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Diffstat (limited to 'sd/source/filter/eppt/pptexsoundcollection.cxx')
| -rw-r--r-- | sd/source/filter/eppt/pptexsoundcollection.cxx | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/sd/source/filter/eppt/pptexsoundcollection.cxx b/sd/source/filter/eppt/pptexsoundcollection.cxx new file mode 100644 index 0000000000..65c537a6f4 --- /dev/null +++ b/sd/source/filter/eppt/pptexsoundcollection.cxx @@ -0,0 +1,214 @@ +/* -*- 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 <memory> +#include "pptexsoundcollection.hxx" +#include "epptdef.hxx" +#include <tools/stream.hxx> +#include <tools/urlobj.hxx> +#include <ucbhelper/content.hxx> +#include <comphelper/processfactory.hxx> +#include <unotools/ucbstreamhelper.hxx> +#include <utility> + +namespace ppt +{ + +ExSoundEntry::ExSoundEntry(OUString aString) + : nFileSize(0) + , aSoundURL(std::move(aString)) +{ + try + { + ::ucbhelper::Content aCnt( aSoundURL, + css::uno::Reference< css::ucb::XCommandEnvironment >(), + comphelper::getProcessComponentContext() ); + sal_Int64 nVal = 0; + aCnt.getPropertyValue("Size") >>= nVal; + nFileSize = static_cast<sal_uInt32>(nVal); + } + catch( css::uno::Exception& ) + { + + } +}; + +OUString ExSoundEntry::ImplGetName() const +{ + INetURLObject aTmp( aSoundURL ); + return aTmp.GetLastName(); +} + +OUString ExSoundEntry::ImplGetExtension() const +{ + INetURLObject aTmp( aSoundURL ); + OUString aExtension(aTmp.GetFileExtension()); + if ( !aExtension.isEmpty() ) + { + aExtension = "." + aExtension; + } + return aExtension; +} + +bool ExSoundEntry::IsSameURL(std::u16string_view rURL) const +{ + return ( rURL == aSoundURL ); +} + +sal_uInt32 ExSoundEntry::GetSize( sal_uInt32 nId ) const +{ + OUString aName( ImplGetName() ); + OUString aExtension( ImplGetExtension() ); + + sal_uInt32 nSize = 8; // SoundContainer Header + if ( !aName.isEmpty() ) // String Atom ( instance 0 - name of sound ) + nSize += aName.getLength() * 2 + 8; + if ( !aExtension.isEmpty() ) // String Atom ( instance 1 - extension of sound ) + nSize += aExtension.getLength() * 2 + 8; + + OUString aId( OUString::number(nId) ); // String Atom ( instance 2 - reference id ) + nSize += 2 * aId.getLength() + 8; + + nSize += nFileSize + 8; // SoundData Atom + + return nSize; +} + +void ExSoundEntry::Write( SvStream& rSt, sal_uInt32 nId ) const +{ + try + { + ::ucbhelper::Content aLoadContentIfExists( aSoundURL, + css::uno::Reference< css::ucb::XCommandEnvironment >(), + comphelper::getProcessComponentContext() ); + + // create SoundContainer + rSt.WriteUInt32( ( EPP_Sound << 16 ) | 0xf ).WriteUInt32( GetSize( nId ) - 8 ); + + OUString aSoundName( ImplGetName() ); + sal_Int32 i, nSoundNameLen = aSoundName.getLength(); + if ( nSoundNameLen ) + { + // name of sound ( instance 0 ) + rSt.WriteUInt32( EPP_CString << 16 ).WriteUInt32( nSoundNameLen * 2 ); + for ( i = 0; i < nSoundNameLen; ++i ) + rSt.WriteUInt16( aSoundName[i] ); + } + OUString aExtension( ImplGetExtension() ); + sal_Int32 nExtensionLen = aExtension.getLength(); + if ( nExtensionLen ) + { + // extension of sound ( instance 1 ) + rSt.WriteUInt32( ( EPP_CString << 16 ) | 16 ).WriteUInt32( nExtensionLen * 2 ); + for ( i = 0; i < nExtensionLen; ++i ) + rSt.WriteUInt16( aExtension[i] ); + } + // id of sound ( instance 2 ) + OUString aId( OUString::number(nId ) ); + sal_Int32 nIdLen = aId.getLength(); + rSt.WriteUInt32( ( EPP_CString << 16 ) | 32 ).WriteUInt32( nIdLen * 2 ); + for ( i = 0; i < nIdLen; ++i ) + rSt.WriteUInt16( aId[i] ); + + rSt.WriteUInt32( EPP_SoundData << 16 ).WriteUInt32( nFileSize ); + sal_uInt32 nBytesLeft = nFileSize; + std::unique_ptr<SvStream> pSourceFile = ::utl::UcbStreamHelper::CreateStream( aSoundURL, StreamMode::READ ); + if ( pSourceFile ) + { + std::unique_ptr<sal_uInt8[]> pBuf( new sal_uInt8[ 0x10000 ] ); // 64 kB Buffer + while ( nBytesLeft ) + { + sal_uInt32 nToDo = std::min<sal_uInt32>( nBytesLeft, 0x10000 ); + pSourceFile->ReadBytes(pBuf.get(), nToDo); + rSt.WriteBytes(pBuf.get(), nToDo); + nBytesLeft -= nToDo; + } + } + } + catch( css::uno::Exception& ) + { + + } +} + +sal_uInt32 ExSoundCollection::GetId(const OUString& rString) +{ + sal_uInt32 nSoundId = 0; + if (!rString.isEmpty()) + { + const sal_uInt32 nSoundCount = maEntries.size(); + + auto iter = std::find_if(maEntries.begin(), maEntries.end(), + [&rString](const ExSoundEntry& rEntry) { return rEntry.IsSameURL(rString); }); + nSoundId = static_cast<sal_uInt32>(std::distance(maEntries.begin(), iter)); + + if ( nSoundId++ == nSoundCount ) + { + ExSoundEntry aEntry( rString ); + if ( aEntry.GetFileSize() ) + maEntries.push_back(aEntry); + else + { + nSoundId = 0; // only insert sounds that are accessible + } + } + } + return nSoundId; +} + +sal_uInt32 ExSoundCollection::GetSize() const +{ + sal_uInt32 nSize = 0; + if (!maEntries.empty()) + { + nSize += 8 + 12; // size of SoundCollectionContainerHeader + SoundCollAtom + sal_uInt32 i = 1; + for ( const auto& rEntry : maEntries ) + { + nSize += rEntry.GetSize(i); + ++i; + } + } + return nSize; +} + +void ExSoundCollection::Write( SvStream& rSt ) const +{ + if (maEntries.empty()) + return; + + sal_uInt32 i = 1; + sal_uInt32 nSoundCount = maEntries.size(); + + // create SoundCollection Container + rSt.WriteUInt16( 0xf ).WriteUInt16( EPP_SoundCollection ).WriteUInt32( GetSize() - 8 ); + + // create SoundCollAtom ( reference to the next free SoundId ); + rSt.WriteUInt32( EPP_SoundCollAtom << 16 ).WriteUInt32( 4 ).WriteUInt32( nSoundCount ); + + for ( const auto& rEntry : maEntries ) + { + rEntry.Write(rSt,i); + ++i; + } +} + +} // namespace ppt; + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |