base/base_paths_win.cc

   1 // Copyright (c) 2012 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.
   4
   5
   6 #include <windows.h>
   7 #include <shlobj.h>
   8
   9 #include "base/base_paths.h"
  10 #include "base/file_path.h"
  11 #include "base/file_util.h"
  12 #include "base/path_service.h"
  13 #include "base/win/scoped_co_mem.h"
  14 #include "base/win/windows_version.h"
  15
  16 // http://blogs.msdn.com/oldnewthing/archive/2004/10/25/247180.aspx
  17 extern "C" IMAGE_DOS_HEADER __ImageBase;
  18
  19 namespace {
  20
  21 bool GetQuickLaunchPath(bool default_user, FilePath* result) {
  22   if (default_user) {
  23     wchar_t system_buffer[MAX_PATH];
  24     system_buffer[0] = 0;
  25     // As per MSDN, passing -1 for |hToken| indicates the Default user:
  26     // http://msdn.microsoft.com/library/windows/desktop/bb762181.aspx
  27     if (FAILED(SHGetFolderPath(NULL, CSIDL_APPDATA,
  28                                reinterpret_cast<HANDLE>(-1), SHGFP_TYPE_CURRENT,
  29                                system_buffer))) {
  30       return false;
  31     }
  32     *result = FilePath(system_buffer);
  33   } else if (!PathService::Get(base::DIR_APP_DATA, result)) {
  34     // For the current user, grab the APPDATA directory directly from the
  35     // PathService cache.
  36     return false;
  37   }
  38   // According to various sources, appending
  39   // "Microsoft\Internet Explorer\Quick Launch" to %appdata% is the only
  40   // reliable way to get the quick launch folder across all versions of Windows.
  41   // http://stackoverflow.com/questions/76080/how-do-you-reliably-get-the-quick-
  42   // http://www.microsoft.com/technet/scriptcenter/resources/qanda/sept05/hey0901.mspx
  43   *result = result->AppendASCII("Microsoft");
  44   *result = result->AppendASCII("Internet Explorer");
  45   *result = result->AppendASCII("Quick Launch");
  46   return true;
  47 }
  48
  49 }  // namespace
  50
  51 namespace base {
  52
  53 bool PathProviderWin(int key, FilePath* result) {
  54
  55   // We need to go compute the value. It would be nice to support paths with
  56   // names longer than MAX_PATH, but the system functions don't seem to be
  57   // designed for it either, with the exception of GetTempPath (but other
  58   // things will surely break if the temp path is too long, so we don't bother
  59   // handling it.
  60   wchar_t system_buffer[MAX_PATH];
  61   system_buffer[0] = 0;
  62
  63   FilePath cur;
  64   switch (key) {
  65     case base::FILE_EXE:
  66       GetModuleFileName(NULL, system_buffer, MAX_PATH);
  67       cur = FilePath(system_buffer);
  68       break;
  69     case base::FILE_MODULE: {
  70       // the resource containing module is assumed to be the one that
  71       // this code lives in, whether that's a dll or exe
  72       HMODULE this_module = reinterpret_cast<HMODULE>(&__ImageBase);
  73       GetModuleFileName(this_module, system_buffer, MAX_PATH);
  74       cur = FilePath(system_buffer);
  75       break;
  76     }
  77     case base::DIR_WINDOWS:
  78       GetWindowsDirectory(system_buffer, MAX_PATH);
  79       cur = FilePath(system_buffer);
  80       break;
  81     case base::DIR_SYSTEM:
  82       GetSystemDirectory(system_buffer, MAX_PATH);
  83       cur = FilePath(system_buffer);
  84       break;
  85     case base::DIR_PROGRAM_FILESX86:
  86       if (base::win::OSInfo::GetInstance()->architecture() !=
  87           base::win::OSInfo::X86_ARCHITECTURE) {
  88         if (FAILED(SHGetFolderPath(NULL, CSIDL_PROGRAM_FILESX86, NULL,
  89                                    SHGFP_TYPE_CURRENT, system_buffer)))
  90           return false;
  91         cur = FilePath(system_buffer);
  92         break;
  93       }
  94       // Fall through to base::DIR_PROGRAM_FILES if we're on an X86 machine.
  95     case base::DIR_PROGRAM_FILES:
  96       if (FAILED(SHGetFolderPath(NULL, CSIDL_PROGRAM_FILES, NULL,
  97                                  SHGFP_TYPE_CURRENT, system_buffer)))
  98         return false;
  99       cur = FilePath(system_buffer);
 100       break;
 101     case base::DIR_IE_INTERNET_CACHE:
 102       if (FAILED(SHGetFolderPath(NULL, CSIDL_INTERNET_CACHE, NULL,
 103                                  SHGFP_TYPE_CURRENT, system_buffer)))
 104         return false;
 105       cur = FilePath(system_buffer);
 106       break;
 107     case base::DIR_COMMON_START_MENU:
 108       if (FAILED(SHGetFolderPath(NULL, CSIDL_COMMON_PROGRAMS, NULL,
 109                                  SHGFP_TYPE_CURRENT, system_buffer)))
 110         return false;
 111       cur = FilePath(system_buffer);
 112       break;
 113     case base::DIR_START_MENU:
 114       if (FAILED(SHGetFolderPath(NULL, CSIDL_PROGRAMS, NULL,
 115                                  SHGFP_TYPE_CURRENT, system_buffer)))
 116         return false;
 117       cur = FilePath(system_buffer);
 118       break;
 119     case base::DIR_APP_DATA:
 120       if (FAILED(SHGetFolderPath(NULL, CSIDL_APPDATA, NULL, SHGFP_TYPE_CURRENT,
 121                                  system_buffer)))
 122         return false;
 123       cur = FilePath(system_buffer);
 124       break;
 125     case base::DIR_COMMON_APP_DATA:
 126       if (FAILED(SHGetFolderPath(NULL, CSIDL_COMMON_APPDATA, NULL,
 127                                  SHGFP_TYPE_CURRENT, system_buffer)))
 128         return false;
 129       cur = FilePath(system_buffer);
 130       break;
 131     case base::DIR_PROFILE:
 132       if (FAILED(SHGetFolderPath(NULL, CSIDL_PROFILE, NULL, SHGFP_TYPE_CURRENT,
 133                                  system_buffer)))
 134         return false;
 135       cur = FilePath(system_buffer);
 136       break;
 137     case base::DIR_LOCAL_APP_DATA_LOW:
 138       if (win::GetVersion() < win::VERSION_VISTA)
 139         return false;
 140
 141       // TODO(nsylvain): We should use SHGetKnownFolderPath instead. Bug 1281128
 142       if (FAILED(SHGetFolderPath(NULL, CSIDL_APPDATA, NULL, SHGFP_TYPE_CURRENT,
 143                                  system_buffer)))
 144         return false;
 145       cur = FilePath(system_buffer).DirName().AppendASCII("LocalLow");
 146       break;
 147     case base::DIR_LOCAL_APP_DATA:
 148       if (FAILED(SHGetFolderPath(NULL, CSIDL_LOCAL_APPDATA, NULL,
 149                                  SHGFP_TYPE_CURRENT, system_buffer)))
 150         return false;
 151       cur = FilePath(system_buffer);
 152       break;
 153     case base::DIR_SOURCE_ROOT: {
 154       FilePath executableDir;
 155       // On Windows, unit tests execute two levels deep from the source root.
 156       // For example:  chrome/{Debug|Release}/ui_tests.exe
 157       PathService::Get(base::DIR_EXE, &executableDir);
 158       cur = executableDir.DirName().DirName();
 159       break;
 160     }
 161     case base::DIR_APP_SHORTCUTS: {
 162       if (win::GetVersion() < win::VERSION_WIN8)
 163         return false;
 164
 165       base::win::ScopedCoMem<wchar_t> path_buf;
 166       if (FAILED(SHGetKnownFolderPath(FOLDERID_ApplicationShortcuts, 0, NULL,
 167                                       &path_buf)))
 168         return false;
 169
 170       cur = FilePath(string16(path_buf));
 171       break;
 172     }
 173     case base::DIR_USER_DESKTOP:
 174       if (FAILED(SHGetFolderPath(NULL, CSIDL_DESKTOPDIRECTORY, NULL,
 175                                  SHGFP_TYPE_CURRENT, system_buffer))) {
 176         return false;
 177       }
 178       cur = FilePath(system_buffer);
 179       break;
 180     case base::DIR_COMMON_DESKTOP:
 181       if (FAILED(SHGetFolderPath(NULL, CSIDL_COMMON_DESKTOPDIRECTORY, NULL,
 182                                  SHGFP_TYPE_CURRENT, system_buffer))) {
 183         return false;
 184       }
 185       cur = FilePath(system_buffer);
 186       break;
 187     case base::DIR_USER_QUICK_LAUNCH:
 188       if (!GetQuickLaunchPath(false, &cur))
 189         return false;
 190       break;
 191     case base::DIR_DEFAULT_USER_QUICK_LAUNCH:
 192       if (!GetQuickLaunchPath(true, &cur))
 193         return false;
 194       break;
 195     case base::DIR_TASKBAR_PINS:
 196       if (!PathService::Get(base::DIR_USER_QUICK_LAUNCH, &cur))
 197         return false;
 198       cur = cur.AppendASCII("User Pinned");
 199       cur = cur.AppendASCII("TaskBar");
 200       break;
 201     default:
 202       return false;
 203   }
 204
 205   *result = cur;
 206   return true;
 207 }
 208
 209 }  // namespace base