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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "remoting/base/stoppable.h" | 5 #include "remoting/base/stoppable.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | |
| 7 #include "base/message_loop.h" | 8 #include "base/message_loop.h" |
| 8 #include "base/single_thread_task_runner.h" | 9 #include "base/single_thread_task_runner.h" |
| 9 | 10 |
| 10 namespace remoting { | 11 namespace remoting { |
| 11 | 12 |
| 12 Stoppable::Stoppable( | 13 Stoppable::Stoppable( |
| 13 scoped_refptr<base::SingleThreadTaskRunner> task_runner, | 14 scoped_refptr<base::SingleThreadTaskRunner> task_runner, |
| 14 const base::Closure& stopped_callback) | 15 const base::Closure& stopped_callback) |
| 15 : state_(kRunning), | 16 : state_(kRunning), |
| 16 stopped_callback_(stopped_callback), | 17 stopped_callback_(stopped_callback), |
| 17 task_runner_(task_runner) { | 18 task_runner_(task_runner) { |
| 18 } | 19 } |
| 19 | 20 |
| 20 Stoppable::~Stoppable() { | 21 Stoppable::~Stoppable() { |
| 21 CHECK_EQ(state_, kStopped); | 22 CHECK_EQ(state_, kStopped); |
| 22 } | 23 } |
| 23 | 24 |
| 24 void Stoppable::Stop() { | 25 void Stoppable::Stop() { |
| 25 DCHECK(task_runner_->BelongsToCurrentThread()); | 26 if (!task_runner_->BelongsToCurrentThread()) { |
| 27 task_runner_->PostTask(FROM_HERE, base::Bind(&Stoppable::Stop, | |
| 28 base::Unretained(this))); | |
|
Wez
2012/08/21 00:18:57
Using base::Unretained here means that multiple St
alexeypa (please no reviews)
2012/08/21 17:16:36
Indeed, your are right. Stop() should not be ever
| |
| 29 return; | |
| 30 } | |
| 26 | 31 |
| 27 if (state_ == kRunning) { | 32 if (state_ == kRunning) { |
| 28 state_ = kStopping; | 33 state_ = kStopping; |
| 29 } | 34 } |
| 30 | 35 |
| 31 // DoStop() can be called multiple times. | 36 // DoStop() can be called multiple times. |
| 32 DoStop(); | 37 DoStop(); |
| 33 } | 38 } |
| 34 | 39 |
| 35 void Stoppable::CompleteStopping() { | 40 void Stoppable::CompleteStopping() { |
| 36 DCHECK(task_runner_->BelongsToCurrentThread()); | 41 DCHECK(task_runner_->BelongsToCurrentThread()); |
| 37 DCHECK_EQ(state_, kStopping); | 42 DCHECK_EQ(state_, kStopping); |
| 38 | 43 |
| 39 state_ = kStopped; | 44 state_ = kStopped; |
| 40 task_runner_->PostTask(FROM_HERE, stopped_callback_); | 45 task_runner_->PostTask(FROM_HERE, stopped_callback_); |
| 41 } | 46 } |
| 42 | 47 |
| 43 } // namespace remoting | 48 } // namespace remoting |
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