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// Copyright (c) 2012 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 REMOTING_JINGLE_GLUE_JINGLE_THREAD_H_
#define REMOTING_JINGLE_GLUE_JINGLE_THREAD_H_

#include "base/message_loop.h"
#include "base/tracked_objects.h"
#include "base/synchronization/waitable_event.h"
#include "third_party/libjingle/source/talk/base/messagequeue.h"
#include "third_party/libjingle/source/talk/base/taskrunner.h"
#include "third_party/libjingle/source/talk/base/thread.h"

namespace base {
class MessageLoopProxy;
}  // namespace base

namespace remoting {

class TaskPump : public talk_base::MessageHandler,
                 public talk_base::TaskRunner {
 public:
  TaskPump();

  // TaskRunner methods.
  virtual void WakeTasks() OVERRIDE;
  virtual int64 CurrentTime() OVERRIDE;

  // MessageHandler methods.
  virtual void OnMessage(talk_base::Message* pmsg) OVERRIDE;
};

class JingleThreadMessageLoop : public MessageLoop {
 public:
  explicit JingleThreadMessageLoop(talk_base::Thread* thread);
  virtual ~JingleThreadMessageLoop();

 private:
  DISALLOW_COPY_AND_ASSIGN(JingleThreadMessageLoop);
};

// TODO(sergeyu): This class should be changed to inherit from Chromiums
// base::Thread instead of libjingle's thread.
class JingleThread : public talk_base::Thread {
 public:
  JingleThread();
  virtual ~JingleThread();

  bool Start();

  // Main function for the thread. Should not be called directly.
  virtual void Run() OVERRIDE;

  // Stop the thread.
  virtual void Stop() OVERRIDE;

  // Returns Chromiums message loop for this thread.
  MessageLoop* message_loop();
  base::MessageLoopProxy* message_loop_proxy();

  // Returns task pump if the thread is running, otherwise NULL is returned.
  TaskPump* task_pump();

 private:
  TaskPump* task_pump_;
  base::WaitableEvent started_event_;
  base::WaitableEvent stopped_event_;
  MessageLoop* message_loop_;
  scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;

  DISALLOW_COPY_AND_ASSIGN(JingleThread);
};

}  // namespace remoting

#endif  // REMOTING_JINGLE_GLUE_JINGLE_THREAD_H_