Add JingleThreadWrapper.

jingle/glue/thread_wrapper.h

+// Copyright (c) 2011 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 JINGLE_GLUE_THREAD_WRAPPER_H_
+#define JINGLE_GLUE_THREAD_WRAPPER_H_
+
+#include "base/message_loop.h"
+#include "base/synchronization/lock.h"
+#include "third_party/libjingle/source/talk/base/thread.h"
+
+class MessageLoop;
+
+namespace jingle_glue {
+
+class JingleThreadWrapper

[Alpha Left Google, 2011/03/26 01:06:01]

Add a short comment here to explain what this is doing.

[Sergey Ulanov, 2011/03/26 01:44:24]

Done.

+    : public MessageLoop::DestructionObserver,
+      public talk_base::Thread {
+ public:
+  JingleThreadWrapper(MessageLoop* message_loop);
+
+  // MessageLoop::DestructionObserver implementation.
+  virtual void WillDestroyCurrentMessageLoop() OVERRIDE;
+
+  // talk_base::MessageQueue overrides.
+  virtual void Post(talk_base::MessageHandler *phandler, uint32 id = 0,
+                    talk_base::MessageData *pdata = NULL,
+                    bool time_sensitive = false) OVERRIDE;
+  virtual void PostDelayed(
+      int delay_ms, talk_base::MessageHandler* handler, uint32 id = 0,
+      talk_base::MessageData* data = NULL) OVERRIDE;
+  virtual void Clear(talk_base::MessageHandler* handler,
+                     uint32 id = talk_base::MQID_ANY,
+                     talk_base::MessageList* removed = NULL) OVERRIDE;
+
+  // Following methods are not supported, and should not be used. They
+  // are overriden just to ensure that they are not called.
+  virtual void Quit() OVERRIDE;
+  virtual bool IsQuitting() OVERRIDE;
+  virtual void Restart() OVERRIDE;
+  virtual bool Get(talk_base::Message* msg, int delay_ms = talk_base::kForever,
+                   bool process_io = true) OVERRIDE;
+  virtual bool Peek(talk_base::Message* msg, int delay_ms = 0) OVERRIDE;
+  virtual void PostAt(
+      uint32 timestamp, talk_base::MessageHandler* handler,
+      uint32 id = 0, talk_base::MessageData* data = NULL) OVERRIDE;
+  virtual void Dispatch(talk_base::Message* msg) OVERRIDE;
+  virtual void ReceiveSends() OVERRIDE;
+  virtual int GetDelay() OVERRIDE;
+
+  // talk_base::Thread overrides.
+  virtual void Stop() OVERRIDE;
+  virtual void Run() OVERRIDE;
+
+ private:
+  friend class base::RefCountedThreadSafe<JingleThreadWrapper>;

[Alpha Left Google, 2011/03/26 01:06:01]

Because we need comments saying this has to be used with scoped_refptr<>.

[Sergey Ulanov, 2011/03/26 01:44:24]

Don't needs this. removed.

+
+  typedef std::vector<talk_base::DelayedMessage> DelayedMessagesHeap;
+
+  virtual ~JingleThreadWrapper() OVERRIDE;
+
+  void RunPendingTasks();
+  void RunDelayedTask(uint32 task_time);
+
+  // Chromium thread used to execute messages posted on this thread.
+  MessageLoop* message_loop_;
+
+  // |lock_| must be locked when accessing |messages_|.
+  base::Lock lock_;
+  bool task_posted_;
+  std::list<talk_base::Message> messages_;
+
+  // A heap that contains all delayed messages. std::push_heap() and
+  // std::pop_heap() must be used to add/remove tasks.
+  DelayedMessagesHeap delayed_messages_;

[Alpha Left Google, 2011/03/26 01:06:01]

I would suggest you use STL set so you don't need to manipulate the data
structure yourself, but using priority queue can give you constant time for
accessing front().  Also using set require you to write a custom comparator.

[Sergey Ulanov, 2011/03/26 01:44:24]

Changed this to set.

+};
+
+}
+
+// Safe to disable refcounting because JingleThreadWrapper deletes
+// itself with the thread.
+DISABLE_RUNNABLE_METHOD_REFCOUNT(jingle_glue::JingleThreadWrapper);
+
+#endif  // JINGLE_GLUE_THREAD_WRAPPER_H_