Home | History | Annotate | Download | only in ui 
      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 android.support.v4.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;
     31     public MailSwipeRefreshLayout(Context context) {
     32         this(context, null);
     33     }
     34 
     35     public MailSwipeRefreshLayout(Context context, AttributeSet attr) {
     36         super(context, attr);
     37     }
     38 
     39     public void setScrollableChild(View scrollableChild) {
     40         mScrollableChild = scrollableChild;
     41     }
     42 
     43     @Override
     44     public boolean canChildScrollUp() {
     45         return mScrollableChild.canScrollVertically(-1 /* up direction */);
     46     }
     47 }
     48