Check probability before adding to the user history dict. (90ac041c) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/latin/DictionaryFacilitatorForSuggest.java

+24 −1

Original line number	Diff line number	Diff line
		@@ -44,6 +44,10 @@ import java.util.concurrent.TimeUnit;
		public class DictionaryFacilitatorForSuggest {
		public static final String TAG = DictionaryFacilitatorForSuggest.class.getSimpleName();

		// HACK: This threshold is being used when adding a capitalized entry in the User History
		// dictionary.
		private static final int CAPITALIZED_FORM_MAX_PROBABILITY_FOR_INSERT = 140;

		private final Context mContext;
		public final Locale mLocale;

		@@ -389,7 +393,26 @@ public class DictionaryFacilitatorForSuggest {
		if (maxFreq == 0) {
		return;
		}
		final String secondWord = wasAutoCapitalized ? suggestion.toLowerCase(mLocale) : suggestion;
		final String suggestionLowerCase = suggestion.toLowerCase(mLocale);
		final String secondWord;
		if (wasAutoCapitalized) {
		secondWord = suggestionLowerCase;
		} else {
		// HACK: We'd like to avoid adding the capitalized form of common words to the User
		// History dictionary in order to avoid suggesting them until the dictionary
		// consolidation is done.
		// TODO: Remove this hack when ready.
		final int lowerCasefreqInMainDict = mMainDictionary != null ?
		mMainDictionary.getFrequency(suggestionLowerCase) :
		Dictionary.NOT_A_PROBABILITY;
		if (maxFreq < lowerCasefreqInMainDict
		&& lowerCasefreqInMainDict >= CAPITALIZED_FORM_MAX_PROBABILITY_FOR_INSERT) {
		// Use lower cased word as the word can be a distracter of the popular word.
		secondWord = suggestionLowerCase;
		} else {
		secondWord = suggestion;
		}
		}
		// We demote unrecognized words (frequency < 0, below) by specifying them as "invalid".
		// We don't add words with 0-frequency (assuming they would be profanity etc.).
		final boolean isValid = maxFreq > 0;