394 lines
13 KiB
C++
394 lines
13 KiB
C++
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/*************************************************************************
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*
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* $RCSfile: cf_service.cxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: rt $ $Date: 2004-11-26 17:04:16 $
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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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#include "osl/mutex.hxx"
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#include "cppuhelper/implementationentry.hxx"
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#include "cppuhelper/factory.hxx"
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#include "cppuhelper/implbase3.hxx"
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#include "com/sun/star/uno/XComponentContext.hpp"
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#include "com/sun/star/lang/XServiceInfo.hpp"
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#include "com/sun/star/lang/XSingleComponentFactory.hpp"
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#include "com/sun/star/container/XContentEnumerationAccess.hpp"
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#include "com/sun/star/container/XNameAccess.hpp"
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#include "com/sun/star/beans/PropertyValue.hpp"
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#define OUSTR(x) ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(x) )
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#define ARLEN(x) (sizeof (x) / sizeof *(x))
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::uno;
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using ::rtl::OUString;
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namespace {
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OUString SAL_CALL getImplName()
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{
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return OUSTR("drafts.com.sun.star.comp.rendering.CanvasFactory");
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}
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Sequence<OUString> SAL_CALL getSuppServices()
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{
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OUString name = OUSTR("drafts.com.sun.star.rendering.CanvasFactory");
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return Sequence<OUString>(&name, 1);
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}
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//==============================================================================
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class CanvasFactory
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: public ::cppu::WeakImplHelper3< lang::XServiceInfo,
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lang::XMultiComponentFactory,
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lang::XMultiServiceFactory >
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{
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::osl::Mutex m_mutex;
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Reference<XComponentContext> m_xContext;
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Sequence<OUString> m_services;
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OUString m_serviceName;
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Reference<lang::XSingleComponentFactory> m_xFactory;
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Reference<XInterface> use(
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Reference<lang::XSingleComponentFactory> const & xFactory,
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Sequence<Any> const & args,
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Reference<XComponentContext> const & xContext );
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Reference<XInterface> lookupAndUse(
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OUString const & serviceName, Sequence<Any> const & args,
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Reference<XComponentContext> const & xContext );
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public:
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virtual ~CanvasFactory();
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CanvasFactory( Reference<XComponentContext> const & xContext );
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// XServiceInfo
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virtual OUString SAL_CALL getImplementationName() throw (RuntimeException);
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virtual sal_Bool SAL_CALL supportsService( OUString const & serviceName )
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throw (RuntimeException);
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virtual Sequence<OUString> SAL_CALL getSupportedServiceNames()
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throw (RuntimeException);
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// XMultiComponentFactory
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virtual Sequence<OUString> SAL_CALL getAvailableServiceNames()
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throw (RuntimeException);
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virtual Reference<XInterface> SAL_CALL createInstanceWithContext(
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OUString const & name,
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Reference<XComponentContext> const & xContext ) throw (Exception);
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virtual Reference<XInterface> SAL_CALL
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createInstanceWithArgumentsAndContext(
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OUString const & name,
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Sequence<Any> const & args,
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Reference<XComponentContext> const & xContext ) throw (Exception);
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// XMultiServiceFactory
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virtual Reference<XInterface> SAL_CALL createInstance(
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OUString const & name )
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throw (Exception);
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virtual Reference<XInterface> SAL_CALL createInstanceWithArguments(
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OUString const & name, Sequence<Any> const & args )
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throw (Exception);
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// virtual Sequence<OUString> SAL_CALL getAvailableServiceNames()
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// throw (RuntimeException);
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};
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CanvasFactory::CanvasFactory(
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Reference<XComponentContext> const & xContext )
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: m_xContext(xContext)
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{
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// read out configuration for preferred services:
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Reference<lang::XMultiServiceFactory> xConfigProvider(
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m_xContext->getServiceManager()->createInstanceWithContext(
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OUSTR("com.sun.star.configuration.ConfigurationProvider"),
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m_xContext ), UNO_QUERY_THROW );
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Any propValue(
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makeAny( beans::PropertyValue(
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OUSTR("nodepath"), -1,
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makeAny( OUSTR("/org.openoffice.VCL/Settings/Canvas") ),
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beans::PropertyState_DIRECT_VALUE ) ) );
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try {
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Reference<container::XNameAccess> xNameAccess(
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xConfigProvider->createInstanceWithArguments(
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OUSTR("com.sun.star.configuration.ConfigurationAccess"),
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Sequence<Any>( &propValue, 1 ) ), UNO_QUERY );
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if (xNameAccess.is())
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xNameAccess->getByName( OUSTR("PreferredServices") ) >>= m_services;
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}
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catch (RuntimeException &) {
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throw;
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}
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catch (Exception & exc) {
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(void) exc;
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}
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// append the usual preferred ones:
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sal_Int32 pos = m_services.getLength();
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#if defined WNT
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m_services.realloc( pos + 3 );
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m_services[ pos++ ] = OUSTR("drafts.com.sun.star.rendering.DXCanvas");
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#else
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m_services.realloc( pos + 2 );
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#endif
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m_services[ pos++ ] = OUSTR("drafts.com.sun.star.rendering.JavaCanvas");
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m_services[ pos ] = OUSTR("drafts.com.sun.star.rendering.VCLCanvas");
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}
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CanvasFactory::~CanvasFactory()
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{
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}
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//------------------------------------------------------------------------------
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Reference<XInterface> create( Reference<XComponentContext> const & xContext )
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{
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return static_cast< ::cppu::OWeakObject * >(
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new CanvasFactory( xContext ) );
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}
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// XServiceInfo
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//______________________________________________________________________________
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OUString CanvasFactory::getImplementationName() throw (RuntimeException)
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{
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return getImplName();
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}
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//______________________________________________________________________________
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sal_Bool CanvasFactory::supportsService( OUString const & serviceName )
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throw (RuntimeException)
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{
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return serviceName.equals(getSuppServices()[0]);
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}
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//______________________________________________________________________________
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Sequence<OUString> CanvasFactory::getSupportedServiceNames()
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throw (RuntimeException)
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{
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return getSuppServices();
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}
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// XMultiComponentFactory
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//______________________________________________________________________________
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Sequence<OUString> CanvasFactory::getAvailableServiceNames()
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throw (RuntimeException)
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{
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return m_services;
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}
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//______________________________________________________________________________
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Reference<XInterface> CanvasFactory::createInstanceWithContext(
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OUString const & name, Reference<XComponentContext> const & xContext )
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throw (Exception)
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{
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return createInstanceWithArgumentsAndContext(
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name, Sequence<Any>(), xContext );
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}
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//______________________________________________________________________________
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Reference<XInterface> CanvasFactory::use(
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Reference<lang::XSingleComponentFactory> const & xFactory,
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Sequence<Any> const & args, Reference<XComponentContext> const & xContext )
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{
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try {
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return xFactory->createInstanceWithArgumentsAndContext(args, xContext);
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}
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catch (RuntimeException &) {
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throw;
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}
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catch (Exception &) {
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return Reference<XInterface>();
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}
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}
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//______________________________________________________________________________
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Reference<XInterface> CanvasFactory::lookupAndUse(
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OUString const & serviceName, Sequence<Any> const & args,
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Reference<XComponentContext> const & xContext )
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{
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{
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// try to reuse:
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::osl::ClearableMutexGuard guard(m_mutex);
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if (m_serviceName.equals(serviceName)) {
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Reference<lang::XSingleComponentFactory> xFac(m_xFactory);
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guard.clear();
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Reference<XInterface> xCanvas( use( xFac, args, xContext ) );
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if (xCanvas.is())
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return xCanvas;
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}
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}
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Reference<container::XContentEnumerationAccess> xEnumAccess(
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// use service manager of factory:
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m_xContext->getServiceManager(), UNO_QUERY_THROW );
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Reference<container::XEnumeration> xEnum(
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xEnumAccess->createContentEnumeration( serviceName ) );
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if (xEnum.is()) {
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while (xEnum->hasMoreElements()) {
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Reference<lang::XSingleComponentFactory> xFactory(
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xEnum->nextElement(), UNO_QUERY );
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OSL_ASSERT( xFactory.is() );
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if (xFactory.is()) {
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Reference<XInterface> xCanvas(
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use( xFactory, args, xContext ) );
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if (xCanvas.is()) {
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::osl::MutexGuard guard(m_mutex);
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// init for reuse:
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m_xFactory.set(xFactory);
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m_serviceName = serviceName;
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return xCanvas;
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}
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}
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}
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}
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return Reference<XInterface>();
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}
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//______________________________________________________________________________
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Reference<XInterface> CanvasFactory::createInstanceWithArgumentsAndContext(
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OUString const & preferredOne, Sequence<Any> const & args,
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Reference<XComponentContext> const & xContext ) throw (Exception)
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{
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// preferred one overrides previously used one:
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if (preferredOne.getLength() > 0) {
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Reference<XInterface> xCanvas(
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lookupAndUse( preferredOne, args, xContext ) );
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if (xCanvas.is())
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return xCanvas;
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}
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{
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// try to reuse previously installed factory:
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::osl::ClearableMutexGuard guard(m_mutex);
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if (m_xFactory.is()) {
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Reference<lang::XSingleComponentFactory> xFac(m_xFactory);
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guard.clear();
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Reference<XInterface> xCanvas( use( xFac, args, xContext ) );
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if (xCanvas.is())
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return xCanvas;
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}
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}
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// try configured ones:
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OUString const * pservices = m_services.getConstArray();
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sal_Int32 pos = 0, len = m_services.getLength();
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for ( ; pos < len; ++pos ) {
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Reference<XInterface> xCanvas(
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lookupAndUse( pservices[pos], args, xContext ) );
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if (xCanvas.is())
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return xCanvas;
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}
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OSL_ENSURE( 0, "### no canvas available!?" );
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return Reference<XInterface>();
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}
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// XMultiServiceFactory
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//______________________________________________________________________________
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Reference<XInterface> CanvasFactory::createInstance( OUString const & name )
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throw (Exception)
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{
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return createInstanceWithArgumentsAndContext(
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name, Sequence<Any>(), m_xContext );
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}
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//______________________________________________________________________________
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Reference<XInterface> CanvasFactory::createInstanceWithArguments(
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OUString const & name, Sequence<Any> const & args ) throw (Exception)
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{
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return createInstanceWithArgumentsAndContext(
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name, args, m_xContext );
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}
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const ::cppu::ImplementationEntry s_entries [] = {
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{
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create,
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getImplName,
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getSuppServices,
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::cppu::createSingleComponentFactory,
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0, 0
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},
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{ 0, 0, 0, 0, 0, 0 }
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};
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} // anon namespace
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extern "C" {
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void SAL_CALL component_getImplementationEnvironment(
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const sal_Char ** ppEnvTypeName, uno_Environment ** ppEnv )
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{
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*ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME;
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}
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sal_Bool SAL_CALL component_writeInfo(
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lang::XMultiServiceFactory * pServiceManager,
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registry::XRegistryKey * pRegistryKey )
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{
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return ::cppu::component_writeInfoHelper(
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pServiceManager, pRegistryKey, s_entries );
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}
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|
||
|
|
void * SAL_CALL component_getFactory(
|
||
|
|
sal_Char const * pImplName,
|
||
|
|
lang::XMultiServiceFactory * pServiceManager,
|
||
|
|
registry::XRegistryKey * pRegistryKey )
|
||
|
|
{
|
||
|
|
return ::cppu::component_getFactoryHelper(
|
||
|
|
pImplName, pServiceManager, pRegistryKey, s_entries );
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|