141 lines
3.8 KiB
C++
141 lines
3.8 KiB
C++
/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2004 Chris Schoeneman
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*
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* This package is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file COPYING that should have accompanied this file.
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*
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* This package is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef CEVENTQUEUE_H
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#define CEVENTQUEUE_H
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#include "IEventQueue.h"
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#include "CEvent.h"
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#include "CPriorityQueue.h"
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#include "CStopwatch.h"
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#include "IArchMultithread.h"
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#include "stdmap.h"
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#include "stdset.h"
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//! Event queue
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/*!
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An event queue that implements the platform independent parts and
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delegates the platform dependent parts to a subclass.
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*/
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class CEventQueue : public IEventQueue {
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public:
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CEventQueue();
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virtual ~CEventQueue();
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// IEventQueue overrides
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virtual void adoptBuffer(IEventQueueBuffer*);
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virtual bool getEvent(CEvent& event, double timeout = -1.0);
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virtual bool dispatchEvent(const CEvent& event);
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virtual void addEvent(const CEvent& event);
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virtual CEventQueueTimer*
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newTimer(double duration, void* target);
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virtual CEventQueueTimer*
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newOneShotTimer(double duration, void* target);
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virtual void deleteTimer(CEventQueueTimer*);
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virtual void adoptHandler(void* target, IEventJob* dispatcher);
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virtual void adoptHandler(CEvent::Type type,
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void* target, IEventJob* handler);
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virtual IEventJob* orphanHandler(void* target);
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virtual IEventJob* orphanHandler(CEvent::Type type, void* target);
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virtual void removeHandler(void* target);
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virtual void removeHandler(CEvent::Type type, void* target);
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virtual CEvent::Type
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registerType(const char* name);
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virtual CEvent::Type
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registerTypeOnce(CEvent::Type& type, const char* name);
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virtual bool isEmpty() const;
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virtual IEventJob* getHandler(CEvent::Type type, void* target) const;
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virtual const char* getTypeName(CEvent::Type type);
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private:
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void doAdoptHandler(CEvent::Type type,
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void* target, IEventJob* handler);
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IEventJob* doOrphanHandler(CEvent::Type type, void* target);
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UInt32 saveEvent(const CEvent& event);
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CEvent removeEvent(UInt32 eventID);
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bool hasTimerExpired(CEvent& event);
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double getNextTimerTimeout() const;
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private:
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class CTypeTarget {
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public:
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CTypeTarget(CEvent::Type type, void* target);
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~CTypeTarget();
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bool operator<(const CTypeTarget&) const;
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private:
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CEvent::Type m_type;
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void* m_target;
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};
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class CTimer {
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public:
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CTimer(CEventQueueTimer*, double timeout, double initialTime,
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void* target, bool oneShot);
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~CTimer();
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void reset();
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CTimer& operator-=(double);
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operator double() const;
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bool isOneShot() const;
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CEventQueueTimer*
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getTimer() const;
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void* getTarget() const;
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void fillEvent(CTimerEvent&) const;
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bool operator<(const CTimer&) const;
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private:
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CEventQueueTimer* m_timer;
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double m_timeout;
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void* m_target;
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bool m_oneShot;
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double m_time;
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};
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typedef std::set<CEventQueueTimer*> CTimers;
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typedef CPriorityQueue<CTimer> CTimerQueue;
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typedef std::map<UInt32, CEvent> CEventTable;
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typedef std::vector<UInt32> CEventIDList;
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typedef std::map<CTypeTarget, IEventJob*> CHandlerTable;
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typedef std::map<CEvent::Type, const char*> CTypeMap;
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CArchMutex m_mutex;
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// registered events
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CEvent::Type m_nextType;
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CTypeMap m_typeMap;
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// buffer of events
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IEventQueueBuffer* m_buffer;
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// saved events
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CEventTable m_events;
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CEventIDList m_oldEventIDs;
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// timers
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CStopwatch m_time;
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CTimers m_timers;
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CTimerQueue m_timerQueue;
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CTimerEvent m_timerEvent;
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// event handlers
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CHandlerTable m_handlers;
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};
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#endif
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