/***************************************************************************
 *   Copyright 2011 Marco Martin <mart@kde.org>                            *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA .        *
 ***************************************************************************/
#ifndef QICONITEM_H
#define QICONITEM_H

#include <QIcon>
#include <QQuickItem>
#include <QVariant>

class QIconItem : public QQuickItem
{
    Q_OBJECT

    Q_PROPERTY(QVariant icon READ icon WRITE setIcon NOTIFY iconChanged)
    Q_PROPERTY(bool smooth READ smooth WRITE setSmooth NOTIFY smoothChanged)
    Q_PROPERTY(int implicitWidth READ implicitWidth CONSTANT)
    Q_PROPERTY(int implicitHeight READ implicitHeight CONSTANT)
    Q_PROPERTY(State state READ state WRITE setState NOTIFY stateChanged)
    Q_PROPERTY(bool enabled READ enabled WRITE setEnabled NOTIFY stateChanged)

    Q_ENUMS(State)

public:

    enum State {
        DefaultState, ///The default state. 
        ActiveState, ///Icon is active. 
        DisabledState, ///Icon is disabled.
        SelectedState ///Icon is selected
    };

    QIconItem(QQuickItem *parent=0);
    ~QIconItem();

    void setIcon(const QVariant &icon);
    QIcon icon() const;

    QIconItem::State state() const;
    void setState(State state);

    int implicitWidth() const;
    int implicitHeight() const;

    void setSmooth(const bool smooth);
    bool smooth() const;

    void setEnabled(bool enabled = true);
    bool enabled() const;

    QSGNode* updatePaintNode(QSGNode* node, UpdatePaintNodeData* data) Q_DECL_OVERRIDE;

Q_SIGNALS:
    void iconChanged();
    void smoothChanged();
    void stateChanged(State state);

protected:
    void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) Q_DECL_OVERRIDE;

private:
    QIcon m_icon;
    bool m_smooth;
    State m_state;
    bool m_changed;
};

#endif
