/*

* 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 "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:  Active Object operation for serving server logic requests

*				 for modification or deletion of triggers.

*

*/

#ifndef C_LBTTRIGGERMODIFYOOPERATION_H

#define C_LBTTRIGGERMODIFYOOPERATION_H

// INCLUDE FILES

#include <e32base.h>

#include <lbtcommon.h>

#include "lbtaooperationbase.h"

// FORWARD DECLARATIONS

class MLbtAOObserver;

class CLbtContainer;

class CLbtContainerTriggerEntry;

class CLbtSettingsManager;

/**

 * Class declaration of active object operation

 * to service client requests. This object services

 * requests which require listing of triggers.

 * The IPC messages are provided to

 * this class to service the request asynchronously

 *

 * @since S60 v4.0

 */

class CLbtTriggerModifyAOOperation : public CLbtAOOperationBase

	{

	public:

		/**

	     * Instantiates a new object of 

	     * CLbtTriggerModifyAOOperation

	     *

	     * @param[in] aObserver reference to the active

	     * object observer

	     * @param[in] aMessage the IPC request which the active 

	     * object has to service. The active object takes responsibility

	     * of completing this IPC request

	     * @param aContainer reference to the container which holds

	     * the reference to the logic processor

	     */

	    static CLbtTriggerModifyAOOperation* NewL( MLbtAOObserver& aObserver,

				    							   const RMessage2& aMessage,

				    							   CLbtContainer& aContainer,

				    							   TInt aClientType,

				    							   CLbtSettingsManager& aSettingsManager );

	    /**

	     * Destructor

	     *

	     */

	    ~CLbtTriggerModifyAOOperation();

	private:

		/**

	     * 2nd phase constuctor for instantiating member variables

	     *

	     */

		void ConstructL();

		/**

	     * Default C++ Constructor

	     *

	     * @param[in] aObserver reference to the active object observer

	     * @param[in] aMessage the IPC request which the active 

	     * object has to service. The active object takes responsibility

	     * of completing this IPC request

	     * @param aContainer reference to the container which holds

	     * the reference to the logic processor

	     */

	    CLbtTriggerModifyAOOperation( MLbtAOObserver& aObserver, 

				    				  const RMessage2& aMessage,

				    				  CLbtContainer& aContainer,

				    				  TInt aClientType ,

				    				  CLbtSettingsManager& aSettingsManager );

	public: // From CLbtAOOperationBase

	    /**

	     * Starts the AO operation of serving the request	     

	     *

	     */ 

		void StartOperationL();

		/**

	     * Cancels Modify Operation.	     

	     *

	     */

	     void CancelModifyOperation();

		/**

		 * Returns the trigger id of the trigger which is being modified

		 *

		 * @return the trigger id of the trigger being modified. If the 

		 * operation object modifies multiple triggers then KLbtNullTriggerId

		 * is returned

		 */

		TLbtTriggerId GetTriggerId();

    public:

        RPointerArray<CLbtContainerTriggerEntry>& GetUpdatedTriggerList();

    private:

        void ListTriggersL();

        void UpdateTriggersL();

        CLbtTriggerEntry* CreateTriggerEntryLC( TInt aType );

        CLbtTriggerFilterBase* CreateTriggerFilterLC( TInt aType );

        CLbtTriggerFilterBase* InternalizeFilterFromIpcLC( 

            const RMessage2& aMessage, 

            const TInt aIpcSlot );

        CLbtTriggerEntry* InternalizeTriggerFromIpcLC( 

            const RMessage2& aMessage, 

            const TInt aIpcSlot );

        void HandleUpdateTriggerStateOpL();

        void HandleModifyTriggerStateOpL();

        void HandleDeleteTriggerOpL();

        TBool CheckEnabledTriggerCap();

    protected: // From CActive

    	void RunL();

    	void DoCancel();

    private: // Data

        enum TLbtModifyReqProcessingState

            {

            ENone = 0,

            EListTriggers,

            EUpdateTriggers

            };

	private: // Data

		// The id of the trigger being modified (valid only if one trigger is being modified)

		TLbtTriggerId iTriggerId;

		// Container trigger entry object

		CLbtContainerTriggerEntry* iContainerEntry;

		// The state of the request processing

		TLbtModifyReqProcessingState iState;

		// The pointer array which will be populated by the container

		// based on the search

		RPointerArray<CLbtContainerTriggerEntry> iUpdatedTriggerList;

		// Settings manager

		CLbtSettingsManager& iSettingsManager;

		// Fire on updation flag

		TLbtFireOnUpdate iFireOnUpdate;

	};

#endif // C_LBTTRIGGERMODIFYOOPERATION_H