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Diffstat (limited to 'vcl/source/control/throbber.cxx')
-rw-r--r-- | vcl/source/control/throbber.cxx | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/vcl/source/control/throbber.cxx b/vcl/source/control/throbber.cxx new file mode 100644 index 000000000000..a55fdb3eb379 --- /dev/null +++ b/vcl/source/control/throbber.cxx @@ -0,0 +1,325 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#include "precompiled_vcl.hxx" + +#include "vcl/throbber.hxx" +#include "vcl/svapp.hxx" + +#include <com/sun/star/graphic/XGraphicProvider.hpp> +#include <com/sun/star/awt/ImageScaleMode.hpp> + +#include <comphelper/componentcontext.hxx> +#include <comphelper/namedvaluecollection.hxx> +#include <comphelper/processfactory.hxx> +#include <rtl/ustrbuf.hxx> +#include <tools/diagnose_ex.h> +#include <tools/urlobj.hxx> + +#include <limits> + +using ::com::sun::star::uno::Sequence; +using ::com::sun::star::uno::Reference; +using ::com::sun::star::graphic::XGraphic; +using ::com::sun::star::graphic::XGraphicProvider; +using ::com::sun::star::uno::UNO_QUERY_THROW; +using ::com::sun::star::uno::UNO_QUERY; +using ::com::sun::star::uno::Exception; +namespace ImageScaleMode = ::com::sun::star::awt::ImageScaleMode; + +//---------------------------------------------------------------------------------------------------------------------- +Throbber::Throbber( Window* i_parentWindow, WinBits i_style, const ImageSet i_imageSet ) + :ImageControl( i_parentWindow, i_style ) + ,mbRepeat( sal_True ) + ,mnStepTime( 100 ) + ,mnCurStep( 0 ) + ,mnStepCount( 0 ) + ,meImageSet( i_imageSet ) +{ + maWaitTimer.SetTimeout( mnStepTime ); + maWaitTimer.SetTimeoutHdl( LINK( this, Throbber, TimeOutHdl ) ); + + SetScaleMode( ImageScaleMode::None ); + initImages(); +} + +//-------------------------------------------------------------------- +Throbber::Throbber( Window* i_parentWindow, const ResId& i_resId, const ImageSet i_imageSet ) + :ImageControl( i_parentWindow, i_resId ) + ,mbRepeat( sal_True ) + ,mnStepTime( 100 ) + ,mnCurStep( 0 ) + ,mnStepCount( 0 ) + ,meImageSet( i_imageSet ) +{ + maWaitTimer.SetTimeout( mnStepTime ); + maWaitTimer.SetTimeoutHdl( LINK( this, Throbber, TimeOutHdl ) ); + + SetScaleMode( ImageScaleMode::None ); + initImages(); +} + +//---------------------------------------------------------------------------------------------------------------------- +Throbber::~Throbber() +{ + maWaitTimer.Stop(); +} + +//---------------------------------------------------------------------------------------------------------------------- +namespace +{ + //.................................................................................................................. + ::rtl::OUString lcl_getHighContrastURL( ::rtl::OUString const& i_imageURL ) + { + INetURLObject aURL( i_imageURL ); + if ( aURL.GetProtocol() != INET_PROT_PRIV_SOFFICE ) + { + OSL_VERIFY( aURL.insertName( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "hicontrast" ) ), false, 0 ) ); + return aURL.GetMainURL( INetURLObject::NO_DECODE ); + } + // 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: unsipported URL scheme - cannot automatically determine HC version!", i_imageURL ); + + ::rtl::OUStringBuffer composer; + composer.append( i_imageURL.copy( 0, separatorPos ) ); + composer.appendAscii( "/hicontrast" ); + composer.append( i_imageURL.copy( separatorPos ) ); + return composer.makeStringAndClear(); + } + + //.................................................................................................................. + ::std::vector< Image > lcl_loadImageSet( const Throbber::ImageSet i_imageSet, const bool i_isHiContrast ) + { + ::std::vector< Image > aImages; + ENSURE_OR_RETURN( i_imageSet != Throbber::IMAGES_NONE, "lcl_loadImageSet: illegal image set", aImages ); + + const ::comphelper::ComponentContext aContext( ::comphelper::getProcessServiceFactory() ); + const Reference< XGraphicProvider > xGraphicProvider( aContext.createComponent( "com.sun.star.graphic.GraphicProvider" ), UNO_QUERY_THROW ); + + ::std::vector< ::rtl::OUString > aImageURLs( Throbber::getDefaultImageURLs( i_imageSet ) ); + aImages.reserve( aImageURLs.size() ); + + ::comphelper::NamedValueCollection aMediaProperties; + for ( ::std::vector< ::rtl::OUString >::const_iterator imageURL = aImageURLs.begin(); + imageURL != aImageURLs.end(); + ++imageURL + ) + { + Reference< XGraphic > xGraphic; + if ( i_isHiContrast ) + { + aMediaProperties.put( "URL", lcl_getHighContrastURL( *imageURL ) ); + xGraphic.set( xGraphicProvider->queryGraphic( aMediaProperties.getPropertyValues() ), UNO_QUERY ); + } + if ( !xGraphic.is() ) + { + aMediaProperties.put( "URL", *imageURL ); + xGraphic.set( xGraphicProvider->queryGraphic( aMediaProperties.getPropertyValues() ), UNO_QUERY ); + } + aImages.push_back( Image( xGraphic ) ); + } + + return aImages; + } +} + +//---------------------------------------------------------------------------------------------------------------------- +void Throbber::Resize() +{ + ImageControl::Resize(); + + if ( meImageSet == IMAGES_AUTO ) + initImages(); +} + +//---------------------------------------------------------------------------------------------------------------------- +void Throbber::initImages() +{ + if ( meImageSet == IMAGES_NONE ) + return; + + try + { + ::std::vector< ::std::vector< Image > > aImageSets; + const bool isHiContrast = GetSettings().GetStyleSettings().GetHighContrastMode(); + if ( meImageSet == IMAGES_AUTO ) + { + aImageSets.push_back( lcl_loadImageSet( IMAGES_16_PX, isHiContrast ) ); + aImageSets.push_back( lcl_loadImageSet( IMAGES_32_PX, isHiContrast ) ); + aImageSets.push_back( lcl_loadImageSet( IMAGES_64_PX, isHiContrast ) ); + } + else + { + aImageSets.push_back( lcl_loadImageSet( meImageSet, isHiContrast ) ); + } + + // find the best matching image set (size-wise) + const ::Size aWindowSizePixel = GetSizePixel(); + size_t nPreferredSet = 0; + if ( aImageSets.size() > 1 ) + { + long nMinimalDistance = ::std::numeric_limits< long >::max(); + for ( ::std::vector< ::std::vector< Image > >::const_iterator check = aImageSets.begin(); + check != aImageSets.end(); + ++check + ) + { + ENSURE_OR_CONTINUE( !check->empty(), "Throbber::initImages: illegal image!" ); + const Size aImageSize = (*check)[0].GetSizePixel(); + + if ( ( aImageSize.Width() > aWindowSizePixel.Width() ) + || ( aImageSize.Height() > aWindowSizePixel.Height() ) + ) + // do not use an image set which doesn't fit into the window + continue; + + const sal_Int64 distance = + ( aWindowSizePixel.Width() - aImageSize.Width() ) * ( aWindowSizePixel.Width() - aImageSize.Width() ) + + ( aWindowSizePixel.Height() - aImageSize.Height() ) * ( aWindowSizePixel.Height() - aImageSize.Height() ); + if ( distance < nMinimalDistance ) + { + nMinimalDistance = distance; + nPreferredSet = check - aImageSets.begin(); + } + } + } + + if ( nPreferredSet < aImageSets.size() ) + setImageList( aImageSets[nPreferredSet] ); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION(); + } +} + +//---------------------------------------------------------------------------------------------------------------------- +void Throbber::start() +{ + maWaitTimer.Start(); +} + +//---------------------------------------------------------------------------------------------------------------------- +void Throbber::stop() +{ + maWaitTimer.Stop(); +} + +//---------------------------------------------------------------------------------------------------------------------- +bool Throbber::isRunning() const +{ + return maWaitTimer.IsActive(); +} + +//---------------------------------------------------------------------------------------------------------------------- +void Throbber::setImageList( ::std::vector< Image > const& i_images ) +{ + maImageList = i_images; + + mnStepCount = maImageList.size(); + const Image aInitialImage( mnStepCount ? maImageList[ 0 ] : Image() ); + SetImage( aInitialImage ); +} + +//---------------------------------------------------------------------------------------------------------------------- +void Throbber::setImageList( const Sequence< Reference< XGraphic > >& rImageList ) +{ + ::std::vector< Image > aImages( rImageList.getLength() ); + ::std::copy( + rImageList.getConstArray(), + rImageList.getConstArray() + rImageList.getLength(), + aImages.begin() + ); + setImageList( aImages ); +} + +//---------------------------------------------------------------------------------------------------------------------- +::std::vector< ::rtl::OUString > Throbber::getDefaultImageURLs( const ImageSet i_imageSet ) +{ + ::std::vector< ::rtl::OUString > aImageURLs; + + sal_Char const* const pResolutions[] = { "16", "32", "64" }; + size_t const nImageCounts[] = { 6, 12, 12 }; + + size_t index = 0; + switch ( i_imageSet ) + { + case IMAGES_16_PX: index = 0; break; + case IMAGES_32_PX: index = 1; break; + case IMAGES_64_PX: index = 2; break; + case IMAGES_NONE: + case IMAGES_AUTO: + OSL_ENSURE( false, "Throbber::getDefaultImageURLs: illegal image set!" ); + return aImageURLs; + } + + aImageURLs.reserve( nImageCounts[index] ); + for ( size_t i=0; i<nImageCounts[index]; ++i ) + { + ::rtl::OUStringBuffer aURL; + aURL.appendAscii( "private:graphicrepository/shared/spinner-" ); + aURL.appendAscii( pResolutions[index] ); + aURL.appendAscii( "-" ); + if ( i < 9 ) + aURL.appendAscii( "0" ); + aURL.append ( sal_Int32( i + 1 ) ); + aURL.appendAscii( ".png" ); + + aImageURLs.push_back( aURL.makeStringAndClear() ); + } + + return aImageURLs; +} + +//---------------------------------------------------------------------------------------------------------------------- +IMPL_LINK( Throbber, TimeOutHdl, void*, EMPTYARG ) +{ + SolarMutexGuard aGuard; + if ( maImageList.empty() ) + return 0; + + if ( mnCurStep < mnStepCount - 1 ) + mnCurStep += 1; + else + { + if ( mbRepeat ) + { + // start over + mnCurStep = 0; + } + else + { + stop(); + } + } + + SetImage( maImageList[ mnCurStep ] ); + + return 0; +} |