295 lines
11 KiB
C++
295 lines
11 KiB
C++
/*************************************************************************
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*
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* $RCSfile: OSubComponent.hxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: vg $ $Date: 2003-06-10 10:17:31 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef _CONNECTIVITY_OSUBCOMPONENT_HXX_
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#define _CONNECTIVITY_OSUBCOMPONENT_HXX_
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#ifndef _CPPUHELPER_WEAK_HXX_
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#include <cppuhelper/weak.hxx>
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#endif
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#ifndef _CPPUHELPER_INTERFACECONTAINER_H_
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#include <cppuhelper/interfacecontainer.h>
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#endif
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#ifndef _COM_SUN_STAR_LANG_DISPOSEDEXCEPTION_HPP_
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#include <com/sun/star/lang/DisposedException.hpp>
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#endif
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#ifndef _CPPUHELPER_PROPSHLP_HXX
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#include <cppuhelper/propshlp.hxx>
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#endif
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#ifndef _OSL_MUTEX_HXX_
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#include <osl/mutex.hxx>
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#endif
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#ifndef _OSL_DIAGNOSE_H_
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#include <osl/diagnose.h>
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#endif
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namespace cppu {
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class IPropertyArrayHelper;
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}
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namespace com
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{
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namespace sun
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{
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namespace star
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{
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namespace lang
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{
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class XComponent;
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}
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}
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}
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}
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namespace connectivity
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{
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namespace skeleton
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{
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void release(oslInterlockedCount& _refCount,
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::cppu::OBroadcastHelper& rBHelper,
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::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xInterface,
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::com::sun::star::lang::XComponent* _pObject);
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void checkDisposed(sal_Bool _bThrow) throw ( ::com::sun::star::lang::DisposedException );
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//************************************************************
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// OSubComponent
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//************************************************************
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template <class SELF, class WEAK> class OSubComponent
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{
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protected:
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// the parent must support the tunnel implementation
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::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > m_xParent;
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SELF* m_pDerivedImplementation;
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public:
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OSubComponent(
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const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xParent,
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SELF* _pDerivedImplementation)
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:m_xParent(_xParent)
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,m_pDerivedImplementation(_pDerivedImplementation)
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{
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}
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protected:
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void dispose_ChildImpl()
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{
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::osl::MutexGuard aGuard( m_pDerivedImplementation->rBHelper.rMutex );
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m_xParent = NULL;
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}
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void relase_ChildImpl()
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{
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release(m_pDerivedImplementation->m_refCount,
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m_pDerivedImplementation->rBHelper,
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m_xParent,
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m_pDerivedImplementation);
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m_pDerivedImplementation->WEAK::release();
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}
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};
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template <class TYPE>
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class OPropertyArrayUsageHelper
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{
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protected:
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static sal_Int32 s_nRefCount;
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static ::cppu::IPropertyArrayHelper* s_pProps;
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static ::osl::Mutex s_aMutex;
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public:
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OPropertyArrayUsageHelper();
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virtual ~OPropertyArrayUsageHelper()
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{ // ARGHHHHHHH ..... would like to implement this in proparrhlp_impl.hxx (as we do with all other methods)
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// but SUNPRO 5 compiler (linker) doesn't like this
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::osl::MutexGuard aGuard(s_aMutex);
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OSL_ENSURE(s_nRefCount > 0, "OPropertyArrayUsageHelper::~OPropertyArrayUsageHelper : suspicious call : have a refcount of 0 !");
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if (!--s_nRefCount)
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{
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delete s_pProps;
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s_pProps = NULL;
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}
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}
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/** call this in the getInfoHelper method of your derived class. The method returns the array helper of the
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class, which is created if neccessary.
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*/
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::cppu::IPropertyArrayHelper* getArrayHelper();
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protected:
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/** used to implement the creation of the array helper which is shared amongst all instances of the class.
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This method needs to be implemented in derived classes.
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<BR>
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The method gets called with s_aMutex acquired.
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<BR>
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as long as IPropertyArrayHelper has no virtual destructor, the implementation of ~OPropertyArrayUsageHelper
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assumes that you created an ::cppu::OPropertyArrayHelper when deleting s_pProps.
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@return an pointer to the newly created array helper. Must not be NULL.
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*/
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virtual ::cppu::IPropertyArrayHelper* createArrayHelper( ) const = 0;
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};
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#ifndef MACOSX
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template<class TYPE>
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sal_Int32 OPropertyArrayUsageHelper< TYPE >::s_nRefCount = 0;
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template<class TYPE>
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::cppu::IPropertyArrayHelper* OPropertyArrayUsageHelper< TYPE >::s_pProps = NULL;
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template<class TYPE>
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::osl::Mutex OPropertyArrayUsageHelper< TYPE >::s_aMutex;
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#endif /* MACOSX */
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//------------------------------------------------------------------
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template <class TYPE>
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OPropertyArrayUsageHelper<TYPE>::OPropertyArrayUsageHelper()
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{
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::osl::MutexGuard aGuard(s_aMutex);
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++s_nRefCount;
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}
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//------------------------------------------------------------------
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template <class TYPE>
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::cppu::IPropertyArrayHelper* OPropertyArrayUsageHelper<TYPE>::getArrayHelper()
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{
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OSL_ENSURE(s_nRefCount, "OPropertyArrayUsageHelper::getArrayHelper : suspicious call : have a refcount of 0 !");
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if (!s_pProps)
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{
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::osl::MutexGuard aGuard(s_aMutex);
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if (!s_pProps)
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{
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s_pProps = createArrayHelper();
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OSL_ENSURE(s_pProps, "OPropertyArrayUsageHelper::getArrayHelper : createArrayHelper returned nonsense !");
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}
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}
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return s_pProps;
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}
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class OBase_Mutex
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{
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public:
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::osl::Mutex m_aMutex;
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};
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namespace internal
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{
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template <class T>
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void implCopySequence(const T* _pSource, T*& _pDest, sal_Int32 _nSourceLen)
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{
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for (sal_Int32 i=0; i<_nSourceLen; ++i, ++_pSource, ++_pDest)
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*_pDest = *_pSource;
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}
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}
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//-------------------------------------------------------------------------
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/// concat two sequences
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template <class T>
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::com::sun::star::uno::Sequence<T> concatSequences(const ::com::sun::star::uno::Sequence<T>& _rLeft, const ::com::sun::star::uno::Sequence<T>& _rRight)
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{
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sal_Int32 nLeft(_rLeft.getLength()), nRight(_rRight.getLength());
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const T* pLeft = _rLeft.getConstArray();
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const T* pRight = _rRight.getConstArray();
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sal_Int32 nReturnLen(nLeft + nRight);
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::com::sun::star::uno::Sequence<T> aReturn(nReturnLen);
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T* pReturn = aReturn.getArray();
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internal::implCopySequence(pLeft, pReturn, nLeft);
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internal::implCopySequence(pRight, pReturn, nRight);
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return aReturn;
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}
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#define DECLARE_SERVICE_INFO() \
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virtual ::rtl::OUString SAL_CALL getImplementationName( ) throw (::com::sun::star::uno::RuntimeException); \
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virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw(::com::sun::star::uno::RuntimeException); \
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virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames( ) throw(::com::sun::star::uno::RuntimeException) \
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#define IMPLEMENT_SERVICE_INFO(classname, implasciiname, serviceasciiname) \
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::rtl::OUString SAL_CALL classname::getImplementationName( ) throw (::com::sun::star::uno::RuntimeException) \
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{ \
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return ::rtl::OUString::createFromAscii(implasciiname); \
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} \
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::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL classname::getSupportedServiceNames( ) throw(::com::sun::star::uno::RuntimeException) \
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{ \
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::com::sun::star::uno::Sequence< ::rtl::OUString > aSupported(1); \
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aSupported[0] = ::rtl::OUString::createFromAscii(serviceasciiname); \
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return aSupported; \
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} \
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sal_Bool SAL_CALL classname::supportsService( const ::rtl::OUString& _rServiceName ) throw(::com::sun::star::uno::RuntimeException) \
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{ \
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Sequence< ::rtl::OUString > aSupported(getSupportedServiceNames()); \
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const ::rtl::OUString* pSupported = aSupported.getConstArray(); \
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const ::rtl::OUString* pEnd = pSupported + aSupported.getLength(); \
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for (;pSupported != pEnd && !pSupported->equals(_rServiceName); ++pSupported) \
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; \
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\
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return pSupported != pEnd; \
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} \
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}
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}
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#endif // _CONNECTIVITY_OSUBCOMPONENT_HXX_
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