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90 lines
3.0 KiB
90 lines
3.0 KiB
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1997 - 1999
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//
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// File: cobjsaf.h
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//
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//--------------------------------------------------------------------------
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#ifndef __COBJSAF_H
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#define __COBJSAF_H
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#include "objsafe.h"
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#include "comcat.h"
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// This class provides a simple implementation for IObjectSafety for
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// for object that are either always safe or always unsafe for scripting
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// and/or initializing with persistent data.
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//
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// The constructor takes an IUnknown interface on an outer object and delegates
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// all IUnknown calls through that object. Because of this, the object must
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// be explicitly destroyed using C++ (rather than COM) mechanisms, either by
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// using "delete" or by making the object an embedded member of some other class.
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//
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// The constructor also takes two booleans telling whether the object is safe
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// for scripting and initializing from persistent data.
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#if 0
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class CObjectSafety : public IObjectSafety
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{
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public:
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CObjectSafety::CObjectSafety
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(
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IUnknown *punkOuter, // outer (controlling object)
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BOOL fSafeForScripting = TRUE, // whether the object is safe for scripting
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BOOL fSafeForInitializing = TRUE // whether the object is safe for initializing
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)
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{
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m_punkOuter = punkOuter;
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m_fSafeForScripting = fSafeForScripting;
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m_fSafeForInitializing = fSafeForInitializing;
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}
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// Delegating versions of IUnknown functions
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STDMETHODIMP_(ULONG) AddRef() {
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return m_punkOuter->AddRef();
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}
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STDMETHODIMP_(ULONG) Release() {
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return m_punkOuter->Release();
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}
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STDMETHODIMP QueryInterface(REFIID iid, LPVOID* ppv) {
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return m_punkOuter->QueryInterface(iid, ppv);
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}
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// Return the interface setting options on this object
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STDMETHODIMP GetInterfaceSafetyOptions(
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/*IN */ REFIID iid, // Interface that we want options for
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/*OUT*/ DWORD * pdwSupportedOptions, // Options meaningful on this interface
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/*OUT*/ DWORD * pdwEnabledOptions) // current option values on this interface
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;
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// Attempt to set the interface setting options on this object.
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// Since these are assumed to be fixed, we basically just check
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// that the attempted settings are valid.
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STDMETHODIMP SetInterfaceSafetyOptions(
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/*IN */ REFIID iid, // Interface to set options for
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/*IN */ DWORD dwOptionsSetMask, // Options to change
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/*IN */ DWORD dwEnabledOptions) // New option values
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;
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protected:
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IUnknown *m_punkOuter;
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BOOL m_fSafeForScripting;
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BOOL m_fSafeForInitializing;
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};
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// Helper function to create a component category and associated description
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HRESULT CreateComponentCategory(CATID catid, WCHAR* catDescription);
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#endif
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// Helper function to register a CLSID as belonging to a component category
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HRESULT RegisterCLSIDInCategory(REFCLSID clsid, CATID catid);
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// Helper function to unregister a CLSID as belonging to a component category
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HRESULT UnRegisterCLSIDInCategory(REFCLSID clsid, CATID catid);
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#endif
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