//
// Microsoft Corporation 1998
//
// COMPDATA.H -  CComponentData class
//

class CComponentData:
    public IComponentData,
    public IPersistStreamInit,
    public ISnapinHelp
{
    friend class CDataObject;
    friend class CSnapIn;

protected:
    ULONG                m_cRef;
    HWND                 m_hwndFrame;
    LPCONSOLENAMESPACE   m_pScope;
    LPCONSOLE            m_pConsole;
    HSCOPEITEM           m_hRoot;
    LPGPEINFORMATION     m_pGPTInformation;

public:
    CComponentData();
    ~CComponentData();


    // IUnknown methods
    STDMETHODIMP         QueryInterface(REFIID, LPVOID FAR *);
    STDMETHODIMP_(ULONG) AddRef();
    STDMETHODIMP_(ULONG) Release();

    // Implemented IComponentData methods
    STDMETHODIMP         Initialize(LPUNKNOWN pUnknown);
    STDMETHODIMP         CreateComponent(LPCOMPONENT* ppComponent);
    STDMETHODIMP         QueryDataObject(MMC_COOKIE cookie, DATA_OBJECT_TYPES type, LPDATAOBJECT* ppDataObject);
    STDMETHODIMP         Destroy(void);
    STDMETHODIMP         Notify(LPDATAOBJECT lpDataObject, MMC_NOTIFY_TYPE event, LPARAM arg, LPARAM param);
    STDMETHODIMP         GetDisplayInfo(LPSCOPEDATAITEM pItem);
    STDMETHODIMP         CompareObjects(LPDATAOBJECT lpDataObjectA, LPDATAOBJECT lpDataObjectB);


    // Implemented IPersistStreamInit interface members
    STDMETHODIMP         GetClassID(CLSID *pClassID);
    STDMETHODIMP         IsDirty(VOID);
    STDMETHODIMP         Load(IStream *pStm);
    STDMETHODIMP         Save(IStream *pStm, BOOL fClearDirty);
    STDMETHODIMP         GetSizeMax(ULARGE_INTEGER *pcbSize);
    STDMETHODIMP         InitNew(VOID);

    //
    // ISnapinHelp
    //
    STDMETHODIMP        GetHelpTopic( LPOLESTR * lpCompiledHelpFile );
        
private:
    HRESULT EnumerateScopePane(LPDATAOBJECT lpDataObject, HSCOPEITEM hParent);
};



// ComponentData class factory
class CComponentDataCF : public IClassFactory
{
protected:
    ULONG m_cRef;

public:
    CComponentDataCF();
    ~CComponentDataCF();


    // IUnknown methods
    STDMETHODIMP         QueryInterface(REFIID, LPVOID FAR *);
    STDMETHODIMP_(ULONG) AddRef();
    STDMETHODIMP_(ULONG) Release();

    // IClassFactory methods
    STDMETHODIMP CreateInstance(LPUNKNOWN, REFIID, LPVOID FAR *);
    STDMETHODIMP LockServer(BOOL);
};