background.js revision 1320f92c476a1ad9d19dba2a48c72b75566198e9 
1// Copyright 2014 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// Stores the app windows OLNY for test purpose.
8// We SHOULD NOT use it as it is except for test, since the files which have
9// the same name will be overridden each other.
10var appWindowsForTest = {};
11
12var initializeQueue = new AsyncUtil.Queue();
13
14// Initializes the strings. This needs for the volume manager.
15initializeQueue.run(function(fulfill) {
16  chrome.fileManagerPrivate.getStrings(function(stringData) {
17    loadTimeData.data = stringData;
18    fulfill();
19  }.wrap());
20}.wrap());
21
22// Initializes the volume manager. This needs for isolated entries.
23initializeQueue.run(function(fulfill) {
24  VolumeManager.getInstance(fulfill);
25}.wrap());
26
27chrome.app.runtime.onLaunched.addListener(onLaunched);
28
29/**
30 * Called when an app is launched.
31 * @param {Object} launchData Launch data.
32 */
33function onLaunched(launchData) {
34  if (!launchData || !launchData.items || launchData.items.length == 0)
35    return;
36
37  var videos = [];
38
39  initializeQueue.run(function(fulfill) {
40    var isolatedEntries = launchData.items.map(function(item) {
41      return item.entry;
42    });
43
44    chrome.fileManagerPrivate.resolveIsolatedEntries(isolatedEntries,
45        function(externalEntries) {
46          videos = externalEntries.map(function(entry) {
47            return Object.freeze({
48              entry: entry,
49              title: entry.name,
50              url: entry.toURL(),
51            });
52          });
53          fulfill();
54        }.wrap());
55  }.wrap());
56
57  initializeQueue.run(function(fulfill) {
58    if (videos.length > 0) {
59      open(videos);
60    } else {
61      // TODO(yoshiki): handle error in a smarter way.
62      open('', 'error');  // Empty URL shows the error message.
63    }
64    fulfill();
65  }.wrap());
66}
67
68/**
69 * Opens player window.
70 * @param {Array.<Object>} videos List of videos to play.
71 * @return {Promise} Promise to be fulfilled on success, or rejected on error.
72 */
73function open(videos) {
74  return new Promise(function(fulfill, reject) {
75    chrome.app.window.create('video_player.html', {
76      id: 'video',
77      frame: 'none',
78      singleton: false,
79      minWidth: 480,
80      minHeight: 270
81    },
82    fulfill);
83  }).then(function(createdWindow) {
84    // Stores the window for test purpose.
85    appWindowsForTest[videos[0].entry.name] = createdWindow;
86
87    createdWindow.contentWindow.videos = videos;
88    createdWindow.setIcon('images/icon/video-player-64.png');
89
90    if (chrome.test)
91      createdWindow.contentWindow.loadMockCastExtensionForTest = true;
92
93    chrome.runtime.sendMessage({ready: true});
94  }).catch(function(error) {
95    console.error('Launch failed', error.stack || error);
96    return Promise.reject(error);
97  });
98}
99
100// If is is run in the browser test, wait for the test resources are installed
101// as a component extension, and then load the test resources.
102if (chrome.test) {
103  /** @type {string} */
104  window.testExtensionId = 'ljoplibgfehghmibaoaepfagnmbbfiga';
105  chrome.runtime.onMessageExternal.addListener(function(message) {
106    if (message.name !== 'testResourceLoaded')
107      return;
108    var script = document.createElement('script');
109    script.src =
110        'chrome-extension://' + window.testExtensionId +
111        '/common/test_loader.js';
112    document.documentElement.appendChild(script);
113  });
114}
115