File indexing completed on 2024-05-05 17:33:21

 /*
  *   SPDX-FileCopyrightText: 2010 Jonathan Thomas <echidnaman@kubuntu.org>
  *   SPDX-FileCopyrightText: 2012 Aleix Pol Gonzalez <aleixpol@blue-systems.com>
  *
  *   SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
  */
 
 #pragma once
 
 #include <QQmlParserStatus>
 #include <QSortFilterProxyModel>
 #include <QString>
 #include <QStringList>
 #include <QTimer>
 
 #include <Category/Category.h>
 
 #include "AbstractResource.h"
 #include "AbstractResourcesBackend.h"
 #include "discovercommon_export.h"
 
 class AggregatedResultsStream;
 
 /*
  * This class encapsulates model's counter. The string property is a
  * pre-formatted number possibly with extra symbols for a "rough" appearance.
  * If counter is not valid, accessing its number and string is pointless.
  */
 class DISCOVERCOMMON_EXPORT ResourcesCount
 {
     Q_GADGET
     Q_PROPERTY(bool valid MEMBER m_valid CONSTANT FINAL)
     Q_PROPERTY(int number MEMBER m_number CONSTANT FINAL)
     Q_PROPERTY(QString string MEMBER m_string CONSTANT FINAL)
 
 public:
     explicit ResourcesCount();
     explicit ResourcesCount(int number);
     explicit ResourcesCount(int number, const QString &string);
 
 private:
     bool m_valid;
     int m_number;
     QString m_string;
 };
 
 Q_DECLARE_METATYPE(ResourcesCount)
 
 class DISCOVERCOMMON_EXPORT ResourcesProxyModel : public QAbstractListModel, public QQmlParserStatus
 {
     Q_OBJECT
     Q_INTERFACES(QQmlParserStatus)
     Q_PROPERTY(Roles sortRole READ sortRole WRITE setSortRole NOTIFY sortRoleChanged)
     Q_PROPERTY(Qt::SortOrder sortOrder READ sortOrder WRITE setSortOrder NOTIFY sortOrderChanged)
     Q_PROPERTY(Category *filteredCategory READ filteredCategory WRITE setFiltersFromCategory NOTIFY categoryChanged)
     Q_PROPERTY(QString filteredCategoryName READ filteredCategoryName WRITE setFilteredCategoryName NOTIFY categoryChanged)
     Q_PROPERTY(QString originFilter READ originFilter WRITE setOriginFilter)
     Q_PROPERTY(AbstractResource::State stateFilter READ stateFilter WRITE setStateFilter NOTIFY stateFilterChanged)
     Q_PROPERTY(bool filterMinimumState READ filterMinimumState WRITE setFilterMinimumState NOTIFY filterMinimumStateChanged)
     Q_PROPERTY(QString mimeTypeFilter READ mimeTypeFilter WRITE setMimeTypeFilter)
     Q_PROPERTY(AbstractResourcesBackend *backendFilter READ backendFilter WRITE setBackendFilter)
     Q_PROPERTY(QString search READ lastSearch WRITE setSearch NOTIFY searchChanged)
     Q_PROPERTY(QUrl resourcesUrl READ resourcesUrl WRITE setResourcesUrl NOTIFY resourcesUrlChanged)
     Q_PROPERTY(QString extending READ extends WRITE setExtends)
     Q_PROPERTY(bool allBackends READ allBackends WRITE setAllBackends)
     Q_PROPERTY(QVariantList subcategories READ subcategories NOTIFY subcategoriesChanged)
     Q_PROPERTY(bool isBusy READ isBusy NOTIFY busyChanged)
     Q_PROPERTY(bool sortByRelevancy READ sortByRelevancy NOTIFY sortByRelevancyChanged)
     Q_PROPERTY(ResourcesCount count READ count NOTIFY countChanged FINAL)
 public:
     explicit ResourcesProxyModel(QObject *parent = nullptr);
     enum Roles {
         NameRole = Qt::UserRole,
         IconRole,
         CommentRole,
         StateRole,
         RatingRole,
         RatingPointsRole,
         RatingCountRole,
         SortableRatingRole,
         InstalledRole,
         ApplicationRole,
         OriginRole,
         DisplayOriginRole,
         CanUpgrade,
         PackageNameRole,
         CategoryRole,
         SectionRole,
         MimeTypes,
         SizeRole,
         LongDescriptionRole,
         SourceIconRole,
         ReleaseDateRole,
     };
     Q_ENUM(Roles)
 
     QHash<int, QByteArray> roleNames() const override;
 
     void setSearch(const QString &text);
     QString lastSearch() const;
     void setOriginFilter(const QString &origin);
     QString originFilter() const;
     void setFiltersFromCategory(Category *category);
     void setStateFilter(AbstractResource::State s);
     AbstractResource::State stateFilter() const;
     void setSortRole(Roles sortRole);
     Roles sortRole() const
     {
         return m_sortRole;
     }
     void setSortOrder(Qt::SortOrder sortOrder);
     Qt::SortOrder sortOrder() const
     {
         return m_sortOrder;
     }
     void setFilterMinimumState(bool filterMinimumState);
     bool filterMinimumState() const;
 
     Category *filteredCategory() const;
     QString filteredCategoryName() const;
     void setFilteredCategoryName(const QString &cat);
 
     QString mimeTypeFilter() const;
     void setMimeTypeFilter(const QString &mime);
 
     QString extends() const;
     void setExtends(const QString &extends);
 
     QUrl resourcesUrl() const;
     void setResourcesUrl(const QUrl &resourcesUrl);
 
     bool allBackends() const;
     void setAllBackends(bool allBackends);
 
     AbstractResourcesBackend *backendFilter() const;
     void setBackendFilter(AbstractResourcesBackend *filtered);
 
     QVariantList subcategories() const;
 
     QVariant data(const QModelIndex &index, int role) const override;
     int rowCount(const QModelIndex &parent = {}) const override;
 
     Q_SCRIPTABLE int indexOf(AbstractResource *res);
     Q_SCRIPTABLE AbstractResource *resourceAt(int row) const;
 
     bool isBusy() const
     {
         return m_currentStream != nullptr;
     }
 
     bool lessThan(AbstractResource *rl, AbstractResource *rr) const;
     Q_SCRIPTABLE void invalidateFilter();
     void invalidateSorting();
 
     bool canFetchMore(const QModelIndex &parent) const override;
     void fetchMore(const QModelIndex &parent) override;
     bool sortByRelevancy() const;
 
     void classBegin() override
     {
     }
     void componentComplete() override;
 
     ResourcesCount count() const;
 
 private Q_SLOTS:
     void refreshBackend(AbstractResourcesBackend *backend, const QVector<QByteArray> &properties);
     void refreshResource(AbstractResource *resource, const QVector<QByteArray> &properties);
     void removeResource(AbstractResource *resource);
 
 private:
     void sortedInsertion(const QVector<AbstractResource *> &res);
     QVariant roleToValue(AbstractResource *res, int role) const;
 
     QVector<int> propertiesToRoles(const QVector<QByteArray> &properties) const;
     void addResources(const QVector<AbstractResource *> &res);
     void fetchSubcategories();
     void removeDuplicates(QVector<AbstractResource *> &newResources);
     bool isSorted(const QVector<AbstractResource *> &resources);
 
     Roles m_sortRole;
     Qt::SortOrder m_sortOrder;
 
     bool m_sortByRelevancy;
     bool m_setup = false;
     QString m_categoryName;
 
     AbstractResourcesBackend::Filters m_filters;
     QVariantList m_subcategories;
 
     QVector<AbstractResource *> m_displayedResources;
     static const QHash<int, QByteArray> s_roles;
     ResultsStream *m_currentStream;
     QTimer m_countTimer;
 
 Q_SIGNALS:
     void busyChanged(bool isBusy);
     void sortRoleChanged(int sortRole);
     void sortOrderChanged(Qt::SortOrder order);
     void categoryChanged();
     void stateFilterChanged();
     void searchChanged(const QString &search);
     void subcategoriesChanged(const QVariantList &subcategories);
     void resourcesUrlChanged(const QUrl &url);
     void countChanged();
     void filterMinimumStateChanged(bool filterMinimumState);
     void sortByRelevancyChanged(bool sortByRelevancy);
 };