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       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : // Copyright (c) 2009 The Chromium Authors. All rights reserved.
       4             : // Use of this source code is governed by a BSD-style license that can be
       5             : // found in the LICENSE file.
       6             : 
       7             : #ifndef CHROME_COMMON_CHILD_THREAD_H_
       8             : #define CHROME_COMMON_CHILD_THREAD_H_
       9             : 
      10             : #include "base/thread.h"
      11             : #include "chrome/common/ipc_channel.h"
      12             : #include "mozilla/UniquePtr.h"
      13             : 
      14             : class ResourceDispatcher;
      15             : 
      16             : // Child processes's background thread should derive from this class.
      17             : class ChildThread : public IPC::Channel::Listener,
      18             :                     public base::Thread {
      19             :  public:
      20             :   // Creates the thread.
      21             :   explicit ChildThread(Thread::Options options);
      22             :   virtual ~ChildThread();
      23             : 
      24             :  protected:
      25             :   friend class ChildProcess;
      26             : 
      27             :   // Starts the thread.
      28             :   bool Run();
      29             : 
      30             :  protected:
      31             :   // Returns the one child thread.
      32             :   static ChildThread* current();
      33             : 
      34           2 :   IPC::Channel* channel() { return channel_.get(); }
      35             : 
      36             :   // Thread implementation.
      37             :   virtual void Init();
      38             :   virtual void CleanUp();
      39             : 
      40             :  private:
      41             :   // IPC::Channel::Listener implementation:
      42             :   virtual void OnMessageReceived(IPC::Message&& msg);
      43             :   virtual void OnChannelError();
      44             : 
      45             :   // The message loop used to run tasks on the thread that started this thread.
      46             :   MessageLoop* owner_loop_;
      47             : 
      48             :   std::wstring channel_name_;
      49             :   mozilla::UniquePtr<IPC::Channel> channel_;
      50             : 
      51             :   Thread::Options options_;
      52             : 
      53             :   DISALLOW_EVIL_CONSTRUCTORS(ChildThread);
      54             : };
      55             : 
      56             : #endif  // CHROME_COMMON_CHILD_THREAD_H_