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b2g/components/AlertsService.js@925c144e1f1f (annotated)

b2g/components/AlertsService.js

Fri, 16 Jan 2015 18:13:44 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Fri, 16 Jan 2015 18:13:44 +0100

branch

TOR_BUG_9701

changeset 14

925c144e1f1f

permissions

-rw-r--r--

Integrate suggestion from review to improve consistency with existing code.

michael@0	1	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	2	* License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0	3	* You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	4
michael@0	5	const Ci = Components.interfaces;
michael@0	6	const Cu = Components.utils;
michael@0	7	const Cc = Components.classes;
michael@0	8
michael@0	9	Cu.import("resource://gre/modules/XPCOMUtils.jsm");
michael@0	10	Cu.import("resource://gre/modules/Services.jsm");
michael@0	11
michael@0	12	XPCOMUtils.defineLazyServiceGetter(this, "gSystemMessenger",
michael@0	13	"@mozilla.org/system-message-internal;1",
michael@0	14	"nsISystemMessagesInternal");
michael@0	15
michael@0	16	XPCOMUtils.defineLazyServiceGetter(this, "uuidGenerator",
michael@0	17	"@mozilla.org/uuid-generator;1",
michael@0	18	"nsIUUIDGenerator");
michael@0	19
michael@0	20	XPCOMUtils.defineLazyServiceGetter(this, "notificationStorage",
michael@0	21	"@mozilla.org/notificationStorage;1",
michael@0	22	"nsINotificationStorage");
michael@0	23
michael@0	24
michael@0	25	XPCOMUtils.defineLazyGetter(this, "cpmm", function() {
michael@0	26	return Cc["@mozilla.org/childprocessmessagemanager;1"]
michael@0	27	.getService(Ci.nsIMessageSender);
michael@0	28	});
michael@0	29
michael@0	30	function debug(str) {
michael@0	31	dump("=*= AlertsService.js : " + str + "\n");
michael@0	32	}
michael@0	33
michael@0	34	// -----------------------------------------------------------------------
michael@0	35	// Alerts Service
michael@0	36	// -----------------------------------------------------------------------
michael@0	37
michael@0	38	function AlertsService() {
michael@0	39	cpmm.addMessageListener("app-notification-return", this);
michael@0	40	}
michael@0	41
michael@0	42	AlertsService.prototype = {
michael@0	43	classID: Components.ID("{fe33c107-82a4-41d6-8c64-5353267e04c9}"),
michael@0	44	QueryInterface: XPCOMUtils.generateQI([Ci.nsIAlertsService,
michael@0	45	Ci.nsIAppNotificationService]),
michael@0	46
michael@0	47	// nsIAlertsService
michael@0	48	showAlertNotification: function showAlertNotification(aImageUrl,
michael@0	49	aTitle,
michael@0	50	aText,
michael@0	51	aTextClickable,
michael@0	52	aCookie,
michael@0	53	aAlertListener,
michael@0	54	aName,
michael@0	55	aBidi,
michael@0	56	aLang) {
michael@0	57	let browser = Services.wm.getMostRecentWindow("navigator:browser");
michael@0	58	browser.AlertsHelper.showAlertNotification(aImageUrl, aTitle, aText,
michael@0	59	aTextClickable, aCookie,
michael@0	60	aAlertListener, aName, aBidi,
michael@0	61	aLang);
michael@0	62	},
michael@0	63
michael@0	64	closeAlert: function(aName) {
michael@0	65	let browser = Services.wm.getMostRecentWindow("navigator:browser");
michael@0	66	browser.AlertsHelper.closeAlert(aName);
michael@0	67	},
michael@0	68
michael@0	69	// nsIAppNotificationService
michael@0	70	showAppNotification: function showAppNotification(aImageURL,
michael@0	71	aTitle,
michael@0	72	aText,
michael@0	73	aAlertListener,
michael@0	74	aDetails) {
michael@0	75	let uid = (aDetails.id == "") ?
michael@0	76	"app-notif-" + uuidGenerator.generateUUID() : aDetails.id;
michael@0	77
michael@0	78	this._listeners[uid] = {
michael@0	79	observer: aAlertListener,
michael@0	80	title: aTitle,
michael@0	81	text: aText,
michael@0	82	manifestURL: aDetails.manifestURL,
michael@0	83	imageURL: aImageURL,
michael@0	84	lang: aDetails.lang || undefined,
michael@0	85	id: aDetails.id || undefined,
michael@0	86	dbId: aDetails.dbId || undefined,
michael@0	87	dir: aDetails.dir || undefined,
michael@0	88	tag: aDetails.tag || undefined
michael@0	89	};
michael@0	90
michael@0	91	cpmm.sendAsyncMessage("app-notification-send", {
michael@0	92	imageURL: aImageURL,
michael@0	93	title: aTitle,
michael@0	94	text: aText,
michael@0	95	uid: uid,
michael@0	96	details: aDetails
michael@0	97	});
michael@0	98	},
michael@0	99
michael@0	100	// AlertsService.js custom implementation
michael@0	101	_listeners: [],
michael@0	102
michael@0	103	receiveMessage: function receiveMessage(aMessage) {
michael@0	104	let data = aMessage.data;
michael@0	105	let listener = this._listeners[data.uid];
michael@0	106	if (aMessage.name !== "app-notification-return" || !listener) {
michael@0	107	return;
michael@0	108	}
michael@0	109
michael@0	110	let topic = data.topic;
michael@0	111
michael@0	112	try {
michael@0	113	listener.observer.observe(null, topic, null);
michael@0	114	} catch (e) {
michael@0	115	// It seems like there is no callbacks anymore, forward the click on
michael@0	116	// notification via a system message containing the title/text/icon of
michael@0	117	// the notification so the app get a change to react.
michael@0	118	if (data.target) {
michael@0	119	gSystemMessenger.sendMessage("notification", {
michael@0	120	title: listener.title,
michael@0	121	body: listener.text,
michael@0	122	imageURL: listener.imageURL,
michael@0	123	lang: listener.lang,
michael@0	124	dir: listener.dir,
michael@0	125	id: listener.id,
michael@0	126	tag: listener.tag,
michael@0	127	dbId: listener.dbId
michael@0	128	},
michael@0	129	Services.io.newURI(data.target, null, null),
michael@0	130	Services.io.newURI(listener.manifestURL, null, null));
michael@0	131	}
michael@0	132	}
michael@0	133
michael@0	134	// we're done with this notification
michael@0	135	if (topic === "alertfinished") {
michael@0	136	if (listener.dbId) {
michael@0	137	notificationStorage.delete(listener.manifestURL, listener.dbId);
michael@0	138	}
michael@0	139	delete this._listeners[data.uid];
michael@0	140	}
michael@0	141	}
michael@0	142	};
michael@0	143
michael@0	144	this.NSGetFactory = XPCOMUtils.generateNSGetFactory([AlertsService]);