comphelper/source/property/genericpropertyset.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sal/config.h>
  21
  22 #include <map>
  23
  24 #include <com/sun/star/lang/XServiceInfo.hpp>
  25 #include <com/sun/star/lang/XTypeProvider.hpp>
  26 #include <cppuhelper/weakagg.hxx>
  27 #include <cppuhelper/supportsservice.hxx>
  28 #include <comphelper/multiinterfacecontainer4.hxx>
  29 #include <comphelper/propertysethelper.hxx>
  30 #include <mutex>
  31 #include <rtl/ref.hxx>
  32 #include <comphelper/genericpropertyset.hxx>
  33 #include <comphelper/propertysetinfo.hxx>
  34
  35 using namespace ::osl;
  36 using namespace ::cppu;
  37 using namespace ::comphelper;
  38 using namespace ::com::sun::star;
  39 using namespace ::com::sun::star::uno;
  40 using namespace ::com::sun::star::beans;
  41 using namespace ::com::sun::star::lang;
  42
  43 namespace comphelper
  44 {
  45     namespace {
  46
  47     class GenericPropertySet :  public OWeakAggObject,
  48                                 public XServiceInfo,
  49                                 public XTypeProvider,
  50                                 public PropertySetHelper
  51     {
  52     private:
  53         std::map<OUString, Any>   maAnyMap;
  54         std::mutex                maMutex;
  55         comphelper::OMultiTypeInterfaceContainerHelperVar4<OUString, XPropertyChangeListener> m_aListener;
  56
  57     protected:
  58         virtual void _setPropertyValues( const PropertyMapEntry** ppEntries, const  Any* pValues ) override;
  59         virtual void _getPropertyValues( const PropertyMapEntry** ppEntries,  Any* pValue ) override;
  60
  61     public:
  62         explicit GenericPropertySet( PropertySetInfo* pInfo ) noexcept;
  63
  64         // XInterface
  65         virtual  Any SAL_CALL queryAggregation( const  Type & rType ) override;
  66         virtual  Any SAL_CALL queryInterface( const  Type & rType ) override;
  67         virtual void SAL_CALL acquire() noexcept override;
  68         virtual void SAL_CALL release() noexcept override;
  69
  70         // XTypeProvider
  71         virtual  Sequence<  Type > SAL_CALL getTypes(  ) override;
  72         virtual  Sequence< sal_Int8 > SAL_CALL getImplementationId(  ) override;
  73
  74         // XServiceInfo
  75         virtual OUString SAL_CALL getImplementationName() override;
  76         virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
  77         virtual  Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
  78
  79         // XPropertySet
  80         virtual void SAL_CALL addPropertyChangeListener( const OUString& aPropertyName, const css::uno::Reference< css::beans::XPropertyChangeListener >& xListener ) override;
  81         virtual void SAL_CALL removePropertyChangeListener( const OUString& aPropertyName, const css::uno::Reference< css::beans::XPropertyChangeListener >& aListener ) override;
  82     };
  83
  84     }
  85 }
  86
  87
  88 GenericPropertySet::GenericPropertySet( PropertySetInfo* pInfo ) noexcept
  89 : PropertySetHelper( pInfo )
  90 {
  91 }
  92
  93 void SAL_CALL GenericPropertySet::addPropertyChangeListener( const OUString& aPropertyName, const Reference< XPropertyChangeListener >& xListener )
  94 {
  95     Reference < XPropertySetInfo > xInfo = getPropertySetInfo(  );
  96     if ( !xInfo.is() )
  97         return;
  98
  99     std::unique_lock aGuard(maMutex);
 100     if ( aPropertyName.isEmpty() )
 101     {
 102         Sequence< Property> aSeq = xInfo->getProperties();
 103         const Property* pIter = aSeq.getConstArray();
 104         const Property* pEnd  = pIter + aSeq.getLength();
 105         for( ; pIter != pEnd ; ++pIter)
 106         {
 107             m_aListener.addInterface(aGuard, pIter->Name,xListener);
 108         }
 109     }
 110     else if ( xInfo->hasPropertyByName(aPropertyName) )
 111         m_aListener.addInterface(aGuard, aPropertyName,xListener);
 112     else
 113         throw UnknownPropertyException( aPropertyName, *this );
 114 }
 115
 116 void SAL_CALL GenericPropertySet::removePropertyChangeListener( const OUString& aPropertyName, const Reference< XPropertyChangeListener >& xListener )
 117 {
 118     Reference < XPropertySetInfo > xInfo = getPropertySetInfo(  );
 119     if ( !xInfo.is() )
 120         return;
 121
 122     std::unique_lock aGuard(maMutex);
 123     if ( aPropertyName.isEmpty() )
 124     {
 125         Sequence< Property> aSeq = xInfo->getProperties();
 126         const Property* pIter = aSeq.getConstArray();
 127         const Property* pEnd  = pIter + aSeq.getLength();
 128         for( ; pIter != pEnd ; ++pIter)
 129         {
 130             m_aListener.removeInterface(aGuard, pIter->Name,xListener);
 131         }
 132     }
 133     else if ( xInfo->hasPropertyByName(aPropertyName) )
 134         m_aListener.removeInterface(aGuard, aPropertyName,xListener);
 135     else
 136         throw UnknownPropertyException( aPropertyName, *this );
 137 }
 138
 139 void GenericPropertySet::_setPropertyValues( const PropertyMapEntry** ppEntries, const Any* pValues )
 140 {
 141     std::unique_lock aGuard(maMutex);
 142
 143     while( *ppEntries )
 144     {
 145         OInterfaceContainerHelper4<XPropertyChangeListener> * pHelper = m_aListener.getContainer(aGuard, (*ppEntries)->maName);
 146
 147         maAnyMap[ (*ppEntries)->maName ] = *pValues;
 148
 149         if ( pHelper )
 150         {
 151             PropertyChangeEvent aEvt;
 152             aEvt.PropertyName = (*ppEntries)->maName;
 153             aEvt.NewValue = *pValues;
 154             pHelper->notifyEach( aGuard, &XPropertyChangeListener::propertyChange, aEvt );
 155         }
 156
 157         ppEntries++;
 158         pValues++;
 159     }
 160 }
 161
 162 void GenericPropertySet::_getPropertyValues( const comphelper::PropertyMapEntry** ppEntries, Any* pValue )
 163 {
 164     std::unique_lock aGuard(maMutex);
 165
 166     while( *ppEntries )
 167     {
 168         *pValue = maAnyMap[ (*ppEntries)->maName ];
 169
 170         ppEntries++;
 171         pValue++;
 172     }
 173 }
 174
 175 // XInterface
 176
 177 Any SAL_CALL GenericPropertySet::queryInterface( const Type & rType )
 178 {
 179     return OWeakAggObject::queryInterface( rType );
 180 }
 181
 182 Any SAL_CALL GenericPropertySet::queryAggregation( const Type & rType )
 183 {
 184     Any aAny;
 185
 186     if( rType == cppu::UnoType<XServiceInfo>::get())
 187         aAny <<= Reference< XServiceInfo >(this);
 188     else if( rType == cppu::UnoType<XTypeProvider>::get())
 189         aAny <<= Reference< XTypeProvider >(this);
 190     else if( rType == cppu::UnoType<XPropertySet>::get())
 191         aAny <<= Reference< XPropertySet >(this);
 192     else if( rType == cppu::UnoType<XMultiPropertySet>::get())
 193         aAny <<= Reference< XMultiPropertySet >(this);
 194     else
 195         aAny = OWeakAggObject::queryAggregation( rType );
 196
 197     return aAny;
 198 }
 199
 200 void SAL_CALL GenericPropertySet::acquire() noexcept
 201 {
 202     OWeakAggObject::acquire();
 203 }
 204
 205 void SAL_CALL GenericPropertySet::release() noexcept
 206 {
 207     OWeakAggObject::release();
 208 }
 209
 210 uno::Sequence< uno::Type > SAL_CALL GenericPropertySet::getTypes()
 211 {
 212     return uno::Sequence {
 213         cppu::UnoType<XAggregation>::get(),
 214         cppu::UnoType<XServiceInfo>::get(),
 215         cppu::UnoType<XTypeProvider>::get(),
 216         cppu::UnoType<XPropertySet>::get(),
 217         cppu::UnoType<XMultiPropertySet>::get() };
 218 }
 219
 220 uno::Sequence< sal_Int8 > SAL_CALL GenericPropertySet::getImplementationId()
 221 {
 222     return css::uno::Sequence<sal_Int8>();
 223 }
 224
 225 // XServiceInfo
 226 sal_Bool SAL_CALL GenericPropertySet::supportsService( const  OUString& ServiceName )
 227 {
 228     return cppu::supportsService(this, ServiceName);
 229 }
 230
 231 OUString SAL_CALL GenericPropertySet::getImplementationName()
 232 {
 233     return "com.sun.star.comp.comphelper.GenericPropertySet";
 234 }
 235
 236 Sequence< OUString > SAL_CALL GenericPropertySet::getSupportedServiceNames(  )
 237 {
 238     return { "com.sun.star.beans.XPropertySet" };
 239 }
 240
 241 css::uno::Reference< css::beans::XPropertySet > comphelper::GenericPropertySet_CreateInstance( comphelper::PropertySetInfo* pInfo )
 242 {
 243     return static_cast<XPropertySet*>(new GenericPropertySet( pInfo ));
 244 }
 245
 246 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */