/*
 * Copyright (C) 2018 Yaroslav Mytkalyk
 *
 * 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.doctoror.fuckoffmusicplayer.presentation.mvvm;

import android.databinding.Observable;
import android.support.annotation.NonNull;

public abstract class OnPropertyChangedCallback<T extends Observable>
        extends Observable.OnPropertyChangedCallback {

    @Override
    public final void onPropertyChanged(@NonNull final Observable sender, final int propertyId) {
        //noinspection unchecked
        onPropertyChanged2((T) sender, propertyId);
    }

    protected abstract void onPropertyChanged2(@NonNull T sender, int propertyId);
}

Add typed OnPropertyChangedCallback.