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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 'use strict'; | |
| 6 | |
| 7 /** | |
| 8 * Test API for Chrome OS Video Player and Audio Player. | |
| 9 * | |
| 10 * To test the Video Player open a tab with the URL: | |
| 11 * chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/video_player.html | |
| 12 * | |
| 13 * To test the Audio Player open a tab with the URL: | |
| 14 * chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/mediaplayer.html | |
| 15 * | |
| 16 */ | |
| 17 var playerTestAPI = { | |
| 18 | |
| 19 /* Methods common for audio and video players */ | |
| 20 | |
| 21 /** | |
| 22 * Respond with the path to the current media source. | |
| 23 */ | |
| 24 getSrc: function() { | |
| 25 playerTestAPI.respond_(util.extractFilePath(playerTestAPI.getMedia_().src)); | |
| 26 }, | |
| 27 | |
| 28 /** | |
| 29 * Respond with a boolean value, true if the media is playing. | |
| 30 */ | |
| 31 isPlaying: function() { | |
| 32 playerTestAPI.respond_(playerTestAPI.getControls_().isPlaying()); | |
| 33 }, | |
| 34 | |
| 35 /** | |
| 36 * Play the media. | |
| 37 */ | |
| 38 play: function() { | |
| 39 playerTestAPI.getControls_().play(); | |
| 40 }, | |
| 41 | |
| 42 /** | |
| 43 * Pause the playback. | |
| 44 */ | |
| 45 pause: function() { | |
| 46 playerTestAPI.getControls_().pause(); | |
| 47 }, | |
| 48 | |
| 49 /** | |
| 50 * Respond with a number, duration of the media in seconds. | |
| 51 */ | |
| 52 getDuration: function() { | |
| 53 playerTestAPI.respond_(playerTestAPI.getMedia_().duration); | |
| 54 }, | |
| 55 | |
| 56 /** | |
| 57 * Respond with a number, current media position in seconds. | |
| 58 */ | |
| 59 getCurrentTime: function() { | |
| 60 playerTestAPI.respond_(playerTestAPI.getMedia_().currentTime); | |
| 61 }, | |
| 62 | |
| 63 /** | |
| 64 * Change media position. | |
| 65 * @param {number} time Media positions. | |
| 66 */ | |
| 67 seekTo: function(time) { | |
| 68 playerTestAPI.getMedia_().currentTime = time; | |
| 69 }, | |
| 70 | |
| 71 /* Video player-specific methods. | |
| 72 * | |
| 73 * To test the video player open a tab with the url: | |
| 74 * chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/mediaplayer.html | |
| 75 * | |
| 76 */ | |
| 77 | |
| 78 /** | |
| 79 * Load the specified file in the video player, | |
| 80 * Starts playing immediately. | |
| 81 * @param {string} filePath File path. | |
| 82 */ | |
| 83 loadVideo: function(filePath) { | |
| 84 var url = util.makeFilesystemUrl(filePath); | |
| 85 location.href = location.origin + location.pathname + '?' + url; | |
| 86 reload(); | |
| 87 }, | |
| 88 | |
| 89 /** | |
| 90 * Respond with a number, current volume [0..100]. | |
| 91 */ | |
| 92 getVolume: function() { | |
| 93 playerTestAPI.respond_(playerTestAPI.getMedia_().volume * 100); | |
| 94 }, | |
| 95 | |
| 96 /** | |
| 97 * Change volume. | |
| 98 * @param {number} volume Volume [0..100]. | |
| 99 */ | |
| 100 setVolume: function(volume) { | |
| 101 playerTestAPI.respond_( | |
| 102 playerTestAPI.getControls_().onVolumeChange_(volume / 100)); | |
| 103 }, | |
| 104 | |
| 105 /** | |
| 106 * Respond with a boolean, true if the volume is muted. | |
| 107 */ | |
| 108 isMuted: function() { | |
| 109 playerTestAPI.respond_(playerTestAPI.getMedia_().volume == 0); | |
| 110 }, | |
| 111 | |
| 112 /** | |
| 113 * Mute the volume. No-op if already muted. | |
| 114 */ | |
| 115 mute: function() { | |
| 116 if (playerTestAPI.getMedia_().volume != 0) | |
| 117 playerTestAPI.getControls_().onSoundButtonClick_(); | |
| 118 }, | |
| 119 | |
| 120 /** | |
| 121 * Unmute the volume. No-op if not muted. | |
| 122 */ | |
| 123 unmute: function() { | |
| 124 if (playerTestAPI.getMedia_().volume == 0) | |
| 125 playerTestAPI.getControls_().onSoundButtonClick_(); | |
| 126 }, | |
| 127 | |
| 128 /* Audio player-specific methods. */ | |
| 129 | |
| 130 /** | |
| 131 * Load a group of tracks into the audio player. | |
| 132 * Starts playing one of the tracks immediately. | |
| 133 * @param {Array.<string>} filePaths Array of file paths. | |
| 134 * @param {number} firstTrack Number of the file to play first (0-based). | |
| 135 */ | |
| 136 loadAudio: function(filePaths, firstTrack) { | |
| 137 AudioPlayer.instance.load({ | |
| 138 items: filePaths.map(util.makeFilesystemUrl), | |
| 139 position: firstTrack | |
| 140 }); | |
| 141 }, | |
| 142 | |
| 143 /** | |
| 144 * Respond with a current track number, | |
| 145 */ | |
| 146 getTrackNumber: function() { | |
| 147 playerTestAPI.respond_(AudioPlayer.instance.currentTrack_); | |
| 148 }, | |
| 149 | |
| 150 /** | |
| 151 * Play the next track. | |
| 152 */ | |
| 153 forward: function() { | |
| 154 playerTestAPI.getControls_().onAdvanceClick_(true /* forward */); | |
| 155 }, | |
| 156 | |
| 157 /** | |
| 158 * Go back. Will restart the current track if the current position is > 5 sec | |
| 159 * or play the previous track otherwise. | |
| 160 */ | |
| 161 back: function() { | |
| 162 playerTestAPI.getControls_().onAdvanceClick_(false /* back */); | |
| 163 }, | |
| 164 | |
| 165 /* Utility methods */ | |
| 166 | |
| 167 /** | |
| 168 * @return {AudioControls|VideoControls} Media controls. | |
| 169 * @private | |
| 170 */ | |
| 171 getControls_: function() { | |
| 172 return window.controls || window.AudioPlayer.instance.audioControls_; | |
| 173 }, | |
| 174 | |
| 175 /** | |
| 176 * @return {HTMLVideoElement|HTMLAudioElement} Media element. | |
| 177 * @private | |
| 178 */ | |
| 179 getMedia_: function() { | |
| 180 return playerTestAPI.getControls_().getMedia(); | |
| 181 }, | |
| 182 | |
| 183 /** | |
| 184 * @param {string|boolean|number} value Value to send back. | |
| 185 * @private | |
| 186 */ | |
| 187 respond_: function(value) { | |
| 188 if (window.domAutomationController) | |
| 189 window.domAutomationController.send(value); | |
| 190 else | |
| 191 console.log('playerTestAPI response: ' + value); | |
| 192 } | |
| 193 }; | |
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