33 lines
1.3 KiB
HTML
33 lines
1.3 KiB
HTML
<!DOCTYPE html>
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<html class="reftest-wait reftest-snapshot-all reftest-no-flush" reftest-async-scroll
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reftest-async-scroll-y="200">
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<head>
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<title>Check that the apz.disable_for_sle_pages pref behaves as expected</title>
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<script>
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// Upon load, this page scrolls to (0, 100). This triggers a scroll event,
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// which runs the scroll listener below. The scroll listener updates the
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// position of the div to simulate position:fixed using a scroll-linked
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// effect. The scroll-linked effect detector should then report that the
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// document contains such an effect, which will disable APZ on the page.
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// That in turn will cause the reftest-async-scroll-y to get ignored, and
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// that's what the reftest checks for.
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addEventListener('scroll', function() {
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document.getElementById('fake-fixed').style.top = window.scrollY + "px";
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}, false);
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addEventListener('load', function() {
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window.scrollTo(0, 100);
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setTimeout(done, 0);
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}, false);
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function done() {
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document.documentElement.classList.remove('reftest-wait');
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}
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</script>
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</head>
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<body style="height: 5000px; background-image:url(repeatable-diagonal-gradient.png);">
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<div id="fake-fixed" style="position: absolute; top: 0; left: 100px; width: 100px; height: 100px; background-color: green"></div>
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</body>
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</html>
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