/*

* 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 CXEVIDEOCAPTURECONTROL_H_

#define CXEVIDEOCAPTURECONTROL_H_

#include <QObject>

#include <QMetaType>

#include "cxeerror.h"

#include "cxequalitydetails.h"

class QPixmap;

class CxeVideoCaptureControl : public QObject

{

    Q_OBJECT

public:

    // State Machine

    enum State {

        //! Not Initialized

        Idle                = 0x01,

        //! Video Recorder Initialized, but not ready for recording

        Initialized         = 0x02,

        //! Preparing for recording

        Preparing           = 0x04,

        //! Ready to record

        Ready               = 0x08,

        //! Recording

        Recording           = 0x10,

        // Paused

        Paused              = 0x20,

        // Stopping and finalizing output file

        Stopping            = 0x40,

        // Playing capture sound before recording

        PlayingStartSound   = 0x80

    };

    virtual State state() const = 0;

    virtual void record() = 0;

    virtual void pause() = 0;

    virtual void stop() = 0;

    virtual void remainingTime(int &time) = 0;

    virtual bool elapsedTime(int &time) = 0;

    /**

     * Releases the current video snapshot and resets the file name.

     */

    virtual void reset() = 0;

    /**

     * Get the filename for the current/previous video clip.

     */

    virtual QString filename() const = 0;

    /**

     * Get the video snapshot image.

     *

     * @return Snapshot pixmap. May be null pixmap if no snapshot is available.

     */

    virtual QPixmap snapshot() const = 0;

    /*

    * Returns supported list of video qualities, sorted in descending order

    * i.e. the first element in the list has the highest video resolution first and so on

    */

    virtual QList<CxeVideoDetails> supportedVideoQualities() = 0;

public slots:

    virtual void init() = 0;

    virtual void deinit() = 0;

signals:

    void videoComposed(CxeError::Id error, const QString& filename);

    void stateChanged(CxeVideoCaptureControl::State newState, CxeError::Id error);

    void snapshotReady(CxeError::Id error, const QPixmap& snapshot, const QString& filename);

    void remainingTimeChanged();

protected:

    CxeVideoCaptureControl() {}

private:

    Q_DISABLE_COPY( CxeVideoCaptureControl )

};

Q_DECLARE_METATYPE(CxeVideoCaptureControl::State)

#endif /* CXEVIDEOCAPTURECONTROL_H_ */