AyuGramDesktop/Telegram/SourceFiles/data/data_saved_messages.h
2025-06-04 10:00:21 +04:00

105 lines
2.7 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#pragma once
#include "dialogs/dialogs_main_list.h"
namespace Main {
class Session;
} // namespace Main
namespace Data {
class Session;
class SavedSublist;
class SavedMessages final {
public:
explicit SavedMessages(
not_null<Session*> owner,
ChannelData *parentChat = nullptr);
~SavedMessages();
[[nodiscard]] bool supported() const;
void markUnsupported();
[[nodiscard]] ChannelData *parentChat() const;
[[nodiscard]] not_null<History*> owningHistory() const;
[[nodiscard]] Session &owner() const;
[[nodiscard]] Main::Session &session() const;
[[nodiscard]] not_null<Dialogs::MainList*> chatsList();
[[nodiscard]] not_null<SavedSublist*> sublist(not_null<PeerData*> peer);
[[nodiscard]] SavedSublist *sublistLoaded(not_null<PeerData*> peer);
[[nodiscard]] rpl::producer<> chatsListChanges() const;
[[nodiscard]] rpl::producer<> chatsListLoadedEvents() const;
[[nodiscard]] rpl::producer<> destroyed() const;
[[nodiscard]] auto sublistDestroyed() const
-> rpl::producer<not_null<SavedSublist*>>;
void preloadSublists();
void loadMore();
void apply(const MTPDupdatePinnedSavedDialogs &update);
void apply(const MTPDupdateSavedDialogPinned &update);
void listMessageChanged(HistoryItem *from, HistoryItem *to);
[[nodiscard]] int recentSublistsListVersion() const;
void recentSublistsInvalidate(not_null<SavedSublist*> sublist);
[[nodiscard]] auto recentSublists() const
-> const std::vector<not_null<SavedSublist*>> &;
[[nodiscard]] rpl::lifetime &lifetime();
private:
void loadPinned();
void apply(const MTPmessages_SavedDialogs &result, bool pinned);
void reorderLastSublists();
void sendLoadMore();
void sendLoadMoreRequests();
const not_null<Session*> _owner;
ChannelData *_parentChat = nullptr;
History *_owningHistory = nullptr;
rpl::event_stream<not_null<SavedSublist*>> _sublistDestroyed;
Dialogs::MainList _chatsList;
base::flat_map<
not_null<PeerData*>,
std::unique_ptr<SavedSublist>> _sublists;
mtpRequestId _loadMoreRequestId = 0;
mtpRequestId _pinnedRequestId = 0;
TimeId _offsetDate = 0;
MsgId _offsetId = 0;
PeerData *_offsetPeer = nullptr;
SingleQueuedInvokation _loadMore;
bool _loadMoreScheduled = false;
std::vector<not_null<SavedSublist*>> _lastSublists;
int _lastSublistsVersion = 0;
rpl::event_stream<> _chatsListChanges;
rpl::event_stream<> _chatsListLoadedEvents;
bool _pinnedLoaded = false;
bool _unsupported = false;
rpl::lifetime _lifetime;
};
} // namespace Data