LayoutTests/compositing/layer-creation/fixed-position-nonscrollable-iframes-in-scrollable-page.html - Issue 13828004: Avoid compositing fixed-position elements if they cannot scroll

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Side by Side Diff: LayoutTests/compositing/layer-creation/fixed-position-nonscrollable-iframes-in-scrollable-page.html

Issue 13828004: Avoid compositing fixed-position elements if they cannot scroll (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Rebased and addressed feedback Created 7 years, 7 months ago

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	1 <!DOCTYPE html>

	2 <html>

	3 <head>

	4 <style>

	5 .composited {

	6 -webkit-transform: translatez(0);

	7 }

	8

	9 .box {

	10 position: absolute;

	11 top: 360px;

	12 left: 50px;

	13 background-color: cyan;

	14 width: 300px;

	15 height: 100px;

	16 }

	17

	18 #iframe1 {

	19 position: absolute;

	20 top: 30px;

	21 left: 10px;

	22 width: 150px;

	23 height: 150px;

	24 }

	25

	26 #iframe2 {

	27 position: absolute;

	28 top: 200px;

	29 left: 10px;

	30 width: 150px;

	31 height: 150px;

	32 }

	33

	34 #iframe3 {

	35 position: absolute;

	36 top: 380px;

	37 left: 10px;

	38 width: 150px;

	39 height: 150px;

	40 }

	41

	42 </style>

	43

	44 <script type="text/javascript">

	45 if (window.internals) {

	46 window.internals.settings.setAcceleratedCompositingForFixedPositionEnabled (true);

	47 window.internals.settings.setForceCompositingMode(true);

	48 }

	49

	50 if (window.testRunner) {

	51 testRunner.dumpAsText();

	52

	53 window.addEventListener("load", function() {

	54 document.getElementById("layertree").innerText = window.internals.layerT reeAsText(document);

	55 }, false);

	56 }

	57 </script>

	58

	59 </head>

	60 <body style="height: 4000px;">

	61 <div>In all iframes, the green fixed-position element should not be composited .

	62 <pre id="layertree"></pre>

	63 </div>

	64 <div class="composited box"> Composited box underneath iframe. </div>

	65 <iframe id="iframe1" src="resources/fixed-position-nonscrollable-body.html"></ iframe>

	66 <iframe id="iframe2" class="composited" src="resources/fixed-position-nonscrol lable-body.html"></iframe>

	67 <iframe id="iframe3" src="resources/fixed-position-nonscrollable-body.html"></ iframe>

	68 </body>

	69 </html>

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