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Diffstat (limited to 'sfx2/source/doc/sfxmodelfactory.cxx')
| -rw-r--r-- | sfx2/source/doc/sfxmodelfactory.cxx | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/sfx2/source/doc/sfxmodelfactory.cxx b/sfx2/source/doc/sfxmodelfactory.cxx new file mode 100644 index 000000000..354df9db5 --- /dev/null +++ b/sfx2/source/doc/sfxmodelfactory.cxx @@ -0,0 +1,205 @@ +/* -*- 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 . + */ + +#include <sfx2/sfxmodelfactory.hxx> + +#include <com/sun/star/lang/XServiceInfo.hpp> +#include <com/sun/star/beans/NamedValue.hpp> +#include <com/sun/star/lang/XInitialization.hpp> +#include <com/sun/star/lang/XSingleServiceFactory.hpp> + +#include <comphelper/namedvaluecollection.hxx> +#include <cppuhelper/implbase.hxx> +#include <cppuhelper/supportsservice.hxx> + +#include <osl/diagnose.h> + +#include <algorithm> + + +namespace sfx2 +{ + + + using ::com::sun::star::uno::Reference; + using ::com::sun::star::uno::XInterface; + using ::com::sun::star::uno::UNO_QUERY; + using ::com::sun::star::uno::Any; + using ::com::sun::star::lang::XMultiServiceFactory; + using ::com::sun::star::uno::Sequence; + using ::com::sun::star::lang::XSingleServiceFactory; + using ::com::sun::star::lang::XServiceInfo; + using ::com::sun::star::beans::NamedValue; + using ::com::sun::star::beans::PropertyValue; + using ::com::sun::star::lang::XInitialization; + + + //= SfxModelFactory - declaration + + typedef ::cppu::WeakImplHelper < XSingleServiceFactory + , XServiceInfo + > SfxModelFactory_Base; + + namespace { + + /** implements a XSingleServiceFactory which can be used to created instances + of classes derived from SfxBaseModel + + In opposite to the default implementations from module cppuhelper, this + factory evaluates certain creation arguments (passed to createInstanceWithArguments) + and passes them to the factory function of the derived class. + */ + class SfxModelFactory : public SfxModelFactory_Base + { + public: + SfxModelFactory( + const Reference< XMultiServiceFactory >& _rxServiceFactory, + const OUString& _rImplementationName, + const SfxModelFactoryFunc _pComponentFactoryFunc, + const Sequence< OUString >& _rServiceNames + ); + + // XSingleServiceFactory + virtual Reference< XInterface > SAL_CALL createInstance( ) override; + virtual Reference< XInterface > SAL_CALL createInstanceWithArguments( const Sequence< Any >& aArguments ) override; + + // XServiceInfo + virtual OUString SAL_CALL getImplementationName( ) override; + virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override; + virtual Sequence< OUString > SAL_CALL getSupportedServiceNames( ) override; + + protected: + virtual ~SfxModelFactory() override; + + private: + const Reference< XMultiServiceFactory > m_xServiceFactory; + const OUString m_sImplementationName; + const Sequence< OUString > m_aServiceNames; + const SfxModelFactoryFunc m_pComponentFactoryFunc; + }; + + } + + //= SfxModelFactory - implementation + + + SfxModelFactory::SfxModelFactory( const Reference< XMultiServiceFactory >& _rxServiceFactory, + const OUString& _rImplementationName, const SfxModelFactoryFunc _pComponentFactoryFunc, + const Sequence< OUString >& _rServiceNames ) + :m_xServiceFactory( _rxServiceFactory ) + ,m_sImplementationName( _rImplementationName ) + ,m_aServiceNames( _rServiceNames ) + ,m_pComponentFactoryFunc( _pComponentFactoryFunc ) + { + } + + + SfxModelFactory::~SfxModelFactory() + { + } + + + Reference< XInterface > SAL_CALL SfxModelFactory::createInstance( ) + { + return createInstanceWithArguments( Sequence< Any >() ); + } + + + namespace + { + struct IsSpecialArgument + { + static bool isSpecialArgumentName( const OUString& _rValueName ) + { + return _rValueName == "EmbeddedObject" || _rValueName == "EmbeddedScriptSupport" || _rValueName == "DocumentRecoverySupport"; + } + + bool operator()( const Any& _rArgument ) const + { + NamedValue aNamedValue; + if ( ( _rArgument >>= aNamedValue ) && isSpecialArgumentName( aNamedValue.Name ) ) + return true; + PropertyValue aPropertyValue; + return ( _rArgument >>= aPropertyValue ) && isSpecialArgumentName( aPropertyValue.Name ); + } + }; + } + + + Reference< XInterface > SAL_CALL SfxModelFactory::createInstanceWithArguments( const Sequence< Any >& _rArguments ) + { + ::comphelper::NamedValueCollection aArgs( _rArguments ); + const bool bEmbeddedObject = aArgs.getOrDefault( "EmbeddedObject", false ); + const bool bScriptSupport = aArgs.getOrDefault( "EmbeddedScriptSupport", true ); + const bool bDocRecoverySupport = aArgs.getOrDefault( "DocumentRecoverySupport", true ); + + SfxModelFlags nCreationFlags = + ( bEmbeddedObject ? SfxModelFlags::EMBEDDED_OBJECT : SfxModelFlags::NONE ) + | ( bScriptSupport ? SfxModelFlags::NONE : SfxModelFlags::DISABLE_EMBEDDED_SCRIPTS ) + | ( bDocRecoverySupport ? SfxModelFlags::NONE : SfxModelFlags::DISABLE_DOCUMENT_RECOVERY ); + + Reference< XInterface > xInstance( (*m_pComponentFactoryFunc)( m_xServiceFactory, nCreationFlags ) ); + + // to mimic the behaviour of the default factory's createInstanceWithArguments, we initialize + // the object with the given arguments, stripped by the three special ones + Sequence< Any > aStrippedArguments( _rArguments.getLength() ); + Any* pStrippedArgs = aStrippedArguments.getArray(); + Any* pStrippedArgsEnd = ::std::remove_copy_if( + _rArguments.begin(), + _rArguments.end(), + pStrippedArgs, + IsSpecialArgument() + ); + aStrippedArguments.realloc( pStrippedArgsEnd - pStrippedArgs ); + + if ( aStrippedArguments.hasElements() ) + { + Reference< XInitialization > xModelInit( xInstance, UNO_QUERY ); + OSL_ENSURE( xModelInit.is(), "SfxModelFactory::createInstanceWithArguments: no XInitialization!" ); + if ( xModelInit.is() ) + xModelInit->initialize( aStrippedArguments ); + } + + return xInstance; + } + + OUString SAL_CALL SfxModelFactory::getImplementationName( ) + { + return m_sImplementationName; + } + + sal_Bool SAL_CALL SfxModelFactory::supportsService( const OUString& _rServiceName ) + { + return cppu::supportsService(this, _rServiceName); + } + + Sequence< OUString > SAL_CALL SfxModelFactory::getSupportedServiceNames( ) + { + return m_aServiceNames; + } + + Reference< XSingleServiceFactory > createSfxModelFactory( const Reference< XMultiServiceFactory >& _rxServiceFactory, + const OUString& _rImplementationName, const SfxModelFactoryFunc _pComponentFactoryFunc, + const Sequence< OUString >& _rServiceNames ) + { + return new SfxModelFactory( _rxServiceFactory, _rImplementationName, _pComponentFactoryFunc, _rServiceNames ); + } +} // namespace sfx2 + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |