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 // TODO (apanicke): This packet doesn't really need to exist as it provides 25 // zero extra information other than it is a strong type and provides a 26 // validator 27 class GetPlayStatusRequest : public VendorPacket { 28 public: 29 virtual ~GetPlayStatusRequest() = default; 30 31 /** 32 * Get Capabilities Response Packet Layout 33 * AvrcpPacket: 34 * CType c_type_; 35 * uint8_t subunit_type_ : 5; 36 * uint8_t subunit_id_ : 3; 37 * Opcode opcode_; 38 * VendorPacket: 39 * uint8_t company_id[3]; 40 * uint8_t command_pdu; 41 * uint8_t packet_type; 42 * uint16_t param_length = 0; 43 */ kMinSize()44 static constexpr size_t kMinSize() { return Packet::kMinSize() + 7; } 45 46 // Overloaded Functions 47 virtual bool IsValid() const override; 48 virtual std::string ToString() const override; 49 50 protected: 51 using VendorPacket::VendorPacket; 52 }; 53 54 class GetPlayStatusResponseBuilder : public VendorPacketBuilder { 55 public: 56 virtual ~GetPlayStatusResponseBuilder() = default; 57 58 static std::unique_ptr<GetPlayStatusResponseBuilder> MakeBuilder( 59 uint32_t song_length, uint32_t song_position, uint8_t play_status); 60 61 virtual size_t size() const override; 62 virtual bool Serialize( 63 const std::shared_ptr<::bluetooth::Packet>& pkt) override; 64 65 protected: 66 uint32_t song_length_; 67 uint32_t song_position_; 68 uint8_t play_status_; 69 GetPlayStatusResponseBuilder(uint32_t song_length,uint32_t song_position,uint8_t play_status)70 GetPlayStatusResponseBuilder(uint32_t song_length, uint32_t song_position, 71 uint8_t play_status) 72 : VendorPacketBuilder(CType::STABLE, CommandPdu::GET_PLAY_STATUS, 73 PacketType::SINGLE), 74 song_length_(song_length), 75 song_position_(song_position), 76 play_status_(play_status){}; 77 }; 78 79 } // namespace avrcp 80 } // namespace bluetooth