| <!DOCTYPE html> |
| <title>Tests that tracks can be turned on and off through the track selection menu.</title> |
| <script src='../../resources/testharness.js'></script> |
| <script src='../../resources/testharnessreport.js'></script> |
| <script src='../media-controls.js'></script> |
| <video controls></video> |
| <script> |
| async_test(t => { |
| var captions = ['First', 'Second', 'Third']; |
| var video = document.querySelector('video'); |
| |
| enableTestMode(video); |
| |
| video.oncanplaythrough = t.step_func(_ => { |
| video.oncanplaythrough = undefined; |
| |
| var track1 = video.addTextTrack('captions'); |
| var track2 = video.addTextTrack('captions'); |
| |
| for (var i = 0; i < captions.length; ++i) { |
| track1.addCue(new VTTCue(0, 120, captions[i])); |
| track2.addCue(new VTTCue(0, 120, captions[i])); |
| } |
| |
| // The controls are updated asynchronously. |
| assert_false(isClosedCaptionsButtonEnabled(video)); |
| |
| setTimeout(t.step_func(_ => { |
| assert_true(isClosedCaptionsButtonEnabled(video)); |
| |
| // The captions track should be listed in textTracks, but not yet loaded. |
| assert_equals(video.textTracks.length, 2); |
| assert_equals(video.textTracks[0].mode, 'hidden'); |
| assert_equals(video.textTracks[1].mode, 'hidden'); |
| checkCaptionsHidden(video); |
| |
| // Captions track should become visible after the track is selected and playback begins. |
| clickTextTrackAtIndex(video, 0, t.step_func(() => { |
| checkCaptionsHidden(video, captions); |
| video.play(); |
| |
| video.onplay = t.step_func(() => { |
| checkCaptionsVisible(video, captions); |
| |
| // Captions should not be visible after they're turned off through the menu. |
| turnClosedCaptionsOff(video, t.step_func(() => { |
| checkCaptionsHidden(video); |
| |
| // Captions track should become visible after the track is selected again. |
| clickTextTrackAtIndex(video, 0, t.step_func_done(() => { |
| checkCaptionsVisible(video, captions); |
| })); |
| })); |
| }); |
| })); |
| })); |
| }); |
| |
| video.src = '../content/counting.ogv'; |
| }); |
| </script> |
