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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/.
*/
#include "Receiver.hxx"
#include <string.h>
#include <com/sun/star/presentation/XSlideShowController.hpp>
#include <com/sun/star/presentation/XPresentationSupplier.hpp>
#include <com/sun/star/presentation/XPresentation2.hpp>
#include <com/sun/star/frame/XFramesSupplier.hpp>
#include <com/sun/star/document/XFilter.hpp>
#include <com/sun/star/document/XExporter.hpp>
#include <com/sun/star/uno/RuntimeException.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <comphelper/processfactory.hxx>
#include <osl/file.hxx>
#include <xmlsec/base64.h>
#include <rtl/ustrbuf.hxx>
#include <sax/tools/converter.hxx>
#include <rtl/strbuf.hxx>
using namespace sd;
using namespace ::com::sun::star;
using rtl::OUString;
using rtl::OString;
using namespace ::osl;
using namespace std;
Receiver::Receiver( Transmitter *aTransmitter )
{
pTransmitter = aTransmitter;
}
Receiver::~Receiver()
{
}
void Receiver::parseCommand( std::vector<OString> aCommand )
{
uno::Reference<presentation::XSlideShowController> xSlideShowController;
uno::Reference<presentation::XPresentation2> xPresentation;
try {
uno::Reference< lang::XMultiServiceFactory > xServiceManager(
::comphelper::getProcessServiceFactory(), uno::UNO_QUERY_THROW );
uno::Reference< frame::XFramesSupplier > xFramesSupplier( xServiceManager->createInstance(
"com.sun.star.frame.Desktop" ) , uno::UNO_QUERY_THROW );
uno::Reference< frame::XFrame > xFrame ( xFramesSupplier->getActiveFrame(), uno::UNO_QUERY_THROW );
uno::Reference<presentation::XPresentationSupplier> xPS ( xFrame->getController()->getModel(), uno::UNO_QUERY_THROW);
xPresentation = uno::Reference<presentation::XPresentation2>(
xPS->getPresentation(), uno::UNO_QUERY_THROW);
// Throws an exception if now slideshow running
xSlideShowController = uno::Reference<presentation::XSlideShowController>(
xPresentation->getController(), uno::UNO_QUERY_THROW );
}
catch ( com::sun::star::uno::RuntimeException &e )
{
fprintf( stderr, "Error in retrieving Controller\n" );
//return;
}
if ( aCommand[0].equals( "transition_next" ) )
{
if ( xSlideShowController.is() )
xSlideShowController->gotoNextEffect();
}
else if ( aCommand[0].equals( "transition_previous" ) )
{
if ( xSlideShowController.is() )
xSlideShowController->gotoPreviousEffect();
}
else if ( aCommand[0].equals( "goto_slide" ) )
{
// FIXME: if 0 returned, then not a valid number
sal_Int32 aSlide = aCommand[1].toInt32();
if ( xSlideShowController.is() )
xSlideShowController->gotoSlideIndex( aSlide );
}
else if ( aCommand[0].equals( "presentation_start" ) )
{
if ( xPresentation.is() )
xPresentation->start();
}
else if ( aCommand[0].equals( "presentation_stop" ) )
{
if ( xPresentation.is() )
xPresentation->end();
}
else if ( aCommand[0].equals( "presentation_blank_screen" ) )
{
sal_Int32 aColour = 0; // Default is black
if ( aCommand.size() > 1 )
{
// aColour = FIXME: get the colour in some format from this string
// Determine the formatting first.
}
if ( xSlideShowController.is() )
{
xSlideShowController->blankScreen( aColour );
}
}
else if ( aCommand[0].equals( "presentation_resume" ) )
{
if ( xSlideShowController.is() )
{
xSlideShowController->resume();
}
}
// FIXME: remove later, this is just to test functionality
// sendPreview( 0, xSlideShowController, mTransmitter );
}
void sendPreview( sal_uInt32 aSlideNumber,
const uno::Reference<presentation::XSlideShowController>& xSlideShowController, Transmitter *aTransmitter )
{
sal_uInt64 aSize; // Unused
uno::Sequence<sal_Int8> aImageData = preparePreview( aSlideNumber, xSlideShowController, 320, 240, aSize );
rtl::OUStringBuffer aStrBuffer;
::sax::Converter::encodeBase64( aStrBuffer, aImageData );
OString aEncodedShortString = rtl::OUStringToOString(
aStrBuffer.makeStringAndClear(), RTL_TEXTENCODING_UTF8 );
// Start the writing
rtl::OStringBuffer aBuffer;
aBuffer.append( "slide_preview\n" );
rtl::OString aSlideNumberString( rtl::OString::valueOf( sal_Int32(2) ) ); // FIXME get number
aBuffer.append( aSlideNumberString.getStr() );
aBuffer.append( "\n" );
aBuffer.append( aEncodedShortString.getStr() );
aBuffer.append( "\n\n" );
aTransmitter->addMessage( aBuffer.makeStringAndClear(), Transmitter::Priority::LOW );
}
uno::Sequence<sal_Int8>
preparePreview(sal_uInt32 aSlideNumber,
const uno::Reference<presentation::XSlideShowController>& xSlideShowController,
sal_uInt32 aWidth, sal_uInt32 aHeight, sal_uInt64 &rSize )
{
(void)aWidth; (void)aHeight; // FIXME: remove me when I'm used
// Create temp file
OUString aFileURL;
FileBase::createTempFile( 0, 0, &aFileURL );
uno::Reference< lang::XMultiServiceFactory > xServiceManager(
::comphelper::getProcessServiceFactory(), uno::UNO_QUERY_THROW );
uno::Reference< document::XFilter > xFilter( xServiceManager->createInstance(
"com.sun.star.drawing.GraphicExportFilter" ) , uno::UNO_QUERY_THROW );
uno::Reference< document::XExporter > xExporter( xFilter, uno::UNO_QUERY_THROW );
uno::Reference< lang::XComponent > xSourceDoc(
xSlideShowController->getSlideByIndex( aSlideNumber ) , uno::UNO_QUERY_THROW );
xExporter->setSourceDocument( xSourceDoc );
uno::Sequence< beans::PropertyValue > aFilterData(3);
aFilterData[0].Name = "PixelWidth";
aFilterData[0].Value <<= sal_Int32(2000);
aFilterData[1].Name = "PixelHeight";
aFilterData[1].Value <<= sal_Int32(2000);
// Add quality if jpg "Quality" [1-100]
// FIXME: is setting color mode needed.
aFilterData[2].Name = "ColorMode";
aFilterData[2].Value <<= sal_Int32(0); // Color
uno::Sequence< beans::PropertyValue > aProps(3);
aProps[0].Name = "MediaType";
aProps[0].Value <<= OUString( "image/png" );
aProps[1].Name = "URL";
aProps[1].Value <<= aFileURL;
aProps[2].Name = "FilterData";
aProps[2].Value <<= aFilterData;
xFilter->filter( aProps );
// FIXME: error handling.
File aFile( aFileURL );
aFile.open(0);
sal_uInt64 aRead;
rSize = 0;
aFile.getSize( rSize );
uno::Sequence<sal_Int8> aContents( rSize );
aFile.read( aContents.getArray(), rSize, aRead );
aFile.close();
File::remove( aFileURL );
return aContents;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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