chromecast/base/task_runner_impl.cc

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chromecast/base/task_runner_impl.h"

#include "base/bind.h"
#include "base/location.h"
#include "base/single_thread_task_runner.h"
#include "base/thread_task_runner_handle.h"

namespace chromecast {

TaskRunnerImpl::TaskRunnerImpl()
    : runner_(base::ThreadTaskRunnerHandle::Get()) {
  DCHECK(runner_.get());
}

TaskRunnerImpl::~TaskRunnerImpl() {}

bool TaskRunnerImpl::PostTask(Task* task, uint64_t delay_milliseconds) {
  DCHECK(task);
  if (delay_milliseconds == 0 && runner_->BelongsToCurrentThread()) {
    task->Run();
    delete task;
    return true;
  }

  // TODO(halliwell): FROM_HERE is misleading, we should consider a macro for
  // vendor backends to send the callsite info.
  return runner_->PostDelayedTask(
      FROM_HERE, base::Bind(&Task::Run, base::Owned(task)),
      base::TimeDelta::FromMilliseconds(delay_milliseconds));
}

}  // namespace chromecast