Leaked source code of windows server 2003
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// Preview.h : Declaration of the CVideoPreview
#ifndef __VIDEOPREVIEW_H_
#define __VIDEOPREVIEW_H_
#include "resource.h" // main symbols
#include <atlctl.h>
#define PM_CREATEGRAPH (WM_USER+1)
#define PM_GOAWAY (WM_USER+2)
#define TIMER_SHOW_DIALOG 1
#define TIMER_CLOSE_DIALOG 2
typedef struct {
HWND hDlg;
HANDLE hEvent;
} PREVIEW_INFO_STRUCT;
/////////////////////////////////////////////////////////////////////////////
// CVideoPreview
class ATL_NO_VTABLE CVideoPreview :
public CComObjectRootEx<CComSingleThreadModel>,
public CStockPropImpl<CVideoPreview, IVideoPreview, &IID_IVideoPreview, &LIBID_WIAVIEWLib>,
public CComControl<CVideoPreview>,
public IPersistStreamInitImpl<CVideoPreview>,
public IOleControlImpl<CVideoPreview>,
public IOleObjectImpl<CVideoPreview>,
public IOleInPlaceActiveObjectImpl<CVideoPreview>,
public IViewObjectExImpl<CVideoPreview>,
public IOleInPlaceObjectWindowlessImpl<CVideoPreview>,
public IPersistStorageImpl<CVideoPreview>,
public ISpecifyPropertyPagesImpl<CVideoPreview>,
public IQuickActivateImpl<CVideoPreview>,
public IDataObjectImpl<CVideoPreview>,
public IProvideClassInfo2Impl<&CLSID_VideoPreview, NULL, &LIBID_WIAVIEWLib>,
public CComCoClass<CVideoPreview, &CLSID_VideoPreview>
{
public:
CVideoPreview()
{
m_bWindowOnly = TRUE;
m_bAutoSize = FALSE;
//m_bUsingWindowRegion = TRUE;
m_bCreated = FALSE;
WIA_PUSHFUNCTION((TEXT("CVideoPreview::CVideoPreview")));
}
~CVideoPreview()
{
WIA_PUSHFUNCTION((TEXT("CVideoPreview::~CVideoPreview")));
}
DECLARE_REGISTRY_RESOURCEID(IDR_PREVIEW)
DECLARE_PROTECT_FINAL_CONSTRUCT()
// Mark this interface as safe
BEGIN_CATEGORY_MAP(CVideoPreview)
IMPLEMENTED_CATEGORY(CATID_SafeForScripting)
IMPLEMENTED_CATEGORY(CATID_SafeForInitializing)
END_CATEGORY_MAP()
BEGIN_COM_MAP(CVideoPreview)
COM_INTERFACE_ENTRY(IVideoPreview)
COM_INTERFACE_ENTRY(IDispatch)
COM_INTERFACE_ENTRY(IViewObjectEx)
COM_INTERFACE_ENTRY(IViewObject2)
COM_INTERFACE_ENTRY(IViewObject)
COM_INTERFACE_ENTRY(IOleInPlaceObjectWindowless)
COM_INTERFACE_ENTRY(IOleInPlaceObject)
COM_INTERFACE_ENTRY2(IOleWindow, IOleInPlaceObjectWindowless)
COM_INTERFACE_ENTRY(IOleInPlaceActiveObject)
COM_INTERFACE_ENTRY(IOleControl)
COM_INTERFACE_ENTRY(IOleObject)
COM_INTERFACE_ENTRY(IPersistStreamInit)
COM_INTERFACE_ENTRY2(IPersist, IPersistStreamInit)
COM_INTERFACE_ENTRY(ISpecifyPropertyPages)
COM_INTERFACE_ENTRY(IQuickActivate)
COM_INTERFACE_ENTRY(IPersistStorage)
COM_INTERFACE_ENTRY(IDataObject)
COM_INTERFACE_ENTRY(IProvideClassInfo)
COM_INTERFACE_ENTRY(IProvideClassInfo2)
END_COM_MAP()
BEGIN_PROP_MAP(CVideoPreview)
PROP_ENTRY("HWND", DISPID_HWND, CLSID_NULL)
// Example entries
// PROP_ENTRY("Property Description", dispid, clsid)
// PROP_PAGE(CLSID_StockColorPage)
END_PROP_MAP()
BEGIN_MSG_MAP(CVideoPreview)
CHAIN_MSG_MAP(CComControl<CVideoPreview>)
MESSAGE_HANDLER(WM_SIZE, OnSize)
MESSAGE_HANDLER(WM_CREATE,OnCreate)
MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBkgnd)
DEFAULT_REFLECTION_HANDLER()
END_MSG_MAP()
// Handler prototypes:
// LRESULT MessageHandler(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
// LRESULT CommandHandler(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled);
// LRESULT NotifyHandler(int idCtrl, LPNMHDR pnmh, BOOL& bHandled);
// IViewObjectEx
// DECLARE_VIEW_STATUS(VIEWSTATUS_SOLIDBKGND | VIEWSTATUS_OPAQUE)
// IOleInPlaceObject
STDMETHOD(InPlaceDeactivate)();
// IVideoPreview
public:
STDMETHOD(Device)(IUnknown * pDevice);
LRESULT OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnEraseBkgnd(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
HRESULT OnDraw(ATL_DRAWINFO& di)
{
return S_OK;
}
private:
CComPtr<IUnknown> m_pDevice;
CComPtr<IWiaVideo> m_pWiaVideo;
BOOL m_bCreated;
};
#endif //__PREVIEW_H_