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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/util/XURLTransformer.hpp>
#include <com/sun/star/frame/XDispatchProvider.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/frame/XControlNotificationListener.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <osl/mutex.hxx>
#include <comphelper/getexpandeduri.hxx>
#include <comphelper/processfactory.hxx>
#include <unotools/ucbstreamhelper.hxx>
#include <vcl/svapp.hxx>
#include <vcl/mnemonic.hxx>
#include <vcl/window.hxx>
#include <vcl/graph.hxx>
#include <vcl/bitmap.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_pToolbar->SetItemImage( m_nID, aImage );
}
ImageButtonToolbarController::~ImageButtonToolbarController()
{
}
void SAL_CALL ImageButtonToolbarController::dispose()
throw ( RuntimeException, std::exception )
{
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" )
{
for ( sal_Int32 i = 0; i < rControlCommand.Arguments.getLength(); i++ )
{
if ( rControlCommand.Arguments[i].Name == "URL" )
{
OUString aURL;
rControlCommand.Arguments[i].Value >>= aURL;
SubstituteVariables( aURL );
Image aImage;
if ( ReadImageFromURL( SvtMiscOptions().AreCurrentSymbolsLarge(),
aURL,
aImage ))
{
m_pToolbar->SetItemImage( m_nID, aImage );
// send notification
uno::Sequence< beans::NamedValue > aInfo( 1 );
aInfo[0].Name = "URL";
aInfo[0].Value <<= aURL;
addNotifyInfo( OUString( "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, STREAM_STD_READ ));
if ( pStream && ( pStream->GetErrorCode() == 0 ))
{
// Use graphic class to also support more graphic formats (bmp,png,...)
Graphic aGraphic;
GraphicFilter& rGF = GraphicFilter::GetGraphicFilter();
rGF.ImportGraphic( aGraphic, OUString(), *pStream, GRFILTER_FORMAT_DONTKNOW );
BitmapEx aBitmapEx = aGraphic.GetBitmapEx();
const ::Size aSize = bBigImage ? aImageSizeBig : aImageSizeSmall; // Sizes used for toolbar images
::Size aBmpSize = aBitmapEx.GetSizePixel();
if ( aBmpSize.Width() > 0 && aBmpSize.Height() > 0 )
{
::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: */
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