1*3334a7e6SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*3334a7e6SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*3334a7e6SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*3334a7e6SAndrew Rist * distributed with this work for additional information 6*3334a7e6SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*3334a7e6SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*3334a7e6SAndrew Rist * "License"); you may not use this file except in compliance 9*3334a7e6SAndrew Rist * with the License. You may obtain a copy of the License at 10*3334a7e6SAndrew Rist * 11*3334a7e6SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*3334a7e6SAndrew Rist * 13*3334a7e6SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*3334a7e6SAndrew Rist * software distributed under the License is distributed on an 15*3334a7e6SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*3334a7e6SAndrew Rist * KIND, either express or implied. See the License for the 17*3334a7e6SAndrew Rist * specific language governing permissions and limitations 18*3334a7e6SAndrew Rist * under the License. 19*3334a7e6SAndrew Rist * 20*3334a7e6SAndrew Rist *************************************************************/ 21*3334a7e6SAndrew Rist 22*3334a7e6SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir #ifndef SVX_PROPERTYCHANGENOTIFIER_HXX 25cdf0e10cSrcweir #define SVX_PROPERTYCHANGENOTIFIER_HXX 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include "svx/svxdllapi.h" 28cdf0e10cSrcweir #include "svx/shapeproperty.hxx" 29cdf0e10cSrcweir 30cdf0e10cSrcweir /** === begin UNO includes === **/ 31cdf0e10cSrcweir #include <com/sun/star/beans/PropertyChangeEvent.hpp> 32cdf0e10cSrcweir #include <com/sun/star/beans/XPropertyChangeListener.hpp> 33cdf0e10cSrcweir /** === end UNO includes === **/ 34cdf0e10cSrcweir 35cdf0e10cSrcweir #include <boost/noncopyable.hpp> 36cdf0e10cSrcweir #include <boost/shared_ptr.hpp> 37cdf0e10cSrcweir #include <memory> 38cdf0e10cSrcweir 39cdf0e10cSrcweir namespace cppu 40cdf0e10cSrcweir { 41cdf0e10cSrcweir class OWeakObject; 42cdf0e10cSrcweir } 43cdf0e10cSrcweir 44cdf0e10cSrcweir //........................................................................ 45cdf0e10cSrcweir namespace svx 46cdf0e10cSrcweir { 47cdf0e10cSrcweir //........................................................................ 48cdf0e10cSrcweir 49cdf0e10cSrcweir //==================================================================== 50cdf0e10cSrcweir //= IPropertyValueProvider 51cdf0e10cSrcweir //==================================================================== 52cdf0e10cSrcweir /** a provider for a property value 53cdf0e10cSrcweir */ 54cdf0e10cSrcweir class SVX_DLLPUBLIC IPropertyValueProvider 55cdf0e10cSrcweir { 56cdf0e10cSrcweir public: 57cdf0e10cSrcweir /** returns the name of the property which this provider is responsible for 58cdf0e10cSrcweir */ 59cdf0e10cSrcweir virtual ::rtl::OUString getPropertyName() const = 0; 60cdf0e10cSrcweir 61cdf0e10cSrcweir /** returns the current value of the property which the provider is responsible for 62cdf0e10cSrcweir */ 63cdf0e10cSrcweir virtual void getCurrentValue( ::com::sun::star::uno::Any& _out_rValue ) const = 0; 64cdf0e10cSrcweir 65cdf0e10cSrcweir virtual ~IPropertyValueProvider(); 66cdf0e10cSrcweir }; 67cdf0e10cSrcweir typedef ::boost::shared_ptr< IPropertyValueProvider > PPropertyValueProvider; 68cdf0e10cSrcweir 69cdf0e10cSrcweir //==================================================================== 70cdf0e10cSrcweir //= PropertyValueProvider 71cdf0e10cSrcweir //==================================================================== 72cdf0e10cSrcweir /** default implementation of a IPropertyValueProvider 73cdf0e10cSrcweir 74cdf0e10cSrcweir This default implementation queries the object which it is constructed with for the XPropertySet interface, 75cdf0e10cSrcweir and calls the getPropertyValue method. 76cdf0e10cSrcweir */ 77cdf0e10cSrcweir class SVX_DLLPUBLIC PropertyValueProvider :public IPropertyValueProvider 78cdf0e10cSrcweir ,public ::boost::noncopyable 79cdf0e10cSrcweir { 80cdf0e10cSrcweir public: PropertyValueProvider(::cppu::OWeakObject & _rContext,const sal_Char * _pAsciiPropertyName)81cdf0e10cSrcweir PropertyValueProvider( ::cppu::OWeakObject& _rContext, const sal_Char* _pAsciiPropertyName ) 82cdf0e10cSrcweir :m_rContext( _rContext ) 83cdf0e10cSrcweir ,m_sPropertyName( ::rtl::OUString::createFromAscii( _pAsciiPropertyName ) ) 84cdf0e10cSrcweir { 85cdf0e10cSrcweir } 86cdf0e10cSrcweir 87cdf0e10cSrcweir virtual ::rtl::OUString getPropertyName() const; 88cdf0e10cSrcweir virtual void getCurrentValue( ::com::sun::star::uno::Any& _out_rValue ) const; 89cdf0e10cSrcweir 90cdf0e10cSrcweir protected: getContext() const91cdf0e10cSrcweir ::cppu::OWeakObject& getContext() const { return m_rContext; } 92cdf0e10cSrcweir private: 93cdf0e10cSrcweir ::cppu::OWeakObject& m_rContext; 94cdf0e10cSrcweir const ::rtl::OUString m_sPropertyName; 95cdf0e10cSrcweir }; 96cdf0e10cSrcweir 97cdf0e10cSrcweir //==================================================================== 98cdf0e10cSrcweir //= PropertyChangeNotifier 99cdf0e10cSrcweir //==================================================================== 100cdf0e10cSrcweir struct PropertyChangeNotifier_Data; 101cdf0e10cSrcweir 102cdf0e10cSrcweir /** helper class for notifying XPropertyChangeListeners 103cdf0e10cSrcweir 104cdf0e10cSrcweir The class is intended to be held as member of the class which does the property change broadcasting. 105cdf0e10cSrcweir */ 106cdf0e10cSrcweir class SVX_DLLPUBLIC PropertyChangeNotifier : public ::boost::noncopyable 107cdf0e10cSrcweir { 108cdf0e10cSrcweir public: 109cdf0e10cSrcweir /** constructs a notifier instance 110cdf0e10cSrcweir 111cdf0e10cSrcweir @param _rOwner 112cdf0e10cSrcweir the owner instance of the notifier. Will be used as css.lang.EventObject.Source when 113cdf0e10cSrcweir notifying events. 114cdf0e10cSrcweir */ 115cdf0e10cSrcweir PropertyChangeNotifier( ::cppu::OWeakObject& _rOwner, ::osl::Mutex& _rMutex ); 116cdf0e10cSrcweir ~PropertyChangeNotifier(); 117cdf0e10cSrcweir 118cdf0e10cSrcweir // listener maintanance 119cdf0e10cSrcweir void addPropertyChangeListener( const ::rtl::OUString& _rPropertyName, const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertyChangeListener >& _rxListener ); 120cdf0e10cSrcweir void removePropertyChangeListener( const ::rtl::OUString& _rPropertyName, const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertyChangeListener >& _rxListener ); 121cdf0e10cSrcweir 122cdf0e10cSrcweir /** registers a IPropertyValueProvider 123cdf0e10cSrcweir */ 124cdf0e10cSrcweir void registerProvider( const ShapeProperty _eProperty, const PPropertyValueProvider _pProvider ); 125cdf0e10cSrcweir 126cdf0e10cSrcweir /** notifies changes in the given property to all registered listeners 127cdf0e10cSrcweir 128cdf0e10cSrcweir If no property value provider for the given property ID is registered, this is worth an assertion in a 129cdf0e10cSrcweir non-product build, and otherwise ignored. 130cdf0e10cSrcweir */ 131cdf0e10cSrcweir void notifyPropertyChange( const ShapeProperty _eProperty ) const; 132cdf0e10cSrcweir 133cdf0e10cSrcweir /** is called to dispose the instance 134cdf0e10cSrcweir */ 135cdf0e10cSrcweir void disposing(); 136cdf0e10cSrcweir 137cdf0e10cSrcweir private: 138cdf0e10cSrcweir ::std::auto_ptr< PropertyChangeNotifier_Data > m_pData; 139cdf0e10cSrcweir }; 140cdf0e10cSrcweir 141cdf0e10cSrcweir //........................................................................ 142cdf0e10cSrcweir } // namespace svx 143cdf0e10cSrcweir //........................................................................ 144cdf0e10cSrcweir 145cdf0e10cSrcweir #endif // SVX_PROPERTYCHANGENOTIFIER_HXX 146