webthread_impl.h revision 116680a4aac90f2aa7413d9095a592090648e557 
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
3// found in the LICENSE file.
4
5#ifndef MOJO_SERVICES_HTML_VIEWER_WEBTHREAD_IMPL_H_
6#define MOJO_SERVICES_HTML_VIEWER_WEBTHREAD_IMPL_H_
7
8#include <map>
9
10#include "base/memory/scoped_ptr.h"
11#include "base/threading/thread.h"
12#include "third_party/WebKit/public/platform/WebThread.h"
13
14namespace mojo {
15
16class WebThreadBase : public blink::WebThread {
17 public:
18  virtual ~WebThreadBase();
19
20  virtual void addTaskObserver(TaskObserver* observer);
21  virtual void removeTaskObserver(TaskObserver* observer);
22
23  virtual bool isCurrentThread() const = 0;
24
25 protected:
26  WebThreadBase();
27
28 private:
29  class TaskObserverAdapter;
30
31  typedef std::map<TaskObserver*, TaskObserverAdapter*> TaskObserverMap;
32  TaskObserverMap task_observer_map_;
33};
34
35class WebThreadImpl : public WebThreadBase {
36 public:
37  explicit WebThreadImpl(const char* name);
38  virtual ~WebThreadImpl();
39
40  virtual void postTask(Task* task);
41  virtual void postDelayedTask(Task* task, long long delay_ms);
42
43  virtual void enterRunLoop();
44  virtual void exitRunLoop();
45
46  base::MessageLoop* message_loop() const { return thread_->message_loop(); }
47
48  virtual bool isCurrentThread() const;
49
50 private:
51  scoped_ptr<base::Thread> thread_;
52};
53
54class WebThreadImplForMessageLoop : public WebThreadBase {
55 public:
56  explicit WebThreadImplForMessageLoop(
57      base::MessageLoopProxy* message_loop);
58  virtual ~WebThreadImplForMessageLoop();
59
60  virtual void postTask(Task* task);
61  virtual void postDelayedTask(Task* task, long long delay_ms);
62
63  virtual void enterRunLoop();
64  virtual void exitRunLoop();
65
66 private:
67  virtual bool isCurrentThread() const;
68  scoped_refptr<base::MessageLoopProxy> message_loop_;
69};
70
71}  // namespace mojo
72
73#endif  // MOJO_SERVICES_HTML_VIEWER_WEBTHREAD_IMPL_H_
74