1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "device/bluetooth/bluetooth_socket_thread.h"
7 #include "base/lazy_instance.h"
8 #include "base/sequenced_task_runner.h"
9 #include "base/threading/thread.h"
13 base::LazyInstance
<scoped_refptr
<BluetoothSocketThread
> > g_instance
=
14 LAZY_INSTANCE_INITIALIZER
;
17 scoped_refptr
<BluetoothSocketThread
> BluetoothSocketThread::Get() {
18 if (!g_instance
.Get().get()) {
19 g_instance
.Get() = new BluetoothSocketThread();
21 return g_instance
.Get();
25 void BluetoothSocketThread::CleanupForTesting() {
26 DCHECK(g_instance
.Get().get());
27 g_instance
.Get() = NULL
;
30 BluetoothSocketThread::BluetoothSocketThread()
31 : active_socket_count_(0) {}
33 BluetoothSocketThread::~BluetoothSocketThread() {
41 void BluetoothSocketThread::OnSocketActivate() {
42 DCHECK(thread_checker_
.CalledOnValidThread());
43 active_socket_count_
++;
47 void BluetoothSocketThread::OnSocketDeactivate() {
48 DCHECK(thread_checker_
.CalledOnValidThread());
49 active_socket_count_
--;
52 void BluetoothSocketThread::EnsureStarted() {
53 DCHECK(thread_checker_
.CalledOnValidThread());
57 base::Thread::Options thread_options
;
58 thread_options
.message_loop_type
= base::MessageLoop::TYPE_IO
;
59 thread_
.reset(new base::Thread("BluetoothSocketThread"));
60 thread_
->StartWithOptions(thread_options
);
61 task_runner_
= thread_
->task_runner();
64 scoped_refptr
<base::SequencedTaskRunner
> BluetoothSocketThread::task_runner()
66 DCHECK(active_socket_count_
> 0);
68 DCHECK(task_runner_
.get());