/*

* 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:  CCamSnapshotProvider class definition

*

*/

#ifndef CAM_SNAPSHOTPROVIDER_H

#define CAM_SNAPSHOTPROVIDER_H

#include "camcameracontrollerflags.hrh" // build flags, keep first

#include <ecam/mcamerasnapshot.h>

class CCamera;

class MCameraObserver2;

class MCamCameraObservable;

class CPeriodic;

class CCamSnapshot;

#ifdef CAMERAAPP_CAPI_V2_SS    

  #define CAMERASNAPSHOT CCamera::CCameraSnapshot

#else

  // To be able to link without additional build time variation 

  // in source files.

  #define CAMERASNAPSHOT CCamSnapshot

#endif

// ===========================================================================

// 

class CCamSnapshotProvider :  public CBase,

                              public MCameraSnapshot

  {

  // -------------------------------------------------------

  // Constructors and destructor

  public:

    static CCamSnapshotProvider* NewL( CCamera&              aCamera,

                                       MCameraObserver2&     aObserver,

                                       MCamCameraObservable& aObservable );

    virtual ~CCamSnapshotProvider();

  private:

    /**

    * 2nd phase constructor

    */

    void ConstructL( CCamera&              aCamera, 

                     MCameraObserver2&     aObserver,

                     MCamCameraObservable& aObservable );

    /**

    * 1st phase constructor

    */

    CCamSnapshotProvider();

  // -------------------------------------------------------

  // From MCameraSnapshot

  //

  // All inlines as just relayed to the currently used

  // snapshot producer.

  public:

  	inline virtual TUint32        SupportedFormats();

    inline virtual void           PrepareSnapshotL( CCamera::TFormat aFormat, const TPoint& aPosition, const TSize& aSize, const TRgb& aBgColor, TBool aMaintainAspectRatio );

  	inline virtual void           PrepareSnapshotL( CCamera::TFormat aFormat, const TSize& aSize, TBool aMaintainAspectRatio );

  	inline virtual void           SetBgColorL( const TRgb& aBgColor);

  	inline virtual void           SetPositionL( const TPoint& aPosition);

    inline virtual TBool          IsSnapshotActive() const;

    inline virtual void           StartSnapshot();

  	inline virtual void           StopSnapshot();

  	inline virtual MCameraBuffer& SnapshotDataL( RArray<TInt>& aFrameIndexOrder );

  	inline virtual void           Release();

  // =======================================================

  // Data  

  private:

    CAMERASNAPSHOT* iSs1;

    CCamSnapshot*   iSs2;

  // =======================================================

  };

#include "camsnapshotprovider.inl"

// ===========================================================================

#endif // CAM_SNAPSHOTPROVIDER_H

// end of file