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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) 2006-2008 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_PROCESS_H__
       8             : #define CHROME_COMMON_CHILD_PROCESS_H__
       9             : 
      10             : #include <string>
      11             : #include <vector>
      12             : #include "base/basictypes.h"
      13             : #include "base/message_loop.h"
      14             : #include "base/waitable_event.h"
      15             : #include "mozilla/UniquePtr.h"
      16             : 
      17             : class ChildThread;
      18             : 
      19             : 
      20             : // Base class for child processes of the browser process (i.e. renderer and
      21             : // plugin host). This is a singleton object for each child process.
      22             : class ChildProcess {
      23             :  public:
      24             :   // Child processes should have an object that derives from this class.  The
      25             :   // constructor will return once ChildThread has started.
      26             :   explicit ChildProcess(ChildThread* child_thread);
      27             :   virtual ~ChildProcess();
      28             : 
      29             :   // Getter for this process' main thread.
      30          21 :   ChildThread* child_thread() { return child_thread_.get(); }
      31             : 
      32             :   // Getter for the one ChildProcess object for this process.
      33          21 :   static ChildProcess* current() { return child_process_; }
      34             : 
      35             :  private:
      36             :   // NOTE: make sure that child_thread_ is listed before shutdown_event_, since
      37             :   // it depends on it (indirectly through IPC::SyncChannel).
      38             :   mozilla::UniquePtr<ChildThread> child_thread_;
      39             : 
      40             :   // The singleton instance for this process.
      41             :   static ChildProcess* child_process_;
      42             : 
      43             :   DISALLOW_EVIL_CONSTRUCTORS(ChildProcess);
      44             : };
      45             : 
      46             : #endif  // CHROME_COMMON_CHILD_PROCESS_H__