tdesktop/Telegram/SourceFiles/data/data_histories.h

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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 "base/timer.h"
class History;
class HistoryItem;
namespace Main {
class Session;
} // namespace Main
namespace Data {
class Session;
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class Folder;
class Histories final {
public:
enum class RequestType : uchar {
None,
History,
ReadInbox,
Delete,
Send,
};
explicit Histories(not_null<Session*> owner);
[[nodiscard]] Session &owner() const;
[[nodiscard]] Main::Session &session() const;
[[nodiscard]] History *find(PeerId peerId);
[[nodiscard]] not_null<History*> findOrCreate(PeerId peerId);
void applyPeerDialogs(const MTPmessages_PeerDialogs &dialogs);
void unloadAll();
void clearAll();
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void readInbox(not_null<History*> history);
void readInboxTill(not_null<HistoryItem*> item);
void readInboxTill(not_null<History*> history, MsgId tillId);
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void readInboxOnNewMessage(not_null<HistoryItem*> item);
void readClientSideMessage(not_null<HistoryItem*> item);
void sendPendingReadInbox(not_null<History*> history);
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void requestDialogEntry(not_null<Data::Folder*> folder);
void requestDialogEntry(
not_null<History*> history,
Fn<void()> callback = nullptr);
void dialogEntryApplied(not_null<History*> history);
void changeDialogUnreadMark(not_null<History*> history, bool unread);
//void changeDialogUnreadMark(not_null<Data::Feed*> feed, bool unread); // #feed
void requestFakeChatListMessage(not_null<History*> history);
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void deleteMessages(
not_null<History*> history,
const QVector<MTPint> &ids,
bool revoke);
void deleteAllMessages(
not_null<History*> history,
MsgId deleteTillId,
bool justClear,
bool revoke);
void deleteMessages(const MessageIdsList &ids, bool revoke);
int sendRequest(
not_null<History*> history,
RequestType type,
Fn<mtpRequestId(Fn<void()> finish)> generator);
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void cancelRequest(int id);
private:
struct PostponedHistoryRequest {
Fn<mtpRequestId(Fn<void()> finish)> generator;
};
struct SentRequest {
Fn<mtpRequestId(Fn<void()> finish)> generator;
mtpRequestId id = 0;
RequestType type = RequestType::None;
};
struct State {
base::flat_map<int, PostponedHistoryRequest> postponed;
base::flat_map<int, SentRequest> sent;
MsgId willReadTill = 0;
MsgId sentReadTill = 0;
crl::time willReadWhen = 0;
bool sentReadDone = false;
bool postponedRequestEntry = false;
};
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void readInboxTill(not_null<History*> history, MsgId tillId, bool force);
void sendReadRequests();
void sendReadRequest(not_null<History*> history, State &state);
[[nodiscard]] State *lookup(not_null<History*> history);
void checkEmptyState(not_null<History*> history);
void checkPostponed(not_null<History*> history, int id);
void finishSentRequest(
not_null<History*> history,
not_null<State*> state,
int id);
[[nodiscard]] bool postponeHistoryRequest(const State &state) const;
[[nodiscard]] bool postponeEntryRequest(const State &state) const;
void postponeRequestDialogEntries();
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void sendDialogRequests();
const not_null<Session*> _owner;
std::unordered_map<PeerId, std::unique_ptr<History>> _map;
base::flat_map<not_null<History*>, State> _states;
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base::flat_map<int, not_null<History*>> _historyByRequest;
int _requestAutoincrement = 0;
base::Timer _readRequestsTimer;
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base::flat_set<not_null<Data::Folder*>> _dialogFolderRequests;
base::flat_map<
not_null<History*>,
std::vector<Fn<void()>>> _dialogRequests;
base::flat_map<
not_null<History*>,
std::vector<Fn<void()>>> _dialogRequestsPending;
base::flat_set<not_null<History*>> _fakeChatListRequests;
};
} // namespace Data