Hyprland/src/managers/eventLoop/EventLoopTimer.cpp

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#include "EventLoopTimer.hpp"
#include <limits>
#include "EventLoopManager.hpp"
CEventLoopTimer::CEventLoopTimer(std::optional<std::chrono::system_clock::duration> timeout, std::function<void(std::shared_ptr<CEventLoopTimer> self, void* data)> cb_,
void* data_) :
cb(cb_),
data(data_) {
if (!timeout.has_value())
expires.reset();
else
expires = std::chrono::system_clock::now() + *timeout;
}
void CEventLoopTimer::updateTimeout(std::optional<std::chrono::system_clock::duration> timeout) {
if (!timeout.has_value()) {
expires.reset();
g_pEventLoopManager->nudgeTimers();
return;
}
expires = std::chrono::system_clock::now() + *timeout;
g_pEventLoopManager->nudgeTimers();
}
bool CEventLoopTimer::passed() {
if (!expires.has_value())
return false;
return std::chrono::system_clock::now() > *expires;
}
void CEventLoopTimer::cancel() {
wasCancelled = true;
expires.reset();
}
bool CEventLoopTimer::cancelled() {
return wasCancelled;
}
void CEventLoopTimer::call(std::shared_ptr<CEventLoopTimer> self) {
expires.reset();
cb(self, data);
}
float CEventLoopTimer::leftUs() {
if (!expires.has_value())
return std::numeric_limits<float>::max();
return std::chrono::duration_cast<std::chrono::microseconds>(*expires - std::chrono::system_clock::now()).count();
}