in-chrome viewer for metro

ui/viewer/viewer_process.h

-// 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 UI_VIEWER_VIEWER_PROCESS_H_
-#define UI_VIEWER_VIEWER_PROCESS_H_
-
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/message_loop_proxy.h"
-#include "base/synchronization/waitable_event.h"
-#include "base/threading/thread.h"
-
-class CommandLine;
-class ViewerHostWin;
-class ViewerIPCServer;
-
-// The ViewerProcess does not inherit from ChildProcess because this
-// process can live independently of the browser process.
-class ViewerProcess {
- public:
-  ViewerProcess();
-  virtual ~ViewerProcess();
-
-  // Initialize the ViewerProcess with the message loop that it should run on.
-  // ViewerProcess takes ownership of |state|.
-  bool Initialize(MessageLoop* message_loop, const CommandLine& command_line);
-
-  bool Teardown();
-
-  // Returns the message loop that we perform I/O coordination on (network
-  // requests, communication with renderers, etc.).
-  scoped_refptr<base::MessageLoopProxy> io_message_loop_proxy() {
-    return io_thread_->message_loop_proxy();
-  }
-
-  // A global event object that is signalled when the main thread's message
-  // loop exits. This gives background threads a way to observe the main
-  // thread shutting down.
-  base::WaitableEvent* shutdown_event() {
-    return &shutdown_event_;
-  }
-
-  // Called by the IPC server when a client disconnects. A return value of
-  // true indicates that the IPC server should continue listening for new
-  // connections.
-  bool HandleClientDisconnect();
-
-  void Terminate();
-
- private:
-  scoped_ptr<base::Thread> io_thread_;
-  scoped_ptr<ViewerIPCServer> ipc_server_;
-
-  // An event that will be signalled when we shutdown.
-  base::WaitableEvent shutdown_event_;
-
-  // Window that we draw into.
-  scoped_ptr<ViewerHostWin> viewer_host_win_;
-
-  // Pointer to the main message loop that host this object.
-  MessageLoop* main_message_loop_;
-
-  DISALLOW_COPY_AND_ASSIGN(ViewerProcess);
-};
-
-extern ViewerProcess* g_viewer_process;
-
-#endif  // UI_VIEWER_VIEWER_PROCESS_H_