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Copy pathdata_forum.h
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153 lines (120 loc) · 4.02 KB
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/*
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;
struct ForumOffsets {
TimeId date = 0;
MsgId id = 0;
MsgId topicId = 0;
friend inline constexpr auto operator<=>(
ForumOffsets,
ForumOffsets) = default;
};
class Forum final {
public:
explicit Forum(not_null<History*> history);
~Forum();
[[nodiscard]] Session &owner() const;
[[nodiscard]] Main::Session &session() const;
[[nodiscard]] not_null<PeerData*> peer() const;
[[nodiscard]] not_null<History*> history() const;
[[nodiscard]] UserData *bot() const;
[[nodiscard]] 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 requestTopic(MsgId rootId, Fn<void()> done = nullptr);
ForumTopic *applyTopicAdded(
MsgId rootId,
const QString &title,
int32 colorId,
DocumentId iconId,
PeerId creatorId,
TimeId date,
bool my);
void applyTopicDeleted(MsgId rootId);
[[nodiscard]] ForumTopic *topicFor(MsgId rootId);
[[nodiscard]] ForumTopic *enforceTopicFor(MsgId rootId);
[[nodiscard]] bool topicDeleted(MsgId rootId) const;
void applyReceivedTopics(
const MTPmessages_ForumTopics &topics,
ForumOffsets &updateOffsets);
void applyReceivedTopics(
const MTPmessages_ForumTopics &topics,
Fn<void(not_null<ForumTopic*>)> callback = nullptr);
void applyReceivedTopics(
const MTPVector<MTPForumTopic> &topics,
Fn<void(not_null<ForumTopic*>)> callback = nullptr);
[[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);
[[nodiscard]] ForumTopic *reserveNewBotTopic();
void clearAllUnreadMentions();
void clearAllUnreadReactions();
void clearAllUnreadPollVotes();
void enumerateTopics(Fn<void(not_null<ForumTopic*>)> action) const;
void listMessageChanged(HistoryItem *from, HistoryItem *to);
[[nodiscard]] int recentTopicsListVersion() const;
void recentTopicsInvalidate(not_null<ForumTopic*> topic);
[[nodiscard]] auto recentTopics() const
-> const std::vector<not_null<ForumTopic*>> &;
void saveActiveSubsectionThread(not_null<Thread*> thread);
[[nodiscard]] Thread *activeSubsectionThread() const;
void markUnreadCountsUnknown(MsgId readTillId);
void updateUnreadCounts(
MsgId readTillId,
const base::flat_map<not_null<ForumTopic*>, int> &counts);
[[nodiscard]] rpl::lifetime &lifetime() {
return _lifetime;
}
private:
struct TopicRequest {
mtpRequestId id = 0;
std::vector<Fn<void()>> callbacks;
};
void reorderLastTopics();
void requestSomeStale();
void finishTopicRequest(MsgId rootId);
const not_null<History*> _history;
base::flat_map<MsgId, std::unique_ptr<ForumTopic>> _topics;
base::flat_set<MsgId> _topicsDeleted;
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;
ForumOffsets _offset;
base::flat_set<MsgId> _creatingRootIds;
std::vector<not_null<ForumTopic*>> _lastTopics;
int _lastTopicsVersion = 0;
ForumTopic *_activeSubsectionTopic = nullptr;
rpl::event_stream<> _chatsListChanges;
rpl::event_stream<> _chatsListLoadedEvents;
rpl::lifetime _lifetime;
};
} // namespace Data