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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 "impoptimizer.hxx"
#include "pppoptimizer.hxx"
#include "graphiccollector.hxx"
#include "pagecollector.hxx"
#include "informationdialog.hxx"

#include <vector>
#include <com/sun/star/util/URL.hpp>
#include <com/sun/star/util/XURLTransformer.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/awt/Size.hpp>
#include <com/sun/star/frame/XModel.hpp>
#include <com/sun/star/frame/Desktop.hpp>
#include <com/sun/star/awt/XWindow.hpp>
#include <com/sun/star/frame/XStorable.hpp>
#include <com/sun/star/frame/FrameSearchFlag.hpp>
#include <com/sun/star/frame/XDispatchProvider.hpp>
#include <com/sun/star/graphic/GraphicProvider.hpp>
#include <com/sun/star/graphic/XGraphicProvider.hpp>
#include <com/sun/star/drawing/XShapes.hpp>
#include <com/sun/star/drawing/XDrawPagesSupplier.hpp>
#include <com/sun/star/drawing/XMasterPagesSupplier.hpp>
#include <com/sun/star/presentation/XPresentationPage.hpp>
#include <com/sun/star/document/XFilter.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/graphic/GraphicType.hpp>
#include <com/sun/star/io/XStream.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <com/sun/star/io/TempFile.hpp>
#include <com/sun/star/frame/XComponentLoader.hpp>
#include <com/sun/star/util/URLTransformer.hpp>

using namespace ::std;
using namespace ::com::sun::star;
using namespace ::com::sun::star::io;
using namespace ::com::sun::star::awt;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::util;
using namespace ::com::sun::star::frame;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::drawing;
using namespace ::com::sun::star::graphic;
using namespace ::com::sun::star::document;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::presentation;

static void ImpExtractCustomShow( const Reference< XModel >& rxModel, const OUString& rCustomShowName )
{
    vector< Reference< XDrawPage > > vNonUsedPageList;
    try
    {
        PageCollector::CollectNonCustomShowPages( rxModel, rCustomShowName, vNonUsedPageList );
        Reference< XDrawPagesSupplier > xDrawPagesSupplier( rxModel, UNO_QUERY_THROW );
        Reference< XDrawPages > xDrawPages( xDrawPagesSupplier->getDrawPages(), UNO_SET_THROW );
        for( const auto& rxPage : vNonUsedPageList )
            xDrawPages->remove( rxPage );
    }
    catch( Exception& )
    {

    }
}

static void ImpDeleteUnusedMasterPages( const Reference< XModel >& rxModel )
{
    vector< PageCollector::MasterPageEntity > aMasterPageList;
    PageCollector::CollectMasterPages( rxModel, aMasterPageList );

    // now master pages that are not marked can be deleted
    Reference< XMasterPagesSupplier > xMasterPagesSupplier( rxModel, UNO_QUERY_THROW );
    Reference< XDrawPages > xMasterPages( xMasterPagesSupplier->getMasterPages(), UNO_SET_THROW );
    for( const auto& rMasterPage : aMasterPageList )
    {
        if ( !rMasterPage.bUsed )
            xMasterPages->remove( rMasterPage.xMasterPage );
    }
}

static void ImpDeleteHiddenSlides(  const Reference< XModel >& rxModel )
{
    try
    {
        Reference< XDrawPagesSupplier > xDrawPagesSupplier( rxModel, UNO_QUERY_THROW );
        Reference< XDrawPages > xDrawPages( xDrawPagesSupplier->getDrawPages(), UNO_SET_THROW );
        for( sal_Int32 i = 0; i < xDrawPages->getCount(); i++ )
        {
            Reference< XDrawPage > xDrawPage( xDrawPages->getByIndex( i ), UNO_QUERY_THROW );
            Reference< XPropertySet > xPropSet( xDrawPage, UNO_QUERY_THROW );

            bool bVisible = true;<--- Assignment 'bVisible=true', assigned value is 1
            if ( xPropSet->getPropertyValue( "Visible" ) >>= bVisible )
            {
                if (!bVisible )<--- Condition '!bVisible' is always false
                {
                    xDrawPages->remove( xDrawPage );
                    i--;
                }
            }
        }
    }
    catch( Exception& )
    {
    }
}

static void ImpDeleteNotesPages( const Reference< XModel >& rxModel )
{
    try
    {
        Reference< XDrawPagesSupplier > xDrawPagesSupplier( rxModel, UNO_QUERY_THROW );
        Reference< XDrawPages > xDrawPages( xDrawPagesSupplier->getDrawPages(), UNO_SET_THROW );
        sal_Int32 i, nPages = xDrawPages->getCount();
        for( i = 0; i < nPages; i++ )
        {
            Reference< XPresentationPage > xPresentationPage( xDrawPages->getByIndex( i ), UNO_QUERY_THROW );
            Reference< XPropertySet > xPropSet( xPresentationPage->getNotesPage(), UNO_QUERY_THROW );
            Reference< XShapes > xShapes( xPropSet, UNO_QUERY_THROW );
            while( xShapes->getCount() )
                xShapes->remove( Reference< XShape >( xShapes->getByIndex( xShapes->getCount() - 1 ), UNO_QUERY_THROW ) );

            xPropSet->setPropertyValue( "Layout", Any( sal_Int16(21) ) );
        }
    }
    catch( Exception& )
    {
    }
}

static void ImpConvertOLE( const Reference< XModel >& rxModel, sal_Int32 nOLEOptimizationType )
{
    try
    {
        Reference< XDrawPagesSupplier > xDrawPagesSupplier( rxModel, UNO_QUERY_THROW );
        Reference< XDrawPages > xDrawPages( xDrawPagesSupplier->getDrawPages(), UNO_SET_THROW );
        for ( sal_Int32 i = 0; i < xDrawPages->getCount(); i++ )
        {
            Reference< XShapes > xShapes( xDrawPages->getByIndex( i ), UNO_QUERY_THROW );
            for ( sal_Int32 j = 0; j < xShapes->getCount(); j++ )
            {
                Reference< XShape > xShape( xShapes->getByIndex( j ), UNO_QUERY_THROW );
                if ( xShape->getShapeType() == "com.sun.star.drawing.OLE2Shape" )
                {
                    Reference< XPropertySet > xPropSet( xShape, UNO_QUERY_THROW );

                    bool bConvertOLE = nOLEOptimizationType == 0;
                    if ( nOLEOptimizationType == 1 )
                    {
                        bool bIsInternal = true;
                        xPropSet->getPropertyValue( "IsInternal" ) >>= bIsInternal;
                        bConvertOLE = !bIsInternal;
                    }
                    if ( bConvertOLE )
                    {
                        Reference< XGraphic > xGraphic;
                        if ( xPropSet->getPropertyValue( "Graphic" ) >>= xGraphic )
                        {
                            Reference< XMultiServiceFactory > xFact( rxModel, UNO_QUERY_THROW );
                            Reference< XShape > xShape2( xFact->createInstance( "com.sun.star.drawing.GraphicObjectShape" ), UNO_QUERY_THROW );
                            xShapes->add( xShape2 );
                            xShape2->setPosition( xShape->getPosition() );
                            xShape2->setSize( xShape->getSize() );
                            Reference< XPropertySet > xPropSet2( xShape2, UNO_QUERY_THROW );
                            xPropSet2->setPropertyValue( "Graphic", Any( xGraphic ) );
                            xShapes->remove( xShape );
                            xPropSet2->setPropertyValue( "ZOrder", Any( j ) );
                        }
                    }
                }
            }
        }
    }
    catch( Exception& )
    {
    }
}

static void ImpCompressGraphic( Reference< XGraphicProvider > const & rxGraphicProvider, const Reference< XGraphic >& rxGraphic, Reference< XOutputStream > const & rxOutputStream,
    const OUString& rDestMimeType, const awt::Size& rLogicalSize, sal_Int32 nJPEGQuality, sal_Int32 nImageResolution, bool bRemoveCropping, const text::GraphicCrop& rGraphicCropLogic )
{
    try
    {
        if ( rxGraphicProvider.is() && rxOutputStream.is() )
        {
            Sequence< PropertyValue > aFilterData( 8 );
            aFilterData[ 0 ].Name = "ImageResolution";
            aFilterData[ 0 ].Value <<= nImageResolution;
            aFilterData[ 1 ].Name = "ColorMode";      // todo: jpeg color mode (0->true color, 1->greyscale)
            aFilterData[ 1 ].Value <<= sal_Int32(0);
            aFilterData[ 2 ].Name = "Quality";        // quality that is used if we export to jpeg
            aFilterData[ 2 ].Value <<= nJPEGQuality;
            aFilterData[ 3 ].Name = "Compression";    // compression that is used if we export to png
            aFilterData[ 3 ].Value <<= sal_Int32(6);
            aFilterData[ 4 ].Name = "Interlaced";     // interlaced is turned off if we export to png
            aFilterData[ 4 ].Value <<= sal_Int32(0);
            aFilterData[ 5 ].Name = "LogicalSize";
            aFilterData[ 5 ].Value <<= rLogicalSize;
            aFilterData[ 6 ].Name = "RemoveCropArea";
            aFilterData[ 6 ].Value <<= bRemoveCropping;
            aFilterData[ 7 ].Name = "GraphicCropLogic";
            aFilterData[ 7 ].Value <<= rGraphicCropLogic;

            Sequence< PropertyValue > aArgs( 3 );
            aArgs[ 0 ].Name = "MimeType";             // the GraphicProvider is using "MimeType", the GraphicExporter "MediaType"...
            aArgs[ 0 ].Value <<= rDestMimeType;
            aArgs[ 1 ].Name = "OutputStream";
            aArgs[ 1 ].Value <<= rxOutputStream;
            aArgs[ 2 ].Name = "FilterData";
            aArgs[ 2 ].Value <<= aFilterData;

            rxGraphicProvider->storeGraphic( rxGraphic, aArgs );
        }
    }
    catch( Exception& )
    {
    }
}

static Reference< XGraphic > ImpCompressGraphic( const Reference< XComponentContext >& rxContext,
    const Reference< XGraphic >& xGraphic, const awt::Size& aLogicalSize, const text::GraphicCrop& aGraphicCropLogic,
        const GraphicSettings& rGraphicSettings )
{
    Reference< XGraphic > xNewGraphic;
    try
    {
        OUString aSourceMimeType;
        Reference< XPropertySet > xGraphicPropertySet( xGraphic, UNO_QUERY_THROW );
        if ( xGraphicPropertySet->getPropertyValue( "MimeType" ) >>= aSourceMimeType )
        {
            sal_Int8 nGraphicType( xGraphic->getType() );
            if ( nGraphicType == css::graphic::GraphicType::PIXEL )
            {
                bool bTransparent = false;<--- 'bTransparent' is assigned value 'false' here.
                bool bAlpha       = false;<--- 'bAlpha' is assigned value 'false' here.
                bool bAnimated    = false;<--- Assignment 'bAnimated=false', assigned value is 0

                awt::Size aSourceSizePixel( 0, 0 );
                text::GraphicCrop aGraphicCropPixel( 0, 0, 0, 0 );

                if ( ( xGraphicPropertySet->getPropertyValue( "SizePixel" ) >>= aSourceSizePixel ) &&
                    ( xGraphicPropertySet->getPropertyValue( "Transparent" ) >>= bTransparent ) &&
                    ( xGraphicPropertySet->getPropertyValue( "Alpha" ) >>= bAlpha ) &&
                    ( xGraphicPropertySet->getPropertyValue( "Animated" ) >>= bAnimated ) )
                {
                    awt::Size aDestSizePixel( aSourceSizePixel );
                    if ( !bAnimated )<--- Condition '!bAnimated' is always true
                    {
                        bool bNeedsOptimizing = false;
                        bool bRemoveCropArea( rGraphicSettings.mbRemoveCropArea );

                        // cropping has to be removed from SourceSizePixel
                        if ( aGraphicCropLogic.Left || aGraphicCropLogic.Top || aGraphicCropLogic.Right || aGraphicCropLogic.Bottom )
                        {
                            const awt::Size aSize100thMM( GraphicCollector::GetOriginalSize( rxContext, xGraphic ) );

                            if ( bRemoveCropArea )
                                bNeedsOptimizing = true;

                            if ( aSize100thMM.Width && aSize100thMM.Height )
                            {
                                aGraphicCropPixel.Left = static_cast< sal_Int32 >( ( static_cast<double>(aSourceSizePixel.Width) * aGraphicCropLogic.Left ) / aSize100thMM.Width );
                                aGraphicCropPixel.Top = static_cast< sal_Int32 >( ( static_cast<double>(aSourceSizePixel.Height)* aGraphicCropLogic.Top ) / aSize100thMM.Height );
                                aGraphicCropPixel.Right = static_cast< sal_Int32 >( ( static_cast<double>(aSourceSizePixel.Width) * ( aSize100thMM.Width - aGraphicCropLogic.Right ) ) / aSize100thMM.Width );
                                aGraphicCropPixel.Bottom = static_cast< sal_Int32 >( ( static_cast<double>(aSourceSizePixel.Height)* ( aSize100thMM.Height - aGraphicCropLogic.Bottom ) ) / aSize100thMM.Height );

                                // first calculating new SourceSizePixel by removing the cropped area
                                aSourceSizePixel.Width = aGraphicCropPixel.Right - aGraphicCropPixel.Left;
                                aSourceSizePixel.Height= aGraphicCropPixel.Bottom - aGraphicCropPixel.Top;
                            }
                            else
                            {
                                bRemoveCropArea = false;
                            }
                        }
                        if ( ( aSourceSizePixel.Width > 0 ) && ( aSourceSizePixel.Height > 0 ) )
                        {
                            OUString aDestMimeType( "image/png"  );
                            if (rGraphicSettings.mbJPEGCompression && !bTransparent && !bAlpha)
                            {
                                aDestMimeType = "image/jpeg";
//                                      if( aSourceMimeType != aDestMimeType )
                                bNeedsOptimizing = true;
                            }
                            if ( bRemoveCropArea )
                                aDestSizePixel = aSourceSizePixel;
                            if ( rGraphicSettings.mnImageResolution && aLogicalSize.Width && aLogicalSize.Height )
                            {
                                const double fSourceDPIX = static_cast<double>(aSourceSizePixel.Width) / (static_cast<double>(aLogicalSize.Width) / 2540.0 );
                                const double fSourceDPIY = static_cast<double>(aSourceSizePixel.Height)/ (static_cast<double>(aLogicalSize.Height)/ 2540.0 );

                                // check, if the bitmap DPI exceeds the maximum DPI
                                if( ( fSourceDPIX > rGraphicSettings.mnImageResolution ) || ( fSourceDPIY > rGraphicSettings.mnImageResolution ) )
                                {
                                    const double fNewSizePixelX = (static_cast<double>(aDestSizePixel.Width) * rGraphicSettings.mnImageResolution ) / fSourceDPIX;
                                    const double fNewSizePixelY = (static_cast<double>(aDestSizePixel.Height)* rGraphicSettings.mnImageResolution ) / fSourceDPIY;

                                    aDestSizePixel = awt::Size( static_cast<sal_Int32>(fNewSizePixelX), static_cast<sal_Int32>(fNewSizePixelY) );
                                    bNeedsOptimizing = true;
                                }
                            }
                            if ( bNeedsOptimizing && aDestSizePixel.Width && aDestSizePixel.Height )
                            {
                                Reference< XStream > xTempFile( io::TempFile::create(rxContext), UNO_QUERY_THROW );
                                Reference< XOutputStream > xOutputStream( xTempFile->getOutputStream() );
                                Reference< XGraphicProvider > xGraphicProvider( GraphicProvider::create( rxContext ) );

                                ImpCompressGraphic( xGraphicProvider, xGraphic, xOutputStream, aDestMimeType, aLogicalSize, rGraphicSettings.mnJPEGQuality, rGraphicSettings.mnImageResolution, bRemoveCropArea, aGraphicCropLogic );
                                Reference< XInputStream > xInputStream( xTempFile->getInputStream() );
                                Reference< XSeekable > xSeekable( xInputStream, UNO_QUERY_THROW );
                                xSeekable->seek( 0 );
                                Sequence< PropertyValue > aArgs( 1 );
                                aArgs[ 0 ].Name = "InputStream";
                                aArgs[ 0 ].Value <<= xInputStream;
                                xNewGraphic = xGraphicProvider->queryGraphic( aArgs );
                            }
                        }
                    }
                }
            }
            else // this is a metafile
            {
                const OUString& aDestMimeType( aSourceMimeType );
                Reference< XStream > xTempFile( io::TempFile::create(rxContext), UNO_QUERY_THROW );
                Reference< XOutputStream > xOutputStream( xTempFile->getOutputStream() );
                Reference< XGraphicProvider > xGraphicProvider( GraphicProvider::create( rxContext ) );
                ImpCompressGraphic( xGraphicProvider, xGraphic, xOutputStream, aDestMimeType, aLogicalSize, rGraphicSettings.mnJPEGQuality, rGraphicSettings.mnImageResolution, false, aGraphicCropLogic );
                Reference< XInputStream > xInputStream( xTempFile->getInputStream() );
                Reference< XSeekable > xSeekable( xInputStream, UNO_QUERY_THROW );
                xSeekable->seek( 0 );
                Sequence< PropertyValue > aArgs( 1 );
                aArgs[ 0 ].Name = "InputStream";
                aArgs[ 0 ].Value <<= xInputStream;
                xNewGraphic = xGraphicProvider->queryGraphic( aArgs );
            }
        }
    }
    catch( Exception& )
    {
    }
    return xNewGraphic;
}

static void CompressGraphics( ImpOptimizer& rOptimizer, const Reference< XComponentContext >& rxContext, const GraphicSettings& rGraphicSettings,
    std::vector< GraphicCollector::GraphicEntity >& rGraphicList )
{
    try
    {
        double i = 0;
        for( auto& rGraphic : rGraphicList )
        {
            i++;
            sal_Int32 nProgress = static_cast< sal_Int32 >( 40.0 * ( i / static_cast< double >( rGraphicList.size() ) ) ) + 50;
            rOptimizer.SetStatusValue( TK_Progress, Any( nProgress ) );
            rOptimizer.DispatchStatus();

            if ( !rGraphic.maUser.empty() )
            {
                GraphicSettings aGraphicSettings( rGraphicSettings );
                aGraphicSettings.mbRemoveCropArea = rGraphic.mbRemoveCropArea;

                Reference< XGraphic > xGraphic;
                if ( rGraphic.maUser[ 0 ].mbFillBitmap && rGraphic.maUser[ 0 ].mxPropertySet.is() )
                {
                    Reference< XBitmap > xFillBitmap;
                    if ( rGraphic.maUser[ 0 ].mxPropertySet->getPropertyValue( "FillBitmap" ) >>= xFillBitmap )
                        xGraphic.set( xFillBitmap, UNO_QUERY_THROW );
                }
                else if ( rGraphic.maUser[ 0 ].mxShape.is() )
                {
                    Reference< XPropertySet > xShapePropertySet( rGraphic.maUser[ 0 ].mxShape, UNO_QUERY_THROW );
                    xShapePropertySet->getPropertyValue( "Graphic" ) >>= xGraphic;
                }
                if ( xGraphic.is() )
                {
                    Reference< XPropertySet > xNewGraphicPropertySet( xGraphic, UNO_QUERY_THROW );
                    awt::Size aSize100thMM( GraphicCollector::GetOriginalSize( rxContext, xGraphic ) );
                    Reference< XGraphic > xNewGraphic( ImpCompressGraphic( rxContext, xGraphic, rGraphic.maLogicalSize, rGraphic.maGraphicCropLogic, aGraphicSettings ) );
                    if ( xNewGraphic.is() )
                    {
                        // applying graphic to each user
                        for( auto& rGraphicUser : rGraphic.maUser )
                        {
                            if ( rGraphicUser.mxShape.is() )
                            {
                                Reference< XPropertySet > xShapePropertySet( rGraphicUser.mxShape, UNO_QUERY_THROW );
                                xShapePropertySet->setPropertyValue( "Graphic", Any( xNewGraphic ) );

                                if ( rGraphicUser.maGraphicCropLogic.Left || rGraphicUser.maGraphicCropLogic.Top
                                || rGraphicUser.maGraphicCropLogic.Right || rGraphicUser.maGraphicCropLogic.Bottom )
                                {   // removing crop area was not possible or shouldn't been applied
                                    text::GraphicCrop aGraphicCropLogic( 0, 0, 0, 0 );
                                    if ( !aGraphicSettings.mbRemoveCropArea )
                                    {
                                        awt::Size aNewSize( GraphicCollector::GetOriginalSize( rxContext, xNewGraphic ) );
                                        aGraphicCropLogic.Left = static_cast<sal_Int32>(static_cast<double>(rGraphicUser.maGraphicCropLogic.Left) * (static_cast<double>(aNewSize.Width) / static_cast<double>(aSize100thMM.Width)));
                                        aGraphicCropLogic.Top = static_cast<sal_Int32>(static_cast<double>(rGraphicUser.maGraphicCropLogic.Top) * (static_cast<double>(aNewSize.Height) / static_cast<double>(aSize100thMM.Height)));
                                        aGraphicCropLogic.Right = static_cast<sal_Int32>(static_cast<double>(rGraphicUser.maGraphicCropLogic.Right) * (static_cast<double>(aNewSize.Width) / static_cast<double>(aSize100thMM.Width)));
                                        aGraphicCropLogic.Bottom = static_cast<sal_Int32>(static_cast<double>(rGraphicUser.maGraphicCropLogic.Bottom) * (static_cast<double>(aNewSize.Height) / static_cast<double>(aSize100thMM.Height)));
                                    }
                                    xShapePropertySet->setPropertyValue( "GraphicCrop", Any( aGraphicCropLogic ) );
                                }
                            }
                            else if ( rGraphicUser.mxPropertySet.is() )
                            {
                                Reference< XBitmap > xFillBitmap( xNewGraphic, UNO_QUERY );
                                if ( xFillBitmap.is() )
                                {
                                    awt::Size aSize;
                                    bool bLogicalSize;<--- Variable 'bLogicalSize' is not assigned a value.

                                    Reference< XPropertySet >& rxPropertySet( rGraphicUser.mxPropertySet );
                                    rxPropertySet->setPropertyValue( "FillBitmap", Any( xFillBitmap ) );
                                    if ( ( rxPropertySet->getPropertyValue( "FillBitmapLogicalSize" ) >>= bLogicalSize )<--- Uninitialized variable: bLogicalSize
                                        && ( rxPropertySet->getPropertyValue( "FillBitmapSizeX" ) >>= aSize.Width )
                                        && ( rxPropertySet->getPropertyValue( "FillBitmapSizeY" ) >>= aSize.Height ) )
                                    {
                                        if ( !aSize.Width || !aSize.Height )
                                        {
                                            rxPropertySet->setPropertyValue( "FillBitmapLogicalSize", Any( true ) );
                                            rxPropertySet->setPropertyValue( "FillBitmapSizeX", Any( rGraphicUser.maLogicalSize.Width ) );
                                            rxPropertySet->setPropertyValue( "FillBitmapSizeY", Any( rGraphicUser.maLogicalSize.Height ) );
                                        }
                                    }
                                    if ( rGraphicUser.mxPagePropertySet.is() )
                                        rGraphicUser.mxPagePropertySet->setPropertyValue( "Background", Any( rxPropertySet ) );
                                }
                            }
                        }
                    }
                }
            }
        }
    }
    catch ( Exception& )
    {
    }
}


ImpOptimizer::ImpOptimizer( const Reference< XComponentContext >& rxContext, const Reference< XModel >& rxModel ) :
    mxContext                   ( rxContext ),
    mxModel                     ( rxModel ),
    mbJPEGCompression           ( false ),
    mnJPEGQuality               ( 90 ),
    mbRemoveCropArea            ( false ),
    mnImageResolution           ( 0 ),
    mbEmbedLinkedGraphics       ( true ),
    mbOLEOptimization           ( false ),
    mnOLEOptimizationType       ( 0 ),
    mbDeleteUnusedMasterPages   ( false ),
    mbDeleteHiddenSlides        ( false ),
    mbDeleteNotesPages          ( false ),
    mbOpenNewDocument           ( true )
{
}


ImpOptimizer::~ImpOptimizer()
{
}


void ImpOptimizer::DispatchStatus()
{
    if ( mxStatusDispatcher.is() )
    {
        URL aURL;
        aURL.Protocol = "vnd.com.sun.star.comp.PresentationMinimizer:";
        aURL.Path = "statusupdate";
        mxStatusDispatcher->dispatch( aURL, GetStatusSequence() );
    }
}


void ImpOptimizer::Optimize()
{

    if ( !maCustomShowName.isEmpty() )
        ImpExtractCustomShow( mxModel, maCustomShowName );

    if ( mbDeleteHiddenSlides )
    {
        SetStatusValue( TK_Progress, Any( static_cast< sal_Int32 >( 40 ) ) );
        SetStatusValue( TK_Status, Any( OUString("STR_DELETING_SLIDES") ) );
        DispatchStatus();
        ImpDeleteHiddenSlides( mxModel );
    }

    if ( mbDeleteNotesPages )
    {
        SetStatusValue( TK_Status, Any( OUString("STR_DELETING_SLIDES") ) );
        DispatchStatus();
        ImpDeleteNotesPages( mxModel );
    }

    if ( mbDeleteUnusedMasterPages )
    {
        SetStatusValue( TK_Progress, Any( static_cast< sal_Int32 >( 40 ) ) );
        SetStatusValue( TK_Status, Any( OUString("STR_DELETING_SLIDES") ) );
        DispatchStatus();
        ImpDeleteUnusedMasterPages( mxModel );
    }

    if ( mbOLEOptimization )
    {
        SetStatusValue( TK_Progress, Any( static_cast< sal_Int32 >( 45 ) ) );
        SetStatusValue( TK_Status, Any( OUString("STR_CREATING_OLE_REPLACEMENTS") ) );
        DispatchStatus();
        ImpConvertOLE( mxModel, mnOLEOptimizationType );
    }

    if ( mbJPEGCompression || mbRemoveCropArea || mnImageResolution )
    {
        SetStatusValue( TK_Progress, Any( static_cast< sal_Int32 >( 50 ) ) );
        SetStatusValue( TK_Status, Any( OUString("STR_OPTIMIZING_GRAPHICS") ) );
        DispatchStatus();

        std::vector< GraphicCollector::GraphicEntity > aGraphicList;
        GraphicSettings aGraphicSettings( mbJPEGCompression, mnJPEGQuality, mbRemoveCropArea, mnImageResolution, mbEmbedLinkedGraphics );
        GraphicCollector::CollectGraphics( mxContext, mxModel, aGraphicSettings, aGraphicList );
        CompressGraphics( *this, mxContext, aGraphicSettings, aGraphicList );
    }
    SetStatusValue( TK_Progress, Any( static_cast< sal_Int32 >( 100 ) ) );
    DispatchStatus();
}

static void DispatchURL( const Reference< XComponentContext >& xContext, const OUString& sURL, const Reference< XFrame >& xFrame )
{
    try
    {
        Reference< XURLTransformer > xURLTransformer( URLTransformer::create(xContext) );
        util::URL aUrl;
        aUrl.Complete = sURL;
        xURLTransformer->parseStrict( aUrl );
        Sequence< PropertyValue > aArgs;
        Reference< XDispatchProvider > xDispatchProvider( xFrame, UNO_QUERY_THROW );
        Reference< XDispatch > xDispatch = xDispatchProvider->queryDispatch( aUrl, OUString(), 0 );  // "_self"
        if ( xDispatch.is() )
            xDispatch->dispatch( aUrl, aArgs );
    }
    catch( Exception& )
    {
    }
}


void ImpOptimizer::Optimize( const Sequence< PropertyValue >& rArguments )
{
    if ( !mxModel.is() )
        return;

    sal_Int64 nEstimatedFileSize = 0;
    SetStatusValue( TK_Progress, Any( static_cast< sal_Int32 >( 0 ) ) );
    DispatchStatus();

    for ( const auto& rArgument : rArguments )
    {
        switch( TKGet( rArgument.Name ) )
        {
            case TK_StatusDispatcher : rArgument.Value >>= mxStatusDispatcher; break;
            case TK_InformationDialog: rArgument.Value >>= mxInformationDialog; break;
            case TK_Settings :
            {
                css::uno::Sequence< css::beans::PropertyValue > aSettings;
                rArgument.Value >>= aSettings;
                for ( const auto& rSetting : std::as_const(aSettings) )
                {
                    switch( TKGet( rSetting.Name ) )
                    {
                        case TK_JPEGCompression         : rSetting.Value >>= mbJPEGCompression; break;
                        case TK_JPEGQuality             : rSetting.Value >>= mnJPEGQuality; break;
                        case TK_RemoveCropArea          : rSetting.Value >>= mbRemoveCropArea; break;
                        case TK_ImageResolution         : rSetting.Value >>= mnImageResolution; break;
                        case TK_EmbedLinkedGraphics     : rSetting.Value >>= mbEmbedLinkedGraphics; break;
                        case TK_OLEOptimization         : rSetting.Value >>= mbOLEOptimization; break;
                        case TK_OLEOptimizationType     : rSetting.Value >>= mnOLEOptimizationType; break;
                        case TK_CustomShowName          : rSetting.Value >>= maCustomShowName; break;
                        case TK_DeleteUnusedMasterPages : rSetting.Value >>= mbDeleteUnusedMasterPages; break;
                        case TK_DeleteHiddenSlides      : rSetting.Value >>= mbDeleteHiddenSlides; break;
                        case TK_DeleteNotesPages        : rSetting.Value >>= mbDeleteNotesPages; break;
                        case TK_SaveAsURL               : rSetting.Value >>= maSaveAsURL; break;
                        case TK_FilterName              : rSetting.Value >>= maFilterName; break;
                        case TK_OpenNewDocument         : rSetting.Value >>= mbOpenNewDocument; break;
                        case TK_EstimatedFileSize       : rSetting.Value >>= nEstimatedFileSize; break;
                        default: break;
                    }
                }
            }
            break;
            default: break;
        }
    }

    sal_Int64 nSourceSize = 0;
    sal_Int64 nDestSize = 0;

    Reference< XFrame > xSelf;
    if ( !maSaveAsURL.isEmpty() )
    {

        SetStatusValue( TK_Progress, Any( static_cast< sal_Int32 >( 10 ) ) );
        SetStatusValue( TK_Status, Any( OUString("STR_DUPLICATING_PRESENTATION") ) );
        DispatchStatus();

        Reference< XStorable >xStorable( mxModel, UNO_QUERY );
        if ( xStorable.is() )
        {
            if ( xStorable->hasLocation() )
                nSourceSize = PPPOptimizer::GetFileSize( xStorable->getLocation() );

            Sequence< PropertyValue > aArguments;
            if ( !maFilterName.isEmpty() )
            {
                int nLength = aArguments.getLength();
                aArguments.realloc( nLength + 1 );
                aArguments[ nLength ].Name = "FilterName";
                aArguments[ nLength ].Value <<= maFilterName;
            }
            xStorable->storeToURL( maSaveAsURL, aArguments );
            if ( !nSourceSize )
                nSourceSize = PPPOptimizer::GetFileSize( maSaveAsURL );

            SetStatusValue( TK_Progress, Any( static_cast< sal_Int32 >( 30 ) ) );
            SetStatusValue( TK_Status, Any( OUString("STR_DUPLICATING_PRESENTATION") ) );
            DispatchStatus();

            Reference< XDesktop2 > xDesktop = Desktop::create( mxContext );
            xSelf = xDesktop->findFrame( "_blank", FrameSearchFlag::CREATE );
            Reference< XComponentLoader > xComponentLoader( xSelf, UNO_QUERY );

            Sequence< PropertyValue > aLoadProps( 1 );
            aLoadProps[ 0 ].Name = "Hidden";
            aLoadProps[ 0 ].Value <<= true;
            mxModel.set( xComponentLoader->loadComponentFromURL(
                maSaveAsURL, "_self", 0, aLoadProps ), UNO_QUERY );
        }
    }

    // check if the document is ReadOnly -> error
    Reference< XStorable > xStorable( mxModel, UNO_QUERY );
    if ( xStorable.is() && !xStorable->isReadonly() )
    {
        mxModel->lockControllers();
        Optimize();
        mxModel->unlockControllers();

        // clearing undo stack:
        Reference< XFrame > xFrame( xSelf.is() ? xSelf : mxInformationDialog );
        if ( xFrame.is() )
        {
            const OUString sSlot( "slot:27115"  );
            DispatchURL( mxContext, sSlot, xFrame );
        }
    }

    if ( !maSaveAsURL.isEmpty() )
    {
        if ( xStorable.is() )
        {
            xStorable->store();
            nDestSize = PPPOptimizer::GetFileSize( maSaveAsURL );
        }
    }

    if ( mxInformationDialog.is() )
    {
        InformationDialog aInformationDialog( mxContext, mxInformationDialog, maSaveAsURL, mbOpenNewDocument, nSourceSize, nDestSize, nEstimatedFileSize );
        aInformationDialog.execute();
        SetStatusValue( TK_OpenNewDocument, Any( mbOpenNewDocument ) );
        DispatchStatus();
    }

    if ( !maSaveAsURL.isEmpty() )
    {
        if ( mbOpenNewDocument && xSelf.is() )
        {
            Reference< awt::XWindow > xContainerWindow( xSelf->getContainerWindow() );
            xContainerWindow->setVisible( true );
        }
        else
        {
            mxModel->dispose();
        }
    }
    if ( nSourceSize && nDestSize )
    {
        SetStatusValue( TK_FileSizeSource, Any( nSourceSize ) );
        SetStatusValue( TK_FileSizeDestination, Any( nDestSize ) );
        DispatchStatus();
    }
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */