Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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: */