sdext/source/minimizer/pagecollector.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
  21 #include "pagecollector.hxx"
  22 #include <com/sun/star/drawing/XDrawPagesSupplier.hpp>
  23 #include <com/sun/star/drawing/XMasterPagesSupplier.hpp>
  24 #include <com/sun/star/drawing/XMasterPageTarget.hpp>
  25 #include <com/sun/star/presentation/XCustomPresentationSupplier.hpp>
  26 #include <com/sun/star/container/XNameContainer.hpp>
  27 #include <com/sun/star/container/XIndexContainer.hpp>
  28
  29 using namespace ::com::sun::star;
  30 using namespace ::com::sun::star::uno;
  31 using namespace ::com::sun::star::drawing;
  32 using namespace ::com::sun::star::frame;
  33 using namespace ::com::sun::star::container;
  34 using namespace ::com::sun::star::presentation;
  35
  36 void PageCollector::CollectCustomShowPages( const css::uno::Reference< css::frame::XModel >& rxModel, std::u16string_view rCustomShowName, std::vector< Reference< XDrawPage > >& rUsedPageList )
  37 {
  38     try
  39     {
  40         Reference< XCustomPresentationSupplier > aXCPSup( rxModel, UNO_QUERY_THROW );
  41         Reference< XNameContainer > aXCont( aXCPSup->getCustomPresentations() );
  42         if ( aXCont.is() )
  43         {
  44             // creating a list of every page that is used within our customshow
  45             const Sequence< OUString> aNameSeq( aXCont->getElementNames() );
  46             for ( OUString const & i :aNameSeq )
  47             {
  48                 if ( i == rCustomShowName )
  49                 {
  50                     Reference< container::XIndexContainer > aXIC( aXCont->getByName( i ), UNO_QUERY_THROW );
  51                     sal_Int32 j, nSlideCount = aXIC->getCount();
  52                     for ( j = 0; j < nSlideCount; j++ )
  53                     {
  54                         Reference< XDrawPage > xDrawPage( aXIC->getByIndex( j ), UNO_QUERY_THROW );
  55                         auto aIter = std::find(rUsedPageList.begin(), rUsedPageList.end(), xDrawPage);
  56                         if ( aIter == rUsedPageList.end() )
  57                             rUsedPageList.push_back( xDrawPage );
  58                     }
  59                 }
  60             }
  61         }
  62     }
  63     catch( Exception& )
  64     {
  65
  66     }
  67 }
  68
  69 void PageCollector::CollectNonCustomShowPages( const css::uno::Reference< css::frame::XModel >& rxModel, std::u16string_view rCustomShowName, std::vector< Reference< XDrawPage > >& rNonUsedPageList )
  70 {
  71     try
  72     {
  73         std::vector< Reference< XDrawPage > > vUsedPageList;
  74         PageCollector::CollectCustomShowPages( rxModel, rCustomShowName, vUsedPageList );
  75         if ( !vUsedPageList.empty() )
  76         {
  77             Reference< XDrawPagesSupplier > xDrawPagesSupplier( rxModel, UNO_QUERY_THROW );
  78             Reference< XDrawPages > xDrawPages( xDrawPagesSupplier->getDrawPages(), UNO_SET_THROW );
  79             for ( sal_Int32 j = 0; j < xDrawPages->getCount(); j++ )
  80             {
  81                 Reference< XDrawPage > xDrawPage( xDrawPages->getByIndex( j ), UNO_QUERY_THROW );
  82                 auto aIter = std::find(vUsedPageList.begin(), vUsedPageList.end(), xDrawPage);
  83                 if ( aIter == vUsedPageList.end() )
  84                     rNonUsedPageList.push_back( xDrawPage );
  85             }
  86         }
  87     }
  88     catch( Exception& )
  89     {
  90     }
  91 }
  92
  93
  94 void PageCollector::CollectMasterPages( const Reference< XModel >& rxModel, std::vector< PageCollector::MasterPageEntity >& rMasterPageList )
  95 {
  96     try
  97     {
  98         // generating list of all master pages
  99         Reference< XMasterPagesSupplier > xMasterPagesSupplier( rxModel, UNO_QUERY_THROW );
 100         Reference< XDrawPages > xMasterPages( xMasterPagesSupplier->getMasterPages(), UNO_SET_THROW );
 101         for ( sal_Int32 i = 0; i < xMasterPages->getCount(); i++ )
 102         {
 103             Reference< XDrawPage > xMasterPage( xMasterPages->getByIndex( i ), UNO_QUERY_THROW );
 104             auto aIter = std::find_if(rMasterPageList.begin(), rMasterPageList.end(),
 105                 [&xMasterPage](const MasterPageEntity& rEntity) { return rEntity.xMasterPage == xMasterPage; });
 106             if ( aIter == rMasterPageList.end() )
 107             {
 108                 MasterPageEntity aMasterPageEntity;
 109                 aMasterPageEntity.xMasterPage = std::move(xMasterPage);
 110                 aMasterPageEntity.bUsed = false;
 111                 rMasterPageList.push_back( aMasterPageEntity );
 112             }
 113         }
 114
 115         // mark masterpages which are referenced by drawpages
 116         Reference< XDrawPagesSupplier > xDrawPagesSupplier( rxModel, UNO_QUERY_THROW );
 117         Reference< XDrawPages > xDrawPages( xDrawPagesSupplier->getDrawPages(), UNO_SET_THROW );
 118         for ( sal_Int32 j = 0; j < xDrawPages->getCount(); j++ )
 119         {
 120             Reference< XMasterPageTarget > xMasterPageTarget( xDrawPages->getByIndex( j ), UNO_QUERY_THROW );
 121             Reference< XDrawPage > xMasterPage( xMasterPageTarget->getMasterPage(), UNO_SET_THROW );
 122             auto aIter = std::find_if(rMasterPageList.begin(), rMasterPageList.end(),
 123                 [&xMasterPage](const MasterPageEntity& rEntity) { return rEntity.xMasterPage == xMasterPage; });
 124             if ( aIter == rMasterPageList.end() )
 125                 throw uno::RuntimeException();
 126             aIter->bUsed = true;
 127         }
 128     }
 129     catch( Exception& )
 130     {
 131     }
 132 }
 133
 134 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */