/*
* Copyright 2016, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.zhuinden.simplestackdemoexamplemvp.util;
import android.content.Context;
import android.support.v4.view.ViewCompat;
import android.support.v4.widget.SwipeRefreshLayout;
import android.util.AttributeSet;
import android.view.View;
/**
* Extends {@link SwipeRefreshLayout} to support non-direct descendant scrolling views.
* <p>
* {@link SwipeRefreshLayout} works as expected when a scroll view is a direct child: it triggers
* the refresh only when the view is on top. This class adds a way (@link #setScrollUpChild} to
* define which view controls this behavior.
*/
public class ScrollChildSwipeRefreshLayout extends SwipeRefreshLayout {
private View mScrollUpChild;
public ScrollChildSwipeRefreshLayout(Context context) {
super(context);
}
public ScrollChildSwipeRefreshLayout(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
public boolean canChildScrollUp() {
if (mScrollUpChild != null) {
return ViewCompat.canScrollVertically(mScrollUpChild, -1);
}
return super.canChildScrollUp();
}
public void setScrollUpChild(View view) {
mScrollUpChild = view;
}
}