qdeclarativeplacecontentmodel_p.h

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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QDECLARATIVEPLACECONTENTMODEL_H
#define QDECLARATIVEPLACECONTENTMODEL_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
 
#include <QtLocation/private/qlocationglobal_p.h>
#include <QtCore/QAbstractListModel>
#include <QtQml/QQmlParserStatus>
#include <QtLocation/QPlaceContent>
#include <QtLocation/QPlaceContentReply>
#include <QtLocation/QPlaceContentRequest>
#include <QtLocation/QPlaceSupplier>
 
Q_MOC_INCLUDE(<QtLocation/private/qdeclarativeplace_p.h>)
 
QT_BEGIN_NAMESPACE
 
class QDeclarativePlace;
class QDeclarativeGeoServiceProvider;
class QGeoServiceProvider;
 
class Q_LOCATION_EXPORT QDeclarativePlaceContentModel : public QAbstractListModel, public QQmlParserStatus
{
    Q_OBJECT
 
    Q_PROPERTY(QDeclarativePlace *place READ place WRITE setPlace NOTIFY placeChanged)
    Q_PROPERTY(int batchSize READ batchSize WRITE setBatchSize NOTIFY batchSizeChanged)
    Q_PROPERTY(int totalCount READ totalCount NOTIFY totalCountChanged)
 
    Q_INTERFACES(QQmlParserStatus)
 
public:
    explicit QDeclarativePlaceContentModel(QPlaceContent::Type type, QObject *parent = nullptr);
    ~QDeclarativePlaceContentModel();
 
    QDeclarativePlace *place() const;
    void setPlace(QDeclarativePlace *place);
 
    int batchSize() const;
    void setBatchSize(int batchSize);
 
    int totalCount() const;
 
    void clearData();
 
    void initializeCollection(int totalCount, const QPlaceContent::Collection &collection);
 
    // from QAbstractListModel
    int rowCount(const QModelIndex &parent) const override;
    QVariant data(const QModelIndex &index, int role) const override;
    QHash<int, QByteArray> roleNames() const override;
 
    enum Roles {
        ContentSupplierRole = Qt::UserRole,
        ContentUserRole,
        ContentAttributionRole,
        EditorialTitleRole,
        EditorialTextRole,
        EditorialLanguageRole,
        ImageIdRole,
        ImageUrlRole,
        ImageMimeTypeRole,
        ReviewIdRole,
        ReviewDateTimeRole,
        ReviewTitleRole,
        ReviewTextRole,
        ReviewLanguageRole,
        ReviewRatingRole
    };
 
    bool canFetchMore(const QModelIndex &parent) const override;
    void fetchMore(const QModelIndex &parent) override;
 
    // from QQmlParserStatus
    void classBegin() override;
    void componentComplete() override;
 
Q_SIGNALS:
    void placeChanged();
    void batchSizeChanged();
    void totalCountChanged();
 
private Q_SLOTS:
    void fetchFinished();
 
protected:
    QPlaceContent::Collection m_content;
    QMap<QString, QPlaceSupplier> m_suppliers;
    QMap<QString, QPlaceUser>m_users;
 
private:
    QDeclarativePlace *m_place = nullptr;
    QPlaceContent::Type m_type;
    int m_batchSize = 1;
    int m_contentCount = -1;
 
    QPlaceContentReply *m_reply = nullptr;
    QPlaceContentRequest m_nextRequest;
 
    bool m_complete = false;
};
 
class QDeclarativePlaceReviewModel : public QDeclarativePlaceContentModel
{
    Q_GADGET
    QML_NAMED_ELEMENT(ReviewModel)
    QML_ADDED_IN_VERSION(5, 0)
 
public:
    explicit QDeclarativePlaceReviewModel(QObject *parent = nullptr)
        : QDeclarativePlaceContentModel(QPlaceContent::ReviewType, parent)
    {}
};
 
class QDeclarativePlaceEditorialModel : public QDeclarativePlaceContentModel
{
    Q_GADGET
    QML_NAMED_ELEMENT(EditorialModel)
    QML_ADDED_IN_VERSION(5, 0)
public:
    explicit QDeclarativePlaceEditorialModel(QObject *parent = nullptr)
        : QDeclarativePlaceContentModel(QPlaceContent::EditorialType, parent)
    {}
};
 
class QDeclarativePlaceImageModel : public QDeclarativePlaceContentModel
{
    Q_GADGET
    QML_NAMED_ELEMENT(ImageModel)
    QML_ADDED_IN_VERSION(5, 0)
public:
    explicit QDeclarativePlaceImageModel(QObject *parent = nullptr)
        : QDeclarativePlaceContentModel(QPlaceContent::ImageType, parent)
    {}
};
 
QT_END_NAMESPACE
 
#endif // QDECLARATIVEPLACECONTENTMODEL_H