File indexing completed on 2024-05-12 04:42:51

 /*
     SPDX-FileCopyrightText: 2019 Volker Krause <vkrause@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #ifndef KPUBLICTRANSPORT_ABSTRACTQUERYMODEL_H
 #define KPUBLICTRANSPORT_ABSTRACTQUERYMODEL_H
 
 #include "kpublictransport_export.h"
 
 #include <QAbstractListModel>
 
 #include <memory>
 #include <vector>
 
 namespace KPublicTransport {
 
 class AbstractQueryModelPrivate;
 class Attribution;
 class Manager;
 
 /** Common base class for query models, do not use directly. */
 class KPUBLICTRANSPORT_EXPORT AbstractQueryModel : public QAbstractListModel
 {
     Q_OBJECT
 
     /** Sets the KPublicTransport::Manager instance. Necessary for this to work at all. */
     Q_PROPERTY(KPublicTransport::Manager* manager READ manager WRITE setManager NOTIFY managerChanged)
 
     /** @c true if there is still an ongoing network operation. */
     Q_PROPERTY(bool loading READ isLoading NOTIFY loadingChanged)
     /** Contains the error message if all backends failed to provide a result. */
     Q_PROPERTY(QString errorMessage READ errorMessage NOTIFY errorMessageChanged)
 
     /** Attributions for the provided data. */
     Q_PROPERTY(QVariantList attributions READ attributionsVariant NOTIFY attributionsChanged)
 
 public:
     ~AbstractQueryModel() override;
 
     Manager* manager() const;
     void setManager(Manager *mgr);
 
     bool isLoading() const;
     QString errorMessage() const;
 
     /** The attribution information for the current model content. */
     const std::vector<Attribution>& attributions() const;
 
     /** Cancel ongoing query operations, but keep the results that are already there. */
     Q_INVOKABLE void cancel();
 
     /** Cancel any ongoing query operations, and clear the results. */
     Q_INVOKABLE void clear();
 
 Q_SIGNALS:
     void managerChanged();
     void loadingChanged();
     void errorMessageChanged();
     void attributionsChanged();
 
 protected:
     ///@cond internal
     Q_DECL_HIDDEN explicit AbstractQueryModel(AbstractQueryModelPrivate *dd, QObject *parent);
     std::unique_ptr<AbstractQueryModelPrivate> d_ptr;
     ///@endcond
 
 private:
     Q_DECL_HIDDEN QVariantList attributionsVariant() const;
 };
 
 }
 
 #endif // KPUBLICTRANSPORT_ABSTRACTQUERYMODEL_H