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      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.systemui;
     18 
     19 import android.util.ArrayMap;
     20 import android.util.ArraySet;
     21 
     22 import java.util.Arrays;
     23 
     24 /**
     25  * Struct to track relevant packages and notifications for a userid's foreground services.
     26  */
     27 class ForegroundServicesUserState {
     28     // shelf life of foreground services before they go bad
     29     private static final long FG_SERVICE_GRACE_MILLIS = 5000;
     30 
     31     private String[] mRunning = null;
     32     private long mServiceStartTime = 0;
     33     // package -> sufficiently important posted notification keys
     34     private ArrayMap<String, ArraySet<String>> mImportantNotifications = new ArrayMap<>(1);
     35     // package -> standard layout posted notification keys
     36     private ArrayMap<String, ArraySet<String>> mStandardLayoutNotifications = new ArrayMap<>(1);
     37 
     38     // package -> app ops
     39     private ArrayMap<String, ArraySet<Integer>> mAppOps = new ArrayMap<>(1);
     40 
     41     public void setRunningServices(String[] pkgs, long serviceStartTime) {
     42         mRunning = pkgs != null ? Arrays.copyOf(pkgs, pkgs.length) : null;
     43         mServiceStartTime = serviceStartTime;
     44     }
     45 
     46     public void addOp(String pkg, int op) {
     47         if (mAppOps.get(pkg) == null) {
     48             mAppOps.put(pkg, new ArraySet<>(3));
     49         }
     50         mAppOps.get(pkg).add(op);
     51     }
     52 
     53     public boolean removeOp(String pkg, int op) {
     54         final boolean found;
     55         final ArraySet<Integer> keys = mAppOps.get(pkg);
     56         if (keys == null) {
     57             found = false;
     58         } else {
     59             found = keys.remove(op);
     60             if (keys.size() == 0) {
     61                 mAppOps.remove(pkg);
     62             }
     63         }
     64         return found;
     65     }
     66 
     67     public void addImportantNotification(String pkg, String key) {
     68         addNotification(mImportantNotifications, pkg, key);
     69     }
     70 
     71     public boolean removeImportantNotification(String pkg, String key) {
     72         return removeNotification(mImportantNotifications, pkg, key);
     73     }
     74 
     75     public void addStandardLayoutNotification(String pkg, String key) {
     76         addNotification(mStandardLayoutNotifications, pkg, key);
     77     }
     78 
     79     public boolean removeStandardLayoutNotification(String pkg, String key) {
     80         return removeNotification(mStandardLayoutNotifications, pkg, key);
     81     }
     82 
     83     public boolean removeNotification(String pkg, String key) {
     84         boolean removed = false;
     85         removed |= removeImportantNotification(pkg, key);
     86         removed |= removeStandardLayoutNotification(pkg, key);
     87         return removed;
     88     }
     89 
     90     public void addNotification(ArrayMap<String, ArraySet<String>> map, String pkg,
     91             String key) {
     92         if (map.get(pkg) == null) {
     93             map.put(pkg, new ArraySet<>());
     94         }
     95         map.get(pkg).add(key);
     96     }
     97 
     98     public boolean removeNotification(ArrayMap<String, ArraySet<String>> map,
     99             String pkg, String key) {
    100         final boolean found;
    101         final ArraySet<String> keys = map.get(pkg);
    102         if (keys == null) {
    103             found = false;
    104         } else {
    105             found = keys.remove(key);
    106             if (keys.size() == 0) {
    107                 map.remove(pkg);
    108             }
    109         }
    110         return found;
    111     }
    112 
    113     public boolean isDisclosureNeeded() {
    114         if (mRunning != null
    115                 && System.currentTimeMillis() - mServiceStartTime
    116                 >= FG_SERVICE_GRACE_MILLIS) {
    117 
    118             for (String pkg : mRunning) {
    119                 final ArraySet<String> set = mImportantNotifications.get(pkg);
    120                 if (set == null || set.size() == 0) {
    121                     return true;
    122                 }
    123             }
    124         }
    125         return false;
    126     }
    127 
    128     public ArraySet<Integer> getFeatures(String pkg) {
    129         return mAppOps.get(pkg);
    130     }
    131 
    132     public String getStandardLayoutKey(String pkg) {
    133         final ArraySet<String> set = mStandardLayoutNotifications.get(pkg);
    134         if (set == null || set.size() == 0) {
    135             return null;
    136         }
    137         return set.valueAt(0);
    138     }
    139 
    140     @Override
    141     public String toString() {
    142         return "UserServices{"
    143                 + "mRunning=" + Arrays.toString(mRunning)
    144                 + ", mServiceStartTime=" + mServiceStartTime
    145                 + ", mImportantNotifications=" + mImportantNotifications
    146                 + ", mStandardLayoutNotifications=" + mStandardLayoutNotifications
    147                 + '}';
    148     }
    149 }
    150