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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, 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, Digia gives you certain additional
** rights.  These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef CAMERABINFOCUSCONTROL_H
#define CAMERABINFOCUSCONTROL_H

#include <qcamera.h>
#include <qcamerafocuscontrol.h>

#include <gst/gst.h>
#include <glib.h>

QT_BEGIN_NAMESPACE

class CameraBinSession;

class CameraBinFocus  : public QCameraFocusControl
{
    Q_OBJECT

public:
    CameraBinFocus(CameraBinSession *session);
    virtual ~CameraBinFocus();

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

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

    void zoomTo(qreal optical, qreal digital) ;

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

    QCameraFocusZoneList focusZones() const;

    void handleFocusMessage(GstMessage*);
    QCamera::LockStatus focusStatus() const { return m_focusStatus; }

Q_SIGNALS:
    void _q_focusStatusChanged(QCamera::LockStatus status, QCamera::LockChangeReason reason);

public Q_SLOTS:
    void _q_startFocusing();
    void _q_stopFocusing();

private Q_SLOTS:
    void _q_setFocusStatus(QCamera::LockStatus status, QCamera::LockChangeReason reason);
    void _q_handleCameraStateChange(QCamera::State state);

private:
    CameraBinSession *m_session;
    QCameraFocus::FocusMode m_focusMode;
    QCamera::LockStatus m_focusStatus;
    QCameraFocusZone::FocusZoneStatus m_focusZoneStatus;
};

QT_END_NAMESPACE

#endif // CAMERABINFOCUSCONTROL_H