third_party/WebKit/Source/modules/device_orientation/DeviceOrientationEvent.h

/*
 * Copyright 2010, The Android Open Source Project
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * 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 THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER 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.
 */

#ifndef DeviceOrientationEvent_h
#define DeviceOrientationEvent_h

#include "bindings/core/v8/Nullable.h"
#include "modules/EventModules.h"
#include "platform/heap/Handle.h"

namespace blink {

class DeviceOrientationEventInit;
class DeviceOrientationData;

class DeviceOrientationEvent final : public Event {
  DEFINE_WRAPPERTYPEINFO();

 public:
  ~DeviceOrientationEvent() override;
  static DeviceOrientationEvent* create() { return new DeviceOrientationEvent; }
  static DeviceOrientationEvent* create(
      const AtomicString& eventType,
      const DeviceOrientationEventInit& initializer) {
    return new DeviceOrientationEvent(eventType, initializer);
  }
  static DeviceOrientationEvent* create(const AtomicString& eventType,
                                        DeviceOrientationData* orientation) {
    return new DeviceOrientationEvent(eventType, orientation);
  }

  DeviceOrientationData* orientation() const { return m_orientation.get(); }

  double alpha(bool& isNull) const;
  double beta(bool& isNull) const;
  double gamma(bool& isNull) const;
  bool absolute() const;

  const AtomicString& interfaceName() const override;

  DECLARE_VIRTUAL_TRACE();

 private:
  DeviceOrientationEvent();
  DeviceOrientationEvent(const AtomicString&,
                         const DeviceOrientationEventInit&);
  DeviceOrientationEvent(const AtomicString& eventType, DeviceOrientationData*);

  Member<DeviceOrientationData> m_orientation;
};

DEFINE_TYPE_CASTS(DeviceOrientationEvent,
                  Event,
                  event,
                  event->interfaceName() == EventNames::DeviceOrientationEvent,
                  event.interfaceName() == EventNames::DeviceOrientationEvent);

}  // namespace blink

#endif  // DeviceOrientationEvent_h