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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 COMPONENTS_SCHEDULER_CHILD_WEBTHREAD_BASE_H_ | 5 #ifndef COMPONENTS_SCHEDULER_CHILD_WEBTHREAD_BASE_H_ |
6 #define COMPONENTS_SCHEDULER_CHILD_WEBTHREAD_BASE_H_ | 6 #define COMPONENTS_SCHEDULER_CHILD_WEBTHREAD_BASE_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 | 9 |
10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
11 #include "base/threading/thread.h" | 11 #include "base/threading/thread.h" |
12 #include "components/scheduler/scheduler_export.h" | 12 #include "components/scheduler/scheduler_export.h" |
13 #include "third_party/WebKit/public/platform/WebThread.h" | 13 #include "third_party/WebKit/public/platform/WebThread.h" |
14 | 14 |
15 namespace blink { | 15 namespace blink { |
16 class WebTraceLocation; | 16 class WebTraceLocation; |
17 } | 17 } |
18 | 18 |
19 namespace scheduler { | 19 namespace scheduler { |
20 class SingleThreadIdleTaskRunner; | 20 class SingleThreadIdleTaskRunner; |
21 | 21 |
22 class SCHEDULER_EXPORT WebThreadBase : public blink::WebThread { | 22 class SCHEDULER_EXPORT WebThreadBase : public blink::WebThread { |
23 public: | 23 public: |
24 virtual ~WebThreadBase(); | 24 virtual ~WebThreadBase(); |
25 | 25 |
26 // blink::WebThread implementation. | 26 // blink::WebThread implementation. |
27 virtual bool isCurrentThread() const; | 27 virtual bool isCurrentThread() const; |
28 virtual blink::PlatformThreadId threadId() const = 0; | 28 virtual blink::PlatformThreadId threadId() const = 0; |
29 | 29 |
30 virtual void postTask(const blink::WebTraceLocation& location, Task* task); | |
31 virtual void postDelayedTask(const blink::WebTraceLocation& location, | |
32 Task* task, | |
33 long long delay_ms); | |
34 virtual void postIdleTask(const blink::WebTraceLocation& location, | 30 virtual void postIdleTask(const blink::WebTraceLocation& location, |
35 IdleTask* idle_task); | 31 IdleTask* idle_task); |
36 virtual void postIdleTaskAfterWakeup(const blink::WebTraceLocation& location, | 32 virtual void postIdleTaskAfterWakeup(const blink::WebTraceLocation& location, |
37 IdleTask* idle_task); | 33 IdleTask* idle_task); |
38 | 34 |
39 virtual void addTaskObserver(TaskObserver* observer); | 35 virtual void addTaskObserver(TaskObserver* observer); |
40 virtual void removeTaskObserver(TaskObserver* observer); | 36 virtual void removeTaskObserver(TaskObserver* observer); |
41 | 37 |
42 // Returns the base::Bind-compatible task runner for posting tasks to this | 38 // Returns the base::Bind-compatible task runner for posting tasks to this |
43 // thread. Can be called from any thread. | 39 // thread. Can be called from any thread. |
44 virtual base::SingleThreadTaskRunner* TaskRunner() const = 0; | 40 virtual base::SingleThreadTaskRunner* TaskRunner() const = 0; |
45 | 41 |
46 // Returns the base::Bind-compatible task runner for posting idle tasks to | 42 // Returns the base::Bind-compatible task runner for posting idle tasks to |
47 // this thread. Can be called from any thread. | 43 // this thread. Can be called from any thread. |
48 virtual scheduler::SingleThreadIdleTaskRunner* IdleTaskRunner() const = 0; | 44 virtual scheduler::SingleThreadIdleTaskRunner* IdleTaskRunner() const = 0; |
49 | 45 |
50 protected: | 46 protected: |
51 class TaskObserverAdapter; | 47 class TaskObserverAdapter; |
52 | 48 |
53 WebThreadBase(); | 49 WebThreadBase(); |
54 | 50 |
55 virtual void AddTaskObserverInternal( | 51 virtual void AddTaskObserverInternal( |
56 base::MessageLoop::TaskObserver* observer); | 52 base::MessageLoop::TaskObserver* observer); |
57 virtual void RemoveTaskObserverInternal( | 53 virtual void RemoveTaskObserverInternal( |
58 base::MessageLoop::TaskObserver* observer); | 54 base::MessageLoop::TaskObserver* observer); |
59 | 55 |
60 static void RunWebThreadTask(scoped_ptr<blink::WebThread::Task> task); | |
61 static void RunWebThreadIdleTask( | 56 static void RunWebThreadIdleTask( |
62 scoped_ptr<blink::WebThread::IdleTask> idle_task, | 57 scoped_ptr<blink::WebThread::IdleTask> idle_task, |
63 base::TimeTicks deadline); | 58 base::TimeTicks deadline); |
64 | 59 |
65 private: | 60 private: |
66 typedef std::map<TaskObserver*, TaskObserverAdapter*> TaskObserverMap; | 61 typedef std::map<TaskObserver*, TaskObserverAdapter*> TaskObserverMap; |
67 TaskObserverMap task_observer_map_; | 62 TaskObserverMap task_observer_map_; |
68 }; | 63 }; |
69 | 64 |
70 } // namespace scheduler | 65 } // namespace scheduler |
71 | 66 |
72 #endif // COMPONENTS_SCHEDULER_CHILD_WEBTHREAD_BASE_H_ | 67 #endif // COMPONENTS_SCHEDULER_CHILD_WEBTHREAD_BASE_H_ |
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