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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "device/bluetooth/bluetooth_socket_thread_win.h" | 5 #include "device/bluetooth/bluetooth_socket_thread.h" |
| 6 | 6 |
| 7 #include "base/lazy_instance.h" | 7 #include "base/lazy_instance.h" |
| 8 #include "base/sequenced_task_runner.h" | 8 #include "base/sequenced_task_runner.h" |
| 9 #include "base/threading/thread.h" | 9 #include "base/threading/thread.h" |
| 10 | 10 |
| 11 namespace device { | 11 namespace device { |
| 12 | 12 |
| 13 base::LazyInstance<scoped_refptr<BluetoothSocketThreadWin> > g_instance = | 13 base::LazyInstance<scoped_refptr<BluetoothSocketThread> > g_instance = |
| 14 LAZY_INSTANCE_INITIALIZER; | 14 LAZY_INSTANCE_INITIALIZER; |
| 15 | 15 |
| 16 // static | 16 // static |
| 17 scoped_refptr<BluetoothSocketThreadWin> BluetoothSocketThreadWin::Get() { | 17 scoped_refptr<BluetoothSocketThread> BluetoothSocketThread::Get() { |
| 18 if (!g_instance.Get().get()) { | 18 if (!g_instance.Get().get()) { |
| 19 g_instance.Get() = new BluetoothSocketThreadWin(); | 19 g_instance.Get() = new BluetoothSocketThread(); |
| 20 } | 20 } |
| 21 return g_instance.Get(); | 21 return g_instance.Get(); |
| 22 } | 22 } |
| 23 | 23 |
| 24 BluetoothSocketThreadWin::BluetoothSocketThreadWin() | 24 BluetoothSocketThread::BluetoothSocketThread() |
| 25 : active_socket_count_(0) {} | 25 : active_socket_count_(0) {} |
| 26 | 26 |
| 27 BluetoothSocketThreadWin::~BluetoothSocketThreadWin() {} | 27 BluetoothSocketThread::~BluetoothSocketThread() {} |
| 28 | 28 |
| 29 void BluetoothSocketThreadWin::OnSocketActivate() { | 29 void BluetoothSocketThread::OnSocketActivate() { |
| 30 DCHECK(thread_checker_.CalledOnValidThread()); | 30 DCHECK(thread_checker_.CalledOnValidThread()); |
| 31 active_socket_count_++; | 31 active_socket_count_++; |
| 32 EnsureStarted(); | 32 EnsureStarted(); |
| 33 } | 33 } |
| 34 | 34 |
| 35 void BluetoothSocketThreadWin::OnSocketDeactivate() { | 35 void BluetoothSocketThread::OnSocketDeactivate() { |
| 36 DCHECK(thread_checker_.CalledOnValidThread()); | 36 DCHECK(thread_checker_.CalledOnValidThread()); |
| 37 active_socket_count_--; | 37 active_socket_count_--; |
| 38 if (active_socket_count_ == 0 && thread_) { | 38 if (active_socket_count_ == 0 && thread_) { |
| 39 thread_->Stop(); | 39 thread_->Stop(); |
| 40 thread_.reset(NULL); | 40 thread_.reset(NULL); |
| 41 task_runner_ = NULL; | 41 task_runner_ = NULL; |
| 42 } | 42 } |
| 43 } | 43 } |
| 44 | 44 |
| 45 void BluetoothSocketThreadWin::EnsureStarted() { | 45 void BluetoothSocketThread::EnsureStarted() { |
| 46 DCHECK(thread_checker_.CalledOnValidThread()); | 46 DCHECK(thread_checker_.CalledOnValidThread()); |
| 47 if (thread_) | 47 if (thread_) |
| 48 return; | 48 return; |
| 49 | 49 |
| 50 base::Thread::Options thread_options; | 50 base::Thread::Options thread_options; |
| 51 thread_options.message_loop_type = base::MessageLoop::TYPE_IO; | 51 thread_options.message_loop_type = base::MessageLoop::TYPE_IO; |
| 52 thread_.reset(new base::Thread("BluetoothSocketThreadWin")); | 52 thread_.reset(new base::Thread("BluetoothSocketThread")); |
| 53 thread_->StartWithOptions(thread_options); | 53 thread_->StartWithOptions(thread_options); |
| 54 task_runner_ = thread_->message_loop_proxy(); | 54 task_runner_ = thread_->message_loop_proxy(); |
| 55 } | 55 } |
| 56 | 56 |
| 57 scoped_refptr<base::SequencedTaskRunner> BluetoothSocketThreadWin::task_runner() | 57 scoped_refptr<base::SequencedTaskRunner> BluetoothSocketThread::task_runner() |
| 58 const { | 58 const { |
| 59 DCHECK(active_socket_count_ > 0); | 59 DCHECK(active_socket_count_ > 0); |
| 60 DCHECK(thread_); | 60 DCHECK(thread_); |
| 61 DCHECK(task_runner_); | 61 DCHECK(task_runner_); |
| 62 | 62 |
| 63 return task_runner_; | 63 return task_runner_; |
| 64 } | 64 } |
| 65 | 65 |
| 66 } // namespace device | 66 } // namespace device |
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