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61 lines
2.4 KiB
JavaScript
61 lines
2.4 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
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// -----------------------------------------------------------------------
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// Directory Provider for special browser folders and files
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// -----------------------------------------------------------------------
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const NS_APP_CACHE_PARENT_DIR = "cachePDir";
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const XRE_UPDATE_ROOT_DIR = "UpdRootD";
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const ENVVAR_UPDATE_DIR = "UPDATES_DIRECTORY";
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const WEBAPPS_DIR = "webappsDir";
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function DirectoryProvider() {}
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DirectoryProvider.prototype = {
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classID: Components.ID("{ef0f7a87-c1ee-45a8-8d67-26f586e46a4b}"),
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIDirectoryServiceProvider]),
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getFile: function(prop, persistent) {
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if (prop == NS_APP_CACHE_PARENT_DIR) {
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let dirsvc = Cc["@mozilla.org/file/directory_service;1"].getService(Ci.nsIProperties);
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let profile = dirsvc.get("ProfD", Ci.nsIFile);
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return profile;
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} else if (prop == WEBAPPS_DIR) {
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// returns the folder that should hold the webapps database file
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// For fennec we will store that in the root profile folder so that all
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// webapps can easily access it
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let dirsvc = Cc["@mozilla.org/file/directory_service;1"].getService(Ci.nsIProperties);
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let profile = dirsvc.get("ProfD", Ci.nsIFile);
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return profile.parent;
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} else if (prop == XRE_UPDATE_ROOT_DIR) {
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let env = Cc["@mozilla.org/process/environment;1"].getService(Ci.nsIEnvironment);
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if (env.exists(ENVVAR_UPDATE_DIR)) {
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let path = env.get(ENVVAR_UPDATE_DIR);
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if (path) {
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let localFile = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsILocalFile);
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localFile.initWithPath(path);
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return localFile;
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}
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}
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let dm = Cc["@mozilla.org/download-manager;1"].getService(Ci.nsIDownloadManager);
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return dm.defaultDownloadsDirectory;
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}
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// We are retuning null to show failure instead for throwing an error. The
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// interface is called quite a bit and throwing an error is noisy. Returning
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// null works with the way the interface is called [see bug 529077]
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return null;
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}
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};
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const NSGetFactory = XPCOMUtils.generateNSGetFactory([DirectoryProvider]);
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