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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef S60CAMERAFOCUSCONTROL_H
#define S60CAMERAFOCUSCONTROL_H

#include <qcamerafocuscontrol.h>

#include "s60camerasettings.h"

QT_USE_NAMESPACE

class S60CameraService;
class S60ImageCaptureSession;

/*
 * Control for focusing related operations (inc. zooming)
 */
class S60CameraFocusControl : public QCameraFocusControl
{
    Q_OBJECT

public: // Constructors & Destructor

    S60CameraFocusControl(QObject *parent = 0);
    S60CameraFocusControl(S60ImageCaptureSession *session, QObject *parent = 0);
    ~S60CameraFocusControl();

public: // QCameraFocusControl

    // Focus Mode
    QCameraFocus::FocusMode focusMode() const;
    void setFocusMode(QCameraFocus::FocusMode mode);
    bool isFocusModeSupported(QCameraFocus::FocusMode) const;

    // Zoom
    qreal maximumOpticalZoom() const;
    qreal maximumDigitalZoom() const;
    qreal opticalZoom() const;
    qreal digitalZoom() const;

    void zoomTo(qreal optical, qreal digital);

    // Focus Point
    QCameraFocus::FocusPointMode focusPointMode() const;
    void setFocusPointMode(QCameraFocus::FocusPointMode mode);
    bool isFocusPointModeSupported(QCameraFocus::FocusPointMode mode) const;
    QPointF customFocusPoint() const;
    void setCustomFocusPoint(const QPointF &point);

    QCameraFocusZoneList focusZones() const;

/*
Q_SIGNALS: // QCameraFocusControl
    void opticalZoomChanged(qreal opticalZoom);
    void digitalZoomChanged(qreal digitalZoom);
    void focusZonesChanged();
*/

private slots: // Internal Slots

    void resetAdvancedSetting();

private: // Data
    S60ImageCaptureSession  *m_session;
    S60CameraService        *m_service;
    S60CameraSettings       *m_advancedSettings;
    bool                    m_isFocusLocked;
    qreal                   m_opticalZoomValue;
    qreal                   m_digitalZoomValue;
    QCameraFocus::FocusMode m_focusMode;
};

#endif // S60CAMERAFOCUSCONTROL_H