mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-08 04:27:37 +00:00
59 lines
2.2 KiB
JavaScript
59 lines
2.2 KiB
JavaScript
/* 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]);
|
|
|