127 lines
3.9 KiB
JavaScript
127 lines
3.9 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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const DEBUG = false;
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function debug(s) {
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dump("-*- ChromeNotifications.js: " + s + "\n");
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}
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const Ci = Components.interfaces;
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const Cu = Components.utils;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "Services",
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"resource://gre/modules/Services.jsm");
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XPCOMUtils.defineLazyServiceGetter(this, "cpmm",
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"@mozilla.org/childprocessmessagemanager;1",
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"nsIMessageSender");
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XPCOMUtils.defineLazyServiceGetter(this, "appNotifier",
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"@mozilla.org/system-alerts-service;1",
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"nsIAppNotificationService");
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const CHROMENOTIFICATIONS_CID = "{74f94093-8b37-497e-824f-c3b250a911da}";
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const CHROMENOTIFICATIONS_CONTRACTID = "@mozilla.org/mozChromeNotifications;1";
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function ChromeNotifications() {
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this.innerWindowID = null;
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this.resendCallback = null;
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}
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ChromeNotifications.prototype = {
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init: function(aWindow) {
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let util = aWindow.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIDOMWindowUtils);
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this.innerWindowID = util.currentInnerWindowID;
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Services.obs.addObserver(this, "inner-window-destroyed", false);
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cpmm.addMessageListener("Notification:GetAllCrossOrigin:Return:OK", this);
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},
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performResend: function(notifications) {
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let resentNotifications = 0;
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notifications.forEach(function(notification) {
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let behavior;
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try {
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behavior = JSON.parse(notification.mozbehavior);
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} catch(e) {
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behavior = undefined;
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}
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if (behavior && behavior.showOnlyOnce === true) {
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return;
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}
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appNotifier.showAppNotification(
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notification.icon,
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notification.title,
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notification.body,
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null,
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{
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manifestURL: notification.origin,
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id: notification.alertName,
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dir: notification.dir,
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lang: notification.lang,
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tag: notification.tag,
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dbId: notification.id,
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timestamp: notification.timestamp,
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data: notification.data,
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mozbehavior: behavior
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}
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);
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resentNotifications++;
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});
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try {
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this.resendCallback && this.resendCallback(resentNotifications);
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} catch (ex) {
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if (DEBUG) debug("Content sent exception: " + ex);
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}
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},
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mozResendAllNotifications: function(resendCallback) {
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this.resendCallback = resendCallback;
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cpmm.sendAsyncMessage("Notification:GetAllCrossOrigin", {});
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},
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receiveMessage: function(message) {
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switch (message.name) {
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case "Notification:GetAllCrossOrigin:Return:OK":
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this.performResend(message.data.notifications);
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break;
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default:
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if (DEBUG) { debug("Unrecognized message: " + message.name); }
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break;
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}
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},
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observe: function(aSubject, aTopic, aData) {
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if (DEBUG) debug("Topic: " + aTopic);
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if (aTopic == "inner-window-destroyed") {
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let wId = aSubject.QueryInterface(Ci.nsISupportsPRUint64).data;
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if (wId != this.innerWindowID) {
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return;
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}
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Services.obs.removeObserver(this, "inner-window-destroyed");
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cpmm.removeMessageListener("Notification:GetAllCrossOrigin:Return:OK", this);
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}
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},
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classID : Components.ID(CHROMENOTIFICATIONS_CID),
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contractID : CHROMENOTIFICATIONS_CONTRACTID,
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIChromeNotifications,
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Ci.nsIDOMGlobalPropertyInitializer,
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Ci.nsIObserver,
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Ci.nsIMessageListener]),
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};
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ChromeNotifications]);
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