filter/source/pdf/pdffilter.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 "pdffilter.hxx"
  21 #include "pdfexport.hxx"
  22 #include <comphelper/processfactory.hxx>
  23 #include <cppuhelper/supportsservice.hxx>
  24 #include <vcl/svapp.hxx>
  25 #include <vcl/window.hxx>
  26 #include <svl/outstrm.hxx>
  27 #include <unotools/ucbstreamhelper.hxx>
  28 #include <vcl/FilterConfigItem.hxx>
  29 #include <memory>
  30
  31
  32 PDFFilter::PDFFilter( const Reference< XComponentContext > &rxContext ) :
  33     mxContext( rxContext )
  34 {
  35 }
  36
  37
  38 PDFFilter::~PDFFilter()
  39 {
  40 }
  41
  42
  43 bool PDFFilter::implExport( const Sequence< PropertyValue >& rDescriptor )
  44 {
  45     Reference< XOutputStream >  xOStm;
  46     Sequence< PropertyValue >   aFilterData;
  47     sal_Int32                   nLength = rDescriptor.getLength();
  48     const PropertyValue*        pValue = rDescriptor.getConstArray();
  49     bool                        bIsRedactMode = false;
  50     bool                    bRet = false;
  51     Reference< task::XStatusIndicator > xStatusIndicator;
  52     Reference< task::XInteractionHandler > xIH;
  53
  54     for (sal_Int32 i = 0 ; ( i < nLength ) && !xOStm.is(); ++i)
  55     {
  56         if ( pValue[ i ].Name == "OutputStream" )
  57             pValue[ i ].Value >>= xOStm;
  58         else if ( pValue[ i ].Name == "FilterData" )
  59             pValue[ i ].Value >>= aFilterData;
  60         else if ( pValue[ i ].Name == "StatusIndicator" )
  61             pValue[ i ].Value >>= xStatusIndicator;
  62         else if ( pValue[i].Name == "InteractionHandler" )
  63             pValue[i].Value >>= xIH;
  64     }
  65
  66     for (sal_Int32 i = 0 ; i < nLength; ++i)
  67     {
  68         if ( pValue[i].Name == "IsRedactMode")
  69             pValue[i].Value >>= bIsRedactMode;
  70     }
  71
  72     /* we don't get FilterData if we are exporting directly
  73        to pdf, but we have to use the last user settings (especially for the CompressMode) */
  74     if ( !aFilterData.hasElements() )
  75     {
  76         FilterConfigItem aCfgItem( "Office.Common/Filter/PDF/Export/" );
  77         aCfgItem.ReadBool(  "UseLosslessCompression", false );
  78         aCfgItem.ReadInt32( "Quality", 90 );
  79         aCfgItem.ReadBool(  "ReduceImageResolution", false );
  80         aCfgItem.ReadInt32( "MaxImageResolution", 300 );
  81         aCfgItem.ReadBool(  "UseTaggedPDF", false );
  82         aCfgItem.ReadInt32( "SelectPdfVersion", 0 );
  83         aCfgItem.ReadBool(  "ExportNotes", false );
  84         aCfgItem.ReadBool( "ExportPlaceholders", false );
  85         aCfgItem.ReadBool(  "ExportNotesPages", false );
  86         aCfgItem.ReadBool(  "ExportOnlyNotesPages", false );
  87         aCfgItem.ReadBool(  "UseTransitionEffects", true );
  88         aCfgItem.ReadBool(  "IsSkipEmptyPages", false );
  89         aCfgItem.ReadBool(  "ExportFormFields", true );
  90         aCfgItem.ReadInt32( "FormsType", 0 );
  91         aCfgItem.ReadBool(  "HideViewerToolbar", false );
  92         aCfgItem.ReadBool(  "HideViewerMenubar", false );
  93         aCfgItem.ReadBool(  "HideViewerWindowControls", false );
  94         aCfgItem.ReadBool(  "ResizeWindowToInitialPage", false );
  95         aCfgItem.ReadBool(  "CenterWindow", false );
  96         aCfgItem.ReadBool(  "OpenInFullScreenMode", false );
  97         aCfgItem.ReadBool(  "DisplayPDFDocumentTitle", true );
  98         aCfgItem.ReadInt32( "InitialView", 0 );
  99         aCfgItem.ReadInt32( "Magnification", 0 );
 100         aCfgItem.ReadInt32( "Zoom", 100 );
 101         aCfgItem.ReadInt32( "PageLayout", 0 );
 102         aCfgItem.ReadBool(  "FirstPageOnLeft", false );
 103         aCfgItem.ReadInt32( "InitialPage", 1 );
 104         aCfgItem.ReadBool(  "IsAddStream", false );
 105
 106         // the encryption is not available when exporting directly, since the encryption is off by default and the selection
 107         // (encrypt or not) is not persistent; it's available through macro though,
 108         // provided the correct property values are set, see help
 109
 110         // now, the relative link stuff
 111         aCfgItem.ReadBool( "ExportLinksRelativeFsys", false );
 112         aCfgItem.ReadInt32("PDFViewSelection", 0 );
 113         aCfgItem.ReadBool( "ConvertOOoTargetToPDFTarget", false );
 114         aCfgItem.ReadBool( "ExportBookmarksToPDFDestination", false );
 115
 116         aCfgItem.ReadBool(  "ExportBookmarks", true );
 117         aCfgItem.ReadBool(  "ExportHiddenSlides", false );
 118         aCfgItem.ReadBool(  "SinglePageSheets", false );
 119         aCfgItem.ReadInt32( "OpenBookmarkLevels", -1 );
 120
 121         aCfgItem.ReadBool( "IsRedactMode", false);
 122
 123         aFilterData = aCfgItem.GetFilterData();
 124     }
 125
 126
 127     if (bIsRedactMode)
 128     {
 129         bool bFound = false;
 130
 131         for (int i = 0; i < aFilterData.getLength(); ++i)
 132         {
 133             if (aFilterData[i].Name == "IsRedactMode")
 134             {
 135                 aFilterData[i].Value <<= bIsRedactMode;
 136                 bFound = true;
 137                 break;
 138             }
 139         }
 140
 141         if (!bFound)
 142         {
 143             sal_Int32 nNewSize = aFilterData.getLength() + 1;
 144             aFilterData.realloc( nNewSize );
 145             aFilterData[nNewSize - 1].Name = "IsRedactMode";
 146             aFilterData[nNewSize - 1].Value <<= bIsRedactMode;
 147         }
 148     }
 149
 150     if( mxSrcDoc.is() && xOStm.is() )
 151     {
 152         PDFExport       aExport( mxSrcDoc, xStatusIndicator, xIH, mxContext );
 153         ::utl::TempFile aTempFile;
 154
 155         aTempFile.EnableKillingFile();
 156         bRet = aExport.Export( aTempFile.GetURL(), aFilterData );
 157
 158         if( bRet )
 159         {
 160             std::unique_ptr<SvStream> pIStm(::utl::UcbStreamHelper::CreateStream( aTempFile.GetURL(), StreamMode::READ ));
 161
 162             if( pIStm )
 163             {
 164                 SvOutputStream aOStm( xOStm );
 165
 166                 aOStm.WriteStream( *pIStm );
 167                 bRet = ( aOStm.Tell() && ( aOStm.GetError() == ERRCODE_NONE ) );
 168             }
 169         }
 170     }
 171
 172     return bRet;
 173 }
 174
 175
 176 class FocusWindowWaitCursor
 177 {
 178 private:
 179
 180     VclPtr<vcl::Window>         m_pFocusWindow;
 181
 182 public:
 183     FocusWindowWaitCursor() :
 184         m_pFocusWindow( Application::GetFocusWindow() )
 185     {
 186         if( m_pFocusWindow )
 187         {
 188             m_pFocusWindow->AddEventListener( LINK( this, FocusWindowWaitCursor, DestroyedLink ) );
 189             m_pFocusWindow->EnterWait();
 190         }
 191     }
 192
 193     ~FocusWindowWaitCursor()
 194     {
 195         if( m_pFocusWindow )
 196         {
 197             m_pFocusWindow->LeaveWait();
 198             m_pFocusWindow->RemoveEventListener( LINK( this, FocusWindowWaitCursor, DestroyedLink ) );
 199         }
 200     }
 201
 202     DECL_LINK( DestroyedLink, VclWindowEvent&, void );
 203 };
 204
 205
 206 IMPL_LINK( FocusWindowWaitCursor, DestroyedLink, VclWindowEvent&, rEvent, void )
 207 {
 208     if( rEvent.GetId() == VclEventId::ObjectDying )
 209         m_pFocusWindow = nullptr;
 210 }
 211
 212
 213 sal_Bool SAL_CALL PDFFilter::filter( const Sequence< PropertyValue >& rDescriptor )
 214 {
 215     FocusWindowWaitCursor aCur;
 216
 217     const bool bRet = implExport( rDescriptor );
 218
 219     return bRet;
 220 }
 221
 222
 223 void SAL_CALL PDFFilter::cancel( )
 224 {
 225 }
 226
 227
 228 void SAL_CALL PDFFilter::setSourceDocument( const Reference< XComponent >& xDoc )
 229 {
 230     mxSrcDoc = xDoc;
 231 }
 232
 233
 234 void SAL_CALL PDFFilter::initialize( const css::uno::Sequence< css::uno::Any >& )
 235 {
 236 }
 237
 238
 239 OUString PDFFilter_getImplementationName ()
 240 {
 241     return "com.sun.star.comp.PDF.PDFFilter";
 242 }
 243
 244
 245 Sequence< OUString > PDFFilter_getSupportedServiceNames(  )
 246 {
 247     Sequence<OUString> aRet { "com.sun.star.document.PDFFilter" };
 248     return aRet;
 249 }
 250
 251
 252 Reference< XInterface > PDFFilter_createInstance( const Reference< XMultiServiceFactory > & rSMgr)
 253 {
 254     return static_cast<cppu::OWeakObject*>(new PDFFilter( comphelper::getComponentContext(rSMgr) ));
 255 }
 256
 257
 258 OUString SAL_CALL PDFFilter::getImplementationName()
 259 {
 260     return PDFFilter_getImplementationName();
 261 }
 262
 263
 264 sal_Bool SAL_CALL PDFFilter::supportsService( const OUString& rServiceName )
 265 {
 266     return cppu::supportsService( this, rServiceName );
 267 }
 268
 269
 270 css::uno::Sequence< OUString > SAL_CALL PDFFilter::getSupportedServiceNames(  )
 271 {
 272     return PDFFilter_getSupportedServiceNames();
 273 }
 274
 275 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */