extensions/source/propctrlr/genericpropertyhandler.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "genericpropertyhandler.hxx"
  21 #include "formmetadata.hxx"
  22 #include "handlerhelper.hxx"
  23 #include "pcrservices.hxx"
  24
  25 #include <com/sun/star/container/XHierarchicalNameAccess.hpp>
  26 #include <com/sun/star/lang/NullPointerException.hpp>
  27 #include <com/sun/star/reflection/XEnumTypeDescription.hpp>
  28 #include <com/sun/star/beans/theIntrospection.hpp>
  29 #include <com/sun/star/inspection/PropertyControlType.hpp>
  30 #include <com/sun/star/inspection/XHyperlinkControl.hpp>
  31 #include <com/sun/star/awt/XActionListener.hpp>
  32 #include <com/sun/star/script/Converter.hpp>
  33 #include <com/sun/star/util/URLTransformer.hpp>
  34 #include <com/sun/star/util/XURLTransformer.hpp>
  35 #include <com/sun/star/frame/Desktop.hpp>
  36
  37 #include <cppuhelper/implbase.hxx>
  38 #include <cppuhelper/supportsservice.hxx>
  39 #include <comphelper/extract.hxx>
  40 #include <comphelper/types.hxx>
  41 #include <tools/debug.hxx>
  42
  43 #include <algorithm>
  44 #include <o3tl/functional.hxx>
  45
  46 extern "C" void createRegistryInfo_GenericPropertyHandler()
  47 {
  48     ::pcr::OAutoRegistration< ::pcr::GenericPropertyHandler > aAutoRegistration;
  49 }
  50
  51 namespace pcr
  52 {
  53
  54     using namespace ::com::sun::star::uno;
  55     using namespace ::com::sun::star::beans;
  56     using namespace ::com::sun::star::script;
  57     using namespace ::com::sun::star::frame;
  58     using namespace ::com::sun::star::lang;
  59     using namespace ::com::sun::star::util;
  60     using namespace ::com::sun::star::container;
  61     using namespace ::com::sun::star::reflection;
  62     using namespace ::com::sun::star::inspection;
  63     using ::com::sun::star::awt::XActionListener;
  64     using ::com::sun::star::awt::ActionEvent;
  65
  66     class EnumRepresentation : public IPropertyEnumRepresentation
  67     {
  68     private:
  69         Reference< XEnumTypeDescription >   m_xTypeDescription;
  70         Type                                m_aEnumType;
  71
  72     public:
  73         EnumRepresentation( const Reference< XComponentContext >& _rxContext, const Type& _rEnumType );
  74         EnumRepresentation(const EnumRepresentation&) = delete;
  75         EnumRepresentation& operator=(const EnumRepresentation&) = delete;
  76
  77         // IPropertyEnumRepresentation implementqation
  78         virtual std::vector< OUString >
  79                                     getDescriptions() const override;
  80         virtual void                getValueFromDescription( const OUString& _rDescription, css::uno::Any& _out_rValue ) const override;
  81         virtual OUString            getDescriptionForValue( const css::uno::Any& _rEnumValue ) const override;
  82
  83     private:
  84         void            impl_getValues( Sequence< sal_Int32 >& _out_rValues ) const;
  85     };
  86
  87     EnumRepresentation::EnumRepresentation( const Reference< XComponentContext >& _rxContext, const Type& _rEnumType )
  88         :m_aEnumType( _rEnumType )
  89     {
  90         try
  91         {
  92             if ( _rxContext.is() )
  93             {
  94                 Reference< XHierarchicalNameAccess > xTypeDescProv(
  95                     _rxContext->getValueByName("/singletons/com.sun.star.reflection.theTypeDescriptionManager"),
  96                     UNO_QUERY_THROW );
  97
  98                 m_xTypeDescription.set( xTypeDescProv->getByHierarchicalName( m_aEnumType.getTypeName() ), UNO_QUERY_THROW );
  99             }
 100         }
 101         catch( const Exception& )
 102         {
 103             OSL_FAIL( "EnumRepresentation::EnumRepresentation: caught an exception!" );
 104         }
 105     }
 106
 107     std::vector< OUString > EnumRepresentation::getDescriptions() const
 108     {
 109         Sequence< OUString > aNames;
 110         try
 111         {
 112             if ( m_xTypeDescription.is() )
 113                 aNames = m_xTypeDescription->getEnumNames();
 114         }
 115         catch( const Exception& )
 116         {
 117             OSL_FAIL( "EnumRepresentation::getDescriptions: caught an exception!" );
 118         }
 119
 120         return std::vector< OUString >( aNames.begin(), aNames.end() );
 121     }
 122
 123     void EnumRepresentation::impl_getValues( Sequence< sal_Int32 >& _out_rValues ) const
 124     {
 125         _out_rValues.realloc( 0 );
 126         try
 127         {
 128             if  ( m_xTypeDescription.is() )
 129                 _out_rValues = m_xTypeDescription->getEnumValues();
 130         }
 131         catch( const Exception& )
 132         {
 133             OSL_FAIL( "EnumRepresentation::impl_getValues: caught an exception!" );
 134         }
 135     }
 136
 137     void EnumRepresentation::getValueFromDescription( const OUString& _rDescription, Any& _out_rValue ) const
 138     {
 139         std::vector< OUString > aDescriptions( getDescriptions() );
 140
 141         sal_Int32 index = std::find( aDescriptions.begin(), aDescriptions.end(),
 142             _rDescription ) - aDescriptions.begin();
 143
 144         Sequence< sal_Int32 > aValues;
 145         impl_getValues( aValues );
 146
 147         if ( ( index >= 0 ) && ( index < aValues.getLength() ) )
 148             _out_rValue = ::cppu::int2enum( aValues[ index ], m_aEnumType );
 149         else
 150         {
 151             OSL_FAIL( "EnumRepresentation::getValueFromDescription: cannot convert!" );
 152             _out_rValue.clear();
 153         }
 154     }
 155
 156     OUString EnumRepresentation::getDescriptionForValue( const Any& _rEnumValue ) const
 157     {
 158         OUString sDescription;
 159
 160         sal_Int32 nAsInt = 0;
 161         OSL_VERIFY( ::cppu::enum2int( nAsInt, _rEnumValue ) );
 162
 163         Sequence< sal_Int32 > aValues;
 164         impl_getValues( aValues );
 165
 166         sal_Int32 index = std::find( aValues.begin(), aValues.end(), nAsInt ) - aValues.begin();
 167
 168         std::vector< OUString > aDescriptions( getDescriptions() );
 169         if ( ( index >= 0 ) && ( index < static_cast<sal_Int32>(aDescriptions.size()) ) )
 170             sDescription = aDescriptions[ index ];
 171         else
 172         {
 173              OSL_FAIL( "EnumRepresentation::getDescriptionForValue: cannot convert!" );
 174         }
 175         return sDescription;
 176     }
 177
 178     typedef ::cppu::WeakImplHelper <   XActionListener
 179                                     >   UrlClickHandler_Base;
 180     class UrlClickHandler : public UrlClickHandler_Base
 181     {
 182         Reference<XComponentContext>    m_xContext;
 183     public:
 184         UrlClickHandler( const Reference<XComponentContext>& _rContext, const Reference< XHyperlinkControl >& _rxControl );
 185
 186     protected:
 187         virtual ~UrlClickHandler() override;
 188
 189         // XActionListener
 190         virtual void SAL_CALL actionPerformed( const ActionEvent& rEvent ) override;
 191
 192         // XEventListener
 193         virtual void SAL_CALL disposing( const EventObject& Source ) override;
 194
 195     protected:
 196         void impl_dispatch_throw( const OUString& _rURL );
 197     };
 198
 199
 200     UrlClickHandler::UrlClickHandler( const Reference<XComponentContext>& _rContext, const Reference< XHyperlinkControl >& _rxControl )
 201         :m_xContext( _rContext )
 202     {
 203         if ( !_rxControl.is() )
 204             throw NullPointerException();
 205
 206         osl_atomic_increment( &m_refCount );
 207         {
 208             _rxControl->addActionListener( this );
 209         }
 210         osl_atomic_decrement( &m_refCount );
 211         OSL_ENSURE( m_refCount > 0, "UrlClickHandler::UrlClickHandler: leaking!" );
 212
 213     }
 214
 215     UrlClickHandler::~UrlClickHandler()
 216     {
 217     }
 218
 219     void SAL_CALL UrlClickHandler::actionPerformed( const ActionEvent& rEvent )
 220     {
 221         Reference< XPropertyControl > xControl( rEvent.Source, UNO_QUERY_THROW );
 222         Any aControlValue( xControl->getValue() );
 223
 224         OUString sURL;
 225         if ( aControlValue.hasValue() && !( aControlValue >>= sURL ) )
 226             throw RuntimeException( OUString(), *this );
 227
 228         if ( sURL.isEmpty() )
 229             return;
 230
 231         impl_dispatch_throw( sURL );
 232     }
 233
 234     void SAL_CALL UrlClickHandler::disposing( const EventObject& /*Source*/ )
 235     {
 236         // not interested in
 237     }
 238
 239     void UrlClickHandler::impl_dispatch_throw( const OUString& _rURL )
 240     {
 241         Reference< XURLTransformer > xTransformer( URLTransformer::create(m_xContext) );
 242         URL aURL; aURL.Complete = ".uno:OpenHyperlink";
 243         xTransformer->parseStrict( aURL );
 244
 245         Reference< XDesktop2 > xDispProv = Desktop::create( m_xContext );
 246         Reference< XDispatch > xDispatch( xDispProv->queryDispatch( aURL, OUString(), 0 ), UNO_SET_THROW );
 247
 248         Sequence< PropertyValue > aDispatchArgs(1);
 249         aDispatchArgs[0].Name   = "URL";
 250         aDispatchArgs[0].Value  <<= _rURL;
 251
 252         xDispatch->dispatch( aURL, aDispatchArgs );
 253     }
 254
 255
 256     GenericPropertyHandler::GenericPropertyHandler( const Reference< XComponentContext >& _rxContext )
 257         :GenericPropertyHandler_Base( m_aMutex )
 258         ,m_xContext( _rxContext )
 259         ,m_aPropertyListeners( m_aMutex )
 260         ,m_bPropertyMapInitialized( false )
 261     {
 262         m_xTypeConverter = Converter::create(_rxContext);
 263     }
 264
 265     GenericPropertyHandler::~GenericPropertyHandler()
 266     {
 267     }
 268
 269     OUString SAL_CALL GenericPropertyHandler::getImplementationName(  )
 270     {
 271         return getImplementationName_static();
 272     }
 273
 274     sal_Bool SAL_CALL GenericPropertyHandler::supportsService( const OUString& ServiceName )
 275     {
 276         return cppu::supportsService(this, ServiceName);
 277     }
 278
 279     Sequence< OUString > SAL_CALL GenericPropertyHandler::getSupportedServiceNames(  )
 280     {
 281         return getSupportedServiceNames_static();
 282     }
 283
 284     OUString GenericPropertyHandler::getImplementationName_static(  )
 285     {
 286         return OUString( "com.sun.star.comp.extensions.GenericPropertyHandler" );
 287     }
 288
 289     Sequence< OUString > GenericPropertyHandler::getSupportedServiceNames_static(  )
 290     {
 291         Sequence<OUString> aSupported { "com.sun.star.inspection.GenericPropertyHandler" };
 292         return aSupported;
 293     }
 294
 295     Reference< XInterface > GenericPropertyHandler::Create( const Reference< XComponentContext >& _rxContext )
 296     {
 297         return *( new GenericPropertyHandler( _rxContext ) );
 298     }
 299
 300     void SAL_CALL GenericPropertyHandler::inspect( const Reference< XInterface >& _rxIntrospectee )
 301     {
 302         ::osl::MutexGuard aGuard( m_aMutex );
 303
 304         if ( !_rxIntrospectee.is() )
 305             throw NullPointerException();
 306
 307         // revoke old property change listeners
 308         ::comphelper::OInterfaceIteratorHelper2 iterRemove( m_aPropertyListeners );
 309         ::comphelper::OInterfaceIteratorHelper2 iterReAdd( m_aPropertyListeners ); // this holds a copy of the container ...
 310         while ( iterRemove.hasMoreElements() )
 311             m_xComponent->removePropertyChangeListener( OUString(), static_cast< XPropertyChangeListener* >( iterRemove.next() ) );
 312
 313         m_xComponentIntrospectionAccess.clear();
 314         m_xComponent.clear();
 315         m_xPropertyState.clear();
 316
 317         // create an introspection adapter for the component
 318         Reference< XIntrospection > xIntrospection = theIntrospection::get( m_xContext );
 319
 320         Reference< XIntrospectionAccess > xIntrospectionAccess( xIntrospection->inspect( makeAny( _rxIntrospectee ) ) );
 321         if ( !xIntrospectionAccess.is() )
 322             throw RuntimeException("The introspection service could not handle the given component.", *this );
 323
 324         m_xComponent.set( xIntrospectionAccess->queryAdapter( cppu::UnoType<XPropertySet>::get() ), UNO_QUERY_THROW );
 325         // now that we survived so far, remember m_xComponentIntrospectionAccess
 326         m_xComponentIntrospectionAccess = xIntrospectionAccess;
 327         m_xPropertyState.set(m_xComponent, css::uno::UNO_QUERY);
 328
 329         m_bPropertyMapInitialized = false;
 330         m_aProperties.clear();
 331
 332         // re-add the property change listeners
 333         while ( iterReAdd.hasMoreElements() )
 334             m_xComponent->addPropertyChangeListener( OUString(), static_cast< XPropertyChangeListener* >( iterReAdd.next() ) );
 335     }
 336
 337     Any SAL_CALL GenericPropertyHandler::getPropertyValue( const OUString& _rPropertyName )
 338     {
 339         ::osl::MutexGuard aGuard( m_aMutex );
 340         if ( !m_xComponent.is() )
 341             throw UnknownPropertyException();
 342
 343         return m_xComponent->getPropertyValue( _rPropertyName );
 344     }
 345
 346     void SAL_CALL GenericPropertyHandler::setPropertyValue( const OUString& _rPropertyName, const Any& _rValue )
 347     {
 348         ::osl::MutexGuard aGuard( m_aMutex );
 349         if ( !m_xComponent.is() )
 350             throw UnknownPropertyException();
 351
 352         m_xComponent->setPropertyValue( _rPropertyName, _rValue );
 353     }
 354
 355     ::rtl::Reference< IPropertyEnumRepresentation > GenericPropertyHandler::impl_getEnumConverter( const Type& _rEnumType )
 356     {
 357         ::rtl::Reference< IPropertyEnumRepresentation >& rConverter = m_aEnumConverters[ _rEnumType ];
 358         if ( !rConverter.is() )
 359             rConverter = new EnumRepresentation( m_xContext, _rEnumType );
 360         return rConverter;
 361     }
 362
 363     Any SAL_CALL GenericPropertyHandler::convertToPropertyValue( const OUString& _rPropertyName, const Any& _rControlValue )
 364     {
 365         ::osl::MutexGuard aGuard( m_aMutex );
 366         impl_ensurePropertyMap();
 367
 368         PropertyMap::const_iterator pos = m_aProperties.find( _rPropertyName );
 369         if ( pos == m_aProperties.end() )
 370             throw UnknownPropertyException();
 371
 372         Any aPropertyValue;
 373         if ( !_rControlValue.hasValue() )
 374             // NULL is converted to NULL
 375             return aPropertyValue;
 376
 377         if ( pos->second.Type.getTypeClass() == TypeClass_ENUM )
 378         {
 379             OUString sControlValue;
 380             OSL_VERIFY( _rControlValue >>= sControlValue );
 381             impl_getEnumConverter( pos->second.Type )->getValueFromDescription( sControlValue, aPropertyValue );
 382         }
 383         else
 384             aPropertyValue = PropertyHandlerHelper::convertToPropertyValue( m_xContext, m_xTypeConverter, pos->second, _rControlValue );
 385
 386         return aPropertyValue;
 387     }
 388
 389     Any SAL_CALL GenericPropertyHandler::convertToControlValue( const OUString& _rPropertyName, const Any& _rPropertyValue, const Type& _rControlValueType )
 390     {
 391         ::osl::MutexGuard aGuard( m_aMutex );
 392         impl_ensurePropertyMap();
 393
 394         PropertyMap::const_iterator pos = m_aProperties.find( _rPropertyName );
 395         if ( pos == m_aProperties.end() )
 396             throw UnknownPropertyException();
 397
 398         Any aControlValue;
 399         if ( !_rPropertyValue.hasValue() )
 400             // NULL is converted to NULL
 401             return aControlValue;
 402
 403         if ( pos->second.Type.getTypeClass() == TypeClass_ENUM )
 404         {
 405             aControlValue <<= impl_getEnumConverter( pos->second.Type )->getDescriptionForValue( _rPropertyValue );
 406         }
 407         else
 408             aControlValue = PropertyHandlerHelper::convertToControlValue( m_xContext, m_xTypeConverter, _rPropertyValue, _rControlValueType );
 409         return aControlValue;
 410     }
 411
 412     PropertyState SAL_CALL GenericPropertyHandler::getPropertyState( const OUString& _rPropertyName )
 413     {
 414         ::osl::MutexGuard aGuard( m_aMutex );
 415         PropertyState eState = PropertyState_DIRECT_VALUE;
 416         if ( m_xPropertyState.is() )
 417             eState = m_xPropertyState->getPropertyState( _rPropertyName );
 418         return eState;
 419     }
 420
 421     void SAL_CALL GenericPropertyHandler::addPropertyChangeListener(const Reference< XPropertyChangeListener >& _rxListener)
 422     {
 423         if ( !_rxListener.is() )
 424             throw NullPointerException();
 425
 426         ::osl::MutexGuard aGuard( m_aMutex );
 427         m_aPropertyListeners.addInterface( _rxListener );
 428         if ( m_xComponent.is() )
 429         {
 430             try
 431             {
 432                 m_xComponent->addPropertyChangeListener( OUString(), _rxListener );
 433             }
 434             catch( const UnknownPropertyException& )
 435             {
 436                 OSL_FAIL( "GenericPropertyHandler::addPropertyChangeListener:\nThe inspected component does not allow registering for all properties at once! This violates the interface contract!" );
 437             }
 438         }
 439     }
 440
 441     void SAL_CALL GenericPropertyHandler::removePropertyChangeListener( const Reference< XPropertyChangeListener >& _rxListener )
 442     {
 443         ::osl::MutexGuard aGuard( m_aMutex );
 444         if ( m_xComponent.is() )
 445         {
 446             try
 447             {
 448                 m_xComponent->removePropertyChangeListener( OUString(), _rxListener );
 449             }
 450             catch( const UnknownPropertyException& )
 451             {
 452                 OSL_FAIL( "GenericPropertyHandler::removePropertyChangeListener:\nThe inspected component does not allow de-registering for all properties at once! This violates the interface contract!" );
 453             }
 454         }
 455         m_aPropertyListeners.removeInterface( _rxListener );
 456     }
 457
 458     void GenericPropertyHandler::impl_ensurePropertyMap()
 459     {
 460         if ( !m_bPropertyMapInitialized )
 461         {
 462             m_bPropertyMapInitialized = true;
 463             try
 464             {
 465                 Reference< XPropertySetInfo > xPSI;
 466                 if ( m_xComponent.is() )
 467                     xPSI = m_xComponent->getPropertySetInfo();
 468                 Sequence< Property > aProperties;
 469                 if ( xPSI.is() )
 470                     aProperties = xPSI->getProperties();
 471                 DBG_ASSERT( aProperties.hasElements(), "GenericPropertyHandler::getSupportedProperties: no properties!" );
 472
 473                 for ( auto const & property : aProperties )
 474                 {
 475                     switch ( property.Type.getTypeClass() )
 476                     {
 477                     case TypeClass_BOOLEAN:
 478                     case TypeClass_BYTE:
 479                     case TypeClass_SHORT:
 480                     case TypeClass_UNSIGNED_SHORT:
 481                     case TypeClass_LONG:
 482                     case TypeClass_UNSIGNED_LONG:
 483                     case TypeClass_HYPER:
 484                     case TypeClass_UNSIGNED_HYPER:
 485                     case TypeClass_FLOAT:
 486                     case TypeClass_DOUBLE:
 487                     case TypeClass_ENUM:
 488                     case TypeClass_STRING:
 489                         // allowed, we can handle this type
 490                         break;
 491
 492                     case TypeClass_SEQUENCE:
 493                     {
 494                         TypeClass eElementTypeClass = ::comphelper::getSequenceElementType( property.Type ).getTypeClass();
 495                         if  (   ( eElementTypeClass != TypeClass_STRING )
 496                             &&  ( eElementTypeClass != TypeClass_BYTE )
 497                             &&  ( eElementTypeClass != TypeClass_SHORT )
 498                             &&  ( eElementTypeClass != TypeClass_UNSIGNED_SHORT )
 499                             &&  ( eElementTypeClass != TypeClass_LONG )
 500                             &&  ( eElementTypeClass != TypeClass_UNSIGNED_LONG )
 501                             )
 502                             // can only handle the above
 503                             continue;
 504                     }
 505                     break;
 506
 507                     default:
 508                         // next property, we don't support this type
 509                         continue;
 510                     }
 511
 512                     m_aProperties.emplace( property.Name, property );
 513                 }
 514             }
 515             catch( const Exception& )
 516             {
 517                 OSL_FAIL( "GenericPropertyHandler::impl_ensurePropertyMap: caught an exception!" );
 518             }
 519         }
 520     }
 521
 522     Sequence< Property > SAL_CALL GenericPropertyHandler::getSupportedProperties()
 523     {
 524         ::osl::MutexGuard aGuard( m_aMutex );
 525         impl_ensurePropertyMap();
 526
 527         return comphelper::mapValuesToSequence( m_aProperties );
 528     }
 529
 530     Sequence< OUString > SAL_CALL GenericPropertyHandler::getSupersededProperties( )
 531     {
 532         // no superseded properties at all. This handler offers the very basic PropertyHandler
 533         // functionality, so it's much more likely that other handlers want to supersede
 534         // *our* properties ....
 535         return Sequence< OUString >( );
 536     }
 537
 538     Sequence< OUString > SAL_CALL GenericPropertyHandler::getActuatingProperties( )
 539     {
 540         // This basic PropertyHandler implementation is too dumb^Wgeneric to know
 541         // anything about property dependencies
 542         return Sequence< OUString >( );
 543     }
 544
 545     LineDescriptor SAL_CALL GenericPropertyHandler::describePropertyLine( const OUString& _rPropertyName,
 546         const Reference< XPropertyControlFactory >& _rxControlFactory )
 547     {
 548         if ( !_rxControlFactory.is() )
 549             throw NullPointerException();
 550
 551         ::osl::MutexGuard aGuard( m_aMutex );
 552         impl_ensurePropertyMap();
 553
 554         PropertyMap::const_iterator pos = m_aProperties.find( _rPropertyName );
 555         if ( pos == m_aProperties.end() )
 556             throw UnknownPropertyException();
 557
 558         LineDescriptor aDescriptor;
 559         aDescriptor.DisplayName = _rPropertyName;
 560         switch ( pos->second.Type.getTypeClass() )
 561         {
 562         case TypeClass_ENUM:
 563             aDescriptor.Control = PropertyHandlerHelper::createListBoxControl( _rxControlFactory,
 564                 impl_getEnumConverter( pos->second.Type )->getDescriptions(),
 565                 PropertyHandlerHelper::requiresReadOnlyControl( pos->second.Attributes ),
 566                 false );
 567             break;
 568         case TypeClass_STRING:
 569         {
 570             // some special handling for URL properties
 571             bool bIsURLProperty = _rPropertyName.endsWith( "URL" );
 572             if ( bIsURLProperty )
 573             {
 574                 aDescriptor.Control = _rxControlFactory->createPropertyControl(
 575                     PropertyControlType::HyperlinkField, PropertyHandlerHelper::requiresReadOnlyControl( pos->second.Attributes ) );
 576
 577                 Reference< XHyperlinkControl > xControl( aDescriptor.Control, UNO_QUERY_THROW );
 578                 Reference< XActionListener > xEnsureDelete( new UrlClickHandler( m_xContext, xControl ) );
 579             }
 580         }
 581         break;
 582         default:
 583             break;
 584         }
 585         // fallback
 586         if ( !aDescriptor.Control.is() )
 587             PropertyHandlerHelper::describePropertyLine( pos->second, aDescriptor, _rxControlFactory );
 588
 589         aDescriptor.Category = "General";
 590         return aDescriptor;
 591     }
 592
 593     sal_Bool SAL_CALL GenericPropertyHandler::isComposable( const OUString& /*_rPropertyName*/ )
 594     {
 595         return false;
 596     }
 597
 598     InteractiveSelectionResult SAL_CALL GenericPropertyHandler::onInteractivePropertySelection( const OUString& /*_rPropertyName*/, sal_Bool /*_bPrimary*/, Any& /*_rData*/, const Reference< XObjectInspectorUI >& /*_rxInspectorUI*/ )
 599     {
 600         OSL_FAIL( "GenericPropertyHandler::onInteractivePropertySelection: I'm too dumb to know anything about property browse buttons!" );
 601         return InteractiveSelectionResult_Cancelled;
 602     }
 603
 604     void SAL_CALL GenericPropertyHandler::actuatingPropertyChanged( const OUString& /*_rActuatingPropertyName*/, const Any& /*_rNewValue*/, const Any& /*_rOldValue*/, const Reference< XObjectInspectorUI >& /*_rxInspectorUI*/, sal_Bool /*_bFirstTimeInit*/ )
 605     {
 606         OSL_FAIL( "GenericPropertyHandler::actuatingPropertyChanged: no no no, I did not register for any actuating properties!" );
 607     }
 608
 609     sal_Bool SAL_CALL GenericPropertyHandler::suspend( sal_Bool /*_bSuspend*/ )
 610     {
 611         return true;
 612     }
 613
 614     void SAL_CALL GenericPropertyHandler::disposing()
 615     {
 616         m_aPropertyListeners.clear();
 617             // not disposeAndClear: the listeners are (virtually) listeners at our introspectee, not
 618             // at this handler instance
 619     }
 620
 621     IMPLEMENT_FORWARD_XCOMPONENT( GenericPropertyHandler, GenericPropertyHandler_Base );
 622
 623 }   // namespace pcr
 624
 625 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */