matrix-room-list.hpp
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matrix-room-list.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/sensor.hpp>
	#include <lager/extra/qt.hpp>

	#include <client/client.hpp>

	class MatrixRoom;

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

	Kazv::Client m_client;
	QString m_tagId;
	lager::sensor<std::string> m_tagIdCursor;
	int m_internalCount;
	lager::reader<immer::flex_vector<std::string>> m_roomIds;

	public:
	explicit MatrixRoomList(Kazv::Client client, QString tagId = QString(), QObject *parent = 0);
	~MatrixRoomList() override;

	Q_INVOKABLE void setTagId(QString tagId);

	LAGER_QT_READER(int, count);
	LAGER_QT_READER(QStringList, roomIds);

	Q_INVOKABLE MatrixRoom *at(int index) const;
	Q_INVOKABLE QString roomIdAt(int index) const;
	Q_INVOKABLE MatrixRoom *room(QString roomId) const;

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

	private Q_SLOTS:
	void updateInternalCount();
	};