/*

* Copyright (c) 2004, 2005 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:  Navi pane control for Video Telephone application.

*

*/

#ifndef CVTUINAVIPANECONTROL_H

#define CVTUINAVIPANECONTROL_H

//  INCLUDES

#include    <coecntrl.h>

// CONSTANTS

// Maximum length of call duration buffer.

const TInt KVtUiCallDurationBufferLength = 16;

// FORWARD DECLARATIONS

class CVtUiNaviPane;

// CLASS DECLARATION

/**

*  Navi pane control for Video Telephone application.

*

*  @since Series 60 2.6

*/

class CVtUiNaviPaneControl

    : public CCoeControl

    {

    public: // Constructors and destructor

        /**

        * C++ constructor.

        * @param aNaviPane eference to navipane.

        */

        CVtUiNaviPaneControl( CVtUiNaviPane& aNaviPane ); 

        /**

        * Symbian constructor.

        */

        void ConstructL();

        /**

        * C++ destructor.

        */

        ~CVtUiNaviPaneControl();

    public: // New functions

        /**

        * Sets call duration.

        * @param aDuration call duration.

        * @param aEnabled ETrue if enabled.

        */

        void SetCallDuration( 

            const TTimeIntervalSeconds& aDuration,

            const TBool aEnabled );

        /**

        * Updates screen to reflect changes.

        */

        void CommitL();

    protected: // Functions from base classes

        /**

        * From CCoeControl, draws the control.

        * @param aRect area to be drawn.

        */

        virtual void Draw( const TRect& aRect ) const;

        /**

        * From CCoeControl, handles size changes.

        */

        virtual void SizeChanged();

        /**

        * From CCoeControl, handles position changes.

        */

        virtual void PositionChanged();

    private:

        /**

        * Gets call duration text.

        * @return reference to text.

        */

        const TDesC& GetCallDurationText() const;

        /**

        * Appends character to the buffer.

        * @param aBuffer buffer.

        * @param aChar character.

        */

        static void AppendChar( 

            TDes& aBuffer,

            const TChar& aChar );

        /**

        * Appends a number to the buffer.

        * @param aBuffer buffer.

        * @param aNumber number, 0 .. 99.

        */

        static void AppendNum(

            TDes& aBuffer,

            const TInt aNumber );

    private:

        // Call duration layout.

        TAknLayoutText iCallDurationLayout;

        // ETrue if call duration is enabled.

        TBool iCallDurationEnabled;

        // Duration in seconds.

        TTimeIntervalSeconds iCallDuration;

        // Buffer for call duration.

        mutable TBuf< KVtUiCallDurationBufferLength > iCallDurationBuffer;

        // Current speaker, ETrue if loudspeaker, EFalse if handset.

        TBool iLoudspeaker;

        // Reference to navipane.

        CVtUiNaviPane& iNaviPane;

    };

#endif      // CVTUINAVIPANECONTROL_H

// End of File