| /* |
| * 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 "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 (isBeingDispatched()) |
| return; |
| |
| initEvent(type, bubbles, cancelable); |
| m_deviceMotionData = deviceMotionData; |
| |
| m_acceleration.clear(); |
| m_accelerationIncludingGravity.clear(); |
| m_rotationRate.clear(); |
| } |
| |
| DeviceAcceleration* DeviceMotionEvent::acceleration() { |
| if (!m_deviceMotionData->getAcceleration()) |
| return nullptr; |
| |
| if (!m_acceleration) |
| m_acceleration = |
| DeviceAcceleration::create(m_deviceMotionData->getAcceleration()); |
| |
| return m_acceleration.get(); |
| } |
| |
| DeviceAcceleration* DeviceMotionEvent::accelerationIncludingGravity() { |
| if (!m_deviceMotionData->getAccelerationIncludingGravity()) |
| return nullptr; |
| |
| if (!m_accelerationIncludingGravity) |
| m_accelerationIncludingGravity = DeviceAcceleration::create( |
| m_deviceMotionData->getAccelerationIncludingGravity()); |
| |
| return m_accelerationIncludingGravity.get(); |
| } |
| |
| DeviceRotationRate* DeviceMotionEvent::rotationRate() { |
| if (!m_deviceMotionData->getRotationRate()) |
| return nullptr; |
| |
| if (!m_rotationRate) |
| m_rotationRate = |
| DeviceRotationRate::create(m_deviceMotionData->getRotationRate()); |
| |
| 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; |
| } |
| |
| DEFINE_TRACE(DeviceMotionEvent) { |
| visitor->trace(m_deviceMotionData); |
| visitor->trace(m_acceleration); |
| visitor->trace(m_accelerationIncludingGravity); |
| visitor->trace(m_rotationRate); |
| Event::trace(visitor); |
| } |
| |
| } // namespace blink |