/*
* Copyright 2010 Apple Inc. All rights reserved.
* Copyright (C) 2012 Samsung Electronics. All rights reserved.
*
* 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 DeviceOrientationController_h
#define DeviceOrientationController_h
#include "core/dom/DocumentSupplementable.h"
#include "core/events/Event.h"
#include "core/frame/DOMWindowLifecycleObserver.h"
#include "core/frame/DeviceSensorEventController.h"
namespace WebCore {
class DeviceOrientationData;
class DeviceOrientationController FINAL : public DeviceSensorEventController, public DocumentSupplement, public DOMWindowLifecycleObserver {
public:
virtual ~DeviceOrientationController();
static const char* supplementName();
static DeviceOrientationController& from(Document&);
void didChangeDeviceOrientation(DeviceOrientationData*);
void setOverride(DeviceOrientationData*);
void clearOverride();
// Inherited from DOMWindowLifecycleObserver
virtual void didAddEventListener(DOMWindow*, const AtomicString&) OVERRIDE;
virtual void didRemoveEventListener(DOMWindow*, const AtomicString&) OVERRIDE;
virtual void didRemoveAllEventListeners(DOMWindow*) OVERRIDE;
private:
explicit DeviceOrientationController(Document&);
virtual void registerWithDispatcher() OVERRIDE;
virtual void unregisterWithDispatcher() OVERRIDE;
DeviceOrientationData* lastData();
virtual bool hasLastData() OVERRIDE;
virtual PassRefPtrWillBeRawPtr<Event> getLastEvent() OVERRIDE;
virtual bool isNullEvent(Event*) OVERRIDE;
RefPtrWillBePersistent<DeviceOrientationData> m_overrideOrientationData;
};
} // namespace WebCore
#endif // DeviceOrientationController_h