content: /*
   * Copyright (C) 2017 The Android Open Source Project
   *
   * 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 com.android.launcher3.allapps;
  
  import android.content.Context;
  import android.util.AttributeSet;
  import android.view.MotionEvent;
  
  import com.android.launcher3.views.RecyclerViewFastScroller;
  
  /**
   * Extension of {@link RecyclerViewFastScroller} to be used in landscape layout.
   */
  public class LandscapeFastScroller extends RecyclerViewFastScroller {
  
      public LandscapeFastScroller(Context context) {
          super(context);
      }
  
      public LandscapeFastScroller(Context context, AttributeSet attrs) {
          super(context, attrs);
      }
  
      public LandscapeFastScroller(Context context, AttributeSet attrs, int defStyleAttr) {
          super(context, attrs, defStyleAttr);
      }
  
      @Override
      public boolean handleTouchEvent(MotionEvent ev) {
          // We handle our own touch event, no need to handle recycler view touch delegates.
          return false;
      }
  
      @Override
      public boolean onTouchEvent(MotionEvent event) {
          event.offsetLocation(0, -mRv.getPaddingTop());
          if (super.handleTouchEvent(event)) {
              getParent().requestDisallowInterceptTouchEvent(true);
          }
          event.offsetLocation(0, mRv.getPaddingTop());
          return true;
      }
  
      @Override
      public boolean shouldBlockIntercept(int x, int y) {
          // If the user touched the scroll bar area, block swipe
          return x >= 0 && x < getWidth() && y >= 0 && y < getHeight();
      }
  }
  