1 /* 2 * Copyright (C) 2014 Google Inc. 3 * Licensed to The Android Open Source Project. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package com.android.mail.ui; 19 20 import android.content.Context; 21 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout; 22 import android.util.AttributeSet; 23 import android.view.View; 24 25 /** 26 * Overrides {@code SwipeRefreshLayout} to enable swiping the empty state. 27 */ 28 public class MailSwipeRefreshLayout extends SwipeRefreshLayout { 29 30 private View mScrollableChild; MailSwipeRefreshLayout(Context context)31 public MailSwipeRefreshLayout(Context context) { 32 this(context, null); 33 } 34 MailSwipeRefreshLayout(Context context, AttributeSet attr)35 public MailSwipeRefreshLayout(Context context, AttributeSet attr) { 36 super(context, attr); 37 } 38 setScrollableChild(View scrollableChild)39 public void setScrollableChild(View scrollableChild) { 40 mScrollableChild = scrollableChild; 41 } 42 43 @Override canChildScrollUp()44 public boolean canChildScrollUp() { 45 return mScrollableChild.canScrollVertically(-1 /* up direction */); 46 } 47 } 48