Fix Keyboard crash when chording and long pressing key

This change just prevents crashing. The another bug#4646271 has been
opened to support chording and long pressing key.

Bug: 4463909
Change-Id: I50e42656fe111e6b261310c899e672b8ba001e5d

java/src/com/android/inputmethod/keyboard/PointerTracker.java

@@ -22,6 +22,7 @@ import com.android.inputmethod.latin.R;
 import com.android.inputmethod.latin.SubtypeSwitcher;
 
 import android.content.res.Resources;
+import android.os.SystemClock;
 import android.util.Log;
 import android.view.MotionEvent;
 
@@ -540,8 +541,11 @@ public class PointerTracker {
 
     public void onLongPressed(PointerTrackerQueue queue) {
         mKeyAlreadyProcessed = true;
-        if (queue != null)
+        if (queue != null) {
+            // TODO: Support chording + long-press input.
+            queue.releaseAllPointersExcept(this, SystemClock.uptimeMillis(), true);
             queue.remove(this);
+        }
     }
 
     public void onCancelEvent(int x, int y, long eventTime, PointerTrackerQueue queue) {

java/src/com/android/inputmethod/keyboard/PopupMiniKeyboardView.java

@@ -37,7 +37,6 @@ public class PopupMiniKeyboardView extends KeyboardView implements PopupPanel {
 
     private int mOriginX;
     private int mOriginY;
-    private int mTrackerId;
     private long mDownTime;
 
     public PopupMiniKeyboardView(Context context, AttributeSet attrs) {
@@ -98,30 +97,19 @@ public class PopupMiniKeyboardView extends KeyboardView implements PopupPanel {
 
         mOriginX = x + container.getPaddingLeft() - mCoordinates[0];
         mOriginY = y + container.getPaddingTop() - mCoordinates[1];
-        mTrackerId = tracker.mPointerId;
         mDownTime = SystemClock.uptimeMillis();
 
         // Inject down event on the key to mini keyboard.
-        final MotionEvent downEvent = translateMotionEvent(MotionEvent.ACTION_DOWN, pointX,
-                pointY + parentKey.mHeight / 2, mDownTime);
+        final MotionEvent downEvent = MotionEvent.obtain(mDownTime, mDownTime,
+                MotionEvent.ACTION_DOWN, pointX - mOriginX,
+                pointY + parentKey.mHeight / 2 - mOriginY, 0);
         onTouchEvent(downEvent);
         downEvent.recycle();
     }
 
-    private MotionEvent translateMotionEvent(int action, float x, float y, long eventTime) {
-        return MotionEvent.obtain(mDownTime, eventTime, action, x - mOriginX, y - mOriginY, 0);
-    }
-
     @Override
     public boolean onTouchEvent(MotionEvent me) {
-        final int index = me.getActionIndex();
-        final int id = me.getPointerId(index);
-        if (id == mTrackerId) {
-            final MotionEvent translated = translateMotionEvent(me.getAction(), me.getX(index),
-                    me.getY(index), me.getEventTime());
-            super.onTouchEvent(translated);
-            translated.recycle();
-        }
-        return true;
+        me.offsetLocation(-mOriginX, -mOriginY);
+        return super.onTouchEvent(me);
     }
 }