324 lines
12 KiB
C
324 lines
12 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: defhndlr.h
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//
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// Contents: class declaration for the default handler
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//
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// Classes: CDefObject
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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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//
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// 11-17-95 JohannP (Johann Posch) Architectural change:
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// Default handler will talk to a handler object
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// on the server site (ServerHandler). The serverhandler
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// communicates with the default handler via the
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// clientsitehandler. See document: "The Ole Server Handler".
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//
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// 06-Sep-95 davidwor removed SetHostNames atoms and replaced with
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// m_pHostNames and m_ibCntrObj members
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// 01-Feb-95 t-ScottH added Dump method to CDefObject
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// added DHFlag to indicate aggregation
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// (_DEBUG only)
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// changed private member from IOleAdviseHolder *
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// to COAHolder * (it is what we instantiate)
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// 15-Nov-94 alexgo optimized, removed 16bit burfiness
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// (nested classes and multiple BOOLs)
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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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// 02-Nov-93 alexgo 32bit port
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//
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//--------------------------------------------------------------------------
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#include <utils.h>
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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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#ifdef SERVER_HANDLER
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#include <srvhdl.h>
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class CEmbServerWrapper;
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#endif SERVER_HANDLER
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// default handler flags
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typedef enum tagDHFlags
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{
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DH_SAME_AS_LOAD = 0x0001,
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DH_CONTAINED_OBJECT = 0x0002, // indicates an embedding
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DH_LOCKED_CONTAINER = 0x0004,
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DH_FORCED_RUNNING = 0x0008,
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DH_EMBEDDING = 0x0010, // link or an embedding?
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DH_INIT_NEW = 0x0020,
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DH_STATIC = 0x0040,
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DH_INPROC_HANDLER = 0x0080,
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DH_DELAY_CREATE = 0x0100,
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DH_COM_OUTEROBJECT = 0x0200,
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DH_UNMARSHALED = 0x0400,
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DH_CLEANEDUP = 0x0800,
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DH_OLE1SERVER = 0x1000,
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DH_APICREATE = 0x2000,
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#ifdef _DEBUG
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DH_AGGREGATED = 0x00010000,
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DH_LOCKFAILED = 0x00020000,
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DH_WILLUNLOCK = 0x00040000
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#endif // _DEBUG
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} DHFlags;
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//+-------------------------------------------------------------------------
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//
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// Class: CDefObject
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//
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// Purpose: The default handler class. The object acts as a surrogate,
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// or handler for an out-of-process server exe.
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//
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// Interface: The default handler implements
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// IDataObject
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// IOleObject
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// IPersistStorage
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// IRunnableObject
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// IExternalConnection
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// IAdviseSink
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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 (_DEBUG only)
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// 15-Nov-94 alexgo memory optimization
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// 02-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 CDefObject : public CRefExportCount, public IDataObject,
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public IOleObject, public IPersistStorage, public IRunnableObject,
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public IExternalConnection, public CThreadCheck
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{
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public:
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static IUnknown *Create (IUnknown *pUnkOuter,
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REFCLSID clsidClass, DWORD flags, IClassFactory *pCF);
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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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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, BOOL fRelease);
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STDMETHOD(EnumFormatEtc) ( DWORD dwDirection,
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LPENUMFORMATETC FAR* ppenumFormatEtc);
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STDMETHOD(DAdvise) ( FORMATETC FAR* pFormatetc, DWORD advf,
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IAdviseSink FAR* pAdvSink,
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DWORD FAR* pdwConnection);
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STDMETHOD(DUnadvise) ( DWORD dwConnection);
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STDMETHOD(EnumDAdvise) ( LPENUMSTATDATA FAR* ppenumAdvise);
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// IOleObject methods
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INTERNAL_(IOleObject *)GetOleDelegate();
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STDMETHOD(SetClientSite) ( LPOLECLIENTSITE pClientSite);
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STDMETHOD(GetClientSite) ( LPOLECLIENTSITE FAR* 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 FAR* 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 FAR* 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 FAR* lprcPosRect);
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STDMETHOD(EnumVerbs) ( IEnumOLEVERB FAR* FAR* ppenumOleVerb);
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STDMETHOD(Update) (void);
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STDMETHOD(IsUpToDate) (void);
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STDMETHOD(GetUserClassID) ( CLSID FAR* pClsid);
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STDMETHOD(GetUserType) ( DWORD dwFormOfType,
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LPOLESTR FAR* 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 FAR* pdwConnection);
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STDMETHOD(Unadvise)( DWORD dwConnection);
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STDMETHOD(EnumAdvise) ( LPENUMSTATDATA FAR* ppenumAdvise);
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STDMETHOD(GetMiscStatus) ( DWORD dwAspect,
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DWORD FAR* pdwStatus);
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STDMETHOD(SetColorScheme) ( LPLOGPALETTE lpLogpal);
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// IPeristStorage methods
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INTERNAL_(IPersistStorage *) GetPSDelegate(void);
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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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// IRunnable Object methods
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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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INTERNAL Stop(void);
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// IExternalConnection methods
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STDMETHOD_(DWORD, AddConnection) (THIS_ DWORD extconn,
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DWORD reserved);
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STDMETHOD_(DWORD, ReleaseConnection) (THIS_ DWORD extconn,
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DWORD reserved, BOOL fLastReleaseCloses);
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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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// IUnknown methods
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STDMETHOD(QueryInterface) ( REFIID iid, LPVOID FAR* 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 FAR* pFormatetc,
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STGMEDIUM FAR* pStgmed);
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STDMETHOD_(void,OnViewChange)( DWORD aspects, LONG lindex);
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STDMETHOD_(void,OnRename)( IMoniker FAR* 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 CDefObject 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_defobject);
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#endif // _DEBUG
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private:
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CDefObject (IUnknown *pUnkOuter);
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virtual ~CDefObject (void);
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virtual void CleanupFn(void);
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INTERNAL_(ULONG) CheckDelete(ULONG ulRet);
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INTERNAL GetClassBits(CLSID FAR* pClsidBits);
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INTERNAL CreateDelegate(void);
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INTERNAL DoConversionIfSpecialClass(LPSTORAGE pstg);
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// Member Variables for Server Handler.
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#ifdef SERVER_HANDLER
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CEmbServerWrapper* m_pEmbSrvHndlrWrapper; // Pointer to local wrapping interface.
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HRESULT m_hresultClsidUser; // hresult from call to GetUserClassID
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HRESULT m_hresultContentMiscStatus; // hresult from Call to GetMiscStatus for DVASPECT_CONTENT
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CLSID m_clsidUser; // clsid returned by GetUserClassID
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DWORD m_ContentMiscStatusUser; // MiscStatus returned be GetMiscStatus for DVASPECT_CONTENT
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// Todo: Move to EmbServerWrapper
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IOleClientSite * m_pRunClientSite; // ClientSite used when Run was Called.
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#endif // SERVER_HANDLER
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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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IOleObject * m_pOleDelegate;
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IDataObject * m_pDataDelegate;
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IPersistStorage * m_pPSDelegate;
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DWORD m_cConnections;
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IUnknown * m_pUnkOuter;
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CLSID m_clsidServer; // clsid of app we will run
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CLSID m_clsidBits; // clsid of bits on disk;
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// NULL init
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DWORD m_flags; // handler flags
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DWORD m_dwObjFlags; // OBJFLAGS of OLESTREAM
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IClassFactory * m_pCFDelegate; // only set if delayed create
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IUnknown * m_pUnkDelegate;
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IProxyManager * m_pProxyMgr;
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// m_fForcedRunning indicates that the container forced the object
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// running via ::Run or DoVerb. Handlers (EMBDHLP_INPROC_HANDLER) can
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// can go running implicitly via marshaling (usually via moniker bind)
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// and thus we actually use pProxyMgr->IsConnected to answer IsRunning.
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// Distinguishes between embeddings and links. We cannot use
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// m_pStg because it gets set to NULL in HandsOffStorage.
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// data cache
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COleCache * m_pCOleCache; // pointer to COleCache
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// ole advise info
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COAHolder * m_pOAHolder;
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DWORD m_dwConnOle; // if not 0L, ole advise conn.
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// info passed to server on run
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IOleClientSite * m_pAppClientSite;
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IStorage * m_pStg; // may be NULL
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char * m_pHostNames; // store both host name strings
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DWORD m_ibCntrObj; // offset into m_pHostNames
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LPDATAADVCACHE m_pDataAdvCache;
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};
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