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 <iostream> 20 21 #include "hardware/avrcp/avrcp_common.h" 22 #include "hardware/avrcp/avrcp_logging_helper.h" 23 #include "packet/base/iterator.h" 24 #include "packet/base/packet.h" 25 #include "packet/base/packet_builder.h" 26 27 namespace bluetooth { 28 namespace avrcp { 29 30 class BrowsePacketBuilder : public ::bluetooth::PacketBuilder { 31 public: 32 virtual ~BrowsePacketBuilder() = default; 33 34 static std::unique_ptr<BrowsePacketBuilder> MakeBuilder( 35 BrowsePdu pdu, std::unique_ptr<::bluetooth::PacketBuilder> payload); 36 37 virtual size_t size() const override; 38 virtual bool Serialize(const std::shared_ptr<::bluetooth::Packet>& pkt) override; 39 40 protected: 41 BrowsePdu pdu_; 42 std::unique_ptr<::bluetooth::PacketBuilder> payload_; 43 44 void PushHeader(const std::shared_ptr<::bluetooth::Packet>& pkt, uint16_t length); 45 BrowsePacketBuilder(BrowsePdu pdu)46 BrowsePacketBuilder(BrowsePdu pdu) : pdu_(pdu) {} 47 }; 48 49 class BrowsePacket : public ::bluetooth::Packet { 50 public: 51 BrowsePacket(const BrowsePacket&) = delete; 52 BrowsePacket& operator=(const BrowsePacket&) = delete; 53 54 virtual ~BrowsePacket() = default; 55 56 static std::shared_ptr<BrowsePacket> Parse(std::shared_ptr<::bluetooth::Packet> pkt); 57 58 /** 59 * Avrcp Browse Packet Layout 60 * uint8_t pdu_; 61 * uint16_t length_; 62 * uint8_t[] payload_; 63 */ kMinSize()64 static constexpr size_t kMinSize() { return 3; } 65 66 BrowsePdu GetPdu() const; 67 uint16_t GetLength() const; 68 69 virtual bool IsValid() const override; 70 virtual std::string ToString() const override; 71 72 protected: 73 using ::bluetooth::Packet::Packet; 74 75 private: 76 virtual std::pair<size_t, size_t> GetPayloadIndecies() const override; 77 }; 78 79 } // namespace avrcp 80 } // namespace bluetooth 81