Add chrome to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 111 insertions, 0 deletions

diff --git a/chrome/app/google_update_client.h b/chrome/app/google_update_client.h
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// 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>
+
+namespace google_update {
+
+class GoogleUpdateClient {
+ public:
+  // callback prototype for GoogleUpdateClient::Launch entry_name
+  typedef int (*GoogleUpdateEntry)(HINSTANCE instance, HINSTANCE prev_instance,
+                                  wchar_t* command_line, int show_command);
+
+  GoogleUpdateClient();
+  virtual ~GoogleUpdateClient();
+
+  // 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.
+  // The first four arguments are simply WinMain args passed through.
+  // - entry_name is the (typedef) GoogleUpdateEntry that is called
+  // - 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, HINSTANCE prev_instance,
+              wchar_t* command_line, int show_command, const char* entry_name,
+              int* ret);
+
+  // For the client guid, fills in the path to the dir for the exe that
+  // calls this function.  (e.g. Program Files/Google/Chrome/ or
+  // Documents and Settings\user\Local Settings\Application Data\Google\Chrome)
+  // It also sets the user_mode_ depending on whether the exe was called
+  // from Program Files location (user_mode_ = false) or not.
+  void GetExePathAndInstallMode();
+
+  // Returns the path of 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;
+
+ private:
+  // disallow copy ctor and operator=
+  GoogleUpdateClient(const GoogleUpdateClient&);
+  void operator=(const GoogleUpdateClient&);
+
+  // The GUID that this client has registered with GoogleUpdate for autoupdate.
+  wchar_t* guid_;
+  // The name of the dll to load.
+  wchar_t* dll_;
+  // The current version of this client registered with GoogleUpdate.
+  wchar_t* version_;
+  // The location of current chrome.dll.
+  wchar_t dll_path_[MAX_PATH];
+  // Are we running in user mode or admin mode
+  bool user_mode_;
+};
+
+}  // namespace google_update
+
+#endif  // CHROME_APP_GOOGLE_UPDATE_CLIENT_H__