/*
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* Copyright 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "avrcp_browse_packet.h"
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namespace bluetooth {
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namespace avrcp {
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class GetFolderItemsResponseBuilder : public BrowsePacketBuilder {
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public:
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virtual ~GetFolderItemsResponseBuilder() = default;
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static std::unique_ptr<GetFolderItemsResponseBuilder> MakePlayerListBuilder(
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Status status, uint16_t uid_counter, size_t mtu);
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static std::unique_ptr<GetFolderItemsResponseBuilder> MakeVFSBuilder(
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Status status, uint16_t uid_counter, size_t mtu);
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static std::unique_ptr<GetFolderItemsResponseBuilder> MakeNowPlayingBuilder(
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Status status, uint16_t uid_counter, size_t mtu);
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virtual size_t size() const override;
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virtual bool Serialize(
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const std::shared_ptr<::bluetooth::Packet>& pkt) override;
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// Returns false if adding an item would exceed the MTU
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bool AddMediaPlayer(MediaPlayerItem item);
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bool AddSong(MediaElementItem item);
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bool AddFolder(FolderItem item);
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protected:
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Scope scope_;
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std::vector<MediaListItem> items_;
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Status status_;
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uint16_t uid_counter_;
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size_t mtu_;
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GetFolderItemsResponseBuilder(Scope scope, Status status,
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uint16_t uid_counter, size_t mtu)
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: BrowsePacketBuilder(BrowsePdu::GET_FOLDER_ITEMS),
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scope_(scope),
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status_(status),
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uid_counter_(uid_counter),
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mtu_(mtu){};
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private:
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void PushMediaListItem(const std::shared_ptr<::bluetooth::Packet>& pkt,
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const MediaListItem& item);
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void PushMediaPlayerItem(const std::shared_ptr<::bluetooth::Packet>& pkt,
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const MediaPlayerItem& item);
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void PushMediaElementItem(const std::shared_ptr<::bluetooth::Packet>& pkt,
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const MediaElementItem& item);
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void PushFolderItem(const std::shared_ptr<::bluetooth::Packet>& pkt,
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const FolderItem& item);
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};
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class GetFolderItemsRequest : public BrowsePacket {
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public:
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virtual ~GetFolderItemsRequest() = default;
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/**
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* Avrcp Change Path Packet Layout
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* BrowsePacket:
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* uint8_t pdu_;
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* uint16_t length_;
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* GetFolderItemsRequest:
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* uint8_t scope_;
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* uint32_t start_item_;
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* uint32_t end_item_;
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* uint8_t attr_count_;
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* uint32_t[] attr_requested_;
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*/
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static constexpr size_t kMinSize() { return BrowsePacket::kMinSize() + 10; }
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Scope GetScope() const;
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uint32_t GetStartItem() const;
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uint32_t GetEndItem() const;
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uint8_t GetNumAttributes() const;
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std::vector<Attribute> GetAttributesRequested() const;
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virtual bool IsValid() const override;
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virtual std::string ToString() const override;
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protected:
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using BrowsePacket::BrowsePacket;
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};
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class GetFolderItemsRequestBuilder : public BrowsePacketBuilder {
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public:
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virtual ~GetFolderItemsRequestBuilder() = default;
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static std::unique_ptr<GetFolderItemsRequestBuilder> MakeBuilder(
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Scope scope, uint32_t start_item, uint32_t end_item,
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const std::set<Attribute>& requested_attrs);
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virtual size_t size() const override;
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virtual bool Serialize(
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const std::shared_ptr<::bluetooth::Packet>& pkt) override;
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protected:
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GetFolderItemsRequestBuilder(Scope scope, uint32_t start_item,
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uint32_t end_item,
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const std::set<Attribute>& requested_attrs)
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: BrowsePacketBuilder(BrowsePdu::GET_FOLDER_ITEMS),
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scope_(scope),
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start_item_(start_item),
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end_item_(end_item),
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requested_attrs_(requested_attrs){};
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Scope scope_;
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uint32_t start_item_;
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uint32_t end_item_;
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std::set<Attribute> requested_attrs_;
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};
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} // namespace avrcp
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} // namespace bluetooth
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