Move phrase gesture from additional features to public.

Bug: 15758242
Change-Id: I703dc2703afdf9402c5d2ac27411b74ece993dba
diff --git a/java/res/xml/prefs.xml b/java/res/xml/prefs.xml
index e71d951..550e71a 100644
--- a/java/res/xml/prefs.xml
+++ b/java/res/xml/prefs.xml
@@ -103,6 +103,13 @@
             android:title="@string/gesture_preview_trail"
             android:defaultValue="true"
             android:persistent="true" />
+        <CheckBoxPreference
+            android:key="pref_gesture_space_aware"
+            android:dependency="gesture_input"
+            android:title="@string/gesture_space_aware"
+            android:summary="@string/gesture_space_aware_summary"
+            android:defaultValue="true"
+            android:persistent="true" />
     </PreferenceScreen>
     <PreferenceScreen
         android:title="@string/settings_screen_correction"
diff --git a/java/src/com/android/inputmethod/latin/BinaryDictionary.java b/java/src/com/android/inputmethod/latin/BinaryDictionary.java
index 1b57918..c799ac7 100644
--- a/java/src/com/android/inputmethod/latin/BinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/BinaryDictionary.java
@@ -28,6 +28,7 @@
 import com.android.inputmethod.latin.makedict.FormatSpec.DictionaryOptions;
 import com.android.inputmethod.latin.makedict.UnsupportedFormatException;
 import com.android.inputmethod.latin.makedict.WordProperty;
+import com.android.inputmethod.latin.settings.SettingsValuesForSuggestion;
 import com.android.inputmethod.latin.utils.BinaryDictionaryUtils;
 import com.android.inputmethod.latin.utils.FileUtils;
 import com.android.inputmethod.latin.utils.JniUtils;
@@ -256,7 +257,7 @@
     @Override
     public ArrayList<SuggestedWordInfo> getSuggestions(final WordComposer composer,
             final PrevWordsInfo prevWordsInfo, final ProximityInfo proximityInfo,
-            final boolean blockOffensiveWords, final int[] additionalFeaturesOptions,
+            final SettingsValuesForSuggestion settingsValuesForSuggestion,
             final int sessionId, final float[] inOutLanguageWeight) {
         if (!isValidDictionary()) {
             return null;
@@ -279,8 +280,12 @@
         }
         session.mNativeSuggestOptions.setUseFullEditDistance(mUseFullEditDistance);
         session.mNativeSuggestOptions.setIsGesture(isGesture);
-        session.mNativeSuggestOptions.setBlockOffensiveWords(blockOffensiveWords);
-        session.mNativeSuggestOptions.setAdditionalFeaturesOptions(additionalFeaturesOptions);
+        session.mNativeSuggestOptions.setBlockOffensiveWords(
+                settingsValuesForSuggestion.mBlockPotentiallyOffensive);
+        session.mNativeSuggestOptions.setSpaceAwareGestureEnabled(
+                settingsValuesForSuggestion.mSpaceAwareGestureEnabled);
+        session.mNativeSuggestOptions.setAdditionalFeaturesOptions(
+                settingsValuesForSuggestion.mAdditionalFeaturesSettingValues);
         if (inOutLanguageWeight != null) {
             session.mInputOutputLanguageWeight[0] = inOutLanguageWeight[0];
         } else {
diff --git a/java/src/com/android/inputmethod/latin/Dictionary.java b/java/src/com/android/inputmethod/latin/Dictionary.java
index b55ed12..560ced9 100644
--- a/java/src/com/android/inputmethod/latin/Dictionary.java
+++ b/java/src/com/android/inputmethod/latin/Dictionary.java
@@ -19,6 +19,7 @@
 import com.android.inputmethod.annotations.UsedForTesting;
 import com.android.inputmethod.keyboard.ProximityInfo;
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
+import com.android.inputmethod.latin.settings.SettingsValuesForSuggestion;
 
 import java.util.ArrayList;
 
@@ -72,8 +73,7 @@
      * @param composer the key sequence to match with coordinate info, as a WordComposer
      * @param prevWordsInfo the information of previous words.
      * @param proximityInfo the object for key proximity. May be ignored by some implementations.
-     * @param blockOffensiveWords whether to block potentially offensive words
-     * @param additionalFeaturesOptions options about additional features used for the suggestion.
+     * @param settingsValuesForSuggestion the settings values used for the suggestion.
      * @param sessionId the session id.
      * @param inOutLanguageWeight the language weight used for generating suggestions.
      * inOutLanguageWeight is a float array that has only one element. This can be updated when the
@@ -82,7 +82,7 @@
      */
     abstract public ArrayList<SuggestedWordInfo> getSuggestions(final WordComposer composer,
             final PrevWordsInfo prevWordsInfo, final ProximityInfo proximityInfo,
-            final boolean blockOffensiveWords, final int[] additionalFeaturesOptions,
+            final SettingsValuesForSuggestion settingsValuesForSuggestion,
             final int sessionId, final float[] inOutLanguageWeight);
 
     /**
@@ -168,7 +168,7 @@
         @Override
         public ArrayList<SuggestedWordInfo> getSuggestions(final WordComposer composer,
                 final PrevWordsInfo prevWordsInfo, final ProximityInfo proximityInfo,
-                final boolean blockOffensiveWords, final int[] additionalFeaturesOptions,
+                final SettingsValuesForSuggestion settingsValuesForSuggestion,
                 final int sessionId, final float[] inOutLanguageWeight) {
             return null;
         }
diff --git a/java/src/com/android/inputmethod/latin/DictionaryCollection.java b/java/src/com/android/inputmethod/latin/DictionaryCollection.java
index 89d61ce..2b4c54d 100644
--- a/java/src/com/android/inputmethod/latin/DictionaryCollection.java
+++ b/java/src/com/android/inputmethod/latin/DictionaryCollection.java
@@ -20,6 +20,7 @@
 
 import com.android.inputmethod.keyboard.ProximityInfo;
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
+import com.android.inputmethod.latin.settings.SettingsValuesForSuggestion;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -57,21 +58,21 @@
     @Override
     public ArrayList<SuggestedWordInfo> getSuggestions(final WordComposer composer,
             final PrevWordsInfo prevWordsInfo, final ProximityInfo proximityInfo,
-            final boolean blockOffensiveWords, final int[] additionalFeaturesOptions,
+            final SettingsValuesForSuggestion settingsValuesForSuggestion,
             final int sessionId, final float[] inOutLanguageWeight) {
         final CopyOnWriteArrayList<Dictionary> dictionaries = mDictionaries;
         if (dictionaries.isEmpty()) return null;
         // To avoid creating unnecessary objects, we get the list out of the first
         // dictionary and add the rest to it if not null, hence the get(0)
         ArrayList<SuggestedWordInfo> suggestions = dictionaries.get(0).getSuggestions(composer,
-                prevWordsInfo, proximityInfo, blockOffensiveWords, additionalFeaturesOptions,
-                sessionId, inOutLanguageWeight);
+                prevWordsInfo, proximityInfo, settingsValuesForSuggestion, sessionId,
+                inOutLanguageWeight);
         if (null == suggestions) suggestions = new ArrayList<>();
         final int length = dictionaries.size();
         for (int i = 1; i < length; ++ i) {
             final ArrayList<SuggestedWordInfo> sugg = dictionaries.get(i).getSuggestions(composer,
-                    prevWordsInfo, proximityInfo, blockOffensiveWords, additionalFeaturesOptions,
-                    sessionId, inOutLanguageWeight);
+                    prevWordsInfo, proximityInfo, settingsValuesForSuggestion, sessionId,
+                    inOutLanguageWeight);
             if (null != sugg) suggestions.addAll(sugg);
         }
         return suggestions;
diff --git a/java/src/com/android/inputmethod/latin/DictionaryFacilitator.java b/java/src/com/android/inputmethod/latin/DictionaryFacilitator.java
index b8feb22..d6e6656 100644
--- a/java/src/com/android/inputmethod/latin/DictionaryFacilitator.java
+++ b/java/src/com/android/inputmethod/latin/DictionaryFacilitator.java
@@ -29,6 +29,7 @@
 import com.android.inputmethod.latin.personalization.PersonalizationDataChunk;
 import com.android.inputmethod.latin.personalization.PersonalizationDictionary;
 import com.android.inputmethod.latin.personalization.UserHistoryDictionary;
+import com.android.inputmethod.latin.settings.SettingsValuesForSuggestion;
 import com.android.inputmethod.latin.settings.SpacingAndPunctuations;
 import com.android.inputmethod.latin.utils.DistracterFilter;
 import com.android.inputmethod.latin.utils.DistracterFilterCheckingIsInDictionary;
@@ -486,8 +487,7 @@
     // TODO: Revise the way to fusion suggestion results.
     public SuggestionResults getSuggestionResults(final WordComposer composer,
             final PrevWordsInfo prevWordsInfo, final ProximityInfo proximityInfo,
-            final boolean blockOffensiveWords, final int[] additionalFeaturesOptions,
-            final int sessionId) {
+            final SettingsValuesForSuggestion settingsValuesForSuggestion, final int sessionId) {
         final Dictionaries dictionaries = mDictionaries;
         final SuggestionResults suggestionResults =
                 new SuggestionResults(dictionaries.mLocale, SuggestedWords.MAX_SUGGESTIONS);
@@ -497,8 +497,7 @@
             if (null == dictionary) continue;
             final ArrayList<SuggestedWordInfo> dictionarySuggestions =
                     dictionary.getSuggestions(composer, prevWordsInfo, proximityInfo,
-                            blockOffensiveWords, additionalFeaturesOptions, sessionId,
-                            languageWeight);
+                            settingsValuesForSuggestion, sessionId, languageWeight);
             if (null == dictionarySuggestions) continue;
             suggestionResults.addAll(dictionarySuggestions);
             if (null != suggestionResults.mRawSuggestions) {
diff --git a/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java b/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
index 37879cf..5808b9e 100644
--- a/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
@@ -26,6 +26,7 @@
 import com.android.inputmethod.latin.makedict.UnsupportedFormatException;
 import com.android.inputmethod.latin.makedict.WordProperty;
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
+import com.android.inputmethod.latin.settings.SettingsValuesForSuggestion;
 import com.android.inputmethod.latin.utils.CombinedFormatUtils;
 import com.android.inputmethod.latin.utils.DistracterFilter;
 import com.android.inputmethod.latin.utils.ExecutorUtils;
@@ -409,8 +410,8 @@
     @Override
     public ArrayList<SuggestedWordInfo> getSuggestions(final WordComposer composer,
             final PrevWordsInfo prevWordsInfo, final ProximityInfo proximityInfo,
-            final boolean blockOffensiveWords, final int[] additionalFeaturesOptions,
-            final int sessionId, final float[] inOutLanguageWeight) {
+            final SettingsValuesForSuggestion settingsValuesForSuggestion, final int sessionId,
+            final float[] inOutLanguageWeight) {
         reloadDictionaryIfRequired();
         boolean lockAcquired = false;
         try {
@@ -422,8 +423,7 @@
                 }
                 final ArrayList<SuggestedWordInfo> suggestions =
                         mBinaryDictionary.getSuggestions(composer, prevWordsInfo, proximityInfo,
-                                blockOffensiveWords, additionalFeaturesOptions, sessionId,
-                                inOutLanguageWeight);
+                                settingsValuesForSuggestion, sessionId, inOutLanguageWeight);
                 if (mBinaryDictionary.isCorrupted()) {
                     Log.i(TAG, "Dictionary (" + mDictName +") is corrupted. "
                             + "Remove and regenerate it.");
diff --git a/java/src/com/android/inputmethod/latin/ReadOnlyBinaryDictionary.java b/java/src/com/android/inputmethod/latin/ReadOnlyBinaryDictionary.java
index e59ef75..5d4fc58 100644
--- a/java/src/com/android/inputmethod/latin/ReadOnlyBinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/ReadOnlyBinaryDictionary.java
@@ -18,6 +18,7 @@
 
 import com.android.inputmethod.keyboard.ProximityInfo;
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
+import com.android.inputmethod.latin.settings.SettingsValuesForSuggestion;
 
 import java.util.ArrayList;
 import java.util.Locale;
@@ -51,13 +52,12 @@
     @Override
     public ArrayList<SuggestedWordInfo> getSuggestions(final WordComposer composer,
             final PrevWordsInfo prevWordsInfo, final ProximityInfo proximityInfo,
-            final boolean blockOffensiveWords, final int[] additionalFeaturesOptions,
+            final SettingsValuesForSuggestion settingsValuesForSuggestion,
             final int sessionId, final float[] inOutLanguageWeight) {
         if (mLock.readLock().tryLock()) {
             try {
                 return mBinaryDictionary.getSuggestions(composer, prevWordsInfo, proximityInfo,
-                        blockOffensiveWords, additionalFeaturesOptions, sessionId,
-                        inOutLanguageWeight);
+                        settingsValuesForSuggestion, sessionId, inOutLanguageWeight);
             } finally {
                 mLock.readLock().unlock();
             }
diff --git a/java/src/com/android/inputmethod/latin/Suggest.java b/java/src/com/android/inputmethod/latin/Suggest.java
index c347f69..838e34f 100644
--- a/java/src/com/android/inputmethod/latin/Suggest.java
+++ b/java/src/com/android/inputmethod/latin/Suggest.java
@@ -20,7 +20,7 @@
 
 import com.android.inputmethod.keyboard.ProximityInfo;
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
-import com.android.inputmethod.latin.define.ProductionFlag;
+import com.android.inputmethod.latin.settings.SettingsValuesForSuggestion;
 import com.android.inputmethod.latin.utils.AutoCorrectionUtils;
 import com.android.inputmethod.latin.utils.BinaryDictionaryUtils;
 import com.android.inputmethod.latin.utils.StringUtils;
@@ -73,17 +73,15 @@
 
     public void getSuggestedWords(final WordComposer wordComposer,
             final PrevWordsInfo prevWordsInfo, final ProximityInfo proximityInfo,
-            final boolean blockOffensiveWords, final boolean isCorrectionEnabled,
-            final int[] additionalFeaturesOptions, final int sessionId, final int sequenceNumber,
+            final SettingsValuesForSuggestion settingsValuesForSuggestion,
+            final boolean isCorrectionEnabled, final int sessionId, final int sequenceNumber,
             final OnGetSuggestedWordsCallback callback) {
         if (wordComposer.isBatchMode()) {
             getSuggestedWordsForBatchInput(wordComposer, prevWordsInfo, proximityInfo,
-                    blockOffensiveWords, additionalFeaturesOptions, sessionId, sequenceNumber,
-                    callback);
+                    settingsValuesForSuggestion, sessionId, sequenceNumber, callback);
         } else {
             getSuggestedWordsForTypingInput(wordComposer, prevWordsInfo, proximityInfo,
-                    blockOffensiveWords, isCorrectionEnabled, additionalFeaturesOptions,
-                    sequenceNumber, callback);
+                    settingsValuesForSuggestion, isCorrectionEnabled, sequenceNumber, callback);
         }
     }
 
@@ -125,8 +123,8 @@
     // and calls the callback function with the suggestions.
     private void getSuggestedWordsForTypingInput(final WordComposer wordComposer,
             final PrevWordsInfo prevWordsInfo, final ProximityInfo proximityInfo,
-            final boolean blockOffensiveWords, final boolean isCorrectionEnabled,
-            final int[] additionalFeaturesOptions, final int sequenceNumber,
+            final SettingsValuesForSuggestion settingsValuesForSuggestion,
+            final boolean isCorrectionEnabled, final int sequenceNumber,
             final OnGetSuggestedWordsCallback callback) {
         final String typedWord = wordComposer.getTypedWord();
         final int trailingSingleQuotesCount = StringUtils.getTrailingSingleQuotesCount(typedWord);
@@ -135,8 +133,8 @@
                 : typedWord;
 
         final SuggestionResults suggestionResults = mDictionaryFacilitator.getSuggestionResults(
-                wordComposer, prevWordsInfo, proximityInfo, blockOffensiveWords,
-                additionalFeaturesOptions, SESSION_TYPING);
+                wordComposer, prevWordsInfo, proximityInfo, settingsValuesForSuggestion,
+                SESSION_TYPING);
         final ArrayList<SuggestedWordInfo> suggestionsContainer =
                 getTransformedSuggestedWordInfoList(wordComposer, suggestionResults,
                         trailingSingleQuotesCount);
@@ -205,12 +203,11 @@
     // and calls the callback function with the suggestions.
     private void getSuggestedWordsForBatchInput(final WordComposer wordComposer,
             final PrevWordsInfo prevWordsInfo, final ProximityInfo proximityInfo,
-            final boolean blockOffensiveWords, final int[] additionalFeaturesOptions,
+            final SettingsValuesForSuggestion settingsValuesForSuggestion,
             final int sessionId, final int sequenceNumber,
             final OnGetSuggestedWordsCallback callback) {
         final SuggestionResults suggestionResults = mDictionaryFacilitator.getSuggestionResults(
-                wordComposer, prevWordsInfo, proximityInfo, blockOffensiveWords,
-                additionalFeaturesOptions, sessionId);
+                wordComposer, prevWordsInfo, proximityInfo, settingsValuesForSuggestion, sessionId);
         final ArrayList<SuggestedWordInfo> suggestionsContainer =
                 new ArrayList<>(suggestionResults);
         final int suggestionsCount = suggestionsContainer.size();
diff --git a/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java b/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
index 5ab7db8..929720b 100644
--- a/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
+++ b/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
@@ -46,6 +46,7 @@
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 import com.android.inputmethod.latin.WordComposer;
 import com.android.inputmethod.latin.settings.SettingsValues;
+import com.android.inputmethod.latin.settings.SettingsValuesForSuggestion;
 import com.android.inputmethod.latin.settings.SpacingAndPunctuations;
 import com.android.inputmethod.latin.suggestions.SuggestionStripViewAccessor;
 import com.android.inputmethod.latin.utils.AsyncResultHolder;
@@ -1998,9 +1999,11 @@
                         // a word, it's whatever is *before* the half-committed word in the buffer,
                         // hence 2; if we aren't, we should just skip whitespace if any, so 1.
                         mWordComposer.isComposingWord() ? 2 : 1),
-                proximityInfo, settingsValues.mBlockPotentiallyOffensive,
+                proximityInfo,
+                new SettingsValuesForSuggestion(settingsValues.mBlockPotentiallyOffensive,
+                        settingsValues.mPhraseGestureEnabled,
+                        settingsValues.mAdditionalFeaturesSettingValues),
                 settingsValues.mAutoCorrectionEnabled,
-                settingsValues.mAdditionalFeaturesSettingValues,
                 sessionId, sequenceNumber, callback);
     }
 }
diff --git a/java/src/com/android/inputmethod/latin/settings/NativeSuggestOptions.java b/java/src/com/android/inputmethod/latin/settings/NativeSuggestOptions.java
index 04a2ee3..31a20c4 100644
--- a/java/src/com/android/inputmethod/latin/settings/NativeSuggestOptions.java
+++ b/java/src/com/android/inputmethod/latin/settings/NativeSuggestOptions.java
@@ -21,7 +21,8 @@
     private static final int IS_GESTURE = 0;
     private static final int USE_FULL_EDIT_DISTANCE = 1;
     private static final int BLOCK_OFFENSIVE_WORDS = 2;
-    private static final int OPTIONS_SIZE = 3;
+    private static final int SPACE_AWARE_GESTURE_ENABLED = 3;
+    private static final int OPTIONS_SIZE = 4;
 
     private final int[] mOptions = new int[OPTIONS_SIZE
             + AdditionalFeaturesSettingUtils.ADDITIONAL_FEATURES_SETTINGS_SIZE];
@@ -38,6 +39,10 @@
         setBooleanOption(BLOCK_OFFENSIVE_WORDS, value);
     }
 
+    public void setSpaceAwareGestureEnabled(final boolean value) {
+        setBooleanOption(SPACE_AWARE_GESTURE_ENABLED, value);
+    }
+
     public void setAdditionalFeaturesOptions(final int[] additionalOptions) {
         if (additionalOptions == null) {
             return;
diff --git a/java/src/com/android/inputmethod/latin/settings/SettingsValuesForSuggestion.java b/java/src/com/android/inputmethod/latin/settings/SettingsValuesForSuggestion.java
new file mode 100644
index 0000000..d80af4b
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/settings/SettingsValuesForSuggestion.java
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethod.latin.settings;
+
+public class SettingsValuesForSuggestion {
+    public final boolean mBlockPotentiallyOffensive;
+    public final boolean mSpaceAwareGestureEnabled;
+    public final int[] mAdditionalFeaturesSettingValues;
+
+    public SettingsValuesForSuggestion(final boolean blockPotentiallyOffensive,
+            final boolean spaceAwareGestureEnabled, final int[] additionalFeaturesSettingValues) {
+        mBlockPotentiallyOffensive = blockPotentiallyOffensive;
+        mSpaceAwareGestureEnabled = spaceAwareGestureEnabled;
+        mAdditionalFeaturesSettingValues = additionalFeaturesSettingValues;
+    }
+}
diff --git a/java/src/com/android/inputmethod/latin/spellcheck/AndroidWordLevelSpellCheckerSession.java b/java/src/com/android/inputmethod/latin/spellcheck/AndroidWordLevelSpellCheckerSession.java
index 4825b9e..08adaf8 100644
--- a/java/src/com/android/inputmethod/latin/spellcheck/AndroidWordLevelSpellCheckerSession.java
+++ b/java/src/com/android/inputmethod/latin/spellcheck/AndroidWordLevelSpellCheckerSession.java
@@ -33,6 +33,7 @@
 import com.android.inputmethod.latin.PrevWordsInfo;
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 import com.android.inputmethod.latin.WordComposer;
+import com.android.inputmethod.latin.settings.SettingsValuesForSuggestion;
 import com.android.inputmethod.latin.spellcheck.AndroidSpellCheckerService.SuggestionsGatherer;
 import com.android.inputmethod.latin.utils.CoordinateUtils;
 import com.android.inputmethod.latin.utils.LocaleUtils;
@@ -308,8 +309,12 @@
                 // TODO: make a spell checker option to block offensive words or not
                 final ArrayList<SuggestedWordInfo> suggestions =
                         dictInfo.mDictionary.getSuggestions(composer, prevWordsInfo,
-                                dictInfo.getProximityInfo(), true /* blockOffensiveWords */,
-                                null /* additionalFeaturesOptions */, 0 /* sessionId */,
+                                dictInfo.getProximityInfo(),
+                                new SettingsValuesForSuggestion(
+                                        true /* blockPotentiallyOffensive */,
+                                        true /* spaceAwareGestureEnabled */,
+                                        null /* additionalFeaturesSettingValues */),
+                                0 /* sessionId */,
                                 null /* inOutLanguageWeight */);
                 if (suggestions != null) {
                     for (final SuggestedWordInfo suggestion : suggestions) {
diff --git a/java/src/com/android/inputmethod/latin/spellcheck/DictionaryPool.java b/java/src/com/android/inputmethod/latin/spellcheck/DictionaryPool.java
index cc52a3e..eb85d49 100644
--- a/java/src/com/android/inputmethod/latin/spellcheck/DictionaryPool.java
+++ b/java/src/com/android/inputmethod/latin/spellcheck/DictionaryPool.java
@@ -22,6 +22,7 @@
 import com.android.inputmethod.latin.Dictionary;
 import com.android.inputmethod.latin.PrevWordsInfo;
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
+import com.android.inputmethod.latin.settings.SettingsValuesForSuggestion;
 import com.android.inputmethod.latin.WordComposer;
 
 import java.util.ArrayList;
@@ -53,7 +54,7 @@
                 @Override
                 public ArrayList<SuggestedWordInfo> getSuggestions(final WordComposer composer,
                         final PrevWordsInfo prevWordsInfo, final ProximityInfo proximityInfo,
-                        final boolean blockOffensiveWords, final int[] additionalFeaturesOptions,
+                        final SettingsValuesForSuggestion settingsValuesForSuggestion,
                         final int sessionId, final float[] inOutLanguageWeight) {
                     return noSuggestions;
                 }
diff --git a/java/src/com/android/inputmethod/latin/spellcheck/SynchronouslyLoadedContactsBinaryDictionary.java b/java/src/com/android/inputmethod/latin/spellcheck/SynchronouslyLoadedContactsBinaryDictionary.java
index a6437ba..688b184 100644
--- a/java/src/com/android/inputmethod/latin/spellcheck/SynchronouslyLoadedContactsBinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/spellcheck/SynchronouslyLoadedContactsBinaryDictionary.java
@@ -22,6 +22,7 @@
 import com.android.inputmethod.latin.ContactsBinaryDictionary;
 import com.android.inputmethod.latin.PrevWordsInfo;
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
+import com.android.inputmethod.latin.settings.SettingsValuesForSuggestion;
 import com.android.inputmethod.latin.WordComposer;
 
 import java.util.ArrayList;
@@ -38,11 +39,11 @@
     @Override
     public ArrayList<SuggestedWordInfo> getSuggestions(final WordComposer codes,
             final PrevWordsInfo prevWordsInfo, final ProximityInfo proximityInfo,
-            final boolean blockOffensiveWords, final int[] additionalFeaturesOptions,
+            final SettingsValuesForSuggestion settingsValuesForSuggestion,
             final int sessionId, final float[] inOutLanguageWeight) {
         synchronized (mLock) {
             return super.getSuggestions(codes, prevWordsInfo, proximityInfo,
-                    blockOffensiveWords, additionalFeaturesOptions, sessionId, inOutLanguageWeight);
+                    settingsValuesForSuggestion, sessionId, inOutLanguageWeight);
         }
     }
 
diff --git a/java/src/com/android/inputmethod/latin/spellcheck/SynchronouslyLoadedUserBinaryDictionary.java b/java/src/com/android/inputmethod/latin/spellcheck/SynchronouslyLoadedUserBinaryDictionary.java
index 8c9d5d6..ff71f59 100644
--- a/java/src/com/android/inputmethod/latin/spellcheck/SynchronouslyLoadedUserBinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/spellcheck/SynchronouslyLoadedUserBinaryDictionary.java
@@ -21,6 +21,7 @@
 import com.android.inputmethod.keyboard.ProximityInfo;
 import com.android.inputmethod.latin.PrevWordsInfo;
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
+import com.android.inputmethod.latin.settings.SettingsValuesForSuggestion;
 import com.android.inputmethod.latin.UserBinaryDictionary;
 import com.android.inputmethod.latin.WordComposer;
 
@@ -43,11 +44,11 @@
     @Override
     public ArrayList<SuggestedWordInfo> getSuggestions(final WordComposer codes,
             final PrevWordsInfo prevWordsInfo, final ProximityInfo proximityInfo,
-            final boolean blockOffensiveWords, final int[] additionalFeaturesOptions,
+            final SettingsValuesForSuggestion settingsValuesForSuggestion,
             final int sessionId, final float[] inOutLanguageWeight) {
         synchronized (mLock) {
             return super.getSuggestions(codes, prevWordsInfo, proximityInfo,
-                    blockOffensiveWords, additionalFeaturesOptions, sessionId, inOutLanguageWeight);
+                    settingsValuesForSuggestion, sessionId, inOutLanguageWeight);
         }
     }
 
diff --git a/native/jni/src/suggest/core/suggest_options.h b/native/jni/src/suggest/core/suggest_options.h
index 2e22a7a..d456680 100644
--- a/native/jni/src/suggest/core/suggest_options.h
+++ b/native/jni/src/suggest/core/suggest_options.h
@@ -38,6 +38,10 @@
         return getBoolOption(BLOCK_OFFENSIVE_WORDS);
     }
 
+    AK_FORCE_INLINE bool enableSpaceAwareGesture() const {
+        return getBoolOption(SPACE_AWARE_GESTURE_ENABLED);
+    }
+
     AK_FORCE_INLINE bool getAdditionalFeaturesBoolOption(const int key) const {
         return getBoolOption(key + ADDITIONAL_FEATURES_OPTIONS);
     }
@@ -50,9 +54,10 @@
     static const int IS_GESTURE = 0;
     static const int USE_FULL_EDIT_DISTANCE = 1;
     static const int BLOCK_OFFENSIVE_WORDS = 2;
+    static const int SPACE_AWARE_GESTURE_ENABLED = 3;
     // Additional features options are stored after the other options and used as setting values of
     // experimental features.
-    static const int ADDITIONAL_FEATURES_OPTIONS = 3;
+    static const int ADDITIONAL_FEATURES_OPTIONS = 4;
 
     const int *const mOptions;
     const int mLength;
diff --git a/tools/dicttool/Android.mk b/tools/dicttool/Android.mk
index ce51df1..22ed7b7 100644
--- a/tools/dicttool/Android.mk
+++ b/tools/dicttool/Android.mk
@@ -50,6 +50,7 @@
         latin/SuggestedWords.java \
         latin/WordComposer.java \
         latin/settings/NativeSuggestOptions.java \
+        latin/settings/SettingsValuesForSuggestion.java \
         latin/utils/BinaryDictionaryUtils.java \
         latin/utils/CombinedFormatUtils.java \
         latin/utils/CoordinateUtils.java \