Java 类android.view.textservice.SentenceSuggestionsInfo 实例源码

@Override
public void onGetSentenceSuggestions(SentenceSuggestionsInfo[] results) {
   try {
       final List<String> sb = new ArrayList<>();
       for (int i = 0; i < results.length; ++i) {
           final SentenceSuggestionsInfo ssi = results[i];

           for (int j = 0; j < ssi.getSuggestionsCount(); ++j) {
               dumpSuggestionsInfoInternal(
                       sb, ssi.getSuggestionsInfoAt(j), ssi.getOffsetAt(j), ssi.getLengthAt(j));
           }
       }

       setSuggestions(sb, true, true);
   }
   catch(Exception e){}

}

/**
 * Callback for {@link SpellCheckerSession#getSentenceSuggestions(TextInfo[], int)}
 * @param results an array of {@link SentenceSuggestionsInfo}s.
 * These results are suggestions for {@link TextInfo}s
 * queried by {@link SpellCheckerSession#getSentenceSuggestions(TextInfo[], int)}.
 */
@Override
public void onGetSentenceSuggestions(final SentenceSuggestionsInfo[] arg0) {
    if (!isSentenceSpellCheckSupported()) {
        Log.e(TAG, "Sentence spell check is not supported on this platform, "
                + "but accidentially called.");
        return;
    }
    Log.d(TAG, "onGetSentenceSuggestions");
    final StringBuilder sb = new StringBuilder();
    for (int i = 0; i < arg0.length; ++i) {
        final SentenceSuggestionsInfo ssi = arg0[i];
        for (int j = 0; j < ssi.getSuggestionsCount(); ++j) {
            dumpSuggestionsInfoInternal(
                    sb, ssi.getSuggestionsInfoAt(j), ssi.getOffsetAt(j), ssi.getLengthAt(j));
        }
    }
    runOnUiThread(new Runnable() {
        @Override
        public void run() {
            mMainView.append(sb.toString());
        }
    });
}

@Override
public SentenceSuggestionsInfo[] onGetSentenceSuggestionsMultiple(TextInfo[] textInfos,
        int suggestionsLimit) {
    final SentenceSuggestionsInfo[] retval = splitAndSuggest(textInfos, suggestionsLimit);
    if (retval == null || retval.length != textInfos.length) {
        return retval;
    }
    for (int i = 0; i < retval.length; ++i) {
        final SentenceSuggestionsInfo tempSsi =
                fixWronglyInvalidatedWordWithSingleQuote(textInfos[i], retval[i]);
        if (tempSsi != null) {
            retval[i] = tempSsi;
        }
    }
    return retval;
}

/**
 * Checks for typos and sends results back to native through a JNI call.
 * @param results Results returned by the Android spellchecker.
 */
@Override
public void onGetSentenceSuggestions(SentenceSuggestionsInfo[] results) {
    ArrayList<Integer> offsets = new ArrayList<Integer>();
    ArrayList<Integer> lengths = new ArrayList<Integer>();

    for (SentenceSuggestionsInfo result : results) {
        for (int i = 0; i < result.getSuggestionsCount(); i++) {
            // If a word looks like a typo, record its offset and length.
            if ((result.getSuggestionsInfoAt(i).getSuggestionsAttributes()
                    & SuggestionsInfo.RESULT_ATTR_LOOKS_LIKE_TYPO)
                    == SuggestionsInfo.RESULT_ATTR_LOOKS_LIKE_TYPO) {
                offsets.add(result.getOffsetAt(i));
                lengths.add(result.getLengthAt(i));
            }
        }
    }

    nativeProcessSpellCheckResults(mNativeSpellCheckerSessionBridge,
            convertListToArray(offsets), convertListToArray(lengths));
}

@Override
public SentenceSuggestionsInfo[] onGetSentenceSuggestionsMultiple(TextInfo[] textInfos,
        int suggestionsLimit) {
    final SentenceSuggestionsInfo[] retval =
            super.onGetSentenceSuggestionsMultiple(textInfos, suggestionsLimit);
    if (retval == null || retval.length != textInfos.length) {
        return retval;
    }
    for (int i = 0; i < retval.length; ++i) {
        final SentenceSuggestionsInfo tempSsi =
                fixWronglyInvalidatedWordWithSingleQuote(textInfos[i], retval[i]);
        if (tempSsi != null) {
            retval[i] = tempSsi;
        }
    }
    return retval;
}

@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
public static SentenceSuggestionsInfo reconstructSuggestions(
        SentenceTextInfoParams originalTextInfoParams, SuggestionsInfo[] results) {
    if (results == null || results.length == 0) {
        return null;
    }
    if (originalTextInfoParams == null) {
        return null;
    }
    final int originalCookie = originalTextInfoParams.mOriginalTextInfo.getCookie();
    final int originalSequence =
            originalTextInfoParams.mOriginalTextInfo.getSequence();

    final int querySize = originalTextInfoParams.mSize;
    final int[] offsets = new int[querySize];
    final int[] lengths = new int[querySize];
    final SuggestionsInfo[] reconstructedSuggestions = new SuggestionsInfo[querySize];
    for (int i = 0; i < querySize; ++i) {
        final SentenceWordItem item = originalTextInfoParams.mItems.get(i);
        SuggestionsInfo result = null;
        for (int j = 0; j < results.length; ++j) {
            final SuggestionsInfo cur = results[j];
            if (cur != null && cur.getSequence() == item.mTextInfo.getSequence()) {
                result = cur;
                result.setCookieAndSequence(originalCookie, originalSequence);
                break;
            }
        }
        offsets[i] = item.mStart;
        lengths[i] = item.mLength;
        reconstructedSuggestions[i] = result != null ? result : EMPTY_SUGGESTIONS_INFO;
    }
    return new SentenceSuggestionsInfo(reconstructedSuggestions, offsets, lengths);
}

/**
 * Get sentence suggestions for specified texts in an array of TextInfo. This is taken from
 * SpellCheckerService#onGetSentenceSuggestionsMultiple that we can't use because it's
 * using private variables.
 * The default implementation splits the input text to words and returns
 * {@link SentenceSuggestionsInfo} which contains suggestions for each word.
 * This function will run on the incoming IPC thread.
 * So, this is not called on the main thread,
 * but will be called in series on another thread.
 * @param textInfos an array of the text metadata
 * @param suggestionsLimit the maximum number of suggestions to be returned
 * @return an array of {@link SentenceSuggestionsInfo} returned by
 * {@link android.service.textservice.SpellCheckerService.Session#onGetSuggestions(TextInfo, int)}
 */
private SentenceSuggestionsInfo[] splitAndSuggest(TextInfo[] textInfos, int suggestionsLimit) {
    if (textInfos == null || textInfos.length == 0) {
        return SentenceLevelAdapter.getEmptySentenceSuggestionsInfo();
    }
    SentenceLevelAdapter sentenceLevelAdapter;
    synchronized(this) {
        sentenceLevelAdapter = mSentenceLevelAdapter;
        if (sentenceLevelAdapter == null) {
            final String localeStr = getLocale();
            if (!TextUtils.isEmpty(localeStr)) {
                sentenceLevelAdapter = new SentenceLevelAdapter(mResources,
                        new Locale(localeStr));
                mSentenceLevelAdapter = sentenceLevelAdapter;
            }
        }
    }
    if (sentenceLevelAdapter == null) {
        return SentenceLevelAdapter.getEmptySentenceSuggestionsInfo();
    }
    final int infosSize = textInfos.length;
    final SentenceSuggestionsInfo[] retval = new SentenceSuggestionsInfo[infosSize];
    for (int i = 0; i < infosSize; ++i) {
        final SentenceLevelAdapter.SentenceTextInfoParams textInfoParams =
                sentenceLevelAdapter.getSplitWords(textInfos[i]);
        final ArrayList<SentenceLevelAdapter.SentenceWordItem> mItems =
                textInfoParams.mItems;
        final int itemsSize = mItems.size();
        final TextInfo[] splitTextInfos = new TextInfo[itemsSize];
        for (int j = 0; j < itemsSize; ++j) {
            splitTextInfos[j] = mItems.get(j).mTextInfo;
        }
        retval[i] = SentenceLevelAdapter.reconstructSuggestions(
                textInfoParams, onGetSuggestionsMultiple(
                        splitTextInfos, suggestionsLimit, true));
    }
    return retval;
}

/**
 * Checks for typos and sends results back to native through a JNI call.
 * @param results Results returned by the Android spellchecker.
 */
@Override
public void onGetSentenceSuggestions(SentenceSuggestionsInfo[] results) {
    mStopMs = SystemClock.elapsedRealtime();

    if (mNativeSpellCheckerSessionBridge == 0) {
        return;
    }

    ArrayList<Integer> offsets = new ArrayList<Integer>();
    ArrayList<Integer> lengths = new ArrayList<Integer>();

    for (SentenceSuggestionsInfo result : results) {
        if (result == null) {
            // In some cases null can be returned by the selected spellchecking service,
            // see crbug.com/651458. In this case skip to next result to avoid a
            // NullPointerException later on.
            continue;
        }
        for (int i = 0; i < result.getSuggestionsCount(); i++) {
            // If a word looks like a typo, record its offset and length.
            if ((result.getSuggestionsInfoAt(i).getSuggestionsAttributes()
                    & SuggestionsInfo.RESULT_ATTR_LOOKS_LIKE_TYPO)
                    == SuggestionsInfo.RESULT_ATTR_LOOKS_LIKE_TYPO) {
                offsets.add(result.getOffsetAt(i));
                lengths.add(result.getLengthAt(i));
            }
        }
    }
    nativeProcessSpellCheckResults(mNativeSpellCheckerSessionBridge,
            convertListToArray(offsets), convertListToArray(lengths));

    RecordHistogram.recordTimesHistogram("SpellCheck.Android.Latency",
            mStopMs - mStartMs, TimeUnit.MILLISECONDS);
}

public static SentenceSuggestionsInfo[] getEmptySentenceSuggestionsInfo() {
    return EmptySentenceSuggestionsInfosInitializationHolder.EMPTY_SENTENCE_SUGGESTIONS_INFOS;
}

@Override
public void onGetSentenceSuggestions(SentenceSuggestionsInfo[] results) {


}