1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.launcher3.allapps; 18 19 import android.content.Context; 20 import android.util.AttributeSet; 21 import android.view.MotionEvent; 22 23 import com.android.launcher3.views.RecyclerViewFastScroller; 24 25 /** 26 * Extension of {@link RecyclerViewFastScroller} to be used in landscape layout. 27 */ 28 public class LandscapeFastScroller extends RecyclerViewFastScroller { 29 30 public LandscapeFastScroller(Context context) { 31 super(context); 32 } 33 34 public LandscapeFastScroller(Context context, AttributeSet attrs) { 35 super(context, attrs); 36 } 37 38 public LandscapeFastScroller(Context context, AttributeSet attrs, int defStyleAttr) { 39 super(context, attrs, defStyleAttr); 40 } 41 42 @Override 43 public boolean handleTouchEvent(MotionEvent ev) { 44 // We handle our own touch event, no need to handle recycler view touch delegates. 45 return false; 46 } 47 48 @Override 49 public boolean onTouchEvent(MotionEvent event) { 50 event.offsetLocation(0, -mRv.getPaddingTop()); 51 if (super.handleTouchEvent(event)) { 52 getParent().requestDisallowInterceptTouchEvent(true); 53 } 54 event.offsetLocation(0, mRv.getPaddingTop()); 55 return true; 56 } 57 58 @Override 59 public boolean shouldBlockIntercept(int x, int y) { 60 // If the user touched the scroll bar area, block swipe 61 return x >= 0 && x < getWidth() && y >= 0 && y < getHeight(); 62 } 63 } 64
