1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
<!DOCTYPE HTML>
<html>
<head>
<title>Test for Bug 917945 - VTTRegion</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="manifest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<video id="v" src="seek.webm" preload="auto">
<track src="region.vtt" kind="subtitles" id="default" default>
</video>
<script type="text/javascript">
/**
* This test is used to ensure that we can parse VTT region attributes correctly
* from vtt file.
*/
var trackElement = document.getElementById("default");
async function runTest() {
await waitUntiTrackLoaded();
checkRegionAttributes();
SimpleTest.finish();
}
SimpleTest.waitForExplicitFinish();
SpecialPowers.pushPrefEnv({"set": [["media.webvtt.regions.enabled", true]]},
runTest);
/**
* The following are test helper functions.
*/
async function waitUntiTrackLoaded() {
if (trackElement.readyState != 2) {
info(`wait until the track finishes loading`);
await once(trackElement, "load");
}
is(trackElement.readyState, 2, "Track::ReadyState should be set to LOADED.");
}
function checkRegionAttributes() {
let cues = trackElement.track.cues;
is(cues.length, 1, "Cue list length should be 1.");
let region = cues[0].region;
isnot(region, null, "Region should not be null.");
is(region.width, 62, "Region width should be 50.");
is(region.lines, 5, "Region lines should be 5.");
is(region.regionAnchorX, 4, "Region regionAnchorX should be 4.");
is(region.regionAnchorY, 78, "Region regionAnchorY should be 78.");
is(region.viewportAnchorX, 10, "Region viewportAnchorX should be 10.");
is(region.viewportAnchorY, 90, "Region viewportAnchorY should be 90.");
is(region.scroll, "up", "Region scroll should be 'up'");
}
</script>
</body>
</html>
|
