widget/tests/test_plugin_scroll_invalidation.html

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/widget/tests/test_plugin_scroll_invalidation.html	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,114 @@
     1.4 +<!DOCTYPE HTML>
     1.5 +<html>
     1.6 +<head>
     1.7 +  <title>Test for plugin child widgets not being invalidated by scrolling</title>
     1.8 +  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
     1.9 +  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
    1.10 +</head>
    1.11 +<body onload="initialize()">
    1.12 +<script type="application/javascript">
    1.13 +var pluginHost = SpecialPowers.Cc["@mozilla.org/plugin/host;1"]
    1.14 +                        .getService(SpecialPowers.Ci.nsIPluginHost);
    1.15 +var pluginTags = pluginHost.getPluginTags();
    1.16 +for (var tag of pluginTags) {
    1.17 +  if (tag.name == "Test Plug-in") {
    1.18 +    tag.enabledState = SpecialPowers.Ci.nsIPluginTag.STATE_ENABLED;;
    1.19 +  }
    1.20 +}
    1.21 +</script>
    1.22 +
    1.23 +<p id="display">
    1.24 +  <iframe id="i" src="plugin_scroll_invalidation.html"
    1.25 +   width="50" height="50" scrolling="no"></iframe>
    1.26 +</p>
    1.27 +<div id="content" style="display: none">
    1.28 +
    1.29 +</div>
    1.30 +<pre id="test">
    1.31 +</pre>
    1.32 +
    1.33 +<script type="application/javascript">
    1.34 +SimpleTest.waitForExplicitFinish();
    1.35 +
    1.36 +var scrolling;
    1.37 +var scrolling_plugins = [];
    1.38 +var paint_waiter;
    1.39 +var last_paint_counts;
    1.40 +
    1.41 +function initialize() {
    1.42 +  scrolling = document.getElementById("i").contentWindow;
    1.43 +  scrolling_plugins = scrolling.document.querySelectorAll("embed.scrolling");
    1.44 +  paint_waiter = scrolling.document.getElementById("paint-waiter");
    1.45 +
    1.46 +  scrolling.scrollTo(50, 45);
    1.47 +
    1.48 +  is(paint_waiter.getPaintCount(), 0, "zero-sized plugin not painted");
    1.49 +
    1.50 +  waitForPaint(scrollAround);
    1.51 +}
    1.52 +
    1.53 +function scrollAround() {
    1.54 +  var paints = getPaintCounts();
    1.55 +
    1.56 +  for (var i = 0; i < paints.length; ++i) {
    1.57 +    isnot(paints[i], 0, "embed " + scrolling_plugins[i].id + " is painted"); 
    1.58 +  }
    1.59 +
    1.60 +  last_paint_counts = paints;
    1.61 +
    1.62 +  scrolling.scrollBy(-5, 5);
    1.63 +  scrolling.scrollBy(5, 5);
    1.64 +  scrolling.scrollBy(5, -5);
    1.65 +  scrolling.scrollBy(-5, -5);
    1.66 +
    1.67 +  scrolling.scrollTo(45, 45);
    1.68 +  scrolling.scrollBy(10, 0);
    1.69 +  scrolling.scrollBy(0, 10);
    1.70 +  scrolling.scrollBy(-10, 0);
    1.71 +  scrolling.scrollBy(0, -10);
    1.72 +
    1.73 +  waitForPaint(done);
    1.74 +}
    1.75 +
    1.76 +function done() {
    1.77 +  var paints = getPaintCounts();
    1.78 +  for (var i = 0; i < paints.length; ++i) {
    1.79 +    is(paints[i], last_paint_counts[i], "embed " + scrolling_plugins[i].id + " is not painted on scroll");
    1.80 +  }
    1.81 +  SimpleTest.finish();  
    1.82 +}
    1.83 +
    1.84 +// Waits for the paint_waiter plugin to be repainted and then
    1.85 +// calls 'func' to continue.
    1.86 +function waitForPaint(func) {
    1.87 +  paint_waiter.last_paint_count = paint_waiter.getPaintCount();
    1.88 +
    1.89 +  paint_waiter.style.left = scrolling.scrollX + "px";
    1.90 +  paint_waiter.style.top = scrolling.scrollY + "px";
    1.91 +
    1.92 +  // Fiddle with the style in a way that should force some repainting
    1.93 +  paint_waiter.style.width =
    1.94 +    (paint_waiter.getBoundingClientRect().width + 1) + "px"; 
    1.95 +  paint_waiter.style.height = "1px";
    1.96 +
    1.97 +  function waitForPaintHelper() {
    1.98 +    if (paint_waiter.getPaintCount() != paint_waiter.last_paint_count) {
    1.99 +      setTimeout(func, 0);
   1.100 +      return;
   1.101 +    }
   1.102 +    setTimeout(waitForPaintHelper, 0);
   1.103 +  }
   1.104 +  waitForPaintHelper();
   1.105 +}
   1.106 +
   1.107 +function getPaintCounts() {
   1.108 +  var result = [];
   1.109 +  for (var i = 0; i < scrolling_plugins.length; ++i) {
   1.110 +    result[i] = scrolling_plugins[i].getPaintCount();
   1.111 +  }
   1.112 +  return result;
   1.113 +}
   1.114 +
   1.115 +</script>
   1.116 +</body>
   1.117 +</html>

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