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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 #ifndef STORAGE_BROWSER_FILEAPI_TASK_RUNNER_BOUND_OBSERVER_LIST_H_ | 5 #ifndef STORAGE_BROWSER_FILEAPI_TASK_RUNNER_BOUND_OBSERVER_LIST_H_ |
| 6 #define STORAGE_BROWSER_FILEAPI_TASK_RUNNER_BOUND_OBSERVER_LIST_H_ | 6 #define STORAGE_BROWSER_FILEAPI_TASK_RUNNER_BOUND_OBSERVER_LIST_H_ |
| 7 | 7 |
| 8 #include <map> | 8 #include <map> |
| 9 | 9 |
| 10 #include "base/bind.h" | 10 #include "base/bind.h" |
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| 62 | 62 |
| 63 // Notify on the task runner that is given to AddObserver. | 63 // Notify on the task runner that is given to AddObserver. |
| 64 // If we're already on the runner this just dispatches the method. | 64 // If we're already on the runner this just dispatches the method. |
| 65 template <class Method, class Params> | 65 template <class Method, class Params> |
| 66 void Notify(Method method, const Params& params) const { | 66 void Notify(Method method, const Params& params) const { |
| 67 static_assert( | 67 static_assert( |
| 68 (base::internal::ParamsUseScopedRefptrCorrectly<Params>::value), | 68 (base::internal::ParamsUseScopedRefptrCorrectly<Params>::value), |
| 69 "bad unbound method params"); | 69 "bad unbound method params"); |
| 70 for (typename ObserversListMap::const_iterator it = observers_.begin(); | 70 for (typename ObserversListMap::const_iterator it = observers_.begin(); |
| 71 it != observers_.end(); ++it) { | 71 it != observers_.end(); ++it) { |
| 72 if (!it->second.get() || it->second->RunsTasksOnCurrentThread()) { | 72 if (!it->second.get() || it->second->RunsTasksInCurrentSequence()) { |
| 73 base::DispatchToMethod(it->first, method, params); | 73 base::DispatchToMethod(it->first, method, params); |
| 74 continue; | 74 continue; |
| 75 } | 75 } |
| 76 it->second->PostTask( | 76 it->second->PostTask( |
| 77 FROM_HERE, | 77 FROM_HERE, |
| 78 base::Bind(&NotifyWrapper<ObserverStoreType, Method, Params>, | 78 base::Bind(&NotifyWrapper<ObserverStoreType, Method, Params>, |
| 79 it->first, method, params)); | 79 it->first, method, params)); |
| 80 } | 80 } |
| 81 } | 81 } |
| 82 | 82 |
| 83 private: | 83 private: |
| 84 ObserversListMap observers_; | 84 ObserversListMap observers_; |
| 85 }; | 85 }; |
| 86 | 86 |
| 87 class FileAccessObserver; | 87 class FileAccessObserver; |
| 88 class FileChangeObserver; | 88 class FileChangeObserver; |
| 89 class FileUpdateObserver; | 89 class FileUpdateObserver; |
| 90 | 90 |
| 91 typedef TaskRunnerBoundObserverList<FileAccessObserver> AccessObserverList; | 91 typedef TaskRunnerBoundObserverList<FileAccessObserver> AccessObserverList; |
| 92 typedef TaskRunnerBoundObserverList<FileChangeObserver> ChangeObserverList; | 92 typedef TaskRunnerBoundObserverList<FileChangeObserver> ChangeObserverList; |
| 93 typedef TaskRunnerBoundObserverList<FileUpdateObserver> UpdateObserverList; | 93 typedef TaskRunnerBoundObserverList<FileUpdateObserver> UpdateObserverList; |
| 94 | 94 |
| 95 } // namespace storage | 95 } // namespace storage |
| 96 | 96 |
| 97 #endif // STORAGE_BROWSER_FILEAPI_TASK_RUNNER_BOUND_OBSERVER_LIST_H_ | 97 #endif // STORAGE_BROWSER_FILEAPI_TASK_RUNNER_BOUND_OBSERVER_LIST_H_ |
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