content: /*
   * Copyright (C) 2017 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.launcher3.notification;
  
  import java.util.HashSet;
  import java.util.Set;
  
  /**
   * Contains data related to a group of notifications, like the group summary key and the child keys.
   */
  public class NotificationGroup {
      private String mGroupSummaryKey;
      private Set<String> mChildKeys;
  
      public NotificationGroup() {
          mChildKeys = new HashSet<>();
      }
  
      public void setGroupSummaryKey(String groupSummaryKey) {
          mGroupSummaryKey = groupSummaryKey;
      }
  
      public String getGroupSummaryKey() {
          return mGroupSummaryKey;
      }
  
      public void addChildKey(String childKey) {
          mChildKeys.add(childKey);
      }
  
      public void removeChildKey(String childKey) {
          mChildKeys.remove(childKey);
      }
  
      public boolean isEmpty() {
          return mChildKeys.isEmpty();
      }
  }
  