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a3cedb5c58
There is a minor functional change in that the custom callback type uses event loop signaling that makes it safe to trigger the callback from a thread. This should however not be necessary for timers (which are all setup on the main thread).
47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
#ifndef CF_TIMER_H_SCWA7DUD
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#define CF_TIMER_H_SCWA7DUD
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#include "callback.h"
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#include <oak/debug.h>
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namespace cf
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{
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struct timer_t
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{
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WATCH_LEAKS(cf::timer_t);
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timer_t (CFAbsoluteTime fireAt, std::function<void()> const& callback) : _callback(callback)
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{
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CFRunLoopTimerContext context = { 0, this, NULL, NULL, NULL };
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_timer = CFRunLoopTimerCreate(NULL, fireAt, 0, 0, 0, &timer_t::fire, &context);
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CFRunLoopAddTimer(CFRunLoopGetCurrent(), _timer, kCFRunLoopCommonModes);
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}
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~timer_t ()
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{
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CFRunLoopTimerInvalidate(_timer);
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CFRunLoopRemoveTimer(CFRunLoopGetCurrent(), _timer, kCFRunLoopCommonModes);
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CFRelease(_timer);
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}
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private:
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std::function<void()> _callback;
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CFRunLoopTimerRef _timer;
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static void fire (CFRunLoopTimerRef timer, void* info)
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{
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((timer_t*)info)->_callback();
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}
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};
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typedef std::shared_ptr<timer_t> timer_ptr;
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inline timer_ptr setup_timer (CFAbsoluteTime delay, std::function<void()> const& callback)
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{
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return timer_ptr(new timer_t(CFAbsoluteTimeGetCurrent() + delay, callback));
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}
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} /* cf */
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#endif /* end of include guard: CF_TIMER_H_SCWA7DUD */
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