зеркало из https://github.com/mozilla/gecko-dev.git
83 строки
1.8 KiB
HTML
83 строки
1.8 KiB
HTML
<!DOCTYPE html>
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<html lang="en" class="reftest-wait">
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<meta charset="utf-8">
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<title>When a PaintedLayer is split up into two, the lower items should stay in their layer and the higher items should get a new one.</title>
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<!-- The motivation for this is that we don't ever want to assign a new layer to the canvas background just because an item is split from it. -->
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<style>
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.content {
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box-sizing: border-box;
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width: 200px;
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height: 200px;
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border: 1px solid black;
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}
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.fixed {
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position: fixed;
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top: 20px;
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left: 140px;
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}
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.onTopOfFixed {
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position: absolute;
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top: 120px;
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left: 260px;
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}
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.reftest-no-paint {
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border-color: lime;
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}
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.onTopOfFixed.reftest-no-paint {
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left: 20px;
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}
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body {
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margin: 0;
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padding: 20px;
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height: 3000px;
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}
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</style>
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<div class="fixed content">
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<!--
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This layer is just there to force .onTopOfFixed into PaintedLayers above
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the page background.
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-->
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</div>
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<div class="onTopOfFixed reftest-no-paint content">
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<!--
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This item should start out sharing a PaintedLayer with the other
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.onTopOfFixed item.
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-->
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</div>
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<div class="fixed content" id="aboutToBecomeVisible" style="visibility: hidden">
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<!--
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This layer starts out hidden. When it becomes visible, it forces the two
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.onTopOfFixed items into separate layers.
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-->
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</div>
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<div class="onTopOfFixed content">
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<!--
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This item should start out sharing a PaintedLayer with the other
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.onTopOfFixed item, but when the two items get split up, it should be this
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one that changes layers, not the other one.
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-->
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</div>
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<script>
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function doTest() {
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document.querySelector("#aboutToBecomeVisible").style.visibility = "visible";
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document.documentElement.removeAttribute("class");
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}
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document.addEventListener("MozReftestInvalidate", doTest, false);
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</script>
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