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 "avrcp_browse_packet.h" 20 21 namespace bluetooth { 22 namespace avrcp { 23 24 class ChangePathResponseBuilder : public BrowsePacketBuilder { 25 public: 26 virtual ~ChangePathResponseBuilder() = default; 27 28 static std::unique_ptr<ChangePathResponseBuilder> MakeBuilder( 29 Status status, uint32_t num_items_in_folder); 30 31 virtual size_t size() const override; 32 virtual bool Serialize( 33 const std::shared_ptr<::bluetooth::Packet>& pkt) override; 34 35 private: 36 Status status_; 37 uint32_t num_items_in_folder_; 38 ChangePathResponseBuilder(Status status,uint32_t num_items_in_folder)39 ChangePathResponseBuilder(Status status, uint32_t num_items_in_folder) 40 : BrowsePacketBuilder(BrowsePdu::CHANGE_PATH), 41 status_(status), 42 num_items_in_folder_(num_items_in_folder) {} 43 }; 44 45 class ChangePathRequest : public BrowsePacket { 46 public: 47 virtual ~ChangePathRequest() = default; 48 49 /** 50 * Avrcp Change Path Packet Layout 51 * BrowsePacket: 52 * uint8_t pdu_; 53 * uint16_t length_; 54 * ChangePathRequest: 55 * uint16_t uid_counter_; 56 * uint8_t direction_; 57 * uint64_t folder_uid_; 58 */ kMinSize()59 static constexpr size_t kMinSize() { return BrowsePacket::kMinSize() + 11; } 60 61 uint16_t GetUidCounter() const; 62 Direction GetDirection() const; 63 uint64_t GetUid() const; 64 65 virtual bool IsValid() const override; 66 virtual std::string ToString() const override; 67 68 protected: 69 using BrowsePacket::BrowsePacket; 70 }; 71 72 class ChangePathRequestBuilder : public BrowsePacketBuilder { 73 public: 74 virtual ~ChangePathRequestBuilder() = default; 75 76 static std::unique_ptr<ChangePathRequestBuilder> MakeBuilder( 77 uint16_t uid_counter, Direction direction, uint64_t folder_uid); 78 79 virtual size_t size() const override; 80 virtual bool Serialize( 81 const std::shared_ptr<::bluetooth::Packet>& pkt) override; 82 83 private: ChangePathRequestBuilder(uint16_t uid_counter,Direction direction,uint64_t folder_uid)84 ChangePathRequestBuilder(uint16_t uid_counter, Direction direction, 85 uint64_t folder_uid) 86 : BrowsePacketBuilder(BrowsePdu::CHANGE_PATH), 87 uid_counter_(uid_counter), 88 direction_(direction), 89 folder_uid_(folder_uid){}; 90 91 uint16_t uid_counter_; 92 Direction direction_; 93 uint64_t folder_uid_; 94 }; 95 96 } // namespace avrcp 97 } // namespace bluetooth