Jonathan Watt
cdd5d0888c
The ScrollTimeline WebIDL constructor accepts a null source, so the internal mSource.mElement can legitimately be null. This commit makes the ScrollTimeline::State::APZIsActiveForSource() caller check whether the State object has a source element before calling it. Differential Revision: https://phabricator.services.mozilla.com/D300575
23 lines
901 B
HTML
23 lines
901 B
HTML
<!DOCTYPE html>
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<html class="reftest-wait">
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<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=2036130">
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<rect fill="red" id="svg-rect0" width="50"></rect>
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<script>
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document.addEventListener('DOMContentLoaded', () => {
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const a = document.getElementById('svg-rect0').animate([{
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transform: "perspective(500px) rotateX(45deg)",
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}], { });
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a.updatePlaybackRate(0);
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a.timeline = new ScrollTimeline({source: document.getElementById('x')});
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// The crash happens during a restyle that flushes layer changes for the
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// animation. The reftest TYPE_LOAD harness doesn't tick rAFs after load, so
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// without reftest-wait + two rAFs we finish the test before the restyle that
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// would exercise the compositor path runs.
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requestAnimationFrame(() => {
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requestAnimationFrame(() => {
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document.documentElement.classList.remove("reftest-wait");
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});
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});
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});
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</script>
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