DeviceMotionProviderQt.cpp [plain text]
#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) {
return false;
}
RefPtr<DeviceMotionData::Acceleration> accel = DeviceMotionData::Acceleration::create(
true, reading->x(),
true, reading->y(),
true, reading->z());
RefPtr<DeviceMotionData::RotationRate> rotation = DeviceMotionData::RotationRate::create(
m_deviceOrientation->hasAlpha(), m_deviceOrientation->lastOrientation()->alpha(),
true, m_deviceOrientation->lastOrientation()->beta(),
true, m_deviceOrientation->lastOrientation()->gamma());
m_motion = DeviceMotionData::create(accel,
accel,
rotation,
false, 0 );
m_controller->didChangeDeviceMotion(m_motion.get());
return false;
}
}