xref: /trunk/main/svtools/source/misc/embedhlp.cxx (revision eab2447c)
1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_svtools.hxx"
26 
27 #include <svtools/embedhlp.hxx>
28 #include <svtools/filter.hxx>
29 #include <svtools/svtools.hrc>
30 #include <svtools/svtdata.hxx>
31 
32 #include <comphelper/embeddedobjectcontainer.hxx>
33 #include <comphelper/seqstream.hxx>
34 #include <toolkit/helper/vclunohelper.hxx>
35 #include <unotools/ucbstreamhelper.hxx>
36 #include <unotools/streamwrap.hxx>
37 #include <com/sun/star/chart2/XChartDocument.hpp>
38 #include <com/sun/star/chart2/XCoordinateSystem.hpp>
39 #include <com/sun/star/chart2/XCoordinateSystemContainer.hpp>
40 #include <com/sun/star/chart2/XDiagram.hpp>
41 #include <com/sun/star/chart2/XChartTypeContainer.hpp>
42 #include <com/sun/star/chart2/XChartType.hpp>
43 #include <tools/globname.hxx>
44 #include <sot/clsids.hxx>
45 #include <com/sun/star/util/XModifyListener.hpp>
46 #ifndef _COM_SUN_STAR_UTIL_XMODIFYiBLE_HPP_
47 #include <com/sun/star/util/XModifiable.hpp>
48 #endif
49 #include <com/sun/star/embed/EmbedStates.hpp>
50 #include <com/sun/star/embed/EmbedMisc.hpp>
51 #include <com/sun/star/embed/XStateChangeListener.hpp>
52 #include <com/sun/star/embed/NoVisualAreaSizeException.hpp>
53 #include <com/sun/star/util/XModifiable.hpp>
54 #include <com/sun/star/datatransfer/XTransferable.hpp>
55 #include <com/sun/star/chart2/XDefaultSizeTransmitter.hpp>
56 #include <cppuhelper/implbase4.hxx>
57 #include "vcl/svapp.hxx"
58 #include <rtl/logfile.hxx>
59 #include <vos/mutex.hxx>
60 
61 using namespace com::sun::star;
62 
63 namespace svt
64 {
65 
66 class EmbedEventListener_Impl : public ::cppu::WeakImplHelper4 < embed::XStateChangeListener,
67 																 document::XEventListener,
68                                                                  util::XModifyListener,
69 																 util::XCloseListener >
70 {
71 public:
72     EmbeddedObjectRef*          pObject;
73     sal_Int32                   nState;
74 
75                                 EmbedEventListener_Impl( EmbeddedObjectRef* p ) :
76                                     pObject(p)
77                                     , nState(-1)
78                                 {}
79 
80     static EmbedEventListener_Impl* Create( EmbeddedObjectRef* );
81 
82     virtual void SAL_CALL changingState( const lang::EventObject& aEvent, ::sal_Int32 nOldState, ::sal_Int32 nNewState )
83 									throw (embed::WrongStateException, uno::RuntimeException);
84     virtual void SAL_CALL stateChanged( const lang::EventObject& aEvent, ::sal_Int32 nOldState, ::sal_Int32 nNewState )
85 									throw (uno::RuntimeException);
86     virtual void SAL_CALL queryClosing( const lang::EventObject& Source, ::sal_Bool GetsOwnership )
87                                     throw (util::CloseVetoException, uno::RuntimeException);
88     virtual void SAL_CALL notifyClosing( const lang::EventObject& Source ) throw (uno::RuntimeException);
89     virtual void SAL_CALL notifyEvent( const document::EventObject& aEvent ) throw( uno::RuntimeException );
90     virtual void SAL_CALL disposing( const lang::EventObject& aEvent ) throw( uno::RuntimeException );
91     virtual void SAL_CALL modified( const ::com::sun::star::lang::EventObject& aEvent ) throw (::com::sun::star::uno::RuntimeException);
92 };
93 
94 EmbedEventListener_Impl* EmbedEventListener_Impl::Create( EmbeddedObjectRef* p )
95 {
96     EmbedEventListener_Impl* xRet = new EmbedEventListener_Impl( p );
97     xRet->acquire();
98 
99 	if ( p->GetObject().is() )
100 	{
101         p->GetObject()->addStateChangeListener( xRet );
102 
103     	uno::Reference < util::XCloseable > xClose( p->GetObject(), uno::UNO_QUERY );
104     	DBG_ASSERT( xClose.is(), "Object does not support XCloseable!" );
105     	if ( xClose.is() )
106             xClose->addCloseListener( xRet );
107 
108     	uno::Reference < document::XEventBroadcaster > xBrd( p->GetObject(), uno::UNO_QUERY );
109     	if ( xBrd.is() )
110         	xBrd->addEventListener( xRet );
111 
112         xRet->nState = p->GetObject()->getCurrentState();
113         if ( xRet->nState == embed::EmbedStates::RUNNING )
114         {
115             uno::Reference < util::XModifiable > xMod( p->GetObject()->getComponent(), uno::UNO_QUERY );
116             if ( xMod.is() )
117                 // listen for changes in running state (update replacements in case of changes)
118                 xMod->addModifyListener( xRet );
119         }
120 	}
121 
122     return xRet;
123 }
124 
125 void SAL_CALL EmbedEventListener_Impl::changingState( const lang::EventObject&,
126 													::sal_Int32,
127 													::sal_Int32 )
128 	throw ( embed::WrongStateException,
129 			uno::RuntimeException )
130 {
131 }
132 
133 void SAL_CALL EmbedEventListener_Impl::stateChanged( const lang::EventObject&,
134 													::sal_Int32 nOldState,
135 													::sal_Int32 nNewState )
136 	throw ( uno::RuntimeException )
137 {
138 	::vos::OGuard aGuard( Application::GetSolarMutex() );
139     nState = nNewState;
140     if ( !pObject )
141         return;
142 
143     uno::Reference < util::XModifiable > xMod( pObject->GetObject()->getComponent(), uno::UNO_QUERY );
144     if ( nNewState == embed::EmbedStates::RUNNING )
145     {
146         // TODO/LATER: container must be set before!
147         // When is this event created? Who sets the new container when it changed?
148         if( ( pObject->GetViewAspect() != embed::Aspects::MSOLE_ICON ) && nOldState != embed::EmbedStates::LOADED && !pObject->IsChart() )
149             // get new replacement after deactivation
150             pObject->UpdateReplacement();
151 
152         if( pObject->IsChart() && nOldState == embed::EmbedStates::UI_ACTIVE )
153         {
154             //create a new metafile replacement when leaving the edit mode
155             //for buggy documents where the old image looks different from the correct one
156             if( xMod.is() && !xMod->isModified() )//in case of modification a new replacement will be requested anyhow
157                 pObject->UpdateReplacementOnDemand();
158         }
159 
160         if ( xMod.is() && nOldState == embed::EmbedStates::LOADED )
161             // listen for changes (update replacements in case of changes)
162             xMod->addModifyListener( this );
163     }
164     else if ( nNewState == embed::EmbedStates::LOADED )
165     {
166         // in loaded state we can't listen
167         if ( xMod.is() )
168             xMod->removeModifyListener( this );
169     }
170 }
171 
172 void SAL_CALL EmbedEventListener_Impl::modified( const lang::EventObject& ) throw (uno::RuntimeException)
173 {
174 	::vos::OGuard aGuard( Application::GetSolarMutex() );
175     if ( pObject && pObject->GetViewAspect() != embed::Aspects::MSOLE_ICON )
176     {
177         if ( nState == embed::EmbedStates::RUNNING )
178         {
179             // updates only necessary in non-active states
180             if( pObject->IsChart() )
181                 pObject->UpdateReplacementOnDemand();
182             else
183                 pObject->UpdateReplacement();
184         }
185         else if ( nState == embed::EmbedStates::UI_ACTIVE || nState == embed::EmbedStates::INPLACE_ACTIVE )
186         {
187             // in case the object is inplace or UI active the replacement image should be updated on demand
188             pObject->UpdateReplacementOnDemand();
189         }
190     }
191 }
192 
193 void SAL_CALL EmbedEventListener_Impl::notifyEvent( const document::EventObject& aEvent ) throw( uno::RuntimeException )
194 {
195 	::vos::OGuard aGuard( Application::GetSolarMutex() );
196 
197 #if 0
198     if ( pObject && aEvent.EventName.equalsAscii("OnSaveDone") || aEvent.EventName.equalsAscii("OnSaveAsDone") )
199     {
200         // TODO/LATER: container must be set before!
201         // When is this event created? Who sets the new container when it changed?
202         pObject->UpdateReplacement();
203     }
204     else
205 #endif
206     if ( pObject && aEvent.EventName.equalsAscii("OnVisAreaChanged") && pObject->GetViewAspect() != embed::Aspects::MSOLE_ICON && !pObject->IsChart() )
207     {
208         pObject->UpdateReplacement();
209     }
210 }
211 
212 void SAL_CALL EmbedEventListener_Impl::queryClosing( const lang::EventObject& Source, ::sal_Bool )
213         throw ( util::CloseVetoException, uno::RuntimeException)
214 {
215     // An embedded object can be shared between several objects (f.e. for undo purposes)
216     // the object will not be closed before the last "customer" is destroyed
217     // Now the EmbeddedObjectRef helper class works like a "lock" on the object
218     if ( pObject && pObject->IsLocked() && Source.Source == pObject->GetObject() )
219         throw util::CloseVetoException();
220 }
221 
222 void SAL_CALL EmbedEventListener_Impl::notifyClosing( const lang::EventObject& Source ) throw (::com::sun::star::uno::RuntimeException)
223 {
224     if ( pObject && Source.Source == pObject->GetObject() )
225     {
226         pObject->Clear();
227         pObject = 0;
228     }
229 }
230 
231 void SAL_CALL EmbedEventListener_Impl::disposing( const lang::EventObject& aEvent ) throw( uno::RuntimeException )
232 {
233     if ( pObject && aEvent.Source == pObject->GetObject() )
234     {
235         pObject->Clear();
236         pObject = 0;
237     }
238 }
239 
240 struct EmbeddedObjectRef_Impl
241 {
242     EmbedEventListener_Impl*                    xListener;
243     ::rtl::OUString                             aPersistName;
244     ::rtl::OUString                             aMediaType;
245     comphelper::EmbeddedObjectContainer*        pContainer;
246     Graphic*                                    pGraphic;
247     Graphic*                                    pHCGraphic;
248     sal_Int64                                   nViewAspect;
249     sal_Bool                                        bIsLocked;
250     sal_Bool                                    bNeedUpdate;
251 
252     // #i104867#
253     sal_uInt32                                  mnGraphicVersion;
254     awt::Size                                   aDefaultSizeForChart_In_100TH_MM;//#i103460# charts do not necessaryly have an own size within ODF files, in this case they need to use the size settings from the surrounding frame, which is made available with this member
255 };
256 
257 void EmbeddedObjectRef::Construct_Impl()
258 {
259     mpImp = new EmbeddedObjectRef_Impl;
260     mpImp->pContainer = 0;
261     mpImp->pGraphic = 0;
262     mpImp->pHCGraphic = 0;
263     mpImp->nViewAspect = embed::Aspects::MSOLE_CONTENT;
264     mpImp->bIsLocked = sal_False;
265     mpImp->bNeedUpdate = sal_False;
266     mpImp->mnGraphicVersion = 0;
267     mpImp->aDefaultSizeForChart_In_100TH_MM = awt::Size(8000,7000);
268 }
269 
270 EmbeddedObjectRef::EmbeddedObjectRef()
271 {
272     Construct_Impl();
273 }
274 
275 EmbeddedObjectRef::EmbeddedObjectRef( const NS_UNO::Reference < NS_EMBED::XEmbeddedObject >& xObj, sal_Int64 nAspect )
276 {
277     Construct_Impl();
278     mpImp->nViewAspect = nAspect;
279     mxObj = xObj;
280     mpImp->xListener = EmbedEventListener_Impl::Create( this );
281 }
282 
283 EmbeddedObjectRef::EmbeddedObjectRef( const EmbeddedObjectRef& rObj )
284 {
285     mpImp = new EmbeddedObjectRef_Impl;
286     mpImp->pContainer = rObj.mpImp->pContainer;
287     mpImp->nViewAspect = rObj.mpImp->nViewAspect;
288     mpImp->bIsLocked = rObj.mpImp->bIsLocked;
289     mxObj = rObj.mxObj;
290     mpImp->xListener = EmbedEventListener_Impl::Create( this );
291     mpImp->aPersistName = rObj.mpImp->aPersistName;
292     mpImp->aMediaType = rObj.mpImp->aMediaType;
293     mpImp->bNeedUpdate = rObj.mpImp->bNeedUpdate;
294     mpImp->aDefaultSizeForChart_In_100TH_MM = rObj.mpImp->aDefaultSizeForChart_In_100TH_MM;
295 
296     if ( rObj.mpImp->pGraphic && !rObj.mpImp->bNeedUpdate )
297         mpImp->pGraphic = new Graphic( *rObj.mpImp->pGraphic );
298     else
299         mpImp->pGraphic = 0;
300 
301     mpImp->pHCGraphic = 0;
302     mpImp->mnGraphicVersion = 0;
303 }
304 
305 EmbeddedObjectRef::~EmbeddedObjectRef()
306 {
307     delete mpImp->pGraphic;
308 	if ( mpImp->pHCGraphic )
309         DELETEZ( mpImp->pHCGraphic );
310     Clear();
311     delete mpImp;
312 }
313 /*
314 EmbeddedObjectRef& EmbeddedObjectRef::operator = ( const EmbeddedObjectRef& rObj )
315 {
316     DBG_ASSERT( !mxObj.is(), "Never assign an already assigned object!" );
317 
318     delete mpImp->pGraphic;
319 	if ( mpImp->pHCGraphic ) DELETEZ( mpImp->pHCGraphic );
320     Clear();
321 
322     mpImp->nViewAspect = rObj.mpImp->nViewAspect;
323     mpImp->bIsLocked = rObj.mpImp->bIsLocked;
324     mxObj = rObj.mxObj;
325     mpImp->xListener = EmbedEventListener_Impl::Create( this );
326     mpImp->pContainer = rObj.mpImp->pContainer;
327     mpImp->aPersistName = rObj.mpImp->aPersistName;
328     mpImp->aMediaType = rObj.mpImp->aMediaType;
329     mpImp->bNeedUpdate = rObj.mpImp->bNeedUpdate;
330 
331     if ( rObj.mpImp->pGraphic && !rObj.mpImp->bNeedUpdate )
332         mpImp->pGraphic = new Graphic( *rObj.mpImp->pGraphic );
333     else
334         mpImp->pGraphic = 0;
335     return *this;
336 }
337 */
338 void EmbeddedObjectRef::Assign( const NS_UNO::Reference < NS_EMBED::XEmbeddedObject >& xObj, sal_Int64 nAspect )
339 {
340     DBG_ASSERT( !mxObj.is(), "Never assign an already assigned object!" );
341 
342     Clear();
343     mpImp->nViewAspect = nAspect;
344     mxObj = xObj;
345     mpImp->xListener = EmbedEventListener_Impl::Create( this );
346 
347     //#i103460#
348     if ( IsChart() )
349     {
350         ::com::sun::star::uno::Reference < ::com::sun::star::chart2::XDefaultSizeTransmitter > xSizeTransmitter( xObj, uno::UNO_QUERY );
351         DBG_ASSERT( xSizeTransmitter.is(), "Object does not support XDefaultSizeTransmitter -> will cause #i103460#!" );
352         if( xSizeTransmitter.is() )
353             xSizeTransmitter->setDefaultSize( mpImp->aDefaultSizeForChart_In_100TH_MM );
354     }
355 }
356 
357 void EmbeddedObjectRef::Clear()
358 {
359     if ( mxObj.is() && mpImp->xListener )
360     {
361         mxObj->removeStateChangeListener( mpImp->xListener );
362 
363         uno::Reference < util::XCloseable > xClose( mxObj, uno::UNO_QUERY );
364         if ( xClose.is() )
365             xClose->removeCloseListener( mpImp->xListener );
366 
367         uno::Reference < document::XEventBroadcaster > xBrd( mxObj, uno::UNO_QUERY );
368         if ( xBrd.is() )
369             xBrd->removeEventListener( mpImp->xListener );
370 
371         if ( mpImp->bIsLocked )
372         {
373             if ( xClose.is() )
374             {
375                 try
376                 {
377                     mxObj->changeState( embed::EmbedStates::LOADED );
378                     xClose->close( sal_True );
379                 }
380                 catch ( util::CloseVetoException& )
381                 {
382                     // there's still someone who needs the object!
383                 }
384 				catch ( uno::Exception& )
385 				{
386 					OSL_ENSURE( sal_False, "Error on switching of the object to loaded state and closing!\n" );
387 				}
388             }
389         }
390 
391         if ( mpImp->xListener )
392         {
393             mpImp->xListener->pObject = 0;
394             mpImp->xListener->release();
395             mpImp->xListener = 0;
396         }
397 
398         mxObj = 0;
399         mpImp->bNeedUpdate = sal_False;
400     }
401 
402     mpImp->pContainer = 0;
403     mpImp->bIsLocked = sal_False;
404     mpImp->bNeedUpdate = sal_False;
405 }
406 
407 void EmbeddedObjectRef::AssignToContainer( comphelper::EmbeddedObjectContainer* pContainer, const ::rtl::OUString& rPersistName )
408 {
409     mpImp->pContainer = pContainer;
410     mpImp->aPersistName = rPersistName;
411 
412     if ( mpImp->pGraphic && !mpImp->bNeedUpdate && pContainer )
413 		SetGraphicToContainer( *mpImp->pGraphic, *pContainer, mpImp->aPersistName, ::rtl::OUString() );
414 }
415 
416 comphelper::EmbeddedObjectContainer* EmbeddedObjectRef::GetContainer() const
417 {
418 	return mpImp->pContainer;
419 }
420 
421 ::rtl::OUString EmbeddedObjectRef::GetPersistName() const
422 {
423 	return mpImp->aPersistName;
424 }
425 
426 MapUnit EmbeddedObjectRef::GetMapUnit() const
427 {
428 	if ( mpImp->nViewAspect == embed::Aspects::MSOLE_CONTENT )
429 		return VCLUnoHelper::UnoEmbed2VCLMapUnit( mxObj->getMapUnit( mpImp->nViewAspect ) );
430 	else
431 		// TODO/LATER: currently only CONTENT aspect requires communication with the object
432 		return MAP_100TH_MM;
433 }
434 
435 sal_Int64 EmbeddedObjectRef::GetViewAspect() const
436 {
437     return mpImp->nViewAspect;
438 }
439 
440 void EmbeddedObjectRef::SetViewAspect( sal_Int64 nAspect )
441 {
442     mpImp->nViewAspect = nAspect;
443 }
444 
445 void EmbeddedObjectRef::Lock( sal_Bool bLock )
446 {
447     mpImp->bIsLocked = bLock;
448 }
449 
450 sal_Bool EmbeddedObjectRef::IsLocked() const
451 {
452     return mpImp->bIsLocked;
453 }
454 
455 void EmbeddedObjectRef::GetReplacement( sal_Bool bUpdate )
456 {
457     if ( bUpdate )
458     {
459         DELETEZ( mpImp->pGraphic );
460         mpImp->aMediaType = ::rtl::OUString();
461         mpImp->pGraphic = new Graphic;
462 		if ( mpImp->pHCGraphic )
463             DELETEZ( mpImp->pHCGraphic );
464         mpImp->mnGraphicVersion++;
465     }
466     else if ( !mpImp->pGraphic )
467     {
468         mpImp->pGraphic = new Graphic;
469         mpImp->mnGraphicVersion++;
470     }
471     else
472     {
473         DBG_ERROR("No update, but replacement exists already!");
474         return;
475     }
476 
477     SvStream* pGraphicStream = GetGraphicStream( bUpdate );
478     if ( pGraphicStream )
479     {
480         GraphicFilter* pGF = GraphicFilter::GetGraphicFilter();
481         if( mpImp->pGraphic )
482             pGF->ImportGraphic( *mpImp->pGraphic, String(), *pGraphicStream, GRFILTER_FORMAT_DONTKNOW );
483         mpImp->mnGraphicVersion++;
484         delete pGraphicStream;
485     }
486 }
487 
488 Graphic* EmbeddedObjectRef::GetGraphic( ::rtl::OUString* pMediaType ) const
489 {
490     try
491     {
492         if ( mpImp->bNeedUpdate )
493             // bNeedUpdate will be set to false while retrieving new replacement
494             const_cast < EmbeddedObjectRef* >(this)->GetReplacement( sal_True );
495         else if ( !mpImp->pGraphic )
496             const_cast < EmbeddedObjectRef* >(this)->GetReplacement( sal_False );
497     }
498 	catch( uno::Exception& )
499 	{
500 		OSL_ENSURE( sal_False, "Something went wrong on getting the graphic!" );
501 	}
502 
503     if ( mpImp->pGraphic && pMediaType )
504         *pMediaType = mpImp->aMediaType;
505     return mpImp->pGraphic;
506 }
507 
508 Size EmbeddedObjectRef::GetSize( MapMode* pTargetMapMode ) const
509 {
510 	MapMode aSourceMapMode( MAP_100TH_MM );
511 	Size aResult;
512 
513 	if ( mpImp->nViewAspect == embed::Aspects::MSOLE_ICON )
514 	{
515 		Graphic* pGraphic = GetGraphic();
516 		if ( pGraphic )
517 		{
518 			aSourceMapMode = pGraphic->GetPrefMapMode();
519 			aResult = pGraphic->GetPrefSize();
520 		}
521 		else
522 			aResult = Size( 2500, 2500 );
523 	}
524 	else
525 	{
526 		awt::Size aSize;
527 
528 		if ( mxObj.is() )
529 		{
530 			try
531 			{
532 				aSize = mxObj->getVisualAreaSize( mpImp->nViewAspect );
533 			}
534 			catch( embed::NoVisualAreaSizeException& )
535 			{
536 			}
537 			catch( uno::Exception& )
538 			{
539 				OSL_ENSURE( sal_False, "Something went wrong on getting of the size of the object!" );
540 			}
541 
542 			try
543 			{
544 				aSourceMapMode = VCLUnoHelper::UnoEmbed2VCLMapUnit( mxObj->getMapUnit( mpImp->nViewAspect ) );
545 			}
546 			catch( uno::Exception )
547 			{
548 				OSL_ENSURE( sal_False, "Can not get the map mode!" );
549 			}
550 		}
551 
552 		if ( !aSize.Height && !aSize.Width )
553 		{
554 			aSize.Width = 5000;
555 			aSize.Height = 5000;
556 		}
557 
558 		aResult = Size( aSize.Width, aSize.Height );
559 	}
560 
561 	if ( pTargetMapMode )
562 		aResult = OutputDevice::LogicToLogic( aResult, aSourceMapMode, *pTargetMapMode );
563 
564 	return aResult;
565 }
566 
567 Graphic* EmbeddedObjectRef::GetHCGraphic() const
568 {
569 	if ( !mpImp->pHCGraphic )
570 	{
571 		uno::Reference< io::XInputStream > xInStream;
572 		try
573 		{
574 			// if the object needs size on load, that means that it is not our object
575 			// currently the HC mode is supported only for OOo own objects so the following
576 			// check is used as an optimization
577 			// TODO/LATER: shouldn't there be a special status flag to detect alien implementation?
578 			if ( mpImp->nViewAspect == embed::Aspects::MSOLE_CONTENT
579 			  && mxObj.is() && !( mxObj->getStatus( mpImp->nViewAspect ) & embed::EmbedMisc::EMBED_NEEDSSIZEONLOAD ) )
580 			{
581 				// TODO/LATER: optimization, it makes no sence to do it for OLE objects
582 				if ( mxObj->getCurrentState() == embed::EmbedStates::LOADED )
583 					mxObj->changeState( embed::EmbedStates::RUNNING );
584 
585 				// TODO: return for the aspect of the document
586 				embed::VisualRepresentation aVisualRepresentation;
587     			uno::Reference< datatransfer::XTransferable > xTransferable( mxObj->getComponent(), uno::UNO_QUERY );
588 				if ( !xTransferable.is() )
589 					throw uno::RuntimeException();
590 
591 				datatransfer::DataFlavor aDataFlavor(
592             			::rtl::OUString::createFromAscii(
593 								"application/x-openoffice-highcontrast-gdimetafile;windows_formatname=\"GDIMetaFile\"" ),
594 						::rtl::OUString::createFromAscii( "GDIMetaFile" ),
595 						::getCppuType( (const uno::Sequence< sal_Int8 >*) NULL ) );
596 
597 				uno::Sequence < sal_Int8 > aSeq;
598 				if ( ( xTransferable->getTransferData( aDataFlavor ) >>= aSeq ) && aSeq.getLength() )
599 					xInStream = new ::comphelper::SequenceInputStream( aSeq );
600 			}
601 		}
602 		catch ( uno::Exception& )
603 		{
604     		OSL_ENSURE( sal_False, "Something went wrong on getting the high contrast graphic!" );
605 		}
606 
607 		if ( xInStream.is() )
608 		{
609 			SvStream* pStream = NULL;
610 			pStream = ::utl::UcbStreamHelper::CreateStream( xInStream );
611 			if ( pStream )
612 			{
613 				if ( !pStream->GetError() )
614 				{
615         			GraphicFilter* pGF = GraphicFilter::GetGraphicFilter();
616 					Graphic* pGraphic = new Graphic();
617         			if ( pGF->ImportGraphic( *pGraphic, String(), *pStream, GRFILTER_FORMAT_DONTKNOW ) == 0 )
618 						mpImp->pHCGraphic = pGraphic;
619 					else
620 						delete pGraphic;
621                     mpImp->mnGraphicVersion++;
622 				}
623 
624         		delete pStream;
625 			}
626 		}
627 	}
628 
629 	return mpImp->pHCGraphic;
630 }
631 
632 void EmbeddedObjectRef::SetGraphicStream( const uno::Reference< io::XInputStream >& xInGrStream,
633 											const ::rtl::OUString& rMediaType )
634 {
635     if ( mpImp->pGraphic )
636         delete mpImp->pGraphic;
637     mpImp->pGraphic = new Graphic();
638     mpImp->aMediaType = rMediaType;
639 	if ( mpImp->pHCGraphic )
640         DELETEZ( mpImp->pHCGraphic );
641     mpImp->mnGraphicVersion++;
642 
643     SvStream* pGraphicStream = ::utl::UcbStreamHelper::CreateStream( xInGrStream );
644 
645     if ( pGraphicStream )
646     {
647         GraphicFilter* pGF = GraphicFilter::GetGraphicFilter();
648         pGF->ImportGraphic( *mpImp->pGraphic, String(), *pGraphicStream, GRFILTER_FORMAT_DONTKNOW );
649         mpImp->mnGraphicVersion++;
650 
651 		if ( mpImp->pContainer )
652 		{
653 			pGraphicStream->Seek( 0 );
654 			uno::Reference< io::XInputStream > xInSeekGrStream = new ::utl::OSeekableInputStreamWrapper( pGraphicStream );
655 
656     		mpImp->pContainer->InsertGraphicStream( xInSeekGrStream, mpImp->aPersistName, rMediaType );
657 		}
658 
659         delete pGraphicStream;
660 	}
661 
662     mpImp->bNeedUpdate = sal_False;
663 
664 }
665 
666 void EmbeddedObjectRef::SetGraphic( const Graphic& rGraphic, const ::rtl::OUString& rMediaType )
667 {
668     if ( mpImp->pGraphic )
669         delete mpImp->pGraphic;
670     mpImp->pGraphic = new Graphic( rGraphic );
671     mpImp->aMediaType = rMediaType;
672 	if ( mpImp->pHCGraphic )
673         DELETEZ( mpImp->pHCGraphic );
674     mpImp->mnGraphicVersion++;
675 
676     if ( mpImp->pContainer )
677 		SetGraphicToContainer( rGraphic, *mpImp->pContainer, mpImp->aPersistName, rMediaType );
678 
679     mpImp->bNeedUpdate = sal_False;
680 }
681 
682 SvStream* EmbeddedObjectRef::GetGraphicStream( sal_Bool bUpdate ) const
683 {
684 	RTL_LOGFILE_CONTEXT( aLog, "svtools (mv76033) svt::EmbeddedObjectRef::GetGraphicStream" );
685     DBG_ASSERT( bUpdate || mpImp->pContainer, "Can't retrieve current graphic!" );
686     uno::Reference < io::XInputStream > xStream;
687     if ( mpImp->pContainer && !bUpdate )
688     {
689 		RTL_LOGFILE_CONTEXT_TRACE( aLog, "getting stream from container" );
690         // try to get graphic stream from container storage
691         xStream = mpImp->pContainer->GetGraphicStream( mxObj, &mpImp->aMediaType );
692         if ( xStream.is() )
693         {
694             const sal_Int32 nConstBufferSize = 32000;
695             SvStream *pStream = new SvMemoryStream( 32000, 32000 );
696             sal_Int32 nRead=0;
697             uno::Sequence < sal_Int8 > aSequence ( nConstBufferSize );
698             do
699             {
700                 nRead = xStream->readBytes ( aSequence, nConstBufferSize );
701                 pStream->Write( aSequence.getConstArray(), nRead );
702             }
703             while ( nRead == nConstBufferSize );
704             pStream->Seek(0);
705             return pStream;
706         }
707     }
708 
709     if ( !xStream.is() )
710     {
711 		RTL_LOGFILE_CONTEXT_TRACE( aLog, "getting stream from object" );
712         bool bUserAllowsLinkUpdate(false);
713         const comphelper::EmbeddedObjectContainer* pContainer = GetContainer();
714 
715         if(pContainer)
716         {
717             bUserAllowsLinkUpdate = pContainer->getUserAllowsLinkUpdate();
718         }
719 
720         if(bUserAllowsLinkUpdate)
721         {
722             // update wanted or no stream in container storage available
723             xStream = GetGraphicReplacementStream(mpImp->nViewAspect,mxObj,&mpImp->aMediaType);
724 
725             if(xStream.is())
726             {
727                 if(mpImp->pContainer)
728                     mpImp->pContainer->InsertGraphicStream(xStream,mpImp->aPersistName,mpImp->aMediaType);
729 
730                 SvStream* pResult = ::utl::UcbStreamHelper::CreateStream( xStream );
731                 if ( pResult && bUpdate )
732                     mpImp->bNeedUpdate = sal_False;
733 
734                 return pResult;
735             }
736         }
737     }
738 
739     return NULL;
740 }
741 
742 void EmbeddedObjectRef::DrawPaintReplacement( const Rectangle &rRect, const String &rText, OutputDevice *pOut )
743 {
744 	MapMode aMM( MAP_APPFONT );
745 	Size aAppFontSz = pOut->LogicToLogic( Size( 0, 8 ), &aMM, NULL );
746 	Font aFnt( String::CreateFromAscii( RTL_CONSTASCII_STRINGPARAM( "Helvetica" ) ), aAppFontSz );
747 	aFnt.SetTransparent( sal_True );
748 	aFnt.SetColor( Color( COL_LIGHTRED ) );
749 	aFnt.SetWeight( WEIGHT_BOLD );
750 	aFnt.SetFamily( FAMILY_SWISS );
751 
752 	pOut->Push();
753 	pOut->SetBackground();
754 	pOut->SetFont( aFnt );
755 
756 	Point aPt;
757 	// Nun den Text so skalieren, dass er in das Rect passt.
758 	// Wir fangen mit der Defaultsize an und gehen 1-AppFont runter
759 	for( sal_uInt16 i = 8; i > 2; i-- )
760 	{
761 		aPt.X() = (rRect.GetWidth()  - pOut->GetTextWidth( rText )) / 2;
762 		aPt.Y() = (rRect.GetHeight() - pOut->GetTextHeight()) / 2;
763 
764 		sal_Bool bTiny = sal_False;
765 		if( aPt.X() < 0 ) bTiny = sal_True, aPt.X() = 0;
766 		if( aPt.Y() < 0 ) bTiny = sal_True, aPt.Y() = 0;
767 		if( bTiny )
768 		{
769 			// heruntergehen bei kleinen Bildern
770 			aFnt.SetSize( Size( 0, aAppFontSz.Height() * i / 8 ) );
771 			pOut->SetFont( aFnt );
772 		}
773 		else
774 			break;
775 	}
776 
777     Bitmap aBmp( SvtResId( BMP_PLUGIN ) );
778 	long nHeight = rRect.GetHeight() - pOut->GetTextHeight();
779 	long nWidth = rRect.GetWidth();
780 	if( nHeight > 0 )
781 	{
782 		aPt.Y() = nHeight;
783 		Point	aP = rRect.TopLeft();
784 		Size	aBmpSize = aBmp.GetSizePixel();
785 		// Bitmap einpassen
786 		if( nHeight * 10 / nWidth
787 		  > aBmpSize.Height() * 10 / aBmpSize.Width() )
788 		{
789 			// nach der Breite ausrichten
790 			// Proportion beibehalten
791 			long nH = nWidth * aBmpSize.Height() / aBmpSize.Width();
792 			// zentrieren
793 			aP.Y() += (nHeight - nH) / 2;
794 			nHeight = nH;
795 		}
796 		else
797 		{
798 			// nach der H"ohe ausrichten
799 			// Proportion beibehalten
800 			long nW = nHeight * aBmpSize.Width() / aBmpSize.Height();
801 			// zentrieren
802 			aP.X() += (nWidth - nW) / 2;
803 			nWidth = nW;
804 		}
805 
806 		pOut->DrawBitmap( aP, Size( nWidth, nHeight ), aBmp );
807 	}
808 
809 	pOut->IntersectClipRegion( rRect );
810 	aPt += rRect.TopLeft();
811 	pOut->DrawText( aPt, rText );
812 	pOut->Pop();
813 }
814 
815 void EmbeddedObjectRef::DrawShading( const Rectangle &rRect, OutputDevice *pOut )
816 {
817 	GDIMetaFile * pMtf = pOut->GetConnectMetaFile();
818 	if( pMtf && pMtf->IsRecord() )
819 		return;
820 
821 	pOut->Push();
822 	pOut->SetLineColor( Color( COL_BLACK ) );
823 
824 	Size aPixSize = pOut->LogicToPixel( rRect.GetSize() );
825 	aPixSize.Width() -= 1;
826 	aPixSize.Height() -= 1;
827 	Point aPixViewPos = pOut->LogicToPixel( rRect.TopLeft() );
828 	sal_Int32 nMax = aPixSize.Width() + aPixSize.Height();
829 	for( sal_Int32 i = 5; i < nMax; i += 5 )
830 	{
831 		Point a1( aPixViewPos ), a2( aPixViewPos );
832 		if( i > aPixSize.Width() )
833 			a1 += Point( aPixSize.Width(), i - aPixSize.Width() );
834 		else
835 			a1 += Point( i, 0 );
836 		if( i > aPixSize.Height() )
837 			a2 += Point( i - aPixSize.Height(), aPixSize.Height() );
838 		else
839 			a2 += Point( 0, i );
840 
841 		pOut->DrawLine( pOut->PixelToLogic( a1 ), pOut->PixelToLogic( a2 ) );
842 	}
843 
844 	pOut->Pop();
845 
846 }
847 
848 sal_Bool EmbeddedObjectRef::TryRunningState()
849 {
850     return TryRunningState( mxObj );
851 }
852 
853 sal_Bool EmbeddedObjectRef::TryRunningState( const uno::Reference < embed::XEmbeddedObject >& xEmbObj )
854 {
855 	if ( !xEmbObj.is() )
856 		return sal_False;
857 
858     try
859     {
860         if ( xEmbObj->getCurrentState() == embed::EmbedStates::LOADED )
861             xEmbObj->changeState( embed::EmbedStates::RUNNING );
862     }
863     catch ( uno::Exception& )
864     {
865         return sal_False;
866     }
867 
868     return sal_True;
869 }
870 
871 void EmbeddedObjectRef::SetGraphicToContainer( const Graphic& rGraphic,
872                                                 comphelper::EmbeddedObjectContainer& aContainer,
873                                                 const ::rtl::OUString& aName,
874 												const ::rtl::OUString& aMediaType )
875 {
876     SvMemoryStream aStream;
877     aStream.SetVersion( SOFFICE_FILEFORMAT_CURRENT );
878     if ( rGraphic.ExportNative( aStream ) )
879 	{
880 		aStream.Seek( 0 );
881 
882        	uno::Reference < io::XInputStream > xStream = new ::utl::OSeekableInputStreamWrapper( aStream );
883        	aContainer.InsertGraphicStream( xStream, aName, aMediaType );
884 	}
885     else
886         OSL_ENSURE( sal_False, "Export of graphic is failed!\n" );
887 }
888 
889 sal_Bool EmbeddedObjectRef::ObjectIsModified( const uno::Reference< embed::XEmbeddedObject >& xObj )
890 	throw( uno::Exception )
891 {
892 	sal_Bool bResult = sal_False;
893 
894 	sal_Int32 nState = xObj->getCurrentState();
895 	if ( nState != embed::EmbedStates::LOADED && nState != embed::EmbedStates::RUNNING )
896 	{
897 		// the object is active so if the model is modified the replacement
898 		// should be retrieved from the object
899 		uno::Reference< util::XModifiable > xModifiable( xObj->getComponent(), uno::UNO_QUERY );
900 		if ( xModifiable.is() )
901 			bResult = xModifiable->isModified();
902 	}
903 
904 	return bResult;
905 }
906 
907 uno::Reference< io::XInputStream > EmbeddedObjectRef::GetGraphicReplacementStream(
908 																sal_Int64 nViewAspect,
909 																const uno::Reference< embed::XEmbeddedObject >& xObj,
910 																::rtl::OUString* pMediaType )
911 	throw()
912 {
913     return ::comphelper::EmbeddedObjectContainer::GetGraphicReplacementStream(nViewAspect,xObj,pMediaType);
914 }
915 
916 void EmbeddedObjectRef::UpdateReplacementOnDemand()
917 {
918     DELETEZ( mpImp->pGraphic );
919     mpImp->bNeedUpdate = sal_True;
920 	if ( mpImp->pHCGraphic )
921         DELETEZ( mpImp->pHCGraphic );
922     mpImp->mnGraphicVersion++;
923 
924     if( mpImp->pContainer )
925     {
926         //remove graphic from container thus a new up to date one is requested on save
927         mpImp->pContainer->RemoveGraphicStream( mpImp->aPersistName );
928     }
929 }
930 
931 sal_Bool EmbeddedObjectRef::IsChart() const
932 {
933     //todo maybe for 3.0:
934     //if the changes work good for chart
935     //we should apply them for all own ole objects
936 
937     //#i83708# #i81857# #i79578# request an ole replacement image only if really necessary
938     //as this call can be very expensive and does block the user interface as long at it takes
939 
940     if ( !mxObj.is() )
941         return false;
942 
943     SvGlobalName aObjClsId( mxObj->getClassID() );
944     if(
945         SvGlobalName(SO3_SCH_CLASSID_30) == aObjClsId
946         || SvGlobalName(SO3_SCH_CLASSID_40) == aObjClsId
947         || SvGlobalName(SO3_SCH_CLASSID_50) == aObjClsId
948         || SvGlobalName(SO3_SCH_CLASSID_60) == aObjClsId)
949     {
950         return sal_True;
951     }
952 
953     return sal_False;
954 }
955 
956 // MT: Only used for getting accessible attributes, which are not localized
957 rtl::OUString EmbeddedObjectRef::GetChartType()
958 {
959 	rtl::OUString Style;
960 	if ( mxObj.is() )
961 	{
962 		if ( IsChart() )
963 		{
964 			if ( svt::EmbeddedObjectRef::TryRunningState( mxObj ) )
965 			{
966 				uno::Reference< chart2::XChartDocument > xChart( mxObj->getComponent(), uno::UNO_QUERY );
967 				if (xChart.is())
968 				{
969 					uno::Reference< chart2::XDiagram > xDiagram( xChart->getFirstDiagram());
970 					if( ! xDiagram.is())
971 						return String();
972 					uno::Reference< chart2::XCoordinateSystemContainer > xCooSysCnt( xDiagram, uno::UNO_QUERY_THROW );
973 					uno::Sequence< uno::Reference< chart2::XCoordinateSystem > > aCooSysSeq( xCooSysCnt->getCoordinateSystems());
974 					// IA2 CWS. Unused: int nCoordinateCount = aCooSysSeq.getLength();
975 					sal_Bool bGetChartType = sal_False;
976 					for( sal_Int32 nCooSysIdx=0; nCooSysIdx<aCooSysSeq.getLength(); ++nCooSysIdx )
977 					{
978 						uno::Reference< chart2::XChartTypeContainer > xCTCnt( aCooSysSeq[nCooSysIdx], uno::UNO_QUERY_THROW );
979 						uno::Sequence< uno::Reference< chart2::XChartType > > aChartTypes( xCTCnt->getChartTypes());
980 						int nDimesionCount = aCooSysSeq[nCooSysIdx]->getDimension();
981 						if( nDimesionCount == 3 )
982 							Style += rtl::OUString::createFromAscii("3D ");
983 						else
984 							Style += rtl::OUString::createFromAscii("2D ");
985 						for( sal_Int32 nCTIdx=0; nCTIdx<aChartTypes.getLength(); ++nCTIdx )
986 						{
987 							rtl::OUString strChartType = aChartTypes[nCTIdx]->getChartType();
988 							if (strChartType.equals(::rtl::OUString::createFromAscii("com.sun.star.chart2.AreaChartType")))
989 							{
990 								Style += rtl::OUString::createFromAscii("Areas");
991 								bGetChartType = sal_True;
992 							}
993 							else if (strChartType.equals(::rtl::OUString::createFromAscii("com.sun.star.chart2.BarChartType")))
994 							{
995 								Style += rtl::OUString::createFromAscii("Bars");
996 								bGetChartType = sal_True;
997 							}
998 							else if (strChartType.equals(::rtl::OUString::createFromAscii("com.sun.star.chart2.ColumnChartType")))
999 							{
1000 								uno::Reference< beans::XPropertySet > xProp( aCooSysSeq[nCooSysIdx], uno::UNO_QUERY );
1001 								if( xProp.is())
1002 								{
1003 									bool bCurrent = false;
1004 									if( xProp->getPropertyValue( rtl::OUString::createFromAscii("SwapXAndYAxis") ) >>= bCurrent )
1005 									{
1006 										if (bCurrent)
1007 											Style += rtl::OUString::createFromAscii("Bars");
1008 										else
1009 											Style += rtl::OUString::createFromAscii("Columns");
1010 										bGetChartType = sal_True;
1011 									}
1012 								}
1013 							}
1014 							else if (strChartType.equals(::rtl::OUString::createFromAscii("com.sun.star.chart2.LineChartType")))
1015 							{
1016 								Style += rtl::OUString::createFromAscii("Lines");
1017 								bGetChartType = sal_True;
1018 							}
1019 							else if (strChartType.equals(::rtl::OUString::createFromAscii("com.sun.star.chart2.ScatterChartType")))
1020 							{
1021 								Style += rtl::OUString::createFromAscii("XY Chart");
1022 								bGetChartType = sal_True;
1023 							}
1024 							else if (strChartType.equals(::rtl::OUString::createFromAscii("com.sun.star.chart2.PieChartType")))
1025 							{
1026 								Style += rtl::OUString::createFromAscii("Pies");
1027 								bGetChartType = sal_True;
1028 							}
1029 							else if (strChartType.equals(::rtl::OUString::createFromAscii("com.sun.star.chart2.NetChartType")))
1030 							{
1031 								Style += rtl::OUString::createFromAscii("Radar");
1032 								bGetChartType = sal_True;
1033 							}
1034 							else if (strChartType.equals(::rtl::OUString::createFromAscii("com.sun.star.chart2.CandleStickChartType")))
1035 							{
1036 								Style += rtl::OUString::createFromAscii("Candle Stick Chart");
1037 								bGetChartType = sal_True;
1038 							}
1039 							if (bGetChartType)
1040 								return Style;
1041 						}
1042 					}
1043 				}
1044 			}
1045 		}
1046 	}
1047 	return Style;
1048 }
1049 
1050 // #i104867#
1051 sal_uInt32 EmbeddedObjectRef::getGraphicVersion() const
1052 {
1053     return mpImp->mnGraphicVersion;
1054 }
1055 
1056 void EmbeddedObjectRef::SetDefaultSizeForChart( const Size& rSizeIn_100TH_MM )
1057 {
1058     //#i103460# charts do not necessaryly have an own size within ODF files,
1059     //for this case they need to use the size settings from the surrounding frame,
1060     //which is made available with this method
1061 
1062     mpImp->aDefaultSizeForChart_In_100TH_MM = awt::Size( rSizeIn_100TH_MM.getWidth(), rSizeIn_100TH_MM.getHeight() );
1063 
1064     ::com::sun::star::uno::Reference < ::com::sun::star::chart2::XDefaultSizeTransmitter > xSizeTransmitter( mxObj, uno::UNO_QUERY );
1065     DBG_ASSERT( xSizeTransmitter.is(), "Object does not support XDefaultSizeTransmitter -> will cause #i103460#!" );
1066     if( xSizeTransmitter.is() )
1067         xSizeTransmitter->setDefaultSize( mpImp->aDefaultSizeForChart_In_100TH_MM );
1068 }
1069 
1070 } // namespace svt
1071 
1072