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