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** Modified by: Tan Jing on 2025-04-02
****************************************************************************/
#ifndef XDGDESKTOPPORTALFILEDIALOG_P_H
#define XDGDESKTOPPORTALFILEDIALOG_P_H

#include <qpa/qplatformdialoghelper.h>
#include <QVector>

QT_BEGIN_NAMESPACE

class XdgDesktopPortalFileDialogPrivate;

class XdgDesktopPortalFileDialog : public QPlatformFileDialogHelper
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(XdgDesktopPortalFileDialog)
public:
    enum ConditionType : uint {
        GlobalPattern = 0,
        MimeType = 1
    };
    // Filters a(sa(us))
    // Example: [('Images', [(0, '*.ico'), (1, 'image/png')]), ('Text', [(0, '*.txt')])]
    struct FilterCondition {
        ConditionType type;
        QString pattern; // E.g. '*ico' or 'image/png'
    };
    typedef QVector<FilterCondition> FilterConditionList;

    struct Filter {
        QString name; // E.g. 'Images' or 'Text
        FilterConditionList filterConditions;; // E.g. [(0, '*.ico'), (1, 'image/png')] or [(0, '*.txt')]
    };
    typedef QVector<Filter> FilterList;

    XdgDesktopPortalFileDialog(QPlatformFileDialogHelper *nativeFileDialog = nullptr);
    ~XdgDesktopPortalFileDialog();

    bool defaultNameFilterDisables() const override;
    QUrl directory() const override;
    void setDirectory(const QUrl &directory) override;
    void selectFile(const QUrl &filename) override;
    QList<QUrl> selectedFiles() const override;
    void setFilter() override;
    void selectNameFilter(const QString &filter) override;
    QString selectedNameFilter() const override;
    void selectMimeTypeFilter(const QString &filter) override;
    QString selectedMimeTypeFilter() const override;

    void exec() override;
    bool show(Qt::WindowFlags windowFlags, Qt::WindowModality windowModality, QWindow *parent) override;
    void hide() override;

private Q_SLOTS:
    void gotResponse(uint response, const QVariantMap &results);

private:
    void initializeDialog();
    void openPortal();

private:
    QUrl m_initialDirectory;
    QList<QUrl> m_initialSelectFiles;
    QString m_initialPath;

    QScopedPointer<XdgDesktopPortalFileDialogPrivate> d_ptr;
};

QT_END_NAMESPACE

Q_DECLARE_METATYPE(XdgDesktopPortalFileDialog::FilterCondition);
Q_DECLARE_METATYPE(XdgDesktopPortalFileDialog::FilterConditionList);
Q_DECLARE_METATYPE(XdgDesktopPortalFileDialog::Filter);
Q_DECLARE_METATYPE(XdgDesktopPortalFileDialog::FilterList);

#endif // XDGDESKTOPPORTALFILEDIALOG_P_H

