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#ifndef DXCBXSETTINGS_H
#define DXCBXSETTINGS_H

#include "qxcbscreen.h"
#include "global.h"

DPP_BEGIN_NAMESPACE

class DXcbXSettingsPrivate;

class DXcbXSettings
{
    Q_DECLARE_PRIVATE(DXcbXSettings)
public:
    DXcbXSettings(QXcbVirtualDesktop *screen, const QByteArray &property = QByteArray());
    DXcbXSettings(QXcbVirtualDesktop *screen, xcb_window_t setting_window, const QByteArray &property = QByteArray());
    DXcbXSettings(xcb_window_t setting_window, const QByteArray &property = QByteArray());
    ~DXcbXSettings();
    bool initialized() const;
    bool isEmpty() const;

    bool contains(const QByteArray &property) const;
    QVariant setting(const QByteArray &property) const;
    void setSetting(const QByteArray &property, const QVariant &value);
    QByteArrayList settingKeys() const;

    typedef void (*PropertyChangeFunc)(QXcbVirtualDesktop *screen, const QByteArray &name, const QVariant &property, void *handle);
    void registerCallback(PropertyChangeFunc func, void *handle);
    void registerCallbackForProperty(const QByteArray &property, PropertyChangeFunc func, void *handle);
    void removeCallbackForHandle(const QByteArray &property, void *handle);
    void removeCallbackForHandle(void *handle);
    typedef void (*SignalFunc)(QXcbVirtualDesktop *screen, const QByteArray &signal, qint32 data1, qint32 data2, void *handle);
    void registerSignalCallback(SignalFunc func, void *handle);
    void removeSignalCallback(void *handle);
    void emitSignal(const QByteArray &signal, qint32 data1, qint32 data2);

    static void emitSignal(xcb_window_t window, xcb_atom_t type, const QByteArray &signal, qint32 data1, qint32 data2);
    static bool handlePropertyNotifyEvent(const xcb_property_notify_event_t *event);
    static bool handleClientMessageEvent(const xcb_client_message_event_t *event);

    static void clearSettings(xcb_window_t setting_window);
private:
    DXcbXSettingsPrivate *d_ptr;
};

DPP_END_NAMESPACE

#endif // DXCBXSETTINGS_H
