svx/source/unodraw/shapepropertynotifier.cxx

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  25
  26 // MARKER(update_precomp.py): autogen include statement, do not remove
  27 #include "precompiled_svx.hxx"
  28
  29 #include "svx/shapepropertynotifier.hxx"
  30
  31 /** === begin UNO includes === **/
  32 #include <com/sun/star/beans/XPropertySet.hpp>
  33 /** === end UNO includes === **/
  34
  35 #include <comphelper/stl_types.hxx>
  36 #include <cppuhelper/interfacecontainer.hxx>
  37 #include <cppuhelper/weak.hxx>
  38 #include <tools/diagnose_ex.h>
  39
  40 #include <hash_map>
  41
  42 namespace
  43 {
  44
  45     struct ShapePropertyHash
  46     {
  47         size_t operator()( ::svx::ShapeProperty __x ) const
  48         {
  49             return size_t( __x );
  50         }
  51     };
  52 }
  53
  54 //........................................................................
  55 namespace svx
  56 {
  57 //........................................................................
  58
  59     /** === begin UNO using === **/
  60     using ::com::sun::star::uno::Reference;
  61     using ::com::sun::star::uno::XInterface;
  62     using ::com::sun::star::uno::UNO_QUERY;
  63     using ::com::sun::star::uno::UNO_QUERY_THROW;
  64     using ::com::sun::star::uno::UNO_SET_THROW;
  65     using ::com::sun::star::uno::Exception;
  66     using ::com::sun::star::uno::RuntimeException;
  67     using ::com::sun::star::uno::Any;
  68     using ::com::sun::star::uno::makeAny;
  69     using ::com::sun::star::uno::Sequence;
  70     using ::com::sun::star::uno::Type;
  71     using ::com::sun::star::beans::PropertyChangeEvent;
  72     using ::com::sun::star::beans::XPropertyChangeListener;
  73     using ::com::sun::star::lang::EventObject;
  74     using ::com::sun::star::beans::XPropertySet;
  75     /** === end UNO using === **/
  76
  77     typedef ::std::hash_map< ShapeProperty, PPropertyValueProvider, ShapePropertyHash  >    PropertyProviders;
  78
  79     typedef ::cppu::OMultiTypeInterfaceContainerHelperVar   <   ::rtl::OUString
  80                                                             ,   ::comphelper::UStringHash
  81                                                             ,   ::comphelper::UStringEqual
  82                                                             >   PropertyChangeListenerContainer;
  83
  84     //====================================================================
  85     //= IPropertyValueProvider
  86     //====================================================================
  87     IPropertyValueProvider::~IPropertyValueProvider()
  88     {
  89     }
  90
  91     //====================================================================
  92     //= PropertyChangeNotifier_Data
  93     //====================================================================
  94     struct PropertyChangeNotifier_Data
  95     {
  96         ::cppu::OWeakObject&            m_rContext;
  97         PropertyProviders               m_aProviders;
  98         PropertyChangeListenerContainer m_aPropertyChangeListeners;
  99
 100         PropertyChangeNotifier_Data( ::cppu::OWeakObject& _rContext, ::osl::Mutex& _rMutex )
 101             :m_rContext( _rContext )
 102             ,m_aPropertyChangeListeners( _rMutex )
 103         {
 104         }
 105     };
 106     //====================================================================
 107     //= PropertyValueProvider
 108     //====================================================================
 109     //--------------------------------------------------------------------
 110     ::rtl::OUString PropertyValueProvider::getPropertyName() const
 111     {
 112         return m_sPropertyName;
 113     }
 114
 115     //--------------------------------------------------------------------
 116     void PropertyValueProvider::getCurrentValue( Any& _out_rValue ) const
 117     {
 118         Reference< XPropertySet > xContextProps( const_cast< PropertyValueProvider* >( this )->m_rContext, UNO_QUERY_THROW );
 119         _out_rValue = xContextProps->getPropertyValue( getPropertyName() );
 120     }
 121
 122     //====================================================================
 123     //= PropertyChangeNotifier
 124     //====================================================================
 125     //--------------------------------------------------------------------
 126     PropertyChangeNotifier::PropertyChangeNotifier( ::cppu::OWeakObject& _rOwner, ::osl::Mutex& _rMutex )
 127         :m_pData( new PropertyChangeNotifier_Data( _rOwner, _rMutex ) )
 128     {
 129     }
 130
 131     //--------------------------------------------------------------------
 132     PropertyChangeNotifier::~PropertyChangeNotifier()
 133     {
 134     }
 135
 136     //--------------------------------------------------------------------
 137     void PropertyChangeNotifier::registerProvider( const ShapeProperty _eProperty, const PPropertyValueProvider _pProvider )
 138     {
 139         ENSURE_OR_THROW( _eProperty != eInvalidShapeProperty, "Illegal ShapeProperty value!" );
 140         ENSURE_OR_THROW( !!_pProvider, "NULL factory not allowed." );
 141
 142         OSL_ENSURE( m_pData->m_aProviders.find( _eProperty ) == m_pData->m_aProviders.end(),
 143             "PropertyChangeNotifier::registerProvider: factory for this ID already present!" );
 144
 145         m_pData->m_aProviders[ _eProperty ] = _pProvider;
 146     }
 147
 148     //--------------------------------------------------------------------
 149     void PropertyChangeNotifier::notifyPropertyChange( const ShapeProperty _eProperty ) const
 150     {
 151         ENSURE_OR_THROW( _eProperty != eInvalidShapeProperty, "Illegal ShapeProperty value!" );
 152
 153         PropertyProviders::const_iterator provPos = m_pData->m_aProviders.find( _eProperty );
 154         OSL_ENSURE( provPos != m_pData->m_aProviders.end(), "PropertyChangeNotifier::notifyPropertyChange: no factory!" );
 155         if ( provPos == m_pData->m_aProviders.end() )
 156             return;
 157
 158         ::rtl::OUString sPropertyName( provPos->second->getPropertyName() );
 159
 160         ::cppu::OInterfaceContainerHelper* pPropListeners = m_pData->m_aPropertyChangeListeners.getContainer( sPropertyName );
 161         ::cppu::OInterfaceContainerHelper* pAllListeners = m_pData->m_aPropertyChangeListeners.getContainer( ::rtl::OUString() );
 162         if ( !pPropListeners && !pAllListeners )
 163             return;
 164
 165         try
 166         {
 167             PropertyChangeEvent aEvent;
 168             aEvent.Source = m_pData->m_rContext;
 169             // Handle/OldValue not supported
 170             aEvent.PropertyName = provPos->second->getPropertyName();
 171             provPos->second->getCurrentValue( aEvent.NewValue );
 172
 173             if ( pPropListeners )
 174                 pPropListeners->notifyEach( &XPropertyChangeListener::propertyChange, aEvent );
 175             if ( pAllListeners )
 176                 pAllListeners->notifyEach( &XPropertyChangeListener::propertyChange, aEvent );
 177         }
 178         catch( const Exception& )
 179         {
 180             DBG_UNHANDLED_EXCEPTION();
 181         }
 182     }
 183
 184     //--------------------------------------------------------------------
 185     void PropertyChangeNotifier::addPropertyChangeListener( const ::rtl::OUString& _rPropertyName, const Reference< XPropertyChangeListener >& _rxListener )
 186     {
 187         m_pData->m_aPropertyChangeListeners.addInterface( _rPropertyName, _rxListener );
 188     }
 189
 190     //--------------------------------------------------------------------
 191     void PropertyChangeNotifier::removePropertyChangeListener( const ::rtl::OUString& _rPropertyName, const Reference< XPropertyChangeListener >& _rxListener )
 192     {
 193         m_pData->m_aPropertyChangeListeners.removeInterface( _rPropertyName, _rxListener );
 194     }
 195
 196     //--------------------------------------------------------------------
 197     void PropertyChangeNotifier::disposing()
 198     {
 199         EventObject aEvent;
 200         aEvent.Source = m_pData->m_rContext;
 201         m_pData->m_aPropertyChangeListeners.disposeAndClear( aEvent );
 202     }
 203
 204 //........................................................................
 205 } // namespace svx
 206 //........................................................................