tenfourfox/dom/notification/ChromeNotifications.js
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

127 lines
3.9 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const DEBUG = false;
function debug(s) {
dump("-*- ChromeNotifications.js: " + s + "\n");
}
const Ci = Components.interfaces;
const Cu = Components.utils;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "Services",
"resource://gre/modules/Services.jsm");
XPCOMUtils.defineLazyServiceGetter(this, "cpmm",
"@mozilla.org/childprocessmessagemanager;1",
"nsIMessageSender");
XPCOMUtils.defineLazyServiceGetter(this, "appNotifier",
"@mozilla.org/system-alerts-service;1",
"nsIAppNotificationService");
const CHROMENOTIFICATIONS_CID = "{74f94093-8b37-497e-824f-c3b250a911da}";
const CHROMENOTIFICATIONS_CONTRACTID = "@mozilla.org/mozChromeNotifications;1";
function ChromeNotifications() {
this.innerWindowID = null;
this.resendCallback = null;
}
ChromeNotifications.prototype = {
init: function(aWindow) {
let util = aWindow.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDOMWindowUtils);
this.innerWindowID = util.currentInnerWindowID;
Services.obs.addObserver(this, "inner-window-destroyed", false);
cpmm.addMessageListener("Notification:GetAllCrossOrigin:Return:OK", this);
},
performResend: function(notifications) {
let resentNotifications = 0;
notifications.forEach(function(notification) {
let behavior;
try {
behavior = JSON.parse(notification.mozbehavior);
} catch(e) {
behavior = undefined;
}
if (behavior && behavior.showOnlyOnce === true) {
return;
}
appNotifier.showAppNotification(
notification.icon,
notification.title,
notification.body,
null,
{
manifestURL: notification.origin,
id: notification.alertName,
dir: notification.dir,
lang: notification.lang,
tag: notification.tag,
dbId: notification.id,
timestamp: notification.timestamp,
data: notification.data,
mozbehavior: behavior
}
);
resentNotifications++;
});
try {
this.resendCallback && this.resendCallback(resentNotifications);
} catch (ex) {
if (DEBUG) debug("Content sent exception: " + ex);
}
},
mozResendAllNotifications: function(resendCallback) {
this.resendCallback = resendCallback;
cpmm.sendAsyncMessage("Notification:GetAllCrossOrigin", {});
},
receiveMessage: function(message) {
switch (message.name) {
case "Notification:GetAllCrossOrigin:Return:OK":
this.performResend(message.data.notifications);
break;
default:
if (DEBUG) { debug("Unrecognized message: " + message.name); }
break;
}
},
observe: function(aSubject, aTopic, aData) {
if (DEBUG) debug("Topic: " + aTopic);
if (aTopic == "inner-window-destroyed") {
let wId = aSubject.QueryInterface(Ci.nsISupportsPRUint64).data;
if (wId != this.innerWindowID) {
return;
}
Services.obs.removeObserver(this, "inner-window-destroyed");
cpmm.removeMessageListener("Notification:GetAllCrossOrigin:Return:OK", this);
}
},
classID : Components.ID(CHROMENOTIFICATIONS_CID),
contractID : CHROMENOTIFICATIONS_CONTRACTID,
QueryInterface: XPCOMUtils.generateQI([Ci.nsIChromeNotifications,
Ci.nsIDOMGlobalPropertyInitializer,
Ci.nsIObserver,
Ci.nsIMessageListener]),
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ChromeNotifications]);