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