/**

 * 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:

 * 

 */

/**

 * widget object constructor

 * @param {void}

 *     widget()

 * @return {void}

 */ 

if (typeof window.widget == "undefined" || !window.widget) {

	window.widget = {

		author : 'Nokia WRT Emulation Library',

		//	widget identifier, dummy value

		identifier: 14021981,

		isrotationsupported: true,

		//	widget event triggers

		onshow: null,

		onhide: null,

		sysInfo: [],

		onload: null,

		opacity: 50,

		interval: 20,

		isFront: false,

		preferenceArray: [],

		preferenceKey: 0

	};

	/**

	 * Launches the browser with the specified url

	 * @param {String} url

	 *     openURL()

	 * @return {Void}

	 */

	widget.openURL = function(url){

		if (url) {

			if (url.substring(0, 4) == "tel:") {

				var sz = "Number " + url.substring(4) + " was dialed";

				window.alert(sz);

			} else {

			}

		}

	};

	/**

	 * Returns previously stored preference associated with the specified key

	 * @param {String} Key preference value to be fetch

	 *     preferenceForKey()

	 * @return {String} Value

	 */

	widget.preferenceForKey = function(name){

		return _BRIDGE_REF.nokia.helper.getPreference(name);

	};

	/**

	 * Stores the key associated with the specified preference

	 * @param {String} Preference value to be stored

	 * @param {String} Key Preference value associated to

	 *     setPreferenceForKey()

	 * @return {Void}

	 */

	widget.setPreferenceForKey = function(preference, key){

		_BRIDGE_REF.nokia.helper.setPreference(key, preference);

	};

	/**

	 * Toggle between Tabbed navigation mode or Cursor mode

	 * @param {Boolean} Value

	 *     setNavigationEnabled()

	 * @return {Void}

	 */

	widget.setNavigationEnabled = function(bool){

		//This function can not be used on preview browser

	};

	/**

	 * Open S0-Application identified by UID along with the specified params

	 * @param {Integer} Uid hexadecimal value to a specified application

	 * @param {String} Value

	 *     openApplication()

	 * @return {Void}

	 */

	widget.openApplication = function(Uid, param){

		if (Uid == 270501242) { // Camera

			_BRIDGE_REF.nokia.layout.openApplication("preview/images/camera.png");

		} else {

			_BRIDGE_REF.nokia.layout.openApplication("Application UID: " + Uid + "Parameters are: " + param);

		}

	};

	/**

	 * Prepares the Widget.to do transition to specified transitionState

	 * @param {String} Value Transition state

	 *     prepareForTransition()

	 * @return {Void}

	 */

	widget.prepareForTransition = function(transitionState){

		this.isFront = ("" + transitionState).toLowerCase() != "toback";

		window.document.getElementsByTagName("body")[0].style.opacity = "0.3";

	};

	/**

	 * Does the animation to make the transition between the specified transitionState

	 * @param {Void}

	 *     performTransition()

	 * @return {Void}

	 */

	widget.performTransition = function(){

		var _self = this;

		this.opacity = 0;

		this.interval = window.setInterval(function(){

			_self.opacity += 0.2;

			if (_self.opacity > 1) {

				_self.opacity = 1;

			}

			window.document.getElementsByTagName("body")[0].style.opacity = _self.opacity + "";

			if (_self.opacity >= 1) {

				window.clearInterval(_self.interval);

				window.document.getElementsByTagName("body")[0].style.opacity = "1";

			}

			//do nothing

		}, 50);

		//do nothing

	};

	/**

	 * Set the preferred screen orientation to landscape.

	 * The display will flip if the phone display orientation

	 * is portrait and the phone supports landscape mode.

	 * @param {Void}

	 *     setDisplayLandscape()

	 * @return {Void}

	 */

	widget.setDisplayLandscape = function(){

		try {

			if (this.isrotationsupported && _BRIDGE_REF.nokia.emulator.orientationSupports()) {

				_BRIDGE_REF.nokia.emulator.setMode('landscape');

			}

		} 

		catch (e) {

		}

	};

	/**

	 * Set the preferred screen orientation to portrait.

	 * The display will flip if the phone display orientation

	 * is landscape and the phone supports portrait mode.

	 * @param {Void}

	 *     setDisplayPortrait()

	 * @return {Void}

	 */

	widget.setDisplayPortrait = function(){

		try {

			if (this.isrotationsupported && _BRIDGE_REF.nokia.emulator.orientationSupports()) {

				_BRIDGE_REF.nokia.emulator.setMode('portrait');

			}

		} 

		catch (e) {

		}

	};

	/**

	 * Allows the definition of a function to be called

	 * when a Widget.is displayed

	 * @param {Void}

	 *     onshow()

	 * @return {Void}

	 */

	widget.onshow = function(){

		// to be implemented

	};

	/**

	 * Allows the definition of a function to be called

	 * when a Widget.sent into the background (hidden)

	 * @param {Void}

	 *     onhide()

	 * @return {Void}

	 */

	widget.onhide = function(){

		// to be implemented

	};

	/**

	 * This function returns the System API if sysinfo is included in document embed

	 */

	widget.enableSystemApi = function(){

		//	Identify, and Attach System-Info-Object properties

		try {

			var parentIframeRef = window.parent.frames[0];

			if (typeof parentIframeRef == 'object') {

				if (parentIframeRef.document.embeds.length > 0) {

					for (var i = 0; i < parentIframeRef.document.embeds.length; i++) {

						//match the system Info API embed tag

						if (parentIframeRef.document.embeds[i].type == 'application/x-systeminfo-widget') {

							new systemAPI(parentIframeRef.document.embeds[i]);

//							widget.sysInfo = parentIframeRef.document.embeds[i];

							// hide the <embed> object

							parentIframeRef.document.embeds[i].style.display='none';

							// push the reference object into widget

							widget.sysInfo.push(parentIframeRef.document.embeds[i]);

						}

					}

				}

			}

		} 

		catch (e) {

			alert('Error in attachSysInfo: ' + e);

		}

	};

	/**

	 * 

	 */

	widget.triggerListener = function(provider, eventType, data){

		if(widget.sysInfo.length){

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

				if(provider == "power"){

					switch(eventType){

						case "chargerconnected" : 

												  widget.sysInfo[i].chargerconnected = data;

												  if(widget.sysInfo[i].onchargerconnected != null){

													setTimeout(widget.sysInfo[i].onchargerconnected, 0);

												  }else{

														console.info("System API-1.0 Notice -- no listeners defined for eventType:"+eventType);

												  }

												  break;

						case "chargelevel" 		:

												  widget.sysInfo[i].chargelevel = data;

												  if(widget.sysInfo[i].onchargelevel != null){

													setTimeout(widget.sysInfo[i].onchargelevel, 0);

												  }else{

														console.info("System API-1.0 Notice -- no listeners defined for eventType:"+eventType);

												  }

												 break;

					}

				}

			}

		}else{

			console.info("System API-1.0 Notice -- no listeners defined for eventType:"+eventType);

		}

	};

	//	make TRUE widget.js script loaded

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

}

(function(){

	//	attach the System-Info api specific functionality

	_BRIDGE_REF.helper.addEvent(window, 'load', function(){

		widget.enableSystemApi();

	});

	if (_BRIDGE_REF.nokia) {

		_BRIDGE_REF.nokia.menu.lsk_event = function(){

			_BRIDGE_REF.nokia.emulator.child.menu.show();

		};

		//	Add THIS window Reference on FRAME WINDOW

		//	NOKIA.emulator.child object reference

		_BRIDGE_REF.nokia.emulator.child = window;

		_BRIDGE_REF.nokia.menu.init();

	}	

})();