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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 WEBKIT_GLUE_WORKER_TASK_RUNNER_H_ | 5 #ifndef WEBKIT_CHILD_WORKER_TASK_RUNNER_H_ |
| 6 #define WEBKIT_GLUE_WORKER_TASK_RUNNER_H_ | 6 #define WEBKIT_CHILD_WORKER_TASK_RUNNER_H_ |
| 7 | 7 |
| 8 #include <map> | 8 #include <map> |
| 9 | 9 |
| 10 #include "base/atomic_sequence_num.h" | 10 #include "base/atomic_sequence_num.h" |
| 11 #include "base/callback_forward.h" | 11 #include "base/callback_forward.h" |
| 12 #include "base/synchronization/lock.h" | 12 #include "base/synchronization/lock.h" |
| 13 #include "base/threading/thread_local.h" | 13 #include "base/threading/thread_local.h" |
| 14 #include "third_party/WebKit/public/platform/WebWorkerRunLoop.h" | 14 #include "third_party/WebKit/public/platform/WebWorkerRunLoop.h" |
| 15 #include "webkit/glue/webkit_glue_export.h" | 15 #include "webkit/child/webkit_child_export.h" |
| 16 | 16 |
| 17 namespace webkit_glue { | 17 namespace webkit_glue { |
| 18 | 18 |
| 19 class WEBKIT_GLUE_EXPORT WorkerTaskRunner { | 19 class WEBKIT_CHILD_EXPORT WorkerTaskRunner { |
| 20 public: | 20 public: |
| 21 WorkerTaskRunner(); | 21 WorkerTaskRunner(); |
| 22 | 22 |
| 23 bool PostTask(int id, const base::Closure& task); | 23 bool PostTask(int id, const base::Closure& task); |
| 24 int CurrentWorkerId(); | 24 int CurrentWorkerId(); |
| 25 static WorkerTaskRunner* Instance(); | 25 static WorkerTaskRunner* Instance(); |
| 26 | 26 |
| 27 class WEBKIT_GLUE_EXPORT Observer { | 27 class WEBKIT_CHILD_EXPORT Observer { |
| 28 public: | 28 public: |
| 29 virtual ~Observer() {} | 29 virtual ~Observer() {} |
| 30 virtual void OnWorkerRunLoopStopped() = 0; | 30 virtual void OnWorkerRunLoopStopped() = 0; |
| 31 }; | 31 }; |
| 32 // Add/Remove an observer that will get notified when the current worker run | 32 // Add/Remove an observer that will get notified when the current worker run |
| 33 // loop is stopping. This observer will not get notified when other threads | 33 // loop is stopping. This observer will not get notified when other threads |
| 34 // are stopping. It's only valid to call these on a worker thread. | 34 // are stopping. It's only valid to call these on a worker thread. |
| 35 void AddStopObserver(Observer* observer); | 35 void AddStopObserver(Observer* observer); |
| 36 void RemoveStopObserver(Observer* observer); | 36 void RemoveStopObserver(Observer* observer); |
| 37 | 37 |
| 38 private: | 38 private: |
| 39 friend class WebKitPlatformSupportImpl; | 39 friend class WebKitPlatformSupportChildImpl; |
| 40 friend class WorkerTaskRunnerTest; | 40 friend class WorkerTaskRunnerTest; |
| 41 | 41 |
| 42 typedef std::map<int, WebKit::WebWorkerRunLoop> IDToLoopMap; | 42 typedef std::map<int, WebKit::WebWorkerRunLoop> IDToLoopMap; |
| 43 | 43 |
| 44 ~WorkerTaskRunner(); | 44 ~WorkerTaskRunner(); |
| 45 void OnWorkerRunLoopStarted(const WebKit::WebWorkerRunLoop& loop); | 45 void OnWorkerRunLoopStarted(const WebKit::WebWorkerRunLoop& loop); |
| 46 void OnWorkerRunLoopStopped(const WebKit::WebWorkerRunLoop& loop); | 46 void OnWorkerRunLoopStopped(const WebKit::WebWorkerRunLoop& loop); |
| 47 | 47 |
| 48 struct ThreadLocalState; | 48 struct ThreadLocalState; |
| 49 base::ThreadLocalPointer<ThreadLocalState> current_tls_; | 49 base::ThreadLocalPointer<ThreadLocalState> current_tls_; |
| 50 | 50 |
| 51 base::AtomicSequenceNumber id_sequence_; | 51 base::AtomicSequenceNumber id_sequence_; |
| 52 IDToLoopMap loop_map_; | 52 IDToLoopMap loop_map_; |
| 53 base::Lock loop_map_lock_; | 53 base::Lock loop_map_lock_; |
| 54 }; | 54 }; |
| 55 | 55 |
| 56 } // namespace webkit_glue | 56 } // namespace webkit_glue |
| 57 | 57 |
| 58 #endif // WEBKIT_GLUE_WORKER_TASK_RUNNER_H_ | 58 #endif // WEBKIT_CHILD_WORKER_TASK_RUNNER_H_ |
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