/*

 * Emulator, which manages the device interacations

 */

if (typeof _BRIDGE_REF == "undefined" || !_BRIDGE_REF) {

	var _BRIDGE_REF = {

		parent: window.parent || false,

		nokia: window.parent.NOKIA || false,

		sysInfoObject : null

	};

	_BRIDGE_REF.namespace = function(name){

		var parts = name.split('.');

		var current = _BRIDGE_REF;

		for (var key in parts) {

			if (!current[parts[key]]) {

				current[parts[key]] = {};

			}

			current = current[parts[key]];

		}

	};

	/*

	 * _BRIDGE_REF.helper functions

	 */

	_BRIDGE_REF.namespace('helper.loadScript');

	_BRIDGE_REF.helper = {

		path: document.location.pathname,

		loadScript: function(path){

			var head = document.getElementsByTagName("head")[0] || document.documentElement;

			var script = document.createElement("script");

			script.type = "text/javascript";

			script.src = path;

			head.appendChild(script);

		},

		createCookie: function(name, value){

			var days = 240000;

			if (days) {

				var date = new Date();

				date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));

				var expires = "; expires=" + date.toGMTString();

			}

			else 

				var expires = "";

			var value = "Nokia_WRT#" + _BRIDGE_REF.helper.path + "#" + name + "=" + value;

			document.cookie = value + expires + "; Emulator.path=/"

		},

		readCookie: function(name){

			name = "Nokia_WRT#" + _BRIDGE_REF.helper.path + "#" + name;

			var nameEQ = name + "=";

			var ca = document.cookie.split(';');

			for (var i = 0; i < ca.length; i++) {

				var c = ca[i];

				while (c.charAt(0) == ' ') 

					c = c.substring(1, c.length);

				if (c.indexOf(nameEQ) == 0) {

					return c.substring(nameEQ.length, c.length);

				}

			}

			return undefined;

		},

		updateMainCookie: function(doucment){

			var temp = "";

			name = "Nokia_WRT#" + widget.path;

			for (var k = 0; k < widget.preferenceArray.length; k++) {

				temp = temp + "|" + widget.preferenceArray[k];

			}

			this.createCookie(document, name, temp, 24000);

		},

		addEvent: function(obj, type, fn){

			if (obj.addEventListener) {

				obj.addEventListener(type, fn, false);

			}

			else 

				if (obj.attachEvent) {

					obj["e" + type + fn] = fn;

					obj[type + fn] = function(){

						obj["e" + type + fn](window.event);

					}

					obj.attachEvent("on" + type, obj[type + fn]);

				}

		},

		getElementsLengthInObject : function(items){

			var count = 0;

			for (var i in items) 

				count++;

			return count;

		},

		getBatteryStrength : function(){

/*			if(!_BRIDGE_REF.sysInfoObject)

				_BRIDGE_REF.sysInfoObject = device.getServiceObject("Service.SysInfo", "ISysInfo");

			var result = _BRIDGE_REF.sysInfoObject.ISysInfo.GetInfo({

				Entity	: 'Battery',

				Key		:	'ChargingStatus'

			});

			if(!result.ErrorCode)

			{

				return result.Status;

			}else

			{

				alert('Error in getting Battery Strength: '+result.ErrorCode);

				return 0;

			}

			if(typeof device.implementation.data["Service.SysInfo"].default.battery.batterystrength.Status != 'undefined')

				return device.implementation.data["Service.SysInfo"].default.battery.batterystrength.Status;

			else

				return 0;

*/

		},

		console : function(){

			if (!typeof window.console) {

				_BRIDGE_REF.helper.loadScript("preview/script/lib/console.js");

			}			

		}

	};

	/*

	 Load Scripts

	 */

	_BRIDGE_REF.helper.loadScript("preview/script/lib/widget.js");

	_BRIDGE_REF.helper.loadScript("preview/script/lib/systeminfo.js");

	_BRIDGE_REF.helper.loadScript("preview/script/lib/menu.js");

	_BRIDGE_REF.helper.loadScript("preview/script/lib/menuItem.js");

	_BRIDGE_REF.helper.loadScript("preview/script/lib/console.js");

	//	Inject SAPI scripts	

	if (_BRIDGE_REF.nokia) {

		var wrtVersion = _BRIDGE_REF.nokia.helper.readCookie('_WRT_VERSION');

		if ((typeof wrtVersion == 'undefined') || (wrtVersion == 'WRT 1.1')) {

			_BRIDGE_REF.nokia.version = 'WRT 1.1';

			_BRIDGE_REF.nokia.helper.createCookie('_WRT_VERSION', 'WRT 1.1');

			_BRIDGE_REF.helper.loadScript("preview/script/lib/device.js");

		}

		else {

			_BRIDGE_REF.nokia.version = 'WRT 1.0';

		}

	}

	else {

		_BRIDGE_REF.helper.loadScript("preview/script/lib/device.js");

	}

	/*

	 window native functions over-riding

	 */

	if ( (typeof window.frameElement != 'undefined') && (typeof _BRIDGE_REF.nokia  != 'undefined') && window !== window.parent) {

		//	alert

		window.alert = function(msg){

			return window.parent.alert(msg);

		};

		//	confirm

		window.confirm = function(msg){

			return window.parent.confirm(msg);

		};

		//	prompt

		window.prompt = function(msg, str){

			return window.parent.prompt(msg, str)

		};

	}

	//	make TRUE loader.js script loaded

	window.parent.NOKIA.scriptsLoaded.loader = true;