a2cee820e5
nothing directly extends IPropertyValueProvider Change-Id: Ib393bd31bde7f68d8b21dc3bdeeb30b538de1488 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/129797 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
142 lines
5 KiB
C++
142 lines
5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SVX_SHAPEPROPERTYNOTIFIER_HXX
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#define INCLUDED_SVX_SHAPEPROPERTYNOTIFIER_HXX
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#include <svx/svxdllapi.h>
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#include <comphelper/multiinterfacecontainer3.hxx>
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#include <rtl/ustring.hxx>
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#include <o3tl/enumarray.hxx>
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#include <memory>
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#include <unordered_map>
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namespace com::sun::star::beans { class XPropertyChangeListener; }
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namespace com::sun::star::uno { class Any; }
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namespace com::sun::star::uno { template <typename > class Reference; }
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namespace osl { class Mutex; }
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namespace cppu
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{
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class OWeakObject;
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}
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namespace svx
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{
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//= ShapeProperty
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enum class ShapePropertyProviderId
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{
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// generic (UNO) shape properties
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Position,
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Size,
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// text doc shape properties
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TextDocAnchor,
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LAST = TextDocAnchor
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};
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//= PropertyValueProvider
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/** Default provider for a property value
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This default implementation queries the object which it is constructed with for the XPropertySet interface,
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and calls the getPropertyValue method.
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*/
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class SVXCORE_DLLPUBLIC PropertyValueProvider
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{
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public:
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PropertyValueProvider( ::cppu::OWeakObject& _rContext, const char* _pAsciiPropertyName )
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:m_rContext( _rContext )
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,m_sPropertyName( OUString::createFromAscii( _pAsciiPropertyName ) )
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{
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}
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virtual ~PropertyValueProvider();
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/** returns the name of the property which this provider is responsible for
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*/
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const OUString & getPropertyName() const;
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/** returns the current value of the property which the provider is responsible for
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*/
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virtual void getCurrentValue( css::uno::Any& _out_rValue ) const;
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protected:
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::cppu::OWeakObject& getContext() const { return m_rContext; }
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PropertyValueProvider(const PropertyValueProvider&) = delete;
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PropertyValueProvider& operator=(const PropertyValueProvider&) = delete;
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private:
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::cppu::OWeakObject& m_rContext;
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const OUString m_sPropertyName;
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};
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/** helper class for notifying XPropertyChangeListeners
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The class is intended to be held as member of the class which does the property change broadcasting.
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*/
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class SVXCORE_DLLPUBLIC PropertyChangeNotifier
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{
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public:
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/** constructs a notifier instance
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@param _rOwner
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the owner instance of the notifier. Will be used as css.lang.EventObject.Source when
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notifying events.
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*/
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PropertyChangeNotifier( ::cppu::OWeakObject& _rOwner, ::osl::Mutex& _rMutex );
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~PropertyChangeNotifier();
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// listener maintenance
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void addPropertyChangeListener( const OUString& _rPropertyName, const css::uno::Reference< css::beans::XPropertyChangeListener >& _rxListener );
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void removePropertyChangeListener( const OUString& _rPropertyName, const css::uno::Reference< css::beans::XPropertyChangeListener >& _rxListener );
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/** registers an PropertyValueProvider
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*/
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void registerProvider( const ShapePropertyProviderId _eProperty, std::unique_ptr<PropertyValueProvider> _rProvider );
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/** notifies changes in the given property to all registered listeners
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If no property value provider for the given property ID is registered, this is worth an assertion in a
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non-product build, and otherwise ignored.
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*/
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void notifyPropertyChange( const ShapePropertyProviderId _eProperty ) const;
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/** is called to dispose the instance
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*/
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void disposing();
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private:
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PropertyChangeNotifier(const PropertyChangeNotifier&) = delete;
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PropertyChangeNotifier& operator=(const PropertyChangeNotifier&) = delete;
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::cppu::OWeakObject& m_rContext;
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o3tl::enumarray<ShapePropertyProviderId, std::unique_ptr<PropertyValueProvider>> m_aProviders;
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comphelper::OMultiTypeInterfaceContainerHelperVar3<css::beans::XPropertyChangeListener, OUString> m_aPropertyChangeListeners;
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};
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}
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#endif // INCLUDED_SVX_SHAPEPROPERTYNOTIFIER_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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