keyfiltermanager.h

/*
    keyfiltermanager.h
 
    This file is part of libkleopatra, the KDE keymanagement library
    SPDX-FileCopyrightText: 2004 Klarälvdalens Datakonsult AB
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#pragma once
 
#include "kleo_export.h"
 
#include <Libkleo/KeyFilter>
 
#include <QObject>
#include <QSortFilterProxyModel>
 
#include <gpgme++/global.h>
 
#include <memory>
#include <vector>
 
namespace GpgME
{
class Key;
class UserID;
}
 
class QModelIndex;
class QFont;
class QColor;
class QIcon;
 
namespace Kleo
{
 
class KLEO_EXPORT KeyFilterManager : public QObject
{
    Q_OBJECT
public:
    enum ModelRoles {
        FilterIdRole = Qt::UserRole,
        FilterMatchContextsRole,
        FilterRole,
    };
 
protected:
    explicit KeyFilterManager(QObject *parent = nullptr);
    ~KeyFilterManager() override;
 
public:
    static KeyFilterManager *instance();
 
    /**
     * Adds the rule that keys must match @p protocol to all filters.
     */
    void alwaysFilterByProtocol(GpgME::Protocol protocol);
    GpgME::Protocol protocol() const;
 
    const std::shared_ptr<KeyFilter> &filterMatching(const GpgME::Key &key, KeyFilter::MatchContexts contexts) const;
    std::vector<std::shared_ptr<KeyFilter>> filtersMatching(const GpgME::Key &key, KeyFilter::MatchContexts contexts) const;
 
    QAbstractItemModel *model() const;
 
    const std::shared_ptr<KeyFilter> &keyFilterByID(const QString &id) const;
    const std::shared_ptr<KeyFilter> &fromModelIndex(const QModelIndex &mi) const;
    QModelIndex toModelIndex(const std::shared_ptr<KeyFilter> &kf) const;
 
    void reload();
 
    QFont font(const GpgME::Key &key, const QFont &baseFont) const;
    QColor bgColor(const GpgME::Key &key) const;
    QColor bgColor(const GpgME::UserID &userID) const;
    QColor fgColor(const GpgME::Key &key) const;
    QColor fgColor(const GpgME::UserID &userID) const;
    QIcon icon(const GpgME::Key &key) const;
 
    class Private;
 
Q_SIGNALS:
    void alwaysFilterByProtocolChanged(GpgME::Protocol protocol);
 
private:
    std::unique_ptr<Private> d;
    static KeyFilterManager *mSelf;
};
 
class KLEO_EXPORT KeyFilterModel : public QSortFilterProxyModel
{
    Q_OBJECT
 
public:
    KeyFilterModel(QObject *parent = nullptr);
    bool isCustomFilter(int row) const;
    void prependCustomFilter(const std::shared_ptr<KeyFilter> &filter);
 
    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
    int columnCount(const QModelIndex &parent = QModelIndex()) const override;
 
    QModelIndex mapToSource(const QModelIndex &index) const override;
    QModelIndex mapFromSource(const QModelIndex &source_index) const override;
 
    QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
    Qt::ItemFlags flags(const QModelIndex &index) const override;
    QModelIndex parent(const QModelIndex &) const override;
    QVariant data(const QModelIndex &index, int role) const override;
 
private:
    class Private;
    const std::unique_ptr<Private> d;
};
}