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/****************************************************************************
**
** Copyright (C) 2013 Research In Motion
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "bbcameraflashcontrol.h"
#include "bbcamerasession.h"
#include <QDebug>
QT_BEGIN_NAMESPACE
BbCameraFlashControl::BbCameraFlashControl(BbCameraSession *session, QObject *parent)
: QCameraFlashControl(parent)
, m_session(session)
, m_flashMode(QCameraExposure::FlashAuto)
{
}
QCameraExposure::FlashModes BbCameraFlashControl::flashMode() const
{
return m_flashMode;
}
void BbCameraFlashControl::setFlashMode(QCameraExposure::FlashModes mode)
{
if (m_flashMode == mode)
return;
if (m_session->status() != QCamera::ActiveStatus) // can only be changed when viewfinder is active
return;
if (m_flashMode == QCameraExposure::FlashVideoLight) {
const camera_error_t result = camera_config_videolight(m_session->handle(), CAMERA_VIDEOLIGHT_OFF);
if (result != CAMERA_EOK)
qWarning() << "Unable to switch off video light:" << result;
}
m_flashMode = mode;
if (m_flashMode == QCameraExposure::FlashVideoLight) {
const camera_error_t result = camera_config_videolight(m_session->handle(), CAMERA_VIDEOLIGHT_ON);
if (result != CAMERA_EOK)
qWarning() << "Unable to switch on video light:" << result;
} else {
camera_flashmode_t flashMode = CAMERA_FLASH_AUTO;
if (m_flashMode.testFlag(QCameraExposure::FlashAuto)) flashMode = CAMERA_FLASH_AUTO;
else if (mode.testFlag(QCameraExposure::FlashOff)) flashMode = CAMERA_FLASH_OFF;
else if (mode.testFlag(QCameraExposure::FlashOn)) flashMode = CAMERA_FLASH_ON;
const camera_error_t result = camera_config_flash(m_session->handle(), flashMode);
if (result != CAMERA_EOK)
qWarning() << "Unable to configure flash:" << result;
}
}
bool BbCameraFlashControl::isFlashModeSupported(QCameraExposure::FlashModes mode) const
{
bool supportsVideoLight = false;
if (m_session->handle() != CAMERA_HANDLE_INVALID) {
supportsVideoLight = camera_has_feature(m_session->handle(), CAMERA_FEATURE_VIDEOLIGHT);
}
return (mode == QCameraExposure::FlashOff ||
mode == QCameraExposure::FlashOn ||
mode == QCameraExposure::FlashAuto ||
((mode == QCameraExposure::FlashVideoLight) && supportsVideoLight));
}
bool BbCameraFlashControl::isFlashReady() const
{
//TODO: check for flash charge-level here?!?
return true;
}
QT_END_NAMESPACE
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