| /* |
| * 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 "avrcp_browse_packet.h" |
| |
| namespace bluetooth { |
| namespace avrcp { |
| |
| class GetFolderItemsResponseBuilder : public BrowsePacketBuilder { |
| public: |
| virtual ~GetFolderItemsResponseBuilder() = default; |
| static std::unique_ptr<GetFolderItemsResponseBuilder> MakePlayerListBuilder( |
| Status status, uint16_t uid_counter, size_t mtu); |
| static std::unique_ptr<GetFolderItemsResponseBuilder> MakeVFSBuilder( |
| Status status, uint16_t uid_counter, size_t mtu); |
| static std::unique_ptr<GetFolderItemsResponseBuilder> MakeNowPlayingBuilder( |
| Status status, uint16_t uid_counter, size_t mtu); |
| |
| virtual size_t size() const override; |
| virtual bool Serialize( |
| const std::shared_ptr<::bluetooth::Packet>& pkt) override; |
| |
| // Returns false if adding an item would exceed the MTU |
| bool AddMediaPlayer(MediaPlayerItem item); |
| bool AddSong(MediaElementItem item); |
| bool AddFolder(FolderItem item); |
| |
| protected: |
| Scope scope_; |
| std::vector<MediaListItem> items_; |
| Status status_; |
| uint16_t uid_counter_; |
| size_t mtu_; |
| |
| GetFolderItemsResponseBuilder(Scope scope, Status status, |
| uint16_t uid_counter, size_t mtu) |
| : BrowsePacketBuilder(BrowsePdu::GET_FOLDER_ITEMS), |
| scope_(scope), |
| status_(status), |
| uid_counter_(uid_counter), |
| mtu_(mtu){}; |
| |
| private: |
| void PushMediaListItem(const std::shared_ptr<::bluetooth::Packet>& pkt, |
| const MediaListItem& item); |
| void PushMediaPlayerItem(const std::shared_ptr<::bluetooth::Packet>& pkt, |
| const MediaPlayerItem& item); |
| void PushMediaElementItem(const std::shared_ptr<::bluetooth::Packet>& pkt, |
| const MediaElementItem& item); |
| void PushFolderItem(const std::shared_ptr<::bluetooth::Packet>& pkt, |
| const FolderItem& item); |
| }; |
| |
| class GetFolderItemsRequest : public BrowsePacket { |
| public: |
| virtual ~GetFolderItemsRequest() = default; |
| |
| /** |
| * Avrcp Change Path Packet Layout |
| * BrowsePacket: |
| * uint8_t pdu_; |
| * uint16_t length_; |
| * GetFolderItemsRequest: |
| * uint8_t scope_; |
| * uint32_t start_item_; |
| * uint32_t end_item_; |
| * uint8_t attr_count_; |
| * uint32_t[] attr_requested_; |
| */ |
| static constexpr size_t kMinSize() { return BrowsePacket::kMinSize() + 10; } |
| |
| Scope GetScope() const; |
| uint32_t GetStartItem() const; |
| uint32_t GetEndItem() const; |
| uint8_t GetNumAttributes() const; |
| std::vector<Attribute> GetAttributesRequested() const; |
| |
| virtual bool IsValid() const override; |
| virtual std::string ToString() const override; |
| |
| protected: |
| using BrowsePacket::BrowsePacket; |
| }; |
| |
| class GetFolderItemsRequestBuilder : public BrowsePacketBuilder { |
| public: |
| virtual ~GetFolderItemsRequestBuilder() = default; |
| |
| static std::unique_ptr<GetFolderItemsRequestBuilder> MakeBuilder( |
| Scope scope, uint32_t start_item, uint32_t end_item, |
| const std::set<Attribute>& requested_attrs); |
| |
| virtual size_t size() const override; |
| virtual bool Serialize( |
| const std::shared_ptr<::bluetooth::Packet>& pkt) override; |
| |
| protected: |
| GetFolderItemsRequestBuilder(Scope scope, uint32_t start_item, |
| uint32_t end_item, |
| const std::set<Attribute>& requested_attrs) |
| : BrowsePacketBuilder(BrowsePdu::GET_FOLDER_ITEMS), |
| scope_(scope), |
| start_item_(start_item), |
| end_item_(end_item), |
| requested_attrs_(requested_attrs){}; |
| |
| Scope scope_; |
| uint32_t start_item_; |
| uint32_t end_item_; |
| std::set<Attribute> requested_attrs_; |
| }; |
| |
| } // namespace avrcp |
| } // namespace bluetooth |