/*

* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "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:  This is a plugin implementation

 *                

 *

*/

#ifndef CSERVICEWIDGETPLUGIN_H

#define CSERVICEWIDGETPLUGIN_H

//content harvester

#include <contentharvesterplugin.h>

#include <contentharvesterpluginuids.hrh>

#include <mspnotifychangeobserver.h>

#include "mservicewidgetobservers.h"

#include<badesca.h>

// FORWARD DECLARATIONS

class CServiceWidgetServiceManager;

class CServiceWidgetContentPublisher;

class CCoeEnv;

class MVIMPSTSettingsStore;

class CSPNotifyChange;

/**

 *  

 *  Plugin implementation

 * 

 *  @servicewidgetdatapublisher.dll

 *  @since S60 5.0

 */

class CServiceWidgetPlugin : public CContentHarvesterPlugin,

							 public MSPNotifyChangeObserver,

	{

	friend class Cservicewidgetdatapublisher_ut;

	public:

		/**

		* Two-phased constructor.

		* @return the instance of same class

		*/

		static CServiceWidgetPlugin* NewL();

		/**

		* Standard C++ destructor

		*/    

		~CServiceWidgetPlugin();

	private:

		/**

		* Standard C++ constructor

		*/  

		CServiceWidgetPlugin();

		/**

		* 2phase construction 

		*/ 

		void ConstructL();

		/**

		* helper method for reading the service ids from cspsettings

		*/ 

		void ReadServiceIdsL();

		/**

		* helper method for reading resource file

		*/ 

		void LoadResourceFileL();

		/**

		  * helper method for validating Service and creating/deleting service managers 

		  * as per service

		  */ 

		void ValidateAllServicesL();

	public : //CContentHarvesterPlugin	

		/** 

		* Triggers update process.

		* all the operation must start here

		*/

		void UpdateL() ;

    public : // from  MSPNotifyChangeObserver

		/**

		 * From MSPNotifyChangeObserver 

		 * Callback when service has changed

		 *

		 * @since S60 5.0

		 * @param aServiceId changed service

		 * @return None

		 */

		void HandleNotifyChange( TServiceId aServiceId );

		/**

		 * From MSPNotifyChangeObserver 

		 * Callback when service error occures

		 *

		 * @since S60 5.0

		 * @param aError error code

		 * @return None

		 */

		void HandleError( TInt aError );

	public: // 	from MServiceWidgetEventObserver

		/** 

		* @param aPublisherId publisher id for Theme (it is service name).

		* @param aEvent Event name (i.e. Active,Suspend,Resume,Deactivate,Selected)

		*This function handles all homescreen callbacks (publisher received callback events 

        * from homescreen and direct them to plugin to take appropriate action.)

		*/

		void HandleServiceEventL(const TDesC& aPublisherId, const TDesC8& aEvent,TDesC& aInstId );

	public: //From MAiPropertyExtension.

		    /**

		    * From MAiPropertyExtension.

		    * Read property of publisher plug-in.

		    *

		    * @param aProperty - identification of property.

		    * @return pointer to property value.

		    */

		    /**

		    * From MAiPropertyExtension.

		    * Write property value.

		    *

		    * @param aProperty - identification of property.

		    * @param aValue - contains pointer to property value.

		    */

	private:  // Data members

		// owns : content publishing client to hsps

		CServiceWidgetContentPublisher* iContentPublisher;

		// owns : list of all service ids interested in service tab

		RArray<TInt> iServiceIds;

		// owns : content prioritizer 

		RPointerArray<CServiceWidgetServiceManager> iServiceManagers;

		 // Not owns : A static CEikonEnv

	    CCoeEnv* iEnv;

	    //  owns : a resource offset

	    TInt iResourceOffset;

	    // owns, retrive settings from cenrep store

	    MVIMPSTSettingsStore* iSettingsStore;

	    // Own: service observer

	    CSPNotifyChange* iSpNotifyChange; 

	    // Information about the content publisher (this plug-in)

	};

#endif  // CSERVICEWIDGETPLUGIN_H

// End of File