From 940b4d1848e8c70ab7642901a68594e8016caffc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 18:51:28 +0200 Subject: Adding upstream version 1:7.0.4. Signed-off-by: Daniel Baumann --- include/svx/shapepropertynotifier.hxx | 145 ++++++++++++++++++++++++++++++++++ 1 file changed, 145 insertions(+) create mode 100644 include/svx/shapepropertynotifier.hxx (limited to 'include/svx/shapepropertynotifier.hxx') diff --git a/include/svx/shapepropertynotifier.hxx b/include/svx/shapepropertynotifier.hxx new file mode 100644 index 000000000..455acddee --- /dev/null +++ b/include/svx/shapepropertynotifier.hxx @@ -0,0 +1,145 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_SVX_SHAPEPROPERTYNOTIFIER_HXX +#define INCLUDED_SVX_SHAPEPROPERTYNOTIFIER_HXX + +#include +#include +#include +#include + +#include + +namespace com::sun::star::beans { class XPropertyChangeListener; } +namespace com::sun::star::uno { class Any; } +namespace com::sun::star::uno { template class Reference; } +namespace osl { class Mutex; } + +namespace cppu +{ + class OWeakObject; +} + + +namespace svx +{ + + + //= IPropertyValueProvider + + /** a provider for a property value + */ + class SVXCORE_DLLPUBLIC IPropertyValueProvider + { + public: + /** returns the name of the property which this provider is responsible for + */ + virtual OUString getPropertyName() const = 0; + + /** returns the current value of the property which the provider is responsible for + */ + virtual void getCurrentValue( css::uno::Any& _out_rValue ) const = 0; + + virtual ~IPropertyValueProvider(); + }; + + //= PropertyValueProvider + + /** default implementation of an IPropertyValueProvider + + This default implementation queries the object which it is constructed with for the XPropertySet interface, + and calls the getPropertyValue method. + */ + class SVXCORE_DLLPUBLIC PropertyValueProvider :public IPropertyValueProvider + { + public: + PropertyValueProvider( ::cppu::OWeakObject& _rContext, const char* _pAsciiPropertyName ) + :m_rContext( _rContext ) + ,m_sPropertyName( OUString::createFromAscii( _pAsciiPropertyName ) ) + { + } + + virtual OUString getPropertyName() const override; + virtual void getCurrentValue( css::uno::Any& _out_rValue ) const override; + + protected: + ::cppu::OWeakObject& getContext() const { return m_rContext; } + PropertyValueProvider(const PropertyValueProvider&) = delete; + PropertyValueProvider& operator=(const PropertyValueProvider&) = delete; + + private: + ::cppu::OWeakObject& m_rContext; + const OUString m_sPropertyName; + }; + + + //= PropertyChangeNotifier + + struct PropertyChangeNotifier_Data; + + /** helper class for notifying XPropertyChangeListeners + + The class is intended to be held as member of the class which does the property change broadcasting. + */ + class SVXCORE_DLLPUBLIC PropertyChangeNotifier + { + public: + /** constructs a notifier instance + + @param _rOwner + the owner instance of the notifier. Will be used as css.lang.EventObject.Source when + notifying events. + */ + PropertyChangeNotifier( ::cppu::OWeakObject& _rOwner, ::osl::Mutex& _rMutex ); + ~PropertyChangeNotifier(); + + // listener maintenance + void addPropertyChangeListener( const OUString& _rPropertyName, const css::uno::Reference< css::beans::XPropertyChangeListener >& _rxListener ); + void removePropertyChangeListener( const OUString& _rPropertyName, const css::uno::Reference< css::beans::XPropertyChangeListener >& _rxListener ); + + /** registers an IPropertyValueProvider + */ + void registerProvider( const ShapeProperty _eProperty, const std::shared_ptr& _rProvider ); + + /** notifies changes in the given property to all registered listeners + + If no property value provider for the given property ID is registered, this is worth an assertion in a + non-product build, and otherwise ignored. + */ + void notifyPropertyChange( const ShapeProperty _eProperty ) const; + + /** is called to dispose the instance + */ + void disposing(); + + private: + PropertyChangeNotifier(const PropertyChangeNotifier&) = delete; + PropertyChangeNotifier& operator=(const PropertyChangeNotifier&) = delete; + + std::unique_ptr< PropertyChangeNotifier_Data > m_xData; + }; + + +} + + +#endif // INCLUDED_SVX_SHAPEPROPERTYNOTIFIER_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3