The Tor Browser: ipc/chromium/src/base/win

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.

     2 // Use of this source code is governed by a BSD-style license that can be

     3 // found in the LICENSE file.

     5 #include "base/win_util.h"

     7 #include <map>

     8 #include <sddl.h>

    10 #include "base/logging.h"

    11 #include "base/registry.h"

    12 #include "base/scoped_handle.h"

    13 #include "base/scoped_ptr.h"

    14 #include "base/singleton.h"

    15 #include "base/string_util.h"

    16 #include "base/tracked.h"

    18 namespace win_util {

    20 WinVersion GetWinVersion() {

    21   static bool checked_version = false;

    22   static WinVersion win_version = WINVERSION_PRE_2000;

    23   if (!checked_version) {

    24     OSVERSIONINFOEX version_info;

    25     version_info.dwOSVersionInfoSize = sizeof version_info;

    26     GetVersionEx(reinterpret_cast<OSVERSIONINFO*>(&version_info));

    27     if (version_info.dwMajorVersion == 5) {

    28       switch (version_info.dwMinorVersion) {

    29         case 0:

    30           win_version = WINVERSION_2000;

    31           break;

    32         case 1:

    33           win_version = WINVERSION_XP;

    34           break;

    35         case 2:

    36         default:

    37           win_version = WINVERSION_SERVER_2003;

    38           break;

    39       }

    40     } else if (version_info.dwMajorVersion == 6) {

    41       if (version_info.wProductType != VER_NT_WORKSTATION) {

    42         // 2008 is 6.0, and 2008 R2 is 6.1.

    43         win_version = WINVERSION_2008;

    44       } else {

    45         if (version_info.dwMinorVersion == 0) {

    46           win_version = WINVERSION_VISTA;

    47         } else {

    48           win_version = WINVERSION_WIN7;

    49         }

    50       }

    51     } else if (version_info.dwMajorVersion > 6) {

    52       win_version = WINVERSION_WIN7;

    53     }

    54     checked_version = true;

    55   }

    56   return win_version;

    57 }

    59 bool IsShiftPressed() {

    60   return (::GetKeyState(VK_SHIFT) & 0x80) == 0x80;

    61 }

    63 bool IsCtrlPressed() {

    64   return (::GetKeyState(VK_CONTROL) & 0x80) == 0x80;

    65 }

    67 bool IsAltPressed() {

    68   return (::GetKeyState(VK_MENU) & 0x80) == 0x80;

    69 }

    71 std::wstring FormatMessage(unsigned messageid) {

    72   wchar_t* string_buffer = NULL;

    73   unsigned string_length = ::FormatMessage(

    74       FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |

    75       FORMAT_MESSAGE_IGNORE_INSERTS, NULL, messageid, 0,

    76       reinterpret_cast<wchar_t *>(&string_buffer), 0, NULL);

    78   std::wstring formatted_string;

    79   if (string_buffer) {

    80     formatted_string = string_buffer;

    81     LocalFree(reinterpret_cast<HLOCAL>(string_buffer));

    82   } else {

    83     // The formating failed. simply convert the message value into a string.

    84     SStringPrintf(&formatted_string, L"message number %d", messageid);

    85   }

    86   return formatted_string;

    87 }

    89 std::wstring FormatLastWin32Error() {

    90   return FormatMessage(GetLastError());

    91 }

    93 }  // namespace win_util

    95 #ifdef _MSC_VER

    96 //

    97 // If the ASSERT below fails, please install Visual Studio 2005 Service Pack 1.

    98 //

    99 extern char VisualStudio2005ServicePack1Detection[10];

   100 COMPILE_ASSERT(sizeof(&VisualStudio2005ServicePack1Detection) == sizeof(void*),

   101                VS2005SP1Detect);

   102 //

   103 // Chrome requires at least Service Pack 1 for Visual Studio 2005.

   104 //

   105 #endif  // _MSC_VER

   107 #if 0

   108 #error You must install the Windows 2008 or Vista Software Development Kit and \

   109 set it as your default include path to build this library. You can grab it by \

   110 searching for "download windows sdk 2008" in your favorite web search engine.  \

   111 Also make sure you register the SDK with Visual Studio, by selecting \

   112 "Integrate Windows SDK with Visual Studio 2005" from the Windows SDK \

   113 menu (see Start - All Programs - Microsoft Windows SDK - \

   114 Visual Studio Registration).

   115 #endif

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