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#include <mbgl/util/timer.hpp>
#include <mbgl/util/run_loop.hpp>
#include <uv.h>
namespace mbgl {
namespace util {
class Timer::Impl {
public:
Impl() : timer(new uv_timer_t) {
uv_loop_t* loop = reinterpret_cast<uv_loop_t*>(RunLoop::getLoopHandle());
if (uv_timer_init(loop, timer) != 0) {
throw std::runtime_error("Failed to initialize timer.");
}
handle()->data = this;
uv_unref(handle());
}
~Impl() {
uv_close(handle(), [](uv_handle_t* h) {
delete reinterpret_cast<uv_timer_t*>(h);
});
}
void start(uint64_t timeout, uint64_t repeat, std::function<void ()>&& cb_) {
cb = std::move(cb_);
if (uv_timer_start(timer, timerCallback, timeout, repeat) != 0) {
throw std::runtime_error("Failed to start timer.");
}
}
void stop() {
cb = nullptr;
if (uv_timer_stop(timer) != 0) {
throw std::runtime_error("Failed to stop timer.");
}
}
private:
static void timerCallback(uv_timer_t* handle) {
reinterpret_cast<Impl*>(handle->data)->cb();
}
uv_handle_t* handle() {
return reinterpret_cast<uv_handle_t*>(timer);
}
uv_timer_t* timer;
std::function<void()> cb;
};
Timer::Timer()
: impl(std::make_unique<Impl>()) {
}
Timer::~Timer() = default;
void Timer::start(Duration timeout, Duration repeat, std::function<void()>&& cb) {
impl->start(std::chrono::duration_cast<Milliseconds>(timeout).count(),
std::chrono::duration_cast<Milliseconds>(repeat).count(),
std::move(cb));
}
void Timer::stop() {
impl->stop();
}
} // namespace util
} // namespace mbgl
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