47cd34a60f
excluding the UDK headers of course Change-Id: Iac7ab83d60265f7d362c860776f1de9d5e444ec0 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/93268 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
116 lines
3.9 KiB
C++
116 lines
3.9 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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#ifndef INCLUDED_COMPHELPER_CONFIGURATIONLISTENER_HXX
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#define INCLUDED_COMPHELPER_CONFIGURATIONLISTENER_HXX
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#include <vector>
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#include <comphelper/comphelperdllapi.h>
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#include <com/sun/star/beans/XPropertySet.hpp>
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#include <com/sun/star/beans/XPropertyChangeListener.hpp>
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#include <rtl/ref.hxx>
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#include <cppuhelper/implbase.hxx>
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#include <comphelper/processfactory.hxx>
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#include <comphelper/configurationhelper.hxx>
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namespace com::sun::star::beans { struct PropertyChangeEvent; }
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namespace com::sun::star::uno { class XComponentContext; }
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namespace comphelper {
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class ConfigurationListener;
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class COMPHELPER_DLLPUBLIC ConfigurationListenerPropertyBase {
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public:
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OUString maName;
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rtl::Reference<ConfigurationListener> mxListener;
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virtual ~ConfigurationListenerPropertyBase() {}
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virtual void setProperty(const css::uno::Any &aProperty) = 0;
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void dispose() { mxListener.clear(); }
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};
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/// Access to this class must be protected by the SolarMutex
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template< typename uno_type > class ConfigurationListenerProperty : public ConfigurationListenerPropertyBase
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{
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uno_type maValue;
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protected:
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virtual void setProperty(const css::uno::Any &aProperty) override
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{
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aProperty >>= maValue;
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}
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public:
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/**
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* Provide a mirror of the configmgr's version of this property
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* for the lifecycle of this property. The property value tracks
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* the same value in the configuration.
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*/
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inline ConfigurationListenerProperty(const rtl::Reference< ConfigurationListener > &xListener,
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const OUString &rProp );
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virtual inline ~ConfigurationListenerProperty() override;
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uno_type get() const { return maValue; }
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};
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class COMPHELPER_DLLPUBLIC ConfigurationListener :
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public cppu::WeakImplHelper< css::beans::XPropertyChangeListener >
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{
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css::uno::Reference< css::beans::XPropertySet > mxConfig;
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std::vector< ConfigurationListenerPropertyBase * > maListeners;
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public:
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/// Public health warning, you -must- dispose this if you use it.
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ConfigurationListener(const OUString &rPath,
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css::uno::Reference< css::uno::XComponentContext >
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const & xContext = comphelper::getProcessComponentContext())
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: mxConfig( ConfigurationHelper::openConfig( xContext, rPath, EConfigurationModes::ReadOnly ),
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css::uno::UNO_QUERY_THROW )
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{ }
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virtual ~ConfigurationListener() override
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{
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dispose();
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}
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/// Listen for the specific property denoted by the listener
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void addListener(ConfigurationListenerPropertyBase *pListener);
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/// Stop listening.
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void removeListener(ConfigurationListenerPropertyBase *pListener);
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/// Release various circular references
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void dispose();
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// XPropertyChangeListener implementation
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virtual void SAL_CALL disposing(css::lang::EventObject const &) override;
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/// Notify of the property change
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virtual void SAL_CALL propertyChange(
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css::beans::PropertyChangeEvent const &rEvt ) override;
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};
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template< typename uno_type > ConfigurationListenerProperty< uno_type >::ConfigurationListenerProperty(const rtl::Reference< ConfigurationListener > &xListener, const OUString &rProp )
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: maValue()
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{
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maName = rProp;
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mxListener = xListener;
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mxListener->addListener(this);
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}
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template< typename uno_type > ConfigurationListenerProperty< uno_type >::~ConfigurationListenerProperty()
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{
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if (mxListener.is())
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mxListener->removeListener(this);
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}
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} // namespace comphelper
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#endif // INCLUDED_COMPHELPER_CONFIGURATIONLISTENER_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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