1 files changed, 12 insertions, 0 deletions
diff --git a/java/src/com/android/inputmethod/latin/InputPointers.java b/java/src/com/android/inputmethod/latin/InputPointers.java
index 81c833000..2e638aaf3 100644
--- a/java/src/com/android/inputmethod/latin/InputPointers.java
+++ b/java/src/com/android/inputmethod/latin/InputPointers.java
@@ -17,6 +17,7 @@
 package com.android.inputmethod.latin;
 
 import com.android.inputmethod.annotations.UsedForTesting;
+import com.android.inputmethod.latin.utils.ResizableIntArray;
 
 import android.util.Log;
 
@@ -104,6 +105,17 @@ public final class InputPointers {
         mTimes.append(times, startPos, length);
     }
 
+    /**
+     * Shift to the left by elementCount, discarding elementCount pointers at the start.
+     * @param elementCount how many elements to shift.
+     */
+    public void shift(final int elementCount) {
+        mXCoordinates.shift(elementCount);
+        mYCoordinates.shift(elementCount);
+        mPointerIds.shift(elementCount);
+        mTimes.shift(elementCount);
+    }
+
     public void reset() {
         final int defaultCapacity = mDefaultCapacity;
         mXCoordinates.reset(defaultCapacity);