/*

* 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:  Folder navigation depth decorator for navipane

*

*/

#ifndef IMUMNAVIPANEOLDERINDICATOR_H

#define IMUMNAVIPANEOLDERINDICATOR_H

// INCLUDES

#include <coecntrl.h>

#include <AknUtils.h>

//#include <MSVAPI.H>

// CONSTANTS

const TInt KImumNaviPaneMaxDepth = 5;

// FORWARD DECLARATIONS

class CFbsBitmap;

// CLASS DECLARATION

/**

*  This class implements a navipane decorator for displaying folder navigation

*  depth indicator

*

*/

NONSHARABLE_CLASS( CImumNaviPaneFolderIndicator ) : public CCoeControl

    {

    public: // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CImumNaviPaneFolderIndicator* NewL(

            TBool aPhoneMemory,

            const TInt aDepth );

        /**

        * Two-phased constructor.

        */

        static CImumNaviPaneFolderIndicator* NewLC(

            TBool aPhoneMemory,

            const TInt aDepth );

        /**

         *  Destructor.

         */

        virtual ~CImumNaviPaneFolderIndicator();

    public:

        /**

        * Specifies how many subfolder icons are displayed.

        * Depth range is 0..n ( 0 = root, 1 = root+subfolder, etc. )

        * Depth over 4 is displayed just as tree dots at the end of navipane.

        * @param aDepth set current depth

        */

        void SetFolderDepth( const TInt aDepth );

        /**

        * Changes the active root

        * @param aRoot for the root ( ETrue == phone memory, EFalse == memory card )

        */

        void ChangeRootL( TBool aPhoneMemory );

        /**

        * From CCoeControl Receives notification on resource changes

        * @param aType type of the resource change

        */

        void HandleResourceChange( TInt aType );

    protected: // Functions from base classes

        /**

        * From CCoeControl Handles the size change events.

        */

        void SizeChanged();

        /**

        * From CCoeControl Draws a control.

        * @param aRect The region of the control to be redrawn.

        */

        void Draw( const TRect& aRect ) const;

    private:

        /**

        * C++ default constructor.

        */

        CImumNaviPaneFolderIndicator(

            TBool aPhoneMemory,

            const TInt aDepth );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

        /**

        * Load folder bitmap

        */

        void LoadFolderBitmapL();

    public:

        /**

        * Notifies CCoeControl to redraw the pane

        */

        void ReportChange();

    private: // Data

        CFbsBitmap* iFolderBitmap;

        CFbsBitmap* iFolderMask;

        TFileName           iFilename;

        HBufC* iSeparator;

        HBufC* iEndChar;

        TInt                iMaxDepth;

        CFbsBitmap* iRootBitmap;

        CFbsBitmap* iRootMask;

        TBool               iPhoneMemory; // ETrue if msg store on phone memory

        TFixedArray<TAknLayoutRect, KImumNaviPaneMaxDepth> iBitmapLayout;

        TFixedArray<TAknLayoutText, KImumNaviPaneMaxDepth + 1> iTextLayout;

        TInt iDepth;

    };

#endif // IMUMNAVIPANEOLDERINDICATOR_H

// End of File