/*
 * 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 com.android.tv.settings.util;

import android.net.Uri;

import java.util.Comparator;

class TransitionImageMatcher implements Comparator<TransitionImage> {

    public TransitionImageMatcher() {
    }

    @Override
    public int compare(TransitionImage lhs, TransitionImage rhs) {
        Uri l = lhs == null ? null : lhs.getUri();
        Uri r = rhs == null ? null : rhs.getUri();
        if (l == null) {
            return r == null ? 0 : -1;
        }
        if (r == null) {
            return 1;
        }
        return l.compareTo(r);
    }

}