleComputed = computeStyle(f);\n });\n\n // restyle elements that require pre-styling, this triggers a reflow, please try to prevent by adding CSS rules (see docs)\n fitties.filter(shouldPreStyle).forEach(applyStyle);\n\n // we now determine which fitties should be redrawn\n var fittiesToRedraw = fitties.filter(shouldRedraw);\n\n // we calculate final styles for these fitties\n fittiesToRedraw.forEach(calculateStyles);\n\n // now we apply the calculated styles from our previous loop\n fittiesToRedraw.forEach(function (f) {\n applyStyle(f);\n markAsClean(f);\n });\n\n // now we dispatch events for all restyled fitties\n fittiesToRedraw.forEach(dispatchFitEvent);\n };\n\n var markAsClean = function markAsClean(f) {\n return f.dirty = DrawState.IDLE;\n };\n\n var calculateStyles = function calculateStyles(f) {\n\n // get available width from parent node\n f.availableWidth = f.element.parentNode.clientWidth;\n\n // the space our target element uses\n f.currentWidth = f.element.scrollWidth;\n\n // remember current font size\n f.previousFontSize = f.currentFontSize;\n\n // let's calculate the new font size\n f.currentFontSize = Math.min(Math.max(f.minSize, f.availableWidth / f.currentWidth * f.previousFontSize), f.maxSize);\n\n // if allows wrapping, only wrap when at minimum font size (otherwise would break container)\n f.whiteSpace = f.multiLine && f.currentFontSize === f.minSize ? 'normal' : 'nowrap';\n };\n\n // should always redraw if is not dirty layout, if is dirty layout, only redraw if size has changed\n var shouldRedraw = function shouldRedraw(f) {\n return f.dirty !== DrawState.DIRTY_LAYOUT || f.dirty === DrawState.DIRTY_LAYOUT && f.element.parentNode.clientWidth !== f.availableWidth;\n };\n\n // every fitty element is tested for invalid styles\n var computeStyle = function computeStyle(f) {\n\n // get style properties\n var style = w.getComputedStyle(f.element, null);\n\n // get current font size in pixels (if we already calculated it, use the calculated version)\n f.currentFontSize = parseFloat(style.getPropertyValue('font-size'));\n\n // get display type and wrap mode\n f.display = style.getPropertyValue('display');\n f.whiteSpace = style.getPropertyValue('white-space');\n };\n\n // determines if this fitty requires initial styling, can be prevented by applying correct styles through CSS\n var shouldPreStyle = function shouldPreStyle(f) {\n\n var preStyle = false;\n\n // if we already tested for prestyling we don't have to do it again\n if (f.preStyleTestCompleted) return false;\n\n // should have an inline style, if not, apply\n if (!/inline-/.test(f.display)) {\n preStyle = true;\n f.display = 'inline-block';\n }\n\n // to correctly calculate dimensions the element should have whiteSpace set to nowrap\n if (f.whiteSpace !== 'nowrap') {\n preStyle = true;\n f.whiteSpace = 'nowrap';\n }\n\n // we don't have to do this twice\n f.preStyleTestCompleted = true;\n\n return preStyle;\n };\n\n // apply styles to single fitty\n var applyStyle = function applyStyle(f) {\n f.element.style.whiteSpace = f.whiteSpace;\n f.element.style.display = f.display;\n f.element.style.fontSize = f.currentFontSize + 'px';\n };\n\n // dispatch a fit event on a fitty\n var dispatchFitEvent = function dispatchFitEvent(f) {\n f.element.dispatchEvent(new CustomEvent('fit', {\n detail: {\n oldValue: f.previousFontSize,\n newValue: f.currentFontSize,\n scaleFactor: f.currentFontSize / f.previousFontSize\n }\n }));\n };\n\n // fit method, marks the fitty as dirty and requests a redraw (this will also redraw any other fitty marked as dirty)\n var fit = function fit(f, type) {\n return function () {\n f.dirty = type;\n if (!f.active) return;\n requestRedraw();\n };\n };\n\n var init = function init(f) {\n\n // save some of the original CSS properties before we change them\n f.originalStyle = {\n whiteSpace: f.element.style.whiteSpace,\n display: f.element.style.display,\n fontSize: f.element.style.fontSize\n };\n\n // should we observe DOM mutations\n observeMutations(f);\n\n // this is a new fitty so we need to validate if it's styles are in order\n f.newbie = true;\n\n // because it's a new fitty it should also be dirty, we want it to redraw on the first loop\n f.dirty = true;\n\n // we want to be able to update this fitty\n fitties.push(f);\n };\n\n var destroy = function destroy(f) {\n return function () {\n\n // remove from fitties array\n fitties = fitties.filter(function (_) {\n return _.element !== f.element;\n });\n\n // stop observing DOM\n if (f.observeMutations) f.observer.disconnect();\n\n // reset the CSS properties we changes\n f.element.style.whiteSpace = f.originalStyle.whiteSpace;\n f.element.style.display = f.originalStyle.display;\n f.element.style.fontSize = f.originalStyle.fontSize;\n };\n };\n\n // add a new fitty, does not redraw said fitty\n var subscribe = function subscribe(f) {\n return function () {\n if (f.active) return;\n f.active = true;\n requestRedraw();\n };\n };\n\n // remove an existing fitty\n var unsubscribe = function unsubscribe(f) {\n return function () {\n return f.active = false;\n };\n };\n\n var observeMutations = function observeMutations(f) {\n\n // no observing?\n if (!f.observeMutations) return;\n\n // start observing mutations\n f.observer = new MutationObserver(fit(f, DrawState.DIRTY_CONTENT));\n\n // start observing\n f.observer.observe(f.element, f.observeMutations);\n };\n\n // default mutation observer settings\n var mutationObserverDefaultSetting = {\n subtree: true,\n childList: true,\n characterData: true\n };\n\n // default fitty options\n var defaultOptions = {\n minSize: 16,\n maxSize: 512,\n multiLine: true,\n observeMutations: 'MutationObserver' in w ? mutationObserverDefaultSetting : false\n };\n\n // array of elements in, fitty instances out\n function fittyCreate(elements, options) {\n\n // set options object\n var fittyOptions = _extends({}, defaultOptions, options);\n\n // create fitties\n var publicFitties = elements.map(function (element) {\n\n // create fitty instance\n var f = _extends({}, fittyOptions, {\n\n // internal options for this fitty\n element: element,\n active: true\n });\n\n // initialise this fitty\n init(f);\n\n // expose API\n return {\n element: element,\n fit: fit(f, DrawState.DIRTY),\n unfreeze: subscribe(f),\n freeze: unsubscribe(f),\n unsubscribe: destroy(f)\n };\n });\n\n // call redraw on newly initiated fitties\n requestRedraw();\n\n // expose fitties\n return publicFitties;\n }\n\n // fitty creation function\n function fitty(target) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n\n\n // if target is a string\n return typeof target === 'string' ?\n\n // treat it as a querySelector\n fittyCreate(toArray(document.querySelectorAll(target)), options) :\n\n // create single fitty\n fittyCreate([target], options)[0];\n }\n\n // handles viewport changes, redraws all fitties, but only does so after a timeout\n var resizeDebounce = null;\n var onWindowResized = function onWindowResized() {\n w.clearTimeout(resizeDebounce);\n resizeDebounce = w.setTimeout(redrawAll(DrawState.DIRTY_LAYOUT), fitty.observeWindowDelay);\n };\n\n // define observe window property, so when we set it to true or false events are automatically added and removed\n var events = ['resize', 'orientationchange'];\n Object.defineProperty(fitty, 'observeWindow', {\n set: function set(enabled) {\n var method = (enabled ? 'add' : 'remove') + 'EventListener';\n events.forEach(function (e) {\n w[method](e, onWindowResized);\n });\n }\n });\n\n // fitty global properties (by setting observeWindow to true the events above get added)\n fitty.observeWindow = true;\n fitty.observeWindowDelay = 100;\n\n // public fit all method, will force redraw no matter what\n fitty.fitAll = redrawAll(DrawState.DIRTY);\n\n // export our fitty function, we don't want to keep it to our selves\n return fitty;\n}(typeof window === 'undefined' ? null : window);","import { extend, queryAll, closest, getMimeTypeFromFile } from '../utils/util.js'\nimport { isMobile } from '../utils/device.js'\n\nimport fitty from 'fitty';\n\n/**\n * Handles loading, unloading and playback of slide\n * content such as images, videos and iframes.\n */\nexport default class SlideContent {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t\tthis.startEmbeddedIframe = this.startEmbeddedIframe.bind( this );\n\n\t}\n\n\t/**\n\t * Should the given element be preloaded?\n\t * Decides based on local element attributes and global config.\n\t *\n\t * @param {HTMLElement} element\n\t */\n\tshouldPreload( element ) {\n\n\t\t// Prefer an explicit global preload setting\n\t\tlet preload = this.Reveal.getConfig().preloadIframes;\n\n\t\t// If no global setting is available, fall back on the element's\n\t\t// own preload setting\n\t\tif( typeof preload !== 'boolean' ) {\n\t\t\tpreload = element.hasAttribute( 'data-preload' );\n\t\t}\n\n\t\treturn preload;\n\t}\n\n\t/**\n\t * Called when the given slide is within the configured view\n\t * distance. Shows the slide element and loads any content\n\t * that is set to load lazily (data-src).\n\t *\n\t * @param {HTMLElement} slide Slide to show\n\t */\n\tload( slide, options = {} ) {\n\n\t\t// Show the slide element\n\t\tslide.style.display = this.Reveal.getConfig().display;\n\n\t\t// Media elements with data-src attributes\n\t\tqueryAll( slide, 'img[data-src], video[data-src], audio[data-src], iframe[data-src]' ).forEach( element => {\n\t\t\tif( element.tagName !== 'IFRAME' || this.shouldPreload( element ) ) {\n\t\t\t\telement.setAttribute( 'src', element.getAttribute( 'data-src' ) );\n\t\t\t\telement.setAttribute( 'data-lazy-loaded', '' );\n\t\t\t\telement.removeAttribute( 'data-src' );\n\t\t\t}\n\t\t} );\n\n\t\t// Media elements with children\n\t\tqueryAll( slide, 'video, audio' ).forEach( media => {\n\t\t\tlet sources = 0;\n\n\t\t\tqueryAll( media, 'source[data-src]' ).forEach( source => {\n\t\t\t\tsource.setAttribute( 'src', source.getAttribute( 'data-src' ) );\n\t\t\t\tsource.removeAttribute( 'data-src' );\n\t\t\t\tsource.setAttribute( 'data-lazy-loaded', '' );\n\t\t\t\tsources += 1;\n\t\t\t} );\n\n\t\t\t// Enable inline video playback in mobile Safari\n\t\t\tif( isMobile && media.tagName === 'VIDEO' ) {\n\t\t\t\tmedia.setAttribute( 'playsinline', '' );\n\t\t\t}\n\n\t\t\t// If we rewrote sources for this video/audio element, we need\n\t\t\t// to manually tell it to load from its new origin\n\t\t\tif( sources > 0 ) {\n\t\t\t\tmedia.load();\n\t\t\t}\n\t\t} );\n\n\n\t\t// Show the corresponding background element\n\t\tlet background = slide.slideBackgroundElement;\n\t\tif( background ) {\n\t\t\tbackground.style.display = 'block';\n\n\t\t\tlet backgroundContent = slide.slideBackgroundContentElement;\n\t\t\tlet backgroundIframe = slide.getAttribute( 'data-background-iframe' );\n\n\t\t\t// If the background contains media, load it\n\t\t\tif( background.hasAttribute( 'data-loaded' ) === false ) {\n\t\t\t\tbackground.setAttribute( 'data-loaded', 'true' );\n\n\t\t\t\tlet backgroundImage = slide.getAttribute( 'data-background-image' ),\n\t\t\t\t\tbackgroundVideo = slide.getAttribute( 'data-background-video' ),\n\t\t\t\t\tbackgroundVideoLoop = slide.hasAttribute( 'data-background-video-loop' ),\n\t\t\t\t\tbackgroundVideoMuted = slide.hasAttribute( 'data-background-video-muted' );\n\n\t\t\t\t// Images\n\t\t\t\tif( backgroundImage ) {\n\t\t\t\t\t// base64\n\t\t\t\t\tif( /^data:/.test( backgroundImage.trim() ) ) {\n\t\t\t\t\t\tbackgroundContent.style.backgroundImage = `url(${backgroundImage.trim()})`;\n\t\t\t\t\t}\n\t\t\t\t\t// URL(s)\n\t\t\t\t\telse {\n\t\t\t\t\t\tbackgroundContent.style.backgroundImage = backgroundImage.split( ',' ).map( background => {\n\t\t\t\t\t\t\treturn `url(${encodeURI(background.trim())})`;\n\t\t\t\t\t\t}).join( ',' );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\t// Videos\n\t\t\t\telse if ( backgroundVideo && !this.Reveal.isSpeakerNotes() ) {\n\t\t\t\t\tlet video = document.createElement( 'video' );\n\n\t\t\t\t\tif( backgroundVideoLoop ) {\n\t\t\t\t\t\tvideo.setAttribute( 'loop', '' );\n\t\t\t\t\t}\n\n\t\t\t\t\tif( backgroundVideoMuted ) {\n\t\t\t\t\t\tvideo.muted = true;\n\t\t\t\t\t}\n\n\t\t\t\t\t// Enable inline playback in mobile Safari\n\t\t\t\t\t//\n\t\t\t\t\t// Mute is required for video to play when using\n\t\t\t\t\t// swipe gestures to navigate since they don't\n\t\t\t\t\t// count as direct user actions :'(\n\t\t\t\t\tif( isMobile ) {\n\t\t\t\t\t\tvideo.muted = true;\n\t\t\t\t\t\tvideo.setAttribute( 'playsinline', '' );\n\t\t\t\t\t}\n\n\t\t\t\t\t// Support comma separated lists of video sources\n\t\t\t\t\tbackgroundVideo.split( ',' ).forEach( source => {\n\t\t\t\t\t\tlet type = getMimeTypeFromFile( source );\n\t\t\t\t\t\tif( type ) {\n\t\t\t\t\t\t\tvideo.innerHTML += ``;\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\tvideo.innerHTML += ``;\n\t\t\t\t\t\t}\n\t\t\t\t\t} );\n\n\t\t\t\t\tbackgroundContent.appendChild( video );\n\t\t\t\t}\n\t\t\t\t// Iframes\n\t\t\t\telse if( backgroundIframe && options.excludeIframes !== true ) {\n\t\t\t\t\tlet iframe = document.createElement( 'iframe' );\n\t\t\t\t\tiframe.setAttribute( 'allowfullscreen', '' );\n\t\t\t\t\tiframe.setAttribute( 'mozallowfullscreen', '' );\n\t\t\t\t\tiframe.setAttribute( 'webkitallowfullscreen', '' );\n\t\t\t\t\tiframe.setAttribute( 'allow', 'autoplay' );\n\n\t\t\t\t\tiframe.setAttribute( 'data-src', backgroundIframe );\n\n\t\t\t\t\tiframe.style.width = '100%';\n\t\t\t\t\tiframe.style.height = '100%';\n\t\t\t\t\tiframe.style.maxHeight = '100%';\n\t\t\t\t\tiframe.style.maxWidth = '100%';\n\n\t\t\t\t\tbackgroundContent.appendChild( iframe );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Start loading preloadable iframes\n\t\t\tlet backgroundIframeElement = backgroundContent.querySelector( 'iframe[data-src]' );\n\t\t\tif( backgroundIframeElement ) {\n\n\t\t\t\t// Check if this iframe is eligible to be preloaded\n\t\t\t\tif( this.shouldPreload( background ) && !/autoplay=(1|true|yes)/gi.test( backgroundIframe ) ) {\n\t\t\t\t\tif( backgroundIframeElement.getAttribute( 'src' ) !== backgroundIframe ) {\n\t\t\t\t\t\tbackgroundIframeElement.setAttribute( 'src', backgroundIframe );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.layout( slide );\n\n\t}\n\n\t/**\n\t * Applies JS-dependent layout helpers for the given slide,\n\t * if there are any.\n\t */\n\tlayout( slide ) {\n\n\t\t// Autosize text with the r-fit-text class based on the\n\t\t// size of its container. This needs to happen after the\n\t\t// slide is visible in order to measure the text.\n\t\tArray.from( slide.querySelectorAll( '.r-fit-text' ) ).forEach( element => {\n\t\t\tfitty( element, {\n\t\t\t\tminSize: 24,\n\t\t\t\tmaxSize: this.Reveal.getConfig().height * 0.8,\n\t\t\t\tobserveMutations: false,\n\t\t\t\tobserveWindow: false\n\t\t\t} );\n\t\t} );\n\n\t}\n\n\t/**\n\t * Unloads and hides the given slide. This is called when the\n\t * slide is moved outside of the configured view distance.\n\t *\n\t * @param {HTMLElement} slide\n\t */\n\tunload( slide ) {\n\n\t\t// Hide the slide element\n\t\tslide.style.display = 'none';\n\n\t\t// Hide the corresponding background element\n\t\tlet background = this.Reveal.getSlideBackground( slide );\n\t\tif( background ) {\n\t\t\tbackground.style.display = 'none';\n\n\t\t\t// Unload any background iframes\n\t\t\tqueryAll( background, 'iframe[src]' ).forEach( element => {\n\t\t\t\telement.removeAttribute( 'src' );\n\t\t\t} );\n\t\t}\n\n\t\t// Reset lazy-loaded media elements with src attributes\n\t\tqueryAll( slide, 'video[data-lazy-loaded][src], audio[data-lazy-loaded][src], iframe[data-lazy-loaded][src]' ).forEach( element => {\n\t\t\telement.setAttribute( 'data-src', element.getAttribute( 'src' ) );\n\t\t\telement.removeAttribute( 'src' );\n\t\t} );\n\n\t\t// Reset lazy-loaded media elements with children\n\t\tqueryAll( slide, 'video[data-lazy-loaded] source[src], audio source[src]' ).forEach( source => {\n\t\t\tsource.setAttribute( 'data-src', source.getAttribute( 'src' ) );\n\t\t\tsource.removeAttribute( 'src' );\n\t\t} );\n\n\t}\n\n\t/**\n\t * Enforces origin-specific format rules for embedded media.\n\t */\n\tformatEmbeddedContent() {\n\n\t\tlet _appendParamToIframeSource = ( sourceAttribute, sourceURL, param ) => {\n\t\t\tqueryAll( this.Reveal.getSlidesElement(), 'iframe['+ sourceAttribute +'*=\"'+ sourceURL +'\"]' ).forEach( el => {\n\t\t\t\tlet src = el.getAttribute( sourceAttribute );\n\t\t\t\tif( src && src.indexOf( param ) === -1 ) {\n\t\t\t\t\tel.setAttribute( sourceAttribute, src + ( !/\\?/.test( src ) ? '?' : '&' ) + param );\n\t\t\t\t}\n\t\t\t});\n\t\t};\n\n\t\t// YouTube frames must include \"?enablejsapi=1\"\n\t\t_appendParamToIframeSource( 'src', 'youtube.com/embed/', 'enablejsapi=1' );\n\t\t_appendParamToIframeSource( 'data-src', 'youtube.com/embed/', 'enablejsapi=1' );\n\n\t\t// Vimeo frames must include \"?api=1\"\n\t\t_appendParamToIframeSource( 'src', 'player.vimeo.com/', 'api=1' );\n\t\t_appendParamToIframeSource( 'data-src', 'player.vimeo.com/', 'api=1' );\n\n\t}\n\n\t/**\n\t * Start playback of any embedded content inside of\n\t * the given element.\n\t *\n\t * @param {HTMLElement} element\n\t */\n\tstartEmbeddedContent( element ) {\n\n\t\tif( element && !this.Reveal.isSpeakerNotes() ) {\n\n\t\t\t// Restart GIFs\n\t\t\tqueryAll( element, 'img[src$=\".gif\"]' ).forEach( el => {\n\t\t\t\t// Setting the same unchanged source like this was confirmed\n\t\t\t\t// to work in Chrome, FF & Safari\n\t\t\t\tel.setAttribute( 'src', el.getAttribute( 'src' ) );\n\t\t\t} );\n\n\t\t\t// HTML5 media elements\n\t\t\tqueryAll( element, 'video, audio' ).forEach( el => {\n\t\t\t\tif( closest( el, '.fragment' ) && !closest( el, '.fragment.visible' ) ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\t// Prefer an explicit global autoplay setting\n\t\t\t\tlet autoplay = this.Reveal.getConfig().autoPlayMedia;\n\n\t\t\t\t// If no global setting is available, fall back on the element's\n\t\t\t\t// own autoplay setting\n\t\t\t\tif( typeof autoplay !== 'boolean' ) {\n\t\t\t\t\tautoplay = el.hasAttribute( 'data-autoplay' ) || !!closest( el, '.slide-background' );\n\t\t\t\t}\n\n\t\t\t\tif( autoplay && typeof el.play === 'function' ) {\n\n\t\t\t\t\t// If the media is ready, start playback\n\t\t\t\t\tif( el.readyState > 1 ) {\n\t\t\t\t\t\tthis.startEmbeddedMedia( { target: el } );\n\t\t\t\t\t}\n\t\t\t\t\t// Mobile devices never fire a loaded event so instead\n\t\t\t\t\t// of waiting, we initiate playback\n\t\t\t\t\telse if( isMobile ) {\n\t\t\t\t\t\tlet promise = el.play();\n\n\t\t\t\t\t\t// If autoplay does not work, ensure that the controls are visible so\n\t\t\t\t\t\t// that the viewer can start the media on their own\n\t\t\t\t\t\tif( promise && typeof promise.catch === 'function' && el.controls === false ) {\n\t\t\t\t\t\t\tpromise.catch( () => {\n\t\t\t\t\t\t\t\tel.controls = true;\n\n\t\t\t\t\t\t\t\t// Once the video does start playing, hide the controls again\n\t\t\t\t\t\t\t\tel.addEventListener( 'play', () => {\n\t\t\t\t\t\t\t\t\tel.controls = false;\n\t\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\t// If the media isn't loaded, wait before playing\n\t\t\t\t\telse {\n\t\t\t\t\t\tel.removeEventListener( 'loadeddata', this.startEmbeddedMedia ); // remove first to avoid dupes\n\t\t\t\t\t\tel.addEventListener( 'loadeddata', this.startEmbeddedMedia );\n\t\t\t\t\t}\n\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\t// Normal iframes\n\t\t\tqueryAll( element, 'iframe[src]' ).forEach( el => {\n\t\t\t\tif( closest( el, '.fragment' ) && !closest( el, '.fragment.visible' ) ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tthis.startEmbeddedIframe( { target: el } );\n\t\t\t} );\n\n\t\t\t// Lazy loading iframes\n\t\t\tqueryAll( element, 'iframe[data-src]' ).forEach( el => {\n\t\t\t\tif( closest( el, '.fragment' ) && !closest( el, '.fragment.visible' ) ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tif( el.getAttribute( 'src' ) !== el.getAttribute( 'data-src' ) ) {\n\t\t\t\t\tel.removeEventListener( 'load', this.startEmbeddedIframe ); // remove first to avoid dupes\n\t\t\t\t\tel.addEventListener( 'load', this.startEmbeddedIframe );\n\t\t\t\t\tel.setAttribute( 'src', el.getAttribute( 'data-src' ) );\n\t\t\t\t}\n\t\t\t} );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Starts playing an embedded video/audio element after\n\t * it has finished loading.\n\t *\n\t * @param {object} event\n\t */\n\tstartEmbeddedMedia( event ) {\n\n\t\tlet isAttachedToDOM = !!closest( event.target, 'html' ),\n\t\t\tisVisible \t\t= !!closest( event.target, '.present' );\n\n\t\tif( isAttachedToDOM && isVisible ) {\n\t\t\tevent.target.currentTime = 0;\n\t\t\tevent.target.play();\n\t\t}\n\n\t\tevent.target.removeEventListener( 'loadeddata', this.startEmbeddedMedia );\n\n\t}\n\n\t/**\n\t * \"Starts\" the content of an embedded iframe using the\n\t * postMessage API.\n\t *\n\t * @param {object} event\n\t */\n\tstartEmbeddedIframe( event ) {\n\n\t\tlet iframe = event.target;\n\n\t\tif( iframe && iframe.contentWindow ) {\n\n\t\t\tlet isAttachedToDOM = !!closest( event.target, 'html' ),\n\t\t\t\tisVisible \t\t= !!closest( event.target, '.present' );\n\n\t\t\tif( isAttachedToDOM && isVisible ) {\n\n\t\t\t\t// Prefer an explicit global autoplay setting\n\t\t\t\tlet autoplay = this.Reveal.getConfig().autoPlayMedia;\n\n\t\t\t\t// If no global setting is available, fall back on the element's\n\t\t\t\t// own autoplay setting\n\t\t\t\tif( typeof autoplay !== 'boolean' ) {\n\t\t\t\t\tautoplay = iframe.hasAttribute( 'data-autoplay' ) || !!closest( iframe, '.slide-background' );\n\t\t\t\t}\n\n\t\t\t\t// YouTube postMessage API\n\t\t\t\tif( /youtube\\.com\\/embed\\//.test( iframe.getAttribute( 'src' ) ) && autoplay ) {\n\t\t\t\t\tiframe.contentWindow.postMessage( '{\"event\":\"command\",\"func\":\"playVideo\",\"args\":\"\"}', '*' );\n\t\t\t\t}\n\t\t\t\t// Vimeo postMessage API\n\t\t\t\telse if( /player\\.vimeo\\.com\\//.test( iframe.getAttribute( 'src' ) ) && autoplay ) {\n\t\t\t\t\tiframe.contentWindow.postMessage( '{\"method\":\"play\"}', '*' );\n\t\t\t\t}\n\t\t\t\t// Generic postMessage API\n\t\t\t\telse {\n\t\t\t\t\tiframe.contentWindow.postMessage( 'slide:start', '*' );\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Stop playback of any embedded content inside of\n\t * the targeted slide.\n\t *\n\t * @param {HTMLElement} element\n\t */\n\tstopEmbeddedContent( element, options = {} ) {\n\n\t\toptions = extend( {\n\t\t\t// Defaults\n\t\t\tunloadIframes: true\n\t\t}, options );\n\n\t\tif( element && element.parentNode ) {\n\t\t\t// HTML5 media elements\n\t\t\tqueryAll( element, 'video, audio' ).forEach( el => {\n\t\t\t\tif( !el.hasAttribute( 'data-ignore' ) && typeof el.pause === 'function' ) {\n\t\t\t\t\tel.setAttribute('data-paused-by-reveal', '');\n\t\t\t\t\tel.pause();\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\t// Generic postMessage API for non-lazy loaded iframes\n\t\t\tqueryAll( element, 'iframe' ).forEach( el => {\n\t\t\t\tif( el.contentWindow ) el.contentWindow.postMessage( 'slide:stop', '*' );\n\t\t\t\tel.removeEventListener( 'load', this.startEmbeddedIframe );\n\t\t\t});\n\n\t\t\t// YouTube postMessage API\n\t\t\tqueryAll( element, 'iframe[src*=\"youtube.com/embed/\"]' ).forEach( el => {\n\t\t\t\tif( !el.hasAttribute( 'data-ignore' ) && el.contentWindow && typeof el.contentWindow.postMessage === 'function' ) {\n\t\t\t\t\tel.contentWindow.postMessage( '{\"event\":\"command\",\"func\":\"pauseVideo\",\"args\":\"\"}', '*' );\n\t\t\t\t}\n\t\t\t});\n\n\t\t\t// Vimeo postMessage API\n\t\t\tqueryAll( element, 'iframe[src*=\"player.vimeo.com/\"]' ).forEach( el => {\n\t\t\t\tif( !el.hasAttribute( 'data-ignore' ) && el.contentWindow && typeof el.contentWindow.postMessage === 'function' ) {\n\t\t\t\t\tel.contentWindow.postMessage( '{\"method\":\"pause\"}', '*' );\n\t\t\t\t}\n\t\t\t});\n\n\t\t\tif( options.unloadIframes === true ) {\n\t\t\t\t// Unload lazy-loaded iframes\n\t\t\t\tqueryAll( element, 'iframe[data-src]' ).forEach( el => {\n\t\t\t\t\t// Only removing the src doesn't actually unload the frame\n\t\t\t\t\t// in all browsers (Firefox) so we set it to blank first\n\t\t\t\t\tel.setAttribute( 'src', 'about:blank' );\n\t\t\t\t\tel.removeAttribute( 'src' );\n\t\t\t\t} );\n\t\t\t}\n\t\t}\n\n\t}\n\n}\n","/**\n * Handles the display of reveal.js' optional slide number.\n */\nexport default class SlideNumber {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t}\n\n\trender() {\n\n\t\tthis.element = document.createElement( 'div' );\n\t\tthis.element.className = 'slide-number';\n\t\tthis.Reveal.getRevealElement().appendChild( this.element );\n\n\t}\n\n\t/**\n\t * Called when the reveal.js config is updated.\n\t */\n\tconfigure( config, oldConfig ) {\n\n\t\tlet slideNumberDisplay = 'none';\n\t\tif( config.slideNumber && !this.Reveal.isPrintingPDF() ) {\n\t\t\tif( config.showSlideNumber === 'all' ) {\n\t\t\t\tslideNumberDisplay = 'block';\n\t\t\t}\n\t\t\telse if( config.showSlideNumber === 'speaker' && this.Reveal.isSpeakerNotes() ) {\n\t\t\t\tslideNumberDisplay = 'block';\n\t\t\t}\n\t\t}\n\n\t\tthis.element.style.display = slideNumberDisplay;\n\n\t}\n\n\t/**\n\t * Updates the slide number to match the current slide.\n\t */\n\tupdate() {\n\n\t\t// Update slide number if enabled\n\t\tif( this.Reveal.getConfig().slideNumber && this.element ) {\n\t\t\tthis.element.innerHTML = this.getSlideNumber();\n\t\t}\n\n\t}\n\n\t/**\n\t * Returns the HTML string corresponding to the current slide\n\t * number, including formatting.\n\t */\n\tgetSlideNumber( slide = this.Reveal.getCurrentSlide() ) {\n\n\t\tlet config = this.Reveal.getConfig();\n\t\tlet value;\n\t\tlet format = 'h.v';\n\n\t\tif ( typeof config.slideNumber === 'function' ) {\n\t\t\tvalue = config.slideNumber( slide );\n\t\t} else {\n\t\t\t// Check if a custom number format is available\n\t\t\tif( typeof config.slideNumber === 'string' ) {\n\t\t\t\tformat = config.slideNumber;\n\t\t\t}\n\n\t\t\t// If there are ONLY vertical slides in this deck, always use\n\t\t\t// a flattened slide number\n\t\t\tif( !/c/.test( format ) && this.Reveal.getHorizontalSlides().length === 1 ) {\n\t\t\t\tformat = 'c';\n\t\t\t}\n\n\t\t\t// Offset the current slide number by 1 to make it 1-indexed\n\t\t\tlet horizontalOffset = slide && slide.dataset.visibility === 'uncounted' ? 0 : 1;\n\n\t\t\tvalue = [];\n\t\t\tswitch( format ) {\n\t\t\t\tcase 'c':\n\t\t\t\t\tvalue.push( this.Reveal.getSlidePastCount( slide ) + horizontalOffset );\n\t\t\t\t\tbreak;\n\t\t\t\tcase 'c/t':\n\t\t\t\t\tvalue.push( this.Reveal.getSlidePastCount( slide ) + horizontalOffset, '/', this.Reveal.getTotalSlides() );\n\t\t\t\t\tbreak;\n\t\t\t\tdefault:\n\t\t\t\t\tlet indices = this.Reveal.getIndices( slide );\n\t\t\t\t\tvalue.push( indices.h + horizontalOffset );\n\t\t\t\t\tlet sep = format === 'h/v' ? '/' : '.';\n\t\t\t\t\tif( this.Reveal.isVerticalSlide( slide ) ) value.push( sep, indices.v + 1 );\n\t\t\t}\n\t\t}\n\n\t\tlet url = '#' + this.Reveal.location.getHash( slide );\n\t\treturn this.formatNumber( value[0], value[1], value[2], url );\n\n\t}\n\n\t/**\n\t * Applies HTML formatting to a slide number before it's\n\t * written to the DOM.\n\t *\n\t * @param {number} a Current slide\n\t * @param {string} delimiter Character to separate slide numbers\n\t * @param {(number|*)} b Total slides\n\t * @param {HTMLElement} [url='#'+locationHash()] The url to link to\n\t * @return {string} HTML string fragment\n\t */\n\tformatNumber( a, delimiter, b, url = '#' + this.Reveal.location.getHash() ) {\n\n\t\tif( typeof b === 'number' && !isNaN( b ) ) {\n\t\t\treturn `\n\t\t\t\t\t${a}\n\t\t\t\t\t${delimiter}\n\t\t\t\t\t${b}\n\t\t\t\t\t`;\n\t\t}\n\t\telse {\n\t\t\treturn `\n\t\t\t\t\t${a}\n\t\t\t\t\t`;\n\t\t}\n\n\t}\n\n\tdestroy() {\n\n\t\tthis.element.remove();\n\n\t}\n\n}","/**\n * Converts various color input formats to an {r:0,g:0,b:0} object.\n *\n * @param {string} color The string representation of a color\n * @example\n * colorToRgb('#000');\n * @example\n * colorToRgb('#000000');\n * @example\n * colorToRgb('rgb(0,0,0)');\n * @example\n * colorToRgb('rgba(0,0,0)');\n *\n * @return {{r: number, g: number, b: number, [a]: number}|null}\n */\nexport const colorToRgb = ( color ) => {\n\n\tlet hex3 = color.match( /^#([0-9a-f]{3})$/i );\n\tif( hex3 && hex3[1] ) {\n\t\thex3 = hex3[1];\n\t\treturn {\n\t\t\tr: parseInt( hex3.charAt( 0 ), 16 ) * 0x11,\n\t\t\tg: parseInt( hex3.charAt( 1 ), 16 ) * 0x11,\n\t\t\tb: parseInt( hex3.charAt( 2 ), 16 ) * 0x11\n\t\t};\n\t}\n\n\tlet hex6 = color.match( /^#([0-9a-f]{6})$/i );\n\tif( hex6 && hex6[1] ) {\n\t\thex6 = hex6[1];\n\t\treturn {\n\t\t\tr: parseInt( hex6.slice( 0, 2 ), 16 ),\n\t\t\tg: parseInt( hex6.slice( 2, 4 ), 16 ),\n\t\t\tb: parseInt( hex6.slice( 4, 6 ), 16 )\n\t\t};\n\t}\n\n\tlet rgb = color.match( /^rgb\\s*\\(\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*\\)$/i );\n\tif( rgb ) {\n\t\treturn {\n\t\t\tr: parseInt( rgb[1], 10 ),\n\t\t\tg: parseInt( rgb[2], 10 ),\n\t\t\tb: parseInt( rgb[3], 10 )\n\t\t};\n\t}\n\n\tlet rgba = color.match( /^rgba\\s*\\(\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*\\,\\s*([\\d]+|[\\d]*.[\\d]+)\\s*\\)$/i );\n\tif( rgba ) {\n\t\treturn {\n\t\t\tr: parseInt( rgba[1], 10 ),\n\t\t\tg: parseInt( rgba[2], 10 ),\n\t\t\tb: parseInt( rgba[3], 10 ),\n\t\t\ta: parseFloat( rgba[4] )\n\t\t};\n\t}\n\n\treturn null;\n\n}\n\n/**\n * Calculates brightness on a scale of 0-255.\n *\n * @param {string} color See colorToRgb for supported formats.\n * @see {@link colorToRgb}\n */\nexport const colorBrightness = ( color ) => {\n\n\tif( typeof color === 'string' ) color = colorToRgb( color );\n\n\tif( color ) {\n\t\treturn ( color.r * 299 + color.g * 587 + color.b * 114 ) / 1000;\n\t}\n\n\treturn null;\n\n}","import { queryAll } from '../utils/util.js'\nimport { colorToRgb, colorBrightness } from '../utils/color.js'\n\n/**\n * Creates and updates slide backgrounds.\n */\nexport default class Backgrounds {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t}\n\n\trender() {\n\n\t\tthis.element = document.createElement( 'div' );\n\t\tthis.element.className = 'backgrounds';\n\t\tthis.Reveal.getRevealElement().appendChild( this.element );\n\n\t}\n\n\t/**\n\t * Creates the slide background elements and appends them\n\t * to the background container. One element is created per\n\t * slide no matter if the given slide has visible background.\n\t */\n\tcreate() {\n\n\t\t// Clear prior backgrounds\n\t\tthis.element.innerHTML = '';\n\t\tthis.element.classList.add( 'no-transition' );\n\n\t\t// Iterate over all horizontal slides\n\t\tthis.Reveal.getHorizontalSlides().forEach( slideh => {\n\n\t\t\tlet backgroundStack = this.createBackground( slideh, this.element );\n\n\t\t\t// Iterate over all vertical slides\n\t\t\tqueryAll( slideh, 'section' ).forEach( slidev => {\n\n\t\t\t\tthis.createBackground( slidev, backgroundStack );\n\n\t\t\t\tbackgroundStack.classList.add( 'stack' );\n\n\t\t\t} );\n\n\t\t} );\n\n\t\t// Add parallax background if specified\n\t\tif( this.Reveal.getConfig().parallaxBackgroundImage ) {\n\n\t\t\tthis.element.style.backgroundImage = 'url(\"' + this.Reveal.getConfig().parallaxBackgroundImage + '\")';\n\t\t\tthis.element.style.backgroundSize = this.Reveal.getConfig().parallaxBackgroundSize;\n\t\t\tthis.element.style.backgroundRepeat = this.Reveal.getConfig().parallaxBackgroundRepeat;\n\t\t\tthis.element.style.backgroundPosition = this.Reveal.getConfig().parallaxBackgroundPosition;\n\n\t\t\t// Make sure the below properties are set on the element - these properties are\n\t\t\t// needed for proper transitions to be set on the element via CSS. To remove\n\t\t\t// annoying background slide-in effect when the presentation starts, apply\n\t\t\t// these properties after short time delay\n\t\t\tsetTimeout( () => {\n\t\t\t\tthis.Reveal.getRevealElement().classList.add( 'has-parallax-background' );\n\t\t\t}, 1 );\n\n\t\t}\n\t\telse {\n\n\t\t\tthis.element.style.backgroundImage = '';\n\t\t\tthis.Reveal.getRevealElement().classList.remove( 'has-parallax-background' );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Creates a background for the given slide.\n\t *\n\t * @param {HTMLElement} slide\n\t * @param {HTMLElement} container The element that the background\n\t * should be appended to\n\t * @return {HTMLElement} New background div\n\t */\n\tcreateBackground( slide, container ) {\n\n\t\t// Main slide background element\n\t\tlet element = document.createElement( 'div' );\n\t\telement.className = 'slide-background ' + slide.className.replace( /present|past|future/, '' );\n\n\t\t// Inner background element that wraps images/videos/iframes\n\t\tlet contentElement = document.createElement( 'div' );\n\t\tcontentElement.className = 'slide-background-content';\n\n\t\telement.appendChild( contentElement );\n\t\tcontainer.appendChild( element );\n\n\t\tslide.slideBackgroundElement = element;\n\t\tslide.slideBackgroundContentElement = contentElement;\n\n\t\t// Syncs the background to reflect all current background settings\n\t\tthis.sync( slide );\n\n\t\treturn element;\n\n\t}\n\n\t/**\n\t * Renders all of the visual properties of a slide background\n\t * based on the various background attributes.\n\t *\n\t * @param {HTMLElement} slide\n\t */\n\tsync( slide ) {\n\n\t\tconst element = slide.slideBackgroundElement,\n\t\t\tcontentElement = slide.slideBackgroundContentElement;\n\n\t\tconst data = {\n\t\t\tbackground: slide.getAttribute( 'data-background' ),\n\t\t\tbackgroundSize: slide.getAttribute( 'data-background-size' ),\n\t\t\tbackgroundImage: slide.getAttribute( 'data-background-image' ),\n\t\t\tbackgroundVideo: slide.getAttribute( 'data-background-video' ),\n\t\t\tbackgroundIframe: slide.getAttribute( 'data-background-iframe' ),\n\t\t\tbackgroundColor: slide.getAttribute( 'data-background-color' ),\n\t\t\tbackgroundRepeat: slide.getAttribute( 'data-background-repeat' ),\n\t\t\tbackgroundPosition: slide.getAttribute( 'data-background-position' ),\n\t\t\tbackgroundTransition: slide.getAttribute( 'data-background-transition' ),\n\t\t\tbackgroundOpacity: slide.getAttribute( 'data-background-opacity' ),\n\t\t};\n\n\t\tconst dataPreload = slide.hasAttribute( 'data-preload' );\n\n\t\t// Reset the prior background state in case this is not the\n\t\t// initial sync\n\t\tslide.classList.remove( 'has-dark-background' );\n\t\tslide.classList.remove( 'has-light-background' );\n\n\t\telement.removeAttribute( 'data-loaded' );\n\t\telement.removeAttribute( 'data-background-hash' );\n\t\telement.removeAttribute( 'data-background-size' );\n\t\telement.removeAttribute( 'data-background-transition' );\n\t\telement.style.backgroundColor = '';\n\n\t\tcontentElement.style.backgroundSize = '';\n\t\tcontentElement.style.backgroundRepeat = '';\n\t\tcontentElement.style.backgroundPosition = '';\n\t\tcontentElement.style.backgroundImage = '';\n\t\tcontentElement.style.opacity = '';\n\t\tcontentElement.innerHTML = '';\n\n\t\tif( data.background ) {\n\t\t\t// Auto-wrap image urls in url(...)\n\t\t\tif( /^(http|file|\\/\\/)/gi.test( data.background ) || /\\.(svg|png|jpg|jpeg|gif|bmp)([?#\\s]|$)/gi.test( data.background ) ) {\n\t\t\t\tslide.setAttribute( 'data-background-image', data.background );\n\t\t\t}\n\t\t\telse {\n\t\t\t\telement.style.background = data.background;\n\t\t\t}\n\t\t}\n\n\t\t// Create a hash for this combination of background settings.\n\t\t// This is used to determine when two slide backgrounds are\n\t\t// the same.\n\t\tif( data.background || data.backgroundColor || data.backgroundImage || data.backgroundVideo || data.backgroundIframe ) {\n\t\t\telement.setAttribute( 'data-background-hash', data.background +\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tdata.backgroundSize +\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tdata.backgroundImage +\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tdata.backgroundVideo +\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tdata.backgroundIframe +\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tdata.backgroundColor +\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tdata.backgroundRepeat +\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tdata.backgroundPosition +\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tdata.backgroundTransition +\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tdata.backgroundOpacity );\n\t\t}\n\n\t\t// Additional and optional background properties\n\t\tif( data.backgroundSize ) element.setAttribute( 'data-background-size', data.backgroundSize );\n\t\tif( data.backgroundColor ) element.style.backgroundColor = data.backgroundColor;\n\t\tif( data.backgroundTransition ) element.setAttribute( 'data-background-transition', data.backgroundTransition );\n\n\t\tif( dataPreload ) element.setAttribute( 'data-preload', '' );\n\n\t\t// Background image options are set on the content wrapper\n\t\tif( data.backgroundSize ) contentElement.style.backgroundSize = data.backgroundSize;\n\t\tif( data.backgroundRepeat ) contentElement.style.backgroundRepeat = data.backgroundRepeat;\n\t\tif( data.backgroundPosition ) contentElement.style.backgroundPosition = data.backgroundPosition;\n\t\tif( data.backgroundOpacity ) contentElement.style.opacity = data.backgroundOpacity;\n\n\t\t// If this slide has a background color, we add a class that\n\t\t// signals if it is light or dark. If the slide has no background\n\t\t// color, no class will be added\n\t\tlet contrastColor = data.backgroundColor;\n\n\t\t// If no bg color was found, or it cannot be converted by colorToRgb, check the computed background\n\t\tif( !contrastColor || !colorToRgb( contrastColor ) ) {\n\t\t\tlet computedBackgroundStyle = window.getComputedStyle( element );\n\t\t\tif( computedBackgroundStyle && computedBackgroundStyle.backgroundColor ) {\n\t\t\t\tcontrastColor = computedBackgroundStyle.backgroundColor;\n\t\t\t}\n\t\t}\n\n\t\tif( contrastColor ) {\n\t\t\tconst rgb = colorToRgb( contrastColor );\n\n\t\t\t// Ignore fully transparent backgrounds. Some browsers return\n\t\t\t// rgba(0,0,0,0) when reading the computed background color of\n\t\t\t// an element with no background\n\t\t\tif( rgb && rgb.a !== 0 ) {\n\t\t\t\tif( colorBrightness( contrastColor ) < 128 ) {\n\t\t\t\t\tslide.classList.add( 'has-dark-background' );\n\t\t\t\t}\n\t\t\t\telse {\n\t\t\t\t\tslide.classList.add( 'has-light-background' );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t}\n\n\t/**\n\t * Updates the background elements to reflect the current\n\t * slide.\n\t *\n\t * @param {boolean} includeAll If true, the backgrounds of\n\t * all vertical slides (not just the present) will be updated.\n\t */\n\tupdate( includeAll = false ) {\n\n\t\tlet currentSlide = this.Reveal.getCurrentSlide();\n\t\tlet indices = this.Reveal.getIndices();\n\n\t\tlet currentBackground = null;\n\n\t\t// Reverse past/future classes when in RTL mode\n\t\tlet horizontalPast = this.Reveal.getConfig().rtl ? 'future' : 'past',\n\t\t\thorizontalFuture = this.Reveal.getConfig().rtl ? 'past' : 'future';\n\n\t\t// Update the classes of all backgrounds to match the\n\t\t// states of their slides (past/present/future)\n\t\tArray.from( this.element.childNodes ).forEach( ( backgroundh, h ) => {\n\n\t\t\tbackgroundh.classList.remove( 'past', 'present', 'future' );\n\n\t\t\tif( h < indices.h ) {\n\t\t\t\tbackgroundh.classList.add( horizontalPast );\n\t\t\t}\n\t\t\telse if ( h > indices.h ) {\n\t\t\t\tbackgroundh.classList.add( horizontalFuture );\n\t\t\t}\n\t\t\telse {\n\t\t\t\tbackgroundh.classList.add( 'present' );\n\n\t\t\t\t// Store a reference to the current background element\n\t\t\t\tcurrentBackground = backgroundh;\n\t\t\t}\n\n\t\t\tif( includeAll || h === indices.h ) {\n\t\t\t\tqueryAll( backgroundh, '.slide-background' ).forEach( ( backgroundv, v ) => {\n\n\t\t\t\t\tbackgroundv.classList.remove( 'past', 'present', 'future' );\n\n\t\t\t\t\tif( v < indices.v ) {\n\t\t\t\t\t\tbackgroundv.classList.add( 'past' );\n\t\t\t\t\t}\n\t\t\t\t\telse if ( v > indices.v ) {\n\t\t\t\t\t\tbackgroundv.classList.add( 'future' );\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tbackgroundv.classList.add( 'present' );\n\n\t\t\t\t\t\t// Only if this is the present horizontal and vertical slide\n\t\t\t\t\t\tif( h === indices.h ) currentBackground = backgroundv;\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\t\t\t}\n\n\t\t} );\n\n\t\t// Stop content inside of previous backgrounds\n\t\tif( this.previousBackground ) {\n\n\t\t\tthis.Reveal.slideContent.stopEmbeddedContent( this.previousBackground, { unloadIframes: !this.Reveal.slideContent.shouldPreload( this.previousBackground ) } );\n\n\t\t}\n\n\t\t// Start content in the current background\n\t\tif( currentBackground ) {\n\n\t\t\tthis.Reveal.slideContent.startEmbeddedContent( currentBackground );\n\n\t\t\tlet currentBackgroundContent = currentBackground.querySelector( '.slide-background-content' );\n\t\t\tif( currentBackgroundContent ) {\n\n\t\t\t\tlet backgroundImageURL = currentBackgroundContent.style.backgroundImage || '';\n\n\t\t\t\t// Restart GIFs (doesn't work in Firefox)\n\t\t\t\tif( /\\.gif/i.test( backgroundImageURL ) ) {\n\t\t\t\t\tcurrentBackgroundContent.style.backgroundImage = '';\n\t\t\t\t\twindow.getComputedStyle( currentBackgroundContent ).opacity;\n\t\t\t\t\tcurrentBackgroundContent.style.backgroundImage = backgroundImageURL;\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Don't transition between identical backgrounds. This\n\t\t\t// prevents unwanted flicker.\n\t\t\tlet previousBackgroundHash = this.previousBackground ? this.previousBackground.getAttribute( 'data-background-hash' ) : null;\n\t\t\tlet currentBackgroundHash = currentBackground.getAttribute( 'data-background-hash' );\n\t\t\tif( currentBackgroundHash && currentBackgroundHash === previousBackgroundHash && currentBackground !== this.previousBackground ) {\n\t\t\t\tthis.element.classList.add( 'no-transition' );\n\t\t\t}\n\n\t\t\tthis.previousBackground = currentBackground;\n\n\t\t}\n\n\t\t// If there's a background brightness flag for this slide,\n\t\t// bubble it to the .reveal container\n\t\tif( currentSlide ) {\n\t\t\t[ 'has-light-background', 'has-dark-background' ].forEach( classToBubble => {\n\t\t\t\tif( currentSlide.classList.contains( classToBubble ) ) {\n\t\t\t\t\tthis.Reveal.getRevealElement().classList.add( classToBubble );\n\t\t\t\t}\n\t\t\t\telse {\n\t\t\t\t\tthis.Reveal.getRevealElement().classList.remove( classToBubble );\n\t\t\t\t}\n\t\t\t}, this );\n\t\t}\n\n\t\t// Allow the first background to apply without transition\n\t\tsetTimeout( () => {\n\t\t\tthis.element.classList.remove( 'no-transition' );\n\t\t}, 1 );\n\n\t}\n\n\t/**\n\t * Updates the position of the parallax background based\n\t * on the current slide index.\n\t */\n\tupdateParallax() {\n\n\t\tlet indices = this.Reveal.getIndices();\n\n\t\tif( this.Reveal.getConfig().parallaxBackgroundImage ) {\n\n\t\t\tlet horizontalSlides = this.Reveal.getHorizontalSlides(),\n\t\t\t\tverticalSlides = this.Reveal.getVerticalSlides();\n\n\t\t\tlet backgroundSize = this.element.style.backgroundSize.split( ' ' ),\n\t\t\t\tbackgroundWidth, backgroundHeight;\n\n\t\t\tif( backgroundSize.length === 1 ) {\n\t\t\t\tbackgroundWidth = backgroundHeight = parseInt( backgroundSize[0], 10 );\n\t\t\t}\n\t\t\telse {\n\t\t\t\tbackgroundWidth = parseInt( backgroundSize[0], 10 );\n\t\t\t\tbackgroundHeight = parseInt( backgroundSize[1], 10 );\n\t\t\t}\n\n\t\t\tlet slideWidth = this.element.offsetWidth,\n\t\t\t\thorizontalSlideCount = horizontalSlides.length,\n\t\t\t\thorizontalOffsetMultiplier,\n\t\t\t\thorizontalOffset;\n\n\t\t\tif( typeof this.Reveal.getConfig().parallaxBackgroundHorizontal === 'number' ) {\n\t\t\t\thorizontalOffsetMultiplier = this.Reveal.getConfig().parallaxBackgroundHorizontal;\n\t\t\t}\n\t\t\telse {\n\t\t\t\thorizontalOffsetMultiplier = horizontalSlideCount > 1 ? ( backgroundWidth - slideWidth ) / ( horizontalSlideCount-1 ) : 0;\n\t\t\t}\n\n\t\t\thorizontalOffset = horizontalOffsetMultiplier * indices.h * -1;\n\n\t\t\tlet slideHeight = this.element.offsetHeight,\n\t\t\t\tverticalSlideCount = verticalSlides.length,\n\t\t\t\tverticalOffsetMultiplier,\n\t\t\t\tverticalOffset;\n\n\t\t\tif( typeof this.Reveal.getConfig().parallaxBackgroundVertical === 'number' ) {\n\t\t\t\tverticalOffsetMultiplier = this.Reveal.getConfig().parallaxBackgroundVertical;\n\t\t\t}\n\t\t\telse {\n\t\t\t\tverticalOffsetMultiplier = ( backgroundHeight - slideHeight ) / ( verticalSlideCount-1 );\n\t\t\t}\n\n\t\t\tverticalOffset = verticalSlideCount > 0 ? verticalOffsetMultiplier * indices.v : 0;\n\n\t\t\tthis.element.style.backgroundPosition = horizontalOffset + 'px ' + -verticalOffset + 'px';\n\n\t\t}\n\n\t}\n\n\tdestroy() {\n\n\t\tthis.element.remove();\n\n\t}\n\n}\n","\nexport const SLIDES_SELECTOR = '.slides section';\nexport const HORIZONTAL_SLIDES_SELECTOR = '.slides>section';\nexport const VERTICAL_SLIDES_SELECTOR = '.slides>section.present>section';\n\n// Methods that may not be invoked via the postMessage API\nexport const POST_MESSAGE_METHOD_BLACKLIST = /registerPlugin|registerKeyboardShortcut|addKeyBinding|addEventListener/;\n\n// Regex for retrieving the fragment style from a class attribute\nexport const FRAGMENT_STYLE_REGEX = /fade-(down|up|right|left|out|in-then-out|in-then-semi-out)|semi-fade-out|current-visible|shrink|grow/;","import { queryAll, extend, createStyleSheet, matches, closest } from '../utils/util.js'\nimport { FRAGMENT_STYLE_REGEX } from '../utils/constants.js'\n\n// Counter used to generate unique IDs for auto-animated elements\nlet autoAnimateCounter = 0;\n\n/**\n * Automatically animates matching elements across\n * slides with the [data-auto-animate] attribute.\n */\nexport default class AutoAnimate {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t}\n\n\t/**\n\t * Runs an auto-animation between the given slides.\n\t *\n\t * @param {HTMLElement} fromSlide\n\t * @param {HTMLElement} toSlide\n\t */\n\trun( fromSlide, toSlide ) {\n\n\t\t// Clean up after prior animations\n\t\tthis.reset();\n\n\t\tlet allSlides = this.Reveal.getSlides();\n\t\tlet toSlideIndex = allSlides.indexOf( toSlide );\n\t\tlet fromSlideIndex = allSlides.indexOf( fromSlide );\n\n\t\t// Ensure that both slides are auto-animate targets with the same data-auto-animate-id value\n\t\t// (including null if absent on both) and that data-auto-animate-restart isn't set on the\n\t\t// physically latter slide (independent of slide direction)\n\t\tif( fromSlide.hasAttribute( 'data-auto-animate' ) && toSlide.hasAttribute( 'data-auto-animate' )\n\t\t\t\t&& fromSlide.getAttribute( 'data-auto-animate-id' ) === toSlide.getAttribute( 'data-auto-animate-id' ) \n\t\t\t\t&& !( toSlideIndex > fromSlideIndex ? toSlide : fromSlide ).hasAttribute( 'data-auto-animate-restart' ) ) {\n\n\t\t\t// Create a new auto-animate sheet\n\t\t\tthis.autoAnimateStyleSheet = this.autoAnimateStyleSheet || createStyleSheet();\n\n\t\t\tlet animationOptions = this.getAutoAnimateOptions( toSlide );\n\n\t\t\t// Set our starting state\n\t\t\tfromSlide.dataset.autoAnimate = 'pending';\n\t\t\ttoSlide.dataset.autoAnimate = 'pending';\n\n\t\t\t// Flag the navigation direction, needed for fragment buildup\n\t\t\tanimationOptions.slideDirection = toSlideIndex > fromSlideIndex ? 'forward' : 'backward';\n\n\t\t\t// Inject our auto-animate styles for this transition\n\t\t\tlet css = this.getAutoAnimatableElements( fromSlide, toSlide ).map( elements => {\n\t\t\t\treturn this.autoAnimateElements( elements.from, elements.to, elements.options || {}, animationOptions, autoAnimateCounter++ );\n\t\t\t} );\n\n\t\t\t// Animate unmatched elements, if enabled\n\t\t\tif( toSlide.dataset.autoAnimateUnmatched !== 'false' && this.Reveal.getConfig().autoAnimateUnmatched === true ) {\n\n\t\t\t\t// Our default timings for unmatched elements\n\t\t\t\tlet defaultUnmatchedDuration = animationOptions.duration * 0.8,\n\t\t\t\t\tdefaultUnmatchedDelay = animationOptions.duration * 0.2;\n\n\t\t\t\tthis.getUnmatchedAutoAnimateElements( toSlide ).forEach( unmatchedElement => {\n\n\t\t\t\t\tlet unmatchedOptions = this.getAutoAnimateOptions( unmatchedElement, animationOptions );\n\t\t\t\t\tlet id = 'unmatched';\n\n\t\t\t\t\t// If there is a duration or delay set specifically for this\n\t\t\t\t\t// element our unmatched elements should adhere to those\n\t\t\t\t\tif( unmatchedOptions.duration !== animationOptions.duration || unmatchedOptions.delay !== animationOptions.delay ) {\n\t\t\t\t\t\tid = 'unmatched-' + autoAnimateCounter++;\n\t\t\t\t\t\tcss.push( `[data-auto-animate=\"running\"] [data-auto-animate-target=\"${id}\"] { transition: opacity ${unmatchedOptions.duration}s ease ${unmatchedOptions.delay}s; }` );\n\t\t\t\t\t}\n\n\t\t\t\t\tunmatchedElement.dataset.autoAnimateTarget = id;\n\n\t\t\t\t}, this );\n\n\t\t\t\t// Our default transition for unmatched elements\n\t\t\t\tcss.push( `[data-auto-animate=\"running\"] [data-auto-animate-target=\"unmatched\"] { transition: opacity ${defaultUnmatchedDuration}s ease ${defaultUnmatchedDelay}s; }` );\n\n\t\t\t}\n\n\t\t\t// Setting the whole chunk of CSS at once is the most\n\t\t\t// efficient way to do this. Using sheet.insertRule\n\t\t\t// is multiple factors slower.\n\t\t\tthis.autoAnimateStyleSheet.innerHTML = css.join( '' );\n\n\t\t\t// Start the animation next cycle\n\t\t\trequestAnimationFrame( () => {\n\t\t\t\tif( this.autoAnimateStyleSheet ) {\n\t\t\t\t\t// This forces our newly injected styles to be applied in Firefox\n\t\t\t\t\tgetComputedStyle( this.autoAnimateStyleSheet ).fontWeight;\n\n\t\t\t\t\ttoSlide.dataset.autoAnimate = 'running';\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\tthis.Reveal.dispatchEvent({\n\t\t\t\ttype: 'autoanimate',\n\t\t\t\tdata: {\n\t\t\t\t\tfromSlide,\n\t\t\t\t\ttoSlide,\n\t\t\t\t\tsheet: this.autoAnimateStyleSheet\n\t\t\t\t}\n\t\t\t});\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Rolls back all changes that we've made to the DOM so\n\t * that as part of animating.\n\t */\n\treset() {\n\n\t\t// Reset slides\n\t\tqueryAll( this.Reveal.getRevealElement(), '[data-auto-animate]:not([data-auto-animate=\"\"])' ).forEach( element => {\n\t\t\telement.dataset.autoAnimate = '';\n\t\t} );\n\n\t\t// Reset elements\n\t\tqueryAll( this.Reveal.getRevealElement(), '[data-auto-animate-target]' ).forEach( element => {\n\t\t\tdelete element.dataset.autoAnimateTarget;\n\t\t} );\n\n\t\t// Remove the animation sheet\n\t\tif( this.autoAnimateStyleSheet && this.autoAnimateStyleSheet.parentNode ) {\n\t\t\tthis.autoAnimateStyleSheet.parentNode.removeChild( this.autoAnimateStyleSheet );\n\t\t\tthis.autoAnimateStyleSheet = null;\n\t\t}\n\n\t}\n\n\t/**\n\t * Creates a FLIP animation where the `to` element starts out\n\t * in the `from` element position and animates to its original\n\t * state.\n\t *\n\t * @param {HTMLElement} from\n\t * @param {HTMLElement} to\n\t * @param {Object} elementOptions Options for this element pair\n\t * @param {Object} animationOptions Options set at the slide level\n\t * @param {String} id Unique ID that we can use to identify this\n\t * auto-animate element in the DOM\n\t */\n\tautoAnimateElements( from, to, elementOptions, animationOptions, id ) {\n\n\t\t// 'from' elements are given a data-auto-animate-target with no value,\n\t\t// 'to' elements are are given a data-auto-animate-target with an ID\n\t\tfrom.dataset.autoAnimateTarget = '';\n\t\tto.dataset.autoAnimateTarget = id;\n\n\t\t// Each element may override any of the auto-animate options\n\t\t// like transition easing, duration and delay via data-attributes\n\t\tlet options = this.getAutoAnimateOptions( to, animationOptions );\n\n\t\t// If we're using a custom element matcher the element options\n\t\t// may contain additional transition overrides\n\t\tif( typeof elementOptions.delay !== 'undefined' ) options.delay = elementOptions.delay;\n\t\tif( typeof elementOptions.duration !== 'undefined' ) options.duration = elementOptions.duration;\n\t\tif( typeof elementOptions.easing !== 'undefined' ) options.easing = elementOptions.easing;\n\n\t\tlet fromProps = this.getAutoAnimatableProperties( 'from', from, elementOptions ),\n\t\t\ttoProps = this.getAutoAnimatableProperties( 'to', to, elementOptions );\n\n\t\t// Maintain fragment visibility for matching elements when\n\t\t// we're navigating forwards, this way the viewer won't need\n\t\t// to step through the same fragments twice\n\t\tif( to.classList.contains( 'fragment' ) ) {\n\n\t\t\t// Don't auto-animate the opacity of fragments to avoid\n\t\t\t// conflicts with fragment animations\n\t\t\tdelete toProps.styles['opacity'];\n\n\t\t\tif( from.classList.contains( 'fragment' ) ) {\n\n\t\t\t\tlet fromFragmentStyle = ( from.className.match( FRAGMENT_STYLE_REGEX ) || [''] )[0];\n\t\t\t\tlet toFragmentStyle = ( to.className.match( FRAGMENT_STYLE_REGEX ) || [''] )[0];\n\n\t\t\t\t// Only skip the fragment if the fragment animation style\n\t\t\t\t// remains unchanged\n\t\t\t\tif( fromFragmentStyle === toFragmentStyle && animationOptions.slideDirection === 'forward' ) {\n\t\t\t\t\tto.classList.add( 'visible', 'disabled' );\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// If translation and/or scaling are enabled, css transform\n\t\t// the 'to' element so that it matches the position and size\n\t\t// of the 'from' element\n\t\tif( elementOptions.translate !== false || elementOptions.scale !== false ) {\n\n\t\t\tlet presentationScale = this.Reveal.getScale();\n\n\t\t\tlet delta = {\n\t\t\t\tx: ( fromProps.x - toProps.x ) / presentationScale,\n\t\t\t\ty: ( fromProps.y - toProps.y ) / presentationScale,\n\t\t\t\tscaleX: fromProps.width / toProps.width,\n\t\t\t\tscaleY: fromProps.height / toProps.height\n\t\t\t};\n\n\t\t\t// Limit decimal points to avoid 0.0001px blur and stutter\n\t\t\tdelta.x = Math.round( delta.x * 1000 ) / 1000;\n\t\t\tdelta.y = Math.round( delta.y * 1000 ) / 1000;\n\t\t\tdelta.scaleX = Math.round( delta.scaleX * 1000 ) / 1000;\n\t\t\tdelta.scaleX = Math.round( delta.scaleX * 1000 ) / 1000;\n\n\t\t\tlet translate = elementOptions.translate !== false && ( delta.x !== 0 || delta.y !== 0 ),\n\t\t\t\tscale = elementOptions.scale !== false && ( delta.scaleX !== 0 || delta.scaleY !== 0 );\n\n\t\t\t// No need to transform if nothing's changed\n\t\t\tif( translate || scale ) {\n\n\t\t\t\tlet transform = [];\n\n\t\t\t\tif( translate ) transform.push( `translate(${delta.x}px, ${delta.y}px)` );\n\t\t\t\tif( scale ) transform.push( `scale(${delta.scaleX}, ${delta.scaleY})` );\n\n\t\t\t\tfromProps.styles['transform'] = transform.join( ' ' );\n\t\t\t\tfromProps.styles['transform-origin'] = 'top left';\n\n\t\t\t\ttoProps.styles['transform'] = 'none';\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Delete all unchanged 'to' styles\n\t\tfor( let propertyName in toProps.styles ) {\n\t\t\tconst toValue = toProps.styles[propertyName];\n\t\t\tconst fromValue = fromProps.styles[propertyName];\n\n\t\t\tif( toValue === fromValue ) {\n\t\t\t\tdelete toProps.styles[propertyName];\n\t\t\t}\n\t\t\telse {\n\t\t\t\t// If these property values were set via a custom matcher providing\n\t\t\t\t// an explicit 'from' and/or 'to' value, we always inject those values.\n\t\t\t\tif( toValue.explicitValue === true ) {\n\t\t\t\t\ttoProps.styles[propertyName] = toValue.value;\n\t\t\t\t}\n\n\t\t\t\tif( fromValue.explicitValue === true ) {\n\t\t\t\t\tfromProps.styles[propertyName] = fromValue.value;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tlet css = '';\n\n\t\tlet toStyleProperties = Object.keys( toProps.styles );\n\n\t\t// Only create animate this element IF at least one style\n\t\t// property has changed\n\t\tif( toStyleProperties.length > 0 ) {\n\n\t\t\t// Instantly move to the 'from' state\n\t\t\tfromProps.styles['transition'] = 'none';\n\n\t\t\t// Animate towards the 'to' state\n\t\t\ttoProps.styles['transition'] = `all ${options.duration}s ${options.easing} ${options.delay}s`;\n\t\t\ttoProps.styles['transition-property'] = toStyleProperties.join( ', ' );\n\t\t\ttoProps.styles['will-change'] = toStyleProperties.join( ', ' );\n\n\t\t\t// Build up our custom CSS. We need to override inline styles\n\t\t\t// so we need to make our styles vErY IMPORTANT!1!!\n\t\t\tlet fromCSS = Object.keys( fromProps.styles ).map( propertyName => {\n\t\t\t\treturn propertyName + ': ' + fromProps.styles[propertyName] + ' !important;';\n\t\t\t} ).join( '' );\n\n\t\t\tlet toCSS = Object.keys( toProps.styles ).map( propertyName => {\n\t\t\t\treturn propertyName + ': ' + toProps.styles[propertyName] + ' !important;';\n\t\t\t} ).join( '' );\n\n\t\t\tcss = \t'[data-auto-animate-target=\"'+ id +'\"] {'+ fromCSS +'}' +\n\t\t\t\t\t'[data-auto-animate=\"running\"] [data-auto-animate-target=\"'+ id +'\"] {'+ toCSS +'}';\n\n\t\t}\n\n\t\treturn css;\n\n\t}\n\n\t/**\n\t * Returns the auto-animate options for the given element.\n\t *\n\t * @param {HTMLElement} element Element to pick up options\n\t * from, either a slide or an animation target\n\t * @param {Object} [inheritedOptions] Optional set of existing\n\t * options\n\t */\n\tgetAutoAnimateOptions( element, inheritedOptions ) {\n\n\t\tlet options = {\n\t\t\teasing: this.Reveal.getConfig().autoAnimateEasing,\n\t\t\tduration: this.Reveal.getConfig().autoAnimateDuration,\n\t\t\tdelay: 0\n\t\t};\n\n\t\toptions = extend( options, inheritedOptions );\n\n\t\t// Inherit options from parent elements\n\t\tif( element.parentNode ) {\n\t\t\tlet autoAnimatedParent = closest( element.parentNode, '[data-auto-animate-target]' );\n\t\t\tif( autoAnimatedParent ) {\n\t\t\t\toptions = this.getAutoAnimateOptions( autoAnimatedParent, options );\n\t\t\t}\n\t\t}\n\n\t\tif( element.dataset.autoAnimateEasing ) {\n\t\t\toptions.easing = element.dataset.autoAnimateEasing;\n\t\t}\n\n\t\tif( element.dataset.autoAnimateDuration ) {\n\t\t\toptions.duration = parseFloat( element.dataset.autoAnimateDuration );\n\t\t}\n\n\t\tif( element.dataset.autoAnimateDelay ) {\n\t\t\toptions.delay = parseFloat( element.dataset.autoAnimateDelay );\n\t\t}\n\n\t\treturn options;\n\n\t}\n\n\t/**\n\t * Returns an object containing all of the properties\n\t * that can be auto-animated for the given element and\n\t * their current computed values.\n\t *\n\t * @param {String} direction 'from' or 'to'\n\t */\n\tgetAutoAnimatableProperties( direction, element, elementOptions ) {\n\n\t\tlet config = this.Reveal.getConfig();\n\n\t\tlet properties = { styles: [] };\n\n\t\t// Position and size\n\t\tif( elementOptions.translate !== false || elementOptions.scale !== false ) {\n\t\t\tlet bounds;\n\n\t\t\t// Custom auto-animate may optionally return a custom tailored\n\t\t\t// measurement function\n\t\t\tif( typeof elementOptions.measure === 'function' ) {\n\t\t\t\tbounds = elementOptions.measure( element );\n\t\t\t}\n\t\t\telse {\n\t\t\t\tif( config.center ) {\n\t\t\t\t\t// More precise, but breaks when used in combination\n\t\t\t\t\t// with zoom for scaling the deck ¯\\_(ツ)_/¯\n\t\t\t\t\tbounds = element.getBoundingClientRect();\n\t\t\t\t}\n\t\t\t\telse {\n\t\t\t\t\tlet scale = this.Reveal.getScale();\n\t\t\t\t\tbounds = {\n\t\t\t\t\t\tx: element.offsetLeft * scale,\n\t\t\t\t\t\ty: element.offsetTop * scale,\n\t\t\t\t\t\twidth: element.offsetWidth * scale,\n\t\t\t\t\t\theight: element.offsetHeight * scale\n\t\t\t\t\t};\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tproperties.x = bounds.x;\n\t\t\tproperties.y = bounds.y;\n\t\t\tproperties.width = bounds.width;\n\t\t\tproperties.height = bounds.height;\n\t\t}\n\n\t\tconst computedStyles = getComputedStyle( element );\n\n\t\t// CSS styles\n\t\t( elementOptions.styles || config.autoAnimateStyles ).forEach( style => {\n\t\t\tlet value;\n\n\t\t\t// `style` is either the property name directly, or an object\n\t\t\t// definition of a style property\n\t\t\tif( typeof style === 'string' ) style = { property: style };\n\n\t\t\tif( typeof style.from !== 'undefined' && direction === 'from' ) {\n\t\t\t\tvalue = { value: style.from, explicitValue: true };\n\t\t\t}\n\t\t\telse if( typeof style.to !== 'undefined' && direction === 'to' ) {\n\t\t\t\tvalue = { value: style.to, explicitValue: true };\n\t\t\t}\n\t\t\telse {\n\t\t\t\tvalue = computedStyles[style.property];\n\t\t\t}\n\n\t\t\tif( value !== '' ) {\n\t\t\t\tproperties.styles[style.property] = value;\n\t\t\t}\n\t\t} );\n\n\t\treturn properties;\n\n\t}\n\n\t/**\n\t * Get a list of all element pairs that we can animate\n\t * between the given slides.\n\t *\n\t * @param {HTMLElement} fromSlide\n\t * @param {HTMLElement} toSlide\n\t *\n\t * @return {Array} Each value is an array where [0] is\n\t * the element we're animating from and [1] is the\n\t * element we're animating to\n\t */\n\tgetAutoAnimatableElements( fromSlide, toSlide ) {\n\n\t\tlet matcher = typeof this.Reveal.getConfig().autoAnimateMatcher === 'function' ? this.Reveal.getConfig().autoAnimateMatcher : this.getAutoAnimatePairs;\n\n\t\tlet pairs = matcher.call( this, fromSlide, toSlide );\n\n\t\tlet reserved = [];\n\n\t\t// Remove duplicate pairs\n\t\treturn pairs.filter( ( pair, index ) => {\n\t\t\tif( reserved.indexOf( pair.to ) === -1 ) {\n\t\t\t\treserved.push( pair.to );\n\t\t\t\treturn true;\n\t\t\t}\n\t\t} );\n\n\t}\n\n\t/**\n\t * Identifies matching elements between slides.\n\t *\n\t * You can specify a custom matcher function by using\n\t * the `autoAnimateMatcher` config option.\n\t */\n\tgetAutoAnimatePairs( fromSlide, toSlide ) {\n\n\t\tlet pairs = [];\n\n\t\tconst codeNodes = 'pre';\n\t\tconst textNodes = 'h1, h2, h3, h4, h5, h6, p, li';\n\t\tconst mediaNodes = 'img, video, iframe';\n\n\t\t// Eplicit matches via data-id\n\t\tthis.findAutoAnimateMatches( pairs, fromSlide, toSlide, '[data-id]', node => {\n\t\t\treturn node.nodeName + ':::' + node.getAttribute( 'data-id' );\n\t\t} );\n\n\t\t// Text\n\t\tthis.findAutoAnimateMatches( pairs, fromSlide, toSlide, textNodes, node => {\n\t\t\treturn node.nodeName + ':::' + node.innerText;\n\t\t} );\n\n\t\t// Media\n\t\tthis.findAutoAnimateMatches( pairs, fromSlide, toSlide, mediaNodes, node => {\n\t\t\treturn node.nodeName + ':::' + ( node.getAttribute( 'src' ) || node.getAttribute( 'data-src' ) );\n\t\t} );\n\n\t\t// Code\n\t\tthis.findAutoAnimateMatches( pairs, fromSlide, toSlide, codeNodes, node => {\n\t\t\treturn node.nodeName + ':::' + node.innerText;\n\t\t} );\n\n\t\tpairs.forEach( pair => {\n\n\t\t\t// Disable scale transformations on text nodes, we transition\n\t\t\t// each individual text property instead\n\t\t\tif( matches( pair.from, textNodes ) ) {\n\t\t\t\tpair.options = { scale: false };\n\t\t\t}\n\t\t\t// Animate individual lines of code\n\t\t\telse if( matches( pair.from, codeNodes ) ) {\n\n\t\t\t\t// Transition the code block's width and height instead of scaling\n\t\t\t\t// to prevent its content from being squished\n\t\t\t\tpair.options = { scale: false, styles: [ 'width', 'height' ] };\n\n\t\t\t\t// Lines of code\n\t\t\t\tthis.findAutoAnimateMatches( pairs, pair.from, pair.to, '.hljs .hljs-ln-code', node => {\n\t\t\t\t\treturn node.textContent;\n\t\t\t\t}, {\n\t\t\t\t\tscale: false,\n\t\t\t\t\tstyles: [],\n\t\t\t\t\tmeasure: this.getLocalBoundingBox.bind( this )\n\t\t\t\t} );\n\n\t\t\t\t// Line numbers\n\t\t\t\tthis.findAutoAnimateMatches( pairs, pair.from, pair.to, '.hljs .hljs-ln-line[data-line-number]', node => {\n\t\t\t\t\treturn node.getAttribute( 'data-line-number' );\n\t\t\t\t}, {\n\t\t\t\t\tscale: false,\n\t\t\t\t\tstyles: [ 'width' ],\n\t\t\t\t\tmeasure: this.getLocalBoundingBox.bind( this )\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t}, this );\n\n\t\treturn pairs;\n\n\t}\n\n\t/**\n\t * Helper method which returns a bounding box based on\n\t * the given elements offset coordinates.\n\t *\n\t * @param {HTMLElement} element\n\t * @return {Object} x, y, width, height\n\t */\n\tgetLocalBoundingBox( element ) {\n\n\t\tconst presentationScale = this.Reveal.getScale();\n\n\t\treturn {\n\t\t\tx: Math.round( ( element.offsetLeft * presentationScale ) * 100 ) / 100,\n\t\t\ty: Math.round( ( element.offsetTop * presentationScale ) * 100 ) / 100,\n\t\t\twidth: Math.round( ( element.offsetWidth * presentationScale ) * 100 ) / 100,\n\t\t\theight: Math.round( ( element.offsetHeight * presentationScale ) * 100 ) / 100\n\t\t};\n\n\t}\n\n\t/**\n\t * Finds matching elements between two slides.\n\t *\n\t * @param {Array} pairs \tList of pairs to push matches to\n\t * @param {HTMLElement} fromScope Scope within the from element exists\n\t * @param {HTMLElement} toScope Scope within the to element exists\n\t * @param {String} selector CSS selector of the element to match\n\t * @param {Function} serializer A function that accepts an element and returns\n\t * a stringified ID based on its contents\n\t * @param {Object} animationOptions Optional config options for this pair\n\t */\n\tfindAutoAnimateMatches( pairs, fromScope, toScope, selector, serializer, animationOptions ) {\n\n\t\tlet fromMatches = {};\n\t\tlet toMatches = {};\n\n\t\t[].slice.call( fromScope.querySelectorAll( selector ) ).forEach( ( element, i ) => {\n\t\t\tconst key = serializer( element );\n\t\t\tif( typeof key === 'string' && key.length ) {\n\t\t\t\tfromMatches[key] = fromMatches[key] || [];\n\t\t\t\tfromMatches[key].push( element );\n\t\t\t}\n\t\t} );\n\n\t\t[].slice.call( toScope.querySelectorAll( selector ) ).forEach( ( element, i ) => {\n\t\t\tconst key = serializer( element );\n\t\t\ttoMatches[key] = toMatches[key] || [];\n\t\t\ttoMatches[key].push( element );\n\n\t\t\tlet fromElement;\n\n\t\t\t// Retrieve the 'from' element\n\t\t\tif( fromMatches[key] ) {\n\t\t\t\tconst pimaryIndex = toMatches[key].length - 1;\n\t\t\t\tconst secondaryIndex = fromMatches[key].length - 1;\n\n\t\t\t\t// If there are multiple identical from elements, retrieve\n\t\t\t\t// the one at the same index as our to-element.\n\t\t\t\tif( fromMatches[key][ pimaryIndex ] ) {\n\t\t\t\t\tfromElement = fromMatches[key][ pimaryIndex ];\n\t\t\t\t\tfromMatches[key][ pimaryIndex ] = null;\n\t\t\t\t}\n\t\t\t\t// If there are no matching from-elements at the same index,\n\t\t\t\t// use the last one.\n\t\t\t\telse if( fromMatches[key][ secondaryIndex ] ) {\n\t\t\t\t\tfromElement = fromMatches[key][ secondaryIndex ];\n\t\t\t\t\tfromMatches[key][ secondaryIndex ] = null;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// If we've got a matching pair, push it to the list of pairs\n\t\t\tif( fromElement ) {\n\t\t\t\tpairs.push({\n\t\t\t\t\tfrom: fromElement,\n\t\t\t\t\tto: element,\n\t\t\t\t\toptions: animationOptions\n\t\t\t\t});\n\t\t\t}\n\t\t} );\n\n\t}\n\n\t/**\n\t * Returns a all elements within the given scope that should\n\t * be considered unmatched in an auto-animate transition. If\n\t * fading of unmatched elements is turned on, these elements\n\t * will fade when going between auto-animate slides.\n\t *\n\t * Note that parents of auto-animate targets are NOT considerd\n\t * unmatched since fading them would break the auto-animation.\n\t *\n\t * @param {HTMLElement} rootElement\n\t * @return {Array}\n\t */\n\tgetUnmatchedAutoAnimateElements( rootElement ) {\n\n\t\treturn [].slice.call( rootElement.children ).reduce( ( result, element ) => {\n\n\t\t\tconst containsAnimatedElements = element.querySelector( '[data-auto-animate-target]' );\n\n\t\t\t// The element is unmatched if\n\t\t\t// - It is not an auto-animate target\n\t\t\t// - It does not contain any auto-animate targets\n\t\t\tif( !element.hasAttribute( 'data-auto-animate-target' ) && !containsAnimatedElements ) {\n\t\t\t\tresult.push( element );\n\t\t\t}\n\n\t\t\tif( element.querySelector( '[data-auto-animate-target]' ) ) {\n\t\t\t\tresult = result.concat( this.getUnmatchedAutoAnimateElements( element ) );\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}, [] );\n\n\t}\n\n}\n","import { extend, queryAll } from '../utils/util.js'\n\n/**\n * Handles sorting and navigation of slide fragments.\n * Fragments are elements within a slide that are\n * revealed/animated incrementally.\n */\nexport default class Fragments {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t}\n\n\t/**\n\t * Called when the reveal.js config is updated.\n\t */\n\tconfigure( config, oldConfig ) {\n\n\t\tif( config.fragments === false ) {\n\t\t\tthis.disable();\n\t\t}\n\t\telse if( oldConfig.fragments === false ) {\n\t\t\tthis.enable();\n\t\t}\n\n\t}\n\n\t/**\n\t * If fragments are disabled in the deck, they should all be\n\t * visible rather than stepped through.\n\t */\n\tdisable() {\n\n\t\tqueryAll( this.Reveal.getSlidesElement(), '.fragment' ).forEach( element => {\n\t\t\telement.classList.add( 'visible' );\n\t\t\telement.classList.remove( 'current-fragment' );\n\t\t} );\n\n\t}\n\n\t/**\n\t * Reverse of #disable(). Only called if fragments have\n\t * previously been disabled.\n\t */\n\tenable() {\n\n\t\tqueryAll( this.Reveal.getSlidesElement(), '.fragment' ).forEach( element => {\n\t\t\telement.classList.remove( 'visible' );\n\t\t\telement.classList.remove( 'current-fragment' );\n\t\t} );\n\n\t}\n\n\t/**\n\t * Returns an object describing the available fragment\n\t * directions.\n\t *\n\t * @return {{prev: boolean, next: boolean}}\n\t */\n\tavailableRoutes() {\n\n\t\tlet currentSlide = this.Reveal.getCurrentSlide();\n\t\tif( currentSlide && this.Reveal.getConfig().fragments ) {\n\t\t\tlet fragments = currentSlide.querySelectorAll( '.fragment:not(.disabled)' );\n\t\t\tlet hiddenFragments = currentSlide.querySelectorAll( '.fragment:not(.disabled):not(.visible)' );\n\n\t\t\treturn {\n\t\t\t\tprev: fragments.length - hiddenFragments.length > 0,\n\t\t\t\tnext: !!hiddenFragments.length\n\t\t\t};\n\t\t}\n\t\telse {\n\t\t\treturn { prev: false, next: false };\n\t\t}\n\n\t}\n\n\t/**\n\t * Return a sorted fragments list, ordered by an increasing\n\t * \"data-fragment-index\" attribute.\n\t *\n\t * Fragments will be revealed in the order that they are returned by\n\t * this function, so you can use the index attributes to control the\n\t * order of fragment appearance.\n\t *\n\t * To maintain a sensible default fragment order, fragments are presumed\n\t * to be passed in document order. This function adds a \"fragment-index\"\n\t * attribute to each node if such an attribute is not already present,\n\t * and sets that attribute to an integer value which is the position of\n\t * the fragment within the fragments list.\n\t *\n\t * @param {object[]|*} fragments\n\t * @param {boolean} grouped If true the returned array will contain\n\t * nested arrays for all fragments with the same index\n\t * @return {object[]} sorted Sorted array of fragments\n\t */\n\tsort( fragments, grouped = false ) {\n\n\t\tfragments = Array.from( fragments );\n\n\t\tlet ordered = [],\n\t\t\tunordered = [],\n\t\t\tsorted = [];\n\n\t\t// Group ordered and unordered elements\n\t\tfragments.forEach( fragment => {\n\t\t\tif( fragment.hasAttribute( 'data-fragment-index' ) ) {\n\t\t\t\tlet index = parseInt( fragment.getAttribute( 'data-fragment-index' ), 10 );\n\n\t\t\t\tif( !ordered[index] ) {\n\t\t\t\t\tordered[index] = [];\n\t\t\t\t}\n\n\t\t\t\tordered[index].push( fragment );\n\t\t\t}\n\t\t\telse {\n\t\t\t\tunordered.push( [ fragment ] );\n\t\t\t}\n\t\t} );\n\n\t\t// Append fragments without explicit indices in their\n\t\t// DOM order\n\t\tordered = ordered.concat( unordered );\n\n\t\t// Manually count the index up per group to ensure there\n\t\t// are no gaps\n\t\tlet index = 0;\n\n\t\t// Push all fragments in their sorted order to an array,\n\t\t// this flattens the groups\n\t\tordered.forEach( group => {\n\t\t\tgroup.forEach( fragment => {\n\t\t\t\tsorted.push( fragment );\n\t\t\t\tfragment.setAttribute( 'data-fragment-index', index );\n\t\t\t} );\n\n\t\t\tindex ++;\n\t\t} );\n\n\t\treturn grouped === true ? ordered : sorted;\n\n\t}\n\n\t/**\n\t * Sorts and formats all of fragments in the\n\t * presentation.\n\t */\n\tsortAll() {\n\n\t\tthis.Reveal.getHorizontalSlides().forEach( horizontalSlide => {\n\n\t\t\tlet verticalSlides = queryAll( horizontalSlide, 'section' );\n\t\t\tverticalSlides.forEach( ( verticalSlide, y ) => {\n\n\t\t\t\tthis.sort( verticalSlide.querySelectorAll( '.fragment' ) );\n\n\t\t\t}, this );\n\n\t\t\tif( verticalSlides.length === 0 ) this.sort( horizontalSlide.querySelectorAll( '.fragment' ) );\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Refreshes the fragments on the current slide so that they\n\t * have the appropriate classes (.visible + .current-fragment).\n\t *\n\t * @param {number} [index] The index of the current fragment\n\t * @param {array} [fragments] Array containing all fragments\n\t * in the current slide\n\t *\n\t * @return {{shown: array, hidden: array}}\n\t */\n\tupdate( index, fragments ) {\n\n\t\tlet changedFragments = {\n\t\t\tshown: [],\n\t\t\thidden: []\n\t\t};\n\n\t\tlet currentSlide = this.Reveal.getCurrentSlide();\n\t\tif( currentSlide && this.Reveal.getConfig().fragments ) {\n\n\t\t\tfragments = fragments || this.sort( currentSlide.querySelectorAll( '.fragment' ) );\n\n\t\t\tif( fragments.length ) {\n\n\t\t\t\tlet maxIndex = 0;\n\n\t\t\t\tif( typeof index !== 'number' ) {\n\t\t\t\t\tlet currentFragment = this.sort( currentSlide.querySelectorAll( '.fragment.visible' ) ).pop();\n\t\t\t\t\tif( currentFragment ) {\n\t\t\t\t\t\tindex = parseInt( currentFragment.getAttribute( 'data-fragment-index' ) || 0, 10 );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tArray.from( fragments ).forEach( ( el, i ) => {\n\n\t\t\t\t\tif( el.hasAttribute( 'data-fragment-index' ) ) {\n\t\t\t\t\t\ti = parseInt( el.getAttribute( 'data-fragment-index' ), 10 );\n\t\t\t\t\t}\n\n\t\t\t\t\tmaxIndex = Math.max( maxIndex, i );\n\n\t\t\t\t\t// Visible fragments\n\t\t\t\t\tif( i <= index ) {\n\t\t\t\t\t\tlet wasVisible = el.classList.contains( 'visible' )\n\t\t\t\t\t\tel.classList.add( 'visible' );\n\t\t\t\t\t\tel.classList.remove( 'current-fragment' );\n\n\t\t\t\t\t\tif( i === index ) {\n\t\t\t\t\t\t\t// Announce the fragments one by one to the Screen Reader\n\t\t\t\t\t\t\tthis.Reveal.announceStatus( this.Reveal.getStatusText( el ) );\n\n\t\t\t\t\t\t\tel.classList.add( 'current-fragment' );\n\t\t\t\t\t\t\tthis.Reveal.slideContent.startEmbeddedContent( el );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif( !wasVisible ) {\n\t\t\t\t\t\t\tchangedFragments.shown.push( el )\n\t\t\t\t\t\t\tthis.Reveal.dispatchEvent({\n\t\t\t\t\t\t\t\ttarget: el,\n\t\t\t\t\t\t\t\ttype: 'visible',\n\t\t\t\t\t\t\t\tbubbles: false\n\t\t\t\t\t\t\t});\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\t// Hidden fragments\n\t\t\t\t\telse {\n\t\t\t\t\t\tlet wasVisible = el.classList.contains( 'visible' )\n\t\t\t\t\t\tel.classList.remove( 'visible' );\n\t\t\t\t\t\tel.classList.remove( 'current-fragment' );\n\n\t\t\t\t\t\tif( wasVisible ) {\n\t\t\t\t\t\t\tthis.Reveal.slideContent.stopEmbeddedContent( el );\n\t\t\t\t\t\t\tchangedFragments.hidden.push( el );\n\t\t\t\t\t\t\tthis.Reveal.dispatchEvent({\n\t\t\t\t\t\t\t\ttarget: el,\n\t\t\t\t\t\t\t\ttype: 'hidden',\n\t\t\t\t\t\t\t\tbubbles: false\n\t\t\t\t\t\t\t});\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\t// Write the current fragment index to the slide
.\n\t\t\t\t// This can be used by end users to apply styles based on\n\t\t\t\t// the current fragment index.\n\t\t\t\tindex = typeof index === 'number' ? index : -1;\n\t\t\t\tindex = Math.max( Math.min( index, maxIndex ), -1 );\n\t\t\t\tcurrentSlide.setAttribute( 'data-fragment', index );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn changedFragments;\n\n\t}\n\n\t/**\n\t * Formats the fragments on the given slide so that they have\n\t * valid indices. Call this if fragments are changed in the DOM\n\t * after reveal.js has already initialized.\n\t *\n\t * @param {HTMLElement} slide\n\t * @return {Array} a list of the HTML fragments that were synced\n\t */\n\tsync( slide = this.Reveal.getCurrentSlide() ) {\n\n\t\treturn this.sort( slide.querySelectorAll( '.fragment' ) );\n\n\t}\n\n\t/**\n\t * Navigate to the specified slide fragment.\n\t *\n\t * @param {?number} index The index of the fragment that\n\t * should be shown, -1 means all are invisible\n\t * @param {number} offset Integer offset to apply to the\n\t * fragment index\n\t *\n\t * @return {boolean} true if a change was made in any\n\t * fragments visibility as part of this call\n\t */\n\tgoto( index, offset = 0 ) {\n\n\t\tlet currentSlide = this.Reveal.getCurrentSlide();\n\t\tif( currentSlide && this.Reveal.getConfig().fragments ) {\n\n\t\t\tlet fragments = this.sort( currentSlide.querySelectorAll( '.fragment:not(.disabled)' ) );\n\t\t\tif( fragments.length ) {\n\n\t\t\t\t// If no index is specified, find the current\n\t\t\t\tif( typeof index !== 'number' ) {\n\t\t\t\t\tlet lastVisibleFragment = this.sort( currentSlide.querySelectorAll( '.fragment:not(.disabled).visible' ) ).pop();\n\n\t\t\t\t\tif( lastVisibleFragment ) {\n\t\t\t\t\t\tindex = parseInt( lastVisibleFragment.getAttribute( 'data-fragment-index' ) || 0, 10 );\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tindex = -1;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// Apply the offset if there is one\n\t\t\t\tindex += offset;\n\n\t\t\t\tlet changedFragments = this.update( index, fragments );\n\n\t\t\t\tif( changedFragments.hidden.length ) {\n\t\t\t\t\tthis.Reveal.dispatchEvent({\n\t\t\t\t\t\ttype: 'fragmenthidden',\n\t\t\t\t\t\tdata: {\n\t\t\t\t\t\t\tfragment: changedFragments.hidden[0],\n\t\t\t\t\t\t\tfragments: changedFragments.hidden\n\t\t\t\t\t\t}\n\t\t\t\t\t});\n\t\t\t\t}\n\n\t\t\t\tif( changedFragments.shown.length ) {\n\t\t\t\t\tthis.Reveal.dispatchEvent({\n\t\t\t\t\t\ttype: 'fragmentshown',\n\t\t\t\t\t\tdata: {\n\t\t\t\t\t\t\tfragment: changedFragments.shown[0],\n\t\t\t\t\t\t\tfragments: changedFragments.shown\n\t\t\t\t\t\t}\n\t\t\t\t\t});\n\t\t\t\t}\n\n\t\t\t\tthis.Reveal.controls.update();\n\t\t\t\tthis.Reveal.progress.update();\n\n\t\t\t\tif( this.Reveal.getConfig().fragmentInURL ) {\n\t\t\t\t\tthis.Reveal.location.writeURL();\n\t\t\t\t}\n\n\t\t\t\treturn !!( changedFragments.shown.length || changedFragments.hidden.length );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\t/**\n\t * Navigate to the next slide fragment.\n\t *\n\t * @return {boolean} true if there was a next fragment,\n\t * false otherwise\n\t */\n\tnext() {\n\n\t\treturn this.goto( null, 1 );\n\n\t}\n\n\t/**\n\t * Navigate to the previous slide fragment.\n\t *\n\t * @return {boolean} true if there was a previous fragment,\n\t * false otherwise\n\t */\n\tprev() {\n\n\t\treturn this.goto( null, -1 );\n\n\t}\n\n}","import { SLIDES_SELECTOR } from '../utils/constants.js'\nimport { extend, queryAll, transformElement } from '../utils/util.js'\n\n/**\n * Handles all logic related to the overview mode\n * (birds-eye view of all slides).\n */\nexport default class Overview {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t\tthis.active = false;\n\n\t\tthis.onSlideClicked = this.onSlideClicked.bind( this );\n\n\t}\n\n\t/**\n\t * Displays the overview of slides (quick nav) by scaling\n\t * down and arranging all slide elements.\n\t */\n\tactivate() {\n\n\t\t// Only proceed if enabled in config\n\t\tif( this.Reveal.getConfig().overview && !this.isActive() ) {\n\n\t\t\tthis.active = true;\n\n\t\t\tthis.Reveal.getRevealElement().classList.add( 'overview' );\n\n\t\t\t// Don't auto-slide while in overview mode\n\t\t\tthis.Reveal.cancelAutoSlide();\n\n\t\t\t// Move the backgrounds element into the slide container to\n\t\t\t// that the same scaling is applied\n\t\t\tthis.Reveal.getSlidesElement().appendChild( this.Reveal.getBackgroundsElement() );\n\n\t\t\t// Clicking on an overview slide navigates to it\n\t\t\tqueryAll( this.Reveal.getRevealElement(), SLIDES_SELECTOR ).forEach( slide => {\n\t\t\t\tif( !slide.classList.contains( 'stack' ) ) {\n\t\t\t\t\tslide.addEventListener( 'click', this.onSlideClicked, true );\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\t// Calculate slide sizes\n\t\t\tconst margin = 70;\n\t\t\tconst slideSize = this.Reveal.getComputedSlideSize();\n\t\t\tthis.overviewSlideWidth = slideSize.width + margin;\n\t\t\tthis.overviewSlideHeight = slideSize.height + margin;\n\n\t\t\t// Reverse in RTL mode\n\t\t\tif( this.Reveal.getConfig().rtl ) {\n\t\t\t\tthis.overviewSlideWidth = -this.overviewSlideWidth;\n\t\t\t}\n\n\t\t\tthis.Reveal.updateSlidesVisibility();\n\n\t\t\tthis.layout();\n\t\t\tthis.update();\n\n\t\t\tthis.Reveal.layout();\n\n\t\t\tconst indices = this.Reveal.getIndices();\n\n\t\t\t// Notify observers of the overview showing\n\t\t\tthis.Reveal.dispatchEvent({\n\t\t\t\ttype: 'overviewshown',\n\t\t\t\tdata: {\n\t\t\t\t\t'indexh': indices.h,\n\t\t\t\t\t'indexv': indices.v,\n\t\t\t\t\t'currentSlide': this.Reveal.getCurrentSlide()\n\t\t\t\t}\n\t\t\t});\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Uses CSS transforms to position all slides in a grid for\n\t * display inside of the overview mode.\n\t */\n\tlayout() {\n\n\t\t// Layout slides\n\t\tthis.Reveal.getHorizontalSlides().forEach( ( hslide, h ) => {\n\t\t\thslide.setAttribute( 'data-index-h', h );\n\t\t\ttransformElement( hslide, 'translate3d(' + ( h * this.overviewSlideWidth ) + 'px, 0, 0)' );\n\n\t\t\tif( hslide.classList.contains( 'stack' ) ) {\n\n\t\t\t\tqueryAll( hslide, 'section' ).forEach( ( vslide, v ) => {\n\t\t\t\t\tvslide.setAttribute( 'data-index-h', h );\n\t\t\t\t\tvslide.setAttribute( 'data-index-v', v );\n\n\t\t\t\t\ttransformElement( vslide, 'translate3d(0, ' + ( v * this.overviewSlideHeight ) + 'px, 0)' );\n\t\t\t\t} );\n\n\t\t\t}\n\t\t} );\n\n\t\t// Layout slide backgrounds\n\t\tArray.from( this.Reveal.getBackgroundsElement().childNodes ).forEach( ( hbackground, h ) => {\n\t\t\ttransformElement( hbackground, 'translate3d(' + ( h * this.overviewSlideWidth ) + 'px, 0, 0)' );\n\n\t\t\tqueryAll( hbackground, '.slide-background' ).forEach( ( vbackground, v ) => {\n\t\t\t\ttransformElement( vbackground, 'translate3d(0, ' + ( v * this.overviewSlideHeight ) + 'px, 0)' );\n\t\t\t} );\n\t\t} );\n\n\t}\n\n\t/**\n\t * Moves the overview viewport to the current slides.\n\t * Called each time the current slide changes.\n\t */\n\tupdate() {\n\n\t\tconst vmin = Math.min( window.innerWidth, window.innerHeight );\n\t\tconst scale = Math.max( vmin / 5, 150 ) / vmin;\n\t\tconst indices = this.Reveal.getIndices();\n\n\t\tthis.Reveal.transformSlides( {\n\t\t\toverview: [\n\t\t\t\t'scale('+ scale +')',\n\t\t\t\t'translateX('+ ( -indices.h * this.overviewSlideWidth ) +'px)',\n\t\t\t\t'translateY('+ ( -indices.v * this.overviewSlideHeight ) +'px)'\n\t\t\t].join( ' ' )\n\t\t} );\n\n\t}\n\n\t/**\n\t * Exits the slide overview and enters the currently\n\t * active slide.\n\t */\n\tdeactivate() {\n\n\t\t// Only proceed if enabled in config\n\t\tif( this.Reveal.getConfig().overview ) {\n\n\t\t\tthis.active = false;\n\n\t\t\tthis.Reveal.getRevealElement().classList.remove( 'overview' );\n\n\t\t\t// Temporarily add a class so that transitions can do different things\n\t\t\t// depending on whether they are exiting/entering overview, or just\n\t\t\t// moving from slide to slide\n\t\t\tthis.Reveal.getRevealElement().classList.add( 'overview-deactivating' );\n\n\t\t\tsetTimeout( () => {\n\t\t\t\tthis.Reveal.getRevealElement().classList.remove( 'overview-deactivating' );\n\t\t\t}, 1 );\n\n\t\t\t// Move the background element back out\n\t\t\tthis.Reveal.getRevealElement().appendChild( this.Reveal.getBackgroundsElement() );\n\n\t\t\t// Clean up changes made to slides\n\t\t\tqueryAll( this.Reveal.getRevealElement(), SLIDES_SELECTOR ).forEach( slide => {\n\t\t\t\ttransformElement( slide, '' );\n\n\t\t\t\tslide.removeEventListener( 'click', this.onSlideClicked, true );\n\t\t\t} );\n\n\t\t\t// Clean up changes made to backgrounds\n\t\t\tqueryAll( this.Reveal.getBackgroundsElement(), '.slide-background' ).forEach( background => {\n\t\t\t\ttransformElement( background, '' );\n\t\t\t} );\n\n\t\t\tthis.Reveal.transformSlides( { overview: '' } );\n\n\t\t\tconst indices = this.Reveal.getIndices();\n\n\t\t\tthis.Reveal.slide( indices.h, indices.v );\n\t\t\tthis.Reveal.layout();\n\t\t\tthis.Reveal.cueAutoSlide();\n\n\t\t\t// Notify observers of the overview hiding\n\t\t\tthis.Reveal.dispatchEvent({\n\t\t\t\ttype: 'overviewhidden',\n\t\t\t\tdata: {\n\t\t\t\t\t'indexh': indices.h,\n\t\t\t\t\t'indexv': indices.v,\n\t\t\t\t\t'currentSlide': this.Reveal.getCurrentSlide()\n\t\t\t\t}\n\t\t\t});\n\n\t\t}\n\t}\n\n\t/**\n\t * Toggles the slide overview mode on and off.\n\t *\n\t * @param {Boolean} [override] Flag which overrides the\n\t * toggle logic and forcibly sets the desired state. True means\n\t * overview is open, false means it's closed.\n\t */\n\ttoggle( override ) {\n\n\t\tif( typeof override === 'boolean' ) {\n\t\t\toverride ? this.activate() : this.deactivate();\n\t\t}\n\t\telse {\n\t\t\tthis.isActive() ? this.deactivate() : this.activate();\n\t\t}\n\n\t}\n\n\t/**\n\t * Checks if the overview is currently active.\n\t *\n\t * @return {Boolean} true if the overview is active,\n\t * false otherwise\n\t */\n\tisActive() {\n\n\t\treturn this.active;\n\n\t}\n\n\t/**\n\t * Invoked when a slide is and we're in the overview.\n\t *\n\t * @param {object} event\n\t */\n\tonSlideClicked( event ) {\n\n\t\tif( this.isActive() ) {\n\t\t\tevent.preventDefault();\n\n\t\t\tlet element = event.target;\n\n\t\t\twhile( element && !element.nodeName.match( /section/gi ) ) {\n\t\t\t\telement = element.parentNode;\n\t\t\t}\n\n\t\t\tif( element && !element.classList.contains( 'disabled' ) ) {\n\n\t\t\t\tthis.deactivate();\n\n\t\t\t\tif( element.nodeName.match( /section/gi ) ) {\n\t\t\t\t\tlet h = parseInt( element.getAttribute( 'data-index-h' ), 10 ),\n\t\t\t\t\t\tv = parseInt( element.getAttribute( 'data-index-v' ), 10 );\n\n\t\t\t\t\tthis.Reveal.slide( h, v );\n\t\t\t\t}\n\n\t\t\t}\n\t\t}\n\n\t}\n\n}","import { enterFullscreen } from '../utils/util.js'\n\n/**\n * Handles all reveal.js keyboard interactions.\n */\nexport default class Keyboard {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t\t// A key:value map of keyboard keys and descriptions of\n\t\t// the actions they trigger\n\t\tthis.shortcuts = {};\n\n\t\t// Holds custom key code mappings\n\t\tthis.bindings = {};\n\n\t\tthis.onDocumentKeyDown = this.onDocumentKeyDown.bind( this );\n\t\tthis.onDocumentKeyPress = this.onDocumentKeyPress.bind( this );\n\n\t}\n\n\t/**\n\t * Called when the reveal.js config is updated.\n\t */\n\tconfigure( config, oldConfig ) {\n\n\t\tif( config.navigationMode === 'linear' ) {\n\t\t\tthis.shortcuts['→ , ↓ , SPACE , N , L , J'] = 'Next slide';\n\t\t\tthis.shortcuts['← , ↑ , P , H , K'] = 'Previous slide';\n\t\t}\n\t\telse {\n\t\t\tthis.shortcuts['N , SPACE'] = 'Next slide';\n\t\t\tthis.shortcuts['P , Shift SPACE'] = 'Previous slide';\n\t\t\tthis.shortcuts['← , H'] = 'Navigate left';\n\t\t\tthis.shortcuts['→ , L'] = 'Navigate right';\n\t\t\tthis.shortcuts['↑ , K'] = 'Navigate up';\n\t\t\tthis.shortcuts['↓ , J'] = 'Navigate down';\n\t\t}\n\n\t\tthis.shortcuts['Alt + ←/↑/→/↓'] = 'Navigate without fragments';\n\t\tthis.shortcuts['Shift + ←/↑/→/↓'] = 'Jump to first/last slide';\n\t\tthis.shortcuts['B , .'] = 'Pause';\n\t\tthis.shortcuts['F'] = 'Fullscreen';\n\t\tthis.shortcuts['ESC, O'] = 'Slide overview';\n\n\t}\n\n\t/**\n\t * Starts listening for keyboard events.\n\t */\n\tbind() {\n\n\t\tdocument.addEventListener( 'keydown', this.onDocumentKeyDown, false );\n\t\tdocument.addEventListener( 'keypress', this.onDocumentKeyPress, false );\n\n\t}\n\n\t/**\n\t * Stops listening for keyboard events.\n\t */\n\tunbind() {\n\n\t\tdocument.removeEventListener( 'keydown', this.onDocumentKeyDown, false );\n\t\tdocument.removeEventListener( 'keypress', this.onDocumentKeyPress, false );\n\n\t}\n\n\t/**\n\t * Add a custom key binding with optional description to\n\t * be added to the help screen.\n\t */\n\taddKeyBinding( binding, callback ) {\n\n\t\tif( typeof binding === 'object' && binding.keyCode ) {\n\t\t\tthis.bindings[binding.keyCode] = {\n\t\t\t\tcallback: callback,\n\t\t\t\tkey: binding.key,\n\t\t\t\tdescription: binding.description\n\t\t\t};\n\t\t}\n\t\telse {\n\t\t\tthis.bindings[binding] = {\n\t\t\t\tcallback: callback,\n\t\t\t\tkey: null,\n\t\t\t\tdescription: null\n\t\t\t};\n\t\t}\n\n\t}\n\n\t/**\n\t * Removes the specified custom key binding.\n\t */\n\tremoveKeyBinding( keyCode ) {\n\n\t\tdelete this.bindings[keyCode];\n\n\t}\n\n\t/**\n\t * Programmatically triggers a keyboard event\n\t *\n\t * @param {int} keyCode\n\t */\n\ttriggerKey( keyCode ) {\n\n\t\tthis.onDocumentKeyDown( { keyCode } );\n\n\t}\n\n\t/**\n\t * Registers a new shortcut to include in the help overlay\n\t *\n\t * @param {String} key\n\t * @param {String} value\n\t */\n\tregisterKeyboardShortcut( key, value ) {\n\n\t\tthis.shortcuts[key] = value;\n\n\t}\n\n\tgetShortcuts() {\n\n\t\treturn this.shortcuts;\n\n\t}\n\n\tgetBindings() {\n\n\t\treturn this.bindings;\n\n\t}\n\n\t/**\n\t * Handler for the document level 'keypress' event.\n\t *\n\t * @param {object} event\n\t */\n\tonDocumentKeyPress( event ) {\n\n\t\t// Check if the pressed key is question mark\n\t\tif( event.shiftKey && event.charCode === 63 ) {\n\t\t\tthis.Reveal.toggleHelp();\n\t\t}\n\n\t}\n\n\t/**\n\t * Handler for the document level 'keydown' event.\n\t *\n\t * @param {object} event\n\t */\n\tonDocumentKeyDown( event ) {\n\n\t\tlet config = this.Reveal.getConfig();\n\n\t\t// If there's a condition specified and it returns false,\n\t\t// ignore this event\n\t\tif( typeof config.keyboardCondition === 'function' && config.keyboardCondition(event) === false ) {\n\t\t\treturn true;\n\t\t}\n\n\t\t// If keyboardCondition is set, only capture keyboard events\n\t\t// for embedded decks when they are focused\n\t\tif( config.keyboardCondition === 'focused' && !this.Reveal.isFocused() ) {\n\t\t\treturn true;\n\t\t}\n\n\t\t// Shorthand\n\t\tlet keyCode = event.keyCode;\n\n\t\t// Remember if auto-sliding was paused so we can toggle it\n\t\tlet autoSlideWasPaused = !this.Reveal.isAutoSliding();\n\n\t\tthis.Reveal.onUserInput( event );\n\n\t\t// Is there a focused element that could be using the keyboard?\n\t\tlet activeElementIsCE = document.activeElement && document.activeElement.isContentEditable === true;\n\t\tlet activeElementIsInput = document.activeElement && document.activeElement.tagName && /input|textarea/i.test( document.activeElement.tagName );\n\t\tlet activeElementIsNotes = document.activeElement && document.activeElement.className && /speaker-notes/i.test( document.activeElement.className);\n\n\t\t// Whitelist certain modifiers for slide navigation shortcuts\n\t\tlet isNavigationKey = [32, 37, 38, 39, 40, 78, 80].indexOf( event.keyCode ) !== -1;\n\n\t\t// Prevent all other events when a modifier is pressed\n\t\tlet unusedModifier = \t!( isNavigationKey && event.shiftKey || event.altKey ) &&\n\t\t\t\t\t\t\t\t( event.shiftKey || event.altKey || event.ctrlKey || event.metaKey );\n\n\t\t// Disregard the event if there's a focused element or a\n\t\t// keyboard modifier key is present\n\t\tif( activeElementIsCE || activeElementIsInput || activeElementIsNotes || unusedModifier ) return;\n\n\t\t// While paused only allow resume keyboard events; 'b', 'v', '.'\n\t\tlet resumeKeyCodes = [66,86,190,191];\n\t\tlet key;\n\n\t\t// Custom key bindings for togglePause should be able to resume\n\t\tif( typeof config.keyboard === 'object' ) {\n\t\t\tfor( key in config.keyboard ) {\n\t\t\t\tif( config.keyboard[key] === 'togglePause' ) {\n\t\t\t\t\tresumeKeyCodes.push( parseInt( key, 10 ) );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tif( this.Reveal.isPaused() && resumeKeyCodes.indexOf( keyCode ) === -1 ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Use linear navigation if we're configured to OR if\n\t\t// the presentation is one-dimensional\n\t\tlet useLinearMode = config.navigationMode === 'linear' || !this.Reveal.hasHorizontalSlides() || !this.Reveal.hasVerticalSlides();\n\n\t\tlet triggered = false;\n\n\t\t// 1. User defined key bindings\n\t\tif( typeof config.keyboard === 'object' ) {\n\n\t\t\tfor( key in config.keyboard ) {\n\n\t\t\t\t// Check if this binding matches the pressed key\n\t\t\t\tif( parseInt( key, 10 ) === keyCode ) {\n\n\t\t\t\t\tlet value = config.keyboard[ key ];\n\n\t\t\t\t\t// Callback function\n\t\t\t\t\tif( typeof value === 'function' ) {\n\t\t\t\t\t\tvalue.apply( null, [ event ] );\n\t\t\t\t\t}\n\t\t\t\t\t// String shortcuts to reveal.js API\n\t\t\t\t\telse if( typeof value === 'string' && typeof this.Reveal[ value ] === 'function' ) {\n\t\t\t\t\t\tthis.Reveal[ value ].call();\n\t\t\t\t\t}\n\n\t\t\t\t\ttriggered = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// 2. Registered custom key bindings\n\t\tif( triggered === false ) {\n\n\t\t\tfor( key in this.bindings ) {\n\n\t\t\t\t// Check if this binding matches the pressed key\n\t\t\t\tif( parseInt( key, 10 ) === keyCode ) {\n\n\t\t\t\t\tlet action = this.bindings[ key ].callback;\n\n\t\t\t\t\t// Callback function\n\t\t\t\t\tif( typeof action === 'function' ) {\n\t\t\t\t\t\taction.apply( null, [ event ] );\n\t\t\t\t\t}\n\t\t\t\t\t// String shortcuts to reveal.js API\n\t\t\t\t\telse if( typeof action === 'string' && typeof this.Reveal[ action ] === 'function' ) {\n\t\t\t\t\t\tthis.Reveal[ action ].call();\n\t\t\t\t\t}\n\n\t\t\t\t\ttriggered = true;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// 3. System defined key bindings\n\t\tif( triggered === false ) {\n\n\t\t\t// Assume true and try to prove false\n\t\t\ttriggered = true;\n\n\t\t\t// P, PAGE UP\n\t\t\tif( keyCode === 80 || keyCode === 33 ) {\n\t\t\t\tthis.Reveal.prev({skipFragments: event.altKey});\n\t\t\t}\n\t\t\t// N, PAGE DOWN\n\t\t\telse if( keyCode === 78 || keyCode === 34 ) {\n\t\t\t\tthis.Reveal.next({skipFragments: event.altKey});\n\t\t\t}\n\t\t\t// H, LEFT\n\t\t\telse if( keyCode === 72 || keyCode === 37 ) {\n\t\t\t\tif( event.shiftKey ) {\n\t\t\t\t\tthis.Reveal.slide( 0 );\n\t\t\t\t}\n\t\t\t\telse if( !this.Reveal.overview.isActive() && useLinearMode ) {\n\t\t\t\t\tthis.Reveal.prev({skipFragments: event.altKey});\n\t\t\t\t}\n\t\t\t\telse {\n\t\t\t\t\tthis.Reveal.left({skipFragments: event.altKey});\n\t\t\t\t}\n\t\t\t}\n\t\t\t// L, RIGHT\n\t\t\telse if( keyCode === 76 || keyCode === 39 ) {\n\t\t\t\tif( event.shiftKey ) {\n\t\t\t\t\tthis.Reveal.slide( this.Reveal.getHorizontalSlides().length - 1 );\n\t\t\t\t}\n\t\t\t\telse if( !this.Reveal.overview.isActive() && useLinearMode ) {\n\t\t\t\t\tthis.Reveal.next({skipFragments: event.altKey});\n\t\t\t\t}\n\t\t\t\telse {\n\t\t\t\t\tthis.Reveal.right({skipFragments: event.altKey});\n\t\t\t\t}\n\t\t\t}\n\t\t\t// K, UP\n\t\t\telse if( keyCode === 75 || keyCode === 38 ) {\n\t\t\t\tif( event.shiftKey ) {\n\t\t\t\t\tthis.Reveal.slide( undefined, 0 );\n\t\t\t\t}\n\t\t\t\telse if( !this.Reveal.overview.isActive() && useLinearMode ) {\n\t\t\t\t\tthis.Reveal.prev({skipFragments: event.altKey});\n\t\t\t\t}\n\t\t\t\telse {\n\t\t\t\t\tthis.Reveal.up({skipFragments: event.altKey});\n\t\t\t\t}\n\t\t\t}\n\t\t\t// J, DOWN\n\t\t\telse if( keyCode === 74 || keyCode === 40 ) {\n\t\t\t\tif( event.shiftKey ) {\n\t\t\t\t\tthis.Reveal.slide( undefined, Number.MAX_VALUE );\n\t\t\t\t}\n\t\t\t\telse if( !this.Reveal.overview.isActive() && useLinearMode ) {\n\t\t\t\t\tthis.Reveal.next({skipFragments: event.altKey});\n\t\t\t\t}\n\t\t\t\telse {\n\t\t\t\t\tthis.Reveal.down({skipFragments: event.altKey});\n\t\t\t\t}\n\t\t\t}\n\t\t\t// HOME\n\t\t\telse if( keyCode === 36 ) {\n\t\t\t\tthis.Reveal.slide( 0 );\n\t\t\t}\n\t\t\t// END\n\t\t\telse if( keyCode === 35 ) {\n\t\t\t\tthis.Reveal.slide( this.Reveal.getHorizontalSlides().length - 1 );\n\t\t\t}\n\t\t\t// SPACE\n\t\t\telse if( keyCode === 32 ) {\n\t\t\t\tif( this.Reveal.overview.isActive() ) {\n\t\t\t\t\tthis.Reveal.overview.deactivate();\n\t\t\t\t}\n\t\t\t\tif( event.shiftKey ) {\n\t\t\t\t\tthis.Reveal.prev({skipFragments: event.altKey});\n\t\t\t\t}\n\t\t\t\telse {\n\t\t\t\t\tthis.Reveal.next({skipFragments: event.altKey});\n\t\t\t\t}\n\t\t\t}\n\t\t\t// TWO-SPOT, SEMICOLON, B, V, PERIOD, LOGITECH PRESENTER TOOLS \"BLACK SCREEN\" BUTTON\n\t\t\telse if( keyCode === 58 || keyCode === 59 || keyCode === 66 || keyCode === 86 || keyCode === 190 || keyCode === 191 ) {\n\t\t\t\tthis.Reveal.togglePause();\n\t\t\t}\n\t\t\t// F\n\t\t\telse if( keyCode === 70 ) {\n\t\t\t\tenterFullscreen( config.embedded ? this.Reveal.getViewportElement() : document.documentElement );\n\t\t\t}\n\t\t\t// A\n\t\t\telse if( keyCode === 65 ) {\n\t\t\t\tif ( config.autoSlideStoppable ) {\n\t\t\t\t\tthis.Reveal.toggleAutoSlide( autoSlideWasPaused );\n\t\t\t\t}\n\t\t\t}\n\t\t\telse {\n\t\t\t\ttriggered = false;\n\t\t\t}\n\n\t\t}\n\n\t\t// If the input resulted in a triggered action we should prevent\n\t\t// the browsers default behavior\n\t\tif( triggered ) {\n\t\t\tevent.preventDefault && event.preventDefault();\n\t\t}\n\t\t// ESC or O key\n\t\telse if( keyCode === 27 || keyCode === 79 ) {\n\t\t\tif( this.Reveal.closeOverlay() === false ) {\n\t\t\t\tthis.Reveal.overview.toggle();\n\t\t\t}\n\n\t\t\tevent.preventDefault && event.preventDefault();\n\t\t}\n\n\t\t// If auto-sliding is enabled we need to cue up\n\t\t// another timeout\n\t\tthis.Reveal.cueAutoSlide();\n\n\t}\n\n}","/**\n * Reads and writes the URL based on reveal.js' current state.\n */\nexport default class Location {\n\n\t// The minimum number of milliseconds that must pass between\n\t// calls to history.replaceState\n\tMAX_REPLACE_STATE_FREQUENCY = 1000\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t\t// Delays updates to the URL due to a Chrome thumbnailer bug\n\t\tthis.writeURLTimeout = 0;\n\n\t\tthis.replaceStateTimestamp = 0;\n\n\t\tthis.onWindowHashChange = this.onWindowHashChange.bind( this );\n\n\t}\n\n\tbind() {\n\n\t\twindow.addEventListener( 'hashchange', this.onWindowHashChange, false );\n\n\t}\n\n\tunbind() {\n\n\t\twindow.removeEventListener( 'hashchange', this.onWindowHashChange, false );\n\n\t}\n\n\t/**\n\t * Returns the slide indices for the given hash link.\n\t *\n\t * @param {string} [hash] the hash string that we want to\n\t * find the indices for\n\t *\n\t * @returns slide indices or null\n\t */\n\tgetIndicesFromHash( hash=window.location.hash ) {\n\n\t\t// Attempt to parse the hash as either an index or name\n\t\tlet name = hash.replace( /^#\\/?/, '' );\n\t\tlet bits = name.split( '/' );\n\n\t\t// If the first bit is not fully numeric and there is a name we\n\t\t// can assume that this is a named link\n\t\tif( !/^[0-9]*$/.test( bits[0] ) && name.length ) {\n\t\t\tlet element;\n\n\t\t\tlet f;\n\n\t\t\t// Parse named links with fragments (#/named-link/2)\n\t\t\tif( /\\/[-\\d]+$/g.test( name ) ) {\n\t\t\t\tf = parseInt( name.split( '/' ).pop(), 10 );\n\t\t\t\tf = isNaN(f) ? undefined : f;\n\t\t\t\tname = name.split( '/' ).shift();\n\t\t\t}\n\n\t\t\t// Ensure the named link is a valid HTML ID attribute\n\t\t\ttry {\n\t\t\t\telement = document.getElementById( decodeURIComponent( name ) );\n\t\t\t}\n\t\t\tcatch ( error ) { }\n\n\t\t\tif( element ) {\n\t\t\t\treturn { ...this.Reveal.getIndices( element ), f };\n\t\t\t}\n\t\t}\n\t\telse {\n\t\t\tconst config = this.Reveal.getConfig();\n\t\t\tlet hashIndexBase = config.hashOneBasedIndex ? 1 : 0;\n\n\t\t\t// Read the index components of the hash\n\t\t\tlet h = ( parseInt( bits[0], 10 ) - hashIndexBase ) || 0,\n\t\t\t\tv = ( parseInt( bits[1], 10 ) - hashIndexBase ) || 0,\n\t\t\t\tf;\n\n\t\t\tif( config.fragmentInURL ) {\n\t\t\t\tf = parseInt( bits[2], 10 );\n\t\t\t\tif( isNaN( f ) ) {\n\t\t\t\t\tf = undefined;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn { h, v, f };\n\t\t}\n\n\t\t// The hash couldn't be parsed or no matching named link was found\n\t\treturn null\n\n\t}\n\n\t/**\n\t * Reads the current URL (hash) and navigates accordingly.\n\t */\n\treadURL() {\n\n\t\tconst currentIndices = this.Reveal.getIndices();\n\t\tconst newIndices = this.getIndicesFromHash();\n\n\t\tif( newIndices ) {\n\t\t\tif( ( newIndices.h !== currentIndices.h || newIndices.v !== currentIndices.v || newIndices.f !== undefined ) ) {\n\t\t\t\t\tthis.Reveal.slide( newIndices.h, newIndices.v, newIndices.f );\n\t\t\t}\n\t\t}\n\t\t// If no new indices are available, we're trying to navigate to\n\t\t// a slide hash that does not exist\n\t\telse {\n\t\t\tthis.Reveal.slide( currentIndices.h || 0, currentIndices.v || 0 );\n\t\t}\n\n\t}\n\n\t/**\n\t * Updates the page URL (hash) to reflect the current\n\t * state.\n\t *\n\t * @param {number} delay The time in ms to wait before\n\t * writing the hash\n\t */\n\twriteURL( delay ) {\n\n\t\tlet config = this.Reveal.getConfig();\n\t\tlet currentSlide = this.Reveal.getCurrentSlide();\n\n\t\t// Make sure there's never more than one timeout running\n\t\tclearTimeout( this.writeURLTimeout );\n\n\t\t// If a delay is specified, timeout this call\n\t\tif( typeof delay === 'number' ) {\n\t\t\tthis.writeURLTimeout = setTimeout( this.writeURL, delay );\n\t\t}\n\t\telse if( currentSlide ) {\n\n\t\t\tlet hash = this.getHash();\n\n\t\t\t// If we're configured to push to history OR the history\n\t\t\t// API is not avaialble.\n\t\t\tif( config.history ) {\n\t\t\t\twindow.location.hash = hash;\n\t\t\t}\n\t\t\t// If we're configured to reflect the current slide in the\n\t\t\t// URL without pushing to history.\n\t\t\telse if( config.hash ) {\n\t\t\t\t// If the hash is empty, don't add it to the URL\n\t\t\t\tif( hash === '/' ) {\n\t\t\t\t\tthis.debouncedReplaceState( window.location.pathname + window.location.search );\n\t\t\t\t}\n\t\t\t\telse {\n\t\t\t\t\tthis.debouncedReplaceState( '#' + hash );\n\t\t\t\t}\n\t\t\t}\n\t\t\t// UPDATE: The below nuking of all hash changes breaks\n\t\t\t// anchors on pages where reveal.js is running. Removed\n\t\t\t// in 4.0. Why was it here in the first place? ¯\\_(ツ)_/¯\n\t\t\t//\n\t\t\t// If history and hash are both disabled, a hash may still\n\t\t\t// be added to the URL by clicking on a href with a hash\n\t\t\t// target. Counter this by always removing the hash.\n\t\t\t// else {\n\t\t\t// \twindow.history.replaceState( null, null, window.location.pathname + window.location.search );\n\t\t\t// }\n\n\t\t}\n\n\t}\n\n\treplaceState( url ) {\n\n\t\twindow.history.replaceState( null, null, url );\n\t\tthis.replaceStateTimestamp = Date.now();\n\n\t}\n\n\tdebouncedReplaceState( url ) {\n\n\t\tclearTimeout( this.replaceStateTimeout );\n\n\t\tif( Date.now() - this.replaceStateTimestamp > this.MAX_REPLACE_STATE_FREQUENCY ) {\n\t\t\tthis.replaceState( url );\n\t\t}\n\t\telse {\n\t\t\tthis.replaceStateTimeout = setTimeout( () => this.replaceState( url ), this.MAX_REPLACE_STATE_FREQUENCY );\n\t\t}\n\n\t}\n\n\t/**\n\t * Return a hash URL that will resolve to the given slide location.\n\t *\n\t * @param {HTMLElement} [slide=currentSlide] The slide to link to\n\t */\n\tgetHash( slide ) {\n\n\t\tlet url = '/';\n\n\t\t// Attempt to create a named link based on the slide's ID\n\t\tlet s = slide || this.Reveal.getCurrentSlide();\n\t\tlet id = s ? s.getAttribute( 'id' ) : null;\n\t\tif( id ) {\n\t\t\tid = encodeURIComponent( id );\n\t\t}\n\n\t\tlet index = this.Reveal.getIndices( slide );\n\t\tif( !this.Reveal.getConfig().fragmentInURL ) {\n\t\t\tindex.f = undefined;\n\t\t}\n\n\t\t// If the current slide has an ID, use that as a named link,\n\t\t// but we don't support named links with a fragment index\n\t\tif( typeof id === 'string' && id.length ) {\n\t\t\turl = '/' + id;\n\n\t\t\t// If there is also a fragment, append that at the end\n\t\t\t// of the named link, like: #/named-link/2\n\t\t\tif( index.f >= 0 ) url += '/' + index.f;\n\t\t}\n\t\t// Otherwise use the /h/v index\n\t\telse {\n\t\t\tlet hashIndexBase = this.Reveal.getConfig().hashOneBasedIndex ? 1 : 0;\n\t\t\tif( index.h > 0 || index.v > 0 || index.f >= 0 ) url += index.h + hashIndexBase;\n\t\t\tif( index.v > 0 || index.f >= 0 ) url += '/' + (index.v + hashIndexBase );\n\t\t\tif( index.f >= 0 ) url += '/' + index.f;\n\t\t}\n\n\t\treturn url;\n\n\t}\n\n\t/**\n\t * Handler for the window level 'hashchange' event.\n\t *\n\t * @param {object} [event]\n\t */\n\tonWindowHashChange( event ) {\n\n\t\tthis.readURL();\n\n\t}\n\n}","import { queryAll } from '../utils/util.js'\nimport { isAndroid } from '../utils/device.js'\n\n/**\n * Manages our presentation controls. This includes both\n * the built-in control arrows as well as event monitoring\n * of any elements within the presentation with either of the\n * following helper classes:\n * - .navigate-up\n * - .navigate-right\n * - .navigate-down\n * - .navigate-left\n * - .navigate-next\n * - .navigate-prev\n */\nexport default class Controls {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t\tthis.onNavigateLeftClicked = this.onNavigateLeftClicked.bind( this );\n\t\tthis.onNavigateRightClicked = this.onNavigateRightClicked.bind( this );\n\t\tthis.onNavigateUpClicked = this.onNavigateUpClicked.bind( this );\n\t\tthis.onNavigateDownClicked = this.onNavigateDownClicked.bind( this );\n\t\tthis.onNavigatePrevClicked = this.onNavigatePrevClicked.bind( this );\n\t\tthis.onNavigateNextClicked = this.onNavigateNextClicked.bind( this );\n\n\t}\n\n\trender() {\n\n\t\tconst rtl = this.Reveal.getConfig().rtl;\n\t\tconst revealElement = this.Reveal.getRevealElement();\n\n\t\tthis.element = document.createElement( 'aside' );\n\t\tthis.element.className = 'controls';\n\t\tthis.element.innerHTML =\n\t\t\t`\n\t\t\t\n\t\t\t\n\t\t\t`;\n\n\t\tthis.Reveal.getRevealElement().appendChild( this.element );\n\n\t\t// There can be multiple instances of controls throughout the page\n\t\tthis.controlsLeft = queryAll( revealElement, '.navigate-left' );\n\t\tthis.controlsRight = queryAll( revealElement, '.navigate-right' );\n\t\tthis.controlsUp = queryAll( revealElement, '.navigate-up' );\n\t\tthis.controlsDown = queryAll( revealElement, '.navigate-down' );\n\t\tthis.controlsPrev = queryAll( revealElement, '.navigate-prev' );\n\t\tthis.controlsNext = queryAll( revealElement, '.navigate-next' );\n\n\t\t// The left, right and down arrows in the standard reveal.js controls\n\t\tthis.controlsRightArrow = this.element.querySelector( '.navigate-right' );\n\t\tthis.controlsLeftArrow = this.element.querySelector( '.navigate-left' );\n\t\tthis.controlsDownArrow = this.element.querySelector( '.navigate-down' );\n\n\t}\n\n\t/**\n\t * Called when the reveal.js config is updated.\n\t */\n\tconfigure( config, oldConfig ) {\n\n\t\tthis.element.style.display = config.controls ? 'block' : 'none';\n\n\t\tthis.element.setAttribute( 'data-controls-layout', config.controlsLayout );\n\t\tthis.element.setAttribute( 'data-controls-back-arrows', config.controlsBackArrows );\n\n\t}\n\n\tbind() {\n\n\t\t// Listen to both touch and click events, in case the device\n\t\t// supports both\n\t\tlet pointerEvents = [ 'touchstart', 'click' ];\n\n\t\t// Only support touch for Android, fixes double navigations in\n\t\t// stock browser\n\t\tif( isAndroid ) {\n\t\t\tpointerEvents = [ 'touchstart' ];\n\t\t}\n\n\t\tpointerEvents.forEach( eventName => {\n\t\t\tthis.controlsLeft.forEach( el => el.addEventListener( eventName, this.onNavigateLeftClicked, false ) );\n\t\t\tthis.controlsRight.forEach( el => el.addEventListener( eventName, this.onNavigateRightClicked, false ) );\n\t\t\tthis.controlsUp.forEach( el => el.addEventListener( eventName, this.onNavigateUpClicked, false ) );\n\t\t\tthis.controlsDown.forEach( el => el.addEventListener( eventName, this.onNavigateDownClicked, false ) );\n\t\t\tthis.controlsPrev.forEach( el => el.addEventListener( eventName, this.onNavigatePrevClicked, false ) );\n\t\t\tthis.controlsNext.forEach( el => el.addEventListener( eventName, this.onNavigateNextClicked, false ) );\n\t\t} );\n\n\t}\n\n\tunbind() {\n\n\t\t[ 'touchstart', 'click' ].forEach( eventName => {\n\t\t\tthis.controlsLeft.forEach( el => el.removeEventListener( eventName, this.onNavigateLeftClicked, false ) );\n\t\t\tthis.controlsRight.forEach( el => el.removeEventListener( eventName, this.onNavigateRightClicked, false ) );\n\t\t\tthis.controlsUp.forEach( el => el.removeEventListener( eventName, this.onNavigateUpClicked, false ) );\n\t\t\tthis.controlsDown.forEach( el => el.removeEventListener( eventName, this.onNavigateDownClicked, false ) );\n\t\t\tthis.controlsPrev.forEach( el => el.removeEventListener( eventName, this.onNavigatePrevClicked, false ) );\n\t\t\tthis.controlsNext.forEach( el => el.removeEventListener( eventName, this.onNavigateNextClicked, false ) );\n\t\t} );\n\n\t}\n\n\t/**\n\t * Updates the state of all control/navigation arrows.\n\t */\n\tupdate() {\n\n\t\tlet routes = this.Reveal.availableRoutes();\n\n\t\t// Remove the 'enabled' class from all directions\n\t\t[...this.controlsLeft, ...this.controlsRight, ...this.controlsUp, ...this.controlsDown, ...this.controlsPrev, ...this.controlsNext].forEach( node => {\n\t\t\tnode.classList.remove( 'enabled', 'fragmented' );\n\n\t\t\t// Set 'disabled' attribute on all directions\n\t\t\tnode.setAttribute( 'disabled', 'disabled' );\n\t\t} );\n\n\t\t// Add the 'enabled' class to the available routes; remove 'disabled' attribute to enable buttons\n\t\tif( routes.left ) this.controlsLeft.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\t\tif( routes.right ) this.controlsRight.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\t\tif( routes.up ) this.controlsUp.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\t\tif( routes.down ) this.controlsDown.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\n\t\t// Prev/next buttons\n\t\tif( routes.left || routes.up ) this.controlsPrev.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\t\tif( routes.right || routes.down ) this.controlsNext.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\n\t\t// Highlight fragment directions\n\t\tlet currentSlide = this.Reveal.getCurrentSlide();\n\t\tif( currentSlide ) {\n\n\t\t\tlet fragmentsRoutes = this.Reveal.fragments.availableRoutes();\n\n\t\t\t// Always apply fragment decorator to prev/next buttons\n\t\t\tif( fragmentsRoutes.prev ) this.controlsPrev.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\t\t\tif( fragmentsRoutes.next ) this.controlsNext.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\n\t\t\t// Apply fragment decorators to directional buttons based on\n\t\t\t// what slide axis they are in\n\t\t\tif( this.Reveal.isVerticalSlide( currentSlide ) ) {\n\t\t\t\tif( fragmentsRoutes.prev ) this.controlsUp.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\t\t\t\tif( fragmentsRoutes.next ) this.controlsDown.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\t\t\t}\n\t\t\telse {\n\t\t\t\tif( fragmentsRoutes.prev ) this.controlsLeft.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\t\t\t\tif( fragmentsRoutes.next ) this.controlsRight.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\t\t\t}\n\n\t\t}\n\n\t\tif( this.Reveal.getConfig().controlsTutorial ) {\n\n\t\t\tlet indices = this.Reveal.getIndices();\n\n\t\t\t// Highlight control arrows with an animation to ensure\n\t\t\t// that the viewer knows how to navigate\n\t\t\tif( !this.Reveal.hasNavigatedVertically() && routes.down ) {\n\t\t\t\tthis.controlsDownArrow.classList.add( 'highlight' );\n\t\t\t}\n\t\t\telse {\n\t\t\t\tthis.controlsDownArrow.classList.remove( 'highlight' );\n\n\t\t\t\tif( this.Reveal.getConfig().rtl ) {\n\n\t\t\t\t\tif( !this.Reveal.hasNavigatedHorizontally() && routes.left && indices.v === 0 ) {\n\t\t\t\t\t\tthis.controlsLeftArrow.classList.add( 'highlight' );\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tthis.controlsLeftArrow.classList.remove( 'highlight' );\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif( !this.Reveal.hasNavigatedHorizontally() && routes.right && indices.v === 0 ) {\n\t\t\t\t\t\tthis.controlsRightArrow.classList.add( 'highlight' );\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tthis.controlsRightArrow.classList.remove( 'highlight' );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\tdestroy() {\n\n\t\tthis.unbind();\n\t\tthis.element.remove();\n\n\t}\n\n\t/**\n\t * Event handlers for navigation control buttons.\n\t */\n\tonNavigateLeftClicked( event ) {\n\n\t\tevent.preventDefault();\n\t\tthis.Reveal.onUserInput();\n\n\t\tif( this.Reveal.getConfig().navigationMode === 'linear' ) {\n\t\t\tthis.Reveal.prev();\n\t\t}\n\t\telse {\n\t\t\tthis.Reveal.left();\n\t\t}\n\n\t}\n\n\tonNavigateRightClicked( event ) {\n\n\t\tevent.preventDefault();\n\t\tthis.Reveal.onUserInput();\n\n\t\tif( this.Reveal.getConfig().navigationMode === 'linear' ) {\n\t\t\tthis.Reveal.next();\n\t\t}\n\t\telse {\n\t\t\tthis.Reveal.right();\n\t\t}\n\n\t}\n\n\tonNavigateUpClicked( event ) {\n\n\t\tevent.preventDefault();\n\t\tthis.Reveal.onUserInput();\n\n\t\tthis.Reveal.up();\n\n\t}\n\n\tonNavigateDownClicked( event ) {\n\n\t\tevent.preventDefault();\n\t\tthis.Reveal.onUserInput();\n\n\t\tthis.Reveal.down();\n\n\t}\n\n\tonNavigatePrevClicked( event ) {\n\n\t\tevent.preventDefault();\n\t\tthis.Reveal.onUserInput();\n\n\t\tthis.Reveal.prev();\n\n\t}\n\n\tonNavigateNextClicked( event ) {\n\n\t\tevent.preventDefault();\n\t\tthis.Reveal.onUserInput();\n\n\t\tthis.Reveal.next();\n\n\t}\n\n\n}","/**\n * Creates a visual progress bar for the presentation.\n */\nexport default class Progress {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t\tthis.onProgressClicked = this.onProgressClicked.bind( this );\n\n\t}\n\n\trender() {\n\n\t\tthis.element = document.createElement( 'div' );\n\t\tthis.element.className = 'progress';\n\t\tthis.Reveal.getRevealElement().appendChild( this.element );\n\n\t\tthis.bar = document.createElement( 'span' );\n\t\tthis.element.appendChild( this.bar );\n\n\t}\n\n\t/**\n\t * Called when the reveal.js config is updated.\n\t */\n\tconfigure( config, oldConfig ) {\n\n\t\tthis.element.style.display = config.progress ? 'block' : 'none';\n\n\t}\n\n\tbind() {\n\n\t\tif( this.Reveal.getConfig().progress && this.element ) {\n\t\t\tthis.element.addEventListener( 'click', this.onProgressClicked, false );\n\t\t}\n\n\t}\n\n\tunbind() {\n\n\t\tif ( this.Reveal.getConfig().progress && this.element ) {\n\t\t\tthis.element.removeEventListener( 'click', this.onProgressClicked, false );\n\t\t}\n\n\t}\n\n\t/**\n\t * Updates the progress bar to reflect the current slide.\n\t */\n\tupdate() {\n\n\t\t// Update progress if enabled\n\t\tif( this.Reveal.getConfig().progress && this.bar ) {\n\n\t\t\tlet scale = this.Reveal.getProgress();\n\n\t\t\t// Don't fill the progress bar if there's only one slide\n\t\t\tif( this.Reveal.getTotalSlides() < 2 ) {\n\t\t\t\tscale = 0;\n\t\t\t}\n\n\t\t\tthis.bar.style.transform = 'scaleX('+ scale +')';\n\n\t\t}\n\n\t}\n\n\tgetMaxWidth() {\n\n\t\treturn this.Reveal.getRevealElement().offsetWidth;\n\n\t}\n\n\t/**\n\t * Clicking on the progress bar results in a navigation to the\n\t * closest approximate horizontal slide using this equation:\n\t *\n\t * ( clickX / presentationWidth ) * numberOfSlides\n\t *\n\t * @param {object} event\n\t */\n\tonProgressClicked( event ) {\n\n\t\tthis.Reveal.onUserInput( event );\n\n\t\tevent.preventDefault();\n\n\t\tlet slides = this.Reveal.getSlides();\n\t\tlet slidesTotal = slides.length;\n\t\tlet slideIndex = Math.floor( ( event.clientX / this.getMaxWidth() ) * slidesTotal );\n\n\t\tif( this.Reveal.getConfig().rtl ) {\n\t\t\tslideIndex = slidesTotal - slideIndex;\n\t\t}\n\n\t\tlet targetIndices = this.Reveal.getIndices(slides[slideIndex]);\n\t\tthis.Reveal.slide( targetIndices.h, targetIndices.v );\n\n\t}\n\n\tdestroy() {\n\n\t\tthis.element.remove();\n\n\t}\n\n}","/**\n * Handles hiding of the pointer/cursor when inactive.\n */\nexport default class Pointer {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t\t// Throttles mouse wheel navigation\n\t\tthis.lastMouseWheelStep = 0;\n\n\t\t// Is the mouse pointer currently hidden from view\n\t\tthis.cursorHidden = false;\n\n\t\t// Timeout used to determine when the cursor is inactive\n\t\tthis.cursorInactiveTimeout = 0;\n\n\t\tthis.onDocumentCursorActive = this.onDocumentCursorActive.bind( this );\n\t\tthis.onDocumentMouseScroll = this.onDocumentMouseScroll.bind( this );\n\n\t}\n\n\t/**\n\t * Called when the reveal.js config is updated.\n\t */\n\tconfigure( config, oldConfig ) {\n\n\t\tif( config.mouseWheel ) {\n\t\t\tdocument.addEventListener( 'DOMMouseScroll', this.onDocumentMouseScroll, false ); // FF\n\t\t\tdocument.addEventListener( 'mousewheel', this.onDocumentMouseScroll, false );\n\t\t}\n\t\telse {\n\t\t\tdocument.removeEventListener( 'DOMMouseScroll', this.onDocumentMouseScroll, false ); // FF\n\t\t\tdocument.removeEventListener( 'mousewheel', this.onDocumentMouseScroll, false );\n\t\t}\n\n\t\t// Auto-hide the mouse pointer when its inactive\n\t\tif( config.hideInactiveCursor ) {\n\t\t\tdocument.addEventListener( 'mousemove', this.onDocumentCursorActive, false );\n\t\t\tdocument.addEventListener( 'mousedown', this.onDocumentCursorActive, false );\n\t\t}\n\t\telse {\n\t\t\tthis.showCursor();\n\n\t\t\tdocument.removeEventListener( 'mousemove', this.onDocumentCursorActive, false );\n\t\t\tdocument.removeEventListener( 'mousedown', this.onDocumentCursorActive, false );\n\t\t}\n\n\t}\n\n\t/**\n\t * Shows the mouse pointer after it has been hidden with\n\t * #hideCursor.\n\t */\n\tshowCursor() {\n\n\t\tif( this.cursorHidden ) {\n\t\t\tthis.cursorHidden = false;\n\t\t\tthis.Reveal.getRevealElement().style.cursor = '';\n\t\t}\n\n\t}\n\n\t/**\n\t * Hides the mouse pointer when it's on top of the .reveal\n\t * container.\n\t */\n\thideCursor() {\n\n\t\tif( this.cursorHidden === false ) {\n\t\t\tthis.cursorHidden = true;\n\t\t\tthis.Reveal.getRevealElement().style.cursor = 'none';\n\t\t}\n\n\t}\n\n\tdestroy() {\n\n\t\tthis.showCursor();\n\n\t\tdocument.removeEventListener( 'DOMMouseScroll', this.onDocumentMouseScroll, false );\n\t\tdocument.removeEventListener( 'mousewheel', this.onDocumentMouseScroll, false );\n\t\tdocument.removeEventListener( 'mousemove', this.onDocumentCursorActive, false );\n\t\tdocument.removeEventListener( 'mousedown', this.onDocumentCursorActive, false );\n\n\t}\n\n\t/**\n\t * Called whenever there is mouse input at the document level\n\t * to determine if the cursor is active or not.\n\t *\n\t * @param {object} event\n\t */\n\tonDocumentCursorActive( event ) {\n\n\t\tthis.showCursor();\n\n\t\tclearTimeout( this.cursorInactiveTimeout );\n\n\t\tthis.cursorInactiveTimeout = setTimeout( this.hideCursor.bind( this ), this.Reveal.getConfig().hideCursorTime );\n\n\t}\n\n\t/**\n\t * Handles mouse wheel scrolling, throttled to avoid skipping\n\t * multiple slides.\n\t *\n\t * @param {object} event\n\t */\n\tonDocumentMouseScroll( event ) {\n\n\t\tif( Date.now() - this.lastMouseWheelStep > 1000 ) {\n\n\t\t\tthis.lastMouseWheelStep = Date.now();\n\n\t\t\tlet delta = event.detail || -event.wheelDelta;\n\t\t\tif( delta > 0 ) {\n\t\t\t\tthis.Reveal.next();\n\t\t\t}\n\t\t\telse if( delta < 0 ) {\n\t\t\t\tthis.Reveal.prev();\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}","/**\n * Loads a JavaScript file from the given URL and executes it.\n *\n * @param {string} url Address of the .js file to load\n * @param {function} callback Method to invoke when the script\n * has loaded and executed\n */\nexport const loadScript = ( url, callback ) => {\n\n\tconst script = document.createElement( 'script' );\n\tscript.type = 'text/javascript';\n\tscript.async = false;\n\tscript.defer = false;\n\tscript.src = url;\n\n\tif( typeof callback === 'function' ) {\n\n\t\t// Success callback\n\t\tscript.onload = script.onreadystatechange = event => {\n\t\t\tif( event.type === 'load' || /loaded|complete/.test( script.readyState ) ) {\n\n\t\t\t\t// Kill event listeners\n\t\t\t\tscript.onload = script.onreadystatechange = script.onerror = null;\n\n\t\t\t\tcallback();\n\n\t\t\t}\n\t\t};\n\n\t\t// Error callback\n\t\tscript.onerror = err => {\n\n\t\t\t// Kill event listeners\n\t\t\tscript.onload = script.onreadystatechange = script.onerror = null;\n\n\t\t\tcallback( new Error( 'Failed loading script: ' + script.src + '\\n' + err ) );\n\n\t\t};\n\n\t}\n\n\t// Append the script at the end of \n\tconst head = document.querySelector( 'head' );\n\thead.insertBefore( script, head.lastChild );\n\n}","import { loadScript } from '../utils/loader.js'\n\n/**\n * Manages loading and registering of reveal.js plugins.\n */\nexport default class Plugins {\n\n\tconstructor( reveal ) {\n\n\t\tthis.Reveal = reveal;\n\n\t\t// Flags our current state (idle -> loading -> loaded)\n\t\tthis.state = 'idle';\n\n\t\t// An id:instance map of currently registed plugins\n\t\tthis.registeredPlugins = {};\n\n\t\tthis.asyncDependencies = [];\n\n\t}\n\n\t/**\n\t * Loads reveal.js dependencies, registers and\n\t * initializes plugins.\n\t *\n\t * Plugins are direct references to a reveal.js plugin\n\t * object that we register and initialize after any\n\t * synchronous dependencies have loaded.\n\t *\n\t * Dependencies are defined via the 'dependencies' config\n\t * option and will be loaded prior to starting reveal.js.\n\t * Some dependencies may have an 'async' flag, if so they\n\t * will load after reveal.js has been started up.\n\t */\n\tload( plugins, dependencies ) {\n\n\t\tthis.state = 'loading';\n\n\t\tplugins.forEach( this.registerPlugin.bind( this ) );\n\n\t\treturn new Promise( resolve => {\n\n\t\t\tlet scripts = [],\n\t\t\t\tscriptsToLoad = 0;\n\n\t\t\tdependencies.forEach( s => {\n\t\t\t\t// Load if there's no condition or the condition is truthy\n\t\t\t\tif( !s.condition || s.condition() ) {\n\t\t\t\t\tif( s.async ) {\n\t\t\t\t\t\tthis.asyncDependencies.push( s );\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tscripts.push( s );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\tif( scripts.length ) {\n\t\t\t\tscriptsToLoad = scripts.length;\n\n\t\t\t\tconst scriptLoadedCallback = (s) => {\n\t\t\t\t\tif( s && typeof s.callback === 'function' ) s.callback();\n\n\t\t\t\t\tif( --scriptsToLoad === 0 ) {\n\t\t\t\t\t\tthis.initPlugins().then( resolve );\n\t\t\t\t\t}\n\t\t\t\t};\n\n\t\t\t\t// Load synchronous scripts\n\t\t\t\tscripts.forEach( s => {\n\t\t\t\t\tif( typeof s.id === 'string' ) {\n\t\t\t\t\t\tthis.registerPlugin( s );\n\t\t\t\t\t\tscriptLoadedCallback( s );\n\t\t\t\t\t}\n\t\t\t\t\telse if( typeof s.src === 'string' ) {\n\t\t\t\t\t\tloadScript( s.src, () => scriptLoadedCallback(s) );\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tconsole.warn( 'Unrecognized plugin format', s );\n\t\t\t\t\t\tscriptLoadedCallback();\n\t\t\t\t\t}\n\t\t\t\t} );\n\t\t\t}\n\t\t\telse {\n\t\t\t\tthis.initPlugins().then( resolve );\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Initializes our plugins and waits for them to be ready\n\t * before proceeding.\n\t */\n\tinitPlugins() {\n\n\t\treturn new Promise( resolve => {\n\n\t\t\tlet pluginValues = Object.values( this.registeredPlugins );\n\t\t\tlet pluginsToInitialize = pluginValues.length;\n\n\t\t\t// If there are no plugins, skip this step\n\t\t\tif( pluginsToInitialize === 0 ) {\n\t\t\t\tthis.loadAsync().then( resolve );\n\t\t\t}\n\t\t\t// ... otherwise initialize plugins\n\t\t\telse {\n\n\t\t\t\tlet initNextPlugin;\n\n\t\t\t\tlet afterPlugInitialized = () => {\n\t\t\t\t\tif( --pluginsToInitialize === 0 ) {\n\t\t\t\t\t\tthis.loadAsync().then( resolve );\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tinitNextPlugin();\n\t\t\t\t\t}\n\t\t\t\t};\n\n\t\t\t\tlet i = 0;\n\n\t\t\t\t// Initialize plugins serially\n\t\t\t\tinitNextPlugin = () => {\n\n\t\t\t\t\tlet plugin = pluginValues[i++];\n\n\t\t\t\t\t// If the plugin has an 'init' method, invoke it\n\t\t\t\t\tif( typeof plugin.init === 'function' ) {\n\t\t\t\t\t\tlet promise = plugin.init( this.Reveal );\n\n\t\t\t\t\t\t// If the plugin returned a Promise, wait for it\n\t\t\t\t\t\tif( promise && typeof promise.then === 'function' ) {\n\t\t\t\t\t\t\tpromise.then( afterPlugInitialized );\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\tafterPlugInitialized();\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tafterPlugInitialized();\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tinitNextPlugin();\n\n\t\t\t}\n\n\t\t} )\n\n\t}\n\n\t/**\n\t * Loads all async reveal.js dependencies.\n\t */\n\tloadAsync() {\n\n\t\tthis.state = 'loaded';\n\n\t\tif( this.asyncDependencies.length ) {\n\t\t\tthis.asyncDependencies.forEach( s => {\n\t\t\t\tloadScript( s.src, s.callback );\n\t\t\t} );\n\t\t}\n\n\t\treturn Promise.resolve();\n\n\t}\n\n\t/**\n\t * Registers a new plugin with this reveal.js instance.\n\t *\n\t * reveal.js waits for all regisered plugins to initialize\n\t * before considering itself ready, as long as the plugin\n\t * is registered before calling `Reveal.initialize()`.\n\t */\n\tregisterPlugin( plugin ) {\n\n\t\t// Backwards compatibility to make reveal.js ~3.9.0\n\t\t// plugins work with reveal.js 4.0.0\n\t\tif( arguments.length === 2 && typeof arguments[0] === 'string' ) {\n\t\t\tplugin = arguments[1];\n\t\t\tplugin.id = arguments[0];\n\t\t}\n\t\t// Plugin can optionally be a function which we call\n\t\t// to create an instance of the plugin\n\t\telse if( typeof plugin === 'function' ) {\n\t\t\tplugin = plugin();\n\t\t}\n\n\t\tlet id = plugin.id;\n\n\t\tif( typeof id !== 'string' ) {\n\t\t\tconsole.warn( 'Unrecognized plugin format; can\\'t find plugin.id', plugin );\n\t\t}\n\t\telse if( this.registeredPlugins[id] === undefined ) {\n\t\t\tthis.registeredPlugins[id] = plugin;\n\n\t\t\t// If a plugin is registered after reveal.js is loaded,\n\t\t\t// initialize it right away\n\t\t\tif( this.state === 'loaded' && typeof plugin.init === 'function' ) {\n\t\t\t\tplugin.init( this.Reveal );\n\t\t\t}\n\t\t}\n\t\telse {\n\t\t\tconsole.warn( 'reveal.js: \"'+ id +'\" plugin has already been registered' );\n\t\t}\n\n\t}\n\n\t/**\n\t * Checks if a specific plugin has been registered.\n\t *\n\t * @param {String} id Unique plugin identifier\n\t */\n\thasPlugin( id ) {\n\n\t\treturn !!this.registeredPlugins[id];\n\n\t}\n\n\t/**\n\t * Returns the specific plugin instance, if a plugin\n\t * with the given ID has been registered.\n\t *\n\t * @param {String} id Unique plugin identifier\n\t */\n\tgetPlugin( id ) {\n\n\t\treturn this.registeredPlugins[id];\n\n\t}\n\n\tgetRegisteredPlugins() {\n\n\t\treturn this.registeredPlugins;\n\n\t}\n\n\tdestroy() {\n\n\t\tObject.values( this.registeredPlugins ).forEach( plugin => {\n\t\t\tif( typeof plugin.destroy === 'function' ) {\n\t\t\t\tplugin.destroy();\n\t\t\t}\n\t\t} );\n\n\t\tthis.registeredPlugins = {};\n\t\tthis.asyncDependencies = [];\n\n\t}\n\n}\n","import { SLIDES_SELECTOR } from '../utils/constants.js'\nimport { queryAll, createStyleSheet } from '../utils/util.js'\n\n/**\n * Setups up our presentation for printing/exporting to PDF.\n */\nexport default class Print {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t}\n\n\t/**\n\t * Configures the presentation for printing to a static\n\t * PDF.\n\t */\n\tasync setupPDF() {\n\n\t\tconst config = this.Reveal.getConfig();\n\t\tconst slides = queryAll( this.Reveal.getRevealElement(), SLIDES_SELECTOR )\n\n\t\t// Compute slide numbers now, before we start duplicating slides\n\t\tconst doingSlideNumbers = config.slideNumber && /all|print/i.test( config.showSlideNumber );\n\n\t\tconst slideSize = this.Reveal.getComputedSlideSize( window.innerWidth, window.innerHeight );\n\n\t\t// Dimensions of the PDF pages\n\t\tconst pageWidth = Math.floor( slideSize.width * ( 1 + config.margin ) ),\n\t\t\tpageHeight = Math.floor( slideSize.height * ( 1 + config.margin ) );\n\n\t\t// Dimensions of slides within the pages\n\t\tconst slideWidth = slideSize.width,\n\t\t\tslideHeight = slideSize.height;\n\n\t\tawait new Promise( requestAnimationFrame );\n\n\t\t// Let the browser know what page size we want to print\n\t\tcreateStyleSheet( '@page{size:'+ pageWidth +'px '+ pageHeight +'px; margin: 0px;}' );\n\n\t\t// Limit the size of certain elements to the dimensions of the slide\n\t\tcreateStyleSheet( '.reveal section>img, .reveal section>video, .reveal section>iframe{max-width: '+ slideWidth +'px; max-height:'+ slideHeight +'px}' );\n\n\t\tdocument.documentElement.classList.add( 'print-pdf' );\n\t\tdocument.body.style.width = pageWidth + 'px';\n\t\tdocument.body.style.height = pageHeight + 'px';\n\n\t\tconst viewportElement = document.querySelector( '.reveal-viewport' );\n\t\tlet presentationBackground;\n\t\tif( viewportElement ) {\n\t\t\tconst viewportStyles = window.getComputedStyle( viewportElement );\n\t\t\tif( viewportStyles && viewportStyles.background ) {\n\t\t\t\tpresentationBackground = viewportStyles.background;\n\t\t\t}\n\t\t}\n\n\t\t// Make sure stretch elements fit on slide\n\t\tawait new Promise( requestAnimationFrame );\n\t\tthis.Reveal.layoutSlideContents( slideWidth, slideHeight );\n\n\t\t// Batch scrollHeight access to prevent layout thrashing\n\t\tawait new Promise( requestAnimationFrame );\n\n\t\tconst slideScrollHeights = slides.map( slide => slide.scrollHeight );\n\n\t\tconst pages = [];\n\t\tconst pageContainer = slides[0].parentNode;\n\n\t\t// Slide and slide background layout\n\t\tslides.forEach( function( slide, index ) {\n\n\t\t\t// Vertical stacks are not centred since their section\n\t\t\t// children will be\n\t\t\tif( slide.classList.contains( 'stack' ) === false ) {\n\t\t\t\t// Center the slide inside of the page, giving the slide some margin\n\t\t\t\tlet left = ( pageWidth - slideWidth ) / 2;\n\t\t\t\tlet top = ( pageHeight - slideHeight ) / 2;\n\n\t\t\t\tconst contentHeight = slideScrollHeights[ index ];\n\t\t\t\tlet numberOfPages = Math.max( Math.ceil( contentHeight / pageHeight ), 1 );\n\n\t\t\t\t// Adhere to configured pages per slide limit\n\t\t\t\tnumberOfPages = Math.min( numberOfPages, config.pdfMaxPagesPerSlide );\n\n\t\t\t\t// Center slides vertically\n\t\t\t\tif( numberOfPages === 1 && config.center || slide.classList.contains( 'center' ) ) {\n\t\t\t\t\ttop = Math.max( ( pageHeight - contentHeight ) / 2, 0 );\n\t\t\t\t}\n\n\t\t\t\t// Wrap the slide in a page element and hide its overflow\n\t\t\t\t// so that no page ever flows onto another\n\t\t\t\tconst page = document.createElement( 'div' );\n\t\t\t\tpages.push( page );\n\n\t\t\t\tpage.className = 'pdf-page';\n\t\t\t\tpage.style.height = ( ( pageHeight + config.pdfPageHeightOffset ) * numberOfPages ) + 'px';\n\n\t\t\t\t// Copy the presentation-wide background to each individual\n\t\t\t\t// page when printing\n\t\t\t\tif( presentationBackground ) {\n\t\t\t\t\tpage.style.background = presentationBackground;\n\t\t\t\t}\n\n\t\t\t\tpage.appendChild( slide );\n\n\t\t\t\t// Position the slide inside of the page\n\t\t\t\tslide.style.left = left + 'px';\n\t\t\t\tslide.style.top = top + 'px';\n\t\t\t\tslide.style.width = slideWidth + 'px';\n\n\t\t\t\t// Re-run the slide layout so that r-fit-text is applied based on\n\t\t\t\t// the printed slide size\n\t\t\t\tthis.Reveal.slideContent.layout( slide )\n\n\t\t\t\tif( slide.slideBackgroundElement ) {\n\t\t\t\t\tpage.insertBefore( slide.slideBackgroundElement, slide );\n\t\t\t\t}\n\n\t\t\t\t// Inject notes if `showNotes` is enabled\n\t\t\t\tif( config.showNotes ) {\n\n\t\t\t\t\t// Are there notes for this slide?\n\t\t\t\t\tconst notes = this.Reveal.getSlideNotes( slide );\n\t\t\t\t\tif( notes ) {\n\n\t\t\t\t\t\tconst notesSpacing = 8;\n\t\t\t\t\t\tconst notesLayout = typeof config.showNotes === 'string' ? config.showNotes : 'inline';\n\t\t\t\t\t\tconst notesElement = document.createElement( 'div' );\n\t\t\t\t\t\tnotesElement.classList.add( 'speaker-notes' );\n\t\t\t\t\t\tnotesElement.classList.add( 'speaker-notes-pdf' );\n\t\t\t\t\t\tnotesElement.setAttribute( 'data-layout', notesLayout );\n\t\t\t\t\t\tnotesElement.innerHTML = notes;\n\n\t\t\t\t\t\tif( notesLayout === 'separate-page' ) {\n\t\t\t\t\t\t\tpages.push( notesElement );\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\tnotesElement.style.left = notesSpacing + 'px';\n\t\t\t\t\t\t\tnotesElement.style.bottom = notesSpacing + 'px';\n\t\t\t\t\t\t\tnotesElement.style.width = ( pageWidth - notesSpacing*2 ) + 'px';\n\t\t\t\t\t\t\tpage.appendChild( notesElement );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// Inject slide numbers if `slideNumbers` are enabled\n\t\t\t\tif( doingSlideNumbers ) {\n\t\t\t\t\tconst slideNumber = index + 1;\n\t\t\t\t\tconst numberElement = document.createElement( 'div' );\n\t\t\t\t\tnumberElement.classList.add( 'slide-number' );\n\t\t\t\t\tnumberElement.classList.add( 'slide-number-pdf' );\n\t\t\t\t\tnumberElement.innerHTML = slideNumber;\n\t\t\t\t\tpage.appendChild( numberElement );\n\t\t\t\t}\n\n\t\t\t\t// Copy page and show fragments one after another\n\t\t\t\tif( config.pdfSeparateFragments ) {\n\n\t\t\t\t\t// Each fragment 'group' is an array containing one or more\n\t\t\t\t\t// fragments. Multiple fragments that appear at the same time\n\t\t\t\t\t// are part of the same group.\n\t\t\t\t\tconst fragmentGroups = this.Reveal.fragments.sort( page.querySelectorAll( '.fragment' ), true );\n\n\t\t\t\t\tlet previousFragmentStep;\n\n\t\t\t\t\tfragmentGroups.forEach( function( fragments ) {\n\n\t\t\t\t\t\t// Remove 'current-fragment' from the previous group\n\t\t\t\t\t\tif( previousFragmentStep ) {\n\t\t\t\t\t\t\tpreviousFragmentStep.forEach( function( fragment ) {\n\t\t\t\t\t\t\t\tfragment.classList.remove( 'current-fragment' );\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// Show the fragments for the current index\n\t\t\t\t\t\tfragments.forEach( function( fragment ) {\n\t\t\t\t\t\t\tfragment.classList.add( 'visible', 'current-fragment' );\n\t\t\t\t\t\t}, this );\n\n\t\t\t\t\t\t// Create a separate page for the current fragment state\n\t\t\t\t\t\tconst clonedPage = page.cloneNode( true );\n\t\t\t\t\t\tpages.push( clonedPage );\n\n\t\t\t\t\t\tpreviousFragmentStep = fragments;\n\n\t\t\t\t\t}, this );\n\n\t\t\t\t\t// Reset the first/original page so that all fragments are hidden\n\t\t\t\t\tfragmentGroups.forEach( function( fragments ) {\n\t\t\t\t\t\tfragments.forEach( function( fragment ) {\n\t\t\t\t\t\t\tfragment.classList.remove( 'visible', 'current-fragment' );\n\t\t\t\t\t\t} );\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\t\t\t\t// Show all fragments\n\t\t\t\telse {\n\t\t\t\t\tqueryAll( page, '.fragment:not(.fade-out)' ).forEach( function( fragment ) {\n\t\t\t\t\t\tfragment.classList.add( 'visible' );\n\t\t\t\t\t} );\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}, this );\n\n\t\tawait new Promise( requestAnimationFrame );\n\n\t\tpages.forEach( page => pageContainer.appendChild( page ) );\n\n\t\t// Notify subscribers that the PDF layout is good to go\n\t\tthis.Reveal.dispatchEvent({ type: 'pdf-ready' });\n\n\t}\n\n\t/**\n\t * Checks if this instance is being used to print a PDF.\n\t */\n\tisPrintingPDF() {\n\n\t\treturn ( /print-pdf/gi ).test( window.location.search );\n\n\t}\n\n}\n","import { isAndroid } from '../utils/device.js'\nimport { matches } from '../utils/util.js'\n\nconst SWIPE_THRESHOLD = 40;\n\n/**\n * Controls all touch interactions and navigations for\n * a presentation.\n */\nexport default class Touch {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t\t// Holds information about the currently ongoing touch interaction\n\t\tthis.touchStartX = 0;\n\t\tthis.touchStartY = 0;\n\t\tthis.touchStartCount = 0;\n\t\tthis.touchCaptured = false;\n\n\t\tthis.onPointerDown = this.onPointerDown.bind( this );\n\t\tthis.onPointerMove = this.onPointerMove.bind( this );\n\t\tthis.onPointerUp = this.onPointerUp.bind( this );\n\t\tthis.onTouchStart = this.onTouchStart.bind( this );\n\t\tthis.onTouchMove = this.onTouchMove.bind( this );\n\t\tthis.onTouchEnd = this.onTouchEnd.bind( this );\n\n\t}\n\n\t/**\n\t *\n\t */\n\tbind() {\n\n\t\tlet revealElement = this.Reveal.getRevealElement();\n\n\t\tif( 'onpointerdown' in window ) {\n\t\t\t// Use W3C pointer events\n\t\t\trevealElement.addEventListener( 'pointerdown', this.onPointerDown, false );\n\t\t\trevealElement.addEventListener( 'pointermove', this.onPointerMove, false );\n\t\t\trevealElement.addEventListener( 'pointerup', this.onPointerUp, false );\n\t\t}\n\t\telse if( window.navigator.msPointerEnabled ) {\n\t\t\t// IE 10 uses prefixed version of pointer events\n\t\t\trevealElement.addEventListener( 'MSPointerDown', this.onPointerDown, false );\n\t\t\trevealElement.addEventListener( 'MSPointerMove', this.onPointerMove, false );\n\t\t\trevealElement.addEventListener( 'MSPointerUp', this.onPointerUp, false );\n\t\t}\n\t\telse {\n\t\t\t// Fall back to touch events\n\t\t\trevealElement.addEventListener( 'touchstart', this.onTouchStart, false );\n\t\t\trevealElement.addEventListener( 'touchmove', this.onTouchMove, false );\n\t\t\trevealElement.addEventListener( 'touchend', this.onTouchEnd, false );\n\t\t}\n\n\t}\n\n\t/**\n\t *\n\t */\n\tunbind() {\n\n\t\tlet revealElement = this.Reveal.getRevealElement();\n\n\t\trevealElement.removeEventListener( 'pointerdown', this.onPointerDown, false );\n\t\trevealElement.removeEventListener( 'pointermove', this.onPointerMove, false );\n\t\trevealElement.removeEventListener( 'pointerup', this.onPointerUp, false );\n\n\t\trevealElement.removeEventListener( 'MSPointerDown', this.onPointerDown, false );\n\t\trevealElement.removeEventListener( 'MSPointerMove', this.onPointerMove, false );\n\t\trevealElement.removeEventListener( 'MSPointerUp', this.onPointerUp, false );\n\n\t\trevealElement.removeEventListener( 'touchstart', this.onTouchStart, false );\n\t\trevealElement.removeEventListener( 'touchmove', this.onTouchMove, false );\n\t\trevealElement.removeEventListener( 'touchend', this.onTouchEnd, false );\n\n\t}\n\n\t/**\n\t * Checks if the target element prevents the triggering of\n\t * swipe navigation.\n\t */\n\tisSwipePrevented( target ) {\n\n\t\t// Prevent accidental swipes when scrubbing timelines\n\t\tif( matches( target, 'video, audio' ) ) return true;\n\n\t\twhile( target && typeof target.hasAttribute === 'function' ) {\n\t\t\tif( target.hasAttribute( 'data-prevent-swipe' ) ) return true;\n\t\t\ttarget = target.parentNode;\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\t/**\n\t * Handler for the 'touchstart' event, enables support for\n\t * swipe and pinch gestures.\n\t *\n\t * @param {object} event\n\t */\n\tonTouchStart( event ) {\n\n\t\tif( this.isSwipePrevented( event.target ) ) return true;\n\n\t\tthis.touchStartX = event.touches[0].clientX;\n\t\tthis.touchStartY = event.touches[0].clientY;\n\t\tthis.touchStartCount = event.touches.length;\n\n\t}\n\n\t/**\n\t * Handler for the 'touchmove' event.\n\t *\n\t * @param {object} event\n\t */\n\tonTouchMove( event ) {\n\n\t\tif( this.isSwipePrevented( event.target ) ) return true;\n\n\t\tlet config = this.Reveal.getConfig();\n\n\t\t// Each touch should only trigger one action\n\t\tif( !this.touchCaptured ) {\n\t\t\tthis.Reveal.onUserInput( event );\n\n\t\t\tlet currentX = event.touches[0].clientX;\n\t\t\tlet currentY = event.touches[0].clientY;\n\n\t\t\t// There was only one touch point, look for a swipe\n\t\t\tif( event.touches.length === 1 && this.touchStartCount !== 2 ) {\n\n\t\t\t\tlet availableRoutes = this.Reveal.availableRoutes({ includeFragments: true });\n\n\t\t\t\tlet deltaX = currentX - this.touchStartX,\n\t\t\t\t\tdeltaY = currentY - this.touchStartY;\n\n\t\t\t\tif( deltaX > SWIPE_THRESHOLD && Math.abs( deltaX ) > Math.abs( deltaY ) ) {\n\t\t\t\t\tthis.touchCaptured = true;\n\t\t\t\t\tif( config.navigationMode === 'linear' ) {\n\t\t\t\t\t\tif( config.rtl ) {\n\t\t\t\t\t\t\tthis.Reveal.next();\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\tthis.Reveal.prev();\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tthis.Reveal.left();\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\telse if( deltaX < -SWIPE_THRESHOLD && Math.abs( deltaX ) > Math.abs( deltaY ) ) {\n\t\t\t\t\tthis.touchCaptured = true;\n\t\t\t\t\tif( config.navigationMode === 'linear' ) {\n\t\t\t\t\t\tif( config.rtl ) {\n\t\t\t\t\t\t\tthis.Reveal.prev();\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\tthis.Reveal.next();\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tthis.Reveal.right();\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\telse if( deltaY > SWIPE_THRESHOLD && availableRoutes.up ) {\n\t\t\t\t\tthis.touchCaptured = true;\n\t\t\t\t\tif( config.navigationMode === 'linear' ) {\n\t\t\t\t\t\tthis.Reveal.prev();\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tthis.Reveal.up();\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\telse if( deltaY < -SWIPE_THRESHOLD && availableRoutes.down ) {\n\t\t\t\t\tthis.touchCaptured = true;\n\t\t\t\t\tif( config.navigationMode === 'linear' ) {\n\t\t\t\t\t\tthis.Reveal.next();\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tthis.Reveal.down();\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// If we're embedded, only block touch events if they have\n\t\t\t\t// triggered an action\n\t\t\t\tif( config.embedded ) {\n\t\t\t\t\tif( this.touchCaptured || this.Reveal.isVerticalSlide() ) {\n\t\t\t\t\t\tevent.preventDefault();\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\t// Not embedded? Block them all to avoid needless tossing\n\t\t\t\t// around of the viewport in iOS\n\t\t\t\telse {\n\t\t\t\t\tevent.preventDefault();\n\t\t\t\t}\n\n\t\t\t}\n\t\t}\n\t\t// There's a bug with swiping on some Android devices unless\n\t\t// the default action is always prevented\n\t\telse if( isAndroid ) {\n\t\t\tevent.preventDefault();\n\t\t}\n\n\t}\n\n\t/**\n\t * Handler for the 'touchend' event.\n\t *\n\t * @param {object} event\n\t */\n\tonTouchEnd( event ) {\n\n\t\tthis.touchCaptured = false;\n\n\t}\n\n\t/**\n\t * Convert pointer down to touch start.\n\t *\n\t * @param {object} event\n\t */\n\tonPointerDown( event ) {\n\n\t\tif( event.pointerType === event.MSPOINTER_TYPE_TOUCH || event.pointerType === \"touch\" ) {\n\t\t\tevent.touches = [{ clientX: event.clientX, clientY: event.clientY }];\n\t\t\tthis.onTouchStart( event );\n\t\t}\n\n\t}\n\n\t/**\n\t * Convert pointer move to touch move.\n\t *\n\t * @param {object} event\n\t */\n\tonPointerMove( event ) {\n\n\t\tif( event.pointerType === event.MSPOINTER_TYPE_TOUCH || event.pointerType === \"touch\" ) {\n\t\t\tevent.touches = [{ clientX: event.clientX, clientY: event.clientY }];\n\t\t\tthis.onTouchMove( event );\n\t\t}\n\n\t}\n\n\t/**\n\t * Convert pointer up to touch end.\n\t *\n\t * @param {object} event\n\t */\n\tonPointerUp( event ) {\n\n\t\tif( event.pointerType === event.MSPOINTER_TYPE_TOUCH || event.pointerType === \"touch\" ) {\n\t\t\tevent.touches = [{ clientX: event.clientX, clientY: event.clientY }];\n\t\t\tthis.onTouchEnd( event );\n\t\t}\n\n\t}\n\n}","import { closest } from '../utils/util.js'\n\n/**\n * Manages focus when a presentation is embedded. This\n * helps us only capture keyboard from the presentation\n * a user is currently interacting with in a page where\n * multiple presentations are embedded.\n */\n\nconst STATE_FOCUS = 'focus';\nconst STATE_BLUR = 'blur';\n\nexport default class Focus {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t\tthis.onRevealPointerDown = this.onRevealPointerDown.bind( this );\n\t\tthis.onDocumentPointerDown = this.onDocumentPointerDown.bind( this );\n\n\t}\n\n\t/**\n\t * Called when the reveal.js config is updated.\n\t */\n\tconfigure( config, oldConfig ) {\n\n\t\tif( config.embedded ) {\n\t\t\tthis.blur();\n\t\t}\n\t\telse {\n\t\t\tthis.focus();\n\t\t\tthis.unbind();\n\t\t}\n\n\t}\n\n\tbind() {\n\n\t\tif( this.Reveal.getConfig().embedded ) {\n\t\t\tthis.Reveal.getRevealElement().addEventListener( 'pointerdown', this.onRevealPointerDown, false );\n\t\t}\n\n\t}\n\n\tunbind() {\n\n\t\tthis.Reveal.getRevealElement().removeEventListener( 'pointerdown', this.onRevealPointerDown, false );\n\t\tdocument.removeEventListener( 'pointerdown', this.onDocumentPointerDown, false );\n\n\t}\n\n\tfocus() {\n\n\t\tif( this.state !== STATE_FOCUS ) {\n\t\t\tthis.Reveal.getRevealElement().classList.add( 'focused' );\n\t\t\tdocument.addEventListener( 'pointerdown', this.onDocumentPointerDown, false );\n\t\t}\n\n\t\tthis.state = STATE_FOCUS;\n\n\t}\n\n\tblur() {\n\n\t\tif( this.state !== STATE_BLUR ) {\n\t\t\tthis.Reveal.getRevealElement().classList.remove( 'focused' );\n\t\t\tdocument.removeEventListener( 'pointerdown', this.onDocumentPointerDown, false );\n\t\t}\n\n\t\tthis.state = STATE_BLUR;\n\n\t}\n\n\tisFocused() {\n\n\t\treturn this.state === STATE_FOCUS;\n\n\t}\n\n\tdestroy() {\n\n\t\tthis.Reveal.getRevealElement().classList.remove( 'focused' );\n\n\t}\n\n\tonRevealPointerDown( event ) {\n\n\t\tthis.focus();\n\n\t}\n\n\tonDocumentPointerDown( event ) {\n\n\t\tlet revealElement = closest( event.target, '.reveal' );\n\t\tif( !revealElement || revealElement !== this.Reveal.getRevealElement() ) {\n\t\t\tthis.blur();\n\t\t}\n\n\t}\n\n}","/**\n * Handles the showing and \n */\nexport default class Notes {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t}\n\n\trender() {\n\n\t\tthis.element = document.createElement( 'div' );\n\t\tthis.element.className = 'speaker-notes';\n\t\tthis.element.setAttribute( 'data-prevent-swipe', '' );\n\t\tthis.element.setAttribute( 'tabindex', '0' );\n\t\tthis.Reveal.getRevealElement().appendChild( this.element );\n\n\t}\n\n\t/**\n\t * Called when the reveal.js config is updated.\n\t */\n\tconfigure( config, oldConfig ) {\n\n\t\tif( config.showNotes ) {\n\t\t\tthis.element.setAttribute( 'data-layout', typeof config.showNotes === 'string' ? config.showNotes : 'inline' );\n\t\t}\n\n\t}\n\n\t/**\n\t * Pick up notes from the current slide and display them\n\t * to the viewer.\n\t *\n\t * @see {@link config.showNotes}\n\t */\n\tupdate() {\n\n\t\tif( this.Reveal.getConfig().showNotes && this.element && this.Reveal.getCurrentSlide() && !this.Reveal.print.isPrintingPDF() ) {\n\n\t\t\tthis.element.innerHTML = this.getSlideNotes() || 'No notes on this slide.';\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Updates the visibility of the speaker notes sidebar that\n\t * is used to share annotated slides. The notes sidebar is\n\t * only visible if showNotes is true and there are notes on\n\t * one or more slides in the deck.\n\t */\n\tupdateVisibility() {\n\n\t\tif( this.Reveal.getConfig().showNotes && this.hasNotes() && !this.Reveal.print.isPrintingPDF() ) {\n\t\t\tthis.Reveal.getRevealElement().classList.add( 'show-notes' );\n\t\t}\n\t\telse {\n\t\t\tthis.Reveal.getRevealElement().classList.remove( 'show-notes' );\n\t\t}\n\n\t}\n\n\t/**\n\t * Checks if there are speaker notes for ANY slide in the\n\t * presentation.\n\t */\n\thasNotes() {\n\n\t\treturn this.Reveal.getSlidesElement().querySelectorAll( '[data-notes], aside.notes' ).length > 0;\n\n\t}\n\n\t/**\n\t * Checks if this presentation is running inside of the\n\t * speaker notes window.\n\t *\n\t * @return {boolean}\n\t */\n\tisSpeakerNotesWindow() {\n\n\t\treturn !!window.location.search.match( /receiver/gi );\n\n\t}\n\n\t/**\n\t * Retrieves the speaker notes from a slide. Notes can be\n\t * defined in two ways:\n\t * 1. As a data-notes attribute on the slide
\n\t * 2. As an