зеркало из https://github.com/mozilla/pjs.git
97 строки
3.4 KiB
C++
97 строки
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef __DllCommon_H
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#define __DllCommon_H
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// Common dll code to be compiled to library form, and then
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// used as a framework by other windows dlls which support
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// both 16 and 32 bits through a COM interface.
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#include "dlltypes.h"
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#include "dlldbg.h"
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#include "dlliface.h"
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#include "dllmem.h"
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#include "dlltask.h"
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#include "dllref.h"
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#include "dllobj.h"
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#include "dllutil.h"
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// End consumer must derive from this class and implement the
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// abstract/virtual interfaces.
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// Please note that a CComDll derived class will self destruct
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// once it detects that no more instance data is at hand (no
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// CComClass instances for this CComDll are in existence).
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class CComDll : public IUnknown {
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private:
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CProcessEntry *m_pEntry;
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public:
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CComDll();
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virtual ~CComDll();
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// Had to break down and track the module for resources and
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// path resolution situations.
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// Static is OK, as on 16 bits, the DLL will continue to
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// have the same module handle no matter how many
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// different EXEs are looking at it.
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public:
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static HINSTANCE m_hInstance;
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static HINSTANCE GetInstanceHandle();
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// Reference counting is done on a per COM object basis in
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// the instance data.
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// You must derive your COM related classes from
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// CComClass as they know how to properly utilize
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// the following functions of the CComDll instance.
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private:
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DWORD m_ulCount;
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public:
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STDMETHODIMP QueryInterface(REFIID iid, void **ppObj);
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STDMETHODIMP_(DWORD) AddRef();
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STDMETHODIMP_(DWORD) Release();
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public:
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// Provide way to get the module name.
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DWORD GetModuleFileName(char *pOutName, size_t stOutSize, BOOL bFullPath = FALSE);
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public:
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// Consumer implementation of DllGetClassObject per DLL
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// task instance.
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virtual HRESULT GetClassObject(REFCLSID rClsid, REFIID rIid, LPVOID *ppObj) = 0;
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// Consumer implemenation of Dll[Un]RegisterServer to
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// write / delete CLSIDs for objects it implements.
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// No need to override unless you need to do more than
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// base implementation.
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virtual HRESULT RegisterServer();
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virtual HRESULT UnregisterServer();
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// Needed by RegisterServer and UnregisterServer.
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// Simply return an array of CLSIDs, terminated by a
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// null.
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// Must return an allocated buffer which must be freed by the
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// caller.
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virtual const CLSID **GetCLSIDs() = 0;
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#ifdef DLL_DEBUG
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public:
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// Mainly needed to distinguish trace output.
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// Set to your own string when you need to.
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static const char *m_pTraceID;
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#endif
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};
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#endif // __DllCommon_H
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