1 /* 2 * Copyright (C) 2018 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.server.am; 18 19 import android.util.SparseArray; 20 21 /** Class for tracking active uids for running processes. */ 22 final class ActiveUids { 23 24 private ActivityManagerService mService; 25 26 private boolean mPostChangesToAtm; 27 private final SparseArray<UidRecord> mActiveUids = new SparseArray<>(); 28 29 ActiveUids(ActivityManagerService service, boolean postChangesToAtm) { 30 mService = service; 31 mPostChangesToAtm = postChangesToAtm; 32 } 33 34 void put(int uid, UidRecord value) { 35 mActiveUids.put(uid, value); 36 if (mPostChangesToAtm) { 37 mService.mAtmInternal.onUidActive(uid, value.getCurProcState()); 38 } 39 } 40 41 void remove(int uid) { 42 mActiveUids.remove(uid); 43 if (mPostChangesToAtm) { 44 mService.mAtmInternal.onUidInactive(uid); 45 } 46 } 47 48 void clear() { 49 mActiveUids.clear(); 50 if (mPostChangesToAtm) { 51 mService.mAtmInternal.onActiveUidsCleared(); 52 } 53 } 54 55 UidRecord get(int uid) { 56 return mActiveUids.get(uid); 57 } 58 59 int size() { 60 return mActiveUids.size(); 61 } 62 63 UidRecord valueAt(int index) { 64 return mActiveUids.valueAt(index); 65 } 66 67 int keyAt(int index) { 68 return mActiveUids.keyAt(index); 69 } 70 71 int indexOfKey(int uid) { 72 return mActiveUids.indexOfKey(uid); 73 } 74 } 75
