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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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) {
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;
}
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([DirectoryProvider]);
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