make service.js the main entry point from chrome/content; make the service be lazy-loaded; make crypto be lazy-loaded

services/sync/modules/crypto.js

@@ -34,7 +34,7 @@
  *
  * ***** END LICENSE BLOCK ***** */
 
-const EXPORTED_SYMBOLS = ['WeaveCrypto'];
+const EXPORTED_SYMBOLS = ['Crypto'];
 
 const Cc = Components.classes;
 const Ci = Components.interfaces;
@@ -49,10 +49,12 @@ Cu.import("resource://weave/async.js");
 
 Function.prototype.async = Async.sugar;
 
-function WeaveCrypto() {
+Utils.lazy(this, 'Crypto', CryptoSvc);
+
+function CryptoSvc() {
   this._init();
 }
-WeaveCrypto.prototype = {
+CryptoSvc.prototype = {
   _logName: "Crypto",
 
   __os: null,

services/sync/modules/dav.js

@@ -49,6 +49,8 @@ Cu.import("resource://weave/constants.js");
 
 Function.prototype.async = Async.sugar;
 
+Utils.lazy(this, 'DAV', DAVCollection);
+
 /*
  * DAV object
  * Abstracts the raw DAV commands

services/sync/modules/engines.js

@@ -52,7 +52,6 @@ Cu.import("resource://weave/syncCores.js");
 Cu.import("resource://weave/async.js");
 
 Function.prototype.async = Async.sugar;
-let Crypto = new WeaveCrypto();
 
 function Engine(davCollection, pbeId) {
   //this._init(davCollection, pbeId);

services/sync/modules/service.js

@@ -34,7 +34,7 @@
  *
  * ***** END LICENSE BLOCK ***** */
 
-const EXPORTED_SYMBOLS = ['WeaveSyncService'];
+const EXPORTED_SYMBOLS = ['Weave'];
 
 const Cc = Components.classes;
 const Ci = Components.interfaces;
@@ -52,15 +52,28 @@ Cu.import("resource://weave/identity.js");
 Cu.import("resource://weave/async.js");
 
 Function.prototype.async = Async.sugar;
-let Crypto = new WeaveCrypto();
+
+// for export
+let Weave = {};
+Components.utils.import("resource://weave/constants.js", Weave);
+Components.utils.import("resource://weave/util.js", Weave);
+Components.utils.import("resource://weave/async.js", Weave);
+Components.utils.import("resource://weave/crypto.js", Weave);
+Components.utils.import("resource://weave/identity.js", Weave);
+Components.utils.import("resource://weave/dav.js", Weave);
+Components.utils.import("resource://weave/stores.js", Weave);
+Components.utils.import("resource://weave/syncCores.js", Weave);
+Components.utils.import("resource://weave/engines.js", Weave);
+Components.utils.import("resource://weave/service.js", Weave);
+Utils.lazy(Weave, 'Service', WeaveSvc);
 
 /*
  * Service singleton
  * Main entry point into Weave's sync framework
  */
 
-function WeaveSyncService() { this._init(); }
-WeaveSyncService.prototype = {
+function WeaveSvc() { this._init(); }
+WeaveSvc.prototype = {
 
   __os: null,
   get _os() {

services/sync/modules/util.js

@@ -51,6 +51,17 @@ Cu.import("resource://weave/log4moz.js");
 
 let Utils = {
 
+  // lazy load objects from a constructor on first access.  It will
+  // work with the global object ('this' in the global context).
+  lazy: function Weave_lazy(dest, prop, ctr) {
+    let getter = function() {
+      delete dest[prop];
+      dest[prop] = new ctr();
+      return dest[prop];
+    };
+    dest.__defineGetter__(prop, getter);
+  },
+  
   deepEquals: function Weave_deepEquals(a, b) {
     if (!a && !b)
       return true;

services/sync/modules/weave.js

@@ -1,49 +0,0 @@
-/* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Bookmarks Sync.
- *
- * The Initial Developer of the Original Code is Mozilla.
- * Portions created by the Initial Developer are Copyright (C) 2007
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *  Dan Mills <thunder@mozilla.com>
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
-const EXPORTED_SYMBOLS = ['Weave'];
-
-const Cc = Components.classes;
-const Ci = Components.interfaces;
-const Cr = Components.results;
-const Cu = Components.utils;
-
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://weave/service.js");
-
-let Weave = {};
-//Weave.Crypto = new WeaveCrypto();
-Weave.Service = new WeaveSyncService();