1/*
2 * Copyright (C) 2016 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.documentsui.dirlist;
18
19import android.content.Context;
20import android.content.res.TypedArray;
21import android.support.annotation.ColorRes;
22import android.support.v4.widget.SwipeRefreshLayout;
23import android.util.AttributeSet;
24import android.view.MotionEvent;
25
26/**
27 * A {@link SwipeRefreshLayout} that does not intercept any touch events. This relies on its nested
28 * view to scroll in order to cause a refresh. It is possible that it gets disabled by
29 * {@link ListeningGestureDetector} .
30 */
31public class DocumentsSwipeRefreshLayout extends SwipeRefreshLayout {
32
33    private static final int[] COLOR_RES = new int[] { android.R.attr.colorAccent };
34    private static int COLOR_ACCENT_INDEX = 0;
35
36    public DocumentsSwipeRefreshLayout(Context context) {
37        this(context, null);
38    }
39
40    public DocumentsSwipeRefreshLayout(Context context, AttributeSet attrs) {
41        super(context, attrs);
42
43        TypedArray a = context.obtainStyledAttributes(COLOR_RES);
44        @ColorRes int colorId = a.getResourceId(COLOR_ACCENT_INDEX, -1);
45        a.recycle();
46        setColorSchemeResources(colorId);
47    }
48
49    @Override
50    public boolean onInterceptTouchEvent(MotionEvent e) {
51        return false;
52    }
53}