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      1 /*
      2  * Copyright (C) 2010 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef DeviceMotionEvent_h
     27 #define DeviceMotionEvent_h
     28 
     29 #include "modules/EventModules.h"
     30 #include "platform/heap/Handle.h"
     31 
     32 namespace blink {
     33 
     34 class DeviceAcceleration;
     35 class DeviceMotionData;
     36 class DeviceRotationRate;
     37 
     38 class DeviceMotionEvent FINAL : public Event {
     39     DEFINE_WRAPPERTYPEINFO();
     40 public:
     41     virtual ~DeviceMotionEvent();
     42     static PassRefPtrWillBeRawPtr<DeviceMotionEvent> create()
     43     {
     44         return adoptRefWillBeNoop(new DeviceMotionEvent);
     45     }
     46     static PassRefPtrWillBeRawPtr<DeviceMotionEvent> create(const AtomicString& eventType, DeviceMotionData* deviceMotionData)
     47     {
     48         return adoptRefWillBeNoop(new DeviceMotionEvent(eventType, deviceMotionData));
     49     }
     50 
     51     void initDeviceMotionEvent(const AtomicString& type, bool bubbles, bool cancelable, DeviceMotionData*);
     52 
     53     DeviceMotionData* deviceMotionData() const { return m_deviceMotionData.get(); }
     54 
     55     DeviceAcceleration* acceleration();
     56     DeviceAcceleration* accelerationIncludingGravity();
     57     DeviceRotationRate* rotationRate();
     58     double interval(bool& isNull) const;
     59 
     60     virtual const AtomicString& interfaceName() const OVERRIDE;
     61 
     62     virtual void trace(Visitor*) OVERRIDE;
     63 
     64 private:
     65     DeviceMotionEvent();
     66     DeviceMotionEvent(const AtomicString& eventType, DeviceMotionData*);
     67 
     68     PersistentWillBeMember<DeviceMotionData> m_deviceMotionData;
     69     PersistentWillBeMember<DeviceAcceleration> m_acceleration;
     70     PersistentWillBeMember<DeviceAcceleration> m_accelerationIncludingGravity;
     71     PersistentWillBeMember<DeviceRotationRate> m_rotationRate;
     72 };
     73 
     74 DEFINE_TYPE_CASTS(DeviceMotionEvent, Event, event, event->interfaceName() == EventNames::DeviceMotionEvent, event.interfaceName() == EventNames::DeviceMotionEvent);
     75 
     76 } // namespace blink
     77 
     78 #endif // DeviceMotionEvent_h
     79