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/*
* Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "DeviceMotionProviderQt.h"
#include "DeviceMotionController.h"
#include "DeviceOrientationProviderQt.h"
namespace WebCore {
DeviceMotionProviderQt::DeviceMotionProviderQt()
: m_motion(DeviceMotionData::create())
, m_deviceOrientation(new DeviceOrientationProviderQt)
, m_controller(0)
{
m_acceleration.addFilter(this);
}
DeviceMotionProviderQt::~DeviceMotionProviderQt()
{
delete m_deviceOrientation;
}
void DeviceMotionProviderQt::setController(DeviceMotionController* controller)
{
ASSERT(controller);
ASSERT(!m_controller);
m_controller = controller;
}
void DeviceMotionProviderQt::start()
{
m_acceleration.start();
m_deviceOrientation->start();
}
void DeviceMotionProviderQt::stop()
{
m_acceleration.stop();
m_deviceOrientation->stop();
}
bool DeviceMotionProviderQt::filter(QAccelerometerReading* reading)
{
if (!m_controller) {
// We are the only filter. No need to propagate from here.
return false;
}
RefPtr<DeviceMotionData::Acceleration> accel = DeviceMotionData::Acceleration::create(
/* x available */ true, reading->x(),
/* y available */ true, reading->y(),
/* z available */ true, reading->z());
RefPtr<DeviceMotionData::RotationRate> rotation = DeviceMotionData::RotationRate::create(
m_deviceOrientation->hasAlpha(), m_deviceOrientation->lastOrientation()->alpha(),
/* beta available */ true, m_deviceOrientation->lastOrientation()->beta(),
/* gamma available */ true, m_deviceOrientation->lastOrientation()->gamma());
m_motion = DeviceMotionData::create(accel,
accel, /* FIXME: Needs to provide acceleration include gravity. */
rotation,
false, 0 /* The interval is treated internally by Qt mobility (QtSensors in Qt5) */);
m_controller->didChangeDeviceMotion(m_motion.get());
// We are the only filter. No need to propagate from here.
return false;
}
} // namespace WebCore
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