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Add Example: Media Seek Slider (pull #1863)
Adds a horizontal slider that illustrates: * Appending max value to aria-valuetext on focus, but not on change in value. * Using SVG graphics elements * Increased size of clickable area on rail to change value with pointing device * High contrast support * Latest APG coding practices, including: * Use of event.key. * Use of pointer events. * CSS property forced-color-adjust to auto on the SVG elements. * Using stroke-opacity and fill-opacity instead of transparent values for setting stroke and fill colors for SVG rect to support focus ring visibility in high contrast modes. Co-authored-by: Matt King <a11yThinker@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| /* CSS Document */ | ||
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| .slider-seek .label { | ||
| font-weight: bold; | ||
| font-size: 125%; | ||
| } | ||
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| .slider-seek svg { | ||
| forced-color-adjust: auto; | ||
| } | ||
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| .slider-seek text { | ||
| font-weight: bold; | ||
| fill: currentColor; | ||
| font-family: sans-serif; | ||
| } | ||
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| .slider-seek { | ||
| margin-top: 1em; | ||
| padding: 6px; | ||
| color: black; | ||
| } | ||
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| .slider-slider .value { | ||
| position: relative; | ||
| top: 20px; | ||
| height: 1.5em; | ||
| font-size: 80%; | ||
| } | ||
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| .slider-seek .temp-value { | ||
| padding-left: 24px; | ||
| font-size: 200%; | ||
| } | ||
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| .slider-seek .rail { | ||
| stroke: currentColor; | ||
| stroke-width: 2px; | ||
| fill: currentColor; | ||
| fill-opacity: 25%; | ||
| } | ||
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| .slider-seek .thumb { | ||
| stroke-width: 0; | ||
| fill: currentColor; | ||
| } | ||
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| .slider-seek .focus-ring { | ||
| stroke: currentColor; | ||
| stroke-opacity: 0; | ||
| fill-opacity: 0; | ||
| stroke-width: 3px; | ||
| display: none; | ||
| } | ||
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| .slider-seek .slider-group { | ||
| touch-action: pan-y; | ||
| } | ||
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| .slider-seek .slider-group .value { | ||
| display: none; | ||
| } | ||
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| /* Focus and hover styling */ | ||
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| .slider-seek.focus [role="slider"] { | ||
| color: #005a9c; | ||
| } | ||
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| .slider-seek [role="slider"]:focus { | ||
| outline: none; | ||
| } | ||
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| .slider-seek [role="slider"]:focus .focus-ring { | ||
| display: block; | ||
| stroke-opacity: 1; | ||
| } | ||
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| .slider-seek [role="slider"]:focus .value { | ||
| display: block; | ||
| } |
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