/*

* Copyright (c) 2010 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 CXEVIDEOCAPTURECONTROLDESKTOP_H_

#define CXEVIDEOCAPTURECONTROLDESKTOP_H_

#include <QTime>

#include <QPixmap>

#include <QTimer>

#include "cxesettings.h"

#include "cxevideocapturecontrol.h"

#include "cxestatemachine.h"

#include "cxenamespace.h"

// Custom command for setting a new filename without closing & reopening the controller

enum TCamCControllerCustomCommands

    {

    ECamCControllerCCNewFilename = 0,

    ECamCControllerCCVideoStopAsync

    };

// forward declarations

class CxeCameraDeviceDesktop;

class CxeQualityPresets;

class CxeFilenameGenerator;

class CxeViewfinderControl;

class CxeCameraDeviceControl;

class CxeVideoCaptureControlDesktop : public CxeVideoCaptureControl

{

    Q_OBJECT

public:  // constructors

    CxeVideoCaptureControlDesktop( CxeCameraDeviceDesktop &cameraDevice,

                                   CxeViewfinderControl &viewfinderControl,

                                   CxeCameraDeviceControl &cameraDeviceControl,

                                   CxeFilenameGenerator &nameGenerator,

                                   CxeQualityPresets &qualityPresets);

    virtual ~CxeVideoCaptureControlDesktop();

public:  // functions from CxeVideoCaptureControl

    CxeVideoCaptureControl::State state() const;

    void record();

    void pause();

    void stop();

    void remainingTime(int &time);

    bool elapsedTime(int &time);

    void reset();

    QString filename() const;

    QPixmap snapshot() const;

    QList<CxeVideoDetails> supportedVideoQualities();

public:  // public member functions, not in client API

    void handleSnapshotEvent(CxeError::Id error);

signals:

    void videoPrepareComplete(CxeError::Id error);

    void prepareZoomForVideo();

public slots:

    //! Notification for when camera device is ready and we're entering video mode

    void init();

    //! Notification for when we're exiting video mode

    void deinit();

    //! Notification that videocapture sound has been played

    void handleSoundPlayed();

protected slots:

    // notifications when ECam reference is changed

    void prepareForCameraDelete();

    void handleCameraAllocated(CxeError::Id error);

    void prepareForRelease();

    // ECam events

    void handleCameraEvent(int eventUid, int error);

    // settings call back

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

    void handleSceneChanged(CxeScene &scene);

private: // helper methods

    void releaseResources();

    void initializeStates();

    int prepareVideoSnapshot();

    void initVideoRecorder();

    void open();

    void prepare();

    void createVideoRecorder();

    void setupElapseTimer();

    void setState(CxeVideoCaptureControl::State stateId, CxeError::Id error = CxeError::None);

private slots:

    void handleElapseTimeout();

private: // private data

    CxeCameraDeviceDesktop &mCameraDevice;

    CxeCameraDeviceControl &mCameraDeviceControl;

    CxeViewfinderControl &mViewfinderControl;

    CxeFilenameGenerator &mFilenameGenerator;

    CxeQualityPresets &mQualityPresets;

    //! Snapshot image.

    QPixmap mSnapshot;

    //! New file name generated for the video prepare.

    QString mNewFileName;

    //! Current video file name

    QString mCurrentFilename;

    CxeVideoCaptureControl::State mState;

    //current video quality details in use

    CxeVideoDetails mCurrentVideoDetails;

    //timer for simulating elapsing time

    QTimer mRecordElapseTimer;

    //elapsed recording time in seconds

    int mElapsedTime;

};

#endif /* CXEVIDEOCAPTURECONTROLDESKTOP_H_ */