67 lines
1.7 KiB
C++
67 lines
1.7 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 "storage/storage_sparse_ids_list.h"
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class History;
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class SparseIdsSlice;
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class SparseIdsMergedSlice;
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namespace Data {
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struct MessagesSlice;
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struct MessagePosition;
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class HistoryMessages final {
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public:
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void addNew(MsgId messageId);
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void addExisting(MsgId messageId, MsgRange noSkipRange);
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void addSlice(
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std::vector<MsgId> &&messageIds,
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MsgRange noSkipRange,
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std::optional<int> count);
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void removeOne(MsgId messageId);
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void removeAll();
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void invalidateBottom();
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[[nodiscard]] Storage::SparseIdsListResult snapshot(
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const Storage::SparseIdsListQuery &query) const;
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[[nodiscard]] auto sliceUpdated() const
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-> rpl::producer<Storage::SparseIdsSliceUpdate>;
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[[nodiscard]] rpl::producer<MsgId> oneRemoved() const;
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[[nodiscard]] rpl::producer<> allRemoved() const;
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[[nodiscard]] rpl::producer<> bottomInvalidated() const;
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private:
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Storage::SparseIdsList _chat;
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rpl::event_stream<MsgId> _oneRemoved;
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rpl::event_stream<> _allRemoved;
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rpl::event_stream<> _bottomInvalidated;
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};
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[[nodiscard]] rpl::producer<SparseIdsSlice> HistoryViewer(
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not_null<History*> history,
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MsgId aroundId,
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int limitBefore,
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int limitAfter);
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[[nodiscard]] rpl::producer<SparseIdsMergedSlice> HistoryMergedViewer(
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not_null<History*> history,
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/*Universal*/MsgId universalAroundId,
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int limitBefore,
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int limitAfter);
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[[nodiscard]] rpl::producer<MessagesSlice> HistoryMessagesViewer(
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not_null<History*> history,
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MessagePosition aroundId,
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int limitBefore,
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int limitAfter);
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} // namespace Data
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