pjs/mobile/components/DirectoryProvider.js

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4.0 KiB
JavaScript

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is XPI Dialog Service.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Mark Finkle <mfinkle@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
const Cc = Components.classes;
const Ci = Components.interfaces;
Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
// -----------------------------------------------------------------------
// Directory Provider for special browser folders and files
// -----------------------------------------------------------------------
const NS_APP_CACHE_PARENT_DIR = "cachePDir";
const XRE_UPDATE_ROOT_DIR = "UpdRootD";
const ENVVAR_UPDATE_DIR = "UPDATES_DIRECTORY";
function DirectoryProvider() {}
DirectoryProvider.prototype = {
classID: Components.ID("{ef0f7a87-c1ee-45a8-8d67-26f586e46a4b}"),
QueryInterface: XPCOMUtils.generateQI([Ci.nsIDirectoryServiceProvider]),
getFile: function(prop, persistent) {
if (prop == NS_APP_CACHE_PARENT_DIR) {
let dirsvc = Cc["@mozilla.org/file/directory_service;1"].getService(Ci.nsIProperties);
let profile = dirsvc.get("ProfD", Ci.nsIFile);
let sysInfo = Cc["@mozilla.org/system-info;1"].getService(Ci.nsIPropertyBag2);
let device = sysInfo.get("device");
switch (device) {
#ifdef MOZ_PLATFORM_MAEMO
case "Nokia N900":
return profile;
case "Nokia N8xx":
let folder = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsILocalFile);
folder.initWithPath("/media/mmc2/.mozilla/fennec");
return folder;
#endif
default:
return profile;
}
} else if (prop == XRE_UPDATE_ROOT_DIR) {
let env = Cc["@mozilla.org/process/environment;1"].getService(Ci.nsIEnvironment);
if (env.exists(ENVVAR_UPDATE_DIR)) {
let path = env.get(ENVVAR_UPDATE_DIR);
if (path) {
let localFile = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsILocalFile);
localFile.initWithPath(path);
return localFile;
}
}
let dm = Cc["@mozilla.org/download-manager;1"].getService(Ci.nsIDownloadManager);
return dm.defaultDownloadsDirectory;
}
// We are retuning null to show failure instead for throwing an error. The
// interface is called quite a bit and throwing an error is noisy. Returning
// null works with the way the interface is called [see bug 529077]
return null;
}
};
const NSGetFactory = XPCOMUtils.generateNSGetFactory([DirectoryProvider]);