summaryrefslogtreecommitdiffstats
path: root/mojo/services/html_viewer/webthread_impl.h
blob: 013310dbedba95e77fa18cb89fe588dde58e7d3e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MOJO_SERVICES_HTML_VIEWER_WEBTHREAD_IMPL_H_
#define MOJO_SERVICES_HTML_VIEWER_WEBTHREAD_IMPL_H_

#include <map>

#include "base/memory/scoped_ptr.h"
#include "base/threading/thread.h"
#include "third_party/WebKit/public/platform/WebThread.h"

namespace html_viewer {

class WebThreadBase : public blink::WebThread {
 public:
  virtual ~WebThreadBase();

  virtual void addTaskObserver(TaskObserver* observer);
  virtual void removeTaskObserver(TaskObserver* observer);

  virtual bool isCurrentThread() const = 0;
  virtual blink::PlatformThreadId threadId() const = 0;

 protected:
  WebThreadBase();

 private:
  class TaskObserverAdapter;

  typedef std::map<TaskObserver*, TaskObserverAdapter*> TaskObserverMap;
  TaskObserverMap task_observer_map_;
};

class WebThreadImpl : public WebThreadBase {
 public:
  explicit WebThreadImpl(const char* name);
  virtual ~WebThreadImpl();

  virtual void postTask(const blink::WebTraceLocation& location, Task* task);
  virtual void postDelayedTask(const blink::WebTraceLocation& location,
                               Task* task,
                               long long delay_ms);

  virtual void enterRunLoop();
  virtual void exitRunLoop();

  base::MessageLoop* message_loop() const { return thread_->message_loop(); }

  virtual bool isCurrentThread() const;
  virtual blink::PlatformThreadId threadId() const;

 private:
  scoped_ptr<base::Thread> thread_;
};

class WebThreadImplForMessageLoop : public WebThreadBase {
 public:
  explicit WebThreadImplForMessageLoop(
      base::MessageLoopProxy* message_loop);
  virtual ~WebThreadImplForMessageLoop();

  virtual void postTask(const blink::WebTraceLocation& location, Task* task);
  virtual void postDelayedTask(const blink::WebTraceLocation& location,
                               Task* task,
                               long long delay_ms);

  virtual void enterRunLoop();
  virtual void exitRunLoop();

 private:
  virtual bool isCurrentThread() const;
  virtual blink::PlatformThreadId threadId() const;

  scoped_refptr<base::MessageLoopProxy> message_loop_;
  blink::PlatformThreadId thread_id_;
};

}  // namespace html_viewer

#endif  // MOJO_SERVICES_HTML_VIEWER_WEBTHREAD_IMPL_H_