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Merge "Check probability before adding to the user history dict."

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This commit is contained in:
Keisuke Kuroyanagi 2014-01-28 07:35:30 +00:00 committed by Android (Google) Code Review
commit 25270ec540
1 changed files with 24 additions and 1 deletions
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java/src/com/android/inputmethod/latin/DictionaryFacilitatorForSuggest.java
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@ -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;