Source code of Windows XP (NT5)
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#ifndef _TRSITE_H
#define _TRSITE_H
class CTransitionSite;
class CTransitionSitePropertyBag;
/////////////////////////////////////////////////////////////////////////////
// Typedefs and Structs
/////////////////////////////////////////////////////////////////////////////
enum TransitionEvent // Transition Event type
{
teFirstEvent = 0,
teSiteEnter = teFirstEvent,
tePageEnter,
teSiteExit,
tePageExit,
teNumEvents, // NOTE: Must follow last event!
teUserDefault = teNumEvents
};
struct TRANSITIONINFO // Transition Event information
{
CLSID clsid;
CTransitionSitePropertyBag * pPropBag;
};
struct NAMEVALUE
{
WCHAR * pwszName;
VARIANT varValue;
};
/////////////////////////////////////////////////////////////////////////////
// CTransitionSite
/////////////////////////////////////////////////////////////////////////////
class CTransitionSite : public IViewFilter,
public IViewFilterSite,
public IAdviseSink,
public IDispatch
{
// Construction/Destruction
public:
CTransitionSite(IShellBrowser * pcont);
~CTransitionSite();
HRESULT _SetTransitionInfo(TransitionEvent te, TRANSITIONINFO * pti);
HRESULT _ApplyTransition(BOOL bSiteChange);
HRESULT _StartTransition();
HRESULT _StopTransition();
HRESULT _UpdateEventList();
enum TRSTATE
{
TRSTATE_NONE = 0,
TRSTATE_INITIALIZING = 1,
TRSTATE_STARTPAINTING = 2,
TRSTATE_PAINTING = 3
};
TRSTATE _uState;
IShellView * _psvNew; // Valid only while we are playing
IViewObject * _pvoNew;
BOOL _fViewIsVisible;
HWND _hwndViewNew;
IViewFilter * _pTransition;
IDispatch * _pDispTransition;
DWORD _dwTransitionSink;
// Data
private:
IShellBrowser * _pContainer; // CBaseBrowser container of parent
IViewFilterSite * _pSite;
TRANSITIONINFO * _ptiCurrent;
TRANSITIONINFO _tiEventInfo[teNumEvents];
// Internal methods
private:
HRESULT _LoadTransition();
HRESULT _InitWait();
HRESULT _OnComplete();
// Interfaces
public:
// IUnknown
STDMETHOD(QueryInterface) (REFIID riid, LPVOID * ppv);
STDMETHOD_(ULONG, AddRef) (void);
STDMETHOD_(ULONG, Release) (void);
// IViewFilter
STDMETHOD(SetSource) (IViewFilter *pFilter);
STDMETHOD(GetSource) (IViewFilter **ppFilter);
STDMETHOD(SetSite) (IViewFilterSite *pSink);
STDMETHOD(GetSite) (IViewFilterSite **ppSink);
STDMETHOD(SetPosition) (LPCRECT prc);
STDMETHOD(Draw) (HDC hdc, LPCRECT prc);
STDMETHOD(GetStatusBits) (DWORD *pdwFlags);
// IViewFilterSite
STDMETHOD(GetDC) (LPCRECT prc, DWORD dwFlags, HDC *phdc);
STDMETHOD(ReleaseDC) (HDC hdc);
STDMETHOD(InvalidateRect) (LPCRECT prc, BOOL fErase);
STDMETHOD(InvalidateRgn) (HRGN hrgn, BOOL fErase);
STDMETHOD(OnStatusBitsChange) (DWORD dwFlags);
// IAdviseSink
STDMETHOD_(void, OnDataChange) (FORMATETC * pFormatetc, STGMEDIUM * pStgmed) {}
STDMETHOD_(void, OnViewChange) (DWORD dwAspect, LONG lindex);
STDMETHOD_(void, OnRename) (IMoniker * pmk) {}
STDMETHOD_(void, OnSave) () {}
STDMETHOD_(void, OnClose) () {}
// IDispatch
STDMETHOD(GetTypeInfoCount) (UINT * pctinfo) { return E_NOTIMPL; }
STDMETHOD(GetTypeInfo) (UINT itinfo, LCID lcid, ITypeInfo ** pptinfo) { return E_NOTIMPL; }
STDMETHOD(GetIDsOfNames) (REFIID riid, OLECHAR ** rgszNames, UINT cNames, LCID lcid, DISPID * rgdispid) { return E_NOTIMPL; }
STDMETHOD(Invoke) (DISPID dispidMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS * pdispparams, VARIANT * pvarResult, EXCEPINFO * pexcepinfo, UINT * puArgErr);
};
/////////////////////////////////////////////////////////////////////////////
// CTransitionSitePropertyBag
/////////////////////////////////////////////////////////////////////////////
class CTransitionSitePropertyBag : public IPropertyBag
{
// Construction/Destruction
public:
CTransitionSitePropertyBag();
virtual ~CTransitionSitePropertyBag();
HRESULT _AddProperty(WCHAR * wszPropName, VARIANT * pvarValue);
// Data
protected:
UINT _cRef;
HDPA _hdpaProperties;
// Implementation
protected:
static int _DPA_FreeProperties(LPVOID pv, LPVOID pData);
// Interfaces
public:
// IUnknown
STDMETHOD(QueryInterface) (REFIID riid, LPVOID * ppv);
STDMETHOD_(ULONG, AddRef) (void);
STDMETHOD_(ULONG, Release) (void);
// IPropertyBag
STDMETHOD(Read) (LPCOLESTR pszPropName, VARIANT * pVar, IErrorLog * pErrorLog);
STDMETHOD(Write)(LPCOLESTR pszPropName, VARIANT * pVar)
{ return E_NOTIMPL; }
};
/////////////////////////////////////////////////////////////////////////////
// Helper functions
/////////////////////////////////////////////////////////////////////////////
HRESULT CLSIDFromTransitionName(LPCTSTR pszName, LPCLSID clsidName);
BOOL ParseTransitionInfo(WCHAR * pwz, TRANSITIONINFO * pti);
#define ISSPACE(ch) (((ch) == 32) || ((unsigned)((ch) - 9)) <= 13 - 9)
#endif // _TRSITE_H