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      1 /*
      2  * Copyright (C) 2017 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.launcher3.notification;
     18 
     19 import java.util.HashSet;
     20 import java.util.Set;
     21 
     22 /**
     23  * Contains data related to a group of notifications, like the group summary key and the child keys.
     24  */
     25 public class NotificationGroup {
     26     private String mGroupSummaryKey;
     27     private Set<String> mChildKeys;
     28 
     29     public NotificationGroup() {
     30         mChildKeys = new HashSet<>();
     31     }
     32 
     33     public void setGroupSummaryKey(String groupSummaryKey) {
     34         mGroupSummaryKey = groupSummaryKey;
     35     }
     36 
     37     public String getGroupSummaryKey() {
     38         return mGroupSummaryKey;
     39     }
     40 
     41     public void addChildKey(String childKey) {
     42         mChildKeys.add(childKey);
     43     }
     44 
     45     public void removeChildKey(String childKey) {
     46         mChildKeys.remove(childKey);
     47     }
     48 
     49     public boolean isEmpty() {
     50         return mChildKeys.isEmpty();
     51     }
     52 }
     53