matrix-room-timeline.hpp
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matrix-room-timeline.hpp
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	/*
	* This file is part of kazv.
	* SPDX-FileCopyrightText: 2020 Tusooa Zhu <tusooa@kazv.moe>
	* SPDX-License-Identifier: AGPL-3.0-or-later
	*/

	#pragma once
	#include <libkazv-config.hpp>

	#include <immer/config.hpp> // https://github.com/arximboldi/immer/issues/168

	#include <QObject>
	#include <QQmlEngine>
	#include <QAbstractListModel>

	#include <lager/extra/qt.hpp>

	#include <client/room/room.hpp>

	class MatrixEvent;

	class MatrixRoomTimeline : public QAbstractListModel
	{
	Q_OBJECT
	QML_ELEMENT
	QML_UNCREATABLE("")

	Kazv::Room m_room;

	lager::reader<Kazv::EventList> m_timeline;
	int m_internalCount;
	lager::reader<immer::flex_vector<Kazv::LocalEchoDesc>> m_localEchoes;
	lager::reader<immer::map<std::string, std::string>> m_timelineGaps;

	public:
	explicit MatrixRoomTimeline(Kazv::Room room, QObject *parent = 0);
	~MatrixRoomTimeline() override;

	LAGER_QT_READER(int, count);
	LAGER_QT_READER(QStringList, eventIds);
	LAGER_QT_READER(QSet<QString>, gaps);

	int rowCount(const QModelIndex &index) const override;
	QVariant data(const QModelIndex &index, int role) const override;

	Q_INVOKABLE MatrixEvent *at(int index) const;

	private Q_SLOTS:
	void updateInternalCount();
	};