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#ifndef DeviceMotionDispatcher_h
#define DeviceMotionDispatcher_h
#include "core/frame/DeviceSensorEventDispatcher.h"
#include "heap/Handle.h"
#include "public/platform/WebDeviceMotionListener.h"
#include "wtf/RefPtr.h"
namespace blink {
class WebDeviceMotionData;
}
namespace WebCore {
class DeviceMotionController;
class DeviceMotionData;
// This class listens to device motion data and dispatches it to all
// listening controllers.
class DeviceMotionDispatcher FINAL : public DeviceSensorEventDispatcher, public blink::WebDeviceMotionListener {
public:
static DeviceMotionDispatcher& instance();
// Note that the returned object is owned by this class.
// FIXME: make the return value const, see crbug.com/233174.
DeviceMotionData* latestDeviceMotionData();
// This method is called every time new device motion data is available.
virtual void didChangeDeviceMotion(const blink::WebDeviceMotionData&) OVERRIDE;
void addDeviceMotionController(DeviceMotionController*);
void removeDeviceMotionController(DeviceMotionController*);
private:
DeviceMotionDispatcher();
virtual ~DeviceMotionDispatcher();
virtual void startListening() OVERRIDE;
virtual void stopListening() OVERRIDE;
RefPtrWillBePersistent<DeviceMotionData> m_lastDeviceMotionData;
};
} // namespace WebCore
#endif // DeviceMotionDispatcher_h