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( 39 const std::shared_ptr<::bluetooth::Packet>& pkt) override; 40 41 protected: 42 BrowsePdu pdu_; 43 std::unique_ptr<::bluetooth::PacketBuilder> payload_; 44 45 void PushHeader(const std::shared_ptr<::bluetooth::Packet>& pkt, 46 uint16_t length); 47 BrowsePacketBuilder(BrowsePdu pdu)48 BrowsePacketBuilder(BrowsePdu pdu) : pdu_(pdu){}; 49 }; 50 51 class BrowsePacket : public ::bluetooth::Packet { 52 public: 53 BrowsePacket(const BrowsePacket&) = delete; 54 BrowsePacket& operator=(const BrowsePacket&) = delete; 55 56 virtual ~BrowsePacket() = default; 57 58 static std::shared_ptr<BrowsePacket> Parse( 59 std::shared_ptr<::bluetooth::Packet> pkt); 60 61 /** 62 * Avrcp Browse Packet Layout 63 * uint8_t pdu_; 64 * uint16_t length_; 65 * uint8_t[] payload_; 66 */ kMinSize()67 static constexpr size_t kMinSize() { return 3; } 68 69 BrowsePdu GetPdu() const; 70 uint16_t GetLength() const; 71 72 virtual bool IsValid() const override; 73 virtual std::string ToString() const override; 74 75 protected: 76 using ::bluetooth::Packet::Packet; 77 78 private: 79 virtual std::pair<size_t, size_t> GetPayloadIndecies() const override; 80 }; 81 82 } // namespace avrcp 83 } // namespace bluetooth 84