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73 lines
2 KiB
HTML
73 lines
2 KiB
HTML
<!DOCTYPE HTML>
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<html class="reftest-wait">
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<title>The default scroll() timeline in the iframe</title>
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<link rel="help" href="https://drafts.csswg.org/scroll-animations-1/#scroll-notation">
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<link rel="help" href="https://drafts.csswg.org/css-animations-2/#animation-timeline">
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<meta name="assert" content="CSS animation correctly updates values when using the default scroll() timeline">
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<link rel="match" href="scroll-timeline-default-iframe-ref.html">
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<iframe id="target" width="400" height="400" srcdoc='
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<html>
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<style>
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@keyframes update {
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from { transform: translateY(0px); }
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to { transform: translateY(200px); }
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}
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html {
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min-height: 100%;
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padding-bottom: 100px;
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}
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#box {
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width: 100px;
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height: 100px;
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background-color: green;
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animation: update 1s linear;
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animation-timeline: scroll();
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}
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#covered {
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width: 100px;
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height: 100px;
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background-color: red;
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}
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* {
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margin-top: 0px;
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margin-bottom: 0px;
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}
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</style>
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<script src="/web-animations/testcommon.js"></script>
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<script>
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window.addEventListener("load", async function() {
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const scroller = document.scrollingElement;
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// Move the scroller to the halfway point.
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const maxScroll = scroller.scrollHeight - scroller.clientHeight;
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scroller.scrollTop = 0.5 * maxScroll;
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await waitForCompositorReady();
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await waitForNextFrame();
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await waitForNextFrame();
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window.parent.postMessage("success", "*");
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});
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</script>
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<body>
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<div id="box"></div>
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<div id="covered"></div>
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</body>
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</html>
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'></iframe>
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<script src="/web-animations/testcommon.js"></script>
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<script>
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async function finishTest() {
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await waitForCompositorReady();
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await waitForNextFrame();
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await waitForNextFrame();
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document.documentElement.classList.remove("reftest-wait");
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}
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window.addEventListener("message", event => {
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if (event.data == "success") {
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finishTest();
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}
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}, false);
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</script>
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