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: "use strict"
michael@0: 
michael@0: const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
michael@0: 
michael@0: this.EXPORTED_SYMBOLS = ["DataStoreServiceInternal"];
michael@0: 
michael@0: function debug(s) {
michael@0:   //dump('DEBUG DataStoreServiceInternal: ' + s + '\n');
michael@0: }
michael@0: 
michael@0: Cu.import("resource://gre/modules/XPCOMUtils.jsm");
michael@0: Cu.import("resource://gre/modules/Services.jsm");
michael@0: 
michael@0: XPCOMUtils.defineLazyServiceGetter(this, "ppmm",
michael@0:                                    "@mozilla.org/parentprocessmessagemanager;1",
michael@0:                                    "nsIMessageBroadcaster");
michael@0: 
michael@0: XPCOMUtils.defineLazyServiceGetter(this, "dataStoreService",
michael@0:                                    "@mozilla.org/datastore-service;1",
michael@0:                                    "nsIDataStoreService");
michael@0: 
michael@0: this.DataStoreServiceInternal = {
michael@0:   init: function() {
michael@0:     debug("init");
michael@0: 
michael@0:     let inParent = Cc["@mozilla.org/xre/app-info;1"].getService(Ci.nsIXULRuntime)
michael@0:                       .processType == Ci.nsIXULRuntime.PROCESS_TYPE_DEFAULT;
michael@0:     if (inParent) {
michael@0:       ppmm.addMessageListener("DataStore:Get", this);
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   receiveMessage: function(aMessage) {
michael@0:     debug("receiveMessage");
michael@0: 
michael@0:     if (aMessage.name != 'DataStore:Get') {
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     let prefName = 'dom.testing.datastore_enabled_for_hosted_apps';
michael@0:     if ((Services.prefs.getPrefType(prefName) == Services.prefs.PREF_INVALID ||
michael@0:          !Services.prefs.getBoolPref(prefName)) &&
michael@0:         !aMessage.target.assertAppHasStatus(Ci.nsIPrincipal.APP_STATUS_CERTIFIED)) {
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     let msg = aMessage.data;
michael@0: 
michael@0:     if (!aMessage.principal ||
michael@0:         aMessage.principal.appId == Ci.nsIScriptSecurityManager.UNKNOWN_APP_ID) {
michael@0:       aMessage.target.sendAsyncMessage("DataStore:Get:Return:KO");
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     msg.stores = dataStoreService.getDataStoresInfo(msg.name, aMessage.principal.appId);
michael@0:     if (msg.stores === null) {
michael@0:       aMessage.target.sendAsyncMessage("DataStore:Get:Return:KO");
michael@0:       return;
michael@0:     }
michael@0:     aMessage.target.sendAsyncMessage("DataStore:Get:Return:OK", msg);
michael@0:   }
michael@0: }
michael@0: 
michael@0: DataStoreServiceInternal.init();