base/nix/xdg_util.h

   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 #ifndef BASE_NIX_XDG_UTIL_H_
   6 #define BASE_NIX_XDG_UTIL_H_
   7
   8 // XDG refers to http://en.wikipedia.org/wiki/Freedesktop.org .
   9 // This file contains utilities found across free desktop environments.
  10 //
  11 // TODO(brettw) this file should be in app/x11, but is currently used by
  12 // net. We should have a net API to allow the embedder to specify the behavior
  13 // that it uses XDG for, and then move this file.
  14
  15 #include "base/base_export.h"
  16
  17 #ifdef nix
  18 #error asdf
  19 #endif
  20
  21 namespace base {
  22
  23 class Environment;
  24 class FilePath;
  25
  26 namespace nix {
  27
  28 // The default XDG config directory name.
  29 BASE_EXPORT extern const char kDotConfigDir[];
  30
  31 // The XDG config directory environment variable.
  32 BASE_EXPORT extern const char kXdgConfigHomeEnvVar[];
  33
  34 // Utility function for getting XDG directories.
  35 // |env_name| is the name of an environment variable that we want to use to get
  36 // a directory path. |fallback_dir| is the directory relative to $HOME that we
  37 // use if |env_name| cannot be found or is empty. |fallback_dir| may be NULL.
  38 // Examples of |env_name| are XDG_CONFIG_HOME and XDG_DATA_HOME.
  39 BASE_EXPORT FilePath GetXDGDirectory(Environment* env, const char* env_name,
  40                                      const char* fallback_dir);
  41
  42 // Wrapper around xdg_user_dir_lookup() from src/base/third_party/xdg-user-dirs
  43 // This looks up "well known" user directories like the desktop and music
  44 // folder. Examples of |dir_name| are DESKTOP and MUSIC.
  45 BASE_EXPORT FilePath GetXDGUserDirectory(const char* dir_name,
  46                                          const char* fallback_dir);
  47
  48 enum DesktopEnvironment {
  49   DESKTOP_ENVIRONMENT_OTHER,
  50   DESKTOP_ENVIRONMENT_GNOME,
  51   // KDE3 and KDE4 are sufficiently different that we count
  52   // them as two different desktop environments here.
  53   DESKTOP_ENVIRONMENT_KDE3,
  54   DESKTOP_ENVIRONMENT_KDE4,
  55   DESKTOP_ENVIRONMENT_UNITY,
  56   DESKTOP_ENVIRONMENT_XFCE,
  57 };
  58
  59 // Return an entry from the DesktopEnvironment enum with a best guess
  60 // of which desktop environment we're using.  We use this to know when
  61 // to attempt to use preferences from the desktop environment --
  62 // proxy settings, password manager, etc.
  63 BASE_EXPORT DesktopEnvironment GetDesktopEnvironment(Environment* env);
  64
  65 // Return a string representation of the given desktop environment.
  66 // May return NULL in the case of DESKTOP_ENVIRONMENT_OTHER.
  67 BASE_EXPORT const char* GetDesktopEnvironmentName(DesktopEnvironment env);
  68 // Convenience wrapper that calls GetDesktopEnvironment() first.
  69 BASE_EXPORT const char* GetDesktopEnvironmentName(Environment* env);
  70
  71 }  // namespace nix
  72 }  // namespace base
  73
  74 #endif  // BASE_NIX_XDG_UTIL_H_