689 lines
22 KiB
C++
689 lines
22 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org 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
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_sfx2.hxx"
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#include <vcl/wrkwin.hxx>
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#include <vcl/msgbox.hxx>
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#include <tools/urlobj.hxx>
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#include <tools/stream.hxx>
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#include <sot/formats.hxx>
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#include <svtools/filter.hxx>
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#include <sfx2/lnkbase.hxx>
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#include <sfx2/app.hxx>
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#include <sfx2/progress.hxx>
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#include <sfx2/docfilt.hxx>
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#include <sfx2/filedlghelper.hxx>
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#include <sot/exchange.hxx>
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#include <com/sun/star/uno/Any.hxx>
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#include <com/sun/star/uno/Sequence.hxx>
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#include <sfx2/docfac.hxx>
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#include <com/sun/star/document/XTypeDetection.hpp>
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#include <comphelper/mediadescriptor.hxx>
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#include <comphelper/processfactory.hxx>
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#include <sfx2/linkmgr.hxx>
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#include <sfx2/opengrf.hxx>
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#include "sfx2/sfxresid.hxx"
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#include "fileobj.hxx"
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#include "app.hrc"
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namespace css = ::com::sun::star;
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#define FILETYPE_TEXT 1
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#define FILETYPE_GRF 2
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#define FILETYPE_OBJECT 3
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struct Impl_DownLoadData
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{
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Graphic aGrf;
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Timer aTimer;
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Impl_DownLoadData( const Link& rLink )
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{
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aTimer.SetTimeout( 100 );
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aTimer.SetTimeoutHdl( rLink );
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aGrf.SetDefaultType();
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}
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~Impl_DownLoadData()
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{
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aTimer.Stop();
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}
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};
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// --------------------------------------------------------------------------
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SvFileObject::SvFileObject() :
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pDownLoadData( NULL ), pOldParent( NULL ), nType( FILETYPE_TEXT )
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{
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bLoadAgain = sal_True;
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bSynchron = bLoadError = bWaitForData = bDataReady = bNativFormat =
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bClearMedium = bStateChangeCalled = bInCallDownLoad = sal_False;
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}
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SvFileObject::~SvFileObject()
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{
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if ( xMed.Is() )
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{
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xMed->SetDataAvailableLink( Link() );
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xMed->SetDoneLink( Link() );
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xMed.Clear();
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}
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delete pDownLoadData;
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}
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sal_Bool SvFileObject::GetData( ::com::sun::star::uno::Any & rData,
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const String & rMimeType,
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sal_Bool bGetSynchron )
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{
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sal_uIntPtr nFmt = SotExchange::GetFormatStringId( rMimeType );
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switch( nType )
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{
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case FILETYPE_TEXT:
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if( FORMAT_FILE == nFmt )
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{
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// The media in the application must be opened to lookup the
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// relative file links!! This is done through the link manager
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// of the Storage.
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rData <<= rtl::OUString( sFileNm );
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}
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break;
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case FILETYPE_GRF:
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if( !bLoadError )
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{
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SfxMediumRef xTmpMed;
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if( FORMAT_GDIMETAFILE == nFmt || FORMAT_BITMAP == nFmt ||
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SOT_FORMATSTR_ID_SVXB == nFmt )
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{
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Graphic aGrf;
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// If the native format is reqested, has to be reset at the
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// end of the flag. Is solely in the sw/ndgrf.cxx used when
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// the link is removed form GraphicNode.
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sal_Bool bOldNativFormat = bNativFormat;
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// If about to print, waiting for the data to be available
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if( bGetSynchron )
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{
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// call a LoadFile every second time to test the loading
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if( !xMed.Is() )
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LoadFile_Impl();
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if( !bInCallDownLoad )
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{
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xTmpMed = xMed;
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while( bWaitForData )
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Application::Reschedule();
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xMed = xTmpMed;
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bClearMedium = sal_True;
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}
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}
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if( pDownLoadData ||
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( !bWaitForData && ( xMed.Is() || // was loaded as URL
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( bSynchron && LoadFile_Impl() && xMed.Is() ) )) )
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{
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// If it was loaded from the Internet, do not retry
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if( !bGetSynchron )
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bLoadAgain = !xMed->IsRemote();
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bLoadError = !GetGraphic_Impl( aGrf, xMed->GetInStream() );
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}
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else if( !LoadFile_Impl() ||
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!GetGraphic_Impl( aGrf, xMed.Is() ? xMed->GetInStream() : 0 ))
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{
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if( !xMed.Is() )
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break;
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aGrf.SetDefaultType();
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}
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if( SOT_FORMATSTR_ID_SVXB != nFmt )
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nFmt = (bLoadError || GRAPHIC_BITMAP == aGrf.GetType())
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? FORMAT_BITMAP
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: FORMAT_GDIMETAFILE;
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SvMemoryStream aMemStm( 0, 65535 );
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switch ( nFmt )
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{
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case SOT_FORMATSTR_ID_SVXB:
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if( GRAPHIC_NONE != aGrf.GetType() )
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{
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aMemStm.SetVersion( SOFFICE_FILEFORMAT_50 );
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aMemStm << aGrf;
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}
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break;
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case FORMAT_BITMAP:
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if( !aGrf.GetBitmap().IsEmpty())
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aMemStm << aGrf.GetBitmap();
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break;
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default:
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if( aGrf.GetGDIMetaFile().GetActionSize() )
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{
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GDIMetaFile aMeta( aGrf.GetGDIMetaFile() );
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aMeta.Write( aMemStm );
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}
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}
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rData <<= css::uno::Sequence< sal_Int8 >( (sal_Int8*) aMemStm.GetData(),
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aMemStm.Seek( STREAM_SEEK_TO_END ) );
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bNativFormat = bOldNativFormat;
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// Everything ready?
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if( xMed.Is() && !bSynchron && bClearMedium )
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{
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xMed.Clear();
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bClearMedium = sal_False;
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}
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}
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}
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break;
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case FILETYPE_OBJECT:
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// TODO/LATER: possibility to insert a new object
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rData <<= rtl::OUString( sFileNm );
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break;
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}
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return sal_True/*0 != aTypeList.Count()*/;
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}
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sal_Bool SvFileObject::Connect( sfx2::SvBaseLink* pLink )
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{
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if( !pLink || !pLink->GetLinkManager() )
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return sal_False;
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// Test if not another link of the same connection already exists
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pLink->GetLinkManager()->GetDisplayNames( pLink, 0, &sFileNm, 0, &sFilter );
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if( OBJECT_CLIENT_GRF == pLink->GetObjType() )
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{
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SfxObjectShellRef pShell = pLink->GetLinkManager()->GetPersist();
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if( pShell.Is() )
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{
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if( pShell->IsAbortingImport() )
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return sal_False;
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if( pShell->GetMedium() )
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sReferer = pShell->GetMedium()->GetName();
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}
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}
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switch( pLink->GetObjType() )
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{
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case OBJECT_CLIENT_GRF:
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nType = FILETYPE_GRF;
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bSynchron = pLink->IsSynchron();
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break;
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case OBJECT_CLIENT_FILE:
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nType = FILETYPE_TEXT;
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break;
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case OBJECT_CLIENT_OLE:
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nType = FILETYPE_OBJECT;
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// TODO/LATER: introduce own type to be used for exchanging
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break;
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default:
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return sal_False;
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}
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SetUpdateTimeout( 0 );
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// and now register by this or other found Pseudo-Object
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AddDataAdvise( pLink, SotExchange::GetFormatMimeType( pLink->GetContentType()), 0 );
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return sal_True;
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}
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sal_Bool SvFileObject::LoadFile_Impl()
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{
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// We are still at Loading!!
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if( bWaitForData || !bLoadAgain || xMed.Is() || pDownLoadData )
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return sal_False;
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// at the moment on the current DocShell
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xMed = new SfxMedium( sFileNm, STREAM_STD_READ, sal_True );
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SvLinkSource::StreamToLoadFrom aStreamToLoadFrom =
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getStreamToLoadFrom();
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xMed->setStreamToLoadFrom(
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aStreamToLoadFrom.m_xInputStreamToLoadFrom,
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aStreamToLoadFrom.m_bIsReadOnly);
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if( sReferer.Len() )
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xMed->SetReferer( sReferer );
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if( !bSynchron )
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{
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bLoadAgain = bDataReady = bInNewData = sal_False;
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bWaitForData = sal_True;
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SfxMediumRef xTmpMed = xMed;
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xMed->SetDataAvailableLink( STATIC_LINK( this, SvFileObject, LoadGrfNewData_Impl ) );
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bInCallDownLoad = sal_True;
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xMed->DownLoad( STATIC_LINK( this, SvFileObject, LoadGrfReady_Impl ) );
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bInCallDownLoad = sal_False;
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bClearMedium = !xMed.Is();
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if( bClearMedium )
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xMed = xTmpMed; // If already finished in DownLoad
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return bDataReady;
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}
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bWaitForData = sal_True;
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bDataReady = bInNewData = sal_False;
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xMed->DownLoad();
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bLoadAgain = !xMed->IsRemote();
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bWaitForData = sal_False;
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// Graphic is finished, also send DataChanged of the Status change:
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SendStateChg_Impl( xMed->GetInStream() && xMed->GetInStream()->GetError()
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? sfx2::LinkManager::STATE_LOAD_ERROR : sfx2::LinkManager::STATE_LOAD_OK );
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return sal_True;
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}
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sal_Bool SvFileObject::GetGraphic_Impl( Graphic& rGrf, SvStream* pStream )
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{
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GraphicFilter& rGF = GraphicFilter::GetGraphicFilter();
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const sal_uInt16 nFilter = sFilter.Len() && rGF.GetImportFormatCount()
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? rGF.GetImportFormatNumber( sFilter )
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: GRFILTER_FORMAT_DONTKNOW;
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String aEmptyStr;
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int nRes;
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// To avoid that a native link is created
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if( ( !pStream || !pDownLoadData ) && !rGrf.IsLink() &&
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!rGrf.GetContext() && !bNativFormat )
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rGrf.SetLink( GfxLink() );
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if( !pStream )
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nRes = xMed.Is() ? GRFILTER_OPENERROR
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: rGF.ImportGraphic( rGrf, INetURLObject(sFileNm),
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nFilter );
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else if( !pDownLoadData )
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{
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pStream->Seek( STREAM_SEEK_TO_BEGIN );
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nRes = rGF.ImportGraphic( rGrf, aEmptyStr, *pStream, nFilter );
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}
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else
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{
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nRes = rGF.ImportGraphic( pDownLoadData->aGrf, aEmptyStr,
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*pStream, nFilter );
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if( pDownLoadData )
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{
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rGrf = pDownLoadData->aGrf;
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if( GRAPHIC_NONE == rGrf.GetType() )
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rGrf.SetDefaultType();
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if( !pDownLoadData->aGrf.GetContext() )
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{
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xMed->SetDataAvailableLink( Link() );
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delete pDownLoadData, pDownLoadData = 0;
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bDataReady = sal_True;
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bWaitForData = sal_False;
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}
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else if( sal_False )
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{
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// Set up Timer, to return back
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pDownLoadData->aTimer.Start();
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}
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}
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}
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if( pStream && ERRCODE_IO_PENDING == pStream->GetError() )
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pStream->ResetError();
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#ifdef DBG_UTIL
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if( nRes )
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{
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if( xMed.Is() && !pStream )
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{
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DBG_WARNING3( "Graphic error [%d] - [%s] URL[%s]",
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nRes,
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xMed->GetPhysicalName().GetBuffer(),
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sFileNm.GetBuffer() );
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}
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else
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{
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DBG_WARNING2( "Graphic error [%d] - [%s]",
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nRes, sFileNm.GetBuffer() );
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}
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}
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#endif
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return GRFILTER_OK == nRes;
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}
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/** detect the filter of the given file
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@param _rURL
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specifies the URL of the file which filter is to detected.<br/>
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If the URL doesn't denote a valid (existent and accessible) file, the
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request is silently dropped.
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*/
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String impl_getFilter( const String& _rURL )
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{
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String sFilter;
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if ( _rURL.Len() == 0 )
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return sFilter;
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try
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{
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css::uno::Reference< ::com::sun::star::document::XTypeDetection > xTypeDetection(
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::comphelper::getProcessServiceFactory()->createInstance(
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::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.document.TypeDetection")) ),
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css::uno::UNO_QUERY );
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if ( xTypeDetection.is() )
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{
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::comphelper::MediaDescriptor aDescr;
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aDescr[ ::comphelper::MediaDescriptor::PROP_URL() ] <<= ::rtl::OUString( _rURL );
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css::uno::Sequence< css::beans::PropertyValue > aDescrList =
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aDescr.getAsConstPropertyValueList();
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::rtl::OUString sType = xTypeDetection->queryTypeByDescriptor( aDescrList, sal_True );
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if ( sType.getLength() )
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{
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css::uno::Reference< css::container::XNameAccess > xTypeCont( xTypeDetection,
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css::uno::UNO_QUERY );
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if ( xTypeCont.is() )
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{
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::comphelper::SequenceAsHashMap lTypeProps( xTypeCont->getByName( sType ) );
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sFilter = lTypeProps.getUnpackedValueOrDefault(
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::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("PreferredFilter")), ::rtl::OUString() );
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}
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}
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}
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}
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catch( const css::uno::Exception& )
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{
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}
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return sFilter;
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}
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void SvFileObject::Edit( Window* pParent, sfx2::SvBaseLink* pLink, const Link& rEndEditHdl )
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{
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aEndEditLink = rEndEditHdl;
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String sFile, sRange, sTmpFilter;
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if( pLink && pLink->GetLinkManager() )
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{
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pLink->GetLinkManager()->GetDisplayNames( pLink, 0, &sFile, &sRange, &sTmpFilter );
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switch( pLink->GetObjType() )
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{
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case OBJECT_CLIENT_GRF:
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{
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nType = FILETYPE_GRF; // If not set already
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SvxOpenGraphicDialog aDlg(SfxResId(RID_SVXSTR_EDITGRFLINK));
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aDlg.EnableLink(sal_False);
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aDlg.SetPath( sFile, sal_True );
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aDlg.SetCurrentFilter( sTmpFilter );
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if( !aDlg.Execute() )
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{
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sFile = aDlg.GetPath();
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sFile += ::sfx2::cTokenSeperator;
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sFile += ::sfx2::cTokenSeperator;
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sFile += aDlg.GetCurrentFilter();
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if ( aEndEditLink.IsSet() )
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aEndEditLink.Call( &sFile );
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}
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else
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sFile.Erase();
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}
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break;
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case OBJECT_CLIENT_OLE:
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{
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nType = FILETYPE_OBJECT; // if not set already
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pOldParent = Application::GetDefDialogParent();
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Application::SetDefDialogParent( pParent );
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::sfx2::FileDialogHelper* pFileDlg =
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pLink->GetFileDialog( (SFXWB_INSERT | WB_3DLOOK), String() );
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pFileDlg->StartExecuteModal( LINK( this, SvFileObject, DialogClosedHdl ) );
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}
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break;
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case OBJECT_CLIENT_FILE:
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{
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nType = FILETYPE_TEXT; // if not set already
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pOldParent = Application::GetDefDialogParent();
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Application::SetDefDialogParent( pParent );
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String sFactory;
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SfxObjectShell* pShell = pLink->GetLinkManager()->GetPersist();
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if ( pShell )
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sFactory = pShell->GetFactory().GetFactoryName();
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::sfx2::FileDialogHelper* pFileDlg =
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pLink->GetFileDialog( (SFXWB_INSERT | WB_3DLOOK), sFactory );
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pFileDlg->StartExecuteModal( LINK( this, SvFileObject, DialogClosedHdl ) );
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}
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break;
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default:
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sFile.Erase();
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}
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}
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}
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IMPL_STATIC_LINK( SvFileObject, LoadGrfReady_Impl, void*, EMPTYARG )
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{
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// When we come form here there it can not be an error no more.
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pThis->bLoadError = sal_False;
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pThis->bWaitForData = sal_False;
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pThis->bInCallDownLoad = sal_False;
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if( !pThis->bInNewData && !pThis->bDataReady )
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{
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// Graphic is finished, also send DataChanged from Status change
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pThis->bDataReady = sal_True;
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pThis->SendStateChg_Impl( sfx2::LinkManager::STATE_LOAD_OK );
|
|
|
|
// and then send the data again
|
|
pThis->NotifyDataChanged();
|
|
}
|
|
|
|
if( pThis->bDataReady )
|
|
{
|
|
pThis->bLoadAgain = sal_True;
|
|
if( pThis->xMed.Is() )
|
|
{
|
|
pThis->xMed->SetDataAvailableLink( Link() );
|
|
pThis->xMed->SetDoneLink( Link() );
|
|
|
|
Application::PostUserEvent(
|
|
STATIC_LINK( pThis, SvFileObject, DelMedium_Impl ),
|
|
new SfxMediumRef( pThis->xMed ));
|
|
pThis->xMed.Clear();
|
|
}
|
|
if( pThis->pDownLoadData )
|
|
delete pThis->pDownLoadData, pThis->pDownLoadData = 0;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
IMPL_STATIC_LINK( SvFileObject, DelMedium_Impl, SfxMediumRef*, pDelMed )
|
|
{
|
|
(void)pThis;
|
|
delete pDelMed;
|
|
return 0;
|
|
}
|
|
|
|
IMPL_STATIC_LINK( SvFileObject, LoadGrfNewData_Impl, void*, EMPTYARG )
|
|
{
|
|
// When we come form here there it can not be an error no more.
|
|
if( pThis->bInNewData )
|
|
return 0;
|
|
|
|
pThis->bInNewData = sal_True;
|
|
pThis->bLoadError = sal_False;
|
|
|
|
if( !pThis->pDownLoadData )
|
|
{
|
|
pThis->pDownLoadData = new Impl_DownLoadData(
|
|
STATIC_LINK( pThis, SvFileObject, LoadGrfNewData_Impl ) );
|
|
// Set Zero-link, so that no temporary graphics can be swapped out,
|
|
// the filter checks whether a link is set already => if so, is _no_
|
|
// new link set, the link here must be set (before it is first
|
|
// filtered), to prevent, that the context will be reset
|
|
// (aynchronous loading)
|
|
if( !pThis->bNativFormat )
|
|
{
|
|
static GfxLink aDummyLink;
|
|
pThis->pDownLoadData->aGrf.SetLink( aDummyLink );
|
|
}
|
|
}
|
|
|
|
pThis->NotifyDataChanged();
|
|
|
|
SvStream* pStrm = pThis->xMed.Is() ? pThis->xMed->GetInStream() : 0;
|
|
if( pStrm && pStrm->GetError() )
|
|
{
|
|
if( ERRCODE_IO_PENDING == pStrm->GetError() )
|
|
pStrm->ResetError();
|
|
|
|
// a DataReady in DataChanged?
|
|
else if( pThis->bWaitForData && pThis->pDownLoadData )
|
|
{
|
|
pThis->bLoadError = sal_True;
|
|
}
|
|
}
|
|
|
|
if( pThis->bDataReady )
|
|
{
|
|
// Graphic is finished, also send DataChanged from Status change
|
|
pThis->SendStateChg_Impl( pStrm->GetError() ? sfx2::LinkManager::STATE_LOAD_ERROR : sfx2::LinkManager::STATE_LOAD_OK );
|
|
}
|
|
|
|
pThis->bInNewData = sal_False;
|
|
return 0;
|
|
}
|
|
|
|
IMPL_LINK( SvFileObject, DialogClosedHdl, sfx2::FileDialogHelper*, _pFileDlg )
|
|
{
|
|
String sFile;
|
|
Application::SetDefDialogParent( pOldParent );
|
|
|
|
if ( FILETYPE_TEXT == nType || FILETYPE_OBJECT == nType )
|
|
{
|
|
if ( _pFileDlg && _pFileDlg->GetError() == ERRCODE_NONE )
|
|
{
|
|
String sURL( _pFileDlg->GetPath() );
|
|
sFile = sURL;
|
|
sFile += ::sfx2::cTokenSeperator;
|
|
sFile += ::sfx2::cTokenSeperator;
|
|
sFile += impl_getFilter( sURL );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
DBG_ERRORFILE( "SvFileObject::DialogClosedHdl(): wrong file type" );
|
|
}
|
|
|
|
if ( aEndEditLink.IsSet() )
|
|
aEndEditLink.Call( &sFile );
|
|
return 0;
|
|
}
|
|
|
|
/* [Description]
|
|
|
|
The method determines whether the data-object can be read from a DDE.
|
|
|
|
The following can be returned:
|
|
ERRCODE_NONE if it has been completely read
|
|
ERRCODE_SO_PENDING if it has not been completely read
|
|
ERRCODE_SO_FALSE otherwise
|
|
*/
|
|
sal_Bool SvFileObject::IsPending() const
|
|
{
|
|
return FILETYPE_GRF == nType && !bLoadError &&
|
|
( pDownLoadData || bWaitForData );
|
|
}
|
|
sal_Bool SvFileObject::IsDataComplete() const
|
|
{
|
|
sal_Bool bRet = sal_False;
|
|
if( FILETYPE_GRF != nType )
|
|
bRet = sal_True;
|
|
else if( !bLoadError && ( !bWaitForData && !pDownLoadData ))
|
|
{
|
|
SvFileObject* pThis = (SvFileObject*)this;
|
|
if( bDataReady ||
|
|
( bSynchron && pThis->LoadFile_Impl() && xMed.Is() ) )
|
|
bRet = sal_True;
|
|
else
|
|
{
|
|
INetURLObject aUrl( sFileNm );
|
|
if( aUrl.HasError() ||
|
|
INET_PROT_NOT_VALID == aUrl.GetProtocol() )
|
|
bRet = sal_True;
|
|
}
|
|
}
|
|
return bRet;
|
|
}
|
|
|
|
|
|
|
|
void SvFileObject::CancelTransfers()
|
|
{
|
|
// unsubscribe from the cache if in the middle of loading
|
|
if( !bDataReady )
|
|
{
|
|
// Do not set-up again
|
|
bLoadAgain = sal_False;
|
|
bDataReady = bLoadError = bWaitForData = sal_True;
|
|
SendStateChg_Impl( sfx2::LinkManager::STATE_LOAD_ABORT );
|
|
}
|
|
}
|
|
|
|
|
|
void SvFileObject::SendStateChg_Impl( sfx2::LinkManager::LinkState nState )
|
|
{
|
|
if( !bStateChangeCalled && HasDataLinks() )
|
|
{
|
|
css::uno::Any aAny;
|
|
aAny <<= rtl::OUString::valueOf( (sal_Int32)nState );
|
|
DataChanged( SotExchange::GetFormatName(
|
|
sfx2::LinkManager::RegisterStatusInfoId()), aAny );
|
|
bStateChangeCalled = sal_True;
|
|
}
|
|
}
|
|
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|