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Merge "[AC4] Add native methods necessary for auto-commit"

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This commit is contained in:
Jean Chalard 2013-09-13 11:41:55 +00:00 committed by Android (Google) Code Review
commit 41aaff6cdf
10 changed files with 73 additions and 19 deletions
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28
java/src/com/android/inputmethod/latin/BinaryDictionary.java
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@ -40,6 +40,9 @@ public final class BinaryDictionary extends Dictionary {
private static final int MAX_WORD_LENGTH = Constants.DICTIONARY_MAX_WORD_LENGTH;
// Must be equal to MAX_RESULTS in native/jni/src/defines.h
private static final int MAX_RESULTS = 18;
// Required space count for auto commit.
// TODO: Remove this heuristic.
private static final int SPACE_COUNT_FOR_AUTO_COMMIT = 3;
private long mNativeDict;
private final Locale mLocale;
@ -49,6 +52,7 @@ public final class BinaryDictionary extends Dictionary {
private final int[] mSpaceIndices = new int[MAX_RESULTS];
private final int[] mOutputScores = new int[MAX_RESULTS];
private final int[] mOutputTypes = new int[MAX_RESULTS];
private final int[] mOutputAutoCommitFirstWordConfidence = new int[1]; // Only one result
private final NativeSuggestOptions mNativeSuggestOptions = new NativeSuggestOptions();
@ -104,7 +108,8 @@ public final class BinaryDictionary extends Dictionary {
long traverseSession, int[] xCoordinates, int[] yCoordinates, int[] times,
int[] pointerIds, int[] inputCodePoints, int inputSize, int commitPoint,
int[] suggestOptions, int[] prevWordCodePointArray,
int[] outputCodePoints, int[] outputScores, int[] outputIndices, int[] outputTypes);
int[] outputCodePoints, int[] outputScores, int[] outputIndices, int[] outputTypes,
int[] outputAutoCommitFirstWordConfidence);
private static native float calcNormalizedScoreNative(int[] before, int[] after, int score);
private static native int editDistanceNative(int[] before, int[] after);
private static native void addUnigramWordNative(long dict, int[] word, int probability);
@ -157,7 +162,7 @@ public final class BinaryDictionary extends Dictionary {
ips.getYCoordinates(), ips.getTimes(), ips.getPointerIds(), mInputCodePoints,
inputSize, 0 /* commitPoint */, mNativeSuggestOptions.getOptions(),
prevWordCodePointArray, mOutputCodePoints, mOutputScores, mSpaceIndices,
mOutputTypes);
mOutputTypes, mOutputAutoCommitFirstWordConfidence);
final ArrayList<SuggestedWordInfo> suggestions = CollectionUtils.newArrayList();
for (int j = 0; j < count; ++j) {
final int start = j * MAX_WORD_LENGTH;
@ -181,7 +186,8 @@ public final class BinaryDictionary extends Dictionary {
// flags too and pass mOutputTypes[j] instead of kind
suggestions.add(new SuggestedWordInfo(new String(mOutputCodePoints, start, len),
score, kind, this /* sourceDict */,
mSpaceIndices[0] /* indexOfTouchPointOfSecondWord */));
mSpaceIndices[0] /* indexOfTouchPointOfSecondWord */,
mOutputAutoCommitFirstWordConfidence[0]));
}
}
return suggestions;
@ -255,6 +261,22 @@ public final class BinaryDictionary extends Dictionary {
removeBigramWordsNative(mNativeDict, codePoints0, codePoints1);
}
@Override
public boolean shouldAutoCommit(final SuggestedWordInfo candidate) {
// TODO: actually use the confidence rather than use this completely broken heuristic
final String word = candidate.mWord;
final int length = word.length();
int remainingSpaces = SPACE_COUNT_FOR_AUTO_COMMIT;
for (int i = 0; i < length; ++i) {
// This is okay because no low-surrogate and no high-surrogate can ever match the
// space character, so we don't need to take care of iterating on code points.
if (Constants.CODE_SPACE == word.charAt(i)) {
if (0 >= --remainingSpaces) return true;
}
}
return false;
}
@Override
public void close() {
synchronized (mDicTraverseSessions) {

5
java/src/com/android/inputmethod/latin/Dictionary.java
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@ -137,7 +137,10 @@ public abstract class Dictionary {
}
/**
* Whether we think this suggestion should trigger an auto-commit.
* Whether we think this suggestion should trigger an auto-commit. prevWord is the word
* before the suggestion, so that we can use n-gram frequencies.
* @param candidate The candidate suggestion, in whole (not only the first part).
* @return whether we should auto-commit or not.
*/
public boolean shouldAutoCommit(final SuggestedWordInfo candidate) {
// If we don't have support for auto-commit, or if we don't know, we return false to

9
java/src/com/android/inputmethod/latin/ExpandableDictionary.java
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@ -344,7 +344,8 @@ public class ExpandableDictionary extends Dictionary {
// in the future.
suggestions.add(new SuggestedWordInfo(new String(word, 0, depth + 1), finalFreq,
SuggestedWordInfo.KIND_CORRECTION, this /* sourceDict */,
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */));
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */,
SuggestedWordInfo.NOT_A_CONFIDENCE /* autoCommitFirstWordConfidence */));
if (suggestions.size() >= Suggest.MAX_SUGGESTIONS) return false;
}
if (null != node.mShortcutTargets) {
@ -353,7 +354,8 @@ public class ExpandableDictionary extends Dictionary {
final char[] shortcut = node.mShortcutTargets.get(shortcutIndex);
suggestions.add(new SuggestedWordInfo(new String(shortcut, 0, shortcut.length),
finalFreq, SuggestedWordInfo.KIND_SHORTCUT, this /* sourceDict */,
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */));
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */,
SuggestedWordInfo.NOT_A_CONFIDENCE /* autoCommitFirstWordConfidence */));
if (suggestions.size() > Suggest.MAX_SUGGESTIONS) return false;
}
}
@ -604,7 +606,8 @@ public class ExpandableDictionary extends Dictionary {
suggestions.add(new SuggestedWordInfo(new String(mLookedUpString, index,
Constants.DICTIONARY_MAX_WORD_LENGTH - index),
freq, SuggestedWordInfo.KIND_CORRECTION, this /* sourceDict */,
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */));
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */,
SuggestedWordInfo.NOT_A_CONFIDENCE /* autoCommitFirstWordConfidence */));
}
}
}

4
java/src/com/android/inputmethod/latin/LatinIME.java
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@ -2702,7 +2702,9 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
suggestions.add(new SuggestedWordInfo(s,
SuggestionStripView.MAX_SUGGESTIONS - i,
SuggestedWordInfo.KIND_RESUMED, Dictionary.DICTIONARY_RESUMED,
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */));
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */,
SuggestedWordInfo.NOT_A_CONFIDENCE
/* autoCommitFirstWordConfidence */));
}
}
}

6
java/src/com/android/inputmethod/latin/Suggest.java
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@ -327,7 +327,8 @@ public final class Suggest {
suggestionsContainer.add(0, new SuggestedWordInfo(typedWord,
SuggestedWordInfo.MAX_SCORE, SuggestedWordInfo.KIND_TYPED,
Dictionary.DICTIONARY_USER_TYPED,
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */));
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */,
SuggestedWordInfo.NOT_A_CONFIDENCE /* autoCommitFirstWordConfidence */));
}
SuggestedWordInfo.removeDups(suggestionsContainer);
@ -474,7 +475,8 @@ public final class Suggest {
sb.appendCodePoint(Constants.CODE_SINGLE_QUOTE);
}
return new SuggestedWordInfo(sb.toString(), wordInfo.mScore, wordInfo.mKind,
wordInfo.mSourceDict, wordInfo.mIndexOfTouchPointOfSecondWord);
wordInfo.mSourceDict, wordInfo.mIndexOfTouchPointOfSecondWord,
SuggestedWordInfo.NOT_A_CONFIDENCE /* autoCommitFirstWordConfidence */);
}
public void close() {

23
java/src/com/android/inputmethod/latin/SuggestedWords.java
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@ -114,7 +114,8 @@ public final class SuggestedWords {
final SuggestedWordInfo suggestedWordInfo = new SuggestedWordInfo(text.toString(),
SuggestedWordInfo.MAX_SCORE, SuggestedWordInfo.KIND_APP_DEFINED,
Dictionary.DICTIONARY_APPLICATION_DEFINED,
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */);
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */,
SuggestedWordInfo.NOT_A_CONFIDENCE /* autoCommitFirstWordConfidence */);
result.add(suggestedWordInfo);
}
return result;
@ -128,7 +129,8 @@ public final class SuggestedWords {
final HashSet<String> alreadySeen = CollectionUtils.newHashSet();
suggestionsList.add(new SuggestedWordInfo(typedWord, SuggestedWordInfo.MAX_SCORE,
SuggestedWordInfo.KIND_TYPED, Dictionary.DICTIONARY_USER_TYPED,
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */));
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */,
SuggestedWordInfo.NOT_A_CONFIDENCE /* autoCommitFirstWordConfidence */));
alreadySeen.add(typedWord.toString());
final int previousSize = previousSuggestions.size();
for (int index = 1; index < previousSize; index++) {
@ -151,6 +153,7 @@ public final class SuggestedWords {
public static final class SuggestedWordInfo {
public static final int NOT_AN_INDEX = -1;
public static final int NOT_A_CONFIDENCE = -1;
public static final int MAX_SCORE = Integer.MAX_VALUE;
public static final int KIND_MASK_KIND = 0xFF; // Mask to get only the kind
public static final int KIND_TYPED = 0; // What user typed
@ -180,16 +183,30 @@ public final class SuggestedWords {
// passed to native code to get suggestions for a gesture that corresponds to the first
// letter of the second word.
public final int mIndexOfTouchPointOfSecondWord;
// For auto-commit. This is a measure of how confident we are that we can commit the
// first word of this suggestion.
public final int mAutoCommitFirstWordConfidence;
private String mDebugString = "";
/**
* Create a new suggested word info.
* @param word The string to suggest.
* @param score A measure of how likely this suggestion is.
* @param kind The kind of suggestion, as one of the above KIND_* constants.
* @param sourceDict What instance of Dictionary produced this suggestion.
* @param indexOfTouchPointOfSecondWord See mIndexOfTouchPointOfSecondWord.
* @param autoCommitFirstWordConfidence See mAutoCommitFirstWordConfidence.
*/
public SuggestedWordInfo(final String word, final int score, final int kind,
final Dictionary sourceDict, final int indexOfTouchPointOfSecondWord) {
final Dictionary sourceDict, final int indexOfTouchPointOfSecondWord,
final int autoCommitFirstWordConfidence) {
mWord = word;
mScore = score;
mKind = kind;
mSourceDict = sourceDict;
mCodePointCount = StringUtils.codePointCount(mWord);
mIndexOfTouchPointOfSecondWord = indexOfTouchPointOfSecondWord;
mAutoCommitFirstWordConfidence = autoCommitFirstWordConfidence;
}
public boolean isEligibleForAutoCommit() {

3
java/src/com/android/inputmethod/latin/settings/SettingsValues.java
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@ -295,7 +295,8 @@ public final class SettingsValues {
puncList.add(new SuggestedWordInfo(KeySpecParser.getLabel(puncSpec),
SuggestedWordInfo.MAX_SCORE, SuggestedWordInfo.KIND_HARDCODED,
Dictionary.DICTIONARY_HARDCODED,
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */));
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */,
SuggestedWordInfo.NOT_A_CONFIDENCE /* autoCommitFirstWordConfidence */));
}
}
return new SuggestedWords(puncList,

5
native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp
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@ -70,7 +70,8 @@ static int latinime_BinaryDictionary_getSuggestions(JNIEnv *env, jclass clazz, j
jintArray yCoordinatesArray, jintArray timesArray, jintArray pointerIdsArray,
jintArray inputCodePointsArray, jint inputSize, jint commitPoint, jintArray suggestOptions,
jintArray prevWordCodePointsForBigrams, jintArray outputCodePointsArray,
jintArray scoresArray, jintArray spaceIndicesArray, jintArray outputTypesArray) {
jintArray scoresArray, jintArray spaceIndicesArray, jintArray outputTypesArray,
jintArray outputAutoCommitFirstWordConfidence) {
Dictionary *dictionary = reinterpret_cast<Dictionary *>(dict);
if (!dictionary) return 0;
ProximityInfo *pInfo = reinterpret_cast<ProximityInfo *>(proximityInfo);
@ -253,7 +254,7 @@ static const JNINativeMethod sMethods[] = {
},
{
const_cast<char *>("getSuggestionsNative"),
const_cast<char *>("(JJJ[I[I[I[I[III[I[I[I[I[I[I)I"),
const_cast<char *>("(JJJ[I[I[I[I[III[I[I[I[I[I[I[I)I"),
reinterpret_cast<void *>(latinime_BinaryDictionary_getSuggestions)
},
{

3
tests/src/com/android/inputmethod/latin/InputTestsBase.java
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@ -259,7 +259,8 @@ public class InputTestsBase extends ServiceTestCase<LatinIMEForTests> {
protected void pickSuggestionManually(final int index, final String suggestion) {
mLatinIME.pickSuggestionManually(index, new SuggestedWordInfo(suggestion, 1,
SuggestedWordInfo.KIND_CORRECTION, null /* sourceDict */,
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */));
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */,
SuggestedWordInfo.NOT_A_CONFIDENCE /* autoCommitFirstWordConfidence */));
}
// Helper to avoid writing the try{}catch block each time

6
tests/src/com/android/inputmethod/latin/SuggestedWordsTests.java
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@ -35,11 +35,13 @@ public class SuggestedWordsTests extends AndroidTestCase {
final ArrayList<SuggestedWordInfo> list = CollectionUtils.newArrayList();
list.add(new SuggestedWordInfo(TYPED_WORD, TYPED_WORD_FREQ,
SuggestedWordInfo.KIND_TYPED, null /* sourceDict */,
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */));
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */,
SuggestedWordInfo.NOT_A_CONFIDENCE /* autoCommitFirstWordConfidence */));
for (int i = 0; i < NUMBER_OF_ADDED_SUGGESTIONS; ++i) {
list.add(new SuggestedWordInfo("" + i, 1, SuggestedWordInfo.KIND_CORRECTION,
null /* sourceDict */,
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */));
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */,
SuggestedWordInfo.NOT_A_CONFIDENCE /* autoCommitFirstWordConfidence */));
}
final SuggestedWords words = new SuggestedWords(