Fix a bug where last candidate would not be reset

Bug: 5851148
Change-Id: Ic270318842d8e16bc62d78d5fe0d6be0ca1fb532

1 files changed, 6 insertions, 0 deletions

diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index 4cb60558c..b02aec832 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -850,6 +850,11 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
                 || newSelEnd != candidatesEnd) && mLastSelectionStart != newSelStart;
         final boolean candidatesCleared = candidatesStart == -1 && candidatesEnd == -1;
         if (!mExpectingUpdateSelection) {
+            // TAKE CARE: there is a race condition when we enter this test even when the user
+            // did not explicitly move the cursor. This happens when typing fast, where two keys
+            // turn this flag on in succession and both onUpdateSelection() calls arrive after
+            // the second one - the first call successfully avoids this test, but the second one
+            // enters. For the moment we rely on candidatesCleared to further reduce the impact.
             if (SPACE_STATE_WEAK == mSpaceState) {
                 // Test for no WEAK_SPACE action because there is a race condition that may end up
                 // in coming here on a normal key press. We set this to NONE because after
@@ -869,6 +874,7 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
                 mComposingStateManager.onFinishComposingText();
                 mVoiceProxy.setVoiceInputHighlighted(false);
             } else if (!mWordComposer.isComposingWord()) {
+                mWordComposer.reset();
                 updateSuggestions();
             }
         }