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AOSP changes to use KeyboardLayout to support the new DictionaryFacilitator

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Change-Id: Ie0c9ce805d9ad009fc9bbaac37b715aff90cd844
This commit is contained in:
Mohammadinamul Sheik 2015-02-04 12:50:31 -08:00
parent 0d3f01f301
commit b00c054125
13 changed files with 125 additions and 24 deletions
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6
common/src/com/android/inputmethod/latin/common/Constants.java
View File

@ -175,10 +175,12 @@ public final class Constants {
public static final int MAX_CHARACTERS_FOR_RECAPITALIZATION = 1024 * 100;
// Must be equal to MAX_WORD_LENGTH in native/jni/src/defines.h
// TODO: create a overlay and update the value appropriately for the new decoder.
public static final int DICTIONARY_MAX_WORD_LENGTH = 48;
// (MAX_PREV_WORD_COUNT_FOR_N_GRAM + 1)-gram is supported in Java side. Needs to modify
// MAX_PREV_WORD_COUNT_FOR_N_GRAM in native/jni/src/defines.h for suggestions.
// TODO: create a overlay and update the value appropriately for the new decoder.
public static final int MAX_PREV_WORD_COUNT_FOR_N_GRAM = 3;
// Key events coming any faster than this are long-presses.
@ -330,6 +332,10 @@ public final class Constants {
*/
public static final int DEFAULT_GESTURE_POINTS_CAPACITY = 128;
public static final int MAX_IME_DECODER_RESULTS = 20;
public static final int DECODER_SCORE_SCALAR = 1000000;
public static final int DECODER_MAX_SCORE = 1000000000;
private Constants() {
// This utility class is not publicly instantiable.
}

4
java/src/com/android/inputmethod/latin/DictionaryFacilitator.java
View File

@ -21,6 +21,7 @@ import android.util.Pair;
import android.view.inputmethod.InputMethodSubtype;
import com.android.inputmethod.annotations.UsedForTesting;
import com.android.inputmethod.keyboard.KeyboardLayout;
import com.android.inputmethod.latin.settings.SettingsValuesForSuggestion;
import com.android.inputmethod.latin.utils.SuggestionResults;
@ -131,7 +132,8 @@ public interface DictionaryFacilitator {
// TODO: Revise the way to fusion suggestion results.
SuggestionResults getSuggestionResults(final WordComposer composer,
final NgramContext ngramContext, final long proximityInfoHandle,
final SettingsValuesForSuggestion settingsValuesForSuggestion, final int sessionId);
final SettingsValuesForSuggestion settingsValuesForSuggestion, final int sessionId,
final int inputStyle, final KeyboardLayout keyboardLayout);
boolean isValidWord(final String word, final boolean ignoreCase);

9
java/src/com/android/inputmethod/latin/DictionaryFacilitatorImpl.java
View File

@ -23,6 +23,7 @@ import android.util.Pair;
import android.view.inputmethod.InputMethodSubtype;
import com.android.inputmethod.annotations.UsedForTesting;
import com.android.inputmethod.keyboard.KeyboardLayout;
import com.android.inputmethod.latin.NgramContext.WordInfo;
import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
import com.android.inputmethod.latin.common.Constants;
@ -699,9 +700,11 @@ public class DictionaryFacilitatorImpl implements DictionaryFacilitator {
}
// TODO: Revise the way to fusion suggestion results.
public SuggestionResults getSuggestionResults(final WordComposer composer,
final NgramContext ngramContext, final long proximityInfoHandle,
final SettingsValuesForSuggestion settingsValuesForSuggestion, final int sessionId) {
@Override
public SuggestionResults getSuggestionResults(WordComposer composer,
NgramContext ngramContext, long proximityInfoHandle,
SettingsValuesForSuggestion settingsValuesForSuggestion, int sessionId,
int inputStyle, KeyboardLayout keyboardLayout) {
final DictionaryGroup[] dictionaryGroups = mDictionaryGroups;
final SuggestionResults suggestionResults = new SuggestionResults(
SuggestedWords.MAX_SUGGESTIONS, ngramContext.isBeginningOfSentenceContext());

3
java/src/com/android/inputmethod/latin/LatinIME.java
View File

@ -1520,7 +1520,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
return;
}
mInputLogic.getSuggestedWords(mSettings.getCurrent(), keyboard.getProximityInfo(),
mKeyboardSwitcher.getKeyboardShiftMode(), inputStyle, sequenceNumber, callback);
mKeyboardSwitcher.getKeyboardShiftMode(), inputStyle, sequenceNumber, callback,
keyboard.getKeyboardLayout());
}
@Override

30
java/src/com/android/inputmethod/latin/NgramContext.java
View File

@ -22,6 +22,7 @@ import com.android.inputmethod.annotations.UsedForTesting;
import com.android.inputmethod.latin.common.Constants;
import com.android.inputmethod.latin.common.StringUtils;
import java.util.ArrayList;
import java.util.Arrays;
import javax.annotation.Nonnull;
@ -38,6 +39,10 @@ public class NgramContext {
public static final NgramContext BEGINNING_OF_SENTENCE =
new NgramContext(WordInfo.BEGINNING_OF_SENTENCE_WORD_INFO);
public static final String BEGINNING_OF_SENTENCE_TAG = "<S>";
public static final String CONTEXT_SEPARATOR = " ";
/**
* Word information used to represent previous words information.
*/
@ -114,6 +119,31 @@ public class NgramContext {
return new NgramContext(prevWordsInfo);
}
/**
* Extracts the previous words context.
*
* @return a String with the previous words separated by white space.
*/
public String extractPrevWordsContext() {
final ArrayList<String> terms = new ArrayList<>();
for (int i = mPrevWordsInfo.length - 1; i >= 0; --i) {
if (mPrevWordsInfo[i] != null && mPrevWordsInfo[i].isValid()) {
final NgramContext.WordInfo wordInfo = mPrevWordsInfo[i];
if (wordInfo.mIsBeginningOfSentence) {
terms.add(BEGINNING_OF_SENTENCE_TAG);
} else {
final String term = wordInfo.mWord.toString();
if (!term.isEmpty()) {
terms.add(term);
}
}
}
}
return terms.size() == 0 ? BEGINNING_OF_SENTENCE_TAG
: TextUtils.join(CONTEXT_SEPARATOR, terms);
}
public boolean isValid() {
return mPrevWordsCount > 0 && mPrevWordsInfo[0].isValid();
}

24
java/src/com/android/inputmethod/latin/Suggest.java
View File

@ -18,6 +18,7 @@ package com.android.inputmethod.latin;
import android.text.TextUtils;
import com.android.inputmethod.keyboard.KeyboardLayout;
import com.android.inputmethod.keyboard.ProximityInfo;
import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
import com.android.inputmethod.latin.common.Constants;
@ -97,14 +98,16 @@ public final class Suggest {
final NgramContext ngramContext, final ProximityInfo proximityInfo,
final SettingsValuesForSuggestion settingsValuesForSuggestion,
final boolean isCorrectionEnabled, final int inputStyle, final int sequenceNumber,
final OnGetSuggestedWordsCallback callback) {
final OnGetSuggestedWordsCallback callback,
final KeyboardLayout keyboardLayout) {
if (wordComposer.isBatchMode()) {
getSuggestedWordsForBatchInput(wordComposer, ngramContext, proximityInfo,
settingsValuesForSuggestion, inputStyle, sequenceNumber, callback);
settingsValuesForSuggestion, inputStyle, sequenceNumber, callback,
keyboardLayout);
} else {
getSuggestedWordsForNonBatchInput(wordComposer, ngramContext, proximityInfo,
settingsValuesForSuggestion, inputStyle, isCorrectionEnabled,
sequenceNumber, callback);
sequenceNumber, callback, keyboardLayout);
}
}
@ -163,7 +166,8 @@ public final class Suggest {
final NgramContext ngramContext, final ProximityInfo proximityInfo,
final SettingsValuesForSuggestion settingsValuesForSuggestion,
final int inputStyleIfNotPrediction, final boolean isCorrectionEnabled,
final int sequenceNumber, final OnGetSuggestedWordsCallback callback) {
final int sequenceNumber, final OnGetSuggestedWordsCallback callback,
final KeyboardLayout keyboardLayout) {
final String typedWordString = wordComposer.getTypedWord();
final int trailingSingleQuotesCount =
StringUtils.getTrailingSingleQuotesCount(typedWordString);
@ -173,7 +177,8 @@ public final class Suggest {
final SuggestionResults suggestionResults = mDictionaryFacilitator.getSuggestionResults(
wordComposer, ngramContext, proximityInfo.getNativeProximityInfo(),
settingsValuesForSuggestion, SESSION_ID_TYPING);
settingsValuesForSuggestion, SESSION_ID_TYPING, inputStyleIfNotPrediction,
keyboardLayout);
final Locale mostProbableLocale = mDictionaryFacilitator.getMostProbableLocale();
final ArrayList<SuggestedWordInfo> suggestionsContainer =
getTransformedSuggestedWordInfoList(wordComposer, suggestionResults,
@ -270,7 +275,9 @@ public final class Suggest {
hasAutoCorrection = false;
} else {
final SuggestedWordInfo firstSuggestion = suggestionResults.first();
if (!AutoCorrectionUtils.suggestionExceedsThreshold(
if (suggestionResults.mAutocorrectRecommendation) {
hasAutoCorrection = true;
} else if (!AutoCorrectionUtils.suggestionExceedsThreshold(
firstSuggestion, consideredWord, mAutoCorrectionThreshold)) {
// Score is too low for autocorrect
hasAutoCorrection = false;
@ -339,10 +346,11 @@ public final class Suggest {
final NgramContext ngramContext, final ProximityInfo proximityInfo,
final SettingsValuesForSuggestion settingsValuesForSuggestion,
final int inputStyle, final int sequenceNumber,
final OnGetSuggestedWordsCallback callback) {
final OnGetSuggestedWordsCallback callback,
final KeyboardLayout keyboardLayout) {
final SuggestionResults suggestionResults = mDictionaryFacilitator.getSuggestionResults(
wordComposer, ngramContext, proximityInfo.getNativeProximityInfo(),
settingsValuesForSuggestion, SESSION_ID_GESTURE);
settingsValuesForSuggestion, SESSION_ID_GESTURE, inputStyle, keyboardLayout);
// For transforming words that don't come from a dictionary, because it's our best bet
final Locale defaultLocale = mDictionaryFacilitator.getMostProbableLocale();
final ArrayList<SuggestedWordInfo> suggestionsContainer =

11
java/src/com/android/inputmethod/latin/WordComposer.java
View File

@ -16,6 +16,7 @@
package com.android.inputmethod.latin;
import com.android.inputmethod.annotations.UsedForTesting;
import com.android.inputmethod.event.CombinerChain;
import com.android.inputmethod.event.Event;
import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
@ -464,4 +465,14 @@ public final class WordComposer {
public String getRejectedBatchModeSuggestion() {
return mRejectedBatchModeSuggestion;
}
@UsedForTesting
void addInputPointerForTest(int index, int keyX, int keyY) {
mInputPointers.addPointerAt(index, keyX, keyY, 0, 0);
}
@UsedForTesting
void setTypedWordCacheForTests(String typedWordCacheForTests) {
mTypedWordCache = typedWordCacheForTests;
}
}

6
java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
View File

@ -32,6 +32,7 @@ import android.view.inputmethod.EditorInfo;
import com.android.inputmethod.compat.SuggestionSpanUtils;
import com.android.inputmethod.event.Event;
import com.android.inputmethod.event.InputTransaction;
import com.android.inputmethod.keyboard.KeyboardLayout;
import com.android.inputmethod.keyboard.KeyboardSwitcher;
import com.android.inputmethod.keyboard.ProximityInfo;
import com.android.inputmethod.latin.Dictionary;
@ -2115,7 +2116,8 @@ public final class InputLogic {
public void getSuggestedWords(final SettingsValues settingsValues,
final ProximityInfo proximityInfo, final int keyboardShiftMode, final int inputStyle,
final int sequenceNumber, final OnGetSuggestedWordsCallback callback) {
final int sequenceNumber, final OnGetSuggestedWordsCallback callback,
final KeyboardLayout keyboardLayout) {
mWordComposer.adviseCapitalizedModeBeforeFetchingSuggestions(
getActualCapsMode(settingsValues, keyboardShiftMode));
mSuggest.getSuggestedWords(mWordComposer,
@ -2129,7 +2131,7 @@ public final class InputLogic {
new SettingsValuesForSuggestion(settingsValues.mBlockPotentiallyOffensive,
settingsValues.mPhraseGestureEnabled),
settingsValues.mAutoCorrectionEnabledPerUserSettings,
inputStyle, sequenceNumber, callback);
inputStyle, sequenceNumber, callback, keyboardLayout);
}
/**

7
java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
View File

@ -27,6 +27,7 @@ import android.view.textservice.SuggestionsInfo;
import com.android.inputmethod.keyboard.Keyboard;
import com.android.inputmethod.keyboard.KeyboardId;
import com.android.inputmethod.keyboard.KeyboardLayout;
import com.android.inputmethod.keyboard.KeyboardLayoutSet;
import com.android.inputmethod.keyboard.ProximityInfo;
import com.android.inputmethod.latin.DictionaryFacilitator;
@ -34,6 +35,7 @@ import com.android.inputmethod.latin.DictionaryFacilitatorLruCache;
import com.android.inputmethod.latin.NgramContext;
import com.android.inputmethod.latin.R;
import com.android.inputmethod.latin.RichInputMethodSubtype;
import com.android.inputmethod.latin.SuggestedWords;
import com.android.inputmethod.latin.settings.SettingsValuesForSuggestion;
import com.android.inputmethod.latin.utils.AdditionalSubtypeUtils;
import com.android.inputmethod.latin.utils.ScriptUtils;
@ -159,7 +161,8 @@ public final class AndroidSpellCheckerService extends SpellCheckerService
}
public SuggestionResults getSuggestionResults(final Locale locale, final WordComposer composer,
final NgramContext ngramContext, final ProximityInfo proximityInfo) {
final NgramContext ngramContext, final ProximityInfo proximityInfo,
final KeyboardLayout keyboardLayout) {
Integer sessionId = null;
mSemaphore.acquireUninterruptibly();
try {
@ -168,7 +171,7 @@ public final class AndroidSpellCheckerService extends SpellCheckerService
mDictionaryFacilitatorCache.get(locale);
return dictionaryFacilitatorForLocale.getSuggestionResults(composer, ngramContext,
proximityInfo.getNativeProximityInfo(), mSettingsValuesForSuggestion,
sessionId);
sessionId, SuggestedWords.INPUT_STYLE_TYPING, keyboardLayout);
} finally {
if (sessionId != null) {
mSessionIdPool.add(sessionId);

6
java/src/com/android/inputmethod/latin/spellcheck/AndroidWordLevelSpellCheckerSession.java
View File

@ -29,6 +29,7 @@ import android.view.textservice.TextInfo;
import com.android.inputmethod.compat.SuggestionsInfoCompatUtils;
import com.android.inputmethod.keyboard.Keyboard;
import com.android.inputmethod.keyboard.KeyboardLayout;
import com.android.inputmethod.keyboard.ProximityInfo;
import com.android.inputmethod.latin.NgramContext;
import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
@ -271,18 +272,21 @@ public abstract class AndroidWordLevelSpellCheckerSession extends Session {
final int[] codePoints = StringUtils.toCodePointArray(text);
final int[] coordinates;
final ProximityInfo proximityInfo;
final KeyboardLayout keyboardLayout;
if (null == keyboard) {
coordinates = CoordinateUtils.newCoordinateArray(codePoints.length,
Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE);
proximityInfo = null;
keyboardLayout = null;
} else {
coordinates = keyboard.getCoordinates(codePoints);
proximityInfo = keyboard.getProximityInfo();
keyboardLayout = keyboard.getKeyboardLayout();
}
composer.setComposingWord(codePoints, coordinates);
// TODO: Don't gather suggestions if the limit is <= 0 unless necessary
final SuggestionResults suggestionResults = mService.getSuggestionResults(
mLocale, composer, ngramContext, proximityInfo);
mLocale, composer, ngramContext, proximityInfo, keyboardLayout);
final Result result = getResult(capitalizeType, mLocale, suggestionsLimit,
mService.getRecommendedThreshold(), text, suggestionResults);
isInDict = isInDictForAnyCapitalization(text, capitalizeType);

5
java/src/com/android/inputmethod/latin/utils/DistracterFilterCheckingExactMatchesAndSuggestions.java
View File

@ -38,6 +38,7 @@ import com.android.inputmethod.latin.DictionaryFacilitator;
import com.android.inputmethod.latin.DictionaryFacilitatorLruCache;
import com.android.inputmethod.latin.NgramContext;
import com.android.inputmethod.latin.RichInputMethodSubtype;
import com.android.inputmethod.latin.SuggestedWords;
import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
import com.android.inputmethod.latin.WordComposer;
import com.android.inputmethod.latin.common.StringUtils;
@ -252,7 +253,9 @@ public class DistracterFilterCheckingExactMatchesAndSuggestions implements Distr
suggestionResults = dictionaryFacilitator.getSuggestionResults(composer,
NgramContext.EMPTY_PREV_WORDS_INFO,
keyboard.getProximityInfo().getNativeProximityInfo(),
settingsValuesForSuggestion, 0 /* sessionId */);
settingsValuesForSuggestion, 0 /* sessionId */,
SuggestedWords.INPUT_STYLE_TYPING,
keyboard.getKeyboardLayout());
}
if (suggestionResults.isEmpty()) {
return false;

14
java/src/com/android/inputmethod/latin/utils/SuggestionResults.java
View File

@ -33,14 +33,21 @@ public final class SuggestionResults extends TreeSet<SuggestedWordInfo> {
// TODO: Instead of a boolean , we may want to include the context of this suggestion results,
// such as {@link NgramContext}.
public final boolean mIsBeginningOfSentence;
public final boolean mAutocorrectRecommendation;
private final int mCapacity;
public SuggestionResults(final int capacity, final boolean isBeginningOfSentence) {
this(sSuggestedWordInfoComparator, capacity, isBeginningOfSentence);
this(sSuggestedWordInfoComparator, capacity, isBeginningOfSentence, false);
}
private SuggestionResults(final Comparator<SuggestedWordInfo> comparator,
final int capacity, final boolean isBeginningOfSentence) {
public SuggestionResults(final int capacity, final boolean isBeginningOfSentence,
final boolean autocorrectRecommendation) {
this(sSuggestedWordInfoComparator, capacity, isBeginningOfSentence,
autocorrectRecommendation);
}
private SuggestionResults(final Comparator<SuggestedWordInfo> comparator, final int capacity,
final boolean isBeginningOfSentence, final boolean autocorrectRecommendation) {
super(comparator);
mCapacity = capacity;
if (ProductionFlags.INCLUDE_RAW_SUGGESTIONS) {
@ -49,6 +56,7 @@ public final class SuggestionResults extends TreeSet<SuggestedWordInfo> {
mRawSuggestions = null;
}
mIsBeginningOfSentence = isBeginningOfSentence;
mAutocorrectRecommendation = autocorrectRecommendation;
}
@Override

24
tests/src/com/android/inputmethod/keyboard/KeyboardLayoutTest.java
View File

@ -45,8 +45,10 @@ public class KeyboardLayoutTest {
assertEquals(0, keyboardLayout.getKeyXCoordinates().length);
assertEquals(0, keyboardLayout.getKeyYCoordinates().length);
Key key1 = new Key("label1", 101, 102, "101", "101hint", 103, 104, 105, 106, 1100, 1101, 2, 2);
Key key2 = new Key("label2", 201, 202, "201", "201hint", 203, 204, 205, 206, 2100, 2201, 2, 2);
Key key1 = new Key("label1", 101, 102, "101", "101hint", 103, 104, 105, 106, 1100, 1101,
10, 10);
Key key2 = new Key("label2", 201, 103, "201", "201hint", 203, 204, 205, 206, 2100, 2101,
10, 10);
ArrayList<Key> sortedKeys = new ArrayList<>(2);
sortedKeys.add(key1);
@ -57,5 +59,23 @@ public class KeyboardLayoutTest {
assertEquals(2, keyboardLayout.getKeyHeights().length);
assertEquals(2, keyboardLayout.getKeyXCoordinates().length);
assertEquals(2, keyboardLayout.getKeyYCoordinates().length);
assertEquals(102, keyboardLayout.getKeyCodes()[0]);
// xCo + horizontalGap/2
assertEquals(105 + 5, keyboardLayout.getKeyXCoordinates()[0]);
assertEquals(106, keyboardLayout.getKeyYCoordinates()[0]);
// width - horizontalGap
assertEquals(1100 - 10, keyboardLayout.getKeyWidths()[0]);
// height - verticalGap
assertEquals(1101 - 10, keyboardLayout.getKeyHeights()[0]);
assertEquals(103, keyboardLayout.getKeyCodes()[1]);
// xCo + horizontalGap/2
assertEquals(205 + 5, keyboardLayout.getKeyXCoordinates()[1]);
assertEquals(206, keyboardLayout.getKeyYCoordinates()[1]);
// width - horizontalGap
assertEquals(2100 - 10, keyboardLayout.getKeyWidths()[1]);
// height - verticalGap
assertEquals(2101 - 10, keyboardLayout.getKeyHeights()[1]);
}
}