76 lines
1.6 KiB
C++
76 lines
1.6 KiB
C++
#include "run_loop_impl.hpp"
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#include <mbgl/util/run_loop.hpp>
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#include <mbgl/util/timer.hpp>
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#include <functional>
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namespace mbgl {
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namespace util {
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class Timer::Impl : public RunLoop::Impl::Runnable {
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public:
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Impl() = default;
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~Impl() {
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stop();
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}
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void start(Duration timeout, Duration repeat_, std::function<void()>&& task_) {
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stop();
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repeat = repeat_;
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task = std::move(task_);
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// Prevent overflows when timeout is set to Duration::max()
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due = (timeout == Duration::max()) ? std::chrono::time_point<Clock>::max() : Clock::now() +
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timeout;
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loop->addRunnable(this);
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}
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void stop() {
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loop->removeRunnable(this);
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}
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void reschedule() {
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if (repeat != Duration::zero()) {
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due = Clock::now() + repeat;
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loop->wake();
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} else {
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stop();
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}
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}
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TimePoint dueTime() const override {
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return due;
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}
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void runTask() override {
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reschedule();
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task();
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}
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private:
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TimePoint due;
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Duration repeat;
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RunLoop::Impl* loop = reinterpret_cast<RunLoop::Impl*>(RunLoop::getLoopHandle());
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std::function<void()> task;
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};
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Timer::Timer() : impl(std::make_unique<Impl>()) {
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}
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Timer::~Timer() = default;
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void Timer::start(Duration timeout, Duration repeat, std::function<void()>&& cb) {
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impl->start(timeout, repeat, std::move(cb));
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}
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void Timer::stop() {
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impl->stop();
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}
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} // namespace util
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} // namespace mbgl
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