1 /* 2 * Copyright (C) 2015 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.data; 18 19 import android.media.tv.TvInputInfo; 20 import com.android.tv.util.SetupUtils; 21 import com.android.tv.util.TvInputManagerHelper; 22 import java.util.Comparator; 23 24 /** Compares TV input such that the new input comes first. */ 25 public class TvInputNewComparator implements Comparator<TvInputInfo> { 26 private final SetupUtils mSetupUtils; 27 private final TvInputManagerHelper mInputManager; 28 TvInputNewComparator(SetupUtils setupUtils, TvInputManagerHelper inputManager)29 public TvInputNewComparator(SetupUtils setupUtils, TvInputManagerHelper inputManager) { 30 mSetupUtils = setupUtils; 31 mInputManager = inputManager; 32 } 33 34 @Override compare(TvInputInfo lhs, TvInputInfo rhs)35 public int compare(TvInputInfo lhs, TvInputInfo rhs) { 36 boolean lhsIsNewInput = mSetupUtils.isNewInput(lhs.getId()); 37 boolean rhsIsNewInput = mSetupUtils.isNewInput(rhs.getId()); 38 if (lhsIsNewInput != rhsIsNewInput) { 39 // New input first. 40 return lhsIsNewInput ? -1 : 1; 41 } 42 if (!lhsIsNewInput) { 43 // Checks only when the inputs are not new. 44 boolean lhsSetupDone = mSetupUtils.isSetupDone(lhs.getId()); 45 boolean rhsSetupDone = mSetupUtils.isSetupDone(rhs.getId()); 46 if (lhsSetupDone != rhsSetupDone) { 47 // An input which has not been setup comes first. 48 return lhsSetupDone ? 1 : -1; 49 } 50 } 51 return mInputManager.getDefaultTvInputInfoComparator().compare(lhs, rhs); 52 } 53 } 54