content: /*
   * Copyright (C) 2018 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.am;
  
  import android.util.SparseArray;
  
  /** Class for tracking active uids for running processes. */
  final class ActiveUids {
  
      private ActivityManagerService mService;
  
      private boolean mPostChangesToAtm;
      private final SparseArray<UidRecord> mActiveUids = new SparseArray<>();
  
      ActiveUids(ActivityManagerService service, boolean postChangesToAtm) {
          mService = service;
          mPostChangesToAtm = postChangesToAtm;
      }
  
      void put(int uid, UidRecord value) {
          mActiveUids.put(uid, value);
          if (mPostChangesToAtm) {
              mService.mAtmInternal.onUidActive(uid, value.getCurProcState());
          }
      }
  
      void remove(int uid) {
          mActiveUids.remove(uid);
          if (mPostChangesToAtm) {
              mService.mAtmInternal.onUidInactive(uid);
          }
      }
  
      void clear() {
          mActiveUids.clear();
          if (mPostChangesToAtm) {
              mService.mAtmInternal.onActiveUidsCleared();
          }
      }
  
      UidRecord get(int uid) {
          return mActiveUids.get(uid);
      }
  
      int size() {
          return mActiveUids.size();
      }
  
      UidRecord valueAt(int index) {
          return mActiveUids.valueAt(index);
      }
  
      int keyAt(int index) {
          return mActiveUids.keyAt(index);
      }
  
      int indexOfKey(int uid) {
          return mActiveUids.indexOfKey(uid);
      }
  }
  