content: /*
   * Copyright 2013 Hannes Janetzek
   * Copyright 2016 devemux86
   *
   * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
   *
   * This program is free software: you can redistribute it and/or modify it under the
   * terms of the GNU Lesser General Public License as published by the Free Software
   * Foundation, either version 3 of the License, or (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful, but WITHOUT ANY
   * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public License along with
   * this program. If not, see <http://www.gnu.org/licenses/>.
   */
  package org.oscim.android.input;
  
  import android.view.GestureDetector.OnDoubleTapListener;
  import android.view.GestureDetector.OnGestureListener;
  import android.view.MotionEvent;
  
  import org.oscim.event.Gesture;
  import org.oscim.map.Map;
  
  public class GestureHandler implements OnGestureListener, OnDoubleTapListener {
      private final AndroidMotionEvent mMotionEvent;
      private final Map mMap;
  
      // Quick scale (double tap + swipe)
      protected boolean quickScale;
  
      public GestureHandler(Map map) {
          mMotionEvent = new AndroidMotionEvent();
          mMap = map;
      }
  
      /* OnGestureListener */
  
      @Override
      public boolean onSingleTapUp(MotionEvent e) {
          return false;
      }
  
      @Override
      public void onShowPress(MotionEvent e) {
      }
  
      @Override
      public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
          return false;
      }
  
      @Override
      public void onLongPress(MotionEvent e) {
          // Quick scale (no long press)
          if (quickScale)
              return;
  
          mMap.handleGesture(Gesture.LONG_PRESS, mMotionEvent.wrap(e));
      }
  
      @Override
      public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
          return false;
      }
  
      @Override
      public boolean onDown(MotionEvent e) {
          quickScale = false;
  
          return mMap.handleGesture(Gesture.PRESS, mMotionEvent.wrap(e));
      }
  
      /* OnDoubleTapListener */
  
      @Override
      public boolean onSingleTapConfirmed(MotionEvent e) {
          return mMap.handleGesture(Gesture.TAP, mMotionEvent.wrap(e));
      }
  
      @Override
      public boolean onDoubleTapEvent(MotionEvent e) {
          int action = e.getActionMasked();
  
          // Quick scale
          quickScale = (action == MotionEvent.ACTION_MOVE);
  
          return false;
      }
  
      @Override
      public boolean onDoubleTap(MotionEvent e) {
          return mMap.handleGesture(Gesture.DOUBLE_TAP, mMotionEvent.wrap(e));
      }
  }
  