content: /*
   * android-spinnerwheel
   * https://github.com/ai212983/android-spinnerwheel
   *
   * based on
   *
   * Android Wheel Control.
   * https://code.google.com/p/android-wheel/
   *
   * Copyright 2011 Yuri Kanivets
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package antistatic.spinnerwheel;
  
  import android.content.Context;
  import android.view.MotionEvent;
  
  /**
   * Scroller class handles scrolling events and updates the 
   */
  public class WheelVerticalScroller extends WheelScroller {
  
      /**
       * Constructor
       * @param context the current context
       * @param listener the scrolling listener
       */
      public WheelVerticalScroller(Context context, ScrollingListener listener) {
          super(context, listener);
      }
  
      @Override
      protected int getCurrentScrollerPosition() {
          return scroller.getCurrY();
      }
  
      @Override
      protected int getFinalScrollerPosition() {
          return scroller.getFinalY();
      }
  
      @Override
      protected float getMotionEventPosition(MotionEvent event) {
          // should be overriden
          return event.getY();
      }
  
      @Override
      protected void scrollerStartScroll(int distance, int time) {
          scroller.startScroll(0, 0, 0, distance, time);
      }
  
      @Override
      protected void scrollerFling(int position, int velocityX, int velocityY) {
          final int maxPosition = 0x7FFFFFFF;
          final int minPosition = -maxPosition;
          scroller.fling(0, position, 0, -velocityY, 0, 0, minPosition, maxPosition);
      }
  }
  