75 lines
1.9 KiB
C++
75 lines
1.9 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "base/weak_ptr.h"
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class History;
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class HistoryService;
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namespace Data {
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class Histories;
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struct MessagePosition;
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struct MessagesSlice;
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struct MessageUpdate;
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class RepliesList final : public base::has_weak_ptr {
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public:
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RepliesList(not_null<History*> history, MsgId rootId);
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~RepliesList();
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[[nodiscard]] rpl::producer<MessagesSlice> source(
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MessagePosition aroundId,
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int limitBefore,
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int limitAfter);
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[[nodiscard]] rpl::producer<int> fullCount() const;
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private:
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struct Viewer;
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HistoryItem *lookupRoot();
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[[nodiscard]] Histories &histories();
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[[nodiscard]] rpl::producer<MessagesSlice> sourceFromServer(
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MessagePosition aroundId,
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int limitBefore,
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int limitAfter);
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void appendLocalMessages(MessagesSlice &slice);
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[[nodiscard]] bool buildFromData(not_null<Viewer*> viewer);
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[[nodiscard]] bool applyUpdate(
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not_null<Viewer*> viewer,
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const MessageUpdate &update);
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void injectRootMessageAndReverse(not_null<Viewer*> viewer);
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void injectRootMessage(not_null<Viewer*> viewer);
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void injectRootDivider(
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not_null<HistoryItem*> root,
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not_null<MessagesSlice*> slice);
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bool processMessagesIsEmpty(const MTPmessages_Messages &result);
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void loadAround(MsgId id);
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void loadBefore();
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void loadAfter();
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const not_null<History*> _history;
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const MsgId _rootId = 0;
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std::vector<MsgId> _list;
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std::optional<int> _skippedBefore;
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std::optional<int> _skippedAfter;
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rpl::variable<std::optional<int>> _fullCount;
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rpl::event_stream<> _partLoaded;
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std::optional<MsgId> _loadingAround;
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HistoryService *_divider = nullptr;
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bool _dividerWithComments = false;
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int _beforeId = 0;
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int _afterId = 0;
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};
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} // namespace Data
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