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| -rw-r--r-- | toolkit/source/awt/animatedimagespeer.cxx | 476 |
1 files changed, 476 insertions, 0 deletions
diff --git a/toolkit/source/awt/animatedimagespeer.cxx b/toolkit/source/awt/animatedimagespeer.cxx new file mode 100644 index 000000000..b542b564b --- /dev/null +++ b/toolkit/source/awt/animatedimagespeer.cxx @@ -0,0 +1,476 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + + +#include <awt/animatedimagespeer.hxx> +#include <toolkit/helper/property.hxx> + +#include <com/sun/star/awt/Size.hpp> +#include <com/sun/star/graphic/GraphicProvider.hpp> +#include <com/sun/star/graphic/XGraphicProvider.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/awt/ImageScaleMode.hpp> + +#include <comphelper/namedvaluecollection.hxx> +#include <comphelper/processfactory.hxx> +#include <o3tl/safeint.hxx> +#include <tools/diagnose_ex.h> +#include <tools/urlobj.hxx> +#include <vcl/toolkit/throbber.hxx> +#include <vcl/svapp.hxx> +#include <vcl/settings.hxx> + +#include <limits> +#include <string_view> + +namespace toolkit +{ + + + using ::com::sun::star::uno::XComponentContext; + using ::com::sun::star::uno::Reference; + using ::com::sun::star::uno::XInterface; + using ::com::sun::star::uno::UNO_QUERY_THROW; + using ::com::sun::star::uno::Exception; + using ::com::sun::star::uno::Any; + using ::com::sun::star::uno::Sequence; + using ::com::sun::star::lang::EventObject; + using ::com::sun::star::container::ContainerEvent; + using ::com::sun::star::awt::XAnimatedImages; + using ::com::sun::star::awt::Size; + using ::com::sun::star::graphic::XGraphicProvider; + using ::com::sun::star::beans::XPropertySet; + using ::com::sun::star::graphic::XGraphic; + + namespace ImageScaleMode = ::com::sun::star::awt::ImageScaleMode; + + //= helper + + namespace + { + + OUString lcl_getHighContrastURL( OUString const& i_imageURL ) + { + INetURLObject aURL( i_imageURL ); + if ( aURL.GetProtocol() != INetProtocol::PrivSoffice ) + { + OSL_VERIFY( aURL.insertName( u"sifr", false, 0 ) ); + return aURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ); + } + // the private: scheme is not considered to be hierarchical by INetURLObject, so manually insert the + // segment + const sal_Int32 separatorPos = i_imageURL.indexOf( '/' ); + ENSURE_OR_RETURN( separatorPos != -1, "lcl_getHighContrastURL: unsupported URL scheme - cannot automatically determine HC version!", i_imageURL ); + + OUString composer = OUString::Concat(i_imageURL.subView(0, separatorPos)) + "/sifr" + + i_imageURL.subView(separatorPos); + return composer; + } + + + bool lcl_ensureImage_throw( Reference< XGraphicProvider > const& i_graphicProvider, const bool i_isHighContrast, const AnimatedImagesPeer::CachedImage& i_cachedImage ) + { + if ( !i_cachedImage.xGraphic.is() ) + { + ::comphelper::NamedValueCollection aMediaProperties; + if ( i_isHighContrast ) + { + // try (to find) the high-contrast version of the graphic first + aMediaProperties.put( "URL", lcl_getHighContrastURL( i_cachedImage.sImageURL ) ); + i_cachedImage.xGraphic = i_graphicProvider->queryGraphic( aMediaProperties.getPropertyValues() ); + } + if ( !i_cachedImage.xGraphic.is() ) + { + aMediaProperties.put( "URL", i_cachedImage.sImageURL ); + i_cachedImage.xGraphic = i_graphicProvider->queryGraphic( aMediaProperties.getPropertyValues() ); + } + } + return i_cachedImage.xGraphic.is(); + } + + + Size lcl_getGraphicSizePixel( Reference< XGraphic > const& i_graphic ) + { + Size aSizePixel; + try + { + if ( i_graphic.is() ) + { + const Reference< XPropertySet > xGraphicProps( i_graphic, UNO_QUERY_THROW ); + OSL_VERIFY( xGraphicProps->getPropertyValue("SizePixel") >>= aSizePixel ); + } + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("toolkit"); + } + return aSizePixel; + } + + + void lcl_init( Sequence< OUString > const& i_imageURLs, ::std::vector< AnimatedImagesPeer::CachedImage >& o_images ) + { + o_images.resize(0); + size_t count = size_t( i_imageURLs.getLength() ); + o_images.reserve( count ); + for ( const auto& rImageURL : i_imageURLs ) + { + o_images.emplace_back( AnimatedImagesPeer::CachedImage{ rImageURL, nullptr } ); + } + } + + + } + + + //= AnimatedImagesPeer + + + AnimatedImagesPeer::AnimatedImagesPeer() + { + } + + + AnimatedImagesPeer::~AnimatedImagesPeer() + { + } + + + void SAL_CALL AnimatedImagesPeer::startAnimation() + { + SolarMutexGuard aGuard; + VclPtr<Throbber> pThrobber = GetAsDynamic<Throbber>(); + if (pThrobber) + pThrobber->start(); + } + + void SAL_CALL AnimatedImagesPeer::stopAnimation() + { + SolarMutexGuard aGuard; + VclPtr<Throbber> pThrobber = GetAsDynamic<Throbber>(); + if (pThrobber) + pThrobber->stop(); + } + + sal_Bool SAL_CALL AnimatedImagesPeer::isAnimationRunning() + { + SolarMutexGuard aGuard; + VclPtr<Throbber> pThrobber = GetAsDynamic<Throbber>(); + if (pThrobber) + return pThrobber->isRunning(); + return false; + } + + void SAL_CALL AnimatedImagesPeer::setProperty( const OUString& i_propertyName, const Any& i_value ) + { + SolarMutexGuard aGuard; + + VclPtr<Throbber> pThrobber = GetAsDynamic<Throbber>(); + if ( pThrobber ) + { + VCLXWindow::setProperty( i_propertyName, i_value ); + return; + } + + const sal_uInt16 nPropertyId = GetPropertyId( i_propertyName ); + switch ( nPropertyId ) + { + case BASEPROPERTY_STEP_TIME: + { + sal_Int32 nStepTime( 0 ); + if ( i_value >>= nStepTime ) + pThrobber->setStepTime( nStepTime ); + break; + } + case BASEPROPERTY_AUTO_REPEAT: + { + bool bRepeat( true ); + if ( i_value >>= bRepeat ) + pThrobber->setRepeat( bRepeat ); + break; + } + + case BASEPROPERTY_IMAGE_SCALE_MODE: + { + sal_Int16 nScaleMode( ImageScaleMode::ANISOTROPIC ); + VclPtr<ImageControl> pImageControl = GetAsDynamic< ImageControl >(); + if ( pImageControl && ( i_value >>= nScaleMode ) ) + pImageControl->SetScaleMode( nScaleMode ); + } + break; + + default: + AnimatedImagesPeer_Base::setProperty( i_propertyName, i_value ); + break; + } + } + + + Any SAL_CALL AnimatedImagesPeer::getProperty( const OUString& i_propertyName ) + { + SolarMutexGuard aGuard; + + Any aReturn; + + VclPtr<Throbber> pThrobber = GetAsDynamic<Throbber>(); + if ( !pThrobber ) + return VCLXWindow::getProperty( i_propertyName ); + + const sal_uInt16 nPropertyId = GetPropertyId( i_propertyName ); + switch ( nPropertyId ) + { + case BASEPROPERTY_STEP_TIME: + aReturn <<= pThrobber->getStepTime(); + break; + + case BASEPROPERTY_AUTO_REPEAT: + aReturn <<= pThrobber->getRepeat(); + break; + + case BASEPROPERTY_IMAGE_SCALE_MODE: + { + VclPtr<ImageControl> pImageControl = GetAsDynamic<ImageControl>(); + aReturn <<= ( pImageControl ? pImageControl->GetScaleMode() : ImageScaleMode::ANISOTROPIC ); + } + break; + + default: + aReturn = AnimatedImagesPeer_Base::getProperty( i_propertyName ); + break; + } + + return aReturn; + } + + + void AnimatedImagesPeer::ProcessWindowEvent( const VclWindowEvent& i_windowEvent ) + { + if ( i_windowEvent.GetId() == VclEventId::WindowResize ) + { + updateImageList_nothrow(); + } + + AnimatedImagesPeer_Base::ProcessWindowEvent( i_windowEvent ); + } + + + void AnimatedImagesPeer::impl_updateImages_nolck( const Reference< XInterface >& i_animatedImages ) + { + SolarMutexGuard aGuard; + + updateImageList_nothrow( Reference< XAnimatedImages >( i_animatedImages, UNO_QUERY_THROW ) ); + } + + + void SAL_CALL AnimatedImagesPeer::elementInserted( const ContainerEvent& i_event ) + { + SolarMutexGuard aGuard; + Reference< XAnimatedImages > xAnimatedImages( i_event.Source, UNO_QUERY_THROW ); + + sal_Int32 nPosition(0); + OSL_VERIFY( i_event.Accessor >>= nPosition ); + size_t position = size_t( nPosition ); + if ( position > maCachedImageSets.size() ) + { + OSL_ENSURE( false, "AnimatedImagesPeer::elementInserted: illegal accessor/index!" ); + updateImageList_nothrow( xAnimatedImages ); + } + + Sequence< OUString > aImageURLs; + OSL_VERIFY( i_event.Element >>= aImageURLs ); + ::std::vector< CachedImage > aImages; + lcl_init( aImageURLs, aImages ); + maCachedImageSets.insert( maCachedImageSets.begin() + position, aImages ); + updateImageList_nothrow(); + } + + + void SAL_CALL AnimatedImagesPeer::elementRemoved( const ContainerEvent& i_event ) + { + SolarMutexGuard aGuard; + Reference< XAnimatedImages > xAnimatedImages( i_event.Source, UNO_QUERY_THROW ); + + sal_Int32 nPosition(0); + OSL_VERIFY( i_event.Accessor >>= nPosition ); + size_t position = size_t( nPosition ); + if ( position >= maCachedImageSets.size() ) + { + OSL_ENSURE( false, "AnimatedImagesPeer::elementRemoved: illegal accessor/index!" ); + updateImageList_nothrow( xAnimatedImages ); + } + + maCachedImageSets.erase( maCachedImageSets.begin() + position ); + updateImageList_nothrow(); + } + + + void SAL_CALL AnimatedImagesPeer::elementReplaced( const ContainerEvent& i_event ) + { + SolarMutexGuard aGuard; + Reference< XAnimatedImages > xAnimatedImages( i_event.Source, UNO_QUERY_THROW ); + + sal_Int32 nPosition(0); + OSL_VERIFY( i_event.Accessor >>= nPosition ); + size_t position = size_t( nPosition ); + if ( position >= maCachedImageSets.size() ) + { + OSL_ENSURE( false, "AnimatedImagesPeer::elementReplaced: illegal accessor/index!" ); + updateImageList_nothrow( xAnimatedImages ); + } + + Sequence< OUString > aImageURLs; + OSL_VERIFY( i_event.Element >>= aImageURLs ); + ::std::vector< CachedImage > aImages; + lcl_init( aImageURLs, aImages ); + maCachedImageSets[ position ] = aImages; + updateImageList_nothrow(); + } + + + void SAL_CALL AnimatedImagesPeer::disposing( const EventObject& i_event ) + { + VCLXWindow::disposing( i_event ); + } + + + void SAL_CALL AnimatedImagesPeer::modified( const EventObject& i_event ) + { + impl_updateImages_nolck( i_event.Source ); + } + + + void SAL_CALL AnimatedImagesPeer::dispose( ) + { + AnimatedImagesPeer_Base::dispose(); + SolarMutexGuard aGuard; + maCachedImageSets.resize(0); + } + + void AnimatedImagesPeer::updateImageList_nothrow() + { + VclPtr<Throbber> pThrobber = GetAsDynamic<Throbber>(); + if ( !pThrobber ) + return; + + try + { + // collect the image sizes of the different image sets + const Reference< XComponentContext > xContext( ::comphelper::getProcessComponentContext() ); + const Reference< XGraphicProvider > xGraphicProvider( css::graphic::GraphicProvider::create(xContext) ); + + const bool isHighContrast = pThrobber->GetSettings().GetStyleSettings().GetHighContrastMode(); + + sal_Int32 nPreferredSet = -1; + const size_t nImageSetCount = maCachedImageSets.size(); + if ( nImageSetCount < 2 ) + { + nPreferredSet = sal_Int32( nImageSetCount ) - 1; + } + else + { + ::std::vector< Size > aImageSizes( nImageSetCount ); + for ( size_t nImageSet = 0; nImageSet < nImageSetCount; ++nImageSet ) + { + ::std::vector< CachedImage > const& rImageSet( maCachedImageSets[ nImageSet ] ); + if ( ( rImageSet.empty() ) + || ( !lcl_ensureImage_throw( xGraphicProvider, isHighContrast, rImageSet[0] ) ) + ) + { + aImageSizes[ nImageSet ] = Size( SAL_MAX_INT32, SAL_MAX_INT32 ); + } + else + { + aImageSizes[ nImageSet ] = lcl_getGraphicSizePixel( rImageSet[0].xGraphic ); + } + } + + // find the set with the smallest difference between window size and image size + const ::Size aWindowSizePixel = pThrobber->GetSizePixel(); + tools::Long nMinimalDistance = ::std::numeric_limits< tools::Long >::max(); + for ( ::std::vector< Size >::const_iterator check = aImageSizes.begin(); + check != aImageSizes.end(); + ++check + ) + { + if ( ( check->Width > aWindowSizePixel.Width() ) + || ( check->Height > aWindowSizePixel.Height() ) + ) + // do not use an image set which doesn't fit into the window + continue; + + const sal_Int64 distance = + ( aWindowSizePixel.Width() - check->Width ) * ( aWindowSizePixel.Width() - check->Width ) + + ( aWindowSizePixel.Height() - check->Height ) * ( aWindowSizePixel.Height() - check->Height ); + if ( distance < nMinimalDistance ) + { + nMinimalDistance = distance; + nPreferredSet = check - aImageSizes.begin(); + } + } + } + + // found a set? + std::vector< Image > aImages; + if ( ( nPreferredSet >= 0 ) && ( o3tl::make_unsigned( nPreferredSet ) < nImageSetCount ) ) + { + // => set the images + ::std::vector< CachedImage > const& rImageSet( maCachedImageSets[ nPreferredSet ] ); + aImages.resize( rImageSet.size() ); + sal_Int32 imageIndex = 0; + for ( const auto& rCachedImage : rImageSet ) + { + lcl_ensureImage_throw( xGraphicProvider, isHighContrast, rCachedImage ); + aImages[ imageIndex++ ] = Image(rCachedImage.xGraphic); + } + } + pThrobber->setImageList( std::move(aImages) ); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("toolkit"); + } + } + + + void AnimatedImagesPeer::updateImageList_nothrow( const Reference< XAnimatedImages >& i_images ) + { + try + { + const sal_Int32 nImageSetCount = i_images->getImageSetCount(); + maCachedImageSets.resize(0); + for ( sal_Int32 set = 0; set < nImageSetCount; ++set ) + { + const Sequence< OUString > aImageURLs( i_images->getImageSet( set ) ); + ::std::vector< CachedImage > aImages; + lcl_init( aImageURLs, aImages ); + maCachedImageSets.push_back( aImages ); + } + + updateImageList_nothrow(); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("toolkit"); + } + } + +} // namespace toolkit + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |