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 "vendor_packet.h"
20 
21 namespace bluetooth {
22 namespace avrcp {
23 
24 class PlayItemResponseBuilder : public VendorPacketBuilder {
25  public:
26   virtual ~PlayItemResponseBuilder() = default;
27 
28   static std::unique_ptr<PlayItemResponseBuilder> MakeBuilder(Status status);
29 
30   virtual size_t size() const override;
31   virtual bool Serialize(
32       const std::shared_ptr<::bluetooth::Packet>& pkt) override;
33 
34  protected:
35   Status status_;
36 
PlayItemResponseBuilder(Status status)37   PlayItemResponseBuilder(Status status)
38       : VendorPacketBuilder(CType::ACCEPTED, CommandPdu::PLAY_ITEM,
39                             PacketType::SINGLE),
40         status_(status){};
41 };
42 
43 class PlayItemRequest : public VendorPacket {
44  public:
45   virtual ~PlayItemRequest() = default;
46 
47   /**
48    * AVRCP Play Item Request Packet Layout
49    *   AvrcpPacket:
50    *     CType c_type_;
51    *     uint8_t subunit_type_ : 5;
52    *     uint8_t subunit_id_ : 3;
53    *     Opcode opcode_;
54    *   VendorPacket:
55    *     uint8_t company_id[3];
56    *     uint8_t command_pdu;
57    *     uint8_t packet_type;
58    *     uint16_t parameter_length;
59    *   PlayItemRequest:
60    *     uint8_t scope_;
61    *     uint64_t uid_;
62    *     uint16_t uid_counter_;
63    */
kMinSize()64   static constexpr size_t kMinSize() { return VendorPacket::kMinSize() + 11; }
65 
66   Scope GetScope() const;
67   uint64_t GetUid() const;
68   uint16_t GetUidCounter() const;
69 
70   virtual bool IsValid() const override;
71   virtual std::string ToString() const override;
72 
73  protected:
74   using VendorPacket::VendorPacket;
75 };
76 
77 }  // namespace avrcp
78 }  // namespace bluetooth