AdapterOnListChangedCallback.java

/*
 *  Copyright 2015 Fabio Collini.
 *
 * 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 it.cosenonjaviste.mv2m.recycler;

import android.databinding.ObservableList;
import android.support.v7.widget.RecyclerView;

public class AdapterOnListChangedCallback<T> extends ObservableList.OnListChangedCallback<ObservableList<T>> {

    private RecyclerView.Adapter<?> adapter;

    public AdapterOnListChangedCallback(RecyclerView.Adapter<?> adapter) {
        this.adapter = adapter;
    }

    @Override public void onChanged(ObservableList<T> sender) {
        adapter.notifyDataSetChanged();
    }

    @Override public void onItemRangeChanged(ObservableList<T> sender, int positionStart, int itemCount) {
        adapter.notifyItemRangeChanged(positionStart, itemCount);
    }

    @Override public void onItemRangeInserted(ObservableList<T> sender, int positionStart, int itemCount) {
        adapter.notifyItemRangeInserted(positionStart, itemCount);
    }

    @Override public void onItemRangeMoved(ObservableList<T> sender, int fromPosition, int toPosition, int itemCount) {
        adapter.notifyDataSetChanged();
    }

    @Override public void onItemRangeRemoved(ObservableList<T> sender, int positionStart, int itemCount) {
        adapter.notifyItemRangeRemoved(positionStart, itemCount);
    }
}