1 /*
2  * Copyright 2018 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 "stack/include/a2dp_api.h"
20 #include "stack/include/avrc_api.h"
21 #include "stack/include/bt_hdr.h"
22 #include "types/bluetooth/uuid.h"
23 #include "types/raw_address.h"
24 
25 /**
26  * Wrapper classes for the API functions currently defined in
27  * "packages/modules/Bluetooth/system/stack". ConnectionHandler and AvrcpDevice both use this
28  * interface to manage AVRCP SDP, connections, and packets. We use these intermediate interfaces
29  * instead of calling the functions directly in order to make mocking and testing easier.
30  */
31 // TODO (apanicke): Update the api's in "packages/modules/Bluetooth/system/stack" so that no wrapper
32 // is required
33 class AvrcpInterface {
34 public:
35   virtual uint16_t GetAvrcpVersion() = 0;
36 
37   virtual uint16_t AddRecord(uint16_t service_uuid, const char* p_service_name,
38                              const char* p_provider_name, uint16_t categories, uint32_t sdp_handle,
39                              bool browse_supported, uint16_t profile_version,
40                              uint16_t cover_art_psm) = 0;
41 
42   virtual uint16_t RemoveRecord(uint32_t sdp_handle) = 0;
43 
44   virtual uint16_t FindService(uint16_t service_uuid, const RawAddress& bd_addr,
45                                tAVRC_SDP_DB_PARAMS* p_db, tAVRC_FIND_CBACK p_cback) = 0;
46 
47   virtual uint16_t Open(uint8_t* p_handle, tAVRC_CONN_CB* p_ccb, const RawAddress& bd_addr) = 0;
48 
49   virtual uint16_t OpenBrowse(uint8_t handle, tAVCT_ROLE conn_role) = 0;
50 
51   virtual uint16_t GetPeerMtu(uint8_t handle) = 0;
52 
53   virtual uint16_t GetBrowseMtu(uint8_t handle) = 0;
54 
55   virtual uint16_t Close(uint8_t handle) = 0;
56 
57   virtual uint16_t CloseBrowse(uint8_t handle) = 0;
58 
59   virtual uint16_t MsgReq(uint8_t handle, uint8_t label, uint8_t ctype, BT_HDR* p_pkt) = 0;
60 
61   virtual void SaveControllerVersion(const RawAddress& bdaddr, uint16_t version) = 0;
62 
63   virtual ~AvrcpInterface() = default;
64 };
65 
66 class SdpInterface {
67 public:
68   virtual bool InitDiscoveryDb(tSDP_DISCOVERY_DB* a, uint32_t b, uint16_t c,
69                                const bluetooth::Uuid* d, uint16_t e, uint16_t* f) = 0;
70 
71   virtual bool ServiceSearchAttributeRequest(const RawAddress& a, tSDP_DISCOVERY_DB* b,
72                                              tSDP_DISC_CMPL_CB* c) = 0;
73 
74   virtual tSDP_DISC_REC* FindServiceInDb(tSDP_DISCOVERY_DB* a, uint16_t b, t_sdp_disc_rec* c) = 0;
75 
76   virtual tSDP_DISC_ATTR* FindAttributeInRec(t_sdp_disc_rec* a, uint16_t b) = 0;
77 
78   virtual bool FindProfileVersionInRec(t_sdp_disc_rec* a, uint16_t b, uint16_t* c) = 0;
79 
80   virtual ~SdpInterface() = default;
81 };
82 
83 class A2dpInterface {
84 public:
85   virtual RawAddress active_peer() = 0;
86   virtual bool is_peer_in_silence_mode(const RawAddress& peer_address) = 0;
87   virtual void connect_audio_sink_delayed(uint8_t handle, const RawAddress& peer_address) = 0;
88   virtual uint16_t find_audio_sink_service(const RawAddress& peer_address,
89                                            tA2DP_FIND_CBACK p_cback) = 0;
90   virtual ~A2dpInterface() = default;
91 };
92