tdlight/td/telegram/WebPageBlock.h
2022-02-08 00:04:34 +03:00

108 lines
2.9 KiB
C++

//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
#include "td/telegram/files/FileId.h"
#include "td/telegram/logevent/LogEvent.h"
#include "td/telegram/Photo.h"
#include "td/telegram/td_api.h"
#include "td/telegram/telegram_api.h"
#include "td/utils/common.h"
#include "td/utils/FlatHashMap.h"
#include "td/utils/Slice.h"
namespace td {
struct GetWebPageBlockObjectContext;
class Td;
class WebPageBlock {
protected:
enum class Type : int32 {
Title,
Subtitle,
AuthorDate,
Header,
Subheader,
Paragraph,
Preformatted,
Footer,
Divider,
Anchor,
List,
BlockQuote,
PullQuote,
Animation,
Photo,
Video,
Cover,
Embedded,
EmbeddedPost,
Collage,
Slideshow,
ChatLink,
Audio,
Kicker,
Table,
Details,
RelatedArticles,
Map,
VoiceNote,
Size
};
virtual Type get_type() const = 0;
template <class F>
static void call_impl(Type type, const WebPageBlock *ptr, F &&f);
template <class StorerT>
void store(StorerT &storer) const;
template <class ParserT>
static unique_ptr<WebPageBlock> parse(ParserT &parser);
template <class StorerT>
friend void store_web_page_block(const unique_ptr<WebPageBlock> &block, StorerT &storer);
template <class ParserT>
friend void parse_web_page_block(unique_ptr<WebPageBlock> &block, ParserT &parser);
using Context = GetWebPageBlockObjectContext;
public:
WebPageBlock() = default;
WebPageBlock(const WebPageBlock &) = delete;
WebPageBlock &operator=(const WebPageBlock &) = delete;
WebPageBlock(WebPageBlock &&) = delete;
WebPageBlock &operator=(WebPageBlock &&) = delete;
virtual ~WebPageBlock() = default;
virtual void append_file_ids(const Td *td, vector<FileId> &file_ids) const = 0;
virtual td_api::object_ptr<td_api::PageBlock> get_page_block_object(Context *context) const = 0;
};
void store(const unique_ptr<WebPageBlock> &block, LogEventStorerCalcLength &storer);
void store(const unique_ptr<WebPageBlock> &block, LogEventStorerUnsafe &storer);
void parse(unique_ptr<WebPageBlock> &block, LogEventParser &parser);
vector<unique_ptr<WebPageBlock>> get_web_page_blocks(
Td *td, vector<tl_object_ptr<telegram_api::PageBlock>> page_block_ptrs,
const FlatHashMap<int64, FileId> &animations, const FlatHashMap<int64, FileId> &audios,
const FlatHashMap<int64, FileId> &documents, const FlatHashMap<int64, Photo> &photos,
const FlatHashMap<int64, FileId> &videos, const FlatHashMap<int64, FileId> &voice_notes);
vector<td_api::object_ptr<td_api::PageBlock>> get_page_block_objects(
const vector<unique_ptr<WebPageBlock>> &page_blocks, Td *td, Slice base_url);
} // namespace td