зеркало из https://github.com/mozilla/gecko-dev.git
79 строки
1.5 KiB
HTML
79 строки
1.5 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>Adding a new display item that has its own PaintedLayer shouldn't cause invalidations in other PaintedLayers on top of it</title>
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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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#aboutToBecomeVisible {
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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 content" id="aboutToBecomeVisible" style="visibility: hidden">
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<!--
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This item starts out hidden, and will get its own PaintedLayer when it
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becomes visible.
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-->
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</div>
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<div class="fixed content">
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<!--
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This layer is just there to force the next .onTopOfFixed into its own
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PaintedLayer.
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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 shouldn't repaint when the other .onTopOfFixed item becomes visible.
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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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