sd/source/filter/eppt/pptexsoundcollection.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 <pptexsoundcollection.hxx>
  21 #include "epptdef.hxx"
  22 #include <tools/urlobj.hxx>
  23 #include <ucbhelper/content.hxx>
  24 #include <comphelper/processfactory.hxx>
  25 #include <cppuhelper/proptypehlp.hxx>
  26 #include <unotools/ucbstreamhelper.hxx>
  27
  28 namespace ppt
  29 {
  30
  31 ExSoundEntry::ExSoundEntry(const OUString& rString)
  32     : nFileSize(0)
  33     , aSoundURL(rString)
  34 {
  35     try
  36     {
  37         ::ucbhelper::Content aCnt( aSoundURL,
  38             ::com::sun::star::uno::Reference< ::com::sun::star::ucb::XCommandEnvironment >(),
  39             comphelper::getProcessComponentContext() );
  40         sal_Int64 nVal = 0;
  41         ::cppu::convertPropertyValue( nVal, aCnt.getPropertyValue( OUString( "Size" ) ) );
  42         nFileSize = (sal_uInt32)nVal;
  43     }
  44     catch( ::com::sun::star::uno::Exception& )
  45     {
  46
  47     }
  48 };
  49
  50 OUString ExSoundEntry::ImplGetName() const
  51 {
  52     INetURLObject aTmp( aSoundURL );
  53     return aTmp.GetName();
  54 }
  55
  56 OUString ExSoundEntry::ImplGetExtension() const
  57 {
  58     INetURLObject aTmp( aSoundURL );
  59     String aExtension( aTmp.GetExtension() );
  60     if ( aExtension.Len() )
  61         aExtension.Insert( (sal_Unicode)'.', 0 );
  62     return aExtension;
  63 }
  64
  65 sal_Bool ExSoundEntry::IsSameURL(const OUString& rURL) const
  66 {
  67     return ( rURL == aSoundURL );
  68 }
  69
  70 sal_uInt32 ExSoundEntry::GetSize( sal_uInt32 nId ) const
  71 {
  72     OUString aName( ImplGetName() );
  73     OUString aExtension( ImplGetExtension() );
  74
  75     sal_uInt32 nSize = 8;                           // SoundContainer Header
  76     if ( !aName.isEmpty() )                         // String Atom          ( instance 0 - name of sound )
  77         nSize += aName.getLength() * 2 + 8;
  78     if ( !aExtension.isEmpty() )                    // String Atom          ( instance 1 - extension of sound )
  79         nSize += aExtension.getLength() * 2 + 8;
  80
  81     OUString aId( OUString::number(nId) );   // String Atom          ( instance 2 - reference id )
  82     nSize += 2 * aId.getLength() + 8;
  83
  84     nSize += nFileSize + 8;                         // SoundData Atom
  85
  86     return nSize;
  87 }
  88
  89 void ExSoundEntry::Write( SvStream& rSt, sal_uInt32 nId ) const
  90 {
  91     try
  92     {
  93         ::ucbhelper::Content aCnt( aSoundURL,
  94             ::com::sun::star::uno::Reference< ::com::sun::star::ucb::XCommandEnvironment >(),
  95             comphelper::getProcessComponentContext() );
  96
  97         // create SoundContainer
  98         rSt << (sal_uInt32)( ( EPP_Sound << 16 ) | 0xf ) << (sal_uInt32)( GetSize( nId ) - 8 );
  99
 100         OUString aSoundName( ImplGetName() );
 101         sal_Int32 i, nSoundNameLen = aSoundName.getLength();
 102         if ( nSoundNameLen )
 103         {
 104             // name of sound ( instance 0 )
 105             rSt << (sal_uInt32)( EPP_CString << 16 ) << (sal_uInt32)( nSoundNameLen * 2 );
 106             for ( i = 0; i < nSoundNameLen; ++i )
 107                 rSt << aSoundName[i];
 108         }
 109         OUString aExtension( ImplGetExtension() );
 110         sal_Int32 nExtensionLen = aExtension.getLength();
 111         if ( nExtensionLen )
 112         {
 113             // extension of sound ( instance 1 )
 114             rSt << (sal_uInt32)( ( EPP_CString << 16 ) | 16 ) << (sal_uInt32)( nExtensionLen * 2 );
 115             for ( i = 0; i < nExtensionLen; ++i )
 116                 rSt << aExtension[i];
 117         }
 118         // id of sound ( instance 2 )
 119         OUString aId( OUString::number(nId ) );
 120         sal_Int32 nIdLen = aId.getLength();
 121         rSt << (sal_uInt32)( ( EPP_CString << 16 ) | 32 ) << (sal_uInt32)( nIdLen * 2 );
 122         for ( i = 0; i < nIdLen; ++i )
 123             rSt << aId[i];
 124
 125         rSt << (sal_uInt32)( EPP_SoundData << 16 ) << (sal_uInt32)( nFileSize );
 126         sal_uInt32 nBytesLeft = nFileSize;
 127         SvStream* pSourceFile = ::utl::UcbStreamHelper::CreateStream( aSoundURL, STREAM_READ );
 128         if ( pSourceFile )
 129         {
 130             sal_uInt8* pBuf = new sal_uInt8[ 0x10000 ];   // 64 kB  Buffer
 131             while ( nBytesLeft )
 132             {
 133                 sal_uInt32 nToDo = ( nBytesLeft > 0x10000 ) ? 0x10000 : nBytesLeft;
 134                 pSourceFile->Read( pBuf, nToDo );
 135                 rSt.Write( pBuf, nToDo );
 136                 nBytesLeft -= nToDo;
 137             }
 138             delete pSourceFile;
 139             delete[] pBuf;
 140         }
 141     }
 142     catch( ::com::sun::star::uno::Exception& )
 143     {
 144
 145     }
 146 }
 147
 148 sal_uInt32 ExSoundCollection::GetId(const OUString& rString)
 149 {
 150     sal_uInt32 nSoundId = 0;
 151     if (!rString.isEmpty())
 152     {
 153         const sal_uInt32 nSoundCount = maEntries.size();
 154         boost::ptr_vector<ExSoundEntry>::const_iterator iter;
 155
 156         for (iter = maEntries.begin(); iter != maEntries.end(); ++iter, ++nSoundId)
 157         {
 158             if (iter->IsSameURL(rString))
 159                 break;
 160         }
 161
 162         if ( nSoundId++ == nSoundCount )
 163         {
 164             ExSoundEntry* pEntry = new ExSoundEntry( rString );
 165             if ( pEntry->GetFileSize() )
 166                 maEntries.push_back(pEntry);
 167             else
 168             {
 169                 nSoundId = 0;   // only insert sounds that are accessible
 170                 delete pEntry;
 171             }
 172         }
 173     }
 174     return nSoundId;
 175 }
 176
 177 sal_uInt32 ExSoundCollection::GetSize() const
 178 {
 179     sal_uInt32 nSize = 0;
 180     if (!maEntries.empty())
 181     {
 182         nSize += 8 + 12;    // size of SoundCollectionContainerHeader + SoundCollAtom
 183         boost::ptr_vector<ExSoundEntry>::const_iterator iter;
 184         sal_uInt32 i = 1;
 185         for ( iter = maEntries.begin(); iter != maEntries.end(); ++iter, ++i)
 186             nSize += iter->GetSize(i);
 187     }
 188     return nSize;
 189 }
 190
 191 void ExSoundCollection::Write( SvStream& rSt ) const
 192 {
 193     if (!maEntries.empty())
 194     {
 195         sal_uInt32 i = 1;
 196         sal_uInt32 nSoundCount = maEntries.size();
 197
 198         // create SoundCollection Container
 199         rSt << (sal_uInt16)0xf << (sal_uInt16)EPP_SoundCollection << (sal_uInt32)( GetSize() - 8 );
 200
 201         // create SoundCollAtom ( reference to the next free SoundId );
 202         rSt << (sal_uInt32)( EPP_SoundCollAtom << 16 ) << (sal_uInt32)4 << nSoundCount;
 203
 204         boost::ptr_vector<ExSoundEntry>::const_iterator iter;
 205         for ( iter = maEntries.begin(); iter != maEntries.end(); ++iter, ++i)
 206             iter->Write(rSt,i);
 207     }
 208 }
 209
 210
 211 } // namespace ppt;
 212
 213 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */