dom/plugins/test/mochitest/test_plugin_scroll_painting.html

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 <!DOCTYPE HTML>
michael@0 2 <html>
michael@0 3 <head>
michael@0 4 <title>Test that scrolling a windowless plugin doesn't force us to repaint it</title>
michael@0 5 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
michael@0 6 <script type="text/javascript" src="utils.js"></script>
michael@0 7 <script type="text/javascript">
michael@0 8 setTestPluginEnabledState(SpecialPowers.Ci.nsIPluginTag.STATE_ENABLED);
michael@0 9 </script>
michael@0 10 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
michael@0 11 </head>
michael@0 12 <body onload="runTest()">
michael@0 13 <p id="display"></p>
michael@0 14 <embed id="plugin" type="application/x-test" style="width:50px; height:10px; margin-top:20px;"></embed>
michael@0 15 </div>
michael@0 16 <div id="content" style="display: none">
michael@0 17
michael@0 18 </div>
michael@0 19 <pre id="test">
michael@0 20 </pre>
michael@0 21
michael@0 22 <script type="application/javascript">
michael@0 23 SimpleTest.waitForExplicitFinish();
michael@0 24
michael@0 25 var container = document.documentElement;
michael@0 26 container.scrollTop = 0;
michael@0 27 var plugin = document.getElementById("plugin");
michael@0 28 var pluginTop;
michael@0 29 var beforeScrollPaintCount;
michael@0 30
michael@0 31 function waitForScroll() {
michael@0 32 if (plugin.getEdge(1) >= pluginTop) {
michael@0 33 setTimeout(waitForScroll, 0);
michael@0 34 return;
michael@0 35 }
michael@0 36
michael@0 37 is(plugin.getPaintCount(), beforeScrollPaintCount, "plugin should not paint due to scrolling");
michael@0 38 SimpleTest.finish();
michael@0 39 }
michael@0 40
michael@0 41 function waitForInitialScroll() {
michael@0 42 if (plugin.getEdge(1) >= pluginTop) {
michael@0 43 setTimeout(waitForInitialScroll, 0);
michael@0 44 return;
michael@0 45 }
michael@0 46
michael@0 47 pluginTop = plugin.getEdge(1);
michael@0 48 beforeScrollPaintCount = plugin.getPaintCount();
michael@0 49 container.scrollTop = 20;
michael@0 50 waitForScroll();
michael@0 51 }
michael@0 52
michael@0 53 function runTest() {
michael@0 54 document.body.offsetTop;
michael@0 55 pluginTop = plugin.getEdge(1);
michael@0 56 container.scrollTop = 10;
michael@0 57 waitForInitialScroll();
michael@0 58 }
michael@0 59 </script>
michael@0 60
michael@0 61 <div style="height:4000px;"></div>
michael@0 62
michael@0 63 </body>
michael@0 64 </html>

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