diff options
Diffstat (limited to 'comphelper/inc/comphelper/proxyaggregation.hxx')
| -rw-r--r-- | comphelper/inc/comphelper/proxyaggregation.hxx | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/comphelper/inc/comphelper/proxyaggregation.hxx b/comphelper/inc/comphelper/proxyaggregation.hxx new file mode 100644 index 000000000000..c4c9281da8f2 --- /dev/null +++ b/comphelper/inc/comphelper/proxyaggregation.hxx @@ -0,0 +1,229 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef COMPHELPER_PROXY_AGGREGATION +#define COMPHELPER_PROXY_AGGREGATION + +#include <com/sun/star/uno/XAggregation.hpp> +#include <com/sun/star/lang/XMultiServiceFactory.hpp> +#include <com/sun/star/lang/XComponent.hpp> +#include <cppuhelper/implbase1.hxx> +#include <cppuhelper/interfacecontainer.hxx> +#include <comphelper/uno3.hxx> +#include <comphelper/broadcasthelper.hxx> +#include <cppuhelper/compbase_ex.hxx> +#include "comphelper/comphelperdllapi.h" + +/* class hierarchy herein: + + +-------------------+ helper class for aggregating the proxy to another object + | OProxyAggregation | - not ref counted + +-------------------+ - no UNO implementation, i.e. not derived from XInterface + ^ (neither direct nor indirect) + | + | + +----------------------------------+ helper class for aggregating a proxy to an XComponent + | OComponentProxyAggregationHelper | - life time coupling: if the inner component (the "aggregate") + +----------------------------------+ is disposed, the outer (the delegator) is disposed, too, and + ^ vice versa + | - UNO based, implementing XEventListener + | + +----------------------------+ component aggregating another XComponent + | OComponentProxyAggregation | - life time coupling as above + +----------------------------+ - ref-counted + - implements an XComponent itself + + If you need to + + - wrap a foreign object which is a XComponent + => use OComponentProxyAggregation + - call componentAggregateProxyFor in your ctor + - call implEnsureDisposeInDtor in your dtor + + - wrap a foreign object which is a XComponent, but already have ref-counting mechanisms + inherited from somewhere else + => use OComponentProxyAggregationHelper + - override dispose - don't forget to call the base class' dispose! + - call componentAggregateProxyFor in your ctor + + - wrap a foreign object which is no XComponent + => use OProxyAggregation + - call baseAggregateProxyFor in your ctor +*/ + +//............................................................................. +namespace comphelper +{ +//............................................................................. + + //========================================================================= + //= OProxyAggregation + //========================================================================= + /** helper class for aggregating a proxy for a foreign object + */ + class OProxyAggregation + { + private: + ::com::sun::star::uno::Reference< ::com::sun::star::uno::XAggregation > m_xProxyAggregate; + ::com::sun::star::uno::Reference< ::com::sun::star::lang::XTypeProvider > m_xProxyTypeAccess; + ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > m_xORB; + + protected: + inline const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& getORB() + { + return m_xORB; + } + + protected: + OProxyAggregation( const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxORB ); + ~OProxyAggregation(); + + /// to be called from within your ctor + void baseAggregateProxyFor( + const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _rxComponent, + oslInterlockedCount& _rRefCount, + ::cppu::OWeakObject& _rDelegator + ); + + // XInterface and XTypeProvider + ::com::sun::star::uno::Any SAL_CALL queryAggregation( const ::com::sun::star::uno::Type& _rType ) throw (::com::sun::star::uno::RuntimeException); + ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Type > SAL_CALL getTypes( ) throw (::com::sun::star::uno::RuntimeException); + + private: + OProxyAggregation( ); // never implemented + OProxyAggregation( const OProxyAggregation& ); // never implemented + OProxyAggregation& operator=( const OProxyAggregation& ); // never implemented + }; + + //========================================================================= + //= OComponentProxyAggregationHelper + //========================================================================= + /** a helper class for aggregating a proxy to an XComponent + + <p>The object couples the life time of itself and the component: if one of the both + dies (in a sense of being disposed), the other one dies, too.</p> + + <p>The class itself does not implement XComponent so you need to forward any XComponent::dispose + calls which your derived class gets to the dispose method of this class.</p> + */ + + class COMPHELPER_DLLPUBLIC OComponentProxyAggregationHelper :public ::cppu::ImplHelper1 < com::sun::star::lang::XEventListener + > + ,private OProxyAggregation + { + private: + typedef ::cppu::ImplHelper1 < ::com::sun::star::lang::XEventListener + > BASE; // prevents some MSVC problems + + protected: + ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent > + m_xInner; + ::cppu::OBroadcastHelper& m_rBHelper; + + protected: + // OProxyAggregation + using OProxyAggregation::getORB; + + // XInterface + ::com::sun::star::uno::Any SAL_CALL queryInterface( const ::com::sun::star::uno::Type& _rType ) throw (::com::sun::star::uno::RuntimeException); + + // XTypeProvider + DECLARE_XTYPEPROVIDER( ) + + protected: + OComponentProxyAggregationHelper( + const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxORB, + ::cppu::OBroadcastHelper& _rBHelper + ); + virtual ~OComponentProxyAggregationHelper( ); + + /// to be called from within your ctor + void componentAggregateProxyFor( + const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent >& _rxComponent, + oslInterlockedCount& _rRefCount, + ::cppu::OWeakObject& _rDelegator + ); + + // XEventListener + virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw (::com::sun::star::uno::RuntimeException); + + // XComponent + virtual void SAL_CALL dispose() throw( ::com::sun::star::uno::RuntimeException ); + + private: + COMPHELPER_DLLPRIVATE OComponentProxyAggregationHelper( ); // never implemented + COMPHELPER_DLLPRIVATE OComponentProxyAggregationHelper( const OComponentProxyAggregationHelper& ); // never implemented + COMPHELPER_DLLPRIVATE OComponentProxyAggregationHelper& operator=( const OComponentProxyAggregationHelper& ); // never implemented + }; + + //========================================================================= + //= OComponentProxyAggregation + //========================================================================= + typedef ::cppu::WeakComponentImplHelperBase OComponentProxyAggregation_CBase; + + class COMPHELPER_DLLPUBLIC OComponentProxyAggregation :public OBaseMutex + ,public OComponentProxyAggregation_CBase + ,public OComponentProxyAggregationHelper + { + protected: + OComponentProxyAggregation( + const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxORB, + const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent >& _rxComponent + ); + + virtual ~OComponentProxyAggregation(); + + // XInterface + DECLARE_XINTERFACE() + // XTypeProvider + DECLARE_XTYPEPROVIDER() + + // OComponentHelper + virtual void SAL_CALL disposing() throw (::com::sun::star::uno::RuntimeException); + + // XEventListener + virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& _rSource ) throw (::com::sun::star::uno::RuntimeException); + + // XComponent/OComponentProxyAggregationHelper + virtual void SAL_CALL dispose() throw( ::com::sun::star::uno::RuntimeException ); + + protected: + // be called from within the dtor of derived classes + void implEnsureDisposeInDtor( ); + + private: + COMPHELPER_DLLPRIVATE OComponentProxyAggregation( ); // never implemented + COMPHELPER_DLLPRIVATE OComponentProxyAggregation( const OComponentProxyAggregation& ); // never implemented + COMPHELPER_DLLPRIVATE OComponentProxyAggregation& operator=( const OComponentProxyAggregation& ); // never implemented + }; + +//............................................................................. +} // namespace comphelper +//............................................................................. + + +#endif // COMPHELPER_PROXY_AGGREGATION |