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feat(icon-toggle): Use new mdc-states mixin for icon-toggle styles #1685

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Dec 5, 2017
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83 changes: 3 additions & 80 deletions demos/icon-toggle.html
Original file line number Diff line number Diff line change
Expand Up @@ -25,83 +25,6 @@
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,500">
<link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.6.3/css/font-awesome.css">
<style>
.mdc-theme--dark {
background: #303030;
}

.mdc-theme--dark:not(.demo-color-combo) {
padding-bottom: 1rem;
}

#demo-color-combos {
display: flex;
align-items: center;
justify-content: flex-start;
}

.demo-wrapper {
margin-left: 1rem;
}

.example {
display: flex;
flex-flow: row wrap;
align-content: left;
justify-content: left;
}

.toggle-example {
min-width: 240px;
padding: 24px;
margin: 24px;
}

.example h2 {
font-size: 1.3em;
margin-bottom: 0.8em;
margin-top: 0.8em;
}

.demo-color-combo {
width: 250px;
padding: 1rem;
border-radius: 4px;
display: inline-flex;
flex-direction: column;
align-items: center;
justify-content: center;
margin-right: 8px;
}

.demo-color-combo > p {
margin: 0;
}

#light-on-bg {
background-color: #3e82f7;
}
#light-on-bg .mdc-icon-toggle {
color: white;
}
#light-on-bg .mdc-icon-toggle.mdc-ripple-upgraded::before,
#light-on-bg .mdc-icon-toggle.mdc-ripple-upgraded::after {
background-color: rgba(255, 255, 255, .3);
}

#dark-on-bg {
background-color: #00bcd6;
}

#custom-on-dark .mdc-icon-toggle {
color: #de442c;
}
#custom-on-dark .mdc-icon-toggle.mdc-ripple-upgraded::before,
#custom-on-dark .mdc-icon-toggle.mdc-ripple-upgraded::after {
/* #de442c - opacity .16 */
background-color: rgba(222, 68, 44, .26);
}
</style>
</head>
<body class="mdc-typography">
<header class="mdc-toolbar mdc-toolbar--fixed">
Expand Down Expand Up @@ -258,7 +181,7 @@ <h2>Additional Color Combinations</h2>
favorite_border
</i>
</div>
<p class="mdc-theme--text-primary-on-primary">Light icon on background</p>
<div class="mdc-theme--text-primary-on-primary">Light icon on background</div>
</div>
<div id="dark-on-bg" class="demo-color-combo">
<div class="mdc-theme--primary">
Expand All @@ -272,7 +195,7 @@ <h2>Additional Color Combinations</h2>
favorite_border
</i>
</div>
<p>Dark icon on background</p>
<div>Dark icon on background</div>
</div>
<div id="custom-on-dark" class="demo-color-combo mdc-theme--dark">
<div>
Expand All @@ -286,7 +209,7 @@ <h2>Additional Color Combinations</h2>
favorite_border
</i>
</div>
<p class="mdc-theme--text-primary-on-dark">Custom color on dark background</p>
<div class="mdc-theme--text-primary-on-dark">Custom color on dark background</div>
</div>
</div>
</div>
Expand Down
66 changes: 66 additions & 0 deletions demos/icon-toggle.scss
Original file line number Diff line number Diff line change
Expand Up @@ -16,3 +16,69 @@

@import "./common";
@import "../packages/mdc-icon-toggle/mdc-icon-toggle";
@import "../packages/mdc-ripple/mixins";

.mdc-theme--dark {
background: #303030;
}

.demo-wrapper {
margin-left: 1rem;
}

.example {
display: flex;
flex-flow: row wrap;
align-content: left;
justify-content: left;
}

.toggle-example {
min-width: 240px;
padding: 24px;
margin: 24px;
}

#demo-color-combos {
display: flex;
align-items: center;
justify-content: flex-start;
}

.demo-color-combo {
width: 250px;
padding: 1rem;
border-radius: 4px;
display: inline-flex;
flex-direction: column;
align-items: center;
justify-content: center;
margin-right: 8px;
}

#light-on-bg {
background-color: #3e82f7;
}
#light-on-bg .mdc-icon-toggle {
color: white;
@include mdc-states-base-color(white);
@include mdc-states-hover-opacity(.1);
@include mdc-states-focus-opacity(.3);
@include mdc-states-press-opacity(.4);
}

#dark-on-bg {
background-color: #00bcd6;
}
#dark-on-bg .mdc-icon-toggle {
color: black;
@include mdc-states(black);
}

#custom-on-dark .mdc-icon-toggle {
color: #de442c;
@include mdc-states-base-color(#de442c);
@include mdc-states-hover-opacity(.09);
@include mdc-states-focus-opacity(.26);
@include mdc-states-press-opacity(.35);
}
23 changes: 4 additions & 19 deletions packages/mdc-icon-toggle/mdc-icon-toggle.scss
Original file line number Diff line number Diff line change
Expand Up @@ -23,26 +23,11 @@
.mdc-icon-toggle {
@include mdc-theme-prop(color, text-secondary-on-light);
@include mdc-ripple-surface;
// NOTE: The spec denotes specific opacity values to use for different styles of icon buttons,
// either "light", "dark", or "color". Because ripples are made up of two distinct elements,
// we need to use an opacity value such that when two elements of the same color and opacity are
// layered on top of one another, they create the opacity specified in the spec.
// This is done by using the painter's compositing algorithm:
//
// alpha[desired] = alpha[a] + alpha[b](1 - alpha[a]).
//
// Because both alpha values are the same this reduces to:
//
// alpha[desired] = alpha[a] + alpha[a](1 - alpha[a]).
//
// We simply solve this quadratic equation for the nonnegative root between [0, 1].
// E.g. for black 12% opacity:
// https://www.wolframalpha.com/input/?i=x+%2B+x(1+-+x)+%3D+.12,+x+%3C%3D+1,+x+%3E%3D+0
@include mdc-ripple-color(black, .062);
@include mdc-ripple-radius;
@include mdc-states(black);

@include mdc-theme-dark(".mdc-icon-toggle", true) {
@include mdc-ripple-color(white, .16);
@include mdc-states(white);
}

display: flex;
Expand Down Expand Up @@ -75,12 +60,12 @@

.mdc-icon-toggle--primary {
@include mdc-theme-prop(color, primary);
@include mdc-ripple-color(primary, .14);
@include mdc-states(primary);
}

.mdc-icon-toggle--accent {
@include mdc-theme-prop(color, secondary);
@include mdc-ripple-color(secondary, .14);
@include mdc-states(secondary);
}

.mdc-icon-toggle--disabled {
Expand Down