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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 "base/message_loop_proxy_impl.h" | 5 #include "base/message_loop_proxy_impl.h" |
| 6 | 6 |
| 7 #include "base/location.h" | 7 #include "base/location.h" |
| 8 #include "base/threading/thread_restrictions.h" | 8 #include "base/threading/thread_restrictions.h" |
| 9 | 9 |
| 10 namespace base { | 10 namespace base { |
| 11 | 11 |
| 12 MessageLoopProxyImpl::~MessageLoopProxyImpl() { | 12 MessageLoopProxyImpl::~MessageLoopProxyImpl() { |
| 13 } | 13 } |
| 14 | 14 |
| 15 // This function will be removed later in the fixing of CR Bug #108171. |
| 16 bool MessageLoopProxyImpl::PostDelayedTask( |
| 17 const tracked_objects::Location& from_here, |
| 18 const base::Closure& task, |
| 19 int64 delay_ms) { |
| 20 return PostDelayedTask( |
| 21 from_here, task, base::TimeDelta::FromMilliseconds(delay_ms)); |
| 22 } |
| 23 |
| 24 // This function will be removed later in the fixing of CR Bug #108171. |
| 25 bool MessageLoopProxyImpl::PostNonNestableDelayedTask( |
| 26 const tracked_objects::Location& from_here, |
| 27 const base::Closure& task, |
| 28 int64 delay_ms) { |
| 29 return PostNonNestableDelayedTask( |
| 30 from_here, task, base::TimeDelta::FromMilliseconds(delay_ms)); |
| 31 } |
| 32 |
| 15 bool MessageLoopProxyImpl::PostDelayedTask( | 33 bool MessageLoopProxyImpl::PostDelayedTask( |
| 16 const tracked_objects::Location& from_here, | 34 const tracked_objects::Location& from_here, |
| 17 const base::Closure& task, | 35 const base::Closure& task, |
| 18 int64 delay_ms) { | 36 base::TimeDelta delay) { |
| 19 return PostTaskHelper(from_here, task, delay_ms, true); | 37 return PostTaskHelper(from_here, task, delay, true); |
| 20 } | 38 } |
| 21 | 39 |
| 22 bool MessageLoopProxyImpl::PostNonNestableDelayedTask( | 40 bool MessageLoopProxyImpl::PostNonNestableDelayedTask( |
| 23 const tracked_objects::Location& from_here, | 41 const tracked_objects::Location& from_here, |
| 24 const base::Closure& task, | 42 const base::Closure& task, |
| 25 int64 delay_ms) { | 43 base::TimeDelta delay) { |
| 26 return PostTaskHelper(from_here, task, delay_ms, false); | 44 return PostTaskHelper(from_here, task, delay, false); |
| 27 } | 45 } |
| 28 | 46 |
| 29 bool MessageLoopProxyImpl::RunsTasksOnCurrentThread() const { | 47 bool MessageLoopProxyImpl::RunsTasksOnCurrentThread() const { |
| 30 // We shouldn't use MessageLoop::current() since it uses LazyInstance which | 48 // We shouldn't use MessageLoop::current() since it uses LazyInstance which |
| 31 // may be deleted by ~AtExitManager when a WorkerPool thread calls this | 49 // may be deleted by ~AtExitManager when a WorkerPool thread calls this |
| 32 // function. | 50 // function. |
| 33 // http://crbug.com/63678 | 51 // http://crbug.com/63678 |
| 34 base::ThreadRestrictions::ScopedAllowSingleton allow_singleton; | 52 base::ThreadRestrictions::ScopedAllowSingleton allow_singleton; |
| 35 AutoLock lock(message_loop_lock_); | 53 AutoLock lock(message_loop_lock_); |
| 36 return (target_message_loop_ && | 54 return (target_message_loop_ && |
| (...skipping 24 matching lines...) Expand all Loading... |
| 61 if (!delete_later) | 79 if (!delete_later) |
| 62 delete this; | 80 delete this; |
| 63 } | 81 } |
| 64 | 82 |
| 65 MessageLoopProxyImpl::MessageLoopProxyImpl() | 83 MessageLoopProxyImpl::MessageLoopProxyImpl() |
| 66 : target_message_loop_(MessageLoop::current()) { | 84 : target_message_loop_(MessageLoop::current()) { |
| 67 } | 85 } |
| 68 | 86 |
| 69 bool MessageLoopProxyImpl::PostTaskHelper( | 87 bool MessageLoopProxyImpl::PostTaskHelper( |
| 70 const tracked_objects::Location& from_here, const base::Closure& task, | 88 const tracked_objects::Location& from_here, const base::Closure& task, |
| 71 int64 delay_ms, bool nestable) { | 89 base::TimeDelta delay, bool nestable) { |
| 72 AutoLock lock(message_loop_lock_); | 90 AutoLock lock(message_loop_lock_); |
| 73 if (target_message_loop_) { | 91 if (target_message_loop_) { |
| 74 base::TimeDelta delay = base::TimeDelta::FromMilliseconds(delay_ms); | |
| 75 if (nestable) { | 92 if (nestable) { |
| 76 target_message_loop_->PostDelayedTask(from_here, task, delay); | 93 target_message_loop_->PostDelayedTask(from_here, task, delay); |
| 77 } else { | 94 } else { |
| 78 target_message_loop_->PostNonNestableDelayedTask(from_here, task, delay); | 95 target_message_loop_->PostNonNestableDelayedTask(from_here, task, delay); |
| 79 } | 96 } |
| 80 return true; | 97 return true; |
| 81 } | 98 } |
| 82 return false; | 99 return false; |
| 83 } | 100 } |
| 84 | 101 |
| 85 scoped_refptr<MessageLoopProxy> | 102 scoped_refptr<MessageLoopProxy> |
| 86 MessageLoopProxy::current() { | 103 MessageLoopProxy::current() { |
| 87 MessageLoop* cur_loop = MessageLoop::current(); | 104 MessageLoop* cur_loop = MessageLoop::current(); |
| 88 if (!cur_loop) | 105 if (!cur_loop) |
| 89 return NULL; | 106 return NULL; |
| 90 return cur_loop->message_loop_proxy(); | 107 return cur_loop->message_loop_proxy(); |
| 91 } | 108 } |
| 92 | 109 |
| 93 } // namespace base | 110 } // namespace base |
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