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comparison: widget/tests/test_plugin_scroll_invalidation.html
widget/tests/test_plugin_scroll_invalidation.html
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| 1 <!DOCTYPE HTML> | |
| 2 <html> | |
| 3 <head> | |
| 4 <title>Test for plugin child widgets not being invalidated by scrolling</title> | |
| 5 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> | |
| 6 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> | |
| 7 </head> | |
| 8 <body onload="initialize()"> | |
| 9 <script type="application/javascript"> | |
| 10 var pluginHost = SpecialPowers.Cc["@mozilla.org/plugin/host;1"] | |
| 11 .getService(SpecialPowers.Ci.nsIPluginHost); | |
| 12 var pluginTags = pluginHost.getPluginTags(); | |
| 13 for (var tag of pluginTags) { | |
| 14 if (tag.name == "Test Plug-in") { | |
| 15 tag.enabledState = SpecialPowers.Ci.nsIPluginTag.STATE_ENABLED;; | |
| 16 } | |
| 17 } | |
| 18 </script> | |
| 19 | |
| 20 <p id="display"> | |
| 21 <iframe id="i" src="plugin_scroll_invalidation.html" | |
| 22 width="50" height="50" scrolling="no"></iframe> | |
| 23 </p> | |
| 24 <div id="content" style="display: none"> | |
| 25 | |
| 26 </div> | |
| 27 <pre id="test"> | |
| 28 </pre> | |
| 29 | |
| 30 <script type="application/javascript"> | |
| 31 SimpleTest.waitForExplicitFinish(); | |
| 32 | |
| 33 var scrolling; | |
| 34 var scrolling_plugins = []; | |
| 35 var paint_waiter; | |
| 36 var last_paint_counts; | |
| 37 | |
| 38 function initialize() { | |
| 39 scrolling = document.getElementById("i").contentWindow; | |
| 40 scrolling_plugins = scrolling.document.querySelectorAll("embed.scrolling"); | |
| 41 paint_waiter = scrolling.document.getElementById("paint-waiter"); | |
| 42 | |
| 43 scrolling.scrollTo(50, 45); | |
| 44 | |
| 45 is(paint_waiter.getPaintCount(), 0, "zero-sized plugin not painted"); | |
| 46 | |
| 47 waitForPaint(scrollAround); | |
| 48 } | |
| 49 | |
| 50 function scrollAround() { | |
| 51 var paints = getPaintCounts(); | |
| 52 | |
| 53 for (var i = 0; i < paints.length; ++i) { | |
| 54 isnot(paints[i], 0, "embed " + scrolling_plugins[i].id + " is painted"); | |
| 55 } | |
| 56 | |
| 57 last_paint_counts = paints; | |
| 58 | |
| 59 scrolling.scrollBy(-5, 5); | |
| 60 scrolling.scrollBy(5, 5); | |
| 61 scrolling.scrollBy(5, -5); | |
| 62 scrolling.scrollBy(-5, -5); | |
| 63 | |
| 64 scrolling.scrollTo(45, 45); | |
| 65 scrolling.scrollBy(10, 0); | |
| 66 scrolling.scrollBy(0, 10); | |
| 67 scrolling.scrollBy(-10, 0); | |
| 68 scrolling.scrollBy(0, -10); | |
| 69 | |
| 70 waitForPaint(done); | |
| 71 } | |
| 72 | |
| 73 function done() { | |
| 74 var paints = getPaintCounts(); | |
| 75 for (var i = 0; i < paints.length; ++i) { | |
| 76 is(paints[i], last_paint_counts[i], "embed " + scrolling_plugins[i].id + " is not painted on scroll"); | |
| 77 } | |
| 78 SimpleTest.finish(); | |
| 79 } | |
| 80 | |
| 81 // Waits for the paint_waiter plugin to be repainted and then | |
| 82 // calls 'func' to continue. | |
| 83 function waitForPaint(func) { | |
| 84 paint_waiter.last_paint_count = paint_waiter.getPaintCount(); | |
| 85 | |
| 86 paint_waiter.style.left = scrolling.scrollX + "px"; | |
| 87 paint_waiter.style.top = scrolling.scrollY + "px"; | |
| 88 | |
| 89 // Fiddle with the style in a way that should force some repainting | |
| 90 paint_waiter.style.width = | |
| 91 (paint_waiter.getBoundingClientRect().width + 1) + "px"; | |
| 92 paint_waiter.style.height = "1px"; | |
| 93 | |
| 94 function waitForPaintHelper() { | |
| 95 if (paint_waiter.getPaintCount() != paint_waiter.last_paint_count) { | |
| 96 setTimeout(func, 0); | |
| 97 return; | |
| 98 } | |
| 99 setTimeout(waitForPaintHelper, 0); | |
| 100 } | |
| 101 waitForPaintHelper(); | |
| 102 } | |
| 103 | |
| 104 function getPaintCounts() { | |
| 105 var result = []; | |
| 106 for (var i = 0; i < scrolling_plugins.length; ++i) { | |
| 107 result[i] = scrolling_plugins[i].getPaintCount(); | |
| 108 } | |
| 109 return result; | |
| 110 } | |
| 111 | |
| 112 </script> | |
| 113 </body> | |
| 114 </html> |
