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/****************************************************************************
**
** Copyright (C) 2013 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qandroidcameraflashcontrol.h"
#include "qandroidcamerasession.h"
#include "jcamera.h"
QT_BEGIN_NAMESPACE
QAndroidCameraFlashControl::QAndroidCameraFlashControl(QAndroidCameraSession *session)
: QCameraFlashControl()
, m_session(session)
, m_flashMode(QCameraExposure::FlashOff)
{
connect(m_session, SIGNAL(opened()),
this, SLOT(onCameraOpened()));
}
QCameraExposure::FlashModes QAndroidCameraFlashControl::flashMode() const
{
return m_flashMode;
}
void QAndroidCameraFlashControl::setFlashMode(QCameraExposure::FlashModes mode)
{
if (m_flashMode == mode || !m_session->camera() || !isFlashModeSupported(mode))
return;
// if torch was enabled, it first needs to be turned off before setting another mode
if (m_flashMode == QCameraExposure::FlashVideoLight)
m_session->camera()->setFlashMode(QLatin1String("off"));
m_flashMode = mode;
QString flashMode;
if (mode.testFlag(QCameraExposure::FlashAuto))
flashMode = QLatin1String("auto");
else if (mode.testFlag(QCameraExposure::FlashOn))
flashMode = QLatin1String("on");
else if (mode.testFlag(QCameraExposure::FlashRedEyeReduction))
flashMode = QLatin1String("red-eye");
else if (mode.testFlag(QCameraExposure::FlashVideoLight))
flashMode = QLatin1String("torch");
else // FlashOff
flashMode = QLatin1String("off");
m_session->camera()->setFlashMode(flashMode);
}
bool QAndroidCameraFlashControl::isFlashModeSupported(QCameraExposure::FlashModes mode) const
{
return m_supportedFlashModes.contains(mode);
}
bool QAndroidCameraFlashControl::isFlashReady() const
{
// Android doesn't have an API for that
return true;
}
void QAndroidCameraFlashControl::onCameraOpened()
{
m_supportedFlashModes.clear();
QStringList flashModes = m_session->camera()->getSupportedFlashModes();
for (int i = 0; i < flashModes.size(); ++i) {
const QString &flashMode = flashModes.at(i);
if (flashMode == QLatin1String("off"))
m_supportedFlashModes << QCameraExposure::FlashOff;
else if (flashMode == QLatin1String("auto"))
m_supportedFlashModes << QCameraExposure::FlashAuto;
else if (flashMode == QLatin1String("on"))
m_supportedFlashModes << QCameraExposure::FlashOn;
else if (flashMode == QLatin1String("red-eye"))
m_supportedFlashModes << QCameraExposure::FlashRedEyeReduction;
else if (flashMode == QLatin1String("torch"))
m_supportedFlashModes << QCameraExposure::FlashVideoLight;
}
}
QT_END_NAMESPACE
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