[Chromoting] Introducing refcount-based life time management of the message loops in the service (d…

remoting/base/auto_thread_task_runner.cc

+// Copyright (c) 2012 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 "remoting/base/auto_thread_task_runner.h"
+
+#include "base/logging.h"
+
+namespace remoting {
+
+AutoThreadTaskRunner::AutoThreadTaskRunner(
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner)
+    : task_runner_(task_runner) {
+}
+
+AutoThreadTaskRunner::AutoThreadTaskRunner(
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner,
+    const base::Closure& stop_callback)
+    : stop_callback_(stop_callback),
+      task_runner_(task_runner) {
+}
+
+AutoThreadTaskRunner::AutoThreadTaskRunner(
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner,
+    scoped_refptr<AutoThreadTaskRunner> parent)
+    : parent_(parent),
+      task_runner_(task_runner) {
+}
+
+AutoThreadTaskRunner::AutoThreadTaskRunner(
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner,
+    scoped_refptr<AutoThreadTaskRunner> parent,
+    const base::Closure& stop_callback)
+    : parent_(parent),
+      stop_callback_(stop_callback),
+      task_runner_(task_runner) {
+}
+
+bool AutoThreadTaskRunner::PostDelayedTask(
+    const tracked_objects::Location& from_here,
+    const base::Closure& task,
+    base::TimeDelta delay) {
+  // CHECK() makes sure that |task_runner_| is still running, - the assumption
+  // made by |AutoThreadTaskRunner| owners.
+  CHECK(task_runner_->PostDelayedTask(from_here, task, delay));
+  return true;
+}
+
+bool AutoThreadTaskRunner::PostNonNestableDelayedTask(
+    const tracked_objects::Location& from_here,
+    const base::Closure& task,
+    base::TimeDelta delay) {
+  // CHECK() makes sure that |task_runner_| is still running, - the assumption
+  // made by |AutoThreadTaskRunner| owners.
+  CHECK(task_runner_->PostNonNestableDelayedTask(from_here, task, delay));
+  return true;
+}
+
+bool AutoThreadTaskRunner::RunsTasksOnCurrentThread() const {
+  return task_runner_->RunsTasksOnCurrentThread();
+}
+
+AutoThreadTaskRunner::~AutoThreadTaskRunner() {
+  if (!stop_callback_.is_null())
+    stop_callback_.Run();
+}
+
+}  // namespace remoting