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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2026
//
// 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/CustomEmojiId.h"
#include "td/telegram/DialogParticipant.h"
#include "td/telegram/files/FileId.h"
#include "td/telegram/logevent/LogEvent.h"
#include "td/telegram/Photo.h"
#include "td/telegram/RichMessageMedia.h"
#include "td/telegram/td_api.h"
#include "td/telegram/telegram_api.h"
#include "td/telegram/UserId.h"
#include "td/utils/common.h"
#include "td/utils/FlatHashMap.h"
#include "td/utils/Slice.h"
#include <functional>
namespace td {
class Dependencies;
struct GetWebPageBlockObjectContext;
class RichText;
class Td;
struct GetInputPageBlockContext {
const Td *td_ = nullptr;
vector<telegram_api::object_ptr<telegram_api::InputPhoto>> photos_;
vector<telegram_api::object_ptr<telegram_api::InputDocument>> documents_;
const vector<RichMessageMedia> *media_ = nullptr;
size_t media_pos_ = 0;
};
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,
Heading,
Math,
Thinking,
BlockQuoteBlocks,
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);
friend bool operator==(const WebPageBlock &lhs, const WebPageBlock &rhs);
using Context = GetWebPageBlockObjectContext;
using InputContext = GetInputPageBlockContext;
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 void append_rich_message_media(vector<RichMessageMedia> &media) const {
}
virtual void add_dependencies(Dependencies &dependencies) const = 0;
virtual void for_each_rich_text(bool recurse_text,
const std::function<void(const RichText *text)> &callback) const = 0;
void for_each_text(const std::function<void(Slice text)> &callback) const;
void append_user_ids(vector<UserId> &user_ids) const;
bool has_bot_commands() const;
vector<string> get_hashtags() const;
vector<CustomEmojiId> get_custom_emoji_ids() const;
virtual bool can_send(const RestrictedRights &rights) const {
return true;
}
virtual int32 get_index_mask() const = 0;
virtual unique_ptr<WebPageBlock> clone() const = 0;
virtual telegram_api::object_ptr<telegram_api::PageBlock> get_input_page_block(InputContext &context) const = 0;
virtual td_api::object_ptr<td_api::PageBlock> get_page_block_object(Context *context) const = 0;
static bool are_allowed_album_block_types(const vector<unique_ptr<WebPageBlock>> &page_blocks);
};
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);
bool operator==(const WebPageBlock &lhs, const WebPageBlock &rhs);
inline bool operator!=(const WebPageBlock &lhs, const WebPageBlock &rhs) {
return !(lhs == rhs);
}
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, unique_ptr<Photo>> &photos,
const FlatHashMap<int64, FileId> &videos, const FlatHashMap<int64, FileId> &voice_notes);
Result<vector<unique_ptr<WebPageBlock>>> get_web_page_blocks(
Td *td, DialogId dialog_id, vector<td_api::object_ptr<td_api::InputPageBlock>> input_page_blocks);
int32 get_web_page_blocks_index_mask(const vector<unique_ptr<WebPageBlock>> &page_blocks);
vector<unique_ptr<WebPageBlock>> clone_web_page_blocks(const vector<unique_ptr<WebPageBlock>> &page_blocks);
vector<telegram_api::object_ptr<telegram_api::PageBlock>> get_input_page_blocks(
const vector<unique_ptr<WebPageBlock>> &page_blocks, GetInputPageBlockContext &context);
vector<RichMessageMedia> get_page_blocks_rich_message_media(const vector<unique_ptr<WebPageBlock>> &page_blocks);
vector<td_api::object_ptr<td_api::PageBlock>> get_page_blocks_object(
const vector<unique_ptr<WebPageBlock>> &page_blocks, Td *td, Slice base_url, Slice real_url,
bool skip_bot_commands);
} // namespace td
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