/*

* Copyright (c) 2005-2007 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: 

*     Base class for thumbnail commands set and remove.

*

*/

#ifndef CPBK2THUMBNAILCMDBASE_H

#define CPBK2THUMBNAILCMDBASE_H

//  INCLUDES

#include <e32base.h>    // CBase

#include <MPbk2Command.h>

#include <MVPbkSingleContactOperationObserver.h>

#include <MVPbkContactObserver.h>

#include <MPbk2ContactRelocatorObserver.h>

// FORWARD DECLARATIONS

class CEikMenuPane;

class MPbk2ContactUiControl;

class CVPbkContactManager;

class CPbk2ImageManager;

class MVPbkStoreContact;

class MVPbkFieldType;

class MVPbkContactLink;

class CPbk2ContactRelocator;

// CLASS DECLARATION

/**

 * Thumbnail command event handling class.

 */

NONSHARABLE_CLASS(CPbk2ThumbnailCmdBase) : 

        public CBase,

        public MPbk2Command,

        public MVPbkContactObserver,        

        public MVPbkSingleContactOperationObserver,

        public MPbk2ContactRelocatorObserver

    {

    protected:  // Constructors and destructor

        /**

         * Destructor.

         */

        ~CPbk2ThumbnailCmdBase();

    protected: // Interface

        /**

         * Base constructor.

         */

        void BaseConstructL();

        /**

         * Dismisses process.

         *

         * @param aError    Error code.

         */

        void ProcessDismissed(

                TInt aError );

	public: // From MPbk2Command

        void ExecuteLD();

        void AddObserver( MPbk2CommandObserver& aObserver );

        void ResetUiControl(MPbk2ContactUiControl& aUiControl);

    protected: // Interface

    	/**

    	 * Function will be called after the contact has retrieved

    	 * successfully.

    	 * If process should be end returns EFalse.

    	 * If process will be ended elsewhere (e.g. after some 

    	 * async operation) returns ETrue.

    	 * Default implementation does nothing and returns EFalse.

         *

         * @return EFalse if process should ended right now,

         *         ETrue otherwise.

    	 */

    	virtual TBool ExecuteCommandL()

                { return EFalse; }

		/**

		 * Will be called when the process is about to finish.

		 * Default implementation does nothing if aError == KErrNone,

		 * otherwise informs user about error.

         *

         * @param aError    Error code.

		 */

        virtual void FilterErrors(

                TInt aError );

    private: // From MVPbkContactObserver

    	void ContactOperationCompleted(

                TContactOpResult aResult );

        void ContactOperationFailed(

                TContactOp aOpCode,

                TInt aErrorCode,

                TBool aErrorNotified );

    private: // From MVPbkSingleContactOperationObserver

    	void VPbkSingleContactOperationComplete(

    		    MVPbkContactOperationBase& aOperation, 

    		    MVPbkStoreContact* aContact );

		void VPbkSingleContactOperationFailed(

        	    MVPbkContactOperationBase& aOperation,

                TInt aError );

    private: // From MPbk2ContactRelocatorObserver

        void ContactRelocatedL(

                MVPbkStoreContact* aRelocatedContact );

        void ContactRelocationFailed(

                TInt aReason,

                MVPbkStoreContact* aContact );

        void ContactsRelocationFailed(

                TInt aReason,

                CVPbkContactLinkArray* aContacts );

        void RelocationProcessComplete();

    protected: // Implementation

        CPbk2ThumbnailCmdBase(

                MPbk2ContactUiControl& aUiControl );

        void ReadFieldTypeL();

        TBool RelocateContactL();

    protected: // Data

        /// Own: Retrieve operation

        MVPbkContactOperationBase* iRetrieveOperation;

        /// Own: Selected contacts from UI control

        MVPbkContactLink* iContactLink;

        /// Own: Thumbnail manager

        CPbk2ImageManager* iThumbnailManager;

    	/// Ref: UI control

        MPbk2ContactUiControl* iUiControl;

        /// Ref: Command observer

        MPbk2CommandObserver* iCommandObserver;

        /// Ref: Virtual Phonebook contact manager

        CVPbkContactManager* iContactManager;

        /// Own: Store contact

        MVPbkStoreContact* iStoreContact;

        /// Ref: Thumbnail field type

        const MVPbkFieldType* iFieldType;

        /// Own: Contact relocator

        CPbk2ContactRelocator* iContactRelocator;

        /// Own: Focused field index

        TInt iFocusedFieldIndex;

    };

#endif // CPBK2THUMBNAILCMDBASE_H

// End of File