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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_sfx2.hxx"
#include <vcl/wrkwin.hxx>
#include <vcl/msgbox.hxx>
#include <tools/urlobj.hxx>
#include <tools/stream.hxx>
#include <sot/formats.hxx>
#include <svtools/filter.hxx>
#include <sfx2/lnkbase.hxx>
#include <sfx2/app.hxx>
#include <sfx2/progress.hxx>
#include <sfx2/docfilt.hxx>
#include <sfx2/filedlghelper.hxx>
#include <sot/exchange.hxx>
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <sfx2/docfac.hxx>
#include <com/sun/star/document/XTypeDetection.hpp>
#include <comphelper/mediadescriptor.hxx>
#include <comphelper/processfactory.hxx>
#include <sfx2/linkmgr.hxx>
#include <sfx2/opengrf.hxx>
#include "sfx2/sfxresid.hxx"
#include "fileobj.hxx"
#include "app.hrc"
namespace css = ::com::sun::star;
#define FILETYPE_TEXT 1
#define FILETYPE_GRF 2
#define FILETYPE_OBJECT 3
struct Impl_DownLoadData
{
Graphic aGrf;
Timer aTimer;
Impl_DownLoadData( const Link& rLink )
{
aTimer.SetTimeout( 100 );
aTimer.SetTimeoutHdl( rLink );
aGrf.SetDefaultType();
}
~Impl_DownLoadData()
{
aTimer.Stop();
}
};
// --------------------------------------------------------------------------
SvFileObject::SvFileObject() :
pDownLoadData( NULL ), pOldParent( NULL ), nType( FILETYPE_TEXT )
{
bLoadAgain = sal_True;
bSynchron = bLoadError = bWaitForData = bDataReady = bNativFormat =
bClearMedium = bStateChangeCalled = bInCallDownLoad = sal_False;
}
SvFileObject::~SvFileObject()
{
if ( xMed.Is() )
{
xMed->SetDataAvailableLink( Link() );
xMed->SetDoneLink( Link() );
xMed.Clear();
}
delete pDownLoadData;
}
sal_Bool SvFileObject::GetData( ::com::sun::star::uno::Any & rData,
const String & rMimeType,
sal_Bool bGetSynchron )
{
sal_uIntPtr nFmt = SotExchange::GetFormatStringId( rMimeType );
switch( nType )
{
case FILETYPE_TEXT:
if( FORMAT_FILE == nFmt )
{
// das Medium muss in der Applikation geoffnet werden, um die
// relativen Datei Links aufzuloesen!!!! Wird ueber den
// LinkManager und damit von dessen Storage erledigt.
rData <<= rtl::OUString( sFileNm );
}
break;
case FILETYPE_GRF:
if( !bLoadError )
{
SfxMediumRef xTmpMed;
if( FORMAT_GDIMETAFILE == nFmt || FORMAT_BITMAP == nFmt ||
SOT_FORMATSTR_ID_SVXB == nFmt )
{
Graphic aGrf;
//JP 15.07.98: Bug 52959
// falls das Nativformat doch erwuenscht ist, muss am
// Ende das Flag zurueckgesetzt werden.
// wird einzig und allein im sw/ndgrf.cxx benutzt, wenn der Link vom
// GraphicNode entfernt wird.
sal_Bool bOldNativFormat = bNativFormat;
//!!?? bNativFormat = 0 != (ASPECT_ICON & pSvData->GetAspect());
// falls gedruckt werden soll, warten wir bis die
// Daten vorhanden sind
if( bGetSynchron )
{
// testhalber mal ein LoadFile rufen um das nach-
// laden ueberahaupt anzustossen
if( !xMed.Is() )
LoadFile_Impl();
if( !bInCallDownLoad )
{
xTmpMed = xMed;
while( bWaitForData )
Application::Reschedule();
xMed = xTmpMed;
bClearMedium = sal_True;
}
}
if( pDownLoadData ||
( !bWaitForData && ( xMed.Is() || // wurde als URL geladen
( bSynchron && LoadFile_Impl() && xMed.Is() ) )) )
{
// falls
// falls es uebers Internet gesogen wurde, nicht
// wieder versuchen
if( !bGetSynchron )
bLoadAgain = !xMed->IsRemote();
bLoadError = !GetGraphic_Impl( aGrf, xMed->GetInStream() );
}
else if( !LoadFile_Impl() ||
!GetGraphic_Impl( aGrf, xMed.Is() ? xMed->GetInStream() : 0 ))
{
if( !xMed.Is() )
break;
aGrf.SetDefaultType();
}
if( SOT_FORMATSTR_ID_SVXB != nFmt )
nFmt = (bLoadError || GRAPHIC_BITMAP == aGrf.GetType())
? FORMAT_BITMAP
: FORMAT_GDIMETAFILE;
SvMemoryStream aMemStm( 0, 65535 );
switch ( nFmt )
{
case SOT_FORMATSTR_ID_SVXB:
if( GRAPHIC_NONE != aGrf.GetType() )
{
aMemStm.SetVersion( SOFFICE_FILEFORMAT_50 );
aMemStm << aGrf;
}
break;
case FORMAT_BITMAP:
if( !aGrf.GetBitmap().IsEmpty())
aMemStm << aGrf.GetBitmap();
break;
default:
if( aGrf.GetGDIMetaFile().GetActionCount() )
{
GDIMetaFile aMeta( aGrf.GetGDIMetaFile() );
aMeta.Write( aMemStm );
}
}
rData <<= css::uno::Sequence< sal_Int8 >( (sal_Int8*) aMemStm.GetData(),
aMemStm.Seek( STREAM_SEEK_TO_END ) );
bNativFormat = bOldNativFormat;
// alles fertig?
if( xMed.Is() && !bSynchron && bClearMedium )
{
xMed.Clear();
bClearMedium = sal_False;
}
}
}
break;
case FILETYPE_OBJECT:
// TODO/LATER: possibility to insert a new object
rData <<= rtl::OUString( sFileNm );
break;
}
return sal_True/*0 != aTypeList.Count()*/;
}
sal_Bool SvFileObject::Connect( sfx2::SvBaseLink* pLink )
{
if( !pLink || !pLink->GetLinkManager() )
return sal_False;
// teste doch mal, ob nicht ein anderer Link mit der gleichen
// Verbindung schon existiert
pLink->GetLinkManager()->GetDisplayNames( pLink, 0, &sFileNm, 0, &sFilter );
if( OBJECT_CLIENT_GRF == pLink->GetObjType() )
{
SfxObjectShellRef pShell = pLink->GetLinkManager()->GetPersist();
if( pShell.Is() )
{
if( pShell->IsAbortingImport() )
return sal_False;
if( pShell->GetMedium() )
sReferer = pShell->GetMedium()->GetName();
}
}
switch( pLink->GetObjType() )
{
case OBJECT_CLIENT_GRF:
nType = FILETYPE_GRF;
bSynchron = pLink->IsSynchron();
break;
case OBJECT_CLIENT_FILE:
nType = FILETYPE_TEXT;
break;
case OBJECT_CLIENT_OLE:
nType = FILETYPE_OBJECT;
// TODO/LATER: introduce own type to be used for exchanging
break;
default:
return sal_False;
}
SetUpdateTimeout( 0 );
// und jetzt bei diesem oder gefundenem Pseudo-Object anmelden
AddDataAdvise( pLink, SotExchange::GetFormatMimeType( pLink->GetContentType()), 0 );
return sal_True;
}
sal_Bool SvFileObject::LoadFile_Impl()
{
// wir sind noch im Laden!!
if( bWaitForData || !bLoadAgain || xMed.Is() || pDownLoadData )
return sal_False;
// z.Z. nur auf die aktuelle DocShell
xMed = new SfxMedium( sFileNm, STREAM_STD_READ, sal_True );
SvLinkSource::StreamToLoadFrom aStreamToLoadFrom =
getStreamToLoadFrom();
xMed->setStreamToLoadFrom(
aStreamToLoadFrom.m_xInputStreamToLoadFrom,
aStreamToLoadFrom.m_bIsReadOnly);
// setStreamToLoadFrom(0,0);
if( sReferer.Len() )
xMed->SetReferer( sReferer );
if( !bSynchron )
{
bLoadAgain = bDataReady = bInNewData = sal_False;
bWaitForData = sal_True;
SfxMediumRef xTmpMed = xMed;
xMed->SetDataAvailableLink( STATIC_LINK( this, SvFileObject, LoadGrfNewData_Impl ) );
bInCallDownLoad = sal_True;
xMed->DownLoad( STATIC_LINK( this, SvFileObject, LoadGrfReady_Impl ) );
bInCallDownLoad = sal_False;
bClearMedium = !xMed.Is();
if( bClearMedium )
xMed = xTmpMed; // falls gleich im DownLoad schon schluss ist
return bDataReady;
}
bWaitForData = sal_True;
bDataReady = bInNewData = sal_False;
xMed->DownLoad();
bLoadAgain = !xMed->IsRemote();
bWaitForData = sal_False;
// Grafik ist fertig, also DataChanged von der Statusaederung schicken:
SendStateChg_Impl( xMed->GetInStream() && xMed->GetInStream()->GetError()
? sfx2::LinkManager::STATE_LOAD_ERROR : sfx2::LinkManager::STATE_LOAD_OK );
return sal_True;
}
sal_Bool SvFileObject::GetGraphic_Impl( Graphic& rGrf, SvStream* pStream )
{
GraphicFilter* pGF = GraphicFilter::GetGraphicFilter();
const sal_uInt16 nFilter = sFilter.Len() && pGF->GetImportFormatCount()
? pGF->GetImportFormatNumber( sFilter )
: GRFILTER_FORMAT_DONTKNOW;
String aEmptyStr;
int nRes;
// vermeiden, dass ein native Link angelegt wird
if( ( !pStream || !pDownLoadData ) && !rGrf.IsLink() &&
!rGrf.GetContext() && !bNativFormat )
rGrf.SetLink( GfxLink() );
if( !pStream )
nRes = xMed.Is() ? GRFILTER_OPENERROR
: pGF->ImportGraphic( rGrf, INetURLObject(sFileNm),
nFilter );
else if( !pDownLoadData )
{
pStream->Seek( STREAM_SEEK_TO_BEGIN );
nRes = pGF->ImportGraphic( rGrf, aEmptyStr, *pStream, nFilter );
}
else
{
nRes = pGF->ImportGraphic( pDownLoadData->aGrf, aEmptyStr,
*pStream, nFilter );
if( pDownLoadData )
{
rGrf = pDownLoadData->aGrf;
if( GRAPHIC_NONE == rGrf.GetType() )
rGrf.SetDefaultType();
if( !pDownLoadData->aGrf.GetContext() )
{
xMed->SetDataAvailableLink( Link() );
// xMed->SetDoneLink( Link() );
delete pDownLoadData, pDownLoadData = 0;
bDataReady = sal_True;
bWaitForData = sal_False;
}
else if( sal_False )
{
// Timer aufsetzen, um zurueck zukehren
pDownLoadData->aTimer.Start();
}
}
}
if( pStream && ERRCODE_IO_PENDING == pStream->GetError() )
pStream->ResetError();
#ifdef DBG_UTIL
if( nRes )
{
if( xMed.Is() && !pStream )
{
DBG_WARNING3( "GrafikFehler [%d] - [%s] URL[%s]",
nRes,
xMed->GetPhysicalName().GetBuffer(),
sFileNm.GetBuffer() );
}
else
{
DBG_WARNING2( "GrafikFehler [%d] - [%s]",
nRes, sFileNm.GetBuffer() );
}
}
#endif
return GRFILTER_OK == nRes;
}
/** detect the filter of the given file
@param _rURL
specifies the URL of the file which filter is to detected.<br/>
If the URL doesn't denote a valid (existent and accessible) file, the
request is silently dropped.
*/
String impl_getFilter( const String& _rURL )
{
String sFilter;
if ( _rURL.Len() == 0 )
return sFilter;
try
{
css::uno::Reference< ::com::sun::star::document::XTypeDetection > xTypeDetection(
::comphelper::getProcessServiceFactory()->createInstance(
::rtl::OUString::createFromAscii("com.sun.star.document.TypeDetection") ),
css::uno::UNO_QUERY );
if ( xTypeDetection.is() )
{
::comphelper::MediaDescriptor aDescr;
aDescr[ ::comphelper::MediaDescriptor::PROP_URL() ] <<= ::rtl::OUString( _rURL );
css::uno::Sequence< css::beans::PropertyValue > aDescrList =
aDescr.getAsConstPropertyValueList();
::rtl::OUString sType = xTypeDetection->queryTypeByDescriptor( aDescrList, sal_True );
if ( sType.getLength() )
{
css::uno::Reference< css::container::XNameAccess > xTypeCont( xTypeDetection,
css::uno::UNO_QUERY );
if ( xTypeCont.is() )
{
::comphelper::SequenceAsHashMap lTypeProps( xTypeCont->getByName( sType ) );
sFilter = lTypeProps.getUnpackedValueOrDefault(
::rtl::OUString::createFromAscii("PreferredFilter"), ::rtl::OUString() );
}
}
}
}
catch( const css::uno::Exception& )
{
}
return sFilter;
}
void SvFileObject::Edit( Window* pParent, sfx2::SvBaseLink* pLink, const Link& rEndEditHdl )
{
aEndEditLink = rEndEditHdl;
String sFile, sRange, sTmpFilter;
if( pLink && pLink->GetLinkManager() )
{
pLink->GetLinkManager()->GetDisplayNames( pLink, 0, &sFile, &sRange, &sTmpFilter );
switch( pLink->GetObjType() )
{
case OBJECT_CLIENT_GRF:
{
nType = FILETYPE_GRF; // falls noch nicht gesetzt
SvxOpenGraphicDialog aDlg(SfxResId(RID_SVXSTR_EDITGRFLINK));
aDlg.EnableLink(sal_False);
aDlg.SetPath( sFile, sal_True );
aDlg.SetCurrentFilter( sTmpFilter );
if( !aDlg.Execute() )
{
sFile = aDlg.GetPath();
sFile += ::sfx2::cTokenSeperator;
sFile += ::sfx2::cTokenSeperator;
sFile += aDlg.GetCurrentFilter();
if ( aEndEditLink.IsSet() )
aEndEditLink.Call( &sFile );
}
else
sFile.Erase();
}
break;
case OBJECT_CLIENT_OLE:
{
nType = FILETYPE_OBJECT; // if not set already
pOldParent = Application::GetDefDialogParent();
Application::SetDefDialogParent( pParent );
::sfx2::FileDialogHelper* pFileDlg =
pLink->GetFileDialog( (SFXWB_INSERT | WB_3DLOOK), String() );
pFileDlg->StartExecuteModal( LINK( this, SvFileObject, DialogClosedHdl ) );
}
break;
case OBJECT_CLIENT_FILE:
{
nType = FILETYPE_TEXT; // if not set already
pOldParent = Application::GetDefDialogParent();
Application::SetDefDialogParent( pParent );
String sFactory;
SfxObjectShell* pShell = pLink->GetLinkManager()->GetPersist();
if ( pShell )
sFactory = pShell->GetFactory().GetFactoryName();
::sfx2::FileDialogHelper* pFileDlg =
pLink->GetFileDialog( (SFXWB_INSERT | WB_3DLOOK), sFactory );
pFileDlg->StartExecuteModal( LINK( this, SvFileObject, DialogClosedHdl ) );
}
break;
default:
sFile.Erase();
}
}
}
IMPL_STATIC_LINK( SvFileObject, LoadGrfReady_Impl, void*, EMPTYARG )
{
// wenn wir von hier kommen, kann es kein Fehler mehr sein
pThis->bLoadError = sal_False;
pThis->bWaitForData = sal_False;
pThis->bInCallDownLoad = sal_False;
if( !pThis->bInNewData && !pThis->bDataReady )
{
// Grafik ist fertig, also DataChanged von der Status-
// aederung schicken:
pThis->bDataReady = sal_True;
pThis->SendStateChg_Impl( sfx2::LinkManager::STATE_LOAD_OK );
// und dann nochmal die Daten senden
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 )
{
// wenn wir von hier kommen, kann es kein Fehler mehr sein
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 ) );
// Null-Link setzen, damit keine temporaeren Grafiken
// rausgeswapt werden; der Filter prueft, ob schon
// ein Link gesetzt ist => falls dies zutrifft, wird
// _kein_ neuer Link gesetzt; der Link muss hier gesetzt werden,
// (bevor das erste Mal gefiltert wird), um zu verhindern,
// dass der Kontext zurueckgesetzt wird (aynchrones Laden)
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();
// im DataChanged ein DataReady?
else if( pThis->bWaitForData && pThis->pDownLoadData )
{
pThis->bLoadError = sal_True;
}
}
if( pThis->bDataReady )
{
// Grafik ist fertig, also DataChanged von der Status-
// aederung schicken:
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;
}
/* [Beschreibung]
Die Methode stellt fest, ob aus einem DDE-Object die Daten gelesen
werden kann.
Zurueckgegeben wird:
ERRCODE_NONE wenn sie komplett gelesen wurde
ERRCODE_SO_PENDING wenn sie noch nicht komplett gelesen wurde
ERRCODE_SO_FALSE sonst
*/
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()
{
// und aus dem Cache austragen, wenn man mitten im Laden ist
if( !bDataReady )
{
// nicht noch mal aufsetzen
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;
}
}
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