1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.tv.settings.util; 18 19 import android.net.Uri; 20 21 import java.util.Comparator; 22 23 class TransitionImageMatcher implements Comparator<TransitionImage> { 24 TransitionImageMatcher()25 public TransitionImageMatcher() { 26 } 27 28 @Override compare(TransitionImage lhs, TransitionImage rhs)29 public int compare(TransitionImage lhs, TransitionImage rhs) { 30 Uri l = lhs == null ? null : lhs.getUri(); 31 Uri r = rhs == null ? null : rhs.getUri(); 32 if (l == null) { 33 return r == null ? 0 : -1; 34 } 35 if (r == null) { 36 return 1; 37 } 38 return l.compareTo(r); 39 } 40 41 } 42