michael@0: // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: 
michael@0: #include "base/win_util.h"
michael@0: 
michael@0: #include <map>
michael@0: #include <sddl.h>
michael@0: 
michael@0: #include "base/logging.h"
michael@0: #include "base/registry.h"
michael@0: #include "base/scoped_handle.h"
michael@0: #include "base/scoped_ptr.h"
michael@0: #include "base/singleton.h"
michael@0: #include "base/string_util.h"
michael@0: #include "base/tracked.h"
michael@0: 
michael@0: namespace win_util {
michael@0: 
michael@0: WinVersion GetWinVersion() {
michael@0:   static bool checked_version = false;
michael@0:   static WinVersion win_version = WINVERSION_PRE_2000;
michael@0:   if (!checked_version) {
michael@0:     OSVERSIONINFOEX version_info;
michael@0:     version_info.dwOSVersionInfoSize = sizeof version_info;
michael@0:     GetVersionEx(reinterpret_cast<OSVERSIONINFO*>(&version_info));
michael@0:     if (version_info.dwMajorVersion == 5) {
michael@0:       switch (version_info.dwMinorVersion) {
michael@0:         case 0:
michael@0:           win_version = WINVERSION_2000;
michael@0:           break;
michael@0:         case 1:
michael@0:           win_version = WINVERSION_XP;
michael@0:           break;
michael@0:         case 2:
michael@0:         default:
michael@0:           win_version = WINVERSION_SERVER_2003;
michael@0:           break;
michael@0:       }
michael@0:     } else if (version_info.dwMajorVersion == 6) {
michael@0:       if (version_info.wProductType != VER_NT_WORKSTATION) {
michael@0:         // 2008 is 6.0, and 2008 R2 is 6.1.
michael@0:         win_version = WINVERSION_2008;
michael@0:       } else {
michael@0:         if (version_info.dwMinorVersion == 0) {
michael@0:           win_version = WINVERSION_VISTA;
michael@0:         } else {
michael@0:           win_version = WINVERSION_WIN7;
michael@0:         }
michael@0:       }
michael@0:     } else if (version_info.dwMajorVersion > 6) {
michael@0:       win_version = WINVERSION_WIN7;
michael@0:     }
michael@0:     checked_version = true;
michael@0:   }
michael@0:   return win_version;
michael@0: }
michael@0: 
michael@0: bool IsShiftPressed() {
michael@0:   return (::GetKeyState(VK_SHIFT) & 0x80) == 0x80;
michael@0: }
michael@0: 
michael@0: bool IsCtrlPressed() {
michael@0:   return (::GetKeyState(VK_CONTROL) & 0x80) == 0x80;
michael@0: }
michael@0: 
michael@0: bool IsAltPressed() {
michael@0:   return (::GetKeyState(VK_MENU) & 0x80) == 0x80;
michael@0: }
michael@0: 
michael@0: std::wstring FormatMessage(unsigned messageid) {
michael@0:   wchar_t* string_buffer = NULL;
michael@0:   unsigned string_length = ::FormatMessage(
michael@0:       FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
michael@0:       FORMAT_MESSAGE_IGNORE_INSERTS, NULL, messageid, 0,
michael@0:       reinterpret_cast<wchar_t *>(&string_buffer), 0, NULL);
michael@0: 
michael@0:   std::wstring formatted_string;
michael@0:   if (string_buffer) {
michael@0:     formatted_string = string_buffer;
michael@0:     LocalFree(reinterpret_cast<HLOCAL>(string_buffer));
michael@0:   } else {
michael@0:     // The formating failed. simply convert the message value into a string.
michael@0:     SStringPrintf(&formatted_string, L"message number %d", messageid);
michael@0:   }
michael@0:   return formatted_string;
michael@0: }
michael@0: 
michael@0: std::wstring FormatLastWin32Error() {
michael@0:   return FormatMessage(GetLastError());
michael@0: }
michael@0: 
michael@0: }  // namespace win_util
michael@0: 
michael@0: #ifdef _MSC_VER
michael@0: //
michael@0: // If the ASSERT below fails, please install Visual Studio 2005 Service Pack 1.
michael@0: //
michael@0: extern char VisualStudio2005ServicePack1Detection[10];
michael@0: COMPILE_ASSERT(sizeof(&VisualStudio2005ServicePack1Detection) == sizeof(void*),
michael@0:                VS2005SP1Detect);
michael@0: //
michael@0: // Chrome requires at least Service Pack 1 for Visual Studio 2005.
michael@0: //
michael@0: #endif  // _MSC_VER
michael@0: 
michael@0: #if 0
michael@0: #error You must install the Windows 2008 or Vista Software Development Kit and \
michael@0: set it as your default include path to build this library. You can grab it by \
michael@0: searching for "download windows sdk 2008" in your favorite web search engine.  \
michael@0: Also make sure you register the SDK with Visual Studio, by selecting \
michael@0: "Integrate Windows SDK with Visual Studio 2005" from the Windows SDK \
michael@0: menu (see Start - All Programs - Microsoft Windows SDK - \
michael@0: Visual Studio Registration).
michael@0: #endif