969b55d8da
Found with bin/find-unneeded-includes Only removal proposals are dealt with here. Change-Id: Ie1f6fe98f4e8bc792f5eae1ccdd697c997707004 Reviewed-on: https://gerrit.libreoffice.org/81930 Tested-by: Jenkins Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
487 lines
18 KiB
C++
487 lines
18 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/config.h>
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#include <sal/log.hxx>
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#include <algorithm>
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#include <utility>
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#include <vector>
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#include <com/sun/star/configuration/theDefaultProvider.hpp>
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#include <com/sun/star/container/XHierarchicalNameAccess.hpp>
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#include <com/sun/star/container/XNameAccess.hpp>
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#include <com/sun/star/lang/IllegalArgumentException.hpp>
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#include <com/sun/star/lang/XServiceInfo.hpp>
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#include <com/sun/star/lang/XServiceName.hpp>
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#include <com/sun/star/uno/XComponentContext.hpp>
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#include <comphelper/propertysequence.hxx>
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#include <cppuhelper/implbase.hxx>
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#include <cppuhelper/supportsservice.hxx>
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#include <osl/mutex.hxx>
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#include <o3tl/functional.hxx>
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#include <config_features.h>
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#if HAVE_FEATURE_OPENGL
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#include <vcl/opengl/OpenGLWrapper.hxx>
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#endif
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#include <unotools/configmgr.hxx>
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::uno;
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namespace
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{
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class CanvasFactory
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: public ::cppu::WeakImplHelper< lang::XServiceInfo,
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lang::XMultiComponentFactory,
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lang::XMultiServiceFactory >
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{
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typedef std::pair< OUString, Sequence< OUString > > AvailPair;
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typedef std::pair< OUString, OUString > CachePair;
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typedef std::vector< AvailPair > AvailVector;
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typedef std::vector< CachePair > CacheVector;
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mutable ::osl::Mutex m_mutex;
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Reference<XComponentContext> m_xContext;
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Reference<container::XNameAccess> m_xCanvasConfigNameAccess;
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AvailVector m_aAvailableImplementations;
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AvailVector m_aAcceleratedImplementations;
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AvailVector m_aAAImplementations;
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mutable CacheVector m_aCachedImplementations;
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mutable bool m_bCacheHasForcedLastImpl;
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mutable bool m_bCacheHasUseAcceleratedEntry;
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mutable bool m_bCacheHasUseAAEntry;
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void checkConfigFlag( bool& r_bFlag,
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bool& r_CacheFlag,
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const OUString& nodeName ) const;
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Reference<XInterface> use(
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OUString const & serviceName,
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Sequence<Any> const & args,
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Reference<XComponentContext> const & xContext ) const;
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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 ) const;
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public:
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virtual ~CanvasFactory() override;
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explicit CanvasFactory( Reference<XComponentContext> const & xContext );
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// XServiceInfo
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virtual OUString SAL_CALL getImplementationName() override;
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virtual sal_Bool SAL_CALL supportsService( OUString const & serviceName ) override;
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virtual Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
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// XMultiComponentFactory
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virtual Sequence<OUString> SAL_CALL getAvailableServiceNames() override;
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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 ) override;
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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 ) override;
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// XMultiServiceFactory
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virtual Reference<XInterface> SAL_CALL createInstance(
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OUString const & name ) override;
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virtual Reference<XInterface> SAL_CALL createInstanceWithArguments(
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OUString const & name, Sequence<Any> const & args ) override;
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};
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CanvasFactory::CanvasFactory( Reference<XComponentContext> const & xContext ) :
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m_mutex(),
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m_xContext(xContext),
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m_xCanvasConfigNameAccess(),
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m_aAvailableImplementations(),
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m_aAcceleratedImplementations(),
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m_aAAImplementations(),
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m_aCachedImplementations(),
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m_bCacheHasForcedLastImpl(),
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m_bCacheHasUseAcceleratedEntry(),
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m_bCacheHasUseAAEntry()
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{
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if (!utl::ConfigManager::IsFuzzing())
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{
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try
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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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configuration::theDefaultProvider::get( m_xContext ) );
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uno::Sequence<uno::Any> aArgs(comphelper::InitAnyPropertySequence(
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{
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{"nodepath", uno::Any(OUString("/org.openoffice.Office.Canvas"))}
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}));
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m_xCanvasConfigNameAccess.set(
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xConfigProvider->createInstanceWithArguments(
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"com.sun.star.configuration.ConfigurationAccess",
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aArgs ),
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UNO_QUERY_THROW );
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uno::Sequence<uno::Any> aArgs2(comphelper::InitAnyPropertySequence(
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{
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{"nodepath", uno::Any(OUString("/org.openoffice.Office.Canvas/CanvasServiceList"))}
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}));
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Reference<container::XNameAccess> xNameAccess(
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xConfigProvider->createInstanceWithArguments(
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"com.sun.star.configuration.ConfigurationAccess",
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aArgs2 ), UNO_QUERY_THROW );
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Reference<container::XHierarchicalNameAccess> xHierarchicalNameAccess(
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xNameAccess, UNO_QUERY_THROW);
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Sequence<OUString> serviceNames = xNameAccess->getElementNames();
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const OUString* pCurr = serviceNames.getConstArray();
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const OUString* const pEnd = pCurr + serviceNames.getLength();
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while( pCurr != pEnd )
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{
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Reference<container::XNameAccess> xEntryNameAccess(
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xHierarchicalNameAccess->getByHierarchicalName(*pCurr),
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UNO_QUERY );
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if( xEntryNameAccess.is() )
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{
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Sequence<OUString> implementationList;
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if( xEntryNameAccess->getByName("PreferredImplementations") >>= implementationList )
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{
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m_aAvailableImplementations.emplace_back(*pCurr,implementationList );
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}
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if( xEntryNameAccess->getByName("AcceleratedImplementations") >>= implementationList )
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{
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m_aAcceleratedImplementations.emplace_back(*pCurr,implementationList );
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}
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if( xEntryNameAccess->getByName("AntialiasingImplementations") >>= implementationList )
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{
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m_aAAImplementations.emplace_back(*pCurr,implementationList );
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}
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}
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++pCurr;
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}
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}
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catch (const RuntimeException &)
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{
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throw;
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}
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catch (const Exception&)
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{
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}
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}
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if (m_aAvailableImplementations.empty())
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{
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// Ugh. Looks like configuration is borked. Fake minimal
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// setup.
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Sequence<OUString> aServices { "com.sun.star.comp.rendering.Canvas.VCL" };
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m_aAvailableImplementations.emplace_back(OUString("com.sun.star.rendering.Canvas"),
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aServices );
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aServices[0] = "com.sun.star.comp.rendering.SpriteCanvas.VCL";
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m_aAvailableImplementations.emplace_back(OUString("com.sun.star.rendering.SpriteCanvas"),
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aServices );
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}
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}
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CanvasFactory::~CanvasFactory()
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{
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}
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// XServiceInfo
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OUString CanvasFactory::getImplementationName()
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{
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return "com.sun.star.comp.rendering.CanvasFactory";
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}
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sal_Bool CanvasFactory::supportsService( OUString const & serviceName )
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{
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return cppu::supportsService(this, serviceName);
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}
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Sequence<OUString> CanvasFactory::getSupportedServiceNames()
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{
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return { "com.sun.star.rendering.CanvasFactory" };
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}
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// XMultiComponentFactory
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Sequence<OUString> CanvasFactory::getAvailableServiceNames()
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{
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Sequence<OUString> aServiceNames(m_aAvailableImplementations.size());
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std::transform(m_aAvailableImplementations.begin(),
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m_aAvailableImplementations.end(),
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aServiceNames.getArray(),
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o3tl::select1st< AvailPair >());
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return aServiceNames;
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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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{
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return createInstanceWithArgumentsAndContext(
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name, Sequence<Any>(), xContext );
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}
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Reference<XInterface> CanvasFactory::use(
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OUString const & serviceName,
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Sequence<Any> const & args,
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Reference<XComponentContext> const & xContext ) const
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{
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try {
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return m_xContext->getServiceManager()->createInstanceWithArgumentsAndContext(
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serviceName, args, xContext);
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}
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catch (css::lang::IllegalArgumentException &)
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{
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return Reference<XInterface>();
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}
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catch (const RuntimeException &)
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{
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throw;
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}
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catch (const Exception &)
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{
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return Reference<XInterface>();
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}
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}
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void CanvasFactory::checkConfigFlag( bool& r_bFlag,
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bool& r_CacheFlag,
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const OUString& nodeName ) const
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{
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if( m_xCanvasConfigNameAccess.is() )
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{
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m_xCanvasConfigNameAccess->getByName( nodeName ) >>= r_bFlag;
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if( r_CacheFlag != r_bFlag )
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{
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// cache is invalid, because of different order of
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// elements
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r_CacheFlag = r_bFlag;
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m_aCachedImplementations.clear();
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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 ) const
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{
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::osl::MutexGuard guard(m_mutex);
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// forcing last entry from impl list, if config flag set
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bool bForceLastEntry(false);
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checkConfigFlag( bForceLastEntry,
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m_bCacheHasForcedLastImpl,
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"ForceSafeServiceImpl" );
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// tdf#93870 - force VCL canvas in OpenGL mode for now.
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#if HAVE_FEATURE_OPENGL
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if( OpenGLWrapper::isVCLOpenGLEnabled() )
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bForceLastEntry = true;
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#endif
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// use anti-aliasing canvas, if config flag set (or not existing)
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bool bUseAAEntry(true);
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checkConfigFlag( bUseAAEntry,
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m_bCacheHasUseAAEntry,
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"UseAntialiasingCanvas" );
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// use accelerated canvas, if config flag set (or not existing)
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bool bUseAcceleratedEntry(true);
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checkConfigFlag( bUseAcceleratedEntry,
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m_bCacheHasUseAcceleratedEntry,
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"UseAcceleratedCanvas" );
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// try to reuse last working implementation for given service name
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const CacheVector::iterator aEnd(m_aCachedImplementations.end());
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CacheVector::iterator aMatch;
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if( (aMatch=std::find_if(
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m_aCachedImplementations.begin(),
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aEnd,
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[&serviceName](CachePair const& cp)
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{ return serviceName == cp.first; }
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)) != aEnd) {
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Reference<XInterface> xCanvas( use( aMatch->second, args, xContext ) );
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if(xCanvas.is())
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return xCanvas;
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}
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// lookup in available service list
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const AvailVector::const_iterator aAvailEnd(m_aAvailableImplementations.end());
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AvailVector::const_iterator aAvailImplsMatch;
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if( (aAvailImplsMatch=std::find_if(
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m_aAvailableImplementations.begin(),
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aAvailEnd,
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[&serviceName](AvailPair const& ap)
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{ return serviceName == ap.first; }
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)) == aAvailEnd ) {
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return Reference<XInterface>();
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}
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const AvailVector::const_iterator aAAEnd(m_aAAImplementations.end());
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AvailVector::const_iterator aAAImplsMatch;
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if( (aAAImplsMatch=std::find_if(
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m_aAAImplementations.begin(),
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aAAEnd,
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[&serviceName](AvailPair const& ap)
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{ return serviceName == ap.first; }
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)) == aAAEnd) {
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return Reference<XInterface>();
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}
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const AvailVector::const_iterator aAccelEnd(m_aAcceleratedImplementations.end());
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AvailVector::const_iterator aAccelImplsMatch;
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if( (aAccelImplsMatch=std::find_if(
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m_aAcceleratedImplementations.begin(),
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aAccelEnd,
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[&serviceName](AvailPair const& ap)
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{ return serviceName == ap.first; }
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)) == aAccelEnd ) {
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return Reference<XInterface>();
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}
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const Sequence<OUString> aPreferredImpls( aAvailImplsMatch->second );
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const OUString* pCurrImpl = aPreferredImpls.getConstArray();
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const OUString* const pEndImpl = pCurrImpl + aPreferredImpls.getLength();
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const Sequence<OUString> aAAImpls( aAAImplsMatch->second );
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const OUString* const pFirstAAImpl = aAAImpls.getConstArray();
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const OUString* const pEndAAImpl = pFirstAAImpl + aAAImpls.getLength();
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const Sequence<OUString> aAccelImpls( aAccelImplsMatch->second );
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const OUString* const pFirstAccelImpl = aAccelImpls.getConstArray();
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const OUString* const pEndAccelImpl = pFirstAccelImpl + aAccelImpls.getLength();
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// force last entry from impl list, if config flag set
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if( bForceLastEntry )
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pCurrImpl = pEndImpl-1;
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while( pCurrImpl != pEndImpl )
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{
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const OUString aCurrName(pCurrImpl->trim());
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// check whether given canvas service is listed in the
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// sequence of "accelerated canvas implementations"
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const bool bIsAcceleratedImpl(
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std::any_of(pFirstAccelImpl,
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pEndAccelImpl,
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[&aCurrName](OUString const& src)
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{ return aCurrName == src.trim(); }
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));
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// check whether given canvas service is listed in the
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// sequence of "antialiasing canvas implementations"
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const bool bIsAAImpl(
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std::any_of(pFirstAAImpl,
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pEndAAImpl,
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[&aCurrName](OUString const& src)
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{ return aCurrName == src.trim(); }
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));
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// try to instantiate canvas *only* if either accel and AA
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// property match preference, *or*, if there's a mismatch, only
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// go for a less capable canvas (that effectively let those
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// pour canvas impls still work as fallbacks, should an
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// accelerated/AA one fail). Property implies configuration:
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// http://en.wikipedia.org/wiki/Truth_table#Logical_implication
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if( (!bIsAAImpl || bUseAAEntry) && (!bIsAcceleratedImpl || bUseAcceleratedEntry) )
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{
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Reference<XInterface> xCanvas(
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use( pCurrImpl->trim(), args, xContext ) );
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if(xCanvas.is())
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{
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if( aMatch != aEnd )
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{
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// cache entry exists, replace dysfunctional
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// implementation name
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aMatch->second = pCurrImpl->trim();
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}
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else
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{
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// new service name, add new cache entry
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m_aCachedImplementations.emplace_back(serviceName,
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pCurrImpl->trim());
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}
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return xCanvas;
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}
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}
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++pCurrImpl;
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}
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return Reference<XInterface>();
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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 )
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{
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Reference<XInterface> xCanvas(lookupAndUse(preferredOne, args, xContext));
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if (!xCanvas.is())
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// last resort: try service name directly
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xCanvas = use(preferredOne, args, xContext);
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if (xCanvas.is())
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{
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Reference<lang::XServiceName> xServiceName(xCanvas, uno::UNO_QUERY);
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SAL_INFO("canvas", "using " << (xServiceName.is() ? xServiceName->getServiceName()
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: OUString("(unknown)")));
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}
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return xCanvas;
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}
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// XMultiServiceFactory
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Reference<XInterface> CanvasFactory::createInstance( OUString const & name )
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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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Reference<XInterface> CanvasFactory::createInstanceWithArguments(
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OUString const & name, Sequence<Any> const & args )
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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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} // anon namespace
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extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
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com_sun_star_comp_rendering_CanvasFactory_get_implementation(css::uno::XComponentContext* context,
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css::uno::Sequence<css::uno::Any> const &)
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{
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return cppu::acquire(new CanvasFactory(context));
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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