110 lines
2.9 KiB
JavaScript
110 lines
2.9 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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this.EXPORTED_SYMBOLS = ["WebappsUpdater"];
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const Cc = Components.classes;
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const Cu = Components.utils;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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XPCOMUtils.defineLazyServiceGetter(this, "settings",
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"@mozilla.org/settingsService;1",
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"nsISettingsService");
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XPCOMUtils.defineLazyModuleGetter(this, "SystemAppProxy",
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"resource://gre/modules/SystemAppProxy.jsm");
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function debug(aStr) {
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//dump("--*-- WebappsUpdater: " + aStr);
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}
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this.WebappsUpdater = {
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_checkingApps: false,
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handleContentStart: function() {
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},
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sendChromeEvent: function(aType, aDetail) {
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let detail = aDetail || {};
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detail.type = aType;
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let sent = SystemAppProxy.dispatchEvent(detail);
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if (!sent) {
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debug("Warning: Couldn't send update event " + aType +
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": no content browser. Will send again when content becomes available.");
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return false;
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}
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return true;
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},
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_appsUpdated: function(aApps) {
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debug("appsUpdated: " + aApps.length + " apps to update");
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let lock = settings.createLock();
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lock.set("apps.updateStatus", "check-complete", null);
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this.sendChromeEvent("apps-update-check", { apps: aApps });
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this._checkingApps = false;
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},
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// Trigger apps update check and wait for all to be done before
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// notifying gaia.
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updateApps: function() {
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debug("updateApps (" + this._checkingApps + ")");
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// Don't start twice.
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if (this._checkingApps) {
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return;
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}
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let allowUpdate = true;
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try {
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allowUpdate = Services.prefs.getBoolPref("webapps.update.enabled");
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} catch (ex) { }
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if (!allowUpdate) {
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return;
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}
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this._checkingApps = true;
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let self = this;
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let window = Services.wm.getMostRecentWindow("navigator:browser");
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let all = window.navigator.mozApps.mgmt.getAll();
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all.onsuccess = function() {
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let appsCount = this.result.length;
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let appsChecked = 0;
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let appsToUpdate = [];
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this.result.forEach(function updateApp(aApp) {
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let update = aApp.checkForUpdate();
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update.onsuccess = function() {
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if (aApp.downloadAvailable) {
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appsToUpdate.push(aApp.manifestURL);
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}
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appsChecked += 1;
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if (appsChecked == appsCount) {
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self._appsUpdated(appsToUpdate);
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}
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}
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update.onerror = function() {
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appsChecked += 1;
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if (appsChecked == appsCount) {
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self._appsUpdated(appsToUpdate);
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}
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}
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});
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}
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all.onerror = function() {
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// Could not get the app list, just notify to update nothing.
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self._appsUpdated([]);
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}
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}
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};
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