1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/dom/plugins/test/mochitest/test_plugin_scroll_painting.html Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,64 @@ 1.4 +<!DOCTYPE HTML> 1.5 +<html> 1.6 +<head> 1.7 + <title>Test that scrolling a windowless plugin doesn't force us to repaint it</title> 1.8 + <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> 1.9 + <script type="text/javascript" src="utils.js"></script> 1.10 + <script type="text/javascript"> 1.11 + setTestPluginEnabledState(SpecialPowers.Ci.nsIPluginTag.STATE_ENABLED); 1.12 + </script> 1.13 + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> 1.14 +</head> 1.15 +<body onload="runTest()"> 1.16 +<p id="display"></p> 1.17 + <embed id="plugin" type="application/x-test" style="width:50px; height:10px; margin-top:20px;"></embed> 1.18 +</div> 1.19 +<div id="content" style="display: none"> 1.20 + 1.21 +</div> 1.22 +<pre id="test"> 1.23 +</pre> 1.24 + 1.25 +<script type="application/javascript"> 1.26 +SimpleTest.waitForExplicitFinish(); 1.27 + 1.28 +var container = document.documentElement; 1.29 +container.scrollTop = 0; 1.30 +var plugin = document.getElementById("plugin"); 1.31 +var pluginTop; 1.32 +var beforeScrollPaintCount; 1.33 + 1.34 +function waitForScroll() { 1.35 + if (plugin.getEdge(1) >= pluginTop) { 1.36 + setTimeout(waitForScroll, 0); 1.37 + return; 1.38 + } 1.39 + 1.40 + is(plugin.getPaintCount(), beforeScrollPaintCount, "plugin should not paint due to scrolling"); 1.41 + SimpleTest.finish(); 1.42 +} 1.43 + 1.44 +function waitForInitialScroll() { 1.45 + if (plugin.getEdge(1) >= pluginTop) { 1.46 + setTimeout(waitForInitialScroll, 0); 1.47 + return; 1.48 + } 1.49 + 1.50 + pluginTop = plugin.getEdge(1); 1.51 + beforeScrollPaintCount = plugin.getPaintCount(); 1.52 + container.scrollTop = 20; 1.53 + waitForScroll(); 1.54 +} 1.55 + 1.56 +function runTest() { 1.57 + document.body.offsetTop; 1.58 + pluginTop = plugin.getEdge(1); 1.59 + container.scrollTop = 10; 1.60 + waitForInitialScroll(); 1.61 +} 1.62 +</script> 1.63 + 1.64 +<div style="height:4000px;"></div> 1.65 + 1.66 +</body> 1.67 +</html>