dom/datastore/DataStoreServiceInternal.jsm

Fri, 16 Jan 2015 18:13:44 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Fri, 16 Jan 2015 18:13:44 +0100
branch
TOR_BUG_9701
changeset 14
925c144e1f1f
permissions
-rw-r--r--

Integrate suggestion from review to improve consistency with existing code.

michael@0 1 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 4
michael@0 5 "use strict"
michael@0 6
michael@0 7 const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
michael@0 8
michael@0 9 this.EXPORTED_SYMBOLS = ["DataStoreServiceInternal"];
michael@0 10
michael@0 11 function debug(s) {
michael@0 12 //dump('DEBUG DataStoreServiceInternal: ' + s + '\n');
michael@0 13 }
michael@0 14
michael@0 15 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
michael@0 16 Cu.import("resource://gre/modules/Services.jsm");
michael@0 17
michael@0 18 XPCOMUtils.defineLazyServiceGetter(this, "ppmm",
michael@0 19 "@mozilla.org/parentprocessmessagemanager;1",
michael@0 20 "nsIMessageBroadcaster");
michael@0 21
michael@0 22 XPCOMUtils.defineLazyServiceGetter(this, "dataStoreService",
michael@0 23 "@mozilla.org/datastore-service;1",
michael@0 24 "nsIDataStoreService");
michael@0 25
michael@0 26 this.DataStoreServiceInternal = {
michael@0 27 init: function() {
michael@0 28 debug("init");
michael@0 29
michael@0 30 let inParent = Cc["@mozilla.org/xre/app-info;1"].getService(Ci.nsIXULRuntime)
michael@0 31 .processType == Ci.nsIXULRuntime.PROCESS_TYPE_DEFAULT;
michael@0 32 if (inParent) {
michael@0 33 ppmm.addMessageListener("DataStore:Get", this);
michael@0 34 }
michael@0 35 },
michael@0 36
michael@0 37 receiveMessage: function(aMessage) {
michael@0 38 debug("receiveMessage");
michael@0 39
michael@0 40 if (aMessage.name != 'DataStore:Get') {
michael@0 41 return;
michael@0 42 }
michael@0 43
michael@0 44 let prefName = 'dom.testing.datastore_enabled_for_hosted_apps';
michael@0 45 if ((Services.prefs.getPrefType(prefName) == Services.prefs.PREF_INVALID ||
michael@0 46 !Services.prefs.getBoolPref(prefName)) &&
michael@0 47 !aMessage.target.assertAppHasStatus(Ci.nsIPrincipal.APP_STATUS_CERTIFIED)) {
michael@0 48 return;
michael@0 49 }
michael@0 50
michael@0 51 let msg = aMessage.data;
michael@0 52
michael@0 53 if (!aMessage.principal ||
michael@0 54 aMessage.principal.appId == Ci.nsIScriptSecurityManager.UNKNOWN_APP_ID) {
michael@0 55 aMessage.target.sendAsyncMessage("DataStore:Get:Return:KO");
michael@0 56 return;
michael@0 57 }
michael@0 58
michael@0 59 msg.stores = dataStoreService.getDataStoresInfo(msg.name, aMessage.principal.appId);
michael@0 60 if (msg.stores === null) {
michael@0 61 aMessage.target.sendAsyncMessage("DataStore:Get:Return:KO");
michael@0 62 return;
michael@0 63 }
michael@0 64 aMessage.target.sendAsyncMessage("DataStore:Get:Return:OK", msg);
michael@0 65 }
michael@0 66 }
michael@0 67
michael@0 68 DataStoreServiceInternal.init();

mercurial