97 lines
3.1 KiB
C++
97 lines
3.1 KiB
C++
/*
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* Copyright (c) 1999-2004 Sourceforge JACOB Project.
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* All rights reserved. Originator: Dan Adler (http://danadler.com).
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* Get more information about JACOB at www.sourceforge.net/jacob-project
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <jni.h>
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#include <windows.h>
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#include <objbase.h>
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#include <oleauto.h>
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#include <olectl.h>
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#include "stdafx.h"
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#include "util.h"
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/*
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* An instance of this class stands between a connection point
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* and a java object. When it gets invoked from the cp, it reflects
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* the call into the java object dynamically. The eventIID is passed
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* in as are the valid dispids and the corresponding names. A map
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* is created between the dispids and the java object's method in
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* the constructor. For now, all the java event methods have to have
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* the same signature: <name>(Variant[])
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*/
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class EventProxy : public IDispatch
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{
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private:
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LONG m_cRef; // a reference counter
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CComPtr<IConnectionPoint> pCP; // the connection point
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DWORD dwEventCookie; // connection point cookie
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jobject javaSinkObj; // the java object to delegate calls
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IID eventIID; // the interface iid passed in
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int MethNum; // number of methods in the callback interface
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CComBSTR *MethName; // Array of method names
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DISPID *MethID; // Array of method ids, used to match invokations to method names
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JavaVM *jvm; // The java vm we are running
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public:
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// constuct with a global JNI ref to a sink object
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// to which we will delegate event callbacks
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EventProxy(JNIEnv *jenv,
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jobject aSinkObj,
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CComPtr<IConnectionPoint> pConn,
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IID eventIID,
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CComBSTR *mName,
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DISPID *mID,
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int mNum);
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~EventProxy();
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// IUnknown methods
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STDMETHODIMP_(ULONG) AddRef(void)
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{
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return InterlockedIncrement(&m_cRef);
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}
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STDMETHODIMP_(ULONG) Release(void)
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{
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LONG res = InterlockedDecrement(&m_cRef);
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if (res == 0) {
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delete this;
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}
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return res;
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}
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STDMETHODIMP QueryInterface(REFIID rid, void **ppv);
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// IDispatch methods
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STDMETHODIMP GetTypeInfoCount(UINT *num)
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{
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*num = 0;
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return S_OK;
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}
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STDMETHODIMP GetTypeInfo(UINT, LCID, ITypeInfo **pptInfo)
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{
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*pptInfo=NULL;
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return E_NOTIMPL;
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}
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// These are the actual supported methods
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STDMETHODIMP GetIDsOfNames(REFIID, OLECHAR **, UINT, LCID , DISPID *);
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STDMETHODIMP Invoke(DISPID, REFIID, LCID, WORD , DISPPARAMS *, VARIANT *, EXCEPINFO *, UINT *);
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};
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