107 lines
2.3 KiB
C++
107 lines
2.3 KiB
C++
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#ifndef TTIMER_INCLUDED
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#define TTIMER_INCLUDED
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#include "tcommon.h"
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#undef DVAPI
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#undef DVVAR
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#ifdef TAPPTOOLS_EXPORTS
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#define DVAPI DV_EXPORT_API
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#define DVVAR DV_EXPORT_VAR
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#else
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#define DVAPI DV_IMPORT_API
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#define DVVAR DV_IMPORT_VAR
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#endif
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//-------------------------------------------------------------------
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class DVAPI TGenericTimerAction
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{
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public:
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virtual ~TGenericTimerAction() {}
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virtual void sendCommand(TUINT64 tick) = 0;
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};
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//-------------------------------------------------------------------
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template <class T>
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class TTimerAction : public TGenericTimerAction
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{
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public:
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typedef void (T::*Method)(TUINT64 tick);
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TTimerAction(T *target, Method method) : m_target(target), m_method(method) {}
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void sendCommand(TUINT64 tick) { (m_target->*m_method)(tick); }
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private:
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T *m_target;
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Method m_method;
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};
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//------------------------------------------------------------------------------
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//! THis class is manages general time events.
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/*!
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This class defines a timer,
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i.e a system which, at user defined time steps, sends events through a callback function.
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*/
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class DVAPI TTimer
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{
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public:
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/*!
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Specifies which is the type of timer of this object.
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*/
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enum Type {
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OneShot, /*!< This type of timer sends timer events only at a single time. */
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Periodic /*!< This type of timer sends timer events periodically. */
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};
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/*!
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Creates a timer with name \p name, resolution \p timerRes and type \p type.
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Resolution is expressed in milliseconds.
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*/
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TTimer(const string &name, UINT timerRes, Type type);
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/*!
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Deletes the timer.
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*/
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~TTimer();
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/*!
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Starts the timer after \p delay milliseconds.
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*/
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void start(UINT delay); // delay expressed in milliseconds
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/*!
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Stops the timer immediately.
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Doesn't delete the timer.
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*/
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void stop();
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/*!
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Returns \p true if the timer is started.
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*/
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bool isStarted() const;
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/*!
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Returns the name of the timer.
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*/
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string getName() const;
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/*!
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Asks the timer for number of events so far.
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*/
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TUINT64 getTicks() const;
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/*!
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Returns the initial start delay of the timer.
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*/
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UINT getDelay() const;
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/*!
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Sets the callback function, i.e. the function to be called every timer's shot.
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*/
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void setAction(TGenericTimerAction *action);
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class Imp;
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private:
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Imp *m_imp;
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TTimer(const TTimer &);
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void operator=(const TTimer &);
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};
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#endif
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