1 files changed, 16 insertions, 0 deletions
diff --git a/java/src/com/android/inputmethod/event/InputTransaction.java b/java/src/com/android/inputmethod/event/InputTransaction.java
index 4fe9b403e..cdff265c6 100644
--- a/java/src/com/android/inputmethod/event/InputTransaction.java
+++ b/java/src/com/android/inputmethod/event/InputTransaction.java
@@ -41,6 +41,7 @@ public class InputTransaction {
     // Outputs
     private int mRequiredShiftUpdate = SHIFT_NO_UPDATE;
     private boolean mRequiresUpdateSuggestions = false;
+    private boolean mDidAffectContents = false;
 
     public InputTransaction(final SettingsValues settingsValues, final Event event,
             final long timestamp, final int spaceState, final int shiftState) {
@@ -81,4 +82,19 @@ public class InputTransaction {
     public boolean requiresUpdateSuggestions() {
         return mRequiresUpdateSuggestions;
     }
+
+    /**
+     * Indicate that this transaction affected the contents of the editor.
+     */
+    public void setDidAffectContents() {
+        mDidAffectContents = true;
+    }
+
+    /**
+     * Find out whether this transaction affected contents of the editor.
+     * @return Whether this transaction affected contents of the editor.
+     */
+    public boolean didAffectContents() {
+        return mDidAffectContents;
+    }
 }