| /* |
| * 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.v7.widget.util; |
| |
| import android.support.v7.util.SortedList; |
| import android.support.v7.widget.RecyclerView; |
| |
| /** |
| * A {@link SortedList.Callback} implementation that can bind a {@link SortedList} to a |
| * {@link RecyclerView.Adapter}. |
| */ |
| public abstract class SortedListAdapterCallback<T2> extends SortedList.Callback<T2> { |
| |
| final RecyclerView.Adapter mAdapter; |
| |
| /** |
| * Creates a {@link SortedList.Callback} that will forward data change events to the provided |
| * Adapter. |
| * |
| * @param adapter The Adapter instance which should receive events from the SortedList. |
| */ |
| public SortedListAdapterCallback(RecyclerView.Adapter adapter) { |
| mAdapter = adapter; |
| } |
| |
| @Override |
| public void onInserted(int position, int count) { |
| mAdapter.notifyItemRangeInserted(position, count); |
| } |
| |
| @Override |
| public void onRemoved(int position, int count) { |
| mAdapter.notifyItemRangeRemoved(position, count); |
| } |
| |
| @Override |
| public void onMoved(int fromPosition, int toPosition) { |
| mAdapter.notifyItemMoved(fromPosition, toPosition); |
| } |
| |
| @Override |
| public void onChanged(int position, int count) { |
| mAdapter.notifyItemRangeChanged(position, count); |
| } |
| |
| @Override |
| public void onChanged(int position, int count, Object payload) { |
| mAdapter.notifyItemRangeChanged(position, count, payload); |
| } |
| } |