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
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
michael@0: Cu.import("resource://gre/modules/Services.jsm");
michael@0: Cu.import("resource://services-sync/main.js");
michael@0: 
michael@0: let gProgressBar;
michael@0: let gCounter = 0;
michael@0: 
michael@0: function onLoad(event) {
michael@0:   Services.obs.addObserver(onEngineSync, "weave:engine:sync:finish", false);
michael@0:   Services.obs.addObserver(onEngineSync, "weave:engine:sync:error", false);
michael@0:   Services.obs.addObserver(onServiceSync, "weave:service:sync:finish", false);
michael@0:   Services.obs.addObserver(onServiceSync, "weave:service:sync:error", false);
michael@0: 
michael@0:   gProgressBar = document.getElementById('uploadProgressBar');
michael@0: 
michael@0:   if (Services.prefs.getPrefType("services.sync.firstSync") != Ci.nsIPrefBranch.PREF_INVALID) {
michael@0:     gProgressBar.hidden = false;
michael@0:   }
michael@0:   else {
michael@0:     gProgressBar.hidden = true;
michael@0:   }
michael@0: }
michael@0: 
michael@0: function onUnload(event) {
michael@0:   cleanUpObservers();
michael@0: }
michael@0: 
michael@0: function cleanUpObservers() {
michael@0:   try {
michael@0:     Services.obs.removeObserver(onEngineSync, "weave:engine:sync:finish");
michael@0:     Services.obs.removeObserver(onEngineSync, "weave:engine:sync:error");
michael@0:     Services.obs.removeObserver(onServiceSync, "weave:service:sync:finish");
michael@0:     Services.obs.removeObserver(onServiceSync, "weave:service:sync:error");
michael@0:   }
michael@0:   catch (e) {
michael@0:     // may be double called by unload & exit. Ignore.
michael@0:   }
michael@0: }
michael@0: 
michael@0: function onEngineSync(subject, topic, data) {
michael@0:   // The Clients engine syncs first. At this point we don't necessarily know
michael@0:   // yet how many engines will be enabled, so we'll ignore the Clients engine
michael@0:   // and evaluate how many engines are enabled when the first "real" engine
michael@0:   // syncs.
michael@0:   if (data == "clients") {
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   if (!gCounter &&
michael@0:       Services.prefs.getPrefType("services.sync.firstSync") != Ci.nsIPrefBranch.PREF_INVALID) {
michael@0:     gProgressBar.max = Weave.Service.engineManager.getEnabled().length;
michael@0:   }
michael@0: 
michael@0:   gCounter += 1;
michael@0:   gProgressBar.setAttribute("value", gCounter);
michael@0: }
michael@0: 
michael@0: function onServiceSync(subject, topic, data) {
michael@0:   // To address the case where 0 engines are synced, we will fill the
michael@0:   // progress bar so the user knows that the sync has finished.
michael@0:   gProgressBar.setAttribute("value", gProgressBar.max);
michael@0:   cleanUpObservers();
michael@0: }
michael@0: 
michael@0: function closeTab() {
michael@0:   window.close();
michael@0: }