electron/shell/app/uv_task_runner.cc

63 строки
1.7 KiB
C++

// Copyright (c) 2015 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include <utility>
#include "base/location.h"
#include "base/stl_util.h"
#include "base/time/time.h"
#include "shell/app/uv_task_runner.h"
namespace electron {
UvTaskRunner::UvTaskRunner(uv_loop_t* loop) : loop_(loop) {}
UvTaskRunner::~UvTaskRunner() {
for (auto& iter : tasks_) {
uv_unref(reinterpret_cast<uv_handle_t*>(iter.first));
delete iter.first;
}
}
bool UvTaskRunner::PostDelayedTask(const base::Location& from_here,
base::OnceClosure task,
base::TimeDelta delay) {
auto* timer = new uv_timer_t;
timer->data = this;
uv_timer_init(loop_, timer);
uv_timer_start(timer, UvTaskRunner::OnTimeout, delay.InMilliseconds(), 0);
tasks_[timer] = std::move(task);
return true;
}
bool UvTaskRunner::RunsTasksInCurrentSequence() const {
return true;
}
bool UvTaskRunner::PostNonNestableDelayedTask(const base::Location& from_here,
base::OnceClosure task,
base::TimeDelta delay) {
return PostDelayedTask(from_here, std::move(task), delay);
}
// static
void UvTaskRunner::OnTimeout(uv_timer_t* timer) {
auto& tasks = static_cast<UvTaskRunner*>(timer->data)->tasks_;
const auto iter = tasks.find(timer);
if (iter == std::end(tasks))
return;
std::move(iter->second).Run();
tasks.erase(iter);
uv_timer_stop(timer);
uv_close(reinterpret_cast<uv_handle_t*>(timer), UvTaskRunner::OnClose);
}
// static
void UvTaskRunner::OnClose(uv_handle_t* handle) {
delete reinterpret_cast<uv_timer_t*>(handle);
}
} // namespace electron