15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/nix/xdg_util.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/environment.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/file_util.h" 112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/files/file_path.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/third_party/xdg_user_dirs/xdg_user_dir_lookup.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The KDE session version environment variable used in KDE 4. 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char kKDE4SessionEnvVar[] = "KDE_SESSION_VERSION"; 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace base { 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace nix { 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char kDotConfigDir[] = ".config"; 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char kXdgConfigHomeEnvVar[] = "XDG_CONFIG_HOME"; 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)FilePath GetXDGDirectory(Environment* env, const char* env_name, 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const char* fallback_dir) { 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FilePath path; 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string env_value; 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (env->GetVar(env_name, &env_value) && !env_value.empty()) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) path = FilePath(env_value); 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 34a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) path = GetHomeDir().Append(fallback_dir); 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return path.StripTrailingSeparators(); 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)FilePath GetXDGUserDirectory(const char* dir_name, const char* fallback_dir) { 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FilePath path; 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) char* xdg_dir = xdg_user_dir_lookup(dir_name); 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (xdg_dir) { 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) path = FilePath(xdg_dir); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) free(xdg_dir); 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 45a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) path = GetHomeDir().Append(fallback_dir); 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return path.StripTrailingSeparators(); 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)DesktopEnvironment GetDesktopEnvironment(Environment* env) { 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // XDG_CURRENT_DESKTOP is the newest standard circa 2012. 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string xdg_current_desktop; 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (env->GetVar("XDG_CURRENT_DESKTOP", &xdg_current_desktop)) { 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Not all desktop environments set this env var as of this writing. 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (xdg_current_desktop == "Unity") 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return DESKTOP_ENVIRONMENT_UNITY; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else if (xdg_current_desktop == "GNOME") 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return DESKTOP_ENVIRONMENT_GNOME; 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // DESKTOP_SESSION was what everyone used in 2010. 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string desktop_session; 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (env->GetVar("DESKTOP_SESSION", &desktop_session)) { 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (desktop_session == "gnome") { 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return DESKTOP_ENVIRONMENT_GNOME; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (desktop_session == "kde4") { 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return DESKTOP_ENVIRONMENT_KDE4; 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (desktop_session == "kde") { 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This may mean KDE4 on newer systems, so we have to check. 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (env->HasVar(kKDE4SessionEnvVar)) 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return DESKTOP_ENVIRONMENT_KDE4; 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return DESKTOP_ENVIRONMENT_KDE3; 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (desktop_session.find("xfce") != std::string::npos || 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) desktop_session == "xubuntu") { 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return DESKTOP_ENVIRONMENT_XFCE; 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Fall back on some older environment variables. 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Useful particularly in the DESKTOP_SESSION=default case. 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (env->HasVar("GNOME_DESKTOP_SESSION_ID")) { 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return DESKTOP_ENVIRONMENT_GNOME; 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (env->HasVar("KDE_FULL_SESSION")) { 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (env->HasVar(kKDE4SessionEnvVar)) 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return DESKTOP_ENVIRONMENT_KDE4; 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return DESKTOP_ENVIRONMENT_KDE3; 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return DESKTOP_ENVIRONMENT_OTHER; 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char* GetDesktopEnvironmentName(DesktopEnvironment env) { 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (env) { 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case DESKTOP_ENVIRONMENT_OTHER: 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case DESKTOP_ENVIRONMENT_GNOME: 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return "GNOME"; 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case DESKTOP_ENVIRONMENT_KDE3: 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return "KDE3"; 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case DESKTOP_ENVIRONMENT_KDE4: 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return "KDE4"; 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case DESKTOP_ENVIRONMENT_UNITY: 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return "UNITY"; 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case DESKTOP_ENVIRONMENT_XFCE: 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return "XFCE"; 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char* GetDesktopEnvironmentName(Environment* env) { 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetDesktopEnvironmentName(GetDesktopEnvironment(env)); 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace nix 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace base 116