1 // Copyright 2013 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 "chrome/browser/media_galleries/fileapi/itunes_data_provider.h" 6 7 #include <map> 8 9 #include "base/bind.h" 10 #include "base/callback.h" 11 #include "base/format_macros.h" 12 #include "base/location.h" 13 #include "base/logging.h" 14 #include "base/platform_file.h" 15 #include "base/stl_util.h" 16 #include "base/strings/string_util.h" 17 #include "base/strings/stringprintf.h" 18 #include "base/threading/thread_restrictions.h" 19 #include "chrome/browser/media_galleries/fileapi/file_path_watcher_util.h" 20 #include "chrome/browser/media_galleries/fileapi/media_file_system_backend.h" 21 #include "chrome/browser/media_galleries/imported_media_gallery_registry.h" 22 #include "chrome/common/media_galleries/itunes_library.h" 23 #include "content/public/browser/browser_thread.h" 24 #include "third_party/icu/source/common/unicode/locid.h" 25 #include "webkit/browser/fileapi/native_file_util.h" 26 27 namespace itunes { 28 29 namespace { 30 31 // Colon and slash are not allowed in filenames, replace them with underscore. 32 std::string EscapeBadCharacters(const std::string& input) { 33 std::string result; 34 base::ReplaceChars(input, ":/", "_", &result); 35 return result; 36 } 37 38 ITunesDataProvider::Album MakeUniqueTrackNames(const parser::Album& album) { 39 // TODO(vandebo): It would be nice to ensure that names returned from here 40 // are stable, but aside from persisting every name returned, it's not 41 // obvious how to do that (without including the track id in every name). 42 typedef std::set<const parser::Track*> TrackRefs; 43 typedef std::map<ITunesDataProvider::TrackName, TrackRefs> AlbumInfo; 44 45 ITunesDataProvider::Album result; 46 AlbumInfo duped_tracks; 47 48 parser::Album::const_iterator album_it; 49 for (album_it = album.begin(); album_it != album.end(); ++album_it) { 50 const parser::Track& track = *album_it; 51 std::string name = 52 EscapeBadCharacters(track.location.BaseName().AsUTF8Unsafe()); 53 duped_tracks[name].insert(&track); 54 } 55 56 for (AlbumInfo::const_iterator name_it = duped_tracks.begin(); 57 name_it != duped_tracks.end(); 58 ++name_it) { 59 const TrackRefs& track_refs = name_it->second; 60 if (track_refs.size() == 1) { 61 result[name_it->first] = (*track_refs.begin())->location; 62 } else { 63 for (TrackRefs::const_iterator track_it = track_refs.begin(); 64 track_it != track_refs.end(); 65 ++track_it) { 66 base::FilePath track_file_name = (*track_it)->location.BaseName(); 67 std::string id = 68 base::StringPrintf(" (%" PRId64 ")", (*track_it)->id); 69 std::string uniquified_track_name = 70 track_file_name.InsertBeforeExtensionASCII(id).AsUTF8Unsafe(); 71 std::string escaped_track_name = 72 EscapeBadCharacters(uniquified_track_name); 73 result[escaped_track_name] = (*track_it)->location; 74 } 75 } 76 } 77 78 return result; 79 } 80 81 // |result_path| is set if |locale_string| maps to a localized directory name 82 // and it exists in the filesystem. 83 bool CheckLocaleStringAutoAddPath( 84 const base::FilePath& media_path, 85 const std::map<std::string, std::string>& localized_dir_names, 86 const std::string& locale_string, 87 base::FilePath* result_path) { 88 DCHECK(!media_path.empty()); 89 DCHECK(!localized_dir_names.empty()); 90 DCHECK(!locale_string.empty()); 91 DCHECK(result_path); 92 93 std::map<std::string, std::string>::const_iterator it = 94 localized_dir_names.find(locale_string); 95 if (it == localized_dir_names.end()) 96 return false; 97 98 base::FilePath localized_auto_add_path = 99 media_path.Append(base::FilePath::FromUTF8Unsafe(it->second)); 100 if (!fileapi::NativeFileUtil::DirectoryExists(localized_auto_add_path)) 101 return false; 102 103 *result_path = localized_auto_add_path; 104 return true; 105 } 106 107 // This method is complex because Apple localizes the directory name in versions 108 // of iTunes before 10.6. 109 base::FilePath GetAutoAddPath(const base::FilePath& library_path) { 110 const char kiTunesMediaDir[] = "iTunes Media"; 111 base::FilePath media_path = 112 library_path.DirName().AppendASCII(kiTunesMediaDir); 113 114 // Test 'universal' path first. 115 base::FilePath universal_auto_add_path = 116 media_path.AppendASCII("Automatically Add to iTunes.localized"); 117 if (fileapi::NativeFileUtil::DirectoryExists(universal_auto_add_path)) 118 return universal_auto_add_path; 119 120 // Test user locale. Localized directory names encoded in UTF-8. 121 std::map<std::string, std::string> localized_dir_names; 122 localized_dir_names["nl"] = "Voeg automatisch toe aan iTunes"; 123 localized_dir_names["en"] = "Automatically Add to iTunes"; 124 localized_dir_names["fr"] = "Ajouter automatiquement \xC3\xA0 iTunes"; 125 localized_dir_names["de"] = "Automatisch zu iTunes hinzuf\xC3\xBCgen"; 126 localized_dir_names["it"] = "Aggiungi automaticamente a iTunes"; 127 localized_dir_names["ja"] = "iTunes \xE3\x81\xAB\xE8\x87\xAA\xE5\x8B\x95\xE7" 128 "\x9A\x84\xE3\x81\xAB\xE8\xBF\xBD\xE5\x8A\xA0"; 129 localized_dir_names["es"] = "A\xC3\xB1""adir autom\xC3\xA1ticamente a iTunes"; 130 localized_dir_names["da"] = "F\xC3\xB8j automatisk til iTunes"; 131 localized_dir_names["en-GB"] = "Automatically Add to iTunes"; 132 localized_dir_names["fi"] = "Lis\xC3\xA4\xC3\xA4 automaattisesti iTunesiin"; 133 localized_dir_names["ko"] = "iTunes\xEC\x97\x90 \xEC\x9E\x90\xEB\x8F\x99\xEC" 134 "\x9C\xBC\xEB\xA1\x9C \xEC\xB6\x94\xEA\xB0\x80"; 135 localized_dir_names["no"] = "Legg til automatisk i iTunes"; 136 localized_dir_names["pl"] = "Automatycznie dodaj do iTunes"; 137 localized_dir_names["pt"] = "Adicionar Automaticamente ao iTunes"; 138 localized_dir_names["pt-PT"] = "Adicionar ao iTunes automaticamente"; 139 localized_dir_names["ru"] = "\xD0\x90\xD0\xB2\xD1\x82\xD0\xBE\xD0\xBC\xD0\xB0" 140 "\xD1\x82\xD0\xB8\xD1\x87\xD0\xB5\xD1\x81\xD0\xBA" 141 "\xD0\xB8 \xD0\xB4\xD0\xBE\xD0\xB1\xD0\xB0\xD0" 142 "\xB2\xD0\xBB\xD1\x8F\xD1\x82\xD1\x8C \xD0\xB2" 143 "iTunes"; 144 localized_dir_names["sv"] = "L\xC3\xA4gg automatiskt till i iTunes"; 145 localized_dir_names["zh-CN"] = "\xE8\x87\xAA\xE5\x8A\xA8\xE6\xB7\xBB\xE5\x8A" 146 "\xA0\xE5\x88\xB0 iTunes"; 147 localized_dir_names["zh-TW"] = "\xE8\x87\xAA\xE5\x8B\x95\xE5\x8A\xA0\xE5\x85" 148 "\xA5 iTunes"; 149 150 const icu::Locale locale = icu::Locale::getDefault(); 151 const char* language = locale.getLanguage(); 152 const char* country = locale.getCountry(); 153 154 base::FilePath result_path; 155 if (language != NULL && *language != '\0') { 156 if (country != NULL && *country != '\0' && 157 CheckLocaleStringAutoAddPath(media_path, localized_dir_names, 158 std::string(language) + "-" + country, 159 &result_path)) { 160 return result_path; 161 } 162 163 if (CheckLocaleStringAutoAddPath(media_path, localized_dir_names, 164 language, &result_path)) { 165 return result_path; 166 } 167 } 168 169 // Fallback to trying English. 170 if (CheckLocaleStringAutoAddPath(media_path, localized_dir_names, 171 "en", &result_path)) { 172 return result_path; 173 } 174 175 return base::FilePath(); 176 } 177 178 } // namespace 179 180 ITunesDataProvider::ITunesDataProvider(const base::FilePath& library_path) 181 : iapps::IAppsDataProvider(library_path), 182 auto_add_path_(GetAutoAddPath(library_path)), 183 weak_factory_(this) {} 184 185 ITunesDataProvider::~ITunesDataProvider() {} 186 187 void ITunesDataProvider::DoParseLibrary( 188 const base::FilePath& library_path, 189 const ReadyCallback& ready_callback) { 190 xml_parser_ = new iapps::SafeIAppsLibraryParser; 191 xml_parser_->ParseITunesLibrary( 192 library_path, 193 base::Bind(&ITunesDataProvider::OnLibraryParsed, 194 weak_factory_.GetWeakPtr(), 195 ready_callback)); 196 } 197 198 const base::FilePath& ITunesDataProvider::auto_add_path() const { 199 return auto_add_path_; 200 } 201 202 bool ITunesDataProvider::KnownArtist(const ArtistName& artist) const { 203 DCHECK(MediaFileSystemBackend::CurrentlyOnMediaTaskRunnerThread()); 204 DCHECK(valid()); 205 return ContainsKey(library_, artist); 206 } 207 208 bool ITunesDataProvider::KnownAlbum(const ArtistName& artist, 209 const AlbumName& album) const { 210 DCHECK(MediaFileSystemBackend::CurrentlyOnMediaTaskRunnerThread()); 211 DCHECK(valid()); 212 Library::const_iterator library_it = library_.find(artist); 213 if (library_it == library_.end()) 214 return false; 215 return ContainsKey(library_it->second, album); 216 } 217 218 base::FilePath ITunesDataProvider::GetTrackLocation( 219 const ArtistName& artist, const AlbumName& album, 220 const TrackName& track) const { 221 DCHECK(MediaFileSystemBackend::CurrentlyOnMediaTaskRunnerThread()); 222 DCHECK(valid()); 223 Library::const_iterator library_it = library_.find(artist); 224 if (library_it == library_.end()) 225 return base::FilePath(); 226 227 Artist::const_iterator artist_it = library_it->second.find(album); 228 if (artist_it == library_it->second.end()) 229 return base::FilePath(); 230 231 Album::const_iterator album_it = artist_it->second.find(track); 232 if (album_it == artist_it->second.end()) 233 return base::FilePath(); 234 return album_it->second; 235 } 236 237 std::set<ITunesDataProvider::ArtistName> 238 ITunesDataProvider::GetArtistNames() const { 239 DCHECK(MediaFileSystemBackend::CurrentlyOnMediaTaskRunnerThread()); 240 DCHECK(valid()); 241 std::set<ArtistName> result; 242 Library::const_iterator it; 243 for (it = library_.begin(); it != library_.end(); ++it) { 244 result.insert(it->first); 245 } 246 return result; 247 } 248 249 std::set<ITunesDataProvider::AlbumName> ITunesDataProvider::GetAlbumNames( 250 const ArtistName& artist) const { 251 DCHECK(MediaFileSystemBackend::CurrentlyOnMediaTaskRunnerThread()); 252 DCHECK(valid()); 253 std::set<AlbumName> result; 254 Library::const_iterator artist_lookup = library_.find(artist); 255 if (artist_lookup == library_.end()) 256 return result; 257 258 const Artist& artist_entry = artist_lookup->second; 259 Artist::const_iterator it; 260 for (it = artist_entry.begin(); it != artist_entry.end(); ++it) { 261 result.insert(it->first); 262 } 263 return result; 264 } 265 266 ITunesDataProvider::Album ITunesDataProvider::GetAlbum( 267 const ArtistName& artist, const AlbumName& album) const { 268 DCHECK(MediaFileSystemBackend::CurrentlyOnMediaTaskRunnerThread()); 269 DCHECK(valid()); 270 Album result; 271 Library::const_iterator artist_lookup = library_.find(artist); 272 if (artist_lookup != library_.end()) { 273 Artist::const_iterator album_lookup = artist_lookup->second.find(album); 274 if (album_lookup != artist_lookup->second.end()) 275 result = album_lookup->second; 276 } 277 return result; 278 } 279 280 void ITunesDataProvider::OnLibraryParsed(const ReadyCallback& ready_callback, 281 bool result, 282 const parser::Library& library) { 283 DCHECK(MediaFileSystemBackend::CurrentlyOnMediaTaskRunnerThread()); 284 set_valid(result); 285 if (valid()) { 286 library_.clear(); 287 for (parser::Library::const_iterator artist_it = library.begin(); 288 artist_it != library.end(); 289 ++artist_it) { 290 std::string artist_name = EscapeBadCharacters(artist_it->first); 291 for (parser::Albums::const_iterator album_it = artist_it->second.begin(); 292 album_it != artist_it->second.end(); 293 ++album_it) { 294 std::string album_name = EscapeBadCharacters(album_it->first); 295 library_[artist_name][album_name] = 296 MakeUniqueTrackNames(album_it->second); 297 } 298 } 299 } 300 ready_callback.Run(valid()); 301 } 302 303 } // namespace itunes 304