/* * 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 notifications individually into attention-relelvant order. */ public class NotificationComparator implements Comparator { @Override public int compare(NotificationRecord left, NotificationRecord right) { final int leftPackagePriority = left.getPackagePriority(); final int rightPackagePriority = right.getPackagePriority(); if (leftPackagePriority != rightPackagePriority) { // by priority, high to low return -1 * Integer.compare(leftPackagePriority, rightPackagePriority); } final int leftScore = left.sbn.getScore(); final int rightScore = right.sbn.getScore(); if (leftScore != rightScore) { // by priority, high to low return -1 * Integer.compare(leftScore, rightScore); } final float leftPeople = left.getContactAffinity(); final float rightPeople = right.getContactAffinity(); if (leftPeople != rightPeople) { // by contact proximity, close to far return -1 * Float.compare(leftPeople, rightPeople); } // then break ties by time, most recent first return -1 * Long.compare(left.getRankingTimeMs(), right.getRankingTimeMs()); } }