275 lines
6.8 KiB
C++
275 lines
6.8 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 - 1993.
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//
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// File: objact.hxx
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//
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// Contents: Common definitions for object activation.
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//
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// Classes: XIUnknown
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// XIPersistStorage
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// XIPersistFile
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// XIStorage
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//
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// History: 12-May-93 Ricksa Created
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// 31-Dec-93 ErikGav Chicago port
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//
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//--------------------------------------------------------------------------
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#ifndef __OBJACT_HXX__
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#define __OBJACT_HXX__
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#include <safepnt.hxx>
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#include <xmit.hxx>
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#include <tracelog.hxx>
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#include "dllcache.hxx"
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#include "resolver.hxx"
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// Constants used during attempt to get the class of an object
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#define GET_CLASS_RETRY_SLEEP_MS 250
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#define GET_CLASS_RETRY_MAX 3
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// Global cache of Inprocess server DLLs
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extern CDllCache gdllcacheInprocSrv;
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// Global cache of handler DLLs
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extern CDllCache gdllcacheHandler;
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// Global object for talking to SCM
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extern CRpcResolver gResolver;
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// Helper function that creates an object
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HRESULT CreateObjectHelper(
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IClassFactory *pcf,
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DWORD grfMode,
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WCHAR *pwszCreateFrom,
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IStorage *pstgCreateFrom,
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WCHAR *pwszNewName,
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IUnknown **ppunk);
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// Helper function that activates an object
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HRESULT GetObjectHelper(
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IClassFactory *pcf,
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DWORD grfMode,
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WCHAR *pwszName,
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IStorage *pstg,
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InterfaceData **pIFD,
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IUnknown **ppunk);
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// Helper function for marshaling an object
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HRESULT MarshalHelper(
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IUnknown *punk,
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REFIID riid,
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DWORD mshlflags,
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InterfaceData **pIFD);
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#ifdef DCOM
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HRESULT UnMarshalHelper(
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MInterfacePointer *pIFP,
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REFIID riid,
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void **ppv);
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// Helper function that activates an object
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HRESULT GetObjectHelperMulti(
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IClassFactory *pcf,
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DWORD grfMode,
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IUnknown * punkOuter,
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WCHAR *pwszName,
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IStorage *pstg,
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DWORD dwInterfaces,
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IID * pIIDs,
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MInterfacePointer **pIFDArray,
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HRESULT * pResultsArray,
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MULTI_QI *pResults);
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HRESULT GetInstanceHelperMulti(
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IClassFactory *pcf,
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DWORD dwInterfaces,
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IID * pIIDs,
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MInterfacePointer **ppIFDArray,
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HRESULT * pResultsArray,
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IUnknown **ppunk);
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// Helper function for marshaling an object
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HRESULT MarshalHelperMulti(
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IUnknown *punk,
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DWORD dwInterfaces,
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IID * pIIDs,
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MInterfacePointer **pIFDArray,
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HRESULT * pResultsArray);
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HRESULT GetInstanceHelper(
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COSERVERINFO * pServerInfo,
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CLSID * pclsidOverride,
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IUnknown * punkOuter, // only relevant locally
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DWORD dwClsCtx,
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DWORD grfMode,
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OLECHAR * pwszName,
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struct IStorage * pstg,
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DWORD dwCount,
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MULTI_QI * pResults );
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#endif // DCOM
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// Get object from the ROT by its path
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HRESULT GetObjectByPath(WCHAR *pwszName, void **ppvUnk, REFIID riid);
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// Remap CLSCTX so that the correct type of inproc server will be requested.
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DWORD RemapClassCtxForInProcServer(DWORD dwCtrl);
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// Verify that a 32 bit Handler DLL is being returned to the right context
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HRESULT CheckScmHandlerResult(WCHAR *pwszDllToLoad);
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// Checks if the given clsid is an internal class, and
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// bypasses the TreatAs and SCM lookup if so. Also checks for
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// OLE 1.0 classes, which are actually considered to be
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// internal, since their OLE 2.0 implementation wrapper is
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// ours.
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BOOL IsInternalCLSID(REFCLSID rclsid,
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REFIID riid,
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HRESULT &hr,
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void ** ppvClassObj);
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// Helper for unmarshaling an interface from remote
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HRESULT DoUnmarshal(InterfaceData *pIFD, REFIID riid, void **ppvUnk);
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// Routine for cleaning out unused DLLs
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HRESULT CallFreeUnused(void);
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//+-------------------------------------------------------------------------
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//
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// Function: OnMainThread
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//
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// Synopsis: Determine whether we are on the main thread or not
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//
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// History: 10-Nov-94 Ricksa Created
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//
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//--------------------------------------------------------------------------
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inline BOOL OnMainThread(void)
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{
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return (GetCurrentThreadId() == gdwMainThreadId);
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}
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// Helper routine to find clsid in cache or load inproc if requested and
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// found
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IUnknown *SearchCacheOrLoadInProc(REFCLSID rclsid,
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REFIID riid,
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BOOL fRemote,
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BOOL fForSCM,
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DWORD dwContext,
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DWORD dwDllServerType,
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HRESULT &hr);
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#ifndef _CAIRO_
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# ifdef CAIROLE_NT1X_DIST
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HRESULT ProcessPath(
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WCHAR *pwszPathIn,
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WCHAR **ppwszPathOut,
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WCHAR **ppwszServer);
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# else
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// BUGBUG: This inline routine exists to make the code less messy and is
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// a very fast way to replace the Cairo code processing. We may want to
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// fix the code some better way in the long run.
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inline HRESULT ProcessPath(
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WCHAR *pwszPathIn,
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WCHAR **ppwszPathOut,
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WCHAR **ppwszServer)
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{
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*ppwszPathOut = pwszPathIn;
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if (ppwszServer)
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{
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# ifdef _CHICAGO_
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// BUGBUG - We & RPC need to agree on the right local name - take it
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// from the registry?
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*ppwszServer = L"local";
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# else
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*ppwszServer = NULL;
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# endif
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}
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return S_OK;
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}
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# endif // CAIROLE_NT1X_DIST
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#else
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HRESULT ProcessPath(
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WCHAR *pwszPathIn,
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WCHAR **ppwszPathOut,
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WCHAR **ppwszServer);
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#endif // _CAIRO_
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//+-------------------------------------------------------------------------
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//
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// Class: XIUnknown
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//
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// Purpose: Smart pointer for IUnknown interface
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//
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// Interface: see common\ih\safepnt.hxx
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//
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// History: 12-May-93 Ricksa Created
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//
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//--------------------------------------------------------------------------
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SAFE_INTERFACE_PTR(XIUnknown, IUnknown)
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//+-------------------------------------------------------------------------
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//
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// Class: XIPersistStorage
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//
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// Purpose: Smart pointer for IPersistStorage interface
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//
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// Interface: see common\ih\safepnt.hxx
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//
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// History: 12-May-93 Ricksa Created
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//
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//--------------------------------------------------------------------------
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SAFE_INTERFACE_PTR(XIPersistStorage, IPersistStorage)
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//+-------------------------------------------------------------------------
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//
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// Class: XIPersistFile
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//
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// Purpose: Smart pointer for IPersistFile interface
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//
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// Interface: see common\ih\safepnt.hxx
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//
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// History: 12-May-93 Ricksa Created
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//
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//--------------------------------------------------------------------------
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SAFE_INTERFACE_PTR(XIPersistFile, IPersistFile)
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//+-------------------------------------------------------------------------
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//
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// Class: XIStorage
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//
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// Purpose: Smart pointer for IStorage interface
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//
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// Interface: see common\ih\safepnt.hxx
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//
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// History: 12-May-93 Ricksa Created
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//
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//--------------------------------------------------------------------------
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SAFE_INTERFACE_PTR(XIStorage, IStorage)
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#endif // __OBJACT_HXX__
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