311 lines
10 KiB
C
311 lines
10 KiB
C
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1996.
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//
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// File: deflink.h
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//
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// Contents: Declares the default link object
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//
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// Classes: CDefLink
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//
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// Functions:
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//
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// History: dd-mmm-yy Author Comment
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// 01-Feb-95 t-ScottH added Dump method to CDefLink
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// added DLFlag to indicate if aggregated
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// (in _DEBUG only)
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// 21-Nov-94 alexgo memory optimization
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// 25-Jan-94 alexgo first pass at converting to Cairo-style
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// memory allocations.
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// 13-Nov-93 alexgo 32bit port
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//
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//--------------------------------------------------------------------------
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#include "olepres.h"
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#include "olecache.h"
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#include "dacache.h"
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#include <oaholder.h>
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typedef enum tagDLFlags
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{
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DL_SAME_AS_LOAD = 0x0001,
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DL_NO_SCRIBBLE_MODE = 0x0002,
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DL_DIRTY_LINK = 0x0004,
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DL_LOCKED_CONTAINER = 0x0008,
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DL_LOCKED_RUNNABLEOBJECT = 0x0010,
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DL_LOCKED_OLEITEMCONTAINER = 0x0020,
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DL_CLEANEDUP = 0x0040,
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#ifdef _DEBUG
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DL_AGGREGATED = 0x10000
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#endif // _DEBUG
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} DLFlags;
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//+-------------------------------------------------------------------------
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//
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// Class: CDefLink
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//
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// Purpose: The "embedding" for a link; the default object that implements
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// a link connection
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//
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// Interface: IUnknown
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// IDataObject
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// IOleObject
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// IOleLink
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// IRunnableObject
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// IAdviseSink
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// IPersistStorage
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//
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// History: dd-mmm-yy Author Comment
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// 01-Feb-95 t-ScottH add Dump method (_DEBUG only)
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// 21-Nov-94 alexgo memory optimization
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// 13-Nov-93 alexgo 32bit port
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//
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// Notes:
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//
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//--------------------------------------------------------------------------
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class FAR CDefLink : public CRefExportCount, public IDataObject,
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public IOleObject, public IOleLink, public IRunnableObject,
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public IPersistStorage, public CThreadCheck
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{
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public:
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static IUnknown FAR* Create(IUnknown FAR* pUnkOuter);
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class CPrivUnknown : public IUnknown
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{
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public:
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STDMETHOD(QueryInterface) ( REFIID riid, LPVOID FAR* ppvObj);
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STDMETHOD_(ULONG,AddRef) (void);
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STDMETHOD_(ULONG,Release) (void);
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};
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friend class CPrivUnknown;
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CPrivUnknown m_Unknown;
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// IUnknown methods
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STDMETHOD(QueryInterface) ( REFIID riid, LPVOID FAR* ppvObj);
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STDMETHOD_(ULONG,AddRef) (void);
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STDMETHOD_(ULONG,Release) (void);
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// IDataObject methods
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INTERNAL_(IDataObject *) GetDataDelegate(void);
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INTERNAL_(void) ReleaseDataDelegate(void);
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STDMETHOD(GetData) ( LPFORMATETC pformatetcIn,
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LPSTGMEDIUM pmedium );
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STDMETHOD(GetDataHere) ( LPFORMATETC pformatetc,
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LPSTGMEDIUM pmedium );
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STDMETHOD(QueryGetData) ( LPFORMATETC pformatetc );
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STDMETHOD(GetCanonicalFormatEtc) ( LPFORMATETC pformatetc,
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LPFORMATETC pformatetcOut);
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STDMETHOD(SetData) ( LPFORMATETC pformatetc,
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LPSTGMEDIUM pmedium,
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BOOL fRelease);
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STDMETHOD(EnumFormatEtc) ( DWORD dwDirection,
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LPENUMFORMATETC *ppenumFormatEtc);
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STDMETHOD(DAdvise) ( FORMATETC *pFormatetc, DWORD advf,
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IAdviseSink *pAdvSink,
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DWORD *pdwConnection);
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STDMETHOD(DUnadvise) ( DWORD dwConnection);
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STDMETHOD(EnumDAdvise) ( LPENUMSTATDATA *ppenumAdvise);
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// IOleObject methods
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INTERNAL_(IOleObject FAR*) GetOleDelegate(void);
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INTERNAL_(void) ReleaseOleDelegate(void);
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// *** IOleObject methods ***
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STDMETHOD(SetClientSite)(LPOLECLIENTSITE pClientSite);
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STDMETHOD(GetClientSite)(LPOLECLIENTSITE *ppClientSite);
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STDMETHOD(SetHostNames)(LPCOLESTR szContainerApp,
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LPCOLESTR szContainerObj);
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STDMETHOD(Close) ( DWORD reserved);
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STDMETHOD(SetMoniker) ( DWORD dwWhichMoniker, LPMONIKER pmk);
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STDMETHOD(GetMoniker) ( DWORD dwAssign, DWORD dwWhichMoniker,
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LPMONIKER *ppmk);
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STDMETHOD(InitFromData) ( LPDATAOBJECT pDataObject,
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BOOL fCreation,
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DWORD dwReserved);
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STDMETHOD(GetClipboardData) ( DWORD dwReserved,
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LPDATAOBJECT *ppDataObject);
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STDMETHOD(DoVerb) ( LONG iVerb,
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LPMSG lpmsg,
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LPOLECLIENTSITE pActiveSite,
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LONG lindex,
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HWND hwndParent,
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const RECT *lprcPosRect);
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STDMETHOD(EnumVerbs) ( IEnumOLEVERB **ppenumOleVerb);
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STDMETHOD(Update) (void);
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STDMETHOD(IsUpToDate) (void);
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STDMETHOD(GetUserClassID) ( CLSID *pClsid);
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STDMETHOD(GetUserType) ( DWORD dwFormOfType,
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LPOLESTR *pszUserType);
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STDMETHOD(SetExtent) ( DWORD dwDrawAspect, LPSIZEL lpsizel);
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STDMETHOD(GetExtent) ( DWORD dwDrawAspect, LPSIZEL lpsizel);
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STDMETHOD(Advise)(IAdviseSink FAR* pAdvSink,
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DWORD *pdwConnection);
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STDMETHOD(Unadvise)( DWORD dwConnection);
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STDMETHOD(EnumAdvise) ( LPENUMSTATDATA *ppenumAdvise);
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STDMETHOD(GetMiscStatus) ( DWORD dwAspect,
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DWORD *pdwStatus);
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STDMETHOD(SetColorScheme) ( LPLOGPALETTE lpLogpal);
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// IOleLink methods
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STDMETHOD(SetUpdateOptions) ( DWORD dwUpdateOpt);
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STDMETHOD(GetUpdateOptions) ( LPDWORD pdwUpdateOpt);
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STDMETHOD(SetSourceMoniker) ( LPMONIKER pmk, REFCLSID rclsid);
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STDMETHOD(GetSourceMoniker) ( LPMONIKER *ppmk);
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STDMETHOD(SetSourceDisplayName) ( LPCOLESTR lpszStatusText);
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STDMETHOD(GetSourceDisplayName) (
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LPOLESTR *lplpszDisplayName);
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STDMETHOD(BindToSource) ( DWORD bindflags, LPBINDCTX pbc);
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STDMETHOD(BindIfRunning) (void);
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STDMETHOD(GetBoundSource) ( LPUNKNOWN *pUnk);
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STDMETHOD(UnbindSource) (void);
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STDMETHOD(Update) ( LPBINDCTX pbc);
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// IRunnableObject methods
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INTERNAL_(IRunnableObject FAR*) GetRODelegate(void);
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INTERNAL_(void) ReleaseRODelegate(void);
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STDMETHOD(GetRunningClass) (LPCLSID lpClsid);
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STDMETHOD(Run) (LPBINDCTX pbc);
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STDMETHOD_(BOOL,IsRunning) (void);
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STDMETHOD(LockRunning)(BOOL fLock, BOOL fLastUnlockCloses);
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STDMETHOD(SetContainedObject)(BOOL fContained);
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// IPersistStorage methods
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STDMETHOD(GetClassID) ( LPCLSID pClassID);
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STDMETHOD(IsDirty) (void);
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STDMETHOD(InitNew) ( LPSTORAGE pstg);
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STDMETHOD(Load) ( LPSTORAGE pstg);
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STDMETHOD(Save) ( LPSTORAGE pstgSave, BOOL fSameAsLoad);
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STDMETHOD(SaveCompleted) ( LPSTORAGE pstgNew);
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STDMETHOD(HandsOffStorage) ( void);
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// will really check to see if the server is still
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// running and do appropriate cleanups if we have
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// crashed
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STDMETHOD_(BOOL, IsReallyRunning)(void);
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// NOTE: the advise sink has a separate controlling unknown from the
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// other interfaces; the lifetime of the memory for this implementation
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// is still the same as the default handler. The ramifications of
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// this are that when the default handler goes away it must make sure
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// that all pointers back to the sink are released; see the special
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// code in the dtor of the default handler.
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class CAdvSinkImpl : public IAdviseSink
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{
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public:
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STDMETHOD(QueryInterface) ( REFIID iid, LPVOID *ppvObj);
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STDMETHOD_(ULONG,AddRef) (void);
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STDMETHOD_(ULONG,Release) (void);
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// *** IAdviseSink methods ***
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STDMETHOD_(void,OnDataChange)( FORMATETC *pFormatetc,
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STGMEDIUM *pStgmed);
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STDMETHOD_(void,OnViewChange)( DWORD aspects, LONG lindex);
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STDMETHOD_(void,OnRename)( IMoniker *pmk);
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STDMETHOD_(void,OnSave)(void);
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STDMETHOD_(void,OnClose)(void);
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};
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friend class CAdvSinkImpl;
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CAdvSinkImpl m_AdviseSink;
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#ifdef _DEBUG
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HRESULT Dump(char **ppszDump, ULONG ulFlag, int nIndentLevel);
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// need to be able to access CDefLink private data members in the
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// following debugger extension APIs
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// this allows the debugger extension APIs to copy memory from the
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// debuggee process memory to the debugger's process memory
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// this is required since the Dump method follows pointers to other
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// structures and classes
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friend DEBUG_EXTENSION_API(dump_deflink);
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#endif // _DEBUG
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private:
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CDefLink( IUnknown *pUnkOuter);
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virtual void CleanupFn(void);
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~CDefLink (void);
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INTERNAL_(void) UpdateUserClassID();
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INTERNAL_(void) BeginUpdates(void);
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INTERNAL_(void) EndUpdates(void);
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INTERNAL_(void) UpdateAutoOnSave(void);
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INTERNAL_(void) UpdateRelMkFromAbsMk(IMoniker *pmkContainer);
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INTERNAL UpdateMksFromAbs(IMoniker *pmkContainer, IMoniker *pmkAbs);
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INTERNAL GetAbsMkFromRel(LPMONIKER *ppmkAbs, IMoniker **ppmkContainer );
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INTERNAL SetUpdateTimes( void );
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#ifdef _TRACKLINK_
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INTERNAL EnableTracking( IMoniker * pmk, ULONG ulFlags );
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#endif
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INTERNAL_(IOleItemContainer FAR*) GetOleItemContainerDelegate(void);
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INTERNAL_(void) ReleaseOleItemContainerDelegate(void);
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INTERNAL_(void) CheckDelete(void);
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DWORD m_flags; // DLFlags enumeration
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DWORD m_dwObjFlags; // OBJFLAGS of the OLESTREAM
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IDataObject * m_pDataDelegate;
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IOleObject * m_pOleDelegate;
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IRunnableObject * m_pRODelegate;
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IOleItemContainer * m_pOleItemContainerDelegate;
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// Member variables for caching MiscStatus bits
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HRESULT m_ContentSRVMSHResult;
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DWORD m_ContentSRVMSBits;
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HRESULT m_ContentREGMSHResult;
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DWORD m_ContentREGMSBits;
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ULONG m_cRefsOnLink;
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IUnknown * m_pUnkOuter;
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IMoniker * m_pMonikerAbs; // THE absolute moniker
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// of the link source
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IMoniker * m_pMonikerRel; // THE relative moniker
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// of the link source
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IUnknown * m_pUnkDelegate; // from mk bind; non-null
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// if running
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DWORD m_dwUpdateOpt;
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CLSID m_clsid; // last known clsid of
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// link source;
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// NOTE: may be NULL
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IStorage * m_pStg;
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// data cache
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COleCache * m_pCOleCache; // cache (always non-NULL)
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// ole advise info
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COAHolder * m_pCOAHolder; // OleAdviseHolder
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DWORD m_dwConnOle; // if running, ole advise conn.
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LPDATAADVCACHE m_pDataAdvCache;// data advise cache
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IOleClientSite * m_pAppClientSite;// not passed to server!
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DWORD m_dwConnTime; // dwConnection for time
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// changes
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FILETIME m_ltChangeOfUpdate;
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FILETIME m_ltKnownUpToDate;
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FILETIME m_rtUpdate;
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};
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