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Diffstat (limited to 'framework/source/uielement/imagebuttontoolbarcontroller.cxx')
| -rw-r--r-- | framework/source/uielement/imagebuttontoolbarcontroller.cxx | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/framework/source/uielement/imagebuttontoolbarcontroller.cxx b/framework/source/uielement/imagebuttontoolbarcontroller.cxx new file mode 100644 index 000000000..1ab3c0cf8 --- /dev/null +++ b/framework/source/uielement/imagebuttontoolbarcontroller.cxx @@ -0,0 +1,148 @@ +/* -*- 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 <uielement/imagebuttontoolbarcontroller.hxx> + +#include <framework/addonsoptions.hxx> + +#include <com/sun/star/uno/XComponentContext.hpp> + +#include <comphelper/getexpandeduri.hxx> +#include <comphelper/processfactory.hxx> +#include <unotools/ucbstreamhelper.hxx> +#include <vcl/svapp.hxx> +#include <vcl/graph.hxx> +#include <vcl/graphicfilter.hxx> +#include <vcl/toolbox.hxx> +#include <svtools/miscopt.hxx> +#include <memory> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::awt; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::beans; +using namespace ::com::sun::star::lang; +using namespace ::com::sun::star::frame; +using namespace ::com::sun::star::util; + +const ::Size aImageSizeSmall( 16, 16 ); +const ::Size aImageSizeBig( 26, 26 ); + +namespace framework +{ + +static void SubstituteVariables( OUString& aURL ) +{ + aURL = comphelper::getExpandedUri( + comphelper::getProcessComponentContext(), aURL); +} + +ImageButtonToolbarController::ImageButtonToolbarController( + const Reference< XComponentContext >& rxContext, + const Reference< XFrame >& rFrame, + ToolBox* pToolbar, + ToolBoxItemId nID, + const OUString& aCommand ) : + ComplexToolbarController( rxContext, rFrame, pToolbar, nID, aCommand ) +{ + bool bBigImages( SvtMiscOptions().AreCurrentSymbolsLarge() ); + + Image aImage(AddonsOptions().GetImageFromURL(aCommand, bBigImages, true)); + + // Height will be controlled by scaling according to button height + m_xToolbar->SetItemImage( m_nID, aImage ); +} + +ImageButtonToolbarController::~ImageButtonToolbarController() +{ +} + +void SAL_CALL ImageButtonToolbarController::dispose() +{ + SolarMutexGuard aSolarMutexGuard; + ComplexToolbarController::dispose(); +} + +void ImageButtonToolbarController::executeControlCommand( const css::frame::ControlCommand& rControlCommand ) +{ + SolarMutexGuard aSolarMutexGuard; + // i73486 to be downward compatible use old and "wrong" also! + if( rControlCommand.Command != "SetImag" && + rControlCommand.Command != "SetImage" ) + return; + + for ( const NamedValue& rArg : rControlCommand.Arguments ) + { + if ( rArg.Name == "URL" ) + { + OUString aURL; + rArg.Value >>= aURL; + + SubstituteVariables( aURL ); + + Image aImage; + if ( ReadImageFromURL( SvtMiscOptions().AreCurrentSymbolsLarge(), + aURL, + aImage )) + { + m_xToolbar->SetItemImage( m_nID, aImage ); + + // send notification + uno::Sequence< beans::NamedValue > aInfo { { "URL", css::uno::Any(aURL) } }; + addNotifyInfo( "ImageChanged", + getDispatchFromCommand( m_aCommandURL ), + aInfo ); + break; + } + } + } +} + +bool ImageButtonToolbarController::ReadImageFromURL( bool bBigImage, const OUString& aImageURL, Image& aImage ) +{ + std::unique_ptr<SvStream> pStream(utl::UcbStreamHelper::CreateStream( aImageURL, StreamMode::STD_READ )); + if ( !pStream || ( pStream->GetErrorCode() != ERRCODE_NONE )) + return false; + + // Use graphic class to also support more graphic formats (bmp,png,...) + Graphic aGraphic; + + GraphicFilter& rGF = GraphicFilter::GetGraphicFilter(); + rGF.ImportGraphic( aGraphic, u"", *pStream ); + + BitmapEx aBitmapEx = aGraphic.GetBitmapEx(); + + const ::Size aSize = bBigImage ? aImageSizeBig : aImageSizeSmall; // Sizes used for toolbar images + + ::Size aBmpSize = aBitmapEx.GetSizePixel(); + if ( !aBmpSize.IsEmpty() ) + { + ::Size aNoScaleSize( aBmpSize.Width(), aSize.Height() ); + if ( aBmpSize != aNoScaleSize ) + aBitmapEx.Scale( aNoScaleSize, BmpScaleFlag::BestQuality ); + aImage = Image( aBitmapEx ); + return true; + } + + return false; +} + +} // namespace + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |