mime_util_xdg.cc revision a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7
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/mime_util_xdg.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <cstdlib> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <list> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <map> 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <vector> 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/environment.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/file_util.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/lazy_instance.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/scoped_ptr.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/singleton.h" 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/nix/xdg_util.h" 192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/strings/string_split.h" 20868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/string_util.h" 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/synchronization/lock.h" 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/third_party/xdg_mime/xdgmime.h" 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/threading/thread_restrictions.h" 24eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch#include "base/time/time.h" 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace base { 272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace nix { 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class IconTheme; 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// None of the XDG stuff is thread-safe, so serialize all access under 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// this lock. 35a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)LazyInstance<Lock>::Leaky g_mime_util_xdg_lock = LAZY_INSTANCE_INITIALIZER; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class MimeUtilConstants { 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) typedef std::map<std::string, IconTheme*> IconThemeMap; 40a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) typedef std::map<FilePath, Time> IconDirMtimeMap; 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) typedef std::vector<std::string> IconFormats; 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Specified by XDG icon theme specs. 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static const int kUpdateIntervalInSeconds = 5; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static const size_t kDefaultThemeNum = 4; 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static MimeUtilConstants* GetInstance() { 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return Singleton<MimeUtilConstants>::get(); 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Store icon directories and their mtimes. 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IconDirMtimeMap icon_dirs_; 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Store icon formats. 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IconFormats icon_formats_; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Store loaded icon_theme. 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IconThemeMap icon_themes_; 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The default theme. 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IconTheme* default_themes_[kDefaultThemeNum]; 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 64a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) TimeTicks last_check_time_; 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // The current icon theme, usually set through GTK theme integration. 672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) std::string icon_theme_name_; 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MimeUtilConstants() { 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_formats_.push_back(".png"); 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_formats_.push_back(".svg"); 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_formats_.push_back(".xpm"); 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < kDefaultThemeNum; ++i) 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default_themes_[i] = NULL; 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~MimeUtilConstants(); 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend struct DefaultSingletonTraits<MimeUtilConstants>; 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(MimeUtilConstants); 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// IconTheme represents an icon theme as defined by the xdg icon theme spec. 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Example themes on GNOME include 'Human' and 'Mist'. 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Example themes on KDE include 'crystalsvg' and 'kdeclassic'. 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class IconTheme { 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // A theme consists of multiple sub-directories, like '32x32' and 'scalable'. 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) class SubDirInfo { 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // See spec for details. 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enum Type { 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Fixed, 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Scalable, 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Threshold 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SubDirInfo() 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : size(0), 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) type(Threshold), 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) max_size(0), 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) min_size(0), 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) threshold(2) { 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t size; // Nominal size of the icons in this directory. 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Type type; // Type of the icon size. 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t max_size; // Maximum size that the icons can be scaled to. 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t min_size; // Minimum size that the icons can be scaled to. 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t threshold; // Maximum difference from desired size. 2 by default. 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit IconTheme(const std::string& name); 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~IconTheme() {} 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the path to an icon with the name |icon_name| and a size of |size| 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // pixels. If the icon does not exist, but |inherits| is true, then look for 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the icon in the parent theme. 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FilePath GetIconPath(const std::string& icon_name, int size, bool inherits); 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Load a theme with the name |theme_name| into memory. Returns null if theme 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // is invalid. 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static IconTheme* LoadTheme(const std::string& theme_name); 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the path to an icon with the name |icon_name| in |subdir|. 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FilePath GetIconPathUnderSubdir(const std::string& icon_name, 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& subdir); 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Whether the theme loaded properly. 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool IsValid() { 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return index_theme_loaded_; 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Read and parse |file| which is usually named 'index.theme' per theme spec. 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool LoadIndexTheme(const FilePath& file); 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Checks to see if the icons in |info| matches |size| (in pixels). Returns 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 0 if they match, or the size difference in pixels. 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t MatchesSize(SubDirInfo* info, size_t size); 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Yet another function to read a line. 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string ReadLine(FILE* fp); 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Set directories to search for icons to the comma-separated list |dirs|. 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool SetDirectories(const std::string& dirs); 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool index_theme_loaded_; // True if an instance is properly loaded. 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // store the scattered directories of this theme. 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::list<FilePath> dirs_; 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // store the subdirs of this theme and array index of |info_array_|. 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::map<std::string, int> subdirs_; 1552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<SubDirInfo[]> info_array_; // List of sub-directories. 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string inherits_; // Name of the theme this one inherits from. 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)IconTheme::IconTheme(const std::string& name) 1602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : index_theme_loaded_(false) { 161a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ThreadRestrictions::AssertIOAllowed(); 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Iterate on all icon directories to find directories of the specified 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // theme and load the first encountered index.theme. 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MimeUtilConstants::IconDirMtimeMap::iterator iter; 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FilePath theme_path; 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MimeUtilConstants::IconDirMtimeMap* icon_dirs = 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &MimeUtilConstants::GetInstance()->icon_dirs_; 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (iter = icon_dirs->begin(); iter != icon_dirs->end(); ++iter) { 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) theme_path = iter->first.Append(name); 1707dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (!DirectoryExists(theme_path)) 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) continue; 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FilePath theme_index = theme_path.Append("index.theme"); 1737dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (!index_theme_loaded_ && PathExists(theme_index)) { 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!LoadIndexTheme(theme_index)) 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) index_theme_loaded_ = true; 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) dirs_.push_back(theme_path); 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)FilePath IconTheme::GetIconPath(const std::string& icon_name, int size, 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool inherits) { 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::map<std::string, int>::iterator subdir_iter; 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FilePath icon_path; 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (subdir_iter = subdirs_.begin(); 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) subdir_iter != subdirs_.end(); 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ++subdir_iter) { 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SubDirInfo* info = &info_array_[subdir_iter->second]; 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (MatchesSize(info, size) == 0) { 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_path = GetIconPathUnderSubdir(icon_name, subdir_iter->first); 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!icon_path.empty()) 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return icon_path; 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Now looking for the mostly matched. 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t min_delta_seen = 9999; 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (subdir_iter = subdirs_.begin(); 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) subdir_iter != subdirs_.end(); 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ++subdir_iter) { 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SubDirInfo* info = &info_array_[subdir_iter->second]; 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t delta = MatchesSize(info, size); 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (delta < min_delta_seen) { 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FilePath path = GetIconPathUnderSubdir(icon_name, subdir_iter->first); 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!path.empty()) { 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) min_delta_seen = delta; 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_path = path; 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!icon_path.empty() || !inherits || inherits_ == "") 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return icon_path; 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IconTheme* theme = LoadTheme(inherits_); 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Inheriting from itself means the theme is buggy but we shouldn't crash. 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (theme && theme != this) 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return theme->GetIconPath(icon_name, size, inherits); 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return FilePath(); 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)IconTheme* IconTheme::LoadTheme(const std::string& theme_name) { 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<IconTheme> theme; 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MimeUtilConstants::IconThemeMap* icon_themes = 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &MimeUtilConstants::GetInstance()->icon_themes_; 2295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (icon_themes->find(theme_name) != icon_themes->end()) { 2305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) theme.reset((*icon_themes)[theme_name]); 2315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) theme.reset(new IconTheme(theme_name)); 2335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!theme->IsValid()) 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) theme.reset(); 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*icon_themes)[theme_name] = theme.get(); 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return theme.release(); 2385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)FilePath IconTheme::GetIconPathUnderSubdir(const std::string& icon_name, 2415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& subdir) { 2425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FilePath icon_path; 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::list<FilePath>::iterator dir_iter; 2445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MimeUtilConstants::IconFormats* icon_formats = 2455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &MimeUtilConstants::GetInstance()->icon_formats_; 2465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (dir_iter = dirs_.begin(); dir_iter != dirs_.end(); ++dir_iter) { 2475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < icon_formats->size(); ++i) { 2485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_path = dir_iter->Append(subdir); 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_path = icon_path.Append(icon_name + (*icon_formats)[i]); 2507dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (PathExists(icon_path)) 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return icon_path; 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return FilePath(); 2555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool IconTheme::LoadIndexTheme(const FilePath& file) { 258a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) FILE* fp = base::OpenFile(file, "r"); 2595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SubDirInfo* current_info = NULL; 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!fp) 2615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 2625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Read entries. 2645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while (!feof(fp) && !ferror(fp)) { 2655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string buf = ReadLine(fp); 2665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (buf == "") 2675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 2685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string entry; 2705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TrimWhitespaceASCII(buf, TRIM_ALL, &entry); 2715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (entry.length() == 0 || entry[0] == '#') { 2725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Blank line or Comment. 2735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) continue; 2745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (entry[0] == '[' && info_array_.get()) { 2755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) current_info = NULL; 2765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string subdir = entry.substr(1, entry.length() - 2); 2775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (subdirs_.find(subdir) != subdirs_.end()) 2785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) current_info = &info_array_[subdirs_[subdir]]; 2795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string key, value; 2825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<std::string> r; 283a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) SplitStringDontTrim(entry, '=', &r); 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (r.size() < 2) 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) continue; 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TrimWhitespaceASCII(r[0], TRIM_ALL, &key); 2885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 1; i < r.size(); i++) 2895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) value.append(r[i]); 2905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TrimWhitespaceASCII(value, TRIM_ALL, &value); 2915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (current_info) { 2935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (key == "Size") { 2945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) current_info->size = atoi(value.c_str()); 2955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (key == "Type") { 2965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (value == "Fixed") 2975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) current_info->type = SubDirInfo::Fixed; 2985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else if (value == "Scalable") 2995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) current_info->type = SubDirInfo::Scalable; 3005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else if (value == "Threshold") 3015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) current_info->type = SubDirInfo::Threshold; 3025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (key == "MaxSize") { 3035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) current_info->max_size = atoi(value.c_str()); 3045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (key == "MinSize") { 3055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) current_info->min_size = atoi(value.c_str()); 3065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (key == "Threshold") { 3075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) current_info->threshold = atoi(value.c_str()); 3085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 3105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (key.compare("Directories") == 0 && !info_array_.get()) { 3115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!SetDirectories(value)) break; 3125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (key.compare("Inherits") == 0) { 3135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (value != "hicolor") 3145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) inherits_ = value; 3155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 319a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) base::CloseFile(fp); 3205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return info_array_.get() != NULL; 3215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)size_t IconTheme::MatchesSize(SubDirInfo* info, size_t size) { 3245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (info->type == SubDirInfo::Fixed) { 3255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (size > info->size) 3265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return size - info->size; 3275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 3285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return info->size - size; 3295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (info->type == SubDirInfo::Scalable) { 3305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (size < info->min_size) 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return info->min_size - size; 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (size > info->max_size) 3335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return size - info->max_size; 3345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 3355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 3365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (size + info->threshold < info->size) 3375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return info->size - size - info->threshold; 3385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (size > info->size + info->threshold) 3395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return size - info->size - info->threshold; 3405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 3415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)std::string IconTheme::ReadLine(FILE* fp) { 3455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!fp) 346c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return std::string(); 3475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 348c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) std::string result; 3495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const size_t kBufferSize = 100; 3505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) char buffer[kBufferSize]; 3515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while ((fgets(buffer, kBufferSize - 1, fp)) != NULL) { 3525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) result += buffer; 3535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t len = result.length(); 3545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (len == 0) 3555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 3565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) char end = result[len - 1]; 3575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (end == '\n' || end == '\0') 3585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 3595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 3625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool IconTheme::SetDirectories(const std::string& dirs) { 3655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int num = 0; 3665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string::size_type pos = 0, epos; 3675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string dir; 3685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while ((epos = dirs.find(',', pos)) != std::string::npos) { 3695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TrimWhitespaceASCII(dirs.substr(pos, epos - pos), TRIM_ALL, &dir); 3705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (dir.length() == 0) { 3715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DLOG(WARNING) << "Invalid index.theme: blank subdir"; 3725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 3735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) subdirs_[dir] = num++; 3755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pos = epos + 1; 3765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TrimWhitespaceASCII(dirs.substr(pos), TRIM_ALL, &dir); 3785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (dir.length() == 0) { 3795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DLOG(WARNING) << "Invalid index.theme: blank subdir"; 3805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 3815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) subdirs_[dir] = num++; 3835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) info_array_.reset(new SubDirInfo[num]); 3845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 3855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 387a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)bool CheckDirExistsAndGetMtime(const FilePath& dir, Time* last_modified) { 3887dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (!DirectoryExists(dir)) 3895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 390a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) PlatformFileInfo file_info; 391a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) if (!GetFileInfo(dir, &file_info)) 3925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 3935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *last_modified = file_info.last_modified; 3945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 3955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Make sure |dir| exists and add it to the list of icon directories. 3985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void TryAddIconDir(const FilePath& dir) { 399a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) Time last_modified; 4005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!CheckDirExistsAndGetMtime(dir, &last_modified)) 4015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 4025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MimeUtilConstants::GetInstance()->icon_dirs_[dir] = last_modified; 4035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// For a xdg directory |dir|, add the appropriate icon sub-directories. 4065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void AddXDGDataDir(const FilePath& dir) { 4077dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (!DirectoryExists(dir)) 4085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 4095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TryAddIconDir(dir.Append("icons")); 4105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TryAddIconDir(dir.Append("pixmaps")); 4115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Add all the xdg icon directories. 4145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void InitIconDir() { 415a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) FilePath home = GetHomeDir(); 4165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!home.empty()) { 4175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FilePath legacy_data_dir(home); 4185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) legacy_data_dir = legacy_data_dir.AppendASCII(".icons"); 4197dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (DirectoryExists(legacy_data_dir)) 4205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TryAddIconDir(legacy_data_dir); 4215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const char* env = getenv("XDG_DATA_HOME"); 4235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (env) { 4245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddXDGDataDir(FilePath(env)); 4255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (!home.empty()) { 4265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FilePath local_data_dir(home); 4275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) local_data_dir = local_data_dir.AppendASCII(".local"); 4285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) local_data_dir = local_data_dir.AppendASCII("share"); 4295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddXDGDataDir(local_data_dir); 4305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) env = getenv("XDG_DATA_DIRS"); 4335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!env) { 4345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddXDGDataDir(FilePath("/usr/local/share")); 4355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddXDGDataDir(FilePath("/usr/share")); 4365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 4375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string xdg_data_dirs = env; 4385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string::size_type pos = 0, epos; 4395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while ((epos = xdg_data_dirs.find(':', pos)) != std::string::npos) { 4405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddXDGDataDir(FilePath(xdg_data_dirs.substr(pos, epos - pos))); 4415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pos = epos + 1; 4425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AddXDGDataDir(FilePath(xdg_data_dirs.substr(pos))); 4445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void EnsureUpdated() { 4485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MimeUtilConstants* constants = MimeUtilConstants::GetInstance(); 4495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (constants->last_check_time_.is_null()) { 450a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) constants->last_check_time_ = TimeTicks::Now(); 4515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InitIconDir(); 4525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 4535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Per xdg theme spec, we should check the icon directories every so often 4565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // for newly added icons. 457a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) TimeDelta time_since_last_check = 458a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) TimeTicks::Now() - constants->last_check_time_; 4595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (time_since_last_check.InSeconds() > constants->kUpdateIntervalInSeconds) { 4605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) constants->last_check_time_ += time_since_last_check; 4615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool rescan_icon_dirs = false; 4635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MimeUtilConstants::IconDirMtimeMap* icon_dirs = &constants->icon_dirs_; 4645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MimeUtilConstants::IconDirMtimeMap::iterator iter; 4655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (iter = icon_dirs->begin(); iter != icon_dirs->end(); ++iter) { 466a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) Time last_modified; 4675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!CheckDirExistsAndGetMtime(iter->first, &last_modified) || 4685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_modified != iter->second) { 4695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) rescan_icon_dirs = true; 4705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 4715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (rescan_icon_dirs) { 4755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) constants->icon_dirs_.clear(); 4765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) constants->icon_themes_.clear(); 4775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InitIconDir(); 4785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Find a fallback icon if we cannot find it in the default theme. 4835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)FilePath LookupFallbackIcon(const std::string& icon_name) { 4845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MimeUtilConstants* constants = MimeUtilConstants::GetInstance(); 4855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MimeUtilConstants::IconDirMtimeMap::iterator iter; 4865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MimeUtilConstants::IconDirMtimeMap* icon_dirs = &constants->icon_dirs_; 4875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MimeUtilConstants::IconFormats* icon_formats = &constants->icon_formats_; 4885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (iter = icon_dirs->begin(); iter != icon_dirs->end(); ++iter) { 4895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < icon_formats->size(); ++i) { 4905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FilePath icon = iter->first.Append(icon_name + (*icon_formats)[i]); 4917dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (PathExists(icon)) 4925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return icon; 4935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return FilePath(); 4965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Initialize the list of default themes. 4995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void InitDefaultThemes() { 5005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IconTheme** default_themes = 5015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MimeUtilConstants::GetInstance()->default_themes_; 5025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 503a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) scoped_ptr<Environment> env(Environment::Create()); 5045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::nix::DesktopEnvironment desktop_env = 5055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::nix::GetDesktopEnvironment(env.get()); 5065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (desktop_env == base::nix::DESKTOP_ENVIRONMENT_KDE3 || 5075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) desktop_env == base::nix::DESKTOP_ENVIRONMENT_KDE4) { 5085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // KDE 5095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string kde_default_theme; 5105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string kde_fallback_theme; 5115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(thestig): Figure out how to get the current icon theme on KDE. 5135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Setting stored in ~/.kde/share/config/kdeglobals under Icons -> Theme. 5145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default_themes[0] = NULL; 5155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Try some reasonable defaults for KDE. 5175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (desktop_env == base::nix::DESKTOP_ENVIRONMENT_KDE3) { 5185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // KDE 3 5195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kde_default_theme = "default.kde"; 5205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kde_fallback_theme = "crystalsvg"; 5215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 5225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // KDE 4 5235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kde_default_theme = "default.kde4"; 5245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kde_fallback_theme = "oxygen"; 5255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default_themes[1] = IconTheme::LoadTheme(kde_default_theme); 5275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default_themes[2] = IconTheme::LoadTheme(kde_fallback_theme); 5285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 5295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Assume it's Gnome and use GTK to figure out the theme. 5305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default_themes[1] = IconTheme::LoadTheme( 5312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) MimeUtilConstants::GetInstance()->icon_theme_name_); 5325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default_themes[2] = IconTheme::LoadTheme("gnome"); 5335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // hicolor needs to be last per icon theme spec. 5355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default_themes[3] = IconTheme::LoadTheme("hicolor"); 5365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < MimeUtilConstants::kDefaultThemeNum; i++) { 5385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (default_themes[i] == NULL) 5395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) continue; 5405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NULL out duplicate pointers. 5415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t j = i + 1; j < MimeUtilConstants::kDefaultThemeNum; j++) { 5425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (default_themes[j] == default_themes[i]) 5435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default_themes[j] = NULL; 5445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Try to find an icon with the name |icon_name| that's |size| pixels. 5495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)FilePath LookupIconInDefaultTheme(const std::string& icon_name, int size) { 5505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EnsureUpdated(); 5515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MimeUtilConstants* constants = MimeUtilConstants::GetInstance(); 5525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MimeUtilConstants::IconThemeMap* icon_themes = &constants->icon_themes_; 5535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (icon_themes->empty()) 5545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InitDefaultThemes(); 5555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FilePath icon_path; 5575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IconTheme** default_themes = constants->default_themes_; 5585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < MimeUtilConstants::kDefaultThemeNum; i++) { 5595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (default_themes[i]) { 5605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_path = default_themes[i]->GetIconPath(icon_name, size, true); 5615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!icon_path.empty()) 5625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return icon_path; 5635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return LookupFallbackIcon(icon_name); 5665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)MimeUtilConstants::~MimeUtilConstants() { 5695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < kDefaultThemeNum; i++) 5705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delete default_themes_[i]; 5715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 5745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)std::string GetFileMimeType(const FilePath& filepath) { 5765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (filepath.empty()) 5775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return std::string(); 578a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ThreadRestrictions::AssertIOAllowed(); 579a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) AutoLock scoped_lock(g_mime_util_xdg_lock.Get()); 5805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return xdg_mime_get_mime_type_from_file_name(filepath.value().c_str()); 5815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)std::string GetDataMimeType(const std::string& data) { 584a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ThreadRestrictions::AssertIOAllowed(); 585a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) AutoLock scoped_lock(g_mime_util_xdg_lock.Get()); 5865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return xdg_mime_get_mime_type_for_data(data.data(), data.length(), NULL); 5875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void SetIconThemeName(const std::string& name) { 5905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If the theme name is already loaded, do nothing. Chrome doesn't respond 5915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to changes in the system theme, so we never need to set this more than 5925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // once. 5932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!MimeUtilConstants::GetInstance()->icon_theme_name_.empty()) 5945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 5955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) MimeUtilConstants::GetInstance()->icon_theme_name_ = name; 5975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)FilePath GetMimeIcon(const std::string& mime_type, size_t size) { 600a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ThreadRestrictions::AssertIOAllowed(); 6015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<std::string> icon_names; 6025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string icon_name; 6035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FilePath icon_file; 6045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!mime_type.empty()) { 606a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) AutoLock scoped_lock(g_mime_util_xdg_lock.Get()); 6075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const char *icon = xdg_mime_get_icon(mime_type.c_str()); 6085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_name = std::string(icon ? icon : ""); 6095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (icon_name.length()) 6125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_names.push_back(icon_name); 6135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // For text/plain, try text-plain. 6155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_name = mime_type; 6165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = icon_name.find('/', 0); i != std::string::npos; 6175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) i = icon_name.find('/', i + 1)) { 6185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_name[i] = '-'; 6195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_names.push_back(icon_name); 6215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Also try gnome-mime-text-plain. 6225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_names.push_back("gnome-mime-" + icon_name); 6235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Try "deb" for "application/x-deb" in KDE 3. 6255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t x_substr_pos = mime_type.find("/x-"); 6265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (x_substr_pos != std::string::npos) { 6275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_name = mime_type.substr(x_substr_pos + 3); 6285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_names.push_back(icon_name); 6295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Try generic name like text-x-generic. 6325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_name = mime_type.substr(0, mime_type.find('/')) + "-x-generic"; 6335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_names.push_back(icon_name); 6345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Last resort 6365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_names.push_back("unknown"); 6375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < icon_names.size(); i++) { 6395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (icon_names[i][0] == '/') { 6405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_file = FilePath(icon_names[i]); 6417dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (PathExists(icon_file)) 6425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return icon_file; 6435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 6445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_file = LookupIconInDefaultTheme(icon_names[i], size); 6455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!icon_file.empty()) 6465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return icon_file; 6475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return FilePath(); 6505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace nix 6535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace base 654