michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: const Cc = Components.classes;
michael@0: const Ci = Components.interfaces;
michael@0: const Cu = Components.utils;
michael@0: 
michael@0: const WEBAPP_REGISTRY_DIR = "WebappRegD";
michael@0: const NS_APP_CHROME_DIR_LIST = "AChromDL";
michael@0: 
michael@0: Cu.import("resource://gre/modules/FileUtils.jsm");
michael@0: Cu.import("resource://gre/modules/XPCOMUtils.jsm");
michael@0: Cu.import("resource://webapprt/modules/WebappRT.jsm");
michael@0: Cu.import("resource://gre/modules/Services.jsm");
michael@0: 
michael@0: function DirectoryProvider() {}
michael@0: 
michael@0: DirectoryProvider.prototype = {
michael@0:   classID: Components.ID("{e1799fda-4b2f-4457-b671-e0641d95698d}"),
michael@0: 
michael@0:   QueryInterface: XPCOMUtils.generateQI([Ci.nsIDirectoryServiceProvider,
michael@0:                                          Ci.nsIDirectoryServiceProvider2]),
michael@0: 
michael@0:   getFile: function(prop, persistent) {
michael@0:     if (prop == WEBAPP_REGISTRY_DIR) {
michael@0:       let dir = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsILocalFile);
michael@0:       dir.initWithPath(WebappRT.config.registryDir);
michael@0:       return dir;
michael@0:     }
michael@0: 
michael@0:     // We return null to show failure instead of throwing an error,
michael@0:     // which works with the way the interface is called (per bug 529077).
michael@0:     return null;
michael@0:   },
michael@0: 
michael@0:   getFiles: function(prop, persistent) {
michael@0:     if (prop == NS_APP_CHROME_DIR_LIST) {
michael@0:       return {
michael@0:         _done: false,
michael@0:         QueryInterface: XPCOMUtils.generateQI([Ci.nsISimpleEnumerator]),
michael@0:         hasMoreElements: function() {
michael@0:           return !this._done;
michael@0:         },
michael@0:         getNext: function() {
michael@0:           this._done = true;
michael@0:           return FileUtils.getDir("AppRegD", ["chrome"], false);
michael@0:         }
michael@0:       };
michael@0:     }
michael@0: 
michael@0:     return null;
michael@0:   },
michael@0: };
michael@0: 
michael@0: this.NSGetFactory = XPCOMUtils.generateNSGetFactory([DirectoryProvider]);