1 //
2 //  Copyright (C) 2017 Google, Inc.
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 <map>
20 #include <string>
21 
22 #include "base/macros.h"
23 
24 #include "android/bluetooth/BnBluetoothAvrcpControl.h"
25 #include "android/bluetooth/IBluetoothAvrcpControlCallback.h"
26 
27 #include "service/avrcp_control.h"
28 #include "service/ipc/binder/interface_with_instances_base.h"
29 
30 namespace bluetooth {
31 class Adapter;
32 }  // namespace bluetooth
33 
34 namespace ipc {
35 namespace binder {
36 
37 class BluetoothAvrcpControlBinderServer
38     : public InterfaceWithInstancesBase,
39       public android::bluetooth::BnBluetoothAvrcpControl,
40       public bluetooth::AvrcpControl::Delegate {
41  public:
42   explicit BluetoothAvrcpControlBinderServer(bluetooth::Adapter* adapter);
43   ~BluetoothAvrcpControlBinderServer() override = default;
44 
45   // IBluetoothAvrcpControl implementation:
46   android::binder::Status Register(
47       const android::sp<::android::bluetooth::IBluetoothAvrcpControlCallback>&
48           callback,
49       bool* _aidl_return) override;
50   android::binder::Status Unregister(int32_t id) override;
51   android::binder::Status UnregisterAll() override;
52   android::binder::Status Enable(int32_t id, bool* _aidl_return) override;
53   android::binder::Status Disable(int32_t id, bool* _aidl_return) override;
54   android::binder::Status SendPassThroughCommand(
55       int32_t id, const android::String16& device_address, int32_t key_code,
56       bool key_pressed, bool* _aidl_return) override;
57   android::binder::Status SetAbsVolumeResponse(
58       int32_t id, const android::String16& device_address, int32_t abs_vol,
59       int32_t label, bool* _aidl_return) override;
60   android::binder::Status RegisterForAbsVolumeCallbackResponse(
61       int32_t id, const android::String16& device_address,
62       int32_t response_type, int32_t abs_vol, int32_t label,
63       bool* _aidl_return) override;
64 
65  private:
66   // bluetooth::bluetooth::AvrcpControl::Delegate implementation:
67   void OnConnectionState(bool rc_connect, bool bt_connect,
68                          const std::string& device_address) override;
69   void OnTrackChanged(const std::string& device_address,
70                       const bluetooth::AvrcpMediaAttr& attr) override;
71   void OnSetAbsVolumeRequest(const std::string& device_address, int32_t abs_vol,
72                              int32_t label) override;
73   void OnRegisterForAbsVolumeCallbackRequest(const std::string& device_address,
74                                              int32_t label) override;
75 
76   // InterfaceWithInstancesBase override:
77   void OnRegisterInstanceImpl(bluetooth::BLEStatus status,
78                               android::sp<IInterface> callback,
79                               bluetooth::BluetoothInstance* instance) override;
80 
81   std::shared_ptr<bluetooth::AvrcpControl> GetAvrcpControl(int id);
82 
83   bluetooth::Adapter* adapter_;  // weak
84 
85   DISALLOW_COPY_AND_ASSIGN(BluetoothAvrcpControlBinderServer);
86 };
87 
88 }  // namespace binder
89 }  // namespace ipc
90