framework/source/uielement/imagebuttontoolbarcontroller.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "uielement/imagebuttontoolbarcontroller.hxx"
  21
  22 #include <framework/addonsoptions.hxx>
  23
  24 #include <com/sun/star/util/XURLTransformer.hpp>
  25 #include <com/sun/star/frame/XDispatchProvider.hpp>
  26 #include <com/sun/star/beans/PropertyValue.hpp>
  27 #include <com/sun/star/frame/XControlNotificationListener.hpp>
  28 #include <com/sun/star/uno/XComponentContext.hpp>
  29
  30 #include <osl/mutex.hxx>
  31 #include <comphelper/getexpandeduri.hxx>
  32 #include <comphelper/processfactory.hxx>
  33 #include <unotools/ucbstreamhelper.hxx>
  34 #include <vcl/svapp.hxx>
  35 #include <vcl/mnemonic.hxx>
  36 #include <vcl/window.hxx>
  37 #include <vcl/graph.hxx>
  38 #include <vcl/bitmap.hxx>
  39 #include <vcl/graphicfilter.hxx>
  40 #include <vcl/toolbox.hxx>
  41 #include <svtools/miscopt.hxx>
  42 #include <boost/scoped_ptr.hpp>
  43
  44 using namespace ::com::sun::star;
  45 using namespace ::com::sun::star::awt;
  46 using namespace ::com::sun::star::uno;
  47 using namespace ::com::sun::star::beans;
  48 using namespace ::com::sun::star::lang;
  49 using namespace ::com::sun::star::frame;
  50 using namespace ::com::sun::star::util;
  51
  52 const ::Size  aImageSizeSmall( 16, 16 );
  53 const ::Size  aImageSizeBig( 26, 26 );
  54
  55 namespace framework
  56 {
  57
  58 static void SubstituteVariables( OUString& aURL )
  59 {
  60     aURL = comphelper::getExpandedUri(
  61         comphelper::getProcessComponentContext(), aURL);
  62 }
  63
  64 ImageButtonToolbarController::ImageButtonToolbarController(
  65     const Reference< XComponentContext >&    rxContext,
  66     const Reference< XFrame >&               rFrame,
  67     ToolBox*                                 pToolbar,
  68     sal_uInt16                                   nID,
  69     const OUString&                          aCommand ) :
  70     ComplexToolbarController( rxContext, rFrame, pToolbar, nID, aCommand )
  71 {
  72     bool bBigImages( SvtMiscOptions().AreCurrentSymbolsLarge() );
  73
  74     Image aImage = AddonsOptions().GetImageFromURL( aCommand, bBigImages, true );
  75
  76     // Height will be controlled by scaling according to button height
  77     m_pToolbar->SetItemImage( m_nID, aImage );
  78 }
  79
  80 ImageButtonToolbarController::~ImageButtonToolbarController()
  81 {
  82 }
  83
  84 void SAL_CALL ImageButtonToolbarController::dispose()
  85 throw ( RuntimeException, std::exception )
  86 {
  87     SolarMutexGuard aSolarMutexGuard;
  88     ComplexToolbarController::dispose();
  89 }
  90
  91 void ImageButtonToolbarController::executeControlCommand( const ::com::sun::star::frame::ControlCommand& rControlCommand )
  92 {
  93     SolarMutexGuard aSolarMutexGuard;
  94     // i73486 to be downward compatible use old and "wrong" also!
  95     if( rControlCommand.Command == "SetImag" ||
  96         rControlCommand.Command == "SetImage" )
  97     {
  98         for ( sal_Int32 i = 0; i < rControlCommand.Arguments.getLength(); i++ )
  99         {
 100             if ( rControlCommand.Arguments[i].Name == "URL" )
 101             {
 102                 OUString aURL;
 103                 rControlCommand.Arguments[i].Value >>= aURL;
 104
 105                 SubstituteVariables( aURL );
 106
 107                 Image aImage;
 108                 if ( ReadImageFromURL( SvtMiscOptions().AreCurrentSymbolsLarge(),
 109                                        aURL,
 110                                        aImage ))
 111                 {
 112                     m_pToolbar->SetItemImage( m_nID, aImage );
 113
 114                     // send notification
 115                     uno::Sequence< beans::NamedValue > aInfo( 1 );
 116                     aInfo[0].Name  = "URL";
 117                     aInfo[0].Value <<= aURL;
 118                     addNotifyInfo( OUString( "ImageChanged" ),
 119                                 getDispatchFromCommand( m_aCommandURL ),
 120                                 aInfo );
 121                     break;
 122                 }
 123             }
 124         }
 125     }
 126 }
 127
 128 bool ImageButtonToolbarController::ReadImageFromURL( bool bBigImage, const OUString& aImageURL, Image& aImage )
 129 {
 130     boost::scoped_ptr<SvStream> pStream(utl::UcbStreamHelper::CreateStream( aImageURL, STREAM_STD_READ ));
 131     if ( pStream && ( pStream->GetErrorCode() == 0 ))
 132     {
 133         // Use graphic class to also support more graphic formats (bmp,png,...)
 134         Graphic aGraphic;
 135
 136         GraphicFilter& rGF = GraphicFilter::GetGraphicFilter();
 137         rGF.ImportGraphic( aGraphic, OUString(), *pStream, GRFILTER_FORMAT_DONTKNOW );
 138
 139         BitmapEx aBitmapEx = aGraphic.GetBitmapEx();
 140
 141         const ::Size aSize = bBigImage ? aImageSizeBig : aImageSizeSmall; // Sizes used for toolbar images
 142
 143         ::Size aBmpSize = aBitmapEx.GetSizePixel();
 144         if ( aBmpSize.Width() > 0 && aBmpSize.Height() > 0 )
 145         {
 146             ::Size aNoScaleSize( aBmpSize.Width(), aSize.Height() );
 147             if ( aBmpSize != aNoScaleSize )
 148                 aBitmapEx.Scale( aNoScaleSize, BmpScaleFlag::BestQuality );
 149             aImage = Image( aBitmapEx );
 150             return true;
 151         }
 152     }
 153
 154     return false;
 155 }
 156
 157 } // namespace
 158
 159 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */