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gaia/tools/extensions/desktop-helper/bootstrap.js

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+/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
+/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
+
+'use strict';
+
+const CC = Components.Constructor;
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+const Cu = Components.utils;
+
+Cu.import('resource://gre/modules/Services.jsm');
+
+function debug(data) {
+  //dump('desktop-helper: ' + data + '\n');
+}
+
+const kChromeRootPath = 'chrome://desktop-helper.js/content/data/';
+
+// XXX Scripts should be loaded based on the permissions of the apps not
+// based on the domain.
+const kScriptsPerDomain = {
+  '.gaiamobile.org': [
+    'ffos_runtime.js',
+    'lib/bluetooth.js',
+    'lib/cameras.js',
+    'lib/mobile_connection.js',
+    'lib/icc_manager.js',
+    'lib/telephony.js',
+    'lib/wifi.js'
+  ]
+};
+
+function injectMocks() {
+  // Track loading of apps to inject mock APIs
+  Services.obs.addObserver(function(document) {
+    // Some documents like XBL don't have location and should be ignored
+    if (!document.location || !document.defaultView)
+      return;
+    let currentDomain = document.location.toString();
+    let window = document.defaultView;
+
+    // Do not include mocks for unit test sandboxes
+    if (window.wrappedJSObject.mocha &&
+        currentDomain.indexOf('_sandbox.html') !== -1) {
+      return;
+    }
+
+    debug('+++ loading scripts for app: ' + currentDomain + "\n");
+    // Inject mocks based on domain
+    for (let domain in kScriptsPerDomain) {
+      if (currentDomain.indexOf(domain) == -1)
+        continue;
+
+      let includes = kScriptsPerDomain[domain];
+      for (let i = 0; i < includes.length; i++) {
+        debug('loading ' + includes[i] + '...');
+
+        Services.scriptloader.loadSubScript(kChromeRootPath + includes[i],
+                                            window.wrappedJSObject);
+      }
+    }
+  }, 'document-element-inserted', false);
+}
+
+function hotfixAlarms() {
+  // Replace existing alarm service xpcom factory by a new working one,
+  // until a working fallback is implemented in platform code (bug 867868)
+
+  // Sigh. Seems like there is a registration issue between all the addons.
+  // This is dirty but delaying this seems to make it.
+  var timer = Cc['@mozilla.org/timer;1'].createInstance(Ci.nsITimer);
+  timer.initWithCallback(function() {
+    Services.scriptloader.loadSubScript('chrome://desktop-helper.js/content/alarms.js', {});
+  }, 1000, Ci.nsITimer.TYPE_ONE_SHOT);
+}
+
+function startup(data, reason) {
+  try {
+    hotfixAlarms();
+
+    injectMocks();
+  } catch (e) {
+    debug('Something went wrong while trying to start desktop-helper: ' + e);
+  }
+}
+
+function shutdown(data, reason) {
+}
+
+function install(data, reason) {
+}
+
+function uninstall(data, reason) {
+}
+