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..5c0cbeba8
--- /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,
+    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: */