tdesktop/Telegram/SourceFiles/data/data_forum.h

116 lines
2.9 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"
class History;
class ChannelData;
namespace Main {
class Session;
} // namespace Main
namespace Window {
class SessionController;
} // namespace Window;
namespace Data {
class Session;
class Forum final {
public:
explicit Forum(not_null<History*> history);
~Forum();
[[nodiscard]] Session &owner() const;
[[nodiscard]] Main::Session &session() const;
[[nodiscard]] not_null<History*> history() const;
[[nodiscard]] not_null<ChannelData*> channel() const;
[[nodiscard]] not_null<Dialogs::MainList*> topicsList();
[[nodiscard]] rpl::producer<> destroyed() const;
[[nodiscard]] auto topicDestroyed() const
-> rpl::producer<not_null<ForumTopic*>>;
void preloadTopics();
void reloadTopics();
void requestTopics();
[[nodiscard]] rpl::producer<> chatsListChanges() const;
[[nodiscard]] rpl::producer<> chatsListLoadedEvents() const;
void unpinTopic();
void requestTopic(MsgId rootId, Fn<void()> done = nullptr);
ForumTopic *applyTopicAdded(
MsgId rootId,
const QString &title,
int32 colorId,
DocumentId iconId);
void applyTopicCreated(MsgId rootId, MsgId realId);
void applyTopicDeleted(MsgId rootId);
[[nodiscard]] ForumTopic *topicFor(MsgId rootId);
[[nodiscard]] ForumTopic *enforceTopicFor(MsgId rootId);
void applyReceivedTopics(const MTPmessages_ForumTopics &topics);
[[nodiscard]] MsgId reserveCreatingId(
const QString &title,
int32 colorId,
DocumentId iconId);
void discardCreatingId(MsgId rootId);
[[nodiscard]] bool creating(MsgId rootId) const;
void created(MsgId rootId, MsgId realId);
void clearAllUnreadMentions();
void clearAllUnreadReactions();
void enumerateTopics(Fn<void(not_null<ForumTopic*>)> action) const;
[[nodiscard]] rpl::lifetime &lifetime() {
return _lifetime;
}
private:
struct TopicRequest {
mtpRequestId id = 0;
std::vector<Fn<void()>> callbacks;
};
void requestSomeStale();
void finishTopicRequest(MsgId rootId);
void applyReceivedTopics(
const MTPmessages_ForumTopics &topics,
bool updateOffset);
const not_null<History*> _history;
base::flat_map<MsgId, std::unique_ptr<ForumTopic>> _topics;
rpl::event_stream<not_null<ForumTopic*>> _topicDestroyed;
Dialogs::MainList _topicsList;
base::flat_map<MsgId, TopicRequest> _topicRequests;
base::flat_set<MsgId> _staleRootIds;
mtpRequestId _staleRequestId = 0;
mtpRequestId _requestId = 0;
TimeId _offsetDate = 0;
MsgId _offsetId = 0;
MsgId _offsetTopicId = 0;
bool _allLoaded = false;
base::flat_set<MsgId> _creatingRootIds;
rpl::event_stream<> _chatsListChanges;
rpl::event_stream<> _chatsListLoadedEvents;
rpl::lifetime _lifetime;
};
} // namespace Data