ed0b12f4ea
we can just take a "const &". (found by running clang-tidy with the performance-unnecessary-copy-initialization warning) Change-Id: I20fd208c65303da78170b1ac06c638fdf3aa094b Reviewed-on: https://gerrit.libreoffice.org/c/core/+/176267 Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk> Tested-by: Jenkins
476 lines
17 KiB
C++
476 lines
17 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 <awt/animatedimagespeer.hxx>
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#include <helper/property.hxx>
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#include <com/sun/star/awt/Size.hpp>
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#include <com/sun/star/graphic/GraphicProvider.hpp>
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#include <com/sun/star/graphic/XGraphicProvider.hpp>
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#include <com/sun/star/beans/XPropertySet.hpp>
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#include <com/sun/star/awt/ImageScaleMode.hpp>
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#include <comphelper/namedvaluecollection.hxx>
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#include <comphelper/processfactory.hxx>
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#include <o3tl/safeint.hxx>
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#include <comphelper/diagnose_ex.hxx>
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#include <tools/urlobj.hxx>
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#include <vcl/toolkit/throbber.hxx>
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#include <vcl/svapp.hxx>
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#include <vcl/settings.hxx>
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#include <limits>
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#include <string_view>
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namespace toolkit
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{
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using ::com::sun::star::uno::XComponentContext;
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using ::com::sun::star::uno::Reference;
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using ::com::sun::star::uno::XInterface;
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using ::com::sun::star::uno::UNO_QUERY_THROW;
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using ::com::sun::star::uno::Exception;
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using ::com::sun::star::uno::Any;
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using ::com::sun::star::uno::Sequence;
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using ::com::sun::star::lang::EventObject;
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using ::com::sun::star::container::ContainerEvent;
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using ::com::sun::star::awt::XAnimatedImages;
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using ::com::sun::star::awt::Size;
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using ::com::sun::star::graphic::XGraphicProvider;
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using ::com::sun::star::beans::XPropertySet;
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using ::com::sun::star::graphic::XGraphic;
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namespace ImageScaleMode = ::com::sun::star::awt::ImageScaleMode;
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//= helper
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namespace
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{
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OUString lcl_getHighContrastURL( OUString const& i_imageURL )
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{
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INetURLObject aURL( i_imageURL );
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if ( aURL.GetProtocol() != INetProtocol::PrivSoffice )
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{
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OSL_VERIFY( aURL.insertName( u"sifr", false, 0 ) );
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return aURL.GetMainURL( INetURLObject::DecodeMechanism::NONE );
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}
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// the private: scheme is not considered to be hierarchical by INetURLObject, so manually insert the
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// segment
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const sal_Int32 separatorPos = i_imageURL.indexOf( '/' );
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ENSURE_OR_RETURN( separatorPos != -1, "lcl_getHighContrastURL: unsupported URL scheme - cannot automatically determine HC version!", i_imageURL );
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OUString composer = OUString::Concat(i_imageURL.subView(0, separatorPos)) + "/sifr" +
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i_imageURL.subView(separatorPos);
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return composer;
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}
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bool lcl_ensureImage_throw( Reference< XGraphicProvider > const& i_graphicProvider, const bool i_isHighContrast, const AnimatedImagesPeer::CachedImage& i_cachedImage )
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{
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if ( !i_cachedImage.xGraphic.is() )
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{
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::comphelper::NamedValueCollection aMediaProperties;
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if ( i_isHighContrast )
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{
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// try (to find) the high-contrast version of the graphic first
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aMediaProperties.put( u"URL"_ustr, lcl_getHighContrastURL( i_cachedImage.sImageURL ) );
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i_cachedImage.xGraphic = i_graphicProvider->queryGraphic( aMediaProperties.getPropertyValues() );
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}
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if ( !i_cachedImage.xGraphic.is() )
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{
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aMediaProperties.put( u"URL"_ustr, i_cachedImage.sImageURL );
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i_cachedImage.xGraphic = i_graphicProvider->queryGraphic( aMediaProperties.getPropertyValues() );
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}
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}
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return i_cachedImage.xGraphic.is();
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}
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Size lcl_getGraphicSizePixel( Reference< XGraphic > const& i_graphic )
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{
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Size aSizePixel;
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try
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{
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if ( i_graphic.is() )
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{
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const Reference< XPropertySet > xGraphicProps( i_graphic, UNO_QUERY_THROW );
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OSL_VERIFY( xGraphicProps->getPropertyValue(u"SizePixel"_ustr) >>= aSizePixel );
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}
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}
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catch( const Exception& )
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{
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DBG_UNHANDLED_EXCEPTION("toolkit");
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}
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return aSizePixel;
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}
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void lcl_init( Sequence< OUString > const& i_imageURLs, ::std::vector< AnimatedImagesPeer::CachedImage >& o_images )
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{
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o_images.resize(0);
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size_t count = size_t( i_imageURLs.getLength() );
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o_images.reserve( count );
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for ( const auto& rImageURL : i_imageURLs )
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{
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o_images.emplace_back( AnimatedImagesPeer::CachedImage{ rImageURL, nullptr } );
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}
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}
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}
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//= AnimatedImagesPeer
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AnimatedImagesPeer::AnimatedImagesPeer()
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{
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}
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AnimatedImagesPeer::~AnimatedImagesPeer()
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{
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}
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void SAL_CALL AnimatedImagesPeer::startAnimation()
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{
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SolarMutexGuard aGuard;
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VclPtr<Throbber> pThrobber = GetAsDynamic<Throbber>();
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if (pThrobber)
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pThrobber->start();
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}
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void SAL_CALL AnimatedImagesPeer::stopAnimation()
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{
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SolarMutexGuard aGuard;
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VclPtr<Throbber> pThrobber = GetAsDynamic<Throbber>();
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if (pThrobber)
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pThrobber->stop();
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}
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sal_Bool SAL_CALL AnimatedImagesPeer::isAnimationRunning()
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{
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SolarMutexGuard aGuard;
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VclPtr<Throbber> pThrobber = GetAsDynamic<Throbber>();
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if (pThrobber)
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return pThrobber->isRunning();
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return false;
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}
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void SAL_CALL AnimatedImagesPeer::setProperty( const OUString& i_propertyName, const Any& i_value )
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{
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SolarMutexGuard aGuard;
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VclPtr<Throbber> pThrobber = GetAsDynamic<Throbber>();
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if ( !pThrobber )
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{
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VCLXWindow::setProperty( i_propertyName, i_value );
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return;
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}
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const sal_uInt16 nPropertyId = GetPropertyId( i_propertyName );
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switch ( nPropertyId )
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{
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case BASEPROPERTY_STEP_TIME:
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{
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sal_Int32 nStepTime( 0 );
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if ( i_value >>= nStepTime )
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pThrobber->setStepTime( nStepTime );
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break;
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}
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case BASEPROPERTY_AUTO_REPEAT:
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{
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bool bRepeat( true );
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if ( i_value >>= bRepeat )
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pThrobber->setRepeat( bRepeat );
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break;
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}
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case BASEPROPERTY_IMAGE_SCALE_MODE:
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{
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sal_Int16 nScaleMode( ImageScaleMode::ANISOTROPIC );
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VclPtr<ImageControl> pImageControl = GetAsDynamic< ImageControl >();
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if ( pImageControl && ( i_value >>= nScaleMode ) )
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pImageControl->SetScaleMode( nScaleMode );
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}
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break;
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default:
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AnimatedImagesPeer_Base::setProperty( i_propertyName, i_value );
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break;
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}
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}
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Any SAL_CALL AnimatedImagesPeer::getProperty( const OUString& i_propertyName )
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{
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SolarMutexGuard aGuard;
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Any aReturn;
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VclPtr<Throbber> pThrobber = GetAsDynamic<Throbber>();
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if ( !pThrobber )
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return VCLXWindow::getProperty( i_propertyName );
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const sal_uInt16 nPropertyId = GetPropertyId( i_propertyName );
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switch ( nPropertyId )
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{
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case BASEPROPERTY_STEP_TIME:
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aReturn <<= pThrobber->getStepTime();
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break;
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case BASEPROPERTY_AUTO_REPEAT:
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aReturn <<= pThrobber->getRepeat();
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break;
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case BASEPROPERTY_IMAGE_SCALE_MODE:
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{
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VclPtr<ImageControl> pImageControl = GetAsDynamic<ImageControl>();
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aReturn <<= ( pImageControl ? pImageControl->GetScaleMode() : ImageScaleMode::ANISOTROPIC );
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}
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break;
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default:
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aReturn = AnimatedImagesPeer_Base::getProperty( i_propertyName );
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break;
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}
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return aReturn;
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}
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void AnimatedImagesPeer::ProcessWindowEvent( const VclWindowEvent& i_windowEvent )
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{
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if ( i_windowEvent.GetId() == VclEventId::WindowResize )
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{
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updateImageList_nothrow();
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}
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AnimatedImagesPeer_Base::ProcessWindowEvent( i_windowEvent );
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}
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void AnimatedImagesPeer::impl_updateImages_nolck( const Reference< XInterface >& i_animatedImages )
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{
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SolarMutexGuard aGuard;
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updateImageList_nothrow( Reference< XAnimatedImages >( i_animatedImages, UNO_QUERY_THROW ) );
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}
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void SAL_CALL AnimatedImagesPeer::elementInserted( const ContainerEvent& i_event )
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{
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SolarMutexGuard aGuard;
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Reference< XAnimatedImages > xAnimatedImages( i_event.Source, UNO_QUERY_THROW );
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sal_Int32 nPosition(0);
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OSL_VERIFY( i_event.Accessor >>= nPosition );
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size_t position = size_t( nPosition );
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if ( position > maCachedImageSets.size() )
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{
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OSL_ENSURE( false, "AnimatedImagesPeer::elementInserted: illegal accessor/index!" );
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updateImageList_nothrow( xAnimatedImages );
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}
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Sequence< OUString > aImageURLs;
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OSL_VERIFY( i_event.Element >>= aImageURLs );
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::std::vector< CachedImage > aImages;
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lcl_init( aImageURLs, aImages );
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maCachedImageSets.insert( maCachedImageSets.begin() + position, aImages );
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updateImageList_nothrow();
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}
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void SAL_CALL AnimatedImagesPeer::elementRemoved( const ContainerEvent& i_event )
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{
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SolarMutexGuard aGuard;
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Reference< XAnimatedImages > xAnimatedImages( i_event.Source, UNO_QUERY_THROW );
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sal_Int32 nPosition(0);
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OSL_VERIFY( i_event.Accessor >>= nPosition );
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size_t position = size_t( nPosition );
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if ( position >= maCachedImageSets.size() )
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{
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OSL_ENSURE( false, "AnimatedImagesPeer::elementRemoved: illegal accessor/index!" );
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updateImageList_nothrow( xAnimatedImages );
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}
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maCachedImageSets.erase( maCachedImageSets.begin() + position );
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updateImageList_nothrow();
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}
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void SAL_CALL AnimatedImagesPeer::elementReplaced( const ContainerEvent& i_event )
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{
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SolarMutexGuard aGuard;
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Reference< XAnimatedImages > xAnimatedImages( i_event.Source, UNO_QUERY_THROW );
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sal_Int32 nPosition(0);
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OSL_VERIFY( i_event.Accessor >>= nPosition );
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size_t position = size_t( nPosition );
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if ( position >= maCachedImageSets.size() )
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{
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OSL_ENSURE( false, "AnimatedImagesPeer::elementReplaced: illegal accessor/index!" );
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updateImageList_nothrow( xAnimatedImages );
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}
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Sequence< OUString > aImageURLs;
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OSL_VERIFY( i_event.Element >>= aImageURLs );
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::std::vector< CachedImage > aImages;
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lcl_init( aImageURLs, aImages );
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maCachedImageSets[ position ] = std::move(aImages);
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updateImageList_nothrow();
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}
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void SAL_CALL AnimatedImagesPeer::disposing( const EventObject& i_event )
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{
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VCLXWindow::disposing( i_event );
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}
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void SAL_CALL AnimatedImagesPeer::modified( const EventObject& i_event )
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{
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impl_updateImages_nolck( i_event.Source );
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}
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void SAL_CALL AnimatedImagesPeer::dispose( )
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{
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AnimatedImagesPeer_Base::dispose();
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SolarMutexGuard aGuard;
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maCachedImageSets.resize(0);
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}
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void AnimatedImagesPeer::updateImageList_nothrow()
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{
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VclPtr<Throbber> pThrobber = GetAsDynamic<Throbber>();
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if ( !pThrobber )
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return;
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try
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{
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// collect the image sizes of the different image sets
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const Reference< XComponentContext >& xContext( ::comphelper::getProcessComponentContext() );
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const Reference< XGraphicProvider > xGraphicProvider( css::graphic::GraphicProvider::create(xContext) );
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const bool isHighContrast = pThrobber->GetSettings().GetStyleSettings().GetHighContrastMode();
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sal_Int32 nPreferredSet = -1;
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const size_t nImageSetCount = maCachedImageSets.size();
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if ( nImageSetCount < 2 )
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{
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nPreferredSet = sal_Int32( nImageSetCount ) - 1;
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}
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else
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{
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::std::vector< Size > aImageSizes( nImageSetCount );
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for ( size_t nImageSet = 0; nImageSet < nImageSetCount; ++nImageSet )
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{
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::std::vector< CachedImage > const& rImageSet( maCachedImageSets[ nImageSet ] );
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if ( ( rImageSet.empty() )
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|| ( !lcl_ensureImage_throw( xGraphicProvider, isHighContrast, rImageSet[0] ) )
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)
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{
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aImageSizes[ nImageSet ] = Size( SAL_MAX_INT32, SAL_MAX_INT32 );
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}
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else
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{
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aImageSizes[ nImageSet ] = lcl_getGraphicSizePixel( rImageSet[0].xGraphic );
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}
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}
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// find the set with the smallest difference between window size and image size
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const ::Size aWindowSizePixel = pThrobber->GetSizePixel();
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tools::Long nMinimalDistance = ::std::numeric_limits< tools::Long >::max();
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for ( ::std::vector< Size >::const_iterator check = aImageSizes.begin();
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check != aImageSizes.end();
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++check
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)
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{
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if ( ( check->Width > aWindowSizePixel.Width() )
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|| ( check->Height > aWindowSizePixel.Height() )
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)
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// do not use an image set which doesn't fit into the window
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continue;
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const sal_Int64 distance =
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( aWindowSizePixel.Width() - check->Width ) * ( aWindowSizePixel.Width() - check->Width )
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+ ( aWindowSizePixel.Height() - check->Height ) * ( aWindowSizePixel.Height() - check->Height );
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if ( distance < nMinimalDistance )
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{
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nMinimalDistance = distance;
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nPreferredSet = check - aImageSizes.begin();
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}
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}
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}
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// found a set?
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std::vector< Image > aImages;
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if ( ( nPreferredSet >= 0 ) && ( o3tl::make_unsigned( nPreferredSet ) < nImageSetCount ) )
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{
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// => set the images
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::std::vector< CachedImage > const& rImageSet( maCachedImageSets[ nPreferredSet ] );
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aImages.resize( rImageSet.size() );
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sal_Int32 imageIndex = 0;
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for ( const auto& rCachedImage : rImageSet )
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{
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lcl_ensureImage_throw( xGraphicProvider, isHighContrast, rCachedImage );
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aImages[ imageIndex++ ] = Image(rCachedImage.xGraphic);
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}
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}
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pThrobber->setImageList( std::move(aImages) );
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}
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catch( const Exception& )
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{
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DBG_UNHANDLED_EXCEPTION("toolkit");
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}
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}
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void AnimatedImagesPeer::updateImageList_nothrow( const Reference< XAnimatedImages >& i_images )
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{
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try
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{
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const sal_Int32 nImageSetCount = i_images->getImageSetCount();
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maCachedImageSets.resize(0);
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for ( sal_Int32 set = 0; set < nImageSetCount; ++set )
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{
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const Sequence< OUString > aImageURLs( i_images->getImageSet( set ) );
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::std::vector< CachedImage > aImages;
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lcl_init( aImageURLs, aImages );
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maCachedImageSets.push_back( aImages );
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}
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updateImageList_nothrow();
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}
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catch( const Exception& )
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{
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DBG_UNHANDLED_EXCEPTION("toolkit");
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}
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}
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} // namespace toolkit
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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