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
17package com.android.launcher3.allapps;
18
19import android.content.Context;
20import android.util.AttributeSet;
21import android.view.MotionEvent;
22
23import com.android.launcher3.views.RecyclerViewFastScroller;
24
25/**
26 * Extension of {@link RecyclerViewFastScroller} to be used in landscape layout.
27 */
28public 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