| /* |
| * Copyright 2015, 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.android.settings.dashboard.conditional; |
| |
| import android.content.Context; |
| import androidx.annotation.Nullable; |
| import androidx.recyclerview.widget.RecyclerView; |
| import android.util.AttributeSet; |
| |
| /** |
| * Version of RecyclerView that can have listeners for onWindowFocusChanged. |
| */ |
| public class FocusRecyclerView extends RecyclerView { |
| |
| private FocusListener mListener; |
| |
| public FocusRecyclerView(Context context, @Nullable AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| @Override |
| public void onWindowFocusChanged(boolean hasWindowFocus) { |
| super.onWindowFocusChanged(hasWindowFocus); |
| if (mListener != null) { |
| mListener.onWindowFocusChanged(hasWindowFocus); |
| } |
| } |
| |
| public void setListener(FocusListener listener) { |
| mListener = listener; |
| } |
| |
| public interface FocusListener { |
| void onWindowFocusChanged(boolean hasWindowFocus); |
| } |
| } |