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("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     OUString aExtension( aTmp.GetExtension() );
  60     if ( !aExtension.isEmpty() )
  61     {
  62         aExtension = "." + aExtension;
  63     }
  64     return aExtension;
  65 }
  66
  67 bool ExSoundEntry::IsSameURL(const OUString& rURL) const
  68 {
  69     return ( rURL == aSoundURL );
  70 }
  71
  72 sal_uInt32 ExSoundEntry::GetSize( sal_uInt32 nId ) const
  73 {
  74     OUString aName( ImplGetName() );
  75     OUString aExtension( ImplGetExtension() );
  76
  77     sal_uInt32 nSize = 8;                           // SoundContainer Header
  78     if ( !aName.isEmpty() )                         // String Atom          ( instance 0 - name of sound )
  79         nSize += aName.getLength() * 2 + 8;
  80     if ( !aExtension.isEmpty() )                    // String Atom          ( instance 1 - extension of sound )
  81         nSize += aExtension.getLength() * 2 + 8;
  82
  83     OUString aId( OUString::number(nId) );   // String Atom          ( instance 2 - reference id )
  84     nSize += 2 * aId.getLength() + 8;
  85
  86     nSize += nFileSize + 8;                         // SoundData Atom
  87
  88     return nSize;
  89 }
  90
  91 void ExSoundEntry::Write( SvStream& rSt, sal_uInt32 nId ) const
  92 {
  93     try
  94     {
  95         ::ucbhelper::Content aCnt( aSoundURL,
  96             ::com::sun::star::uno::Reference< ::com::sun::star::ucb::XCommandEnvironment >(),
  97             comphelper::getProcessComponentContext() );
  98
  99         // create SoundContainer
 100         rSt.WriteUInt32( ( EPP_Sound << 16 ) | 0xf ).WriteUInt32( GetSize( nId ) - 8 );
 101
 102         OUString aSoundName( ImplGetName() );
 103         sal_Int32 i, nSoundNameLen = aSoundName.getLength();
 104         if ( nSoundNameLen )
 105         {
 106             // name of sound ( instance 0 )
 107             rSt.WriteUInt32( EPP_CString << 16 ).WriteUInt32( nSoundNameLen * 2 );
 108             for ( i = 0; i < nSoundNameLen; ++i )
 109                 rSt.WriteUInt16( aSoundName[i] );
 110         }
 111         OUString aExtension( ImplGetExtension() );
 112         sal_Int32 nExtensionLen = aExtension.getLength();
 113         if ( nExtensionLen )
 114         {
 115             // extension of sound ( instance 1 )
 116             rSt.WriteUInt32( ( EPP_CString << 16 ) | 16 ).WriteUInt32( nExtensionLen * 2 );
 117             for ( i = 0; i < nExtensionLen; ++i )
 118                 rSt.WriteUInt16( aExtension[i] );
 119         }
 120         // id of sound ( instance 2 )
 121         OUString aId( OUString::number(nId ) );
 122         sal_Int32 nIdLen = aId.getLength();
 123         rSt.WriteUInt32( ( EPP_CString << 16 ) | 32 ).WriteUInt32( nIdLen * 2 );
 124         for ( i = 0; i < nIdLen; ++i )
 125             rSt.WriteUInt16( aId[i] );
 126
 127         rSt.WriteUInt32( EPP_SoundData << 16 ).WriteUInt32( nFileSize );
 128         sal_uInt32 nBytesLeft = nFileSize;
 129         SvStream* pSourceFile = ::utl::UcbStreamHelper::CreateStream( aSoundURL, StreamMode::READ );
 130         if ( pSourceFile )
 131         {
 132             sal_uInt8* pBuf = new sal_uInt8[ 0x10000 ];   // 64 kB  Buffer
 133             while ( nBytesLeft )
 134             {
 135                 sal_uInt32 nToDo = ( nBytesLeft > 0x10000 ) ? 0x10000 : nBytesLeft;
 136                 pSourceFile->Read( pBuf, nToDo );
 137                 rSt.Write( pBuf, nToDo );
 138                 nBytesLeft -= nToDo;
 139             }
 140             delete pSourceFile;
 141             delete[] pBuf;
 142         }
 143     }
 144     catch( ::com::sun::star::uno::Exception& )
 145     {
 146
 147     }
 148 }
 149
 150 sal_uInt32 ExSoundCollection::GetId(const OUString& rString)
 151 {
 152     sal_uInt32 nSoundId = 0;
 153     if (!rString.isEmpty())
 154     {
 155         const sal_uInt32 nSoundCount = maEntries.size();
 156         boost::ptr_vector<ExSoundEntry>::const_iterator iter;
 157
 158         for (iter = maEntries.begin(); iter != maEntries.end(); ++iter, ++nSoundId)
 159         {
 160             if (iter->IsSameURL(rString))
 161                 break;
 162         }
 163
 164         if ( nSoundId++ == nSoundCount )
 165         {
 166             ExSoundEntry* pEntry = new ExSoundEntry( rString );
 167             if ( pEntry->GetFileSize() )
 168                 maEntries.push_back(pEntry);
 169             else
 170             {
 171                 nSoundId = 0;   // only insert sounds that are accessible
 172                 delete pEntry;
 173             }
 174         }
 175     }
 176     return nSoundId;
 177 }
 178
 179 sal_uInt32 ExSoundCollection::GetSize() const
 180 {
 181     sal_uInt32 nSize = 0;
 182     if (!maEntries.empty())
 183     {
 184         nSize += 8 + 12;    // size of SoundCollectionContainerHeader + SoundCollAtom
 185         boost::ptr_vector<ExSoundEntry>::const_iterator iter;
 186         sal_uInt32 i = 1;
 187         for ( iter = maEntries.begin(); iter != maEntries.end(); ++iter, ++i)
 188             nSize += iter->GetSize(i);
 189     }
 190     return nSize;
 191 }
 192
 193 void ExSoundCollection::Write( SvStream& rSt ) const
 194 {
 195     if (!maEntries.empty())
 196     {
 197         sal_uInt32 i = 1;
 198         sal_uInt32 nSoundCount = maEntries.size();
 199
 200         // create SoundCollection Container
 201         rSt.WriteUInt16( 0xf ).WriteUInt16( EPP_SoundCollection ).WriteUInt32( GetSize() - 8 );
 202
 203         // create SoundCollAtom ( reference to the next free SoundId );
 204         rSt.WriteUInt32( EPP_SoundCollAtom << 16 ).WriteUInt32( 4 ).WriteUInt32( nSoundCount );
 205
 206         boost::ptr_vector<ExSoundEntry>::const_iterator iter;
 207         for ( iter = maEntries.begin(); iter != maEntries.end(); ++iter, ++i)
 208             iter->Write(rSt,i);
 209     }
 210 }
 211
 212 } // namespace ppt;
 213
 214 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */