office-gobmx/embedserv/source/embed/ed_ipersiststr.cxx
2003-03-05 14:50:11 +00:00

623 lines
20 KiB
C++
Executable file

/*************************************************************************
*
* $RCSfile: ed_ipersiststr.cxx,v $
*
* $Revision: 1.1 $
*
* last change: $Author: mav $ $Date: 2003-03-05 15:50:10 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* 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
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#include "embeddoc.hxx"
#ifndef _COM_SUN_STAR_UNO_ANY_H_
#include <com/sun/star/uno/Any.h>
#endif
#ifndef _COM_SUN_STAR_UNO_EXCEPTION_HPP_
#include <com/sun/star/uno/Exception.hpp>
#endif
#ifndef _COM_SUN_STAR_LANG_XMULTISERVICEFACTORY_HPP_
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#endif
#ifndef _COM_SUN_STAR_LANG_XCOMPONENT_HPP_
#include <com/sun/star/lang/XComponent.hpp>
#endif
#ifndef _COM_SUN_STAR_IO_XINPUTSTREAM_HPP_
#include <com/sun/star/io/XInputStream.hpp>
#endif
#ifndef _COM_SUN_STAR_IO_XOUTPUTSTREAM_HPP_
#include <com/sun/star/io/XOutputStream.hpp>
#endif
#ifndef _COM_SUN_STAR_IO_XSEEKABLE_HPP_
#include <com/sun/star/io/XSeekable.hpp>
#endif
#ifndef _COM_SUN_STAR_FRAME_XMODEL_HPP_
#include <com/sun/star/frame/XModel.hpp>
#endif
#ifndef _COM_SUN_STAR_FRAME_XLOADABLE_HPP_
#include <com/sun/star/frame/XLoadable.hpp>
#endif
#ifndef _COM_SUN_STAR_FRAME_XSTORABLE_HPP_
#include <com/sun/star/frame/XStorable.hpp>
#endif
#ifndef _COM_SUN_STAR_FRAME_XCOMPONENTLOADER_HPP_
#include <com/sun/star/frame/XComponentLoader.hpp>
#endif
#ifndef _OSL_MUTEX_HXX_
#include <osl/mutex.hxx>
#endif
#ifndef _OSL_DIAGNOSE_H_
#include <osl/diagnose.h>
#endif
using namespace ::com::sun::star;
extern ::rtl::OUString getServiceNameFromGUID_Impl( GUID* );
extern ::rtl::OUString getFilterNameFromGUID_Impl( GUID* );
// extern CLIPFORMAT getClipFormatFromGUID_Impl( GUID* );
const ::rtl::OUString aOfficeEmbedStreamName( RTL_CONSTASCII_USTRINGPARAM ( "package_stream" ) );
uno::Reference< io::XInputStream > createTempXInStreamFromIStream(
uno::Reference< lang::XMultiServiceFactory > xFactory,
IStream *pStream )
{
uno::Reference< io::XInputStream > xResult;
if ( !pStream )
return xResult;
const ::rtl::OUString aServiceName ( RTL_CONSTASCII_USTRINGPARAM ( "com.sun.star.io.TempFile" ) );
uno::Reference < io::XOutputStream > xTempOut = uno::Reference < io::XOutputStream > (
xFactory->createInstance ( aServiceName ),
uno::UNO_QUERY );
if ( xTempOut.is() )
{
ULARGE_INTEGER nNewPos;
LARGE_INTEGER aZero = { 0L, 0L };
HRESULT hr = pStream->Seek( aZero, STREAM_SEEK_SET, &nNewPos );
if ( FAILED( hr ) ) return xResult;
STATSTG aStat;
hr = pStream->Stat( &aStat, STATFLAG_NONAME );
if ( FAILED( hr ) ) return xResult;
sal_uInt32 nSize = (sal_uInt32)aStat.cbSize.QuadPart;
sal_uInt32 nCopied = 0;
uno::Sequence< sal_Int8 > aBuffer( nConstBufferSize );
try
{
sal_uInt32 nRead = 0;
do
{
pStream->Read( (void*)aBuffer.getArray(), nConstBufferSize, &nRead );
if ( nRead < nConstBufferSize )
aBuffer.realloc( nRead );
xTempOut->writeBytes( aBuffer );
nCopied += nRead;
} while( nRead == nConstBufferSize );
if ( nCopied == nSize )
{
uno::Reference < io::XSeekable > xTempSeek ( xTempOut, uno::UNO_QUERY );
if ( xTempSeek.is() )
{
xTempSeek->seek ( 0 );
xResult = uno::Reference< io::XInputStream >( xTempOut, uno::UNO_QUERY );
}
}
}
catch( uno::Exception& )
{
}
}
return xResult;
}
HRESULT copyXTempOutToIStream( uno::Reference< io::XOutputStream > xTempOut, IStream* pStream )
{
if ( !xTempOut.is() || !pStream )
return E_FAIL;
uno::Reference < io::XSeekable > xTempSeek ( xTempOut, uno::UNO_QUERY );
if ( !xTempSeek.is() )
return E_FAIL;
xTempSeek->seek ( 0 );
uno::Reference< io::XInputStream > xTempIn ( xTempOut, uno::UNO_QUERY );
if ( !xTempSeek.is() )
return E_FAIL;
ULARGE_INTEGER nNewPos;
LARGE_INTEGER aZero = { 0L, 0L };
HRESULT hr = pStream->Seek( aZero, STREAM_SEEK_SET, &nNewPos );
if ( FAILED( hr ) ) return E_FAIL;
uno::Sequence< sal_Int8 > aBuffer( nConstBufferSize );
sal_uInt32 nReadBytes = 0;
do
{
try {
nReadBytes = xTempIn->readBytes( aBuffer, nConstBufferSize );
}
catch( uno::Exception& )
{
return E_FAIL;
}
sal_uInt32 nWritten = 0;
HRESULT hr = pStream->Write( (void*)aBuffer.getArray(), nReadBytes, &nWritten );
if ( !SUCCEEDED( hr ) || nWritten != nReadBytes )
return E_FAIL;
} while( nReadBytes == nConstBufferSize );
return S_OK;
}
//===============================================================================
// EmbedDocument_Impl
//===============================================================================
EmbedDocument_Impl::EmbedDocument_Impl( const uno::Reference< lang::XMultiServiceFactory >& xFactory, const GUID* guid )
: m_refCount( 0L )
, m_xFactory( xFactory )
, m_guid( *guid )
, m_bIsDirty( sal_False )
{
}
EmbedDocument_Impl::~EmbedDocument_Impl()
{
if ( m_xDocument.is() )
{
uno::Reference< lang::XComponent > xComponent( m_xDocument, uno::UNO_QUERY );
OSL_ENSURE( xComponent.is(), "Can not dispose created model!\n" );
if ( xComponent.is() )
xComponent->dispose();
m_xDocument = uno::Reference< frame::XModel >();
}
}
uno::Sequence< beans::PropertyValue > EmbedDocument_Impl::fillArgsForLoading_Impl( uno::Reference< io::XInputStream > xStream, DWORD nStreamMode )
{
uno::Sequence< beans::PropertyValue > aArgs( 4 );
aArgs[0].Name = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( "URL" ) );
aArgs[0].Value <<= ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( "private:stream" ) );
aArgs[1].Name = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( "FilterName" ) );
aArgs[1].Value <<= getFilterNameFromGUID_Impl( &m_guid );
aArgs[2].Name = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( "InputStream" ) );
aArgs[2].Value <<= xStream;
aArgs[3].Name = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( "ReadOnly" ) );
aArgs[3].Value <<= ( ( nStreamMode & ( STGM_READWRITE | STGM_WRITE ) ) ? sal_True : sal_False );
return aArgs;
}
uno::Sequence< beans::PropertyValue > EmbedDocument_Impl::fillArgsForStoring_Impl( uno::Reference< io::XOutputStream > xStream)
{
uno::Sequence< beans::PropertyValue > aArgs( 2 );
aArgs[0].Name = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( "FilterName" ) );
aArgs[0].Value <<= getFilterNameFromGUID_Impl( &m_guid );
aArgs[1].Name = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( "OutputStream" ) );
aArgs[1].Value <<= xStream;
return aArgs;
}
HRESULT EmbedDocument_Impl::SaveTo_Impl( IStorage* pStg )
{
if ( !pStg || pStg == m_pMasterStorage )
return E_FAIL;
// for saveto operation the master storage
// should not enter NoScribble mode
CComPtr< IStream > pOrigOwn = m_pOwnStream;
HRESULT hr = Save( pStg, sal_False );
m_pOwnStream = pOrigOwn;
return hr;
}
//-------------------------------------------------------------------------------
// IUnknown
STDMETHODIMP EmbedDocument_Impl::QueryInterface( REFIID riid, void FAR* FAR* ppv )
{
if(IsEqualIID(riid, IID_IUnknown))
{
AddRef();
*ppv = (IUnknown*) (IPersistStorage*) this;
return S_OK;
}
else if (IsEqualIID(riid, IID_IPersist))
{
AddRef();
*ppv = (IPersist*) (IPersistStorage*) this;
return S_OK;
}
else if (IsEqualIID(riid, IID_IPersistStorage))
{
AddRef();
*ppv = (IPersistStorage*) this;
return S_OK;
}
else if (IsEqualIID(riid, IID_IDataObject))
{
AddRef();
*ppv = (IDataObject*) this;
return S_OK;
}
else if (IsEqualIID(riid, IID_IOleObject))
{
AddRef();
*ppv = (IOleObject*) this;
return S_OK;
}
*ppv = NULL;
return ResultFromScode(E_NOINTERFACE);
}
STDMETHODIMP_(ULONG) EmbedDocument_Impl::AddRef()
{
return osl_incrementInterlockedCount( &m_refCount);
}
STDMETHODIMP_(ULONG) EmbedDocument_Impl::Release()
{
::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex());
m_refCount--;
if ( m_refCount == 0 )
{
delete this;
}
return m_refCount;
}
//-------------------------------------------------------------------------------
// IPersist
STDMETHODIMP EmbedDocument_Impl::GetClassID( CLSID* pClassId )
{
*pClassId = *&m_guid;
return S_OK;
}
//-------------------------------------------------------------------------------
// IPersistStorage
STDMETHODIMP EmbedDocument_Impl::IsDirty()
{
return m_bIsDirty ? S_OK : S_FALSE;
}
STDMETHODIMP EmbedDocument_Impl::InitNew( IStorage *pStg )
{
HRESULT hr = CO_E_ALREADYINITIALIZED;
if ( !m_xDocument.is() )
{
STATSTG aStat;
hr = pStg->Stat( &aStat, STATFLAG_NONAME );
if ( FAILED( hr ) ) return E_FAIL;
DWORD nStreamMode = aStat.grfMode;
hr = E_FAIL;
if ( m_xFactory.is() && pStg )
{
uno::Reference < frame::XComponentLoader > xComponentLoader(
m_xFactory->createInstance( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.frame.Desktop" ) ) ),
uno::UNO_QUERY );
rtl::OUString sDocUrl( rtl::OUString::createFromAscii( "file:///d:/test.sxw" ) );
uno::Reference< lang::XComponent > xComponent = xComponentLoader->loadComponentFromURL(
sDocUrl, rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("_blank") ), 0,
uno::Sequence < ::com::sun::star::beans::PropertyValue >() );
m_xDocument = uno::Reference< frame::XModel >( xComponent, uno::UNO_QUERY );
/*
m_xDocument = uno::Reference< frame::XModel >(
m_xFactory->createInstance( getServiceNameFromGUID_Impl( &m_guid ) ),
uno::UNO_QUERY );
*/
if ( m_xDocument.is() )
{
/*
uno::Reference< frame::XLoadable > xLoadable( m_xDocument, uno::UNO_QUERY );
if( xLoadable.is() )
{
try
{
xLoadable->initNew();
*/
hr = S_OK;
/*
}
catch( uno::Exception& )
{
}
}
*/
if ( hr == S_OK )
{
::rtl::OUString aCurType = getServiceNameFromGUID_Impl( &m_guid ); // ???
CLIPFORMAT cf = RegisterClipboardFormatA( "Embedded Object" );
hr = WriteFmtUserTypeStg( pStg,
cf, // ???
( sal_Unicode* )aCurType.getStr() );
if ( hr == S_OK )
{
hr = pStg->CreateStream( aOfficeEmbedStreamName,
STGM_CREATE | nStreamMode,
0,
0,
&m_pOwnStream );
if ( hr == S_OK && m_pOwnStream )
{
m_pMasterStorage = pStg;
m_bIsDirty = sal_True;
}
else
hr = E_FAIL;
}
else
hr = E_FAIL;
}
if ( hr != S_OK )
{
uno::Reference< lang::XComponent > xComponent( m_xDocument, uno::UNO_QUERY );
OSL_ENSURE( xComponent.is(), "Can not dispose created model!\n" );
if ( xComponent.is() )
xComponent->dispose();
m_xDocument = uno::Reference< frame::XModel >();
}
}
}
}
return hr;
}
STDMETHODIMP EmbedDocument_Impl::Load( IStorage *pStg )
{
if ( m_xDocument.is() )
return CO_E_ALREADYINITIALIZED;
if ( !m_xFactory.is() || !pStg )
return E_FAIL;
HRESULT hr = E_FAIL;
STATSTG aStat;
hr = pStg->Stat( &aStat, STATFLAG_NONAME );
if ( FAILED( hr ) ) return E_FAIL;
DWORD nStreamMode = aStat.grfMode;
hr = pStg->OpenStream( aOfficeEmbedStreamName,
0,
nStreamMode,
0,
&m_pOwnStream );
if ( FAILED( hr ) || !m_pOwnStream ) return E_FAIL;
hr = E_FAIL;
uno::Reference < io::XInputStream > xTempIn = createTempXInStreamFromIStream( m_xFactory, m_pOwnStream );
if ( xTempIn.is() )
{
m_xDocument = uno::Reference< frame::XModel >(
m_xFactory->createInstance( getServiceNameFromGUID_Impl( &m_guid ) ),
uno::UNO_QUERY );
if ( m_xDocument.is() )
{
uno::Reference< frame::XLoadable > xLoadable( m_xDocument, uno::UNO_QUERY );
if( xLoadable.is() )
{
try
{
xLoadable->load( fillArgsForLoading_Impl( xTempIn, nStreamMode ) );
m_pMasterStorage = pStg;
hr = S_OK;
}
catch( uno::Exception& )
{
}
}
if ( FAILED( hr ) )
{
uno::Reference< lang::XComponent > xComponent( m_xDocument, uno::UNO_QUERY );
OSL_ENSURE( xComponent.is(), "Can not dispose created model!\n" );
if ( xComponent.is() )
xComponent->dispose();
m_xDocument = uno::Reference< frame::XModel >();
}
}
}
if ( FAILED( hr ) )
{
m_pOwnStream = CComPtr< IStream >();
hr = pStg->DestroyElement( aOfficeEmbedStreamName );
OSL_ENSURE( SUCCEEDED( hr ), "Can not destroy created stream!\n" );
if ( FAILED( hr ) )
hr = E_FAIL;
}
return hr;
}
STDMETHODIMP EmbedDocument_Impl::Save( IStorage *pStgSave, BOOL fSameAsLoad )
{
if ( !m_xDocument.is() || !m_xFactory.is() || !pStgSave || !m_pOwnStream )
return E_FAIL;
CComPtr< IStream > pTargetStream;
if ( !fSameAsLoad && pStgSave != m_pMasterStorage )
{
OSL_ENSURE( m_pMasterStorage, "How could the document be initialized without storage!??\n" );
HRESULT hr = m_pMasterStorage->CopyTo( NULL, NULL, NULL, pStgSave );
if ( FAILED( hr ) ) return E_FAIL;
hr = pStgSave->OpenStream( aOfficeEmbedStreamName,
0,
STGM_WRITE,
0,
&pTargetStream );
if ( FAILED( hr ) || !m_pOwnStream ) return E_FAIL;
}
else
pTargetStream = m_pOwnStream;
HRESULT hr = E_FAIL;
const ::rtl::OUString aServiceName ( RTL_CONSTASCII_USTRINGPARAM ( "com.sun.star.io.TempFile" ) );
uno::Reference < io::XOutputStream > xTempOut = uno::Reference < io::XOutputStream > (
m_xFactory->createInstance ( aServiceName ),
uno::UNO_QUERY );
if ( xTempOut.is() )
{
uno::Reference< frame::XStorable > xStorable( m_xDocument, uno::UNO_QUERY );
if( xStorable.is() )
{
try
{
xStorable->storeToURL( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( "private:stream" ) ),
fillArgsForStoring_Impl( xTempOut ) );
hr = copyXTempOutToIStream( xTempOut, pTargetStream );
if ( SUCCEEDED( hr ) )
{
m_pOwnStream = CComPtr< IStream >();
if ( fSameAsLoad || pStgSave == m_pMasterStorage )
m_bIsDirty = sal_False;
}
}
catch( uno::Exception& )
{
}
}
}
return hr;
}
STDMETHODIMP EmbedDocument_Impl::SaveCompleted( IStorage *pStgNew )
{
// m_pOwnStream == NULL && m_pMasterStorage != NULL means the object is in NoScribble mode
// m_pOwnStream == NULL && m_pMasterStorage == NULL means the object is in HandsOff mode
if ( m_pOwnStream )
return E_UNEXPECTED;
if ( !m_pMasterStorage && !pStgNew )
return E_INVALIDARG;
if ( pStgNew )
m_pMasterStorage = pStgNew;
STATSTG aStat;
HRESULT hr = pStgNew->Stat( &aStat, STATFLAG_NONAME );
if ( FAILED( hr ) ) return E_OUTOFMEMORY;
DWORD nStreamMode = aStat.grfMode;
hr = m_pMasterStorage->OpenStream( aOfficeEmbedStreamName,
0,
nStreamMode,
0,
&m_pOwnStream );
if ( FAILED( hr ) || !m_pOwnStream ) return E_OUTOFMEMORY;
return S_OK;
}
STDMETHODIMP EmbedDocument_Impl::HandsOffStorage()
{
m_pMasterStorage = CComPtr< IStorage >();
m_pOwnStream = CComPtr< IStream >();
return S_OK;
}