mirror of
https://github.com/HenkKalkwater/harbour-sailfin.git
synced 2024-11-15 22:15:18 +00:00
Chris Josten
b8933ddca4
Previously, this pattern was copy-pasted in a few places. This is undesirable, so the code has been moved into templates. Fixes #30
79 lines
2.8 KiB
C++
79 lines
2.8 KiB
C++
/*
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* Sailfin: a Jellyfin client written using Qt
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* Copyright (C) 2022 Chris Josten and the Sailfin Contributors.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef JELLYFIN_VIEWMODEL_UTILS_H
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#define JELLYFIN_VIEWMODEL_UTILS_H
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#include <QObject>
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#include <QSharedPointer>
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#include <QVariant>
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/**
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* \brief Wraps a data object in a QObject.
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*
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* This class is made for use in the ViewModel namespace, since many
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* objects follow the pattern of having a constructor with a QSharedPointer<DTO::SomeItem>
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* and a parent.
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*
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* The QObject wrapper class W must have a accessible constructor which takes only a QSharedPointer<D>
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* as argument.
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*
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* \tparam W The QObject wrapper class
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* \tparam D The DTO class
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* \param data The data to wrap in a QObject
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* \param parent The QObject to set as the parent of the newly created type.
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*/
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template<typename W, typename D>
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W *wrapQObject(D data, QObject *parent) {
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return new W(QSharedPointer<D>::create(data), parent);
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}
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/**
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* \brief Wraps a list of DTO items in a QVariantList of QObject's
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* \see wrapQObject()
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* \param begin The begin iterator of the list of DTO items
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* \param end The end iterator of the list of DTO items
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* \param parent The QObject to set as the parent of the QObjects in the newly created list.
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*/
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template<typename W, typename D, typename It>
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QVariantList wrapQVariantList(It begin, It end, QObject *parent) {
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QVariantList result;
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for (It it = begin; it != end; it++) {
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result.append(QVariant::fromValue(wrapQObject<W, D>(*it, parent)));
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}
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return result;
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}
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/**
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* \brief Wraps a list of DTO items in a QObjectList.
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* \see wrapQObject()
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* \param begin The begin iterator of the list of DTO items
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* \param end The end iterator of the list of DTO items
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* \param parent The QObject to set as the parent of the QObjects in the newly created list.
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*/
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template<typename W, typename D, typename It>
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QObjectList wrapQObjectList(It begin, It end, QObject *parent) {
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QObjectList result;
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for (It it = begin; it != end; it++) {
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result.append(wrapQObject<W, D>(*it, parent));
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}
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return result;
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}
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#endif // JELLYFIN_VIEWMODEL_UTILS_H
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