content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 org.apache.weex.common;
  
  import android.support.v7.widget.RecyclerView;
  import android.view.View;
  
  
  public interface OnWXScrollListener {
  
    /**
     * The  view is not currently scrolling.
     */
    int IDLE = RecyclerView.SCROLL_STATE_IDLE;
    /**
     * The view is currently being dragged by outside input such as user touch input.
     */
    int DRAGGING = RecyclerView.SCROLL_STATE_DRAGGING;
    /**
     * The view is currently animating to a final position while not under
     * outside control.
     */
    int SETTLING = RecyclerView.SCROLL_STATE_SETTLING;
  
    /**
     * Callback method to be invoked when the view has been scrolled. This will be
     * called after the scroll has completed.
     * <p>
     * This callback will also be called if visible item range changes after a layout
     * calculation. In that case, dx and dy will be 0.
     *
     */
    void onScrolled(View view, int x, int y);
  
    /**
     * Callback method to be invoked when view's scroll state changes.
     *
     */
    void onScrollStateChanged(View view, int x, int y, int newState);
  }
  