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+/* -*- 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,
+ sal_uInt16 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::makeAny(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 ))
+ {
+ // Use graphic class to also support more graphic formats (bmp,png,...)
+ Graphic aGraphic;
+
+ GraphicFilter& rGF = GraphicFilter::GetGraphicFilter();
+ rGF.ImportGraphic( aGraphic, OUString(), *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: */