File indexing completed on 2024-05-12 04:42:52

 /*
     SPDX-FileCopyrightText: 2019 Volker Krause <vkrause@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #ifndef KPUBLICTRANSPORT_JOURNEYQUERYMODEL_H
 #define KPUBLICTRANSPORT_JOURNEYQUERYMODEL_H
 
 #include "kpublictransport_export.h"
 #include "abstractquerymodel.h"
 
 #include <KPublicTransport/JourneyRequest>
 
 namespace KPublicTransport {
 
 class Journey;
 class JourneyQueryModelPrivate;
 
 /**
  * Model representing journey query results.
  * This takes care of dynamically updating as results arrive from different
  * backends, including merging them, as well as providing a way to search
  * for earlier/later journeys for the initial request.
  */
 class KPUBLICTRANSPORT_EXPORT JourneyQueryModel : public AbstractQueryModel
 {
     Q_OBJECT
 
     /** Specify the requested journey. */
     Q_PROPERTY(KPublicTransport::JourneyRequest request READ request WRITE setRequest NOTIFY requestChanged)
 
     /** Whether querying for later journeys is possible. */
     Q_PROPERTY(bool canQueryNext READ canQueryNext NOTIFY canQueryPrevNextChanged)
     /** Whether querying for earlier journey is possible. */
     Q_PROPERTY(bool canQueryPrevious READ canQueryPrevious NOTIFY canQueryPrevNextChanged)
 
 public:
     explicit JourneyQueryModel(QObject *parent = nullptr);
     ~JourneyQueryModel() override;
 
     JourneyRequest request() const;
     /** Specify the actual journey query. */
     void setRequest(const JourneyRequest &req);
 
     bool canQueryNext() const;
     /** Search for later journeys.
      *  Has no effect if canQueryNext() returns @c false.
      */
     Q_INVOKABLE void queryNext();
 
     bool canQueryPrevious() const;
     /** Search for earlier journeys.
      *  Has no effect if canQueryPrevious() returns @c false.
      */
     Q_INVOKABLE void queryPrevious();
 
     enum Roles {
         JourneyRole = Qt::UserRole,
         ScheduledDepartureTime,
         ScheduledArrivalTime
     };
     Q_ENUM(Roles)
 
     int rowCount(const QModelIndex &parent) const override;
     QVariant data(const QModelIndex &index, int role) const override;
     QHash<int, QByteArray> roleNames() const override;
 
     /** The current model content. */
     const std::vector<Journey>& journeys() const;
 
 Q_SIGNALS:
     void requestChanged();
     void canQueryPrevNextChanged();
 
 private:
     friend class JourneyQueryModelPrivate;
     Q_DECLARE_PRIVATE(JourneyQueryModel)
 };
 
 }
 
 #endif // KPUBLICTRANSPORT_JOURNEYQUERYMODEL_H