[HW12] Use the consumed status of the Event.

Change-Id: I1619f6132f8f71bc1291fd6a5604a5e1e3431ae2

1 files changed, 14 insertions, 4 deletions

diff --git a/java/src/com/android/inputmethod/event/CombinerChain.java b/java/src/com/android/inputmethod/event/CombinerChain.java
index f69bf4fd0..2d2731f21 100644
--- a/java/src/com/android/inputmethod/event/CombinerChain.java
+++ b/java/src/com/android/inputmethod/event/CombinerChain.java
@@ -82,6 +82,13 @@ public class CombinerChain {
         }
     }
 
+    private void updateStateFeedback() {
+        mStateFeedback.clear();
+        for (int i = mCombiners.size() - 1; i >= 0; --i) {
+            mStateFeedback.append(mCombiners.get(i).getCombiningStateFeedback());
+        }
+    }
+
     /**
      * Process an event through the combining chain, and return a processed event to apply.
      * @param previousEvents the list of previous events in this composition
@@ -97,7 +104,13 @@ public class CombinerChain {
             // A combiner can never return more than one event; it can return several
             // code points, but they should be encapsulated within one event.
             event = combiner.processEvent(modifiablePreviousEvents, event);
+            if (event.isConsumed()) {
+                // If the event is consumed, then we don't pass it to subsequent combiners:
+                // they should not see it at all.
+                break;
+            }
         }
+        updateStateFeedback();
         return event;
     }
 
@@ -121,10 +134,7 @@ public class CombinerChain {
                 }
             }
         }
-        mStateFeedback.clear();
-        for (int i = mCombiners.size() - 1; i >= 0; --i) {
-            mStateFeedback.append(mCombiners.get(i).getCombiningStateFeedback());
-        }
+        updateStateFeedback();
     }
 
     /**