1//
2//  Copyright (C) 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
30using android::binder::Status;
31using android::String16;
32
33using android::bluetooth::BnBluetoothLeScanner;
34using android::bluetooth::IBluetoothLeScannerCallback;
35
36namespace bluetooth {
37class Adapter;
38}  // namespace bluetooth
39
40namespace ipc {
41namespace binder {
42
43// Implements the server side of the IBluetoothLowEnergy interface.
44class 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