Light12306/Web12306/js/ui/chat/roomsession.js

define(function (require, exports, module) {
	var EventObject = require("../../platform/EventObject.js");
	var ep = require("../../platform/extensionPort.js");
	var port = ep.port;


	var RoomSession = function () {
		EventObject.apply(this);
		var that = this;
		var room;

		this.enterRoom = function (targetRoom) {
			if (targetRoom == room)
				return;

			that.exitRoom();
			room = targetRoom;
			port.postMessage("enterChatRoom", room);
		};
		this.exitRoom = function () {
			port.postMessage("disconnectChatRoom");
			that.fireEvent("exitRoom");
		};

		Object.defineProperty(this, "room", {
			get: function () {
				return room;
			}
		});
		port.on("chatRoomConnecting", function () {
			that.fireEvent("chatRoomConnecting");
		});
		port.on("chatRoomConnected", function () {
			that.fireEvent("chatRoomConnected");
		});
		port.on("chatRoomMessageReceived", function () {
			that.fireEvent("chatRoomMessageReceived");
		});
		port.on("chatRoomDisconnected", function () {
			that.fireEvent("chatRoomDisconnected");
		});

		return this;
	};
	RoomSession.prototype = Object.create(EventObject);
	RoomSession.constructor = RoomSession;

	var session = new RoomSession();

	return {
		session: session,
		enterRoom: session.enterRoom
	}
});