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      1 /*
      2  * Copyright (C) 2013 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.bluetooth.gatt;
     18 
     19 import android.bluetooth.le.ResultStorageDescriptor;
     20 import android.bluetooth.le.ScanFilter;
     21 import android.bluetooth.le.ScanSettings;
     22 import android.os.Binder;
     23 
     24 import java.util.List;
     25 import java.util.Objects;
     26 import java.util.UUID;
     27 
     28 /**
     29  * Helper class identifying a client that has requested LE scan results.
     30  *
     31  * @hide
     32  */
     33 /* package */class ScanClient {
     34     public int scannerId;
     35     public UUID[] uuids;
     36     public ScanSettings settings;
     37     public ScanSettings passiveSettings;
     38     public int appUid;
     39     public List<ScanFilter> filters;
     40     public List<List<ResultStorageDescriptor>> storages;
     41     // App associated with the scan client died.
     42     public boolean appDied;
     43     public boolean hasLocationPermission;
     44     public boolean hasPeersMacAddressPermission;
     45     // Pre-M apps are allowed to get scan results even if location is disabled
     46     public boolean legacyForegroundApp;
     47 
     48     public AppScanStats stats = null;
     49 
     50     private static final ScanSettings DEFAULT_SCAN_SETTINGS =
     51             new ScanSettings.Builder().setScanMode(ScanSettings.SCAN_MODE_LOW_LATENCY).build();
     52 
     53     ScanClient(int scannerId) {
     54         this(scannerId, new UUID[0], DEFAULT_SCAN_SETTINGS, null, null);
     55     }
     56 
     57     ScanClient(int scannerId, UUID[] uuids) {
     58         this(scannerId, uuids, DEFAULT_SCAN_SETTINGS, null, null);
     59     }
     60 
     61     ScanClient(int scannerId, ScanSettings settings, List<ScanFilter> filters) {
     62         this(scannerId, new UUID[0], settings, filters, null);
     63     }
     64 
     65     ScanClient(int scannerId, ScanSettings settings, List<ScanFilter> filters,
     66             List<List<ResultStorageDescriptor>> storages) {
     67         this(scannerId, new UUID[0], settings, filters, storages);
     68     }
     69 
     70     private ScanClient(int scannerId, UUID[] uuids, ScanSettings settings, List<ScanFilter> filters,
     71             List<List<ResultStorageDescriptor>> storages) {
     72         this.scannerId = scannerId;
     73         this.uuids = uuids;
     74         this.settings = settings;
     75         this.passiveSettings = null;
     76         this.filters = filters;
     77         this.storages = storages;
     78         this.appUid = Binder.getCallingUid();
     79     }
     80 
     81     @Override
     82     public boolean equals(Object obj) {
     83         if (this == obj) {
     84             return true;
     85         }
     86         if (obj == null || getClass() != obj.getClass()) {
     87             return false;
     88         }
     89         ScanClient other = (ScanClient) obj;
     90         return scannerId == other.scannerId;
     91     }
     92 
     93     @Override
     94     public int hashCode() {
     95         return Objects.hash(scannerId);
     96     }
     97 }
     98