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 <base/logging.h> 20 #include <iostream> 21 22 #include "hardware/avrcp/avrcp_common.h" 23 #include "hardware/avrcp/avrcp_logging_helper.h" 24 #include "packet/base/iterator.h" 25 #include "packet/base/packet.h" 26 #include "packet/base/packet_builder.h" 27 28 namespace bluetooth { 29 namespace avrcp { 30 31 class BrowsePacketBuilder : public ::bluetooth::PacketBuilder { 32 public: 33 virtual ~BrowsePacketBuilder() = default; 34 35 static std::unique_ptr<BrowsePacketBuilder> MakeBuilder( 36 BrowsePdu pdu, std::unique_ptr<::bluetooth::PacketBuilder> payload); 37 38 virtual size_t size() const override; 39 virtual bool Serialize( 40 const std::shared_ptr<::bluetooth::Packet>& pkt) override; 41 42 protected: 43 BrowsePdu pdu_; 44 std::unique_ptr<::bluetooth::PacketBuilder> payload_; 45 46 void PushHeader(const std::shared_ptr<::bluetooth::Packet>& pkt, 47 uint16_t length); 48 BrowsePacketBuilder(BrowsePdu pdu)49 BrowsePacketBuilder(BrowsePdu pdu) : pdu_(pdu){}; 50 }; 51 52 class BrowsePacket : public ::bluetooth::Packet { 53 public: 54 BrowsePacket(const BrowsePacket&) = delete; 55 BrowsePacket& operator=(const BrowsePacket&) = delete; 56 57 virtual ~BrowsePacket() = default; 58 59 static std::shared_ptr<BrowsePacket> Parse( 60 std::shared_ptr<::bluetooth::Packet> pkt); 61 62 /** 63 * Avrcp Browse Packet Layout 64 * uint8_t pdu_; 65 * uint16_t length_; 66 * uint8_t[] payload_; 67 */ kMinSize()68 static constexpr size_t kMinSize() { return 3; } 69 70 BrowsePdu GetPdu() const; 71 uint16_t GetLength() const; 72 73 virtual bool IsValid() const override; 74 virtual std::string ToString() const override; 75 76 protected: 77 using ::bluetooth::Packet::Packet; 78 79 private: 80 virtual std::pair<size_t, size_t> GetPayloadIndecies() const override; 81 }; 82 83 } // namespace avrcp 84 } // namespace bluetooth 85