/**
* Determine whether a word is a distracter to words in dictionaries.
*
* @param prevWordsInfo the information of previous words. Not used for now.
* @param testedWord the word that will be tested to see whether it is a distracter to words in
* dictionaries.
* @param locale the locale of word.
* @return true if testedWord is a distracter, otherwise false.
*/
@Override
public boolean isDistracterToWordsInDictionaries(
final PrevWordsInfo prevWordsInfo, final String testedWord, final Locale locale) {
if (locale == null) {
return false;
}
if (!locale.equals(mDictionaryFacilitator.getLocale())) {
synchronized (mLock) {
if (!mLocaleToSubtypeMap.containsKey(locale)) {
Log.e(TAG, "Locale " + locale + " is not enabled.");
// TODO: Investigate what we should do for disabled locales.
return false;
}
loadKeyboardForLocale(locale);
// Reset dictionaries for the locale.
try {
mDistractersCache.evictAll();
loadDictionariesForLocale(locale);
} catch (final InterruptedException e) {
Log.e(TAG, "Interrupted while waiting for loading dicts in DistracterFilter", e);
return false;
}
}
}
if (DEBUG) {
Log.d(TAG, "testedWord: " + testedWord);
}
final Boolean isCachedDistracter = mDistractersCache.get(testedWord);
if (isCachedDistracter != null && isCachedDistracter) {
if (DEBUG) {
Log.d(TAG, "isDistracter: true (cache hit)");
}
return true;
}
final boolean isDistracterCheckedByGetMaxFreqencyOfExactMatches =
checkDistracterUsingMaxFreqencyOfExactMatches(testedWord);
if (isDistracterCheckedByGetMaxFreqencyOfExactMatches) {
// Add the word to the cache.
mDistractersCache.put(testedWord, Boolean.TRUE);
return true;
}
final boolean isValidWord =
mDictionaryFacilitator.isValidWord(testedWord, false /* ignoreCase */);
if (isValidWord) {
// Valid word is not a distractor.
if (DEBUG) {
Log.d(TAG, "isDistracter: false (valid word)");
}
return false;
}
final boolean isDistracterCheckedByGetSuggestion =
checkDistracterUsingGetSuggestions(testedWord);
if (isDistracterCheckedByGetSuggestion) {
// Add the word to the cache.
mDistractersCache.put(testedWord, Boolean.TRUE);
return true;
}
return false;
}
