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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.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore/qstring.h>
#include <qcamerafocus.h> // FocusMode
#include "s60cameralockscontrol.h"
#include "s60cameraservice.h"
#include "s60imagecapturesession.h"
#include "s60camerafocuscontrol.h"
#include "s60imagecapturesettings.h"
S60CameraLocksControl::S60CameraLocksControl(QObject *parent) :
QCameraLocksControl(parent)
{
}
S60CameraLocksControl::S60CameraLocksControl(S60CameraService *service,
S60ImageCaptureSession *session,
QObject *parent) :
QCameraLocksControl(parent),
m_session(0),
m_service(0),
m_focusControl(0),
m_focusStatus(QCamera::Unlocked),
m_exposureStatus(QCamera::Unlocked),
m_whiteBalanceStatus(QCamera::Unlocked)
{
m_session = session;
m_service = service;
m_focusControl = qobject_cast<S60CameraFocusControl *>(m_service->requestControl(QCameraFocusControl_iid));
connect(m_session->settings(), SIGNAL(focusStatusChanged(QCamera::LockStatus, QCamera::LockChangeReason)),
this, SLOT(focusStatusChanged(QCamera::LockStatus, QCamera::LockChangeReason)));
}
S60CameraLocksControl::~S60CameraLocksControl()
{
}
QCamera::LockTypes S60CameraLocksControl::supportedLocks() const
{
QCamera::LockTypes supportedLocks = 0;
#ifdef S60_CAM_AUTOFOCUS_SUPPORT // S60 3.1
if (m_session)
if (m_session->settings()->isFocusSupported())
supportedLocks |= QCamera::LockFocus;
#else // S60 3.2 and later
if (m_session->settings()->isFocusModeSupported(QCameraFocus::AutoFocus) ||
m_session->settings()->isFocusModeSupported(QCameraFocus::ContinuousFocus) ||
m_session->settings()->isFocusModeSupported(QCameraFocus::MacroFocus))
supportedLocks |= QCamera::LockFocus;
#endif // S60_CAM_AUTOFOCUS_SUPPORT
// Exposure/WhiteBalance Locking not implemented in Symbian
return supportedLocks;
}
QCamera::LockStatus S60CameraLocksControl::lockStatus(QCamera::LockType lock) const
{
switch (lock) {
case QCamera::LockExposure:
return m_exposureStatus;
case QCamera::LockWhiteBalance:
return m_whiteBalanceStatus;
case QCamera::LockFocus:
return m_focusStatus;
default:
// Unsupported lock
return QCamera::Unlocked;
}
}
void S60CameraLocksControl::searchAndLock(QCamera::LockTypes locks)
{
// Ignore Exposure and WhiteBalance locks
if (locks & QCamera::LockFocus)
startFocusing();
}
void S60CameraLocksControl::unlock(QCamera::LockTypes locks)
{
if (locks & QCamera::LockFocus)
cancelFocusing();
}
void S60CameraLocksControl::focusStatusChanged(QCamera::LockStatus status,
QCamera::LockChangeReason reason)
{
if(status != m_focusStatus) {
m_focusStatus = status;
emit lockStatusChanged(QCamera::LockFocus, status, reason);
}
}
void S60CameraLocksControl::startFocusing()
{
#ifndef S60_CAM_AUTOFOCUS_SUPPORT // S60 3.2 or later
// Focusing is triggered on Symbian by setting the FocusType corresponding
// to the FocusMode set to FocusControl
m_session->settings()->startFocusing();
#else // S60 3.1
if (m_focusControl && m_focusControl->focusMode() == QCameraFocus::AutoFocus) {
m_session->settings()->startFocus();
m_focusStatus = QCamera::Searching;
emit lockStatusChanged(QCamera::LockFocus, QCamera::Searching, QCamera::UserRequest);
} else {
emit lockStatusChanged(QCamera::LockFocus, QCamera::Unlocked, QCamera::LockFailed);
}
#endif // S60_CAM_AUTOFOCUS_SUPPORT
}
void S60CameraLocksControl::cancelFocusing()
{
if (m_focusStatus == QCamera::Unlocked)
return;
#ifndef S60_CAM_AUTOFOCUS_SUPPORT // S60 3.2 or later
m_session->settings()->cancelFocusing();
#else // S60 3.1
m_session->settings()->cancelFocus();
m_focusStatus = QCamera::Unlocked;
emit lockStatusChanged(QCamera::LockFocus, QCamera::Unlocked, QCamera::UserRequest);
#endif // S60_CAM_AUTOFOCUS_SUPPORT
}
// End of file
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