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/*
* Copyright 2010, The Android Open Source Project
* 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:
* 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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 DeviceController_h
#define DeviceController_h
#include "DOMWindow.h"
#include "Event.h"
#include "Supplementable.h"
#include "Timer.h"
#include <wtf/HashCountedSet.h>
namespace WebCore {
class DeviceClient;
class Page;
class DeviceController : public Supplement<Page> {
public:
explicit DeviceController(DeviceClient*);
~DeviceController() { }
void addDeviceEventListener(DOMWindow*);
void removeDeviceEventListener(DOMWindow*);
void removeAllDeviceEventListeners(DOMWindow*);
void dispatchDeviceEvent(PassRefPtr<Event>);
bool isActive() { return !m_listeners.isEmpty(); }
DeviceClient* client() { return m_client; }
virtual bool hasLastData() { return false; }
virtual PassRefPtr<Event> getLastEvent() { return 0; }
protected:
void fireDeviceEvent(Timer<DeviceController>*);
HashCountedSet<RefPtr<DOMWindow> > m_listeners;
HashCountedSet<RefPtr<DOMWindow> > m_lastEventListeners;
DeviceClient* m_client;
Timer<DeviceController> m_timer;
};
} // namespace WebCore
#endif // DeviceController_h