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1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
2 <html> | 2 <title>Tests default rendering for TextTrackCues that belong to a VTTRegion.</ti tle> |
3 <head> | 3 <script src="../../media-controls.js"></script> |
4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> | 4 <script src="../../media-file.js"></script> |
5 <script src="../../../resources/testharness.js"></script> | |
6 <script src="../../../resources/testharnessreport.js"></script> | |
7 <video controls></video> | |
8 <script> | |
9 var testTrack; | |
10 var region; | |
11 var container; | |
12 var totalVisibleLines; | |
5 | 13 |
6 <script src=../../media-controls.js></script> | 14 var seekTimes = [0.2, 0.5, 1.0, 2.3, 3.0]; |
7 <script src=../../media-file.js></script> | 15 var crtSeekTime = 0; |
philipj_slow
2016/04/06 12:40:04
Based on how it's used I guess this means "current
Srirama
2016/04/07 10:40:07
Done.
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8 <!-- TODO(philipj): Convert test to testharness.js. crbug.com/588956 | |
9 (Please avoid writing new tests using video-test.js) --> | |
10 <script src=../../video-test.js></script> | |
11 <script> | |
12 var testTrack; | |
13 var region; | |
14 var container; | |
15 var totalVisibleLines; | |
16 | 16 |
17 var seekTimes = [0.2, 0.5, 1.0, 2.3, 3.0]; | 17 function countVisibleLines(cueElement) |
18 var crtSeekTime = 0; | 18 { |
19 var cueRect = cueElement.getBoundingClientRect(); | |
20 var regionRect = region.getBoundingClientRect(); | |
19 | 21 |
20 function countVisibleLines(cueElement) | 22 var linesMatch = cueElement.textContent.match(/\n/g); |
21 { | 23 var linesCount = 1 + (linesMatch == null ? 0 : linesMatch.length); |
22 var cueRect = cueElement.getBoundingClientRect(); | 24 var lineHeight = cueRect.height / linesCount; |
23 var regionRect = region.getBoundingClientRect(); | |
24 | 25 |
25 var linesMatch = cueElement.textContent.match(/\n/g); | 26 var visibleLines = 0; |
26 var linesCount = 1 + (linesMatch == null ? 0 : linesMatch.length); | 27 for (i = 0; i < linesCount; ++i) { |
27 var lineHeight = cueRect.height / linesCount; | 28 var lineTop = cueRect.top + i * lineHeight; |
29 var lineBottom = cueRect.top + (i+1) * lineHeight; | |
28 | 30 |
29 var visibleLines = 0; | 31 if (lineTop >= regionRect.top && lineBottom <= regionRect.bottom) |
30 for (i = 0; i < linesCount; ++i) { | 32 visibleLines++; |
31 var lineTop = cueRect.top + i * lineHeight; | 33 } |
32 var lineBottom = cueRect.top + (i+1) * lineHeight; | |
33 | 34 |
34 if (lineTop >= regionRect.top && lineBottom <= regionRect.bottom) | 35 return visibleLines; |
35 visibleLines++; | 36 } |
36 } | |
37 | 37 |
38 return visibleLines; | 38 async_test(function() { |
39 } | 39 var video = document.querySelector('video'); |
40 video.src = findMediaFile('video', '../../content/test'); | |
41 var testTrack = document.createElement('track'); | |
42 testTrack.onload = this.step_func(function() { | |
Srirama
2016/04/01 12:14:23
Not able to use var 't' here so i removed it every
philipj_slow
2016/04/06 12:19:40
It looks like you're just missing a "t" above, try
Srirama
2016/04/07 10:40:07
Because of this issue i have removed 't' from ever
philipj_slow
2016/04/07 11:07:39
That sounds weird, why couldn't you use t below? F
Srirama
2016/04/07 11:15:52
Don't know the exact reason, all other test cases
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43 video.addEventListener('canplaythrough', this.step_func(function() { | |
44 video.removeEventListener('canplaythrough', this); | |
philipj_slow
2016/04/06 12:40:04
I don't think this is the callback here, is it? ar
Srirama
2016/04/07 10:40:07
Done.
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45 track = video.textTracks[0]; | |
40 | 46 |
41 function testRegionsDisplay() | 47 assert_equals(track.regions.length, 1); |
42 { | |
43 video.removeEventListener('canplaythrough', testRegionsDisplay); | |
44 | 48 |
45 testTrack = video.textTracks[0]; | 49 region = textTrackDisplayElement(video, 'region'); |
50 container = textTrackDisplayElement(video, 'region-container'); | |
46 | 51 |
47 consoleWrite("** The text track has only one region **"); | 52 video.onseeked = this.step_func(function() { |
48 testExpected("testTrack.regions.length", 1); | 53 totalVisibleLines = 0; |
49 | 54 |
50 try { | 55 for (var i = 0; i < container.children.length; ++i) { |
51 region = textTrackDisplayElement(video, 'region'); | 56 var cue = container.children[i]; |
52 container = textTrackDisplayElement(video, 'region-container'); | 57 totalVisibleLines += countVisibleLines(cue);; |
53 } catch(e) { | 58 } |
54 consoleWrite(e); | |
55 } | |
56 | 59 |
57 consoleWrite("<br>** Inspecting cues displayed within region**"); | 60 assert_less_than_equal(totalVisibleLines, track.regions[0].heigh t); |
58 | 61 |
59 waitForEvent("seeked", inspectRegionTree); | 62 if (crtSeekTime == seekTimes.length) |
60 seekVideo(); | 63 this.done(); |
61 } | 64 else |
62 | 65 video.currentTime = seekTimes[crtSeekTime++]; |
63 function seekVideo() | 66 }); |
64 { | 67 video.currentTime = seekTimes[crtSeekTime++]; |
65 consoleWrite(""); | 68 })); |
66 run("video.currentTime = " + seekTimes[crtSeekTime++]); | 69 }); |
67 } | 70 testTrack.src = '../captions-webvtt/captions-regions.vtt'; |
68 | 71 testTrack.kind = 'captions'; |
69 function inspectRegionTree() | 72 testTrack.default = true; |
70 { | 73 video.appendChild(testTrack); |
71 consoleWrite("Total cues in region: " + container.children.length); | 74 }); |
72 totalVisibleLines = 0; | 75 </script> |
73 | |
74 for (var i = 0; i < container.children.length; ++i) { | |
75 var cue = container.children[i]; | |
76 var cueVisibleLines = countVisibleLines(cue); | |
77 consoleWrite("Cue content is: " + cue.textContent); | |
78 consoleWrite("Cue lines visible from this cue: " + cueVisibleLin es); | |
79 | |
80 totalVisibleLines += cueVisibleLines; | |
81 } | |
82 | |
83 testExpected("totalVisibleLines <= testTrack.regions[0].height", tru e); | |
84 | |
85 if (crtSeekTime == seekTimes.length) | |
86 endTest(); | |
87 else | |
88 seekVideo(); | |
89 } | |
90 | |
91 function startTest() | |
92 { | |
93 if (!window.VTTRegion) { | |
94 failTest(); | |
95 return; | |
96 } | |
97 | |
98 findMediaElement(); | |
99 | |
100 video.src = findMediaFile('video', '../../content/test'); | |
101 video.addEventListener('canplaythrough', testRegionsDisplay); | |
102 } | |
103 | |
104 </script> | |
105 </head> | |
106 <body> | |
107 <p>Tests default rendering for TextTrackCues that belong to a VTTRegion. </p> | |
108 <video controls> | |
109 <track src="../captions-webvtt/captions-regions.vtt" kind="captions" default onload="startTest()"> | |
110 </video> | |
111 </body> | |
112 </html> | |
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