| /* |
| * Copyright (C) 2014 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 android.support.v17.leanback.widget; |
| |
| import android.support.v17.leanback.widget.ItemAlignmentFacet.ItemAlignmentDef; |
| import android.support.v7.widget.RecyclerView; |
| import android.view.View; |
| import android.view.ViewGroup; |
| |
| /** |
| * Interface for receiving notification when a child of this |
| * ViewGroup has been selected. |
| */ |
| public abstract class OnChildViewHolderSelectedListener { |
| /** |
| * Callback method to be invoked when a child of this ViewGroup has been |
| * selected. |
| * |
| * @param parent The RecyclerView where the selection happened. |
| * @param child The ViewHolder within the RecyclerView that is selected, or null if no |
| * view is selected. |
| * @param position The position of the view in the adapter, or NO_POSITION |
| * if no view is selected. |
| * @param subposition The index of which {@link ItemAlignmentDef} being used, |
| * 0 if there is no ItemAlignmentDef defined for the item. |
| */ |
| public void onChildViewHolderSelected(RecyclerView parent, RecyclerView.ViewHolder child, |
| int position, int subposition) { |
| } |
| } |