reactos/dll/win32/browseui/newatlinterfaces.h

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/*
* ReactOS Explorer
*
* Copyright 2009 Andrew Hill <ash77 at domain reactos.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#pragma once
template<class T>
class IProfferServiceImpl : public IProfferService
{
public:
STDMETHODIMP ProfferService(REFGUID rguidService, IServiceProvider *psp, DWORD *pdwCookie)
{
return E_NOTIMPL;
}
STDMETHODIMP RevokeService(DWORD dwCookie)
{
return E_NOTIMPL;
}
HRESULT QueryService(REFGUID guidService, REFIID riid, void **ppvObject)
{
return E_FAIL;
}
};
/*
This subclass corrects a problem with the ATL IConnectionPointImpl.
IConnectionPointImpl queries for the exact interface that is published, but at least one
implementor of IConnectionPoint (CShellBrowser) advertises DIID_DWebBrowserEvents,
but fires events to IDispatch.
*/
template<class T, const IID *piid, class CDV = CComDynamicUnkArray>
class MyIConnectionPointImpl : public IConnectionPointImpl<T, piid, CDV>
{
public:
STDMETHODIMP Advise(IUnknown *pUnkSink, DWORD *pdwCookie)
{
IConnectionPointImpl<T, piid, CDV> *pThisCPImpl;
T *pThis;
IUnknown *adviseSink;
DWORD newCookie;
HRESULT hResult;
pThis = static_cast<T *>(this);
pThisCPImpl = static_cast<IConnectionPointImpl<T, piid, CDV> *>(this);
if (pdwCookie != NULL)
*pdwCookie = 0;
if (pUnkSink == NULL || pdwCookie == NULL)
return E_POINTER;
hResult = pUnkSink->QueryInterface(IID_IDispatch, reinterpret_cast<void **>(&adviseSink));
if (FAILED(hResult))
{
if (hResult == E_NOINTERFACE)
return CONNECT_E_CANNOTCONNECT;
return hResult;
}
pThis->Lock();
newCookie = pThisCPImpl->m_vec.Add(adviseSink);
pThis->Unlock();
*pdwCookie = newCookie;
if (newCookie != 0)
hResult = S_OK;
else
{
adviseSink->Release();
hResult = CONNECT_E_ADVISELIMIT;
}
return hResult;
}
};