/*

* Copyright (c) 2002-2007 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:  This class is used for playing camera.

*

*/

#ifndef CMMACAMERAPLAYER_H

#define CMMACAMERAPLAYER_H

//  INCLUDES

#include <sensrvdatalistener.h>

#include <sensrvchannel.h>

#include <sensrvorientationsensor.h>

#include <ECamOrientationCustomInterface2.h>

#include <ECamUIOrientationOverrideCustomAPI.h>

#include <ecam.h>

#include "cmmaplayer.h"

#include "mmmaguiplayer.h"

#include "mmmasnapshot.h"

#include "cmmacamerawindow.h"

// CONSTANTS

_LIT(KMMACameraPlayer, "CameraPlayer");

enum TCamActiveCamera

{

  ECamActiveCameraPrimary,

  ECamActiveCameraSecondary,

  ECamActiveCameraNone

};

enum TCamImageOrientation

{

  ECamOrientation0,

  ECamOrientation90,

  ECamOrientation180,

  ECamOrientation270,

  ECamOrientationIgnore,

  ECamOrientationCount

};

//  CLASS DECLARATION

/**

*   This class is used for playing camera.

*

*

*/

NONSHARABLE_CLASS(CMMACameraPlayer): public CMMAPlayer,

        public MMMAGuiPlayer,

        public MMMASnapshot,

        public MCameraObserver2,

        public MSensrvDataListener

{

public: // Construction

    /**

     * Creates new CMMACameraPlayer for the camera at certain index.

     * Index must be smaller CCamera::CamerasAvailable().

     * @param aCameraIndex Index of the camera.

     */

    static CMMACameraPlayer* NewLC(TCamActiveCamera aCameraIndex);

    //   Destructor

    ~CMMACameraPlayer();

protected:

    //   C++ constructor

    CMMACameraPlayer(TCamActiveCamera aCameraIndex);

    void ConstructL(TCamActiveCamera aCameraIndex);

private: // new methods

    TInt64 CurrentTime();

    void ResolveViewFinderSizeL(TSize& aSize);

    void ResolveScreenSizeL(TSize& aSize);

    void ResolveCaptureSizes(const CCamera::TFormat aFormat,

                             const TInt aNumImageSizesSupported,

                             const TSize& aRequestSize,

                             TSize& aSourceSize,

                             TInt& aSourceIndex,

                             TInt& aLargestIndex);

    /**

     * Registers and start listening to sensor channel.

     */

    void UpdateSensorInfoL();

    /**

     * Copies bitmap image from camerabuffer to iSnapshotBitmap

     */

    void HandleBitmapCopyL(MCameraBuffer& aCameraBuffer,

                           CFbsBitmap* aSrcBitmap);

    /**

     * Determines amount of image rotation required for the given sensor

     * orientation input.

     */

    static TCamImageOrientation MapSensorOrientatio2CamOrientation( 

        const TSensrvOrientationData::TSensrvDeviceOrientation& aSensorOrientation, 

        TCamImageOrientation aLastImageOrientation,

        TCamActiveCamera aActiveCameraIndex);

    /**

     * Convert UI orienation setting value of type TCamImageOrientation

     * to MCameraOrientation TOrientation value.

     */

    static MCameraOrientation::TOrientation 

      Map2CameraOrientation(const TCamImageOrientation& aSettingOrientation);

public: // from CMMAPlayer

    void StartL(TBool aPostEvent);

    void StopL(TBool aPostEvent);

    void DeallocateL();

    void RealizeL();

    void PrefetchL();

    void GetDuration(TInt64* aDuration);

    void SetMediaTimeL(TInt64* aTime);

    void GetMediaTime(TInt64* aMediaTime);

    void CloseL();

    const TDesC& Type();

public: // From MCameraObserver2

    void HandleEvent(const TECAMEvent& aEvent);

    void ViewFinderReady(MCameraBuffer& aCameraBuffer,TInt aError);

    void ImageBufferReady(MCameraBuffer& aCameraBuffer,TInt aError);

    void VideoBufferReady(MCameraBuffer& aCameraBuffer,TInt aError);

public: // From MMMAGuiPlayer

    void SetDisplayL(MMMADisplay* aDisplay);

    TSize SourceSize();

    void NotifyWithStringEvent(CMMAPlayerEvent::TEventType aEventType,

                               const TDesC& aStringEventData);

    MMMASnapshot* SnapshoterL();

public: // From MMMASnapshot

    MMMASnapshot::TEncoding TakeSnapshotL(TRequestStatus* aStatus,

                                          const TSize& aSize,

                                          const CMMAImageSettings& aSettings);

    CFbsBitmap* SnapshotBitmap();

    HBufC8* SnapshotEncoded();

private: // From MSensrvDataListener

    void DataReceived(CSensrvChannel& aChannel,

                       TInt aCount, 

                       TInt aDataLost);

    void DataError(CSensrvChannel& aChannel,

                    TSensrvErrorSeverity aError);

    void GetDataListenerInterfaceL(TUid aInterfaceUid,

                                    TAny*& aInterface);

public: // New methods

    TInt CameraHandle();

    /**

     * Disables or enables viewfinder stopping.

     * Needed when using recording.

     *

     * @param aStopViewFinder If true viewfinder will be really stopped.

     */

    void SetViewFinderMode(TBool aStopViewFinder);

private: // Data

    /**

      * Window used to render viewfinder.

      * Owned.

      */

    CMMACameraWindow* iWindow;

    /**

     * Camera instance used for taking snapshots and recording.

     * iWindow uses this to create duplicated camera instance.

     * Owned.

     */

    CCamera* iCamera;

    MMMADisplay* iDisplay;

    // index to be used for size enumeration

    TInt iSourceSizeIndex;

    TInt64 iMediaTime;

    TInt64 iStartTime;

    TRequestStatus* iSnapshotStatus;

    // Owned.

    CFbsBitmap* iSnapshotBitmap;

    HBufC8* iSnapshotEncoded;

    TSize iSize;

    TBool iStopViewFinder;

    // inner class for waiting realize, owned

    class CRealizeWait : public CActiveSchedulerWait

    {

    public:

        TInt iError;

    };

    CRealizeWait* iRealizeWait;

    TCamActiveCamera iActiveCameraIndex;

    TCamImageOrientation  iImageOrientation;

    TCamImageOrientation  iLastImageOrientation;

    // owned

    CSensrvChannel* iAccSensorChannel;

    // not owned

    MCameraOrientation* iCustomInterfaceOrientation;

    // not owned

    MCameraUIOrientationOverride* iCustomInterfaceUIOrientationOverride;

};

#endif // CMMACAMERAPLAYER_H