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-rw-r--r--dtrans/source/win32/dtobj/APNDataObject.cxx378
1 files changed, 378 insertions, 0 deletions
diff --git a/dtrans/source/win32/dtobj/APNDataObject.cxx b/dtrans/source/win32/dtobj/APNDataObject.cxx
new file mode 100644
index 000000000000..775e952ac885
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+++ b/dtrans/source/win32/dtobj/APNDataObject.cxx
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_dtrans.hxx"
+
+//------------------------------------------------------------------------
+// includes
+//------------------------------------------------------------------------
+#include "APNDataObject.hxx"
+#include <osl/diagnose.h>
+
+#include <systools/win32/comtools.hxx>
+#ifdef __MINGW32__
+#define __uuidof(I) IID_##I
+#endif
+
+//------------------------------------------------------------------------
+// defines
+//------------------------------------------------------------------------
+
+#define FREE_HGLOB_ON_RELEASE TRUE
+#define KEEP_HGLOB_ON_RELEASE FALSE
+
+//------------------------------------------------------------------------
+// ctor
+//------------------------------------------------------------------------
+
+CAPNDataObject::CAPNDataObject( IDataObjectPtr rIDataObject ) :
+ m_rIDataObjectOrg( rIDataObject ),
+ m_hGlobal( NULL ),
+ m_nRefCnt( 0 )
+{
+
+ OSL_ENSURE( m_rIDataObjectOrg.get( ), "constructing CAPNDataObject with empty data object" );
+
+ // we marshal the IDataObject interface pointer here so
+ // that it can be unmarshaled multiple times when this
+ // class will be used from another apartment
+ IStreamPtr pStm;
+ HRESULT hr = CreateStreamOnHGlobal( 0, KEEP_HGLOB_ON_RELEASE, &pStm );
+
+ OSL_ENSURE( E_INVALIDARG != hr, "invalid args passed to CreateStreamOnHGlobal" );
+
+ if ( SUCCEEDED( hr ) )
+ {
+ HRESULT hr_marshal = CoMarshalInterface(
+ pStm.get(),
+ __uuidof(IDataObject),
+ static_cast<LPUNKNOWN>(m_rIDataObjectOrg.get()),
+ MSHCTX_LOCAL,
+ NULL,
+ MSHLFLAGS_TABLEWEAK );
+
+ OSL_ENSURE( CO_E_NOTINITIALIZED != hr_marshal, "COM is not initialized" );
+
+ // marshalling may fail if COM is not initialized
+ // for the calling thread which is a program time
+ // error or because of stream errors which are runtime
+ // errors for instance E_OUTOFMEMORY etc.
+
+ hr = GetHGlobalFromStream(pStm.get(), &m_hGlobal );
+
+ OSL_ENSURE( E_INVALIDARG != hr, "invalid stream passed to GetHGlobalFromStream" );
+
+ // if the marshalling failed we free the
+ // global memory again and set m_hGlobal
+ // to a defined value
+ if (FAILED(hr_marshal))
+ {
+ OSL_ENSURE(sal_False, "marshalling failed");
+
+ #if OSL_DEBUG_LEVEL > 0
+ HGLOBAL hGlobal =
+ #endif
+ GlobalFree(m_hGlobal);
+ OSL_ENSURE(NULL == hGlobal, "GlobalFree failed");
+ m_hGlobal = NULL;
+ }
+ }
+}
+
+CAPNDataObject::~CAPNDataObject( )
+{
+ if (m_hGlobal)
+ {
+ IStreamPtr pStm;
+ HRESULT hr = CreateStreamOnHGlobal(m_hGlobal, FREE_HGLOB_ON_RELEASE, &pStm);
+
+ OSL_ENSURE( E_INVALIDARG != hr, "invalid args passed to CreateStreamOnHGlobal" );
+
+ if (SUCCEEDED(hr))
+ {
+ hr = CoReleaseMarshalData(pStm.get());
+ OSL_ENSURE(SUCCEEDED(hr), "CoReleaseMarshalData failed");
+ }
+ }
+}
+
+//------------------------------------------------------------------------
+// IUnknown->QueryInterface
+//------------------------------------------------------------------------
+
+STDMETHODIMP CAPNDataObject::QueryInterface( REFIID iid, LPVOID* ppvObject )
+{
+ OSL_ASSERT( NULL != ppvObject );
+
+ if ( NULL == ppvObject )
+ return E_INVALIDARG;
+
+ HRESULT hr = E_NOINTERFACE;
+ *ppvObject = NULL;
+
+ if ( ( __uuidof( IUnknown ) == iid ) || ( __uuidof( IDataObject ) == iid ) )
+ {
+ *ppvObject = static_cast< IUnknown* >( this );
+ ( (LPUNKNOWN)*ppvObject )->AddRef( );
+ hr = S_OK;
+ }
+
+ return hr;
+}
+
+//------------------------------------------------------------------------
+// IUnknown->AddRef
+//------------------------------------------------------------------------
+
+STDMETHODIMP_(ULONG) CAPNDataObject::AddRef( )
+{
+ return static_cast< ULONG >( InterlockedIncrement( &m_nRefCnt ) );
+}
+
+//------------------------------------------------------------------------
+// IUnknown->Release
+//------------------------------------------------------------------------
+
+STDMETHODIMP_(ULONG) CAPNDataObject::Release( )
+{
+ // we need a helper variable because it's not allowed to access
+ // a member variable after an object is destroyed
+ ULONG nRefCnt = static_cast< ULONG >( InterlockedDecrement( &m_nRefCnt ) );
+
+ if ( 0 == nRefCnt )
+ delete this;
+
+ return nRefCnt;
+}
+
+//------------------------------------------------------------------------
+// IDataObject->GetData
+//------------------------------------------------------------------------
+
+STDMETHODIMP CAPNDataObject::GetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium )
+{
+ HRESULT hr = m_rIDataObjectOrg->GetData( pFormatetc, pmedium );
+
+ if (RPC_E_WRONG_THREAD == hr)
+ {
+ IDataObjectPtr pIDOTmp;
+ hr = MarshalIDataObjectIntoCurrentApartment(&pIDOTmp);
+
+ if (SUCCEEDED(hr))
+ hr = pIDOTmp->GetData(pFormatetc, pmedium);
+ }
+ return hr;
+}
+
+//------------------------------------------------------------------------
+// IDataObject->EnumFormatEtc
+//------------------------------------------------------------------------
+
+STDMETHODIMP CAPNDataObject::EnumFormatEtc( DWORD dwDirection, IEnumFORMATETC** ppenumFormatetc )
+{
+ HRESULT hr = m_rIDataObjectOrg->EnumFormatEtc(dwDirection, ppenumFormatetc);
+
+ if (RPC_E_WRONG_THREAD == hr)
+ {
+ IDataObjectPtr pIDOTmp;
+ hr = MarshalIDataObjectIntoCurrentApartment(&pIDOTmp);
+
+ if (SUCCEEDED(hr))
+ hr = pIDOTmp->EnumFormatEtc(dwDirection, ppenumFormatetc);
+ }
+ return hr;
+}
+
+//------------------------------------------------------------------------
+// IDataObject->QueryGetData
+//------------------------------------------------------------------------
+
+STDMETHODIMP CAPNDataObject::QueryGetData( LPFORMATETC pFormatetc )
+{
+ HRESULT hr = m_rIDataObjectOrg->QueryGetData( pFormatetc );
+
+ if (RPC_E_WRONG_THREAD == hr)
+ {
+ IDataObjectPtr pIDOTmp;
+ hr = MarshalIDataObjectIntoCurrentApartment( &pIDOTmp );
+
+ if (SUCCEEDED(hr))
+ hr = pIDOTmp->QueryGetData(pFormatetc);
+ }
+ return hr;
+}
+
+//------------------------------------------------------------------------
+// IDataObject->GetDataHere
+//------------------------------------------------------------------------
+
+STDMETHODIMP CAPNDataObject::GetDataHere( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium )
+{
+ HRESULT hr = m_rIDataObjectOrg->GetDataHere(pFormatetc, pmedium);
+
+ if (RPC_E_WRONG_THREAD == hr)
+ {
+ IDataObjectPtr pIDOTmp;
+ hr = MarshalIDataObjectIntoCurrentApartment(&pIDOTmp);
+
+ if (SUCCEEDED(hr))
+ hr = pIDOTmp->GetDataHere(pFormatetc, pmedium);
+ }
+ return hr;
+}
+
+//------------------------------------------------------------------------
+// IDataObject->GetCanonicalFormatEtc
+//------------------------------------------------------------------------
+
+STDMETHODIMP CAPNDataObject::GetCanonicalFormatEtc(LPFORMATETC pFormatectIn, LPFORMATETC pFormatetcOut)
+{
+ HRESULT hr = m_rIDataObjectOrg->GetCanonicalFormatEtc( pFormatectIn, pFormatetcOut );
+
+ if (RPC_E_WRONG_THREAD == hr)
+ {
+ IDataObjectPtr pIDOTmp;
+ hr = MarshalIDataObjectIntoCurrentApartment(&pIDOTmp);
+
+ if (SUCCEEDED(hr))
+ hr = pIDOTmp->GetCanonicalFormatEtc(pFormatectIn, pFormatetcOut);
+ }
+ return hr;
+}
+
+//------------------------------------------------------------------------
+// IDataObject->SetData
+//------------------------------------------------------------------------
+
+STDMETHODIMP CAPNDataObject::SetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium, BOOL fRelease )
+{
+ HRESULT hr = m_rIDataObjectOrg->SetData( pFormatetc, pmedium, fRelease );
+
+ if (RPC_E_WRONG_THREAD == hr)
+ {
+ IDataObjectPtr pIDOTmp;
+ hr = MarshalIDataObjectIntoCurrentApartment(&pIDOTmp);
+
+ if (SUCCEEDED(hr))
+ hr = pIDOTmp->SetData(pFormatetc, pmedium, fRelease);
+ }
+ return hr;
+}
+
+//------------------------------------------------------------------------
+// IDataObject->DAdvise
+//------------------------------------------------------------------------
+
+STDMETHODIMP CAPNDataObject::DAdvise( LPFORMATETC pFormatetc, DWORD advf, LPADVISESINK pAdvSink, DWORD * pdwConnection )
+{
+ HRESULT hr = m_rIDataObjectOrg->DAdvise(pFormatetc, advf, pAdvSink, pdwConnection);
+
+ if (RPC_E_WRONG_THREAD == hr)
+ {
+ IDataObjectPtr pIDOTmp;
+ hr = MarshalIDataObjectIntoCurrentApartment(&pIDOTmp);
+
+ if (SUCCEEDED(hr))
+ hr = pIDOTmp->DAdvise(pFormatetc, advf, pAdvSink, pdwConnection);
+ }
+ return hr;
+}
+
+//------------------------------------------------------------------------
+// IDataObject->DUnadvise
+//------------------------------------------------------------------------
+
+STDMETHODIMP CAPNDataObject::DUnadvise( DWORD dwConnection )
+{
+ HRESULT hr = m_rIDataObjectOrg->DUnadvise( dwConnection );
+
+ if (RPC_E_WRONG_THREAD == hr)
+ {
+ IDataObjectPtr pIDOTmp;
+ hr = MarshalIDataObjectIntoCurrentApartment(&pIDOTmp);
+
+ if (SUCCEEDED(hr))
+ hr = pIDOTmp->DUnadvise(dwConnection);
+ }
+ return hr;
+}
+
+//------------------------------------------------------------------------
+// IDataObject->EnumDAdvise
+//------------------------------------------------------------------------
+
+STDMETHODIMP CAPNDataObject::EnumDAdvise( LPENUMSTATDATA * ppenumAdvise )
+{
+ HRESULT hr = m_rIDataObjectOrg->EnumDAdvise(ppenumAdvise);
+
+ if (RPC_E_WRONG_THREAD == hr)
+ {
+ IDataObjectPtr pIDOTmp;
+ hr = MarshalIDataObjectIntoCurrentApartment(&pIDOTmp);
+
+ if (SUCCEEDED(hr))
+ hr = pIDOTmp->EnumDAdvise(ppenumAdvise);
+ }
+ return hr;
+}
+
+//------------------------------------------------------------------------
+// for our convenience
+//------------------------------------------------------------------------
+
+CAPNDataObject::operator IDataObject*( )
+{
+ return static_cast< IDataObject* >( this );
+}
+
+//------------------------------------------------------------------------
+// helper function
+//------------------------------------------------------------------------
+
+HRESULT CAPNDataObject::MarshalIDataObjectIntoCurrentApartment( IDataObject** ppIDataObj )
+{
+ OSL_ASSERT(NULL != ppIDataObj);
+
+ *ppIDataObj = NULL;
+ HRESULT hr = E_FAIL;
+
+ if (m_hGlobal)
+ {
+ IStreamPtr pStm;
+ hr = CreateStreamOnHGlobal(m_hGlobal, KEEP_HGLOB_ON_RELEASE, &pStm);
+
+ OSL_ENSURE(E_INVALIDARG != hr, "CreateStreamOnHGlobal with invalid args called");
+
+ if (SUCCEEDED(hr))
+ {
+ hr = CoUnmarshalInterface(pStm.get(), __uuidof(IDataObject), (void**)ppIDataObj);
+ OSL_ENSURE(CO_E_NOTINITIALIZED != hr, "COM is not initialized");
+ }
+ }
+ return hr;
+}
generated by cgit (git 2.34.1) at 2024-07-16 20:29:02 +0000