[Chromoting] Add InputMonitor and InputState

remoting/android/java/src/org/chromium/chromoting/TapEventParameter.java

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chromoting;
 
+import android.view.MotionEvent;
+
 /**
  * {@link Event} parameter for tap events, represents both {@link pointerCount} and position of
  * the first touch point ({@link x} and {@link y}). {@link android.graphics.Point} and
  * {@link android.graphics.PointF} are both mutable, so this class uses two floats instead.
  */
 public final class TapEventParameter {
     public final int pointerCount;
     public final float x;
     public final float y;
+    public boolean handled;
 
     public TapEventParameter(int pointerCount, float x, float y) {
         this.pointerCount = pointerCount;
         this.x = x;
         this.y = y;
+        this.handled = false;
+    }
+
+    public TapEventParameter(MotionEvent event) {
+        this.pointerCount = event.getPointerCount();
+        int pointerIndex = 0;
+        if (event.getActionMasked() == MotionEvent.ACTION_POINTER_DOWN) {
+            pointerIndex = event.getActionIndex();
+        }
+        this.x = event.getX(pointerIndex);
+        this.y = event.getY(pointerIndex);
     }
 }