widget/tests/test_plugin_scroll_invalidation.html@ac0c01689b40
widget/tests/test_plugin_scroll_invalidation.html
Thu, 15 Jan 2015 15:59:08 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 15:59:08 +0100
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
- permissions
- -rw-r--r--
Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
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>
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">
26 </div>
27 <pre id="test">
28 </pre>
30 <script type="application/javascript">
31 SimpleTest.waitForExplicitFinish();
33 var scrolling;
34 var scrolling_plugins = [];
35 var paint_waiter;
36 var last_paint_counts;
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");
43 scrolling.scrollTo(50, 45);
45 is(paint_waiter.getPaintCount(), 0, "zero-sized plugin not painted");
47 waitForPaint(scrollAround);
48 }
50 function scrollAround() {
51 var paints = getPaintCounts();
53 for (var i = 0; i < paints.length; ++i) {
54 isnot(paints[i], 0, "embed " + scrolling_plugins[i].id + " is painted");
55 }
57 last_paint_counts = paints;
59 scrolling.scrollBy(-5, 5);
60 scrolling.scrollBy(5, 5);
61 scrolling.scrollBy(5, -5);
62 scrolling.scrollBy(-5, -5);
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);
70 waitForPaint(done);
71 }
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 }
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();
86 paint_waiter.style.left = scrolling.scrollX + "px";
87 paint_waiter.style.top = scrolling.scrollY + "px";
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";
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 }
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 }
112 </script>
113 </body>
114 </html>
