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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 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 | 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 #ifndef BASE_MESSAGE_LOOP_PROXY_IMPL_H_ | 5 #ifndef BASE_MESSAGE_LOOP_PROXY_IMPL_H_ |
| 6 #define BASE_MESSAGE_LOOP_PROXY_IMPL_H_ | 6 #define BASE_MESSAGE_LOOP_PROXY_IMPL_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include "base/base_api.h" | 9 #include "base/base_export.h" |
| 10 #include "base/message_loop.h" | 10 #include "base/message_loop.h" |
| 11 #include "base/message_loop_proxy.h" | 11 #include "base/message_loop_proxy.h" |
| 12 #include "base/synchronization/lock.h" | 12 #include "base/synchronization/lock.h" |
| 13 | 13 |
| 14 namespace base { | 14 namespace base { |
| 15 | 15 |
| 16 // A stock implementation of MessageLoopProxy that takes in a MessageLoop | 16 // A stock implementation of MessageLoopProxy that takes in a MessageLoop |
| 17 // and keeps track of its lifetime using the MessageLoop DestructionObserver. | 17 // and keeps track of its lifetime using the MessageLoop DestructionObserver. |
| 18 // For now a MessageLoopProxyImpl can only be created for the current thread. | 18 // For now a MessageLoopProxyImpl can only be created for the current thread. |
| 19 class BASE_API MessageLoopProxyImpl : public MessageLoopProxy, | 19 class BASE_EXPORT MessageLoopProxyImpl |
| 20 public MessageLoop::DestructionObserver { | 20 : public MessageLoopProxy, |
| 21 public MessageLoop::DestructionObserver { |
| 21 public: | 22 public: |
| 22 virtual ~MessageLoopProxyImpl(); | 23 virtual ~MessageLoopProxyImpl(); |
| 23 | 24 |
| 24 // MessageLoopProxy implementation | 25 // MessageLoopProxy implementation |
| 25 virtual bool PostTask(const tracked_objects::Location& from_here, | 26 virtual bool PostTask(const tracked_objects::Location& from_here, |
| 26 Task* task); | 27 Task* task); |
| 27 virtual bool PostDelayedTask(const tracked_objects::Location& from_here, | 28 virtual bool PostDelayedTask(const tracked_objects::Location& from_here, |
| 28 Task* task, | 29 Task* task, |
| 29 int64 delay_ms); | 30 int64 delay_ms); |
| 30 virtual bool PostNonNestableTask(const tracked_objects::Location& from_here, | 31 virtual bool PostNonNestableTask(const tracked_objects::Location& from_here, |
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| 72 // The lock that protects access to target_message_loop_. | 73 // The lock that protects access to target_message_loop_. |
| 73 mutable base::Lock message_loop_lock_; | 74 mutable base::Lock message_loop_lock_; |
| 74 MessageLoop* target_message_loop_; | 75 MessageLoop* target_message_loop_; |
| 75 | 76 |
| 76 DISALLOW_COPY_AND_ASSIGN(MessageLoopProxyImpl); | 77 DISALLOW_COPY_AND_ASSIGN(MessageLoopProxyImpl); |
| 77 }; | 78 }; |
| 78 | 79 |
| 79 } // namespace base | 80 } // namespace base |
| 80 | 81 |
| 81 #endif // BASE_MESSAGE_LOOP_PROXY_IMPL_H_ | 82 #endif // BASE_MESSAGE_LOOP_PROXY_IMPL_H_ |
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