Makoto Onuki | 75ad249 | 2018-03-28 14:42:42 -0700 | [diff] [blame] | 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 | package com.android.server.content; |
| 17 | |
| 18 | import android.app.usage.UsageStatsManagerInternal; |
| 19 | import android.os.SystemClock; |
| 20 | import android.util.Pair; |
| 21 | |
| 22 | import com.android.server.AppStateTracker; |
| 23 | import com.android.server.LocalServices; |
| 24 | |
| 25 | import java.util.HashMap; |
| 26 | |
| 27 | class SyncAdapterStateFetcher { |
| 28 | |
| 29 | private final HashMap<Pair<Integer, String>, Integer> mBucketCache = |
| 30 | new HashMap<>(); |
| 31 | |
| 32 | public SyncAdapterStateFetcher() { |
| 33 | } |
| 34 | |
| 35 | /** |
| 36 | * Return sync adapter state with a cache. |
| 37 | */ |
| 38 | public int getStandbyBucket(int userId, String packageName) { |
| 39 | final Pair<Integer, String> key = Pair.create(userId, packageName); |
| 40 | final Integer cached = mBucketCache.get(key); |
| 41 | if (cached != null) { |
| 42 | return cached; |
| 43 | } |
| 44 | final UsageStatsManagerInternal usmi = |
| 45 | LocalServices.getService(UsageStatsManagerInternal.class); |
| 46 | if (usmi == null) { |
| 47 | return -1; // Unknown. |
| 48 | } |
| 49 | |
| 50 | final int value = usmi.getAppStandbyBucket(packageName, userId, |
| 51 | SystemClock.elapsedRealtime()); |
| 52 | mBucketCache.put(key, value); |
| 53 | return value; |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * Return UID active state. |
| 58 | */ |
| 59 | public boolean isAppActive(int uid) { |
| 60 | final AppStateTracker ast = |
| 61 | LocalServices.getService(AppStateTracker.class); |
| 62 | if (ast == null) { |
| 63 | return false; |
| 64 | } |
| 65 | |
| 66 | return ast.isUidActive(uid); |
| 67 | } |
| 68 | } |