| /* |
| * 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.server.notification; |
| |
| import java.util.Comparator; |
| |
| /** |
| * Sorts notificaitons into attention-relelvant order. |
| */ |
| public class NotificationComparator |
| implements Comparator<NotificationRecord> { |
| |
| @Override |
| public int compare(NotificationRecord lhs, NotificationRecord rhs) { |
| if (lhs.isRecentlyIntrusive() != rhs.isRecentlyIntrusive()) { |
| return lhs.isRecentlyIntrusive() ? -1 : 1; |
| } |
| final int leftScore = lhs.sbn.getScore(); |
| final int rightScore = rhs.sbn.getScore(); |
| if (leftScore != rightScore) { |
| // by priority, high to low |
| return -1 * Integer.compare(leftScore, rightScore); |
| } |
| final float leftPeple = lhs.getContactAffinity(); |
| final float rightPeople = rhs.getContactAffinity(); |
| if (leftPeple != rightPeople) { |
| // by contact proximity, close to far |
| return -1 * Float.compare(leftPeple, rightPeople); |
| } |
| // then break ties by time, most recent first |
| return -1 * Long.compare(lhs.getRankingTimeMs(), rhs.getRankingTimeMs()); |
| } |
| } |