am 447c1936: Merge "Enable Beginning-of-Sentence prediction for contextual dict."

* commit '447c19364ac0fa7b280b3ebd8f6e820eb925ebde':
  Enable Beginning-of-Sentence prediction for contextual dict.

1 files changed, 10 insertions, 0 deletions

diff --git a/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java b/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
index 4dbfa0bac..b1966bffc 100644
--- a/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
@@ -122,6 +122,12 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
         return mBinaryDictionary.isValidDictionary();
     }
 
+    // TODO: Remove and always enable beginning of sentence prediction. Currently, this is enabled
+    // only for ContextualDictionary.
+    protected boolean enableBeginningOfSentencePrediction() {
+        return false;
+    }
+
     /**
      * Creates a new expandable binary dictionary.
      *
@@ -398,6 +404,10 @@ abstract public class ExpandableBinaryDictionary extends Dictionary {
                 if (mBinaryDictionary == null) {
                     return null;
                 }
+                if (composer.size() == 0 && prevWordsInfo.mIsBeginningOfSentence
+                        && !enableBeginningOfSentencePrediction()) {
+                    return null;
+                }
                 final ArrayList<SuggestedWordInfo> suggestions =
                         mBinaryDictionary.getSuggestions(composer, prevWordsInfo, proximityInfo,
                                 blockOffensiveWords, additionalFeaturesOptions, sessionId,