[AC1] Add a memory of where to cut the first word.

Bug: 9059617
Change-Id: I931b6d1eb49f9f7dd7d5b18956e35751d1b2b631

java/src/com/android/inputmethod/latin/BinaryDictionary.java

@@ -179,7 +179,8 @@ public final class BinaryDictionary extends Dictionary {
                 // TODO: check that all users of the `kind' parameter are ready to accept
                 // flags too and pass mOutputTypes[j] instead of kind
                 suggestions.add(new SuggestedWordInfo(new String(mOutputCodePoints, start, len),
-                        score, kind, mDictType));
+                        score, kind, mDictType,
+                        mSpaceIndices[0] /* indexOfTouchPointOfSecondWord */));
             }
         }
         return suggestions;

java/src/com/android/inputmethod/latin/ExpandableDictionary.java

@@ -403,7 +403,8 @@ public class ExpandableDictionary extends Dictionary {
             // the respective size of the typed word and the suggestion if it matters sometime
             // in the future.
             suggestions.add(new SuggestedWordInfo(new String(word, 0, depth + 1), finalFreq,
-                    SuggestedWordInfo.KIND_CORRECTION, mDictType));
+                    SuggestedWordInfo.KIND_CORRECTION, mDictType,
+                    SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */));
             if (suggestions.size() >= Suggest.MAX_SUGGESTIONS) return false;
         }
         if (null != node.mShortcutTargets) {
@@ -411,7 +412,8 @@ public class ExpandableDictionary extends Dictionary {
             for (int shortcutIndex = 0; shortcutIndex < length; ++shortcutIndex) {
                 final char[] shortcut = node.mShortcutTargets.get(shortcutIndex);
                 suggestions.add(new SuggestedWordInfo(new String(shortcut, 0, shortcut.length),
-                        finalFreq, SuggestedWordInfo.KIND_SHORTCUT, mDictType));
+                        finalFreq, SuggestedWordInfo.KIND_SHORTCUT, mDictType,
+                        SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */));
                 if (suggestions.size() > Suggest.MAX_SUGGESTIONS) return false;
             }
         }
@@ -657,7 +659,8 @@ public class ExpandableDictionary extends Dictionary {
             if (freq >= 0 && node == null) {
                 suggestions.add(new SuggestedWordInfo(new String(mLookedUpString, index,
                         Constants.DICTIONARY_MAX_WORD_LENGTH - index),
-                        freq, SuggestedWordInfo.KIND_CORRECTION, mDictType));
+                        freq, SuggestedWordInfo.KIND_CORRECTION, mDictType,
+                        SuggestedWordInfo.NOT_AN_INDEX));
             }
         }
     }

java/src/com/android/inputmethod/latin/LatinIME.java

@@ -2584,7 +2584,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
                 if (!TextUtils.equals(s, typedWord)) {
                     suggestions.add(new SuggestedWordInfo(s,
                             SuggestionStripView.MAX_SUGGESTIONS - i,
-                            SuggestedWordInfo.KIND_RESUMED, Dictionary.TYPE_RESUMED));
+                            SuggestedWordInfo.KIND_RESUMED, Dictionary.TYPE_RESUMED,
+                            SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */));
                 }
             }
         }

java/src/com/android/inputmethod/latin/Suggest.java

@@ -309,7 +309,8 @@ public final class Suggest {
         if (!TextUtils.isEmpty(typedWord)) {
             suggestionsContainer.add(0, new SuggestedWordInfo(typedWord,
                     SuggestedWordInfo.MAX_SCORE, SuggestedWordInfo.KIND_TYPED,
-                    Dictionary.TYPE_USER_TYPED));
+                    Dictionary.TYPE_USER_TYPED,
+                    SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */));
         }
         SuggestedWordInfo.removeDups(suggestionsContainer);
 
@@ -453,7 +454,7 @@ public final class Suggest {
             sb.appendCodePoint(Constants.CODE_SINGLE_QUOTE);
         }
         return new SuggestedWordInfo(sb.toString(), wordInfo.mScore, wordInfo.mKind,
-                wordInfo.mSourceDict);
+                wordInfo.mSourceDict, wordInfo.mIndexOfTouchPointOfSecondWord);
     }
 
     public void close() {

java/src/com/android/inputmethod/latin/SuggestedWords.java

@@ -113,7 +113,8 @@ public final class SuggestedWords {
             if (null == text) continue;
             final SuggestedWordInfo suggestedWordInfo = new SuggestedWordInfo(text.toString(),
                     SuggestedWordInfo.MAX_SCORE, SuggestedWordInfo.KIND_APP_DEFINED,
-                    Dictionary.TYPE_APPLICATION_DEFINED);
+                    Dictionary.TYPE_APPLICATION_DEFINED,
+                    SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */);
             result.add(suggestedWordInfo);
         }
         return result;
@@ -126,7 +127,8 @@ public final class SuggestedWords {
         final ArrayList<SuggestedWordInfo> suggestionsList = CollectionUtils.newArrayList();
         final HashSet<String> alreadySeen = CollectionUtils.newHashSet();
         suggestionsList.add(new SuggestedWordInfo(typedWord, SuggestedWordInfo.MAX_SCORE,
-                SuggestedWordInfo.KIND_TYPED, Dictionary.TYPE_USER_TYPED));
+                SuggestedWordInfo.KIND_TYPED, Dictionary.TYPE_USER_TYPED,
+                SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */));
         alreadySeen.add(typedWord.toString());
         final int previousSize = previousSuggestions.size();
         for (int index = 1; index < previousSize; index++) {
@@ -142,6 +144,7 @@ public final class SuggestedWords {
     }
 
     public static final class SuggestedWordInfo {
+        public static final int NOT_AN_INDEX = -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
@@ -167,15 +170,20 @@ public final class SuggestedWords {
         public final int mKind; // one of the KIND_* constants above
         public final int mCodePointCount;
         public final String mSourceDict;
+        // For auto-commit. This keeps track of the index inside the touch coordinates array
+        // passed to native code to get suggestions for a gesture that corresponds to the first
+        // letter of the second word.
+        public final int mIndexOfTouchPointOfSecondWord;
         private String mDebugString = "";
 
         public SuggestedWordInfo(final String word, final int score, final int kind,
-                final String sourceDict) {
+                final String sourceDict, final int indexOfTouchPointOfSecondWord) {
             mWord = word;
             mScore = score;
             mKind = kind;
             mSourceDict = sourceDict;
             mCodePointCount = StringUtils.codePointCount(mWord);
+            mIndexOfTouchPointOfSecondWord = indexOfTouchPointOfSecondWord;
         }
 
 

java/src/com/android/inputmethod/latin/settings/SettingsValues.java

@@ -298,7 +298,8 @@ public final class SettingsValues {
                 // TODO: Stop using KeySpceParser.getLabel().
                 puncList.add(new SuggestedWordInfo(KeySpecParser.getLabel(puncSpec),
                         SuggestedWordInfo.MAX_SCORE, SuggestedWordInfo.KIND_HARDCODED,
-                        Dictionary.TYPE_HARDCODED));
+                        Dictionary.TYPE_HARDCODED,
+                        SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */));
             }
         }
         return new SuggestedWords(puncList,

tests/src/com/android/inputmethod/latin/InputTestsBase.java

@@ -258,7 +258,8 @@ 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, "main"));
+                SuggestedWordInfo.KIND_CORRECTION, "main",
+                SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */));
     }
 
     // Helper to avoid writing the try{}catch block each time

tests/src/com/android/inputmethod/latin/SuggestedWordsTests.java

@@ -34,9 +34,11 @@ public class SuggestedWordsTests extends AndroidTestCase {
         final int NUMBER_OF_ADDED_SUGGESTIONS = 5;
         final ArrayList<SuggestedWordInfo> list = CollectionUtils.newArrayList();
         list.add(new SuggestedWordInfo(TYPED_WORD, TYPED_WORD_FREQ,
-                SuggestedWordInfo.KIND_TYPED, ""));
+                SuggestedWordInfo.KIND_TYPED, "",
+                SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */));
         for (int i = 0; i < NUMBER_OF_ADDED_SUGGESTIONS; ++i) {
-            list.add(new SuggestedWordInfo("" + i, 1, SuggestedWordInfo.KIND_CORRECTION, ""));
+            list.add(new SuggestedWordInfo("" + i, 1, SuggestedWordInfo.KIND_CORRECTION, "",
+                    SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */));
         }
 
         final SuggestedWords words = new SuggestedWords(