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| 1 // Copyright (c) 2011 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. | |
| 4 | |
| 5 #include "remoting/base/scoped_thread_proxy.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 | |
| 9 namespace remoting { | |
| 10 | |
| 11 class ScopedThreadProxy::Core : public base::RefCountedThreadSafe<Core> { | |
| 12 public: | |
| 13 Core(base::MessageLoopProxy* message_loop) | |
| 14 : message_loop_(message_loop), | |
| 15 canceled_(false) { | |
| 16 } | |
| 17 | |
| 18 void PostTask(const tracked_objects::Location& from_here, | |
| 19 const base::Closure& closure) { | |
| 20 if (!canceled_) | |
| 21 message_loop_->PostTask(from_here, Wrap(closure)); | |
| 22 } | |
| 23 | |
| 24 void PostDelayedTask( | |
| 25 const tracked_objects::Location& from_here, | |
| 26 const base::Closure& closure, | |
| 27 int64 delay_ms) { | |
| 28 if (!canceled_) { | |
| 29 message_loop_->PostDelayedTask(from_here, Wrap(closure), delay_ms); | |
| 30 } | |
| 31 } | |
| 32 | |
| 33 void Detach() { | |
| 34 DCHECK(message_loop_->BelongsToCurrentThread()); | |
| 35 canceled_ = true; | |
| 36 } | |
| 37 | |
| 38 private: | |
| 39 friend class base::RefCountedThreadSafe<Core>; | |
| 40 | |
| 41 ~Core() { | |
| 42 DCHECK(canceled_); | |
| 43 } | |
| 44 | |
| 45 base::Closure Wrap(const base::Closure& closure) { | |
| 46 return base::Bind(&Core::CallClosure, this, closure); | |
| 47 } | |
| 48 | |
| 49 void CallClosure(const base::Closure& closure) { | |
| 50 DCHECK(message_loop_->BelongsToCurrentThread()); | |
| 51 | |
| 52 if (!canceled_) | |
| 53 closure.Run(); | |
| 54 } | |
| 55 | |
| 56 scoped_refptr<base::MessageLoopProxy> message_loop_; | |
| 57 bool canceled_; | |
| 58 | |
| 59 DISALLOW_COPY_AND_ASSIGN(Core); | |
| 60 }; | |
| 61 | |
| 62 ScopedThreadProxy::ScopedThreadProxy(base::MessageLoopProxy* message_loop) | |
| 63 : core_(new Core(message_loop)) { | |
| 64 } | |
| 65 | |
| 66 ScopedThreadProxy::~ScopedThreadProxy() { | |
| 67 Detach(); | |
| 68 } | |
| 69 | |
| 70 void ScopedThreadProxy::PostTask(const tracked_objects::Location& from_here, | |
| 71 const base::Closure& closure) { | |
| 72 core_->PostTask(from_here, closure); | |
| 73 } | |
| 74 | |
| 75 void ScopedThreadProxy::PostDelayedTask( | |
| 76 const tracked_objects::Location& from_here, | |
| 77 const base::Closure& closure, | |
| 78 int64 delay_ms) { | |
| 79 core_->PostDelayedTask(from_here, closure, delay_ms); | |
| 80 } | |
| 81 | |
| 82 void ScopedThreadProxy::Detach() { | |
| 83 core_->Detach(); | |
| 84 } | |
| 85 | |
| 86 } // namespace remoting | |
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Chromium Code Reviews
Issue 10454040:
Replace ScopedThreadProxy with MessageLoopProxy & WeakPtrs. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src