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/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "modules/device_orientation/DeviceMotionEvent.h"
#include "modules/device_orientation/DeviceAcceleration.h"
#include "modules/device_orientation/DeviceMotionData.h"
#include "modules/device_orientation/DeviceRotationRate.h"
namespace blink {
DeviceMotionEvent::~DeviceMotionEvent()
{
}
DeviceMotionEvent::DeviceMotionEvent()
: m_deviceMotionData(DeviceMotionData::create())
{
}
DeviceMotionEvent::DeviceMotionEvent(const AtomicString& eventType, DeviceMotionData* deviceMotionData)
: Event(eventType, false, false) // Can't bubble, not cancelable
, m_deviceMotionData(deviceMotionData)
{
}
void DeviceMotionEvent::initDeviceMotionEvent(const AtomicString& type, bool bubbles, bool cancelable, DeviceMotionData* deviceMotionData)
{
if (dispatched())
return;
initEvent(type, bubbles, cancelable);
m_deviceMotionData = deviceMotionData;
m_acceleration.clear();
m_accelerationIncludingGravity.clear();
m_rotationRate.clear();
}
DeviceAcceleration* DeviceMotionEvent::acceleration()
{
if (!m_deviceMotionData->acceleration())
return 0;
if (!m_acceleration)
m_acceleration = DeviceAcceleration::create(m_deviceMotionData->acceleration());
return m_acceleration.get();
}
DeviceAcceleration* DeviceMotionEvent::accelerationIncludingGravity()
{
if (!m_deviceMotionData->accelerationIncludingGravity())
return 0;
if (!m_accelerationIncludingGravity)
m_accelerationIncludingGravity = DeviceAcceleration::create(m_deviceMotionData->accelerationIncludingGravity());
return m_accelerationIncludingGravity.get();
}
DeviceRotationRate* DeviceMotionEvent::rotationRate()
{
if (!m_deviceMotionData->rotationRate())
return 0;
if (!m_rotationRate)
m_rotationRate = DeviceRotationRate::create(m_deviceMotionData->rotationRate());
return m_rotationRate.get();
}
double DeviceMotionEvent::interval(bool& isNull) const
{
if (m_deviceMotionData->canProvideInterval())
return m_deviceMotionData->interval();
isNull = true;
return 0;
}
const AtomicString& DeviceMotionEvent::interfaceName() const
{
return EventNames::DeviceMotionEvent;
}
void DeviceMotionEvent::trace(Visitor* visitor)
{
visitor->trace(m_deviceMotionData);
visitor->trace(m_acceleration);
visitor->trace(m_accelerationIncludingGravity);
visitor->trace(m_rotationRate);
Event::trace(visitor);
}
} // namespace blink
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