DO NOT MERGE: Fix a bug where the sequence numbers would be wrong

The spell checker cannot afford to return static objects,
seeing as the framework will then use the same objects to
pair the cookie and sequence ids to the request.
This is a backport of Ia9c3a933

Bug: 5503243
Change-Id: Ia9c3a933bfb30cf5525418b240ef60632d72c9d0

1 files changed, 14 insertions, 10 deletions

diff --git a/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java b/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
index 8f478f385..095c2c51c 100644
--- a/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
+++ b/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
@@ -61,11 +61,6 @@ public class AndroidSpellCheckerService extends SpellCheckerService {
     private static final int CAPITALIZE_ALL = 2; // All caps
 
     private final static String[] EMPTY_STRING_ARRAY = new String[0];
-    private final static SuggestionsInfo NOT_IN_DICT_EMPTY_SUGGESTIONS =
-            new SuggestionsInfo(0, EMPTY_STRING_ARRAY);
-    private final static SuggestionsInfo IN_DICT_EMPTY_SUGGESTIONS =
-            new SuggestionsInfo(SuggestionsInfo.RESULT_ATTR_IN_THE_DICTIONARY,
-                    EMPTY_STRING_ARRAY);
     private final static Flag[] USE_FULL_EDIT_DISTANCE_FLAG_ARRAY;
     static {
         // See BinaryDictionary.java for an explanation of these flags
@@ -103,6 +98,15 @@ public class AndroidSpellCheckerService extends SpellCheckerService {
         return new AndroidSpellCheckerSession(this);
     }
 
+    private static SuggestionsInfo getNotInDictEmptySuggestions() {
+        return new SuggestionsInfo(0, EMPTY_STRING_ARRAY);
+    }
+
+    private static SuggestionsInfo getInDictEmptySuggestions() {
+        return new SuggestionsInfo(SuggestionsInfo.RESULT_ATTR_IN_THE_DICTIONARY,
+                EMPTY_STRING_ARRAY);
+    }
+
     private static class SuggestionsGatherer implements WordCallback {
         public static class Result {
             public final String[] mSuggestions;
@@ -408,9 +412,9 @@ public class AndroidSpellCheckerService extends SpellCheckerService {
                     DictAndProximity dictInfo = null;
                     try {
                         dictInfo = mDictionaryPool.takeOrGetNull();
-                        if (null == dictInfo) return NOT_IN_DICT_EMPTY_SUGGESTIONS;
-                        return dictInfo.mDictionary.isValidWord(text) ? IN_DICT_EMPTY_SUGGESTIONS
-                                : NOT_IN_DICT_EMPTY_SUGGESTIONS;
+                        if (null == dictInfo) return getNotInDictEmptySuggestions();
+                        return dictInfo.mDictionary.isValidWord(text) ? getInDictEmptySuggestions()
+                                : getNotInDictEmptySuggestions();
                     } finally {
                         if (null != dictInfo) {
                             if (!mDictionaryPool.offer(dictInfo)) {
@@ -445,7 +449,7 @@ public class AndroidSpellCheckerService extends SpellCheckerService {
                 DictAndProximity dictInfo = null;
                 try {
                     dictInfo = mDictionaryPool.takeOrGetNull();
-                    if (null == dictInfo) return NOT_IN_DICT_EMPTY_SUGGESTIONS;
+                    if (null == dictInfo) return getNotInDictEmptySuggestions();
                     dictInfo.mDictionary.getWords(composer, suggestionsGatherer,
                             dictInfo.mProximityInfo);
                     isInDict = dictInfo.mDictionary.isValidWord(text);
@@ -490,7 +494,7 @@ public class AndroidSpellCheckerService extends SpellCheckerService {
                     throw e;
                 } else {
                     Log.e(TAG, "Exception while spellcheking: " + e);
-                    return NOT_IN_DICT_EMPTY_SUGGESTIONS;
+                    return getNotInDictEmptySuggestions();
                 }
             }
         }