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#ifndef QMLSYSTEMPALETTE_H
#define QMLSYSTEMPALETTE_H

#include <QtCore/qobject.h>
#include <QtDeclarative/qml.h>
#include <QPalette>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Declarative)

class QmlSystemPalettePrivate;
class Q_DECLARATIVE_EXPORT QmlSystemPalette : public QObject
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QmlSystemPalette)

    Q_PROPERTY(QPalette::ColorGroup colorGroup READ colorGroup WRITE setColorGroup NOTIFY paletteChanged)
    Q_PROPERTY(QColor window READ window NOTIFY paletteChanged)
    Q_PROPERTY(QColor windowText READ windowText NOTIFY paletteChanged)
    Q_PROPERTY(QColor base READ base NOTIFY paletteChanged)
    Q_PROPERTY(QColor text READ text NOTIFY paletteChanged)
    Q_PROPERTY(QColor alternateBase READ alternateBase NOTIFY paletteChanged)
    Q_PROPERTY(QColor button READ button NOTIFY paletteChanged)
    Q_PROPERTY(QColor buttonText READ buttonText NOTIFY paletteChanged)
    Q_PROPERTY(QColor light READ light NOTIFY paletteChanged)
    Q_PROPERTY(QColor midlight READ midlight NOTIFY paletteChanged)
    Q_PROPERTY(QColor dark READ dark NOTIFY paletteChanged)
    Q_PROPERTY(QColor mid READ mid NOTIFY paletteChanged)
    Q_PROPERTY(QColor shadow READ shadow NOTIFY paletteChanged)
    Q_PROPERTY(QColor highlight READ highlight NOTIFY paletteChanged)
    Q_PROPERTY(QColor highlightedText READ highlightedText NOTIFY paletteChanged)

public:
    QmlSystemPalette(QObject *parent=0);
    ~QmlSystemPalette();

    QColor window() const;
    QColor windowText() const;

    QColor base() const;
    QColor text() const;
    QColor alternateBase() const;

    QColor button() const;
    QColor buttonText() const;

    QColor light() const;
    QColor midlight() const;
    QColor dark() const;
    QColor mid() const;
    QColor shadow() const;

    QColor highlight() const;
    QColor highlightedText() const;

    QPalette::ColorGroup colorGroup() const;
    void setColorGroup(QPalette::ColorGroup);

    // FIXME: Move to utility class?
    Q_INVOKABLE QColor lighter(const QColor&) const;
    Q_INVOKABLE QColor darker(const QColor&) const;

Q_SIGNALS:
    void paletteChanged();

private:
    bool eventFilter(QObject *watched, QEvent *event);
    bool event(QEvent *event);

};

QT_END_NAMESPACE

QML_DECLARE_TYPE(QmlSystemPalette)

QT_END_HEADER

#endif // QMLSYSTEMPALETTE_H