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
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
'use strict';
/**
* @param {Object.<string, string>} stringData String data.
* @param {VolumeManager} volumeManager Volume manager.
*/
function BackgroundComponents(stringData, volumeManager) {
/**
* String data.
* @type {Object.<string, string>}
*/
this.stringData = stringData;
/**
* Volume manager.
* @type {VolumeManager}
*/
this.volumeManager = volumeManager;
Object.freeze(this);
}
/**
* Loads background component.
* @return {Promise} Promise fulfilled with BackgroundComponents.
*/
BackgroundComponents.load = function() {
var stringDataPromise = new Promise(function(fulfill) {
chrome.fileManagerPrivate.getStrings(function(stringData) {
loadTimeData.data = stringData;
fulfill(stringData);
});
});
// VolumeManager should be obtained after stringData initialized.
var volumeManagerPromise = stringDataPromise.then(function() {
return new Promise(function(fulfill) {
VolumeManager.getInstance(fulfill);
});
});
return Promise.all([stringDataPromise, volumeManagerPromise]).then(
function(args) {
return new BackgroundComponents(args[0], args[1]);
});
};
/**
* Promise to be fulfilled with singleton instance of background components.
* @type {Promise}
*/
var backgroundComponentsPromise = BackgroundComponents.load();
/**
* Resolves file system names and obtains entries.
* @param {Array.<FileEntry>} entries Names of isolated file system.
* @return {Promise} Promise to be fulfilled with an entry array.
*/
function resolveEntries(entries) {
return new Promise(function(fulfill, reject) {
chrome.fileManagerPrivate.resolveIsolatedEntries(
entries, function(externalEntries) {
if (!chrome.runtime.lastError)
fulfill(externalEntries);
else
reject(chrome.runtime.lastError);
});
});
}
/**
* Obtains child entries.
* @param {DirectoryEntry} entry Directory entry.
* @return {Promise} Promise to be fulfilled with child entries.
*/
function getChildren(entry) {
var reader = entry.createReader();
var readEntries = function() {
return new Promise(reader.readEntries.bind(reader)).then(function(entries) {
if (entries.length === 0)
return [];
return readEntries().then(function(nextEntries) {
return entries.concat(nextEntries);
});
});
};
return readEntries().then(function(entries) {
return entries.sort(function(a, b) {
return a.name.localeCompare(b.name);
});
});
}
/**
* Promise to be fulfilled with single application window.
* This can be null when the window is not opened.
* @type {Promise}
*/
var appWindowPromise = null;
/**
* Promise to be fulfilled with entries that are used for reopening the
* application window.
* @type {Promise}
*/
var reopenEntriesPromsie = null;
/**
* Launches the application with entries.
*
* @param {Promise} selectedEntriesPromise Promise to be fulfilled with the
* entries that are stored in the external file system (not in the isolated
* file system).
* @return {Promise} Promise to be fulfilled after the application is launched.
*/
function launch(selectedEntriesPromise) {
// If there is the previous window, close the window.
if (appWindowPromise) {
reopenEntriesPromsie = selectedEntriesPromise;
appWindowPromise.then(function(appWindow) {
appWindow.close();
});
return Promise.reject('The window has already opened.');
}
reopenEntriesPromsie = null;
// Create a new window.
appWindowPromise = new Promise(function(fulfill) {
chrome.app.window.create(
'gallery.html',
{
id: 'gallery',
innerBounds: {
minWidth: 820,
minHeight: 544
},
frame: 'none'
},
function(appWindow) {
appWindow.contentWindow.addEventListener(
'load', fulfill.bind(null, appWindow));
appWindow.onClosed.addListener(function() {
appWindowPromise = null;
if (reopenEntriesPromsie)
launch(reopenEntriesPromsie);
});
});
});
// If only 1 entry is selected, retrieve entries in the same directory.
// Otherwise, just use the selectedEntries as an entry set.
var allEntriesPromise = selectedEntriesPromise.then(function(entries) {
if (entries.length === 1) {
var parentPromise = new Promise(entries[0].getParent.bind(entries[0]));
return parentPromise.then(getChildren).then(function(entries) {
return entries.filter(FileType.isImage);
});
} else {
return entries;
}
});
// Initialize the window document.
return Promise.all([
appWindowPromise,
backgroundComponentsPromise,
]).then(function(args) {
args[0].contentWindow.initialize(args[1]);
return Promise.all([
allEntriesPromise,
selectedEntriesPromise
]).then(function(entries) {
args[0].contentWindow.loadEntries(entries[0], entries[1]);
});
});
}
chrome.app.runtime.onLaunched.addListener(function(launchData) {
// Skip if files are not selected.
if (!launchData || !launchData.items || launchData.items.length === 0)
return;
// Obtains entries in non-isolated file systems.
// The entries in launchData are stored in the isolated file system.
// We need to map the isolated entries to the normal entries to retrieve their
// parent directory.
var isolatedEntries = launchData.items.map(function(item) {
return item.entry;
});
var selectedEntriesPromise = backgroundComponentsPromise.then(function() {
return resolveEntries(isolatedEntries);
});
launch(selectedEntriesPromise).catch(function(error) {
console.error(error.stack || error);
});
});
// If is is run in the browser test, wait for the test resources are installed
// as a component extension, and then load the test resources.
if (chrome.test) {
/** @type {string} */
window.testExtensionId = 'ejhcmmdhhpdhhgmifplfmjobgegbibkn';
chrome.runtime.onMessageExternal.addListener(function(message) {
if (message.name !== 'testResourceLoaded')
return;
var script = document.createElement('script');
script.src =
'chrome-extension://' + window.testExtensionId +
'/common/test_loader.js';
document.documentElement.appendChild(script);
});
}
|
