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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.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore/qstring.h>
#include "s60camerafocuscontrol.h"
#include "s60cameraservice.h"
#include "s60imagecapturesession.h"
#include "s60cameraconstants.h"
S60CameraFocusControl::S60CameraFocusControl(QObject *parent) :
QCameraFocusControl(parent)
{
}
S60CameraFocusControl::S60CameraFocusControl(S60ImageCaptureSession *session, QObject *parent) :
QCameraFocusControl(parent),
m_session(0),
m_service(0),
m_advancedSettings(0),
m_isFocusLocked(false),
m_opticalZoomValue(KDefaultOpticalZoom),
m_digitalZoomValue(KDefaultDigitalZoom),
m_focusMode(KDefaultFocusMode)
{
m_session = session;
connect(m_session, SIGNAL(advancedSettingChanged()), this, SLOT(resetAdvancedSetting()));
m_advancedSettings = m_session->advancedSettings();
TRAPD(err, m_session->doSetZoomFactorL(m_opticalZoomValue, m_digitalZoomValue));
if (err)
m_session->setError(KErrNotSupported, tr("Setting default zoom factors failed."));
}
S60CameraFocusControl::~S60CameraFocusControl()
{
}
QCameraFocus::FocusMode S60CameraFocusControl::focusMode() const
{
return m_focusMode;
}
void S60CameraFocusControl::setFocusMode(QCameraFocus::FocusMode mode)
{
if (isFocusModeSupported(mode)) {
// FocusMode and FocusRange are set. Focusing is triggered by setting
// the corresponding FocusType active by calling searchAndLock in LocksControl.
m_focusMode = mode;
if (m_advancedSettings)
m_advancedSettings->setFocusMode(m_focusMode);
else
m_session->setError(KErrGeneral, tr("Unable to set focus mode before camera is started."));
} else {
m_session->setError(KErrNotSupported, tr("Requested focus mode is not supported."));
}
}
bool S60CameraFocusControl::isFocusModeSupported(QCameraFocus::FocusMode mode) const
{
if (m_advancedSettings) {
return m_advancedSettings->supportedFocusModes() & mode;
} else {
if (mode == QCameraFocus::AutoFocus)
return m_session->isFocusSupported();
}
return false;
}
qreal S60CameraFocusControl::maximumOpticalZoom() const
{
return m_session->maximumZoom();
}
qreal S60CameraFocusControl::maximumDigitalZoom() const
{
return m_session->maxDigitalZoom();
}
qreal S60CameraFocusControl::opticalZoom() const
{
return m_session->opticalZoomFactor();
}
qreal S60CameraFocusControl::digitalZoom() const
{
return m_session->digitalZoomFactor();
}
void S60CameraFocusControl::zoomTo(qreal optical, qreal digital)
{
TRAPD(err, m_session->doSetZoomFactorL(optical, digital));
if (err)
m_session->setError(KErrNotSupported, tr("Requested zoom factor is not supported."));
// Query new values
if (m_opticalZoomValue != m_session->opticalZoomFactor()) {
m_opticalZoomValue = m_session->opticalZoomFactor();
emit opticalZoomChanged(m_opticalZoomValue);
}
if (m_digitalZoomValue != m_session->digitalZoomFactor()) {
m_digitalZoomValue = m_session->digitalZoomFactor();
emit digitalZoomChanged(m_digitalZoomValue);
}
}
void S60CameraFocusControl::resetAdvancedSetting()
{
m_advancedSettings = m_session->advancedSettings();
}
QCameraFocus::FocusPointMode S60CameraFocusControl::focusPointMode() const
{
// Not supported in Symbian
return QCameraFocus::FocusPointAuto;
}
void S60CameraFocusControl::setFocusPointMode(QCameraFocus::FocusPointMode mode)
{
if (mode != QCameraFocus::FocusPointAuto)
m_session->setError(KErrNotSupported, tr("Requested focus point mode is not supported."));
}
bool S60CameraFocusControl::isFocusPointModeSupported(QCameraFocus::FocusPointMode mode) const
{
// Not supported in Symbian
if (mode == QCameraFocus::FocusPointAuto)
return true;
else
return false;
}
QPointF S60CameraFocusControl::customFocusPoint() const
{
// Not supported in Symbian, return image center
return QPointF(0.5, 0.5);
}
void S60CameraFocusControl::setCustomFocusPoint(const QPointF &point)
{
// Not supported in Symbian
Q_UNUSED(point);
m_session->setError(KErrNotSupported, tr("Setting custom focus point is not supported."));
}
QCameraFocusZoneList S60CameraFocusControl::focusZones() const
{
// Not supported in Symbian
return QCameraFocusZoneList(); // Return empty list
}
// End of file
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