/*

* Copyright (c) 2007 Nokia Corporation 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:  

*

*/

#ifndef C_WRTCONTENTHARVESTER_H

#define C_WRTCONTENTHARVESTER_H 

// INCLUDES

#include <apgcli.h> // RApaLsSession 

#include <contentharvesterplugin.h>

#include "widgetappdefs.rh"

#include "wrtharvesterregistryaccess.h"

// FORWARD DECLARATIONS

class CWrtHarvesterPSNotifier;

class CWrtHarvesterPublisherObserver;

class MLiwInterface;

class CLiwGenericParamList;

// CONSTANTS

// CLASS DECLARATION

/**

 * 

 *

 *  @lib ??????.dll

 *  @since S60 S60 v3.1

 */

class CWrtHarvester: public CContentHarvesterPlugin

	{

	public: // Constructors and destructor

		/**

		 * Two-phased constructor.

		 */

		static CWrtHarvester* NewL( MLiwInterface* aCPSInterface );

		/**

		 * Destructor.

		 */

		virtual ~CWrtHarvester();

        // from base class 

		/**

    	* 

    	*/

		void UpdateL();

		/**

    	* 

    	*/

		void TryLaunchNextWidgetL();

        /**

		* @param aContentId

		* @param aTrigger

		*/

		void HandlePublisherNotificationL( const TDesC& aContentId, const TDesC8& aTrigger );

	private:

    	/**

    	* Perform the second phase construction 

    	*/		

		void ConstructL();

        /** 

		* Default constructor.

		* @param aCPSInterface

		*/

		CWrtHarvester( MLiwInterface* aCPSInterface );

		/**

    	* 

    	*/

		void UpdatePublishersL();

		/**

		* 

    	* @param aPublisherId

    	* @param aContentId

    	* @param aContentType

    	* @param aResultType

    	* @return TInt

    	*/

		TInt RegisterPublisherL( const TDesC& aPublisherId, const TDesC& aContentId,

		        const TDesC& aContentType, const TDesC8& aResultType );

		/**

    	* 

    	* @param aPublisherId

    	* @param aContentId

    	* @param aContentType

    	*/

		void RemovePublisherL( const TDesC& aPublisherId, const TDesC& aContentId,

		        const TDesC& aContentType );

		/**

		* Starts WRT widget

    	* @param aUid Uid of the widget

    	*/

		void StartWidgetL( TUid aUid );

		/**

    	* 

    	* @param aPublisherId

    	* @param aContentId

    	* @param aContentType

    	*/

		void RequestForNotificationL( const TDesC& aPublisherId, const TDesC& aContentId,

		        const TDesC& aContentType );

		/**

    	* 

    	* @param aInParamList

    	* @return TInt

    	*/

		TInt ExtractItemId( const CLiwGenericParamList& aInParamList );

		/**

		 * 

		 */

		void LaunchWidgetL( TWidgetOperations aOperation, TUid aUid );

	private: // data

       	/**

        * Instance of CPS interface used for update with CPS.

        */

        MLiwInterface* iCPSInterface;

       	/**

       	 * Publish & Subscribe listener

       	 * own

       	 */

        CWrtHarvesterPSNotifier* iWidgetUIListener;

        /**

         * Publish & Subscribe listener

         * own

         */

        CWrtHarvesterPSNotifier* iWidgetRegListener;

        /**

         * Publish & Subscribe listener

         * own

         */

        CWrtHarvesterPSNotifier* iWidgetMMCListener;

		/**

    	* 

    	*/

        RWrtArray< CWrtHarvesterPublisherObserver > iObservers;

		/**

    	* 

    	*/

        WrtHarvesterRegistryAccess iRegistryAccess;

		/**

    	* 

    	*/

        RArray<TUid> iWidgetUids;

        /**

         * 

         */

        RApaLsSession iApaSession;

    };

#endif // C_WRTCONTENTHARVESTER_H