xref: /AOO41X/main/ucbhelper/source/provider/contenthelper.cxx (revision ac9096f48ddc8269a54878c5b102c19157b971bd)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_ucbhelper.hxx"
26 /**************************************************************************
27                                 TODO
28  **************************************************************************
29 
30  *************************************************************************/
31 
32 #include <hash_map>
33 #include <com/sun/star/ucb/ContentAction.hpp>
34 #include <com/sun/star/ucb/CommandInfoChange.hpp>
35 #include <com/sun/star/ucb/XPersistentPropertySet.hpp>
36 #include <com/sun/star/beans/PropertyAttribute.hpp>
37 #include <com/sun/star/beans/PropertySetInfoChange.hpp>
38 #include <cppuhelper/interfacecontainer.hxx>
39 
40 #include "osl/diagnose.h"
41 #include "osl/mutex.hxx"
42 #include "rtl/ref.hxx"
43 #include <ucbhelper/contentidentifier.hxx>
44 #include <ucbhelper/contenthelper.hxx>
45 #include <ucbhelper/providerhelper.hxx>
46 #include <ucbhelper/contentinfo.hxx>
47 
48 using namespace com::sun::star;
49 
50 namespace ucbhelper_impl
51 {
52 
53 //=========================================================================
54 //
55 // class PropertyEventSequence.
56 //
57 //=========================================================================
58 
59 class PropertyEventSequence
60 {
61     uno::Sequence< beans::PropertyChangeEvent > m_aSeq;
62     sal_uInt32                                  m_nPos;
63 
64 public:
PropertyEventSequence(sal_uInt32 nSize)65     PropertyEventSequence( sal_uInt32 nSize )
66     : m_aSeq( nSize ), m_nPos( 0 ) {};
67 
append(const beans::PropertyChangeEvent & rEvt)68     void append( const beans::PropertyChangeEvent& rEvt )
69     { m_aSeq.getArray()[ m_nPos ] = rEvt; ++m_nPos; }
70 
getEvents()71     const uno::Sequence< beans::PropertyChangeEvent >& getEvents()
72     { m_aSeq.realloc( m_nPos ); return m_aSeq; }
73 };
74 
75 //=========================================================================
76 //
77 // PropertiesEventListenerMap.
78 //
79 //=========================================================================
80 
81 typedef void* XPropertiesChangeListenerPtr; // -> Compiler problems!
82 
83 struct equalPtr
84 {
operator ()ucbhelper_impl::equalPtr85     bool operator()( const XPropertiesChangeListenerPtr& rp1,
86                      const XPropertiesChangeListenerPtr& rp2 ) const
87     {
88         return ( rp1 == rp2 );
89     }
90 };
91 
92 struct hashPtr
93 {
operator ()ucbhelper_impl::hashPtr94     size_t operator()( const XPropertiesChangeListenerPtr& rp ) const
95     {
96         return (size_t)rp;
97     }
98 };
99 
100 typedef std::hash_map
101 <
102     XPropertiesChangeListenerPtr,
103     PropertyEventSequence*,
104     hashPtr,
105     equalPtr
106 >
107 PropertiesEventListenerMap;
108 
109 //=========================================================================
110 //
111 // PropertyChangeListenerContainer.
112 //
113 //=========================================================================
114 
115 struct equalStr
116 {
operator ()ucbhelper_impl::equalStr117     bool operator()( const rtl::OUString& s1, const rtl::OUString& s2 ) const
118     {
119         return !!( s1 == s2 );
120     }
121 };
122 
123 struct hashStr
124 {
operator ()ucbhelper_impl::hashStr125     size_t operator()( const rtl::OUString& rName ) const
126     {
127         return rName.hashCode();
128     }
129 };
130 
131 typedef cppu::OMultiTypeInterfaceContainerHelperVar
132 <
133     rtl::OUString,
134     hashStr,
135     equalStr
136 > PropertyChangeListeners;
137 
138 //=========================================================================
139 //
140 // struct ContentImplHelper_Impl
141 //
142 //=========================================================================
143 
144 struct ContentImplHelper_Impl
145 {
146     rtl::Reference< ::ucbhelper::PropertySetInfo >      m_xPropSetInfo;
147     rtl::Reference< ::ucbhelper::CommandProcessorInfo > m_xCommandsInfo;
148     cppu::OInterfaceContainerHelper*              m_pDisposeEventListeners;
149     cppu::OInterfaceContainerHelper*              m_pContentEventListeners;
150     cppu::OInterfaceContainerHelper*              m_pPropSetChangeListeners;
151     cppu::OInterfaceContainerHelper*              m_pCommandChangeListeners;
152     PropertyChangeListeners*                      m_pPropertyChangeListeners;
153 
ContentImplHelper_Implucbhelper_impl::ContentImplHelper_Impl154     ContentImplHelper_Impl()
155     : m_pDisposeEventListeners( 0 ),
156       m_pContentEventListeners( 0 ),
157       m_pPropSetChangeListeners( 0 ),
158       m_pCommandChangeListeners( 0 ),
159       m_pPropertyChangeListeners( 0 ) {}
160 
~ContentImplHelper_Implucbhelper_impl::ContentImplHelper_Impl161     ~ContentImplHelper_Impl()
162     {
163         delete m_pDisposeEventListeners;
164         delete m_pContentEventListeners;
165         delete m_pPropSetChangeListeners;
166         delete m_pCommandChangeListeners;
167         delete m_pPropertyChangeListeners;
168     }
169 };
170 
171 } // namespace ucbhelper_impl
172 
173 using namespace ucbhelper_impl;
174 
175 //=========================================================================
176 //=========================================================================
177 //
178 // ContentImplHelper Implementation.
179 //
180 //=========================================================================
181 //=========================================================================
182 
183 namespace ucbhelper {
184 
ContentImplHelper(const uno::Reference<lang::XMultiServiceFactory> & rxSMgr,const rtl::Reference<ContentProviderImplHelper> & rxProvider,const uno::Reference<com::sun::star::ucb::XContentIdentifier> & Identifier)185 ContentImplHelper::ContentImplHelper(
186             const uno::Reference< lang::XMultiServiceFactory >& rxSMgr,
187             const rtl::Reference< ContentProviderImplHelper >& rxProvider,
188             const uno::Reference<
189             com::sun::star::ucb::XContentIdentifier >& Identifier )
190 : m_pImpl( new ContentImplHelper_Impl ),
191   m_xSMgr( rxSMgr ),
192   m_xIdentifier( Identifier ),
193   m_xProvider( rxProvider ),
194   m_nCommandId( 0 )
195 {
196 }
197 
198 //=========================================================================
199 // virtual
~ContentImplHelper()200 ContentImplHelper::~ContentImplHelper()
201 {
202     delete m_pImpl;
203 }
204 
205 //=========================================================================
206 //
207 // XInterface methods.
208 //
209 //=========================================================================
210 
acquire()211 void SAL_CALL ContentImplHelper::acquire()
212     throw()
213 {
214     cppu::OWeakObject::acquire();
215 }
216 
release()217 void SAL_CALL ContentImplHelper::release()
218     throw()
219 {
220     // #144882# - Call to OWeakObject::release may destroy m_xProvider.
221     //            Prevent this.
222     rtl::Reference< ContentProviderImplHelper > xKeepProviderAlive(
223         m_xProvider );
224 
225     {
226         osl::MutexGuard aGuard( m_xProvider->m_aMutex );
227         OWeakObject::release();
228     }
229 }
230 
queryInterface(const uno::Type & rType)231 uno::Any SAL_CALL ContentImplHelper::queryInterface( const uno::Type & rType )
232     throw( uno::RuntimeException )
233 {
234     com::sun::star::uno::Any aRet = cppu::queryInterface( rType,
235             static_cast< lang::XTypeProvider * >(this),
236             static_cast< lang::XServiceInfo * >(this),
237             static_cast< lang::XComponent * >(this),
238             static_cast< com::sun::star::ucb::XContent * >(this),
239             static_cast< com::sun::star::ucb::XCommandProcessor * >(this),
240             static_cast< beans::XPropertiesChangeNotifier * >(this),
241             static_cast< com::sun::star::ucb::XCommandInfoChangeNotifier * >(this),
242             static_cast< beans::XPropertyContainer * >(this),
243             static_cast< beans::XPropertySetInfoChangeNotifier * >(this),
244             static_cast< container::XChild * >(this));
245     return aRet.hasValue() ? aRet : cppu::OWeakObject::queryInterface( rType );
246 }
247 
248 //=========================================================================
249 //
250 // XTypeProvider methods.
251 //
252 //=========================================================================
253 
254 XTYPEPROVIDER_IMPL_10( ContentImplHelper,
255                        lang::XTypeProvider,
256                        lang::XServiceInfo,
257                        lang::XComponent,
258                        com::sun::star::ucb::XContent,
259                        com::sun::star::ucb::XCommandProcessor,
260                        beans::XPropertiesChangeNotifier,
261                        com::sun::star::ucb::XCommandInfoChangeNotifier,
262                        beans::XPropertyContainer,
263                        beans::XPropertySetInfoChangeNotifier,
264                        container::XChild );
265 
266 //=========================================================================
267 //
268 // XServiceInfo methods.
269 //
270 //=========================================================================
271 
272 // virtual
supportsService(const rtl::OUString & ServiceName)273 sal_Bool SAL_CALL ContentImplHelper::supportsService(
274                                             const rtl::OUString& ServiceName )
275     throw( uno::RuntimeException )
276 {
277     uno::Sequence< rtl::OUString > aSNL = getSupportedServiceNames();
278     const rtl::OUString* pArray = aSNL.getConstArray();
279     for ( sal_Int32 i = 0; i < aSNL.getLength(); i++ )
280     {
281         if ( pArray[ i ] == ServiceName )
282             return sal_True;
283     }
284 
285     return sal_False;
286 }
287 
288 //=========================================================================
289 //
290 // XComponent methods.
291 //
292 //=========================================================================
293 
294 // virtual
dispose()295 void SAL_CALL ContentImplHelper::dispose()
296     throw( uno::RuntimeException )
297 {
298     osl::MutexGuard aGuard( m_aMutex );
299 
300     if ( m_pImpl->m_pDisposeEventListeners &&
301          m_pImpl->m_pDisposeEventListeners->getLength() )
302     {
303         lang::EventObject aEvt;
304         aEvt.Source = static_cast< lang::XComponent * >( this );
305         m_pImpl->m_pDisposeEventListeners->disposeAndClear( aEvt );
306     }
307 
308     if ( m_pImpl->m_pContentEventListeners &&
309          m_pImpl->m_pContentEventListeners->getLength() )
310     {
311         lang::EventObject aEvt;
312         aEvt.Source = static_cast< com::sun::star::ucb::XContent * >( this );
313         m_pImpl->m_pContentEventListeners->disposeAndClear( aEvt );
314     }
315 
316     if ( m_pImpl->m_pPropSetChangeListeners &&
317          m_pImpl->m_pPropSetChangeListeners->getLength() )
318     {
319         lang::EventObject aEvt;
320         aEvt.Source
321             = static_cast< beans::XPropertySetInfoChangeNotifier * >( this );
322         m_pImpl->m_pPropSetChangeListeners->disposeAndClear( aEvt );
323     }
324 
325     if ( m_pImpl->m_pCommandChangeListeners &&
326          m_pImpl->m_pCommandChangeListeners->getLength() )
327     {
328         lang::EventObject aEvt;
329         aEvt.Source = static_cast<  com::sun::star::ucb::XCommandInfoChangeNotifier * >( this );
330         m_pImpl->m_pCommandChangeListeners->disposeAndClear( aEvt );
331     }
332 
333     if ( m_pImpl->m_pPropertyChangeListeners )
334     {
335         lang::EventObject aEvt;
336         aEvt.Source
337             = static_cast< beans::XPropertiesChangeNotifier * >( this );
338         m_pImpl->m_pPropertyChangeListeners->disposeAndClear( aEvt );
339     }
340 }
341 
342 //=========================================================================
343 // virtual
addEventListener(const uno::Reference<lang::XEventListener> & Listener)344 void SAL_CALL ContentImplHelper::addEventListener(
345         const uno::Reference< lang::XEventListener >& Listener )
346     throw( uno::RuntimeException )
347 {
348     osl::MutexGuard aGuard( m_aMutex );
349 
350     if ( !m_pImpl->m_pDisposeEventListeners )
351         m_pImpl->m_pDisposeEventListeners
352             = new cppu::OInterfaceContainerHelper( m_aMutex );
353 
354     m_pImpl->m_pDisposeEventListeners->addInterface( Listener );
355 }
356 
357 //=========================================================================
358 // virtual
removeEventListener(const uno::Reference<lang::XEventListener> & Listener)359 void SAL_CALL ContentImplHelper::removeEventListener(
360         const uno::Reference< lang::XEventListener >& Listener )
361     throw( uno::RuntimeException )
362 {
363     osl::MutexGuard aGuard( m_aMutex );
364 
365     if ( m_pImpl->m_pDisposeEventListeners )
366         m_pImpl->m_pDisposeEventListeners->removeInterface( Listener );
367 }
368 
369 //=========================================================================
370 //
371 // XContent methods.
372 //
373 //=========================================================================
374 
375 // virtual
376 uno::Reference< com::sun::star::ucb::XContentIdentifier > SAL_CALL
getIdentifier()377 ContentImplHelper::getIdentifier()
378     throw( uno::RuntimeException )
379 {
380     return m_xIdentifier;
381 }
382 
383 //=========================================================================
384 // virtual
addContentEventListener(const uno::Reference<com::sun::star::ucb::XContentEventListener> & Listener)385 void SAL_CALL ContentImplHelper::addContentEventListener(
386         const uno::Reference< com::sun::star::ucb::XContentEventListener >& Listener )
387     throw( uno::RuntimeException )
388 {
389     osl::MutexGuard aGuard( m_aMutex );
390 
391     if ( !m_pImpl->m_pContentEventListeners )
392         m_pImpl->m_pContentEventListeners
393             = new cppu::OInterfaceContainerHelper( m_aMutex );
394 
395     m_pImpl->m_pContentEventListeners->addInterface( Listener );
396 }
397 
398 //=========================================================================
399 // virtual
removeContentEventListener(const uno::Reference<com::sun::star::ucb::XContentEventListener> & Listener)400 void SAL_CALL ContentImplHelper::removeContentEventListener(
401         const uno::Reference< com::sun::star::ucb::XContentEventListener >& Listener )
402     throw( uno::RuntimeException )
403 {
404     osl::MutexGuard aGuard( m_aMutex );
405 
406     if ( m_pImpl->m_pContentEventListeners )
407         m_pImpl->m_pContentEventListeners->removeInterface( Listener );
408 }
409 
410 //=========================================================================
411 //
412 // XCommandProcessor methods.
413 //
414 //=========================================================================
415 
416 // virtual
createCommandIdentifier()417 sal_Int32 SAL_CALL ContentImplHelper::createCommandIdentifier()
418     throw( uno::RuntimeException )
419 {
420     osl::MutexGuard aGuard( m_aMutex );
421 
422     // Just increase counter on every call to generate an identifier.
423     return ++m_nCommandId;
424 }
425 
426 //=========================================================================
427 //
428 // XPropertiesChangeNotifier methods.
429 //
430 //=========================================================================
431 
432 // virtual
addPropertiesChangeListener(const uno::Sequence<rtl::OUString> & PropertyNames,const uno::Reference<beans::XPropertiesChangeListener> & Listener)433 void SAL_CALL ContentImplHelper::addPropertiesChangeListener(
434         const uno::Sequence< rtl::OUString >& PropertyNames,
435         const uno::Reference< beans::XPropertiesChangeListener >& Listener )
436     throw( uno::RuntimeException )
437 {
438     osl::MutexGuard aGuard( m_aMutex );
439 
440     if ( !m_pImpl->m_pPropertyChangeListeners )
441         m_pImpl->m_pPropertyChangeListeners
442             = new PropertyChangeListeners( m_aMutex );
443 
444     sal_Int32 nCount = PropertyNames.getLength();
445     if ( !nCount )
446     {
447         // Note: An empty sequence means a listener for "all" properties.
448         m_pImpl->m_pPropertyChangeListeners->addInterface(
449             rtl::OUString(), Listener );
450     }
451     else
452     {
453         const rtl::OUString* pSeq = PropertyNames.getConstArray();
454 
455         for ( sal_Int32 n = 0; n < nCount; ++n )
456         {
457             const rtl::OUString& rName = pSeq[ n ];
458             if ( rName.getLength() )
459                 m_pImpl->m_pPropertyChangeListeners->addInterface(
460                     rName, Listener );
461         }
462     }
463 }
464 
465 //=========================================================================
466 // virtual
removePropertiesChangeListener(const uno::Sequence<rtl::OUString> & PropertyNames,const uno::Reference<beans::XPropertiesChangeListener> & Listener)467 void SAL_CALL ContentImplHelper::removePropertiesChangeListener(
468         const uno::Sequence< rtl::OUString >& PropertyNames,
469         const uno::Reference< beans::XPropertiesChangeListener >& Listener )
470     throw( uno::RuntimeException )
471 {
472     osl::MutexGuard aGuard( m_aMutex );
473 
474     if ( !m_pImpl->m_pPropertyChangeListeners )
475         return;
476 
477     sal_Int32 nCount = PropertyNames.getLength();
478     if ( !nCount )
479     {
480         // Note: An empty sequence means a listener for "all" properties.
481         m_pImpl->m_pPropertyChangeListeners->removeInterface(
482             rtl::OUString(), Listener );
483     }
484     else
485     {
486         const rtl::OUString* pSeq = PropertyNames.getConstArray();
487 
488         for ( sal_Int32 n = 0; n < nCount; ++n )
489         {
490             const rtl::OUString& rName = pSeq[ n ];
491             if ( rName.getLength() )
492                 m_pImpl->m_pPropertyChangeListeners->removeInterface(
493                     rName, Listener );
494         }
495     }
496 }
497 
498 //=========================================================================
499 //
500 // XCommandInfoChangeNotifier methods.
501 //
502 //=========================================================================
503 
504 // virtual
addCommandInfoChangeListener(const uno::Reference<com::sun::star::ucb::XCommandInfoChangeListener> & Listener)505 void SAL_CALL ContentImplHelper::addCommandInfoChangeListener(
506         const uno::Reference< com::sun::star::ucb::XCommandInfoChangeListener >& Listener )
507     throw( uno::RuntimeException )
508 {
509     osl::MutexGuard aGuard( m_aMutex );
510 
511     if ( !m_pImpl->m_pCommandChangeListeners )
512         m_pImpl->m_pCommandChangeListeners
513             = new cppu::OInterfaceContainerHelper( m_aMutex );
514 
515     m_pImpl->m_pCommandChangeListeners->addInterface( Listener );
516 }
517 
518 //=========================================================================
519 // virtual
removeCommandInfoChangeListener(const uno::Reference<com::sun::star::ucb::XCommandInfoChangeListener> & Listener)520 void SAL_CALL ContentImplHelper::removeCommandInfoChangeListener(
521         const uno::Reference< com::sun::star::ucb::XCommandInfoChangeListener >& Listener )
522     throw( uno::RuntimeException )
523 {
524     osl::MutexGuard aGuard( m_aMutex );
525 
526     if ( m_pImpl->m_pCommandChangeListeners )
527         m_pImpl->m_pCommandChangeListeners->removeInterface( Listener );
528 }
529 
530 //=========================================================================
531 //
532 // XPropertyContainer methods.
533 //
534 //=========================================================================
535 
536 // virtual
addProperty(const rtl::OUString & Name,sal_Int16 Attributes,const uno::Any & DefaultValue)537 void SAL_CALL ContentImplHelper::addProperty(
538         const rtl::OUString& Name,
539         sal_Int16 Attributes,
540         const uno::Any& DefaultValue )
541     throw( beans::PropertyExistException,
542            beans::IllegalTypeException,
543            lang::IllegalArgumentException,
544            uno::RuntimeException )
545 {
546     osl::MutexGuard aGuard( m_aMutex );
547 
548     //////////////////////////////////////////////////////////////////////
549     // Make sure a property with the requested name does not already
550     // exist in dynamic and static(!) properties.
551     //////////////////////////////////////////////////////////////////////
552 
553     // @@@ Need real command environment here, but where to get it from?
554     //     XPropertyContainer interface should be replaced by
555     //     XCommandProcessor commands!
556     uno::Reference< com::sun::star::ucb::XCommandEnvironment > xEnv;
557 
558     if ( getPropertySetInfo( xEnv )->hasPropertyByName( Name ) )
559     {
560         // Property does already exist.
561         throw beans::PropertyExistException();
562     }
563 
564     //////////////////////////////////////////////////////////////////////
565     // Add a new dynamic property.
566     //////////////////////////////////////////////////////////////////////
567 
568     // Open/create persistent property set.
569     uno::Reference< com::sun::star::ucb::XPersistentPropertySet > xSet(
570                                     getAdditionalPropertySet( sal_True ) );
571 
572     OSL_ENSURE( xSet.is(),
573                 "ContentImplHelper::addProperty - No property set!" );
574 
575     if ( xSet.is() )
576     {
577         uno::Reference< beans::XPropertyContainer > xContainer(
578             xSet, uno::UNO_QUERY );
579 
580         OSL_ENSURE(
581             xContainer.is(),
582             "ContentImplHelper::addProperty - No property container!" );
583 
584         if ( xContainer.is() )
585         {
586             // Property is always removeable.
587             Attributes |= beans::PropertyAttribute::REMOVEABLE;
588 
589             try
590             {
591                 xContainer->addProperty( Name, Attributes, DefaultValue );
592             }
593             catch ( beans::PropertyExistException const & )
594             {
595                 OSL_ENSURE( sal_False,
596                             "ContentImplHelper::addProperty - Exists!" );
597                 throw;
598             }
599             catch ( beans::IllegalTypeException const & )
600             {
601                 OSL_ENSURE( sal_False,
602                             "ContentImplHelper::addProperty - Wrong Type!" );
603                 throw;
604             }
605             catch ( lang::IllegalArgumentException const & )
606             {
607                 OSL_ENSURE( sal_False,
608                             "ContentImplHelper::addProperty - Illegal Arg!" );
609                 throw;
610             }
611 
612             // Success!
613 
614             if ( m_pImpl->m_xPropSetInfo.is() )
615             {
616                 // Info cached in propertyset info is invalid now!
617                 m_pImpl->m_xPropSetInfo->reset();
618             }
619 
620             // Notify propertyset info change listeners.
621             if ( m_pImpl->m_pPropSetChangeListeners &&
622                  m_pImpl->m_pPropSetChangeListeners->getLength() )
623             {
624                 beans::PropertySetInfoChangeEvent evt(
625                             static_cast< cppu::OWeakObject * >( this ),
626                             Name,
627                             -1, // No handle available
628                             beans::PropertySetInfoChange::PROPERTY_INSERTED );
629                 notifyPropertySetInfoChange( evt );
630             }
631         }
632     }
633 }
634 
635 //=========================================================================
636 // virtual
removeProperty(const rtl::OUString & Name)637 void SAL_CALL ContentImplHelper::removeProperty( const rtl::OUString& Name )
638     throw( beans::UnknownPropertyException,
639            beans::NotRemoveableException,
640            uno::RuntimeException )
641 {
642     osl::MutexGuard aGuard( m_aMutex );
643 
644     try
645     {
646         // @@@ Need real command environment here, but where to get it from?
647         //     XPropertyContainer interface should be replaced by
648         //     XCommandProcessor commands!
649         uno::Reference< com::sun::star::ucb::XCommandEnvironment > xEnv;
650 
651         beans::Property aProp
652             = getPropertySetInfo( xEnv )->getPropertyByName( Name );
653 
654         if ( !( aProp.Attributes & beans::PropertyAttribute::REMOVEABLE ) )
655         {
656             // Not removeable!
657             throw beans::NotRemoveableException();
658         }
659     }
660     catch ( beans::UnknownPropertyException const & )
661     {
662         OSL_ENSURE( sal_False, "ContentImplHelper::removeProperty - Unknown!" );
663         throw;
664     }
665 
666     //////////////////////////////////////////////////////////////////////
667     // Try to remove property from dynamic property set.
668     //////////////////////////////////////////////////////////////////////
669 
670     // Open persistent property set, if exists.
671     uno::Reference< com::sun::star::ucb::XPersistentPropertySet > xSet(
672         getAdditionalPropertySet( sal_False ) );
673     if ( xSet.is() )
674     {
675         uno::Reference< beans::XPropertyContainer > xContainer(
676             xSet, uno::UNO_QUERY );
677 
678         OSL_ENSURE(
679             xContainer.is(),
680             "ContentImplHelper::removeProperty - No property container!" );
681 
682         if ( xContainer.is() )
683         {
684             try
685             {
686                 xContainer->removeProperty( Name );
687             }
688             catch ( beans::UnknownPropertyException const & )
689             {
690                 OSL_ENSURE( sal_False,
691                             "ContentImplHelper::removeProperty - Unknown!" );
692                 throw;
693             }
694             catch ( beans::NotRemoveableException const & )
695             {
696                 OSL_ENSURE(
697                     sal_False,
698                     "ContentImplHelper::removeProperty - Unremoveable!" );
699                 throw;
700             }
701 
702             xContainer = 0;
703 
704             // Success!
705 
706             if ( xSet->getPropertySetInfo()->getProperties().getLength() == 0 )
707             {
708                 // Remove empty propertyset from registry.
709                 uno::Reference< com::sun::star::ucb::XPropertySetRegistry >
710                     xReg = xSet->getRegistry();
711                 if ( xReg.is() )
712                 {
713                     rtl::OUString aKey( xSet->getKey() );
714                     xSet = 0;
715                     xReg->removePropertySet( aKey );
716                 }
717             }
718 
719             if ( m_pImpl->m_xPropSetInfo.is() )
720             {
721                 // Info cached in propertyset info is invalid now!
722                 m_pImpl->m_xPropSetInfo->reset();
723             }
724 
725             // Notify propertyset info change listeners.
726             if ( m_pImpl->m_pPropSetChangeListeners &&
727                  m_pImpl->m_pPropSetChangeListeners->getLength() )
728             {
729                 beans::PropertySetInfoChangeEvent evt(
730                             static_cast< cppu::OWeakObject * >( this ),
731                             Name,
732                             -1, // No handle available
733                             beans::PropertySetInfoChange::PROPERTY_REMOVED );
734                 notifyPropertySetInfoChange( evt );
735             }
736         }
737     }
738 }
739 
740 //=========================================================================
741 //
742 // XPropertySetInfoChangeNotifier methods.
743 //
744 //=========================================================================
745 
746 // virtual
addPropertySetInfoChangeListener(const uno::Reference<beans::XPropertySetInfoChangeListener> & Listener)747 void SAL_CALL ContentImplHelper::addPropertySetInfoChangeListener(
748         const uno::Reference< beans::XPropertySetInfoChangeListener >& Listener )
749     throw( uno::RuntimeException )
750 {
751     osl::MutexGuard aGuard( m_aMutex );
752 
753     if ( !m_pImpl->m_pPropSetChangeListeners )
754         m_pImpl->m_pPropSetChangeListeners
755             = new cppu::OInterfaceContainerHelper( m_aMutex );
756 
757     m_pImpl->m_pPropSetChangeListeners->addInterface( Listener );
758 }
759 
760 //=========================================================================
761 // virtual
removePropertySetInfoChangeListener(const uno::Reference<beans::XPropertySetInfoChangeListener> & Listener)762 void SAL_CALL ContentImplHelper::removePropertySetInfoChangeListener(
763         const uno::Reference< beans::XPropertySetInfoChangeListener >& Listener )
764     throw( uno::RuntimeException )
765 {
766     osl::MutexGuard aGuard( m_aMutex );
767 
768     if ( m_pImpl->m_pPropSetChangeListeners )
769         m_pImpl->m_pPropSetChangeListeners->removeInterface( Listener );
770 }
771 
772 //=========================================================================
773 //
774 // XChild methods.
775 //
776 //=========================================================================
777 
778 // virtual
getParent()779 uno::Reference< uno::XInterface > SAL_CALL ContentImplHelper::getParent()
780     throw( uno::RuntimeException )
781 {
782     uno::Reference< uno::XInterface > xParent;
783     rtl::OUString aURL = getParentURL();
784 
785     if ( aURL.getLength() )
786     {
787         uno::Reference< com::sun::star::ucb::XContentIdentifier > xId(
788             new ContentIdentifier( m_xSMgr, aURL ) );
789         try
790         {
791             xParent.set( m_xProvider->queryContent( xId ) );
792         }
793         catch ( com::sun::star::ucb::IllegalIdentifierException const & )
794         {
795         }
796     }
797 
798     return xParent;
799 }
800 
801 //=========================================================================
802 // virtual
setParent(const uno::Reference<uno::XInterface> &)803 void SAL_CALL ContentImplHelper::setParent(
804                                     const uno::Reference< uno::XInterface >& )
805     throw( lang::NoSupportException, uno::RuntimeException )
806 {
807     throw lang::NoSupportException();
808 }
809 
810 //=========================================================================
811 //
812 // Non-interface methods
813 //
814 //=========================================================================
815 
816 uno::Reference< com::sun::star::ucb::XPersistentPropertySet >
getAdditionalPropertySet(sal_Bool bCreate)817 ContentImplHelper::getAdditionalPropertySet( sal_Bool bCreate )
818 {
819     // Get propertyset from provider.
820     return m_xProvider->getAdditionalPropertySet(
821                             m_xIdentifier->getContentIdentifier(), bCreate );
822 }
823 
824 //=========================================================================
renameAdditionalPropertySet(const rtl::OUString & rOldKey,const rtl::OUString & rNewKey,sal_Bool bRecursive)825 sal_Bool ContentImplHelper::renameAdditionalPropertySet(
826     const rtl::OUString& rOldKey,
827     const rtl::OUString& rNewKey,
828     sal_Bool bRecursive )
829 {
830     return m_xProvider->renameAdditionalPropertySet(
831                                             rOldKey, rNewKey, bRecursive );
832 }
833 
834 //=========================================================================
copyAdditionalPropertySet(const rtl::OUString & rSourceKey,const rtl::OUString & rTargetKey,sal_Bool bRecursive)835 sal_Bool ContentImplHelper::copyAdditionalPropertySet(
836     const rtl::OUString& rSourceKey,
837     const rtl::OUString& rTargetKey,
838     sal_Bool bRecursive )
839 {
840     return m_xProvider->copyAdditionalPropertySet(
841                                         rSourceKey, rTargetKey, bRecursive );
842 }
843 
844 //=========================================================================
removeAdditionalPropertySet(sal_Bool bRecursive)845 sal_Bool ContentImplHelper::removeAdditionalPropertySet( sal_Bool bRecursive )
846 {
847     return m_xProvider->removeAdditionalPropertySet(
848                     m_xIdentifier->getContentIdentifier(), bRecursive );
849 }
850 
851 //=========================================================================
notifyPropertiesChange(const uno::Sequence<beans::PropertyChangeEvent> & evt) const852 void ContentImplHelper::notifyPropertiesChange(
853     const uno::Sequence< beans::PropertyChangeEvent >& evt ) const
854 {
855     if ( !m_pImpl->m_pPropertyChangeListeners )
856         return;
857 
858     sal_Int32 nCount = evt.getLength();
859     if ( nCount )
860     {
861         // First, notify listeners interested in changes of every property.
862         cppu::OInterfaceContainerHelper* pAllPropsContainer
863             = m_pImpl->m_pPropertyChangeListeners->getContainer(
864                 rtl::OUString() );
865         if ( pAllPropsContainer )
866         {
867             cppu::OInterfaceIteratorHelper aIter( *pAllPropsContainer );
868             while ( aIter.hasMoreElements() )
869             {
870                 // Propagate event.
871                 uno::Reference< beans::XPropertiesChangeListener > xListener(
872                     aIter.next(), uno::UNO_QUERY );
873                 if ( xListener.is() )
874                     xListener->propertiesChange( evt );
875             }
876         }
877 
878         PropertiesEventListenerMap aListeners;
879 
880         const beans::PropertyChangeEvent* pEvents = evt.getConstArray();
881 
882         for ( sal_Int32 n = 0; n < nCount; ++n )
883         {
884             const beans::PropertyChangeEvent& rEvent = pEvents[ n ];
885             const rtl::OUString& rName = rEvent.PropertyName;
886 
887             cppu::OInterfaceContainerHelper* pPropsContainer
888                 = m_pImpl->m_pPropertyChangeListeners->getContainer( rName );
889             if ( pPropsContainer )
890             {
891                 cppu::OInterfaceIteratorHelper aIter( *pPropsContainer );
892                 while ( aIter.hasMoreElements() )
893                 {
894                     PropertyEventSequence* p = NULL;
895 
896                     beans::XPropertiesChangeListener* pListener =
897                         static_cast< beans::XPropertiesChangeListener * >(
898                                                             aIter.next() );
899                     PropertiesEventListenerMap::iterator it =
900                             aListeners.find( pListener );
901                     if ( it == aListeners.end() )
902                     {
903                         // Not in map - create and insert new entry.
904                         p = new PropertyEventSequence( nCount );
905                         aListeners[ pListener ] = p;
906                     }
907                     else
908                         p = (*it).second;
909 
910                     if ( p )
911                         p->append( rEvent );
912                 }
913             }
914         }
915 
916         // Notify listeners.
917         PropertiesEventListenerMap::iterator it = aListeners.begin();
918         while ( !aListeners.empty() )
919         {
920             beans::XPropertiesChangeListener* pListener =
921                 static_cast< beans::XPropertiesChangeListener * >( (*it).first );
922             PropertyEventSequence* pSeq = (*it).second;
923 
924             // Remove current element.
925             aListeners.erase( it );
926 
927             // Propagate event.
928             pListener->propertiesChange( pSeq->getEvents() );
929 
930             delete pSeq;
931 
932             it = aListeners.begin();
933         }
934     }
935 }
936 
937 //=========================================================================
notifyPropertySetInfoChange(const beans::PropertySetInfoChangeEvent & evt) const938 void ContentImplHelper::notifyPropertySetInfoChange(
939     const beans::PropertySetInfoChangeEvent& evt ) const
940 {
941     if ( !m_pImpl->m_pPropSetChangeListeners )
942         return;
943 
944     // Notify event listeners.
945     cppu::OInterfaceIteratorHelper aIter( *m_pImpl->m_pPropSetChangeListeners );
946     while ( aIter.hasMoreElements() )
947     {
948         // Propagate event.
949         uno::Reference< beans::XPropertySetInfoChangeListener >
950             xListener( aIter.next(), uno::UNO_QUERY );
951         if ( xListener.is() )
952             xListener->propertySetInfoChange( evt );
953     }
954 }
955 
956 //=========================================================================
notifyCommandInfoChange(const com::sun::star::ucb::CommandInfoChangeEvent & evt) const957 void ContentImplHelper::notifyCommandInfoChange(
958     const com::sun::star::ucb::CommandInfoChangeEvent& evt ) const
959 {
960     if ( !m_pImpl->m_pCommandChangeListeners )
961         return;
962 
963     // Notify event listeners.
964     cppu::OInterfaceIteratorHelper aIter(
965         *m_pImpl->m_pCommandChangeListeners );
966     while ( aIter.hasMoreElements() )
967     {
968         // Propagate event.
969         uno::Reference< com::sun::star::ucb::XCommandInfoChangeListener >
970             xListener( aIter.next(), uno::UNO_QUERY );
971         if ( xListener.is() )
972             xListener->commandInfoChange( evt );
973     }
974 }
975 
976 //=========================================================================
notifyContentEvent(const com::sun::star::ucb::ContentEvent & evt) const977 void ContentImplHelper::notifyContentEvent(
978     const com::sun::star::ucb::ContentEvent& evt ) const
979 {
980     if ( !m_pImpl->m_pContentEventListeners )
981         return;
982 
983     // Notify event listeners.
984     cppu::OInterfaceIteratorHelper aIter( *m_pImpl->m_pContentEventListeners );
985     while ( aIter.hasMoreElements() )
986     {
987         // Propagate event.
988         uno::Reference<
989             com::sun::star::ucb::XContentEventListener > xListener(
990                 aIter.next(), uno::UNO_QUERY );
991         if ( xListener.is() )
992             xListener->contentEvent( evt );
993     }
994 }
995 
996 //=========================================================================
inserted()997 void ContentImplHelper::inserted()
998 {
999     // Content is not yet registered at provider.
1000     m_xProvider->registerNewContent( this );
1001 
1002     // If the parent content is currently not instanciated, there can be
1003     // no listeners interested in changes ;-)
1004 
1005     rtl::Reference< ContentImplHelper > xParent
1006                 = m_xProvider->queryExistingContent( getParentURL() );
1007 
1008     if ( xParent.is() )
1009     {
1010         com::sun::star::ucb::ContentEvent aEvt(
1011             static_cast< cppu::OWeakObject * >( xParent.get() ), // Source
1012             com::sun::star::ucb::ContentAction::INSERTED,        // Action
1013             this,                                                // Content
1014             xParent->getIdentifier() );                          // Id
1015         xParent->notifyContentEvent( aEvt );
1016     }
1017 }
1018 
1019 //=========================================================================
deleted()1020 void ContentImplHelper::deleted()
1021 {
1022     uno::Reference< com::sun::star::ucb::XContent > xThis = this;
1023 
1024     rtl::Reference< ContentImplHelper > xParent
1025                     = m_xProvider->queryExistingContent( getParentURL() );
1026 
1027     if ( xParent.is() )
1028     {
1029         // Let parent notify "REMOVED" event.
1030         com::sun::star::ucb::ContentEvent aEvt(
1031             static_cast< cppu::OWeakObject * >( xParent.get() ),
1032             com::sun::star::ucb::ContentAction::REMOVED,
1033             this,
1034             xParent->getIdentifier()    );
1035         xParent->notifyContentEvent( aEvt );
1036     }
1037 
1038     // Notify "DELETED" event.
1039     com::sun::star::ucb::ContentEvent aEvt1(
1040         static_cast< cppu::OWeakObject * >( this ),
1041         com::sun::star::ucb::ContentAction::DELETED,
1042         this,
1043         getIdentifier() );
1044     notifyContentEvent( aEvt1 );
1045 
1046     m_xProvider->removeContent( this );
1047 }
1048 
1049 //=========================================================================
exchange(const uno::Reference<com::sun::star::ucb::XContentIdentifier> & rNewId)1050 sal_Bool ContentImplHelper::exchange(
1051     const uno::Reference< com::sun::star::ucb::XContentIdentifier >& rNewId )
1052 {
1053     uno::Reference< com::sun::star::ucb::XContent > xThis = this;
1054 
1055     osl::ClearableMutexGuard aGuard( m_aMutex );
1056 
1057     rtl::Reference< ContentImplHelper > xContent
1058         = m_xProvider->queryExistingContent( rNewId );
1059     if ( xContent.is() )
1060     {
1061         // @@@
1062         // Big trouble. Another object with the new identity exists.
1063         // How shall I mutate to / merge with the other object?
1064         return sal_False;
1065     }
1066 
1067     uno::Reference< com::sun::star::ucb::XContentIdentifier > xOldId
1068         = getIdentifier();
1069 
1070     // Re-insert at provider.
1071     m_xProvider->removeContent( this );
1072     m_xIdentifier = rNewId;
1073     m_xProvider->registerNewContent( this );
1074 
1075     aGuard.clear();
1076 
1077     // Notify "EXCHANGED" event.
1078     com::sun::star::ucb::ContentEvent aEvt(
1079         static_cast< cppu::OWeakObject * >( this ),
1080         com::sun::star::ucb::ContentAction::EXCHANGED,
1081         this,
1082         xOldId );
1083     notifyContentEvent( aEvt );
1084     return sal_True;
1085 }
1086 
1087 //=========================================================================
1088 uno::Reference< com::sun::star::ucb::XCommandInfo >
getCommandInfo(const uno::Reference<com::sun::star::ucb::XCommandEnvironment> & xEnv,sal_Bool bCache)1089 ContentImplHelper::getCommandInfo(
1090     const uno::Reference< com::sun::star::ucb::XCommandEnvironment > & xEnv,
1091     sal_Bool bCache )
1092 {
1093     osl::MutexGuard aGuard( m_aMutex );
1094 
1095     if ( !m_pImpl->m_xCommandsInfo.is() )
1096         m_pImpl->m_xCommandsInfo
1097             = new CommandProcessorInfo( m_xSMgr, xEnv, this );
1098     else if ( !bCache )
1099         m_pImpl->m_xCommandsInfo->reset();
1100 
1101     return uno::Reference< com::sun::star::ucb::XCommandInfo >(
1102         m_pImpl->m_xCommandsInfo.get() );
1103 }
1104 
1105 //=========================================================================
1106 uno::Reference< beans::XPropertySetInfo >
getPropertySetInfo(const uno::Reference<com::sun::star::ucb::XCommandEnvironment> & xEnv,sal_Bool bCache)1107 ContentImplHelper::getPropertySetInfo(
1108     const uno::Reference< com::sun::star::ucb::XCommandEnvironment > & xEnv,
1109     sal_Bool bCache )
1110 {
1111     osl::MutexGuard aGuard( m_aMutex );
1112 
1113     if ( !m_pImpl->m_xPropSetInfo.is() )
1114         m_pImpl->m_xPropSetInfo
1115             = new PropertySetInfo( m_xSMgr, xEnv, this );
1116     else if ( !bCache )
1117         m_pImpl->m_xPropSetInfo->reset();
1118 
1119     return uno::Reference< beans::XPropertySetInfo >(
1120                                     m_pImpl->m_xPropSetInfo.get() );
1121 }
1122 
1123 } // namespace ucbhelper
1124