webkit/child/webthread_impl.h

   1 // Copyright 2013 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 #ifndef WEBKIT_CHILD_WEBTHREAD_IMPL_H_
   5 #define WEBKIT_CHILD_WEBTHREAD_IMPL_H_
   6
   7 #include <map>
   8
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/threading/thread.h"
  11 #include "third_party/WebKit/public/platform/WebThread.h"
  12 #include "webkit/child/webkit_child_export.h"
  13
  14 namespace webkit_glue {
  15
  16 class 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
  35 class WebThreadImpl : public WebThreadBase {
  36  public:
  37   WEBKIT_CHILD_EXPORT explicit WebThreadImpl(const char* name);
  38   WEBKIT_CHILD_EXPORT 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  private:
  49   virtual bool isCurrentThread() const OVERRIDE;
  50   scoped_ptr<base::Thread> thread_;
  51 };
  52
  53 class WebThreadImplForMessageLoop : public WebThreadBase {
  54  public:
  55   WEBKIT_CHILD_EXPORT explicit WebThreadImplForMessageLoop(
  56       base::MessageLoopProxy* message_loop);
  57   WEBKIT_CHILD_EXPORT virtual ~WebThreadImplForMessageLoop();
  58
  59   virtual void postTask(Task* task);
  60   virtual void postDelayedTask(Task* task, long long delay_ms);
  61
  62   virtual void enterRunLoop();
  63   virtual void exitRunLoop();
  64
  65  private:
  66   virtual bool isCurrentThread() const OVERRIDE;
  67   scoped_refptr<base::MessageLoopProxy> message_loop_;
  68 };
  69
  70 } // namespace webkit_glue
  71
  72 #endif  // WEBKIT_CHILD_WEBTHREAD_IMPL_H_