/*

* Copyright (c) 2009 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:

*

*/

#ifndef CXESTILLCAPTURECONTROLSYMBIAN_H

#define CXESTILLCAPTURECONTROLSYMBIAN_H

#include <QList>

#include <ecam.h>

#include <QPixmap>

#include <QVariant>

#include "cxestillcapturecontrol.h"

#include "cxeautofocuscontrol.h"

#include "cxesensoreventhandler.h"

#include "cxestatemachine.h"

#include "cxenamespace.h"

#include "cxeerror.h"

class CxeSoundPlayerSymbian;

class CxeFilenameGenerator;

class CxeFileSaveThread;

class CxeCameraDevice;

class MCameraBuffer;

class CxeStillImageSymbian;

class CxeImageDataQueue;

class CxeImageDataQueueSymbian;

class CxeViewfinderControl;

class CxeSensorEventHandler;

class CxeCameraDeviceControl;

class CxeAutoFocusControl;

class CxeSettings;

class CxeQualityPresets;

/**

 * Class CxeStillCaptureControlSymbian.

 * Inherits/implements CxeStillCaptureControl.

 */

class CxeStillCaptureControlSymbian : public CxeStillCaptureControl,

                                      public CxeStateMachine

{

    Q_OBJECT

public:  // constructors

    CxeStillCaptureControlSymbian(CxeCameraDevice &cameraDevice,

                                  CxeViewfinderControl &viewfinderControl,

                                  CxeCameraDeviceControl &cameraDeviceControl,

                                  CxeFilenameGenerator &nameGenerator,

                                  CxeSensorEventHandler &sensorEventHandler,

                                  CxeAutoFocusControl &autoFocusControl,

                                  CxeSettings &settings,

                                  CxeQualityPresets &qualityPresets,

    virtual ~CxeStillCaptureControlSymbian();

public:  // from CxeStillCaptureControl

    void capture();

    State state() const;

    int imageCount() const;

    void reset();

    void cancelAll();

    void setMode( CaptureMode mode );

    CaptureMode mode() const;

    CxeStillImage &operator[]( int index );

    CxeImageDataQueue &imageDataQueue();

    QList<CxeImageDetails> supportedImageQualities();

    int imagesLeft();

public slots:

    void init();

    void deinit();

signals:

    void imagePrepareComplete(CxeError::Id error);

    void prepareZoomForStill(int ecamStillResolutionIndex);

protected: // from CxeStateMachine

    void handleStateChanged( int newStateId, CxeError::Id error );

protected slots:

    // notifications when camera reference is changed

    void prepareForCameraDelete();

    void handleCameraAllocated(CxeError::Id error);

    // notification for when camera is released

    void prepareForRelease();

    // ECam events

    void handleCameraEvent( int eventUid, int error );

    void handleImageData( MCameraBuffer *buffer, int error );

    // settings call back

    void handleSettingValueChanged(const QString& settingId,QVariant newValue);

    // Autofocus events

    void handleAutofocusStateChanged(CxeAutoFocusControl::State newState, CxeError::Id error);

    // sensor events

    void handleSensorEvent(CxeSensorEventHandler::SensorType type,QVariant data);

private: // helper functions

    CxeError::Id prepareFilename(CxeStillImageSymbian *stillImage);

    void setOrientation(QVariant sensorData);

    CxeStillImageSymbian* getImageForIndex(int index);

    CCamera::TFormat supportedStillFormat(Cxe::CameraIndex cameraIndex);

    int prepareStillSnapshot();

    CxeError::Id getImageQualityDetails(CxeImageDetails &imageInfo);

    TSize getSnapshotSize() const;

    void handleSnapshotEvent(CxeError::Id error);

    QPixmap extractSnapshot();

    void initializeStates();

    void prepare();

    void updateRemainingImagesCounter();

private: // private data

    CxeImageDataQueueSymbian *mImageDataQueue;  // own

    CxeCameraDevice &mCameraDevice;

    CxeViewfinderControl &mViewfinderControl;

    CxeCameraDeviceControl &mCameraDeviceControl;

    CxeFilenameGenerator &mFilenameGenerator; //! @todo could be shared with video capture control?

    CxeSensorEventHandler &mSensorEventHandler;

    CxeAutoFocusControl &mAutoFocusControl;

    CxeSettings &mSettings;

    CxeQualityPresets &mQualityPresets;

    CxeFileSaveThread &mFileSaveThread;

    CxeSoundPlayerSymbian *mCaptureSoundPlayer;

    CxeSoundPlayerSymbian *mAutoFocusSoundPlayer;

    CaptureMode mMode;

    CxeAutoFocusControl::State mAfState;

    QList<CxeStillImageSymbian*> mImages;

    int mNextSnapshotIndex;

    int mNextImageDataIndex;

    //still resolutions supported by ICM

    QList<CxeImageDetails> mIcmSupportedImageResolutions;

    //still resolutions supported by ecam

    QList<TSize> mECamSupportedImageResolutions;

    //current image quality details in use

    CxeImageDetails mCurrentImageDetails;

private: // Helper class

    class CxeCameraBufferCleanup

    {

    public:

        CxeCameraBufferCleanup(MCameraBuffer* buffer) : mBuffer(buffer) {}

        ~CxeCameraBufferCleanup() { if (mBuffer) { mBuffer->Release(); } }

    private:

        Q_DISABLE_COPY(CxeCameraBufferCleanup)

        MCameraBuffer* mBuffer;

    };

};

#endif // CXESTILLCAPTURECONTROLSYMBIAN_H