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o3de/Code/CryEngine/CrySystem/SystemEventDispatcher.h

57 lines
1.8 KiB
C++

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
// Original file Copyright Crytek GMBH or its affiliates, used under license.
#ifndef CRYINCLUDE_CRYSYSTEM_SYSTEMEVENTDISPATCHER_H
#define CRYINCLUDE_CRYSYSTEM_SYSTEMEVENTDISPATCHER_H
#pragma once
#include <ISystem.h>
#include <CryListenerSet.h>
class CSystemEventDispatcher
: public ISystemEventDispatcher
{
public:
CSystemEventDispatcher();
virtual ~CSystemEventDispatcher(){}
// ISystemEventDispatcher
virtual bool RegisterListener(ISystemEventListener* pListener);
virtual bool RemoveListener(ISystemEventListener* pListener);
virtual void OnSystemEvent(ESystemEvent event, UINT_PTR wparam, UINT_PTR lparam);
virtual void Update();
// ~ISystemEventDispatcher
private:
void OnSystemEventAnyThread(ESystemEvent event, UINT_PTR wparam, UINT_PTR lparam);
typedef CListenerSet<ISystemEventListener*> TSystemEventListeners;
TSystemEventListeners m_listeners;
// for the events coming from other threads
struct SEventParams
{
ESystemEvent event;
UINT_PTR wparam;
UINT_PTR lparam;
};
typedef CryMT::queue<SEventParams> TSystemEventQueue;
TSystemEventQueue m_systemEventQueue;
CryCriticalSection m_listenerRegistrationLock;
};
#endif // CRYINCLUDE_CRYSYSTEM_SYSTEMEVENTDISPATCHER_H