1 // 2 // Copyright 2016 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 #pragma once 18 19 #include <memory> 20 21 #include <base/macros.h> 22 23 #include <android/bluetooth/IBluetoothLeScannerCallback.h> 24 #include "android/bluetooth/BnBluetoothLeScanner.h" 25 26 #include "service/common/bluetooth/low_energy_constants.h" 27 #include "service/ipc/binder/interface_with_instances_base.h" 28 #include "service/low_energy_scanner.h" 29 30 using android::binder::Status; 31 using android::String16; 32 33 using android::bluetooth::BnBluetoothLeScanner; 34 using android::bluetooth::IBluetoothLeScannerCallback; 35 36 namespace bluetooth { 37 class Adapter; 38 } // namespace bluetooth 39 40 namespace ipc { 41 namespace binder { 42 43 // Implements the server side of the IBluetoothLowEnergy interface. 44 class BluetoothLeScannerBinderServer 45 : public BnBluetoothLeScanner, 46 public InterfaceWithInstancesBase, 47 public bluetooth::LowEnergyScanner::Delegate { 48 public: 49 explicit BluetoothLeScannerBinderServer(bluetooth::Adapter* adapter); 50 ~BluetoothLeScannerBinderServer() override; 51 52 // IBluetoothLowEnergy overrides: 53 Status RegisterScanner( 54 const android::sp<IBluetoothLeScannerCallback>& callback, 55 bool* _aidl_return) override; 56 Status UnregisterScanner(int scanner_id) override; 57 Status UnregisterAll() override; 58 Status StartScan(int scanner_id, 59 const android::bluetooth::ScanSettings& settings, 60 const std::vector<android::bluetooth::ScanFilter>& filters, 61 bool* _aidl_return) override; 62 Status StopScan(int scanner_id, bool* _aidl_return) override; 63 64 void OnScanResult(bluetooth::LowEnergyScanner* scanner, 65 const bluetooth::ScanResult& result) override; 66 67 private: 68 // Returns a pointer to the IBluetoothLowEnergyCallback instance associated 69 // with |scanner_id|. Returns NULL if such a callback cannot be found. 70 android::sp<IBluetoothLeScannerCallback> GetLECallback(int scanner_id); 71 72 // Returns a pointer to the LowEnergyScanner instance associated with 73 // |scanner_id|. Returns NULL if such a scanner cannot be found. 74 std::shared_ptr<bluetooth::LowEnergyScanner> GetLEScanner(int scanner_id); 75 76 // InterfaceWithInstancesBase override: 77 void OnRegisterInstanceImpl(bluetooth::BLEStatus status, 78 android::sp<IInterface> callback, 79 bluetooth::BluetoothInstance* instance) override; 80 81 bluetooth::Adapter* adapter_; // weak 82 83 DISALLOW_COPY_AND_ASSIGN(BluetoothLeScannerBinderServer); 84 }; 85 86 } // namespace binder 87 } // namespace ipc 88