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/*
* Copyright 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <set>
#include "vendor_packet.h"
namespace bluetooth {
namespace avrcp {
class GetElementAttributesRequest : public VendorPacket {
public:
virtual ~GetElementAttributesRequest() = default;
/**
* Register Notificaiton Request Packet Layout
* AvrcpPacket:
* CType c_type_;
* uint8_t subunit_type_ : 5;
* uint8_t subunit_id_ : 3;
* Opcode opcode_;
* VendorPacket:
* uint8_t company_id[3];
* uint8_t command_pdu;
* uint8_t packet_type;
* uint16_t param_length;
* RegisterNotificationRequestPacket:
* uint64_t identifier;
* uint8_t number_of_attributes;
* uint32_t attributes_requested[];
*/
static constexpr size_t kMinSize() { return VendorPacket::kMinSize() + 9; }
// Getter Functions
uint64_t GetIdentifier() const;
uint8_t GetNumAttributes() const;
std::vector<Attribute> GetAttributesRequested() const;
// Overloaded Functions
virtual bool IsValid() const override;
virtual std::string ToString() const override;
protected:
using VendorPacket::VendorPacket;
};
class GetElementAttributesResponseBuilder : public VendorPacketBuilder {
public:
virtual ~GetElementAttributesResponseBuilder() = default;
static std::unique_ptr<GetElementAttributesResponseBuilder> MakeBuilder(
size_t mtu);
bool AddAttributeEntry(AttributeEntry entry);
bool AddAttributeEntry(Attribute attribute, std::string value);
virtual size_t size() const override;
virtual bool Serialize(
const std::shared_ptr<::bluetooth::Packet>& pkt) override;
private:
std::set<AttributeEntry> entries_;
size_t mtu_;
GetElementAttributesResponseBuilder(size_t mtu)
: VendorPacketBuilder(CType::STABLE, CommandPdu::GET_ELEMENT_ATTRIBUTES,
PacketType::SINGLE),
mtu_(mtu){};
};
} // namespace avrcp
} // namespace bluetooth