/**

 * Copyright (c) 2009-2010 Symbian Foundation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 * 

 * Contributors:

 * 

 * Description:

 * 

 */

/*

 * 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);

		},

		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(){

		},

		console : function(){

			if (!typeof window.console) {

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

			}			

		}

	};

	/*

	 Load Scripts

	 */

	//	Inject SAPI scripts	

	if (_BRIDGE_REF.nokia) {

		var wrtVersion = _BRIDGE_REF.nokia.helper.getPreference('__SYM_WRT_VERSION');

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

			_BRIDGE_REF.nokia.version = 'WRT 1.1';

			_BRIDGE_REF.nokia.helper.setPreference('__SYM_WRT_VERSION', 'WRT 1.1');

		}

		else {

			_BRIDGE_REF.nokia.version = 'WRT 1.0';

		}

	}

	/*

	 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){

		};

	}

	//	make TRUE loader.js script loaded

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

}