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