/*

* 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:  Draws availability indication to screen using direct screen

*                access.

*

*/

#ifndef C_MUSINDICATORDSA_H

#define C_MUSINDICATORDSA_H

#include "musunittesting.h"

#include <e32base.h>

#include <w32std.h>

#include <coecntrl.h>

const TInt KMusIndicatorDelay = 400000;

const TInt KMusRedrawDelay = 25000;

/**

 *  CMusIndicatorDsa provides multimedia sharing ready indicator "box" 

 *  indcating videosharing availability to user.

 *

 *  @code

 *   // Activates indication

 *  CMusIndicatorDsa* dsa = CMusIndicatorDsa::NewL();

 *

 *  // Deactivates indication

 *  delete dsa;

 *

 *  @endcode

 *

 *  @lib musindicator.lib

 */

class CMusIndicatorDsa : public CCoeControl

    {

public:

    MUS_UNITTEST( UT_CMusIndicatorDsa )

    static CMusIndicatorDsa* NewL();

    /**

     * Destructor.

     */

    ~CMusIndicatorDsa();

public: //from CCoeControl

    /**

     * Draws video sharing ready box and text

     */

    void Draw( const TRect& aRect ) const;

    /**

     * Hanldes resource change i.e layout change

     * 

     */

    void HandleResourceChange( TInt aType);

private:

    /**

     * Initializes

     */

     void Initialize();

    /**

     * Loads image.

     */

    void LoadImageL();

    /**

     * Loads resource string.

     */

    void LoadResourceStringL();

private:

    CMusIndicatorDsa();

    void ConstructL();

    const CFont& Font() const;

    void TryActivateL();

    /**

    * Callback function to periodic timer.

    *

    * @param instanse of this.

    * @return TInt value indicating if function completed succesfully

    */

   static TInt TryActivate( TAny* aThis );

    /**

     * Callback function to periodic timer.

     *

     * @param instanse of this.

     * @return TInt value indicating if function completed succesfully

     */

    static TInt DoHandleResourceChange( TAny* aThis );

    void StartPeriodicTimer( const TCallBack& aCallBack) const;

    /**

     * Stops peridoic timer.

     */

    void StopPeriodicTimer();

private: // data

    /**

     * Periodic timer.

     * Own.

     */

    CPeriodic* iPeriodic;

    /**

     * Used screen rectangle.

     */

    TRect iScreenRect;

    /**

     * Used client area size

     */

    TSize iScreenSize;

    /**

     * Calculated position of left-top point of text.

     */

    TPoint iTextpos;

    /**

     * Color of DSA boxes border.

     */

    TRgb iBorderColor;

    /**

     * DSA boxes background color.

     */

    TRgb iBorderBgColor;

    /**

     * Color of used font.

     */

    TRgb iFontColor;

    /**

     * Displayed text.

     * Own.

     */

    HBufC* iText;

    CFbsBitmap* iIcon;

    CFbsBitmap* iIconMask;

    TSize iImageSize;

    TPoint iImagepos;

    TCallBack iActivateCallBack;

    TCallBack iRedrawCallBack;

    };

#endif // C_MUSINDICATORDSA_H