#ifndef _XPCWidget_h_
#define _XPCWidget_h_

#include "XPWidgets.h"
#include <algorithm>
#include <vector>

class XPCWidget;

class XPCWidgetAttachment
{
public:
    virtual int HandleWidgetMessage(XPCWidget *inObject,
                                    XPWidgetMessage inMessage,
                                    XPWidgetID inWidget,
                                    intptr_t inParam1,
                                    intptr_t inParam2) = 0;
};

class XPCWidget
{
public:
    XPCWidget(int inLeft,
              int inTop,
              int inRight,
              int inBottom,
              bool inVisible,
              const char *inDescriptor,
              bool inIsRoot,
              XPWidgetID inParent,
              XPWidgetClass inClass);
    XPCWidget(XPWidgetID inWidget, bool inOwnsWidget);
    virtual ~XPCWidget();

    void SetOwnsWidget(bool inOwnsWidget);
    void SetOwnsChildren(bool inOwnsChildren);

    operator XPWidgetID() const;

    XPWidgetID Get(void) const;

    void AddAttachment(XPCWidgetAttachment *inAttachment,
                       bool inOwnsAttachment,
                       bool inPrefilter);
    void RemoveAttachment(XPCWidgetAttachment *inAttachment);

    virtual int HandleWidgetMessage(XPWidgetMessage inMessage,
                                    XPWidgetID inWidget,
                                    intptr_t inParam1,
                                    intptr_t inParam2);

private:
    static int WidgetCallback(XPWidgetMessage inMessage,
                              XPWidgetID inWidget,
                              intptr_t inParam1,
                              intptr_t inParam2);

    typedef std::pair<XPCWidgetAttachment *, bool> AttachmentInfo;
    typedef std::vector<AttachmentInfo> AttachmentVector;

    AttachmentVector mAttachments;
    XPWidgetID mWidget;
    bool mOwnsChildren;
    bool mOwnsWidget;

    XPCWidget();
    XPCWidget(const XPCWidget &);
    XPCWidget &operator=(const XPCWidget &);
};

#endif