Find multiple previous word information to support n-gram.

Bug: 14425059

Change-Id: Ieace636334a9b2a094527341d4fcfc05958296c5

1 files changed, 4 insertions, 3 deletions

diff --git a/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java b/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
index c9d0dcf60..4ebdcbd70 100644
--- a/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
+++ b/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
@@ -1882,10 +1882,11 @@ public final class InputLogic {
         final CharSequence chosenWordWithSuggestions =
                 SuggestionSpanUtils.getTextWithSuggestionSpan(mLatinIME, chosenWord,
                         suggestedWords);
-        // Use the 2nd previous word as the previous word because the 1st previous word is the word
-        // to be committed.
+        // When we are composing word, get previous words information from the 2nd previous word
+        // because the 1st previous word is the word to be committed. Otherwise get previous words
+        // information from the 1st previous word.
         final PrevWordsInfo prevWordsInfo = mConnection.getPrevWordsInfoFromNthPreviousWord(
-                settingsValues.mSpacingAndPunctuations, 2);
+                settingsValues.mSpacingAndPunctuations, mWordComposer.isComposingWord() ? 2 : 1);
         mConnection.commitText(chosenWordWithSuggestions, 1);
         // Add the word to the user history dictionary
         performAdditionToUserHistoryDictionary(settingsValues, chosenWord, prevWordsInfo);