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o3de/Code/Legacy/CrySystem/SystemEventDispatcher.h

54 lines
1.4 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#ifndef CRYINCLUDE_CRYSYSTEM_SYSTEMEVENTDISPATCHER_H
#define CRYINCLUDE_CRYSYSTEM_SYSTEMEVENTDISPATCHER_H
#pragma once
#include <ISystem.h>
#include <CryListenerSet.h>
#include <MultiThread_Containers.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;
AZStd::recursive_mutex m_listenerRegistrationLock;
};
#endif // CRYINCLUDE_CRYSYSTEM_SYSTEMEVENTDISPATCHER_H