public static ArrayList<DictionaryInfo> getCurrentDictionaryFileNameAndVersionInfo(
final Context context) {
final ArrayList<DictionaryInfo> dictList = CollectionUtils.newArrayList();
// Retrieve downloaded dictionaries
final File[] directoryList = getCachedDirectoryList(context);
if (null != directoryList) {
for (final File directory : directoryList) {
final String localeString = getWordListIdFromFileName(directory.getName());
File[] dicts = BinaryDictionaryGetter.getCachedWordLists(localeString, context);
for (final File dict : dicts) {
final String wordListId = getWordListIdFromFileName(dict.getName());
if (!DictionaryInfoUtils.isMainWordListId(wordListId)) continue;
final Locale locale = LocaleUtils.constructLocaleFromString(localeString);
final AssetFileAddress fileAddress = AssetFileAddress.makeFromFile(dict);
final DictionaryInfo dictionaryInfo = createDictionaryInfoFromFileAddress(fileAddress);
// Protect against cases of a less-specific dictionary being found, like an
// en dictionary being used for an en_US locale. In this case, the en dictionary
// should be used for en_US but discounted for listing purposes.
if (!dictionaryInfo.mLocale.equals(locale)) continue;
addOrUpdateDictInfo(dictList, dictionaryInfo);
}
}
}
// Retrieve files from assets
final Resources resources = context.getResources();
final AssetManager assets = resources.getAssets();
for (final String localeString : assets.getLocales()) {
final Locale locale = LocaleUtils.constructLocaleFromString(localeString);
final int resourceId =
DictionaryInfoUtils.getMainDictionaryResourceIdIfAvailableForLocale(
context.getResources(), locale);
if (0 == resourceId) continue;
final AssetFileAddress fileAddress =
BinaryDictionaryGetter.loadFallbackResource(context, resourceId);
final DictionaryInfo dictionaryInfo = createDictionaryInfoFromFileAddress(fileAddress);
// Protect against cases of a less-specific dictionary being found, like an
// en dictionary being used for an en_US locale. In this case, the en dictionary
// should be used for en_US but discounted for listing purposes.
if (!dictionaryInfo.mLocale.equals(locale)) continue;
addOrUpdateDictInfo(dictList, dictionaryInfo);
}
return dictList;
}
private static DictionaryInfo createDictionaryInfoFromFileAddress(
final AssetFileAddress fileAddress) {
final FileHeader header =
BinaryDictIOUtils.getDictionaryFileHeaderOrNull(
new File(fileAddress.mFilename), fileAddress.mOffset, fileAddress.mLength);
final String id = header.getId();
final Locale locale = LocaleUtils.constructLocaleFromString(header.getLocaleString());
final String description = header.getDescription();
final String version = header.getVersion();
return new DictionaryInfo(id, locale, description, fileAddress, Integer.parseInt(version));
}
// Update the current input locale from Locale string.
private void updateInputLocale(String inputLocaleStr) {
// example: inputLocaleStr = "en_US" "en" ""
// "en_US" --> language: en & country: US
// "en" --> language: en
// "" --> the system locale
if (!TextUtils.isEmpty(inputLocaleStr)) {
mInputLocale = LocaleUtils.constructLocaleFromString(inputLocaleStr);
mInputLocaleStr = inputLocaleStr;
} else {
mInputLocale = mSystemLocale;
String country = mSystemLocale.getCountry();
mInputLocaleStr =
mSystemLocale.getLanguage()
+ (TextUtils.isEmpty(country) ? "" : "_" + mSystemLocale.getLanguage());
}
mIsSystemLanguageSameAsInputLanguage =
getSystemLocale().getLanguage().equalsIgnoreCase(getInputLocale().getLanguage());
mNeedsToDisplayLanguage =
!(getEnabledKeyboardLocaleCount() <= 1 && mIsSystemLanguageSameAsInputLanguage);
}
