/*

* Copyright (c) 2002 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: 

*     Class which loads Phonebook's or empty icon into context pane.

*

*/

#ifndef __CPbkSwapContextPaneIcon_H__

#define __CPbkSwapContextPaneIcon_H__

//  INCLUDES

#include <e32base.h>

//  FORWARD DECLARATIONS

class CEikonEnv;

class CEikImage;

class CAknContextPane;

class CFbsBitmap;

// CLASS DECLARATION

/**

 * Class which loads Phonebook's or empty icon into context pane.

 * Class swap those icons, but don't restore previous icon.

 * Class start swappipng to phonebook's icon 

 *

*/

NONSHARABLE_CLASS(CPbkSwapContextPaneIcon) :

        public CBase

    {

    public:

        enum TSwapState

            {

            EEmptyIcon,

            EPhonebookIcon    

            };

    public:  // Constructors and destructor

        /**

         * Creates an instance of this class and puts Phonebook's icon into

         * current application's context pane.

         *

         * @param aEikonEnv EIKON environment where to fetch the status pane.

         */

        static CPbkSwapContextPaneIcon* NewL(CEikonEnv& aEikonEnv);

        /**

         * Destructor. Restores the previous icon into context pane.

         */

        ~CPbkSwapContextPaneIcon();

    private:

        /**

        * By default Symbian 2nd phase constructor is private.

        * @param aEikonEnv

        */

        void ConstructL(CEikonEnv& aEikonEnv);

    public: //implementation        

        /**

         * Show loaded or previous icon

         * @param aState TSwapState

         */         

        void ShowContextPaneIcon(const TSwapState aState);

    private: // Implementation

        CPbkSwapContextPaneIcon();

        /**

         * Set phonebook's context pane icon

         */

        void SetPhonebookContextPaneIconL();

        /**

         * Load empty context pane icon

         */

        void LoadEmptyContextPaneIconL();

    private:  // data

        //Own: Own

        CEikImage* iContextPaneIcon;

        /// Own: TSwapState

        TSwapState iState;

        /// Ref: current application context pane

        CAknContextPane* iContextPane;

    };

#endif // __CPbkSwapContextPaneIcon_H__

// End of File