[HW7] Introduce consumed events

Change-Id: Ic2d95d19b1ac66e3e97e4a16187ce5aecb4ac678

1 files changed, 15 insertions, 0 deletions

diff --git a/java/src/com/android/inputmethod/event/Event.java b/java/src/com/android/inputmethod/event/Event.java
index d257441e0..98c827423 100644
--- a/java/src/com/android/inputmethod/event/Event.java
+++ b/java/src/com/android/inputmethod/event/Event.java
@@ -67,6 +67,8 @@ public class Event {
     final private static int FLAG_DEAD = 0x1;
     // This event is coming from a key repeat, software or hardware.
     final private static int FLAG_REPEAT = 0x2;
+    // This event has already been consumed.
+    final private static int FLAG_CONSUMED = 0x4;
 
     final private int mEventType; // The type of event - one of the constants above
     // The code point associated with the event, if relevant. This is a unicode code point, and
@@ -219,6 +221,17 @@ public class Event {
                 null /* next */);
     }
 
+    /**
+     * Creates an event identical to the passed event, but that has already been consumed.
+     * @param source the event to copy the properties of.
+     * @return an identical event marked as consumed.
+     */
+    public static Event createConsumedEvent(final Event source) {
+        return new Event(source.mEventType, source.mText, source.mCodePoint, source.mKeyCode,
+                source.mX, source.mY, source.mSuggestedWordInfo, source.mFlags | FLAG_CONSUMED,
+                source.mNextEvent);
+    }
+
     public static Event createNotHandledEvent() {
         return new Event(EVENT_TYPE_NOT_HANDLED, null /* text */, NOT_A_CODE_POINT, NOT_A_KEY_CODE,
                 Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE,
@@ -241,6 +254,8 @@ public class Event {
         return 0 != (FLAG_REPEAT & mFlags);
     }
 
+    public boolean isConsumed() { return 0 != (FLAG_CONSUMED & mFlags); }
+
     // Returns whether this is a fake key press from the suggestion strip. This happens with
     // punctuation signs selected from the suggestion strip.
     public boolean isSuggestionStripPress() {