Rewrite of chrome.exe startup code...

chrome/app/google_update_client.h

-// Copyright (c) 2006-2008 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.
-//
-// This is the Chrome-GoogleUpdater integration glue. Current features of this
-// code include:
-// * checks to ensure that client is properly registered with GoogleUpdater
-// * versioned directory launcher to allow for completely transparent silent
-//   autoupdates
-
-
-#ifndef CHROME_APP_GOOGLE_UPDATE_CLIENT_H_
-#define CHROME_APP_GOOGLE_UPDATE_CLIENT_H_
-
-#include <windows.h>
-#include <tchar.h>
-
-#include <string>
-
-#include "sandbox/src/sandbox_factory.h"
-
-namespace google_update {
-
-class GoogleUpdateClient {
- public:
-  GoogleUpdateClient();
-  virtual ~GoogleUpdateClient();
-
-  // Returns the full path of the DLL that is going to be loaded.
-  // This function can be called only after Init().
-  std::wstring GetDLLFullPath();
-
-  // Returns the path containing the DLL that is going to be loaded.
-  // This function can be called only after Init().
-  std::wstring GetDLLPath();
-
-  // For the client guid, returns the associated version string, or NULL
-  // if Init() was unable to obtain one.
-  const wchar_t* GetVersion() const;
-
-  // Init must be called prior to other methods.
-  // client_guid is the guid that you registered with Google Update when you
-  // installed.
-  // Returns false if client is not properly registered with GoogleUpdate.  If
-  // not registered, autoupdates won't be performed for this client.
-  bool Init(const wchar_t* client_guid, const wchar_t* client_dll);
-
-  // Launches your app's main code and initializes Google Update services.
-  // - looks up the registered version via GoogleUpdate, loads dll from version
-  //   dir (e.g. Program Files/Google/1.0.101.0/chrome.dll) and calls the
-  //   entry_name. If chrome.dll is found in this path the version is stored
-  //   in the environment block such that subsequent launches invoke the
-  //   save dll version.
-  // - instance is handle to the current instance of application
-  // - sandbox provides information about sandbox services
-  // - command_line contains command line parameters
-  // - entry_name is the function of type DLL_MAIN that is called
-  //   from chrome.dll
-  // - ret is an out param with the return value of entry
-  // Returns false if unable to load the dll or find entry_name's proc addr.
-  bool Launch(HINSTANCE instance, sandbox::SandboxInterfaceInfo* sandbox,
-              wchar_t* command_line, const char* entry_name, int* ret);
-
- private:
-  // disallow copy ctor and operator=
-  GoogleUpdateClient(const GoogleUpdateClient&);
-  void operator=(const GoogleUpdateClient&);
-
-  // The GUID that this client has registered with GoogleUpdate for autoupdate.
-  std::wstring guid_;
-  // The name of the dll to load.
-  std::wstring dll_;
-  // The current version of this client registered with GoogleUpdate.
-  wchar_t* version_;
-  // The location of current chrome.dll.
-  std::wstring dll_path_;
-};
-
-}  // namespace google_update
-
-#endif  // CHROME_APP_GOOGLE_UPDATE_CLIENT_H_