90 lines
1.5 KiB
C
90 lines
1.5 KiB
C
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/*==============================================================================
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Copyright 2020 by Roland Rabien
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For more information visit www.rabiensoftware.com
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==============================================================================*/
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#pragma once
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class CoalescedTimer
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{
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public:
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CoalescedTimer () = default;
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void startTimer (int ms)
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{
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stopTimer();
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delay = ms;
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sharedTimers->add (this);
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}
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void startTimerHz (int hz)
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{
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if (hz > 0)
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startTimer (1000 / hz);
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else
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stopTimer();
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}
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void stopTimer()
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{
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sharedTimers->remove (this);
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delay = 0;
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}
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std::function<void ()> onTimer;
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private:
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class SharedTimer : public Timer
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{
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public:
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void timerCallback() override
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{
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for (auto t : timers)
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if (t->onTimer)
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t->onTimer ();
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}
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Array<CoalescedTimer*> timers;
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};
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class SharedTimers
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{
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public:
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void add (CoalescedTimer* t)
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{
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auto itr = timers.find (t->delay);
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if (itr == timers.end())
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{
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auto st = std::make_unique<SharedTimer>();
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st->timers.add (t);
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st->startTimer (t->delay);
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timers[t->delay] = std::move (st);
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}
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else
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{
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itr->second->timers.add (t);
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}
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}
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void remove (CoalescedTimer* t)
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{
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auto itr = timers.find (t->delay);
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if (itr != timers.end())
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{
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itr->second->timers.removeFirstMatchingValue (t);
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if (itr->second->timers.size() == 0)
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timers.erase (t->delay);
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}
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}
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std::map<int, std::unique_ptr<SharedTimer>> timers;
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};
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int delay = 0;
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SharedResourcePointer<SharedTimers> sharedTimers;
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};
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