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office-gobmx/embeddedobj/source/msole/olepersist.cxx
Tor Lillqvist cca12f114e Fix compilation error 
Avoid temporary variable that was moved from a nested block in
previous commit, but had the same name as a variable alredy existing
in this block.
2011-04-29 11:37:49 +03:00

2132 lines
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_embeddedobj.hxx"
#include <oleembobj.hxx>
#include <com/sun/star/embed/EmbedStates.hpp>
#include <com/sun/star/embed/EmbedVerbs.hpp>
#include <com/sun/star/embed/EntryInitModes.hpp>
#include <com/sun/star/embed/XStorage.hpp>
#include <com/sun/star/embed/XTransactedObject.hpp>
#include <com/sun/star/embed/ElementModes.hpp>
#include <com/sun/star/embed/EmbedUpdateModes.hpp>
#include <com/sun/star/embed/Aspects.hpp>
#include <com/sun/star/embed/XOptimizedStorage.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#include <com/sun/star/container/XNameAccess.hpp>
#include <com/sun/star/container/XNameContainer.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <com/sun/star/io/XTruncate.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/ucb/XSimpleFileAccess.hpp>
#include <rtl/logfile.hxx>
#include <comphelper/storagehelper.hxx>
#include <comphelper/mimeconfighelper.hxx>
#include <comphelper/classids.hxx>
#include <olecomponent.hxx>
#include <closepreventer.hxx>
using namespace ::com::sun::star;
using namespace ::comphelper;
//-------------------------------------------------------------------------
sal_Bool KillFile_Impl( const ::rtl::OUString& aURL, const uno::Reference< lang::XMultiServiceFactory >& xFactory )
{
if ( !xFactory.is() )
return sal_False;
sal_Bool bRet = sal_False;
try
{
uno::Reference < ucb::XSimpleFileAccess > xAccess(
xFactory->createInstance (
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.ucb.SimpleFileAccess" ) )),
uno::UNO_QUERY );
if ( xAccess.is() )
{
xAccess->kill( aURL );
bRet = sal_True;
}
}
catch( uno::Exception& )
{
}
return bRet;
}
//----------------------------------------------
::rtl::OUString GetNewTempFileURL_Impl( const uno::Reference< lang::XMultiServiceFactory >& xFactory )
{
OSL_ENSURE( xFactory.is(), "No factory is provided!\n" );
::rtl::OUString aResult;
uno::Reference < beans::XPropertySet > xTempFile(
xFactory->createInstance( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.io.TempFile" ) )),
uno::UNO_QUERY );
if ( !xTempFile.is() )
throw uno::RuntimeException(); // TODO
try {
xTempFile->setPropertyValue( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "RemoveFile" )), uno::makeAny( sal_False ) );
uno::Any aUrl = xTempFile->getPropertyValue( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "Uri" ) ));
aUrl >>= aResult;
}
catch ( uno::Exception& )
{
}
if ( !aResult.getLength() )
throw uno::RuntimeException(); // TODO: can not create tempfile
return aResult;
}
//-----------------------------------------------
::rtl::OUString GetNewFilledTempFile_Impl( const uno::Reference< io::XInputStream >& xInStream,
const uno::Reference< lang::XMultiServiceFactory >& xFactory )
throw ( io::IOException,
uno::RuntimeException )
{
OSL_ENSURE( xInStream.is() && xFactory.is(), "Wrong parameters are provided!\n" );
::rtl::OUString aResult = GetNewTempFileURL_Impl( xFactory );
if ( aResult.getLength() )
{
try {
uno::Reference < ucb::XSimpleFileAccess > xTempAccess(
xFactory->createInstance (
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.ucb.SimpleFileAccess" ) )),
uno::UNO_QUERY );
if ( !xTempAccess.is() )
throw uno::RuntimeException(); // TODO:
uno::Reference< io::XOutputStream > xTempOutStream = xTempAccess->openFileWrite( aResult );
if ( xTempOutStream.is() )
{
// copy stream contents to the file
::comphelper::OStorageHelper::CopyInputToOutput( xInStream, xTempOutStream );
xTempOutStream->closeOutput();
xTempOutStream = uno::Reference< io::XOutputStream >();
}
else
throw io::IOException(); // TODO:
}
catch( packages::WrongPasswordException& )
{
KillFile_Impl( aResult, xFactory );
throw io::IOException(); //TODO:
}
catch( io::IOException& )
{
KillFile_Impl( aResult, xFactory );
throw;
}
catch( uno::RuntimeException& )
{
KillFile_Impl( aResult, xFactory );
throw;
}
catch( uno::Exception& )
{
KillFile_Impl( aResult, xFactory );
aResult = ::rtl::OUString();
}
}
return aResult;
}
#ifdef WNT
::rtl::OUString GetNewFilledTempFile_Impl( const uno::Reference< embed::XOptimizedStorage >& xParentStorage, const ::rtl::OUString& aEntryName, const uno::Reference< lang::XMultiServiceFactory >& xFactory )
throw( io::IOException, uno::RuntimeException )
{
::rtl::OUString aResult;
try
{
uno::Reference < beans::XPropertySet > xTempFile(
xFactory->createInstance( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.io.TempFile" ) )),
uno::UNO_QUERY );
uno::Reference < io::XStream > xTempStream( xTempFile, uno::UNO_QUERY_THROW );
xParentStorage->copyStreamElementData( aEntryName, xTempStream );
xTempFile->setPropertyValue( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "RemoveFile" )), uno::makeAny( sal_False ) );
uno::Any aUrl = xTempFile->getPropertyValue( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "Uri" ) ));
aUrl >>= aResult;
}
catch( uno::RuntimeException& )
{
throw;
}
catch( uno::Exception& )
{
}
if ( !aResult.getLength() )
throw io::IOException();
return aResult;
}
//------------------------------------------------------
void SetStreamMediaType_Impl( const uno::Reference< io::XStream >& xStream, const ::rtl::OUString& aMediaType )
{
uno::Reference< beans::XPropertySet > xPropSet( xStream, uno::UNO_QUERY );
if ( !xPropSet.is() )
throw uno::RuntimeException(); // TODO: all the storage streams must support XPropertySet
xPropSet->setPropertyValue( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "MediaType" )), uno::makeAny( aMediaType ) );
}
#endif
//------------------------------------------------------
void LetCommonStoragePassBeUsed_Impl( const uno::Reference< io::XStream >& xStream )
{
uno::Reference< beans::XPropertySet > xPropSet( xStream, uno::UNO_QUERY );
if ( !xPropSet.is() )
throw uno::RuntimeException(); // Only StorageStreams must be provided here, they must implement the interface
xPropSet->setPropertyValue( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "UseCommonStoragePasswordEncryption" )),
uno::makeAny( (sal_Bool)sal_True ) );
}
#ifdef WNT
//------------------------------------------------------
void VerbExecutionController::StartControlExecution()
{
osl::MutexGuard aGuard( m_aVerbExecutionMutex );
// the class is used to detect STAMPIT object, that can never be active
if ( !m_bVerbExecutionInProgress && !m_bWasEverActive )
{
m_bVerbExecutionInProgress = sal_True;
m_nVerbExecutionThreadIdentifier = osl_getThreadIdentifier( NULL );
m_bChangedOnVerbExecution = sal_False;
}
}
//------------------------------------------------------
sal_Bool VerbExecutionController::EndControlExecution_WasModified()
{
osl::MutexGuard aGuard( m_aVerbExecutionMutex );
sal_Bool bResult = sal_False;
if ( m_bVerbExecutionInProgress && m_nVerbExecutionThreadIdentifier == osl_getThreadIdentifier( NULL ) )
{
bResult = m_bChangedOnVerbExecution;
m_bVerbExecutionInProgress = sal_False;
}
return bResult;
}
//------------------------------------------------------
void VerbExecutionController::ModificationNotificationIsDone()
{
osl::MutexGuard aGuard( m_aVerbExecutionMutex );
if ( m_bVerbExecutionInProgress && osl_getThreadIdentifier( NULL ) == m_nVerbExecutionThreadIdentifier )
m_bChangedOnVerbExecution = sal_True;
}
#endif
//-----------------------------------------------
void VerbExecutionController::LockNotification()
{
osl::MutexGuard aGuard( m_aVerbExecutionMutex );
if ( m_nNotificationLock < SAL_MAX_INT32 )
m_nNotificationLock++;
}
//-----------------------------------------------
void VerbExecutionController::UnlockNotification()
{
osl::MutexGuard aGuard( m_aVerbExecutionMutex );
if ( m_nNotificationLock > 0 )
m_nNotificationLock--;
}
//-----------------------------------------------
uno::Reference< io::XStream > OleEmbeddedObject::GetNewFilledTempStream_Impl( const uno::Reference< io::XInputStream >& xInStream )
throw( io::IOException )
{
OSL_ENSURE( xInStream.is(), "Wrong parameter is provided!\n" );
uno::Reference < io::XStream > xTempFile(
m_xFactory->createInstance( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.io.TempFile" ) )),
uno::UNO_QUERY_THROW );
uno::Reference< io::XOutputStream > xTempOutStream = xTempFile->getOutputStream();
if ( xTempOutStream.is() )
{
::comphelper::OStorageHelper::CopyInputToOutput( xInStream, xTempOutStream );
xTempOutStream->flush();
}
else
throw io::IOException(); // TODO:
return xTempFile;
}
//------------------------------------------------------
uno::Reference< io::XStream > OleEmbeddedObject::TryToGetAcceptableFormat_Impl( const uno::Reference< io::XStream >& xStream )
throw ( uno::Exception )
{
// TODO/LATER: Actually this should be done by a centralized component ( may be a graphical filter )
if ( !m_xFactory.is() )
throw uno::RuntimeException();
uno::Reference< io::XInputStream > xInStream = xStream->getInputStream();
if ( !xInStream.is() )
throw uno::RuntimeException();
uno::Reference< io::XSeekable > xSeek( xStream, uno::UNO_QUERY_THROW );
xSeek->seek( 0 );
uno::Sequence< sal_Int8 > aData( 8 );
sal_Int32 nRead = xInStream->readBytes( aData, 8 );
xSeek->seek( 0 );
if ( ( nRead >= 2 && aData[0] == 'B' && aData[1] == 'M' )
|| ( nRead >= 4 && aData[0] == 1 && aData[1] == 0 && aData[2] == 9 && aData[3] == 0 ) )
{
// it should be a bitmap or a Metafile
return xStream;
}
sal_uInt32 nHeaderOffset = 0;
if ( ( nRead >= 8 && aData[0] == -1 && aData[1] == -1 && aData[2] == -1 && aData[3] == -1 )
&& ( aData[4] == 2 || aData[4] == 3 || aData[4] == 14 ) && aData[5] == 0 && aData[6] == 0 && aData[7] == 0 )
{
nHeaderOffset = 40;
xSeek->seek( 8 );
// TargetDevice might be used in future, currently the cache has specified NULL
uno::Sequence< sal_Int8 > aHeadData( 4 );
nRead = xInStream->readBytes( aHeadData, 4 );
sal_uInt32 nLen = 0;
if ( nRead == 4 && aHeadData.getLength() == 4 )
nLen = ( ( ( (sal_uInt32)aHeadData[3] * 0x100 + (sal_uInt32)aHeadData[2] ) * 0x100 ) + (sal_uInt32)aHeadData[1] ) * 0x100 + (sal_uInt32)aHeadData[0];
if ( nLen > 4 )
{
xInStream->skipBytes( nLen - 4 );
nHeaderOffset += nLen - 4;
}
}
else if ( nRead > 4 )
{
// check whether the first bytes represent the size
sal_uInt32 nSize = 0;
for ( sal_Int32 nInd = 3; nInd >= 0; nInd-- )
nSize = ( nSize << 8 ) + (sal_uInt8)aData[nInd];
if ( nSize == xSeek->getLength() - 4 )
nHeaderOffset = 4;
}
if ( nHeaderOffset )
{
// this is either a bitmap or a metafile clipboard format, retrieve the pure stream
uno::Reference < io::XStream > xResult(
m_xFactory->createInstance( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.io.TempFile" ) )),
uno::UNO_QUERY_THROW );
uno::Reference < io::XSeekable > xResultSeek( xResult, uno::UNO_QUERY_THROW );
uno::Reference < io::XOutputStream > xResultOut = xResult->getOutputStream();
uno::Reference < io::XInputStream > xResultIn = xResult->getInputStream();
if ( !xResultOut.is() || !xResultIn.is() )
throw uno::RuntimeException();
xSeek->seek( nHeaderOffset ); // header size for these formats
::comphelper::OStorageHelper::CopyInputToOutput( xInStream, xResultOut );
xResultOut->closeOutput();
xResultSeek->seek( 0 );
xSeek->seek( 0 );
return xResult;
}
return uno::Reference< io::XStream >();
}
//------------------------------------------------------
void OleEmbeddedObject::InsertVisualCache_Impl( const uno::Reference< io::XStream >& xTargetStream,
const uno::Reference< io::XStream >& xCachedVisualRepresentation )
throw ( uno::Exception )
{
OSL_ENSURE( xTargetStream.is() && xCachedVisualRepresentation.is(), "Invalid argumants!\n" );
if ( !xTargetStream.is() || !xCachedVisualRepresentation.is() )
throw uno::RuntimeException();
uno::Sequence< uno::Any > aArgs( 2 );
aArgs[0] <<= xTargetStream;
aArgs[1] <<= (sal_Bool)sal_True; // do not create copy
uno::Reference< container::XNameContainer > xNameContainer(
m_xFactory->createInstanceWithArguments(
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.embed.OLESimpleStorage" )),
aArgs ),
uno::UNO_QUERY );
if ( !xNameContainer.is() )
throw uno::RuntimeException();
uno::Reference< io::XSeekable > xCachedSeek( xCachedVisualRepresentation, uno::UNO_QUERY_THROW );
if ( xCachedSeek.is() )
xCachedSeek->seek( 0 );
uno::Reference < io::XStream > xTempFile(
m_xFactory->createInstance( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.io.TempFile" ) )),
uno::UNO_QUERY_THROW );
uno::Reference< io::XSeekable > xTempSeek( xTempFile, uno::UNO_QUERY_THROW );
uno::Reference< io::XOutputStream > xTempOutStream = xTempFile->getOutputStream();
if ( xTempOutStream.is() )
{
// the OlePres stream must have additional header
// TODO/LATER: might need to be extended in future ( actually makes sence only for SO7 format )
uno::Reference< io::XInputStream > xInCacheStream = xCachedVisualRepresentation->getInputStream();
if ( !xInCacheStream.is() )
throw uno::RuntimeException();
// write 0xFFFFFFFF at the beginning
uno::Sequence< sal_Int8 > aData( 4 );
*( (sal_uInt32*)aData.getArray() ) = 0xFFFFFFFF;
xTempOutStream->writeBytes( aData );
// write clipboard format
uno::Sequence< sal_Int8 > aSigData( 2 );
xInCacheStream->readBytes( aSigData, 2 );
if ( aSigData.getLength() < 2 )
throw io::IOException();
if ( aSigData[0] == 'B' && aSigData[1] == 'M' )
{
// it's a bitmap
aData[0] = 0x02; aData[1] = 0; aData[2] = 0; aData[3] = 0;
}
else
{
// treat it as a metafile
aData[0] = 0x03; aData[1] = 0; aData[2] = 0; aData[3] = 0;
}
xTempOutStream->writeBytes( aData );
// write job related information
aData[0] = 0x04; aData[1] = 0; aData[2] = 0; aData[3] = 0;
xTempOutStream->writeBytes( aData );
// write aspect
aData[0] = 0x01; aData[1] = 0; aData[2] = 0; aData[3] = 0;
xTempOutStream->writeBytes( aData );
// write l-index
*( (sal_uInt32*)aData.getArray() ) = 0xFFFFFFFF;
xTempOutStream->writeBytes( aData );
// write adv. flags
aData[0] = 0x02; aData[1] = 0; aData[2] = 0; aData[3] = 0;
xTempOutStream->writeBytes( aData );
// write compression
*( (sal_uInt32*)aData.getArray() ) = 0x0;
xTempOutStream->writeBytes( aData );
// get the size
awt::Size aSize = getVisualAreaSize( embed::Aspects::MSOLE_CONTENT );
sal_Int32 nIndex = 0;
// write width
for ( nIndex = 0; nIndex < 4; nIndex++ )
{
aData[nIndex] = (sal_Int8)( aSize.Width % 0x100 );
aSize.Width /= 0x100;
}
xTempOutStream->writeBytes( aData );
// write height
for ( nIndex = 0; nIndex < 4; nIndex++ )
{
aData[nIndex] = (sal_Int8)( aSize.Height % 0x100 );
aSize.Height /= 0x100;
}
xTempOutStream->writeBytes( aData );
// write garbage, it will be overwritten by the size
xTempOutStream->writeBytes( aData );
// write first bytes that was used to detect the type
xTempOutStream->writeBytes( aSigData );
// write the rest of the stream
::comphelper::OStorageHelper::CopyInputToOutput( xInCacheStream, xTempOutStream );
// write the size of the stream
sal_Int64 nLength = xTempSeek->getLength() - 40;
if ( nLength < 0 || nLength >= 0xFFFFFFFF )
{
OSL_FAIL( "Length is not acceptable!" );
return;
}
for ( sal_Int32 nInd = 0; nInd < 4; nInd++ )
{
aData[nInd] = (sal_Int8)( ( (sal_uInt64) nLength ) % 0x100 );
nLength /= 0x100;
}
xTempSeek->seek( 36 );
xTempOutStream->writeBytes( aData );
xTempOutStream->flush();
xTempSeek->seek( 0 );
if ( xCachedSeek.is() )
xCachedSeek->seek( 0 );
}
else
throw io::IOException(); // TODO:
// insert the result file as replacement image
::rtl::OUString aCacheName = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "\002OlePres000" ));
if ( xNameContainer->hasByName( aCacheName ) )
xNameContainer->replaceByName( aCacheName, uno::makeAny( xTempFile ) );
else
xNameContainer->insertByName( aCacheName, uno::makeAny( xTempFile ) );
uno::Reference< embed::XTransactedObject > xTransacted( xNameContainer, uno::UNO_QUERY );
if ( !xTransacted.is() )
throw uno::RuntimeException();
xTransacted->commit();
}
//------------------------------------------------------
void OleEmbeddedObject::RemoveVisualCache_Impl( const uno::Reference< io::XStream >& xTargetStream )
throw ( uno::Exception )
{
OSL_ENSURE( xTargetStream.is(), "Invalid argumant!\n" );
if ( !xTargetStream.is() )
throw uno::RuntimeException();
uno::Sequence< uno::Any > aArgs( 2 );
aArgs[0] <<= xTargetStream;
aArgs[1] <<= (sal_Bool)sal_True; // do not create copy
uno::Reference< container::XNameContainer > xNameContainer(
m_xFactory->createInstanceWithArguments(
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.embed.OLESimpleStorage" )),
aArgs ),
uno::UNO_QUERY );
if ( !xNameContainer.is() )
throw uno::RuntimeException();
for ( sal_uInt8 nInd = 0; nInd < 10; nInd++ )
{
::rtl::OUString aStreamName(RTL_CONSTASCII_USTRINGPARAM( "\002OlePres00" ));
aStreamName += ::rtl::OUString::valueOf( (sal_Int32)nInd );
if ( xNameContainer->hasByName( aStreamName ) )
xNameContainer->removeByName( aStreamName );
}
uno::Reference< embed::XTransactedObject > xTransacted( xNameContainer, uno::UNO_QUERY );
if ( !xTransacted.is() )
throw uno::RuntimeException();
xTransacted->commit();
}
//------------------------------------------------------
void OleEmbeddedObject::SetVisReplInStream( sal_Bool bExists )
{
m_bVisReplInitialized = sal_True;
m_bVisReplInStream = bExists;
}
//------------------------------------------------------
sal_Bool OleEmbeddedObject::HasVisReplInStream()
{
if ( !m_bVisReplInitialized )
{
if ( m_xCachedVisualRepresentation.is() )
SetVisReplInStream( sal_True );
else
{
RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObject::HasVisualReplInStream, analizing" );
uno::Reference< io::XInputStream > xStream;
OSL_ENSURE( !m_pOleComponent || m_aTempURL.getLength(), "The temporary file must exist if there is a component!\n" );
if ( m_aTempURL.getLength() )
{
try
{
// open temporary file for reading
uno::Reference < ucb::XSimpleFileAccess > xTempAccess(
m_xFactory->createInstance (
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.ucb.SimpleFileAccess" ) )),
uno::UNO_QUERY );
if ( !xTempAccess.is() )
throw uno::RuntimeException(); // TODO:
xStream = xTempAccess->openFileRead( m_aTempURL );
}
catch( uno::Exception& )
{}
}
if ( !xStream.is() )
xStream = m_xObjectStream->getInputStream();
if ( xStream.is() )
{
sal_Bool bExists = sal_False;
uno::Sequence< uno::Any > aArgs( 2 );
aArgs[0] <<= xStream;
aArgs[1] <<= (sal_Bool)sal_True; // do not create copy
uno::Reference< container::XNameContainer > xNameContainer(
m_xFactory->createInstanceWithArguments(
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.embed.OLESimpleStorage" )),
aArgs ),
uno::UNO_QUERY );
if ( xNameContainer.is() )
{
for ( sal_uInt8 nInd = 0; nInd < 10 && !bExists; nInd++ )
{
::rtl::OUString aStreamName(RTL_CONSTASCII_USTRINGPARAM( "\002OlePres00" ));
aStreamName += ::rtl::OUString::valueOf( (sal_Int32)nInd );
try
{
bExists = xNameContainer->hasByName( aStreamName );
}
catch( uno::Exception& )
{}
}
}
SetVisReplInStream( bExists );
}
}
}
return m_bVisReplInStream;
}
//------------------------------------------------------
uno::Reference< io::XStream > OleEmbeddedObject::TryToRetrieveCachedVisualRepresentation_Impl(
const uno::Reference< io::XStream >& xStream,
sal_Bool bAllowToRepair50 )
throw ()
{
uno::Reference< io::XStream > xResult;
if ( xStream.is() )
{
RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObject::TryToRetrieveCachedVisualRepresentation, retrieving" );
uno::Reference< container::XNameContainer > xNameContainer;
uno::Sequence< uno::Any > aArgs( 2 );
aArgs[0] <<= xStream;
aArgs[1] <<= (sal_Bool)sal_True; // do not create copy
try
{
xNameContainer = uno::Reference< container::XNameContainer >(
m_xFactory->createInstanceWithArguments(
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.embed.OLESimpleStorage" )),
aArgs ),
uno::UNO_QUERY );
}
catch( uno::Exception& )
{}
if ( xNameContainer.is() )
{
for ( sal_uInt8 nInd = 0; nInd < 10; nInd++ )
{
::rtl::OUString aStreamName(RTL_CONSTASCII_USTRINGPARAM( "\002OlePres00" ));
aStreamName += ::rtl::OUString::valueOf( (sal_Int32)nInd );
uno::Reference< io::XStream > xCachedCopyStream;
try
{
if ( ( xNameContainer->getByName( aStreamName ) >>= xCachedCopyStream ) && xCachedCopyStream.is() )
{
xResult = TryToGetAcceptableFormat_Impl( xCachedCopyStream );
if ( xResult.is() )
break;
}
}
catch( uno::Exception& )
{}
if ( nInd == 0 )
{
// to be compatible with the old versions Ole10Native is checked after OlePress000
aStreamName = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "\001Ole10Native" ) );
try
{
if ( ( xNameContainer->getByName( aStreamName ) >>= xCachedCopyStream ) && xCachedCopyStream.is() )
{
xResult = TryToGetAcceptableFormat_Impl( xCachedCopyStream );
if ( xResult.is() )
break;
}
}
catch( uno::Exception& )
{}
}
}
try
{
if ( bAllowToRepair50 && !xResult.is() )
{
::rtl::OUString aOrigContName( RTL_CONSTASCII_USTRINGPARAM( "Ole-Object" ) );
if ( xNameContainer->hasByName( aOrigContName ) )
{
uno::Reference< embed::XClassifiedObject > xClassified( xNameContainer, uno::UNO_QUERY_THROW );
uno::Sequence< sal_Int8 > aClassID;
if ( MimeConfigurationHelper::ClassIDsEqual( xClassified->getClassID(), MimeConfigurationHelper::GetSequenceClassID( SO3_OUT_CLASSID ) ) )
{
// this is an OLE object wrongly stored in 5.0 format
// this object must be repaired since SO7 has done it
uno::Reference< io::XOutputStream > xOutputStream = xStream->getOutputStream();
uno::Reference< io::XTruncate > xTruncate( xOutputStream, uno::UNO_QUERY_THROW );
uno::Reference< io::XInputStream > xOrigInputStream;
if ( ( xNameContainer->getByName( aOrigContName ) >>= xOrigInputStream )
&& xOrigInputStream.is() )
{
// the provided input stream must be based on temporary medium and must be independent
// from the stream the storage is based on
uno::Reference< io::XSeekable > xOrigSeekable( xOrigInputStream, uno::UNO_QUERY );
if ( xOrigSeekable.is() )
xOrigSeekable->seek( 0 );
uno::Reference< lang::XComponent > xNameContDisp( xNameContainer, uno::UNO_QUERY_THROW );
xNameContDisp->dispose(); // free the original stream
xTruncate->truncate();
::comphelper::OStorageHelper::CopyInputToOutput( xOrigInputStream, xOutputStream );
xOutputStream->flush();
if ( xStream == m_xObjectStream )
{
if ( m_aTempURL.getLength() )
{
// this is the own stream, so the temporary URL must be cleaned if it exists
KillFile_Impl( m_aTempURL, m_xFactory );
m_aTempURL = ::rtl::OUString();
}
#ifdef WNT
// retry to create the component after recovering
GetRidOfComponent();
try
{
CreateOleComponentAndLoad_Impl( NULL );
m_aClassID = m_pOleComponent->GetCLSID(); // was not set during consruction
}
catch( uno::Exception& )
{
GetRidOfComponent();
}
#endif
}
xResult = TryToRetrieveCachedVisualRepresentation_Impl( xStream, sal_False );
}
}
}
}
}
catch( uno::Exception& )
{}
}
}
return xResult;
}
//------------------------------------------------------
void OleEmbeddedObject::SwitchOwnPersistence( const uno::Reference< embed::XStorage >& xNewParentStorage,
const uno::Reference< io::XStream >& xNewObjectStream,
const ::rtl::OUString& aNewName )
{
if ( xNewParentStorage == m_xParentStorage && aNewName.equals( m_aEntryName ) )
{
OSL_ENSURE( xNewObjectStream == m_xObjectStream, "The streams must be the same!\n" );
return;
}
try {
uno::Reference< lang::XComponent > xComponent( m_xObjectStream, uno::UNO_QUERY );
OSL_ENSURE( !m_xObjectStream.is() || xComponent.is(), "Wrong stream implementation!" );
if ( xComponent.is() )
xComponent->dispose();
}
catch ( uno::Exception& )
{
}
m_xObjectStream = xNewObjectStream;
m_xParentStorage = xNewParentStorage;
m_aEntryName = aNewName;
}
//------------------------------------------------------
void OleEmbeddedObject::SwitchOwnPersistence( const uno::Reference< embed::XStorage >& xNewParentStorage,
const ::rtl::OUString& aNewName )
{
if ( xNewParentStorage == m_xParentStorage && aNewName.equals( m_aEntryName ) )
return;
sal_Int32 nStreamMode = m_bReadOnly ? embed::ElementModes::READ : embed::ElementModes::READWRITE;
uno::Reference< io::XStream > xNewOwnStream = xNewParentStorage->openStreamElement( aNewName, nStreamMode );
OSL_ENSURE( xNewOwnStream.is(), "The method can not return empty reference!" );
SwitchOwnPersistence( xNewParentStorage, xNewOwnStream, aNewName );
}
#ifdef WNT
//----------------------------------------------
sal_Bool OleEmbeddedObject::SaveObject_Impl()
{
sal_Bool bResult = sal_False;
if ( m_xClientSite.is() )
{
try
{
m_xClientSite->saveObject();
bResult = sal_True;
}
catch( uno::Exception& )
{
}
}
return bResult;
}
//----------------------------------------------
sal_Bool OleEmbeddedObject::OnShowWindow_Impl( sal_Bool bShow )
{
::osl::ResettableMutexGuard aGuard( m_aMutex );
sal_Bool bResult = sal_False;
OSL_ENSURE( m_nObjectState != -1, "The object has no persistence!\n" );
OSL_ENSURE( m_nObjectState != embed::EmbedStates::LOADED, "The object get OnShowWindow in loaded state!\n" );
if ( m_nObjectState == -1 || m_nObjectState == embed::EmbedStates::LOADED )
return sal_False;
// the object is either activated or deactivated
sal_Int32 nOldState = m_nObjectState;
if ( bShow && m_nObjectState == embed::EmbedStates::RUNNING )
{
m_nObjectState = embed::EmbedStates::ACTIVE;
m_aVerbExecutionController.ObjectIsActive();
aGuard.clear();
StateChangeNotification_Impl( sal_False, nOldState, m_nObjectState );
}
else if ( !bShow && m_nObjectState == embed::EmbedStates::ACTIVE )
{
m_nObjectState = embed::EmbedStates::RUNNING;
aGuard.clear();
StateChangeNotification_Impl( sal_False, nOldState, m_nObjectState );
}
if ( m_xClientSite.is() )
{
try
{
m_xClientSite->visibilityChanged( bShow );
bResult = sal_True;
}
catch( uno::Exception& )
{
}
}
return bResult;
}
//------------------------------------------------------
void OleEmbeddedObject::OnIconChanged_Impl()
{
// TODO/LATER: currently this notification seems to be impossible
// MakeEventListenerNotification_Impl( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "OnIconChanged" )) );
}
//------------------------------------------------------
void OleEmbeddedObject::OnViewChanged_Impl()
{
if ( m_bDisposed )
throw lang::DisposedException();
// For performance reasons the notification currently is ignored, STAMPIT object is the exception,
// it can never be active and never call SaveObject, so it is the only way to detect that it is changed
// ==== the STAMPIT related solution =============================
// the following variable is used to detect whether the object was modified during verb execution
m_aVerbExecutionController.ModificationNotificationIsDone();
// The following things are controlled by VerbExecutionController:
// - if the verb execution is in progress and the view is changed the object will be stored
// after the execution, so there is no need to send the notification.
// - the STAMPIT object can never be active.
if ( m_aVerbExecutionController.CanDoNotification()
&& m_pOleComponent && m_nUpdateMode == embed::EmbedUpdateModes::ALWAYS_UPDATE )
{
OSL_ENSURE( MimeConfigurationHelper::ClassIDsEqual( m_aClassID, MimeConfigurationHelper::GetSequenceClassID( 0x852ee1c9, 0x9058, 0x44ba, 0x8c,0x6c,0x0c,0x5f,0xc6,0x6b,0xdb,0x8d ) )
|| MimeConfigurationHelper::ClassIDsEqual( m_aClassID, MimeConfigurationHelper::GetSequenceClassID( 0xcf1b4491, 0xbea3, 0x4c9f, 0xa7,0x0f,0x22,0x1b,0x1e,0xca,0xef,0x3e ) ),
"Expected to be triggered for STAMPIT only! Please contact developers!\n" );
// The view is changed while the object is in running state, save the new object
m_xCachedVisualRepresentation = uno::Reference< io::XStream >();
SaveObject_Impl();
MakeEventListenerNotification_Impl( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "OnVisAreaChanged" )) );
}
// ===============================================================
}
//------------------------------------------------------
void OleEmbeddedObject::OnClosed_Impl()
{
if ( m_bDisposed )
throw lang::DisposedException();
if ( m_nObjectState != embed::EmbedStates::LOADED )
{
sal_Int32 nOldState = m_nObjectState;
m_nObjectState = embed::EmbedStates::LOADED;
StateChangeNotification_Impl( sal_False, nOldState, m_nObjectState );
}
}
//------------------------------------------------------
::rtl::OUString OleEmbeddedObject::CreateTempURLEmpty_Impl()
{
OSL_ENSURE( !m_aTempURL.getLength(), "The object has already the temporary file!" );
m_aTempURL = GetNewTempFileURL_Impl( m_xFactory );
return m_aTempURL;
}
//------------------------------------------------------
::rtl::OUString OleEmbeddedObject::GetTempURL_Impl()
{
if ( !m_aTempURL.getLength() )
{
RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObject::GetTempURL_Impl, tempfile creation" );
// if there is no temporary file, it will be created from the own entry
uno::Reference< embed::XOptimizedStorage > xOptParStorage( m_xParentStorage, uno::UNO_QUERY );
if ( xOptParStorage.is() )
{
m_aTempURL = GetNewFilledTempFile_Impl( xOptParStorage, m_aEntryName, m_xFactory );
}
else if ( m_xObjectStream.is() )
{
// load object from the stream
uno::Reference< io::XInputStream > xInStream = m_xObjectStream->getInputStream();
if ( !xInStream.is() )
throw io::IOException(); // TODO: access denied
m_aTempURL = GetNewFilledTempFile_Impl( xInStream, m_xFactory );
}
}
return m_aTempURL;
}
//------------------------------------------------------
void OleEmbeddedObject::CreateOleComponent_Impl( OleComponent* pOleComponent )
{
if ( !m_pOleComponent )
{
m_pOleComponent = pOleComponent ? pOleComponent : new OleComponent( m_xFactory, this );
m_pOleComponent->acquire(); // TODO: needs holder?
if ( !m_xClosePreventer.is() )
m_xClosePreventer = uno::Reference< util::XCloseListener >(
static_cast< ::cppu::OWeakObject* >( new OClosePreventer ),
uno::UNO_QUERY );
m_pOleComponent->addCloseListener( m_xClosePreventer );
}
}
//------------------------------------------------------
void OleEmbeddedObject::CreateOleComponentAndLoad_Impl( OleComponent* pOleComponent )
{
if ( !m_pOleComponent )
{
if ( !m_xObjectStream.is() )
throw uno::RuntimeException();
CreateOleComponent_Impl( pOleComponent );
// after the loading the object can appear as a link
// will be detected later by olecomponent
GetTempURL_Impl();
if ( !m_aTempURL.getLength() )
throw uno::RuntimeException(); // TODO
m_pOleComponent->LoadEmbeddedObject( m_aTempURL );
}
}
//------------------------------------------------------
void OleEmbeddedObject::CreateOleComponentFromClipboard_Impl( OleComponent* pOleComponent )
{
if ( !m_pOleComponent )
{
if ( !m_xObjectStream.is() )
throw uno::RuntimeException();
CreateOleComponent_Impl( pOleComponent );
// after the loading the object can appear as a link
// will be detected later by olecomponent
m_pOleComponent->CreateObjectFromClipboard();
}
}
//------------------------------------------------------
uno::Reference< io::XOutputStream > OleEmbeddedObject::GetStreamForSaving()
{
if ( !m_xObjectStream.is() )
throw uno::RuntimeException(); //TODO:
uno::Reference< io::XOutputStream > xOutStream = m_xObjectStream->getOutputStream();
if ( !xOutStream.is() )
throw io::IOException(); //TODO: access denied
uno::Reference< io::XTruncate > xTruncate( xOutStream, uno::UNO_QUERY );
if ( !xTruncate.is() )
throw uno::RuntimeException(); //TODO:
xTruncate->truncate();
return xOutStream;
}
//----------------------------------------------
void OleEmbeddedObject::StoreObjectToStream( uno::Reference< io::XOutputStream > xOutStream )
throw ( uno::Exception )
{
// this method should be used only on windows
if ( m_pOleComponent )
m_pOleComponent->StoreOwnTmpIfNecessary();
// now all the changes should be in temporary location
if ( !m_aTempURL )
throw uno::RuntimeException();
// open temporary file for reading
uno::Reference < ucb::XSimpleFileAccess > xTempAccess(
m_xFactory->createInstance (
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.ucb.SimpleFileAccess" ) )),
uno::UNO_QUERY );
if ( !xTempAccess.is() )
throw uno::RuntimeException(); // TODO:
uno::Reference< io::XInputStream > xTempInStream = xTempAccess->openFileRead( m_aTempURL );
OSL_ENSURE( xTempInStream.is(), "The object's temporary file can not be reopened for reading!\n" );
// TODO: use bStoreVisReplace
if ( xTempInStream.is() )
{
// write all the contents to XOutStream
uno::Reference< io::XTruncate > xTrunc( xOutStream, uno::UNO_QUERY );
if ( !xTrunc.is() )
throw uno::RuntimeException(); //TODO:
xTrunc->truncate();
::comphelper::OStorageHelper::CopyInputToOutput( xTempInStream, xOutStream );
}
else
throw io::IOException(); // TODO:
// TODO: should the view replacement be in the stream ???
// probably it must be specified on storing
}
#endif
//------------------------------------------------------
void OleEmbeddedObject::StoreToLocation_Impl(
const uno::Reference< embed::XStorage >& xStorage,
const ::rtl::OUString& sEntName,
const uno::Sequence< beans::PropertyValue >& /*lArguments*/,
const uno::Sequence< beans::PropertyValue >& lObjArgs,
sal_Bool bSaveAs )
throw ( uno::Exception )
{
// TODO: use lObjArgs
// TODO: exchange StoreVisualReplacement by SO file format version?
if ( m_nObjectState == -1 )
{
// the object is still not loaded
throw embed::WrongStateException( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "Can't store object without persistence!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
}
if ( m_bWaitSaveCompleted )
throw embed::WrongStateException(
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "The object waits for saveCompleted() call!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
OSL_ENSURE( m_xParentStorage.is() && m_xObjectStream.is(), "The object has no valid persistence!\n" );
sal_Bool bVisReplIsStored = sal_False;
sal_Bool bTryOptimization = sal_False;
sal_Bool bStoreVis = m_bStoreVisRepl;
uno::Reference< io::XStream > xCachedVisualRepresentation;
for ( sal_Int32 nInd = 0; nInd < lObjArgs.getLength(); nInd++ )
{
if ( lObjArgs[nInd].Name.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "StoreVisualReplacement" ) ) )
lObjArgs[nInd].Value >>= bStoreVis;
else if ( lObjArgs[nInd].Name.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "VisualReplacement" ) ) )
lObjArgs[nInd].Value >>= xCachedVisualRepresentation;
else if ( lObjArgs[nInd].Name.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "CanTryOptimization" ) ) )
lObjArgs[nInd].Value >>= bTryOptimization;
}
// ignore visual representation provided from outside if it should not be stored
if ( !bStoreVis )
xCachedVisualRepresentation = uno::Reference< io::XStream >();
if ( bStoreVis && !HasVisReplInStream() && !xCachedVisualRepresentation.is() )
throw io::IOException(); // TODO: there is no cached visual representation and nothing is provided from outside
// if the representation is provided from outside it should be copied to a local stream
sal_Bool bNeedLocalCache = xCachedVisualRepresentation.is();
uno::Reference< io::XStream > xTargetStream;
sal_Bool bStoreLoaded = sal_False;
if ( m_nObjectState == embed::EmbedStates::LOADED
#ifdef WNT
// if the object was NOT modified after storing it can be just copied
// as if it was in loaded state
|| ( m_pOleComponent && !m_pOleComponent->IsDirty() )
#endif
)
{
sal_Bool bOptimizedCopyingDone = sal_False;
if ( bTryOptimization && bStoreVis == HasVisReplInStream() )
{
try
{
uno::Reference< embed::XOptimizedStorage > xSourceOptStor( m_xParentStorage, uno::UNO_QUERY_THROW );
uno::Reference< embed::XOptimizedStorage > xTargetOptStor( xStorage, uno::UNO_QUERY_THROW );
xSourceOptStor->copyElementDirectlyTo( m_aEntryName, xTargetOptStor, sEntName );
bOptimizedCopyingDone = sal_True;
}
catch( uno::Exception& )
{
}
}
if ( !bOptimizedCopyingDone )
{
// if optimized copying fails a normal one should be tried
m_xParentStorage->copyElementTo( m_aEntryName, xStorage, sEntName );
}
// the locally retrieved representation is always preferable
// since the object is in loaded state the representation is unchanged
if ( m_xCachedVisualRepresentation.is() )
{
xCachedVisualRepresentation = m_xCachedVisualRepresentation;
bNeedLocalCache = sal_False;
}
bVisReplIsStored = HasVisReplInStream();
bStoreLoaded = sal_True;
}
#ifdef WNT
else if ( m_pOleComponent )
{
xTargetStream =
xStorage->openStreamElement( sEntName, embed::ElementModes::READWRITE );
if ( !xTargetStream.is() )
throw io::IOException(); //TODO: access denied
SetStreamMediaType_Impl( xTargetStream, ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "application/vnd.sun.star.oleobject" ) ));
uno::Reference< io::XOutputStream > xOutStream = xTargetStream->getOutputStream();
if ( !xOutStream.is() )
throw io::IOException(); //TODO: access denied
StoreObjectToStream( xOutStream );
bVisReplIsStored = sal_True;
if ( bSaveAs )
{
// no need to do it on StoreTo since in this case the replacement is in the stream
// and there is no need to cache it even if it is thrown away because the object
// is not changed by StoreTo action
uno::Reference< io::XStream > xTmpCVRepresentation =
TryToRetrieveCachedVisualRepresentation_Impl( xTargetStream );
// the locally retrieved representation is always preferable
if ( xTmpCVRepresentation.is() )
{
xCachedVisualRepresentation = xTmpCVRepresentation;
bNeedLocalCache = sal_False;
}
}
}
#endif
else
{
throw io::IOException(); // TODO
}
if ( !xTargetStream.is() )
{
xTargetStream =
xStorage->openStreamElement( sEntName, embed::ElementModes::READWRITE );
if ( !xTargetStream.is() )
throw io::IOException(); //TODO: access denied
}
LetCommonStoragePassBeUsed_Impl( xTargetStream );
if ( bStoreVis != bVisReplIsStored )
{
if ( bStoreVis )
{
if ( !xCachedVisualRepresentation.is() )
xCachedVisualRepresentation = TryToRetrieveCachedVisualRepresentation_Impl( xTargetStream );
OSL_ENSURE( xCachedVisualRepresentation.is(), "No representation is available!" );
// the following copying will be done in case it is SaveAs anyway
// if it is not SaveAs the seekable access is not required currently
// TODO/LATER: may be required in future
if ( bSaveAs )
{
uno::Reference< io::XSeekable > xCachedSeek( xCachedVisualRepresentation, uno::UNO_QUERY );
if ( !xCachedSeek.is() )
{
xCachedVisualRepresentation
= GetNewFilledTempStream_Impl( xCachedVisualRepresentation->getInputStream() );
bNeedLocalCache = sal_False;
}
}
InsertVisualCache_Impl( xTargetStream, xCachedVisualRepresentation );
}
else
{
// the removed representation could be cached by this method
if ( !xCachedVisualRepresentation.is() )
xCachedVisualRepresentation = TryToRetrieveCachedVisualRepresentation_Impl( xTargetStream );
RemoveVisualCache_Impl( xTargetStream );
}
}
if ( bSaveAs )
{
m_bWaitSaveCompleted = sal_True;
m_xNewObjectStream = xTargetStream;
m_xNewParentStorage = xStorage;
m_aNewEntryName = sEntName;
m_bNewVisReplInStream = bStoreVis;
m_bStoreLoaded = bStoreLoaded;
if ( xCachedVisualRepresentation.is() )
{
if ( bNeedLocalCache )
m_xNewCachedVisRepl = GetNewFilledTempStream_Impl( xCachedVisualRepresentation->getInputStream() );
else
m_xNewCachedVisRepl = xCachedVisualRepresentation;
}
// TODO: register listeners for storages above, in case they are disposed
// an exception will be thrown on saveCompleted( true )
}
else
{
uno::Reference< lang::XComponent > xComp( xTargetStream, uno::UNO_QUERY );
if ( xComp.is() )
{
try {
xComp->dispose();
} catch( uno::Exception& )
{
}
}
}
}
//------------------------------------------------------
void SAL_CALL OleEmbeddedObject::setPersistentEntry(
const uno::Reference< embed::XStorage >& xStorage,
const ::rtl::OUString& sEntName,
sal_Int32 nEntryConnectionMode,
const uno::Sequence< beans::PropertyValue >& lArguments,
const uno::Sequence< beans::PropertyValue >& lObjArgs )
throw ( lang::IllegalArgumentException,
embed::WrongStateException,
io::IOException,
uno::Exception,
uno::RuntimeException )
{
RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObject::setPersistentEntry" );
// begin wrapping related part ====================
uno::Reference< embed::XEmbedPersist > xWrappedObject( m_xWrappedObject, uno::UNO_QUERY );
if ( xWrappedObject.is() )
{
// the object was converted to OOo embedded object, the current implementation is now only a wrapper
xWrappedObject->setPersistentEntry( xStorage, sEntName, nEntryConnectionMode, lArguments, lObjArgs );
return;
}
// end wrapping related part ====================
// TODO: use lObjArgs
// the type of the object must be already set
// a kind of typedetection should be done in the factory;
// the only exception is object initialized from a stream,
// the class ID will be detected from the stream
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( !xStorage.is() )
throw lang::IllegalArgumentException( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "No parent storage is provided!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
1 );
if ( !sEntName.getLength() )
throw lang::IllegalArgumentException( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "Empty element name is provided!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
2 );
// May be LOADED should be forbidden here ???
if ( ( m_nObjectState != -1 || nEntryConnectionMode == embed::EntryInitModes::NO_INIT )
&& ( m_nObjectState == -1 || nEntryConnectionMode != embed::EntryInitModes::NO_INIT ) )
{
// if the object is not loaded
// it can not get persistant representation without initialization
// if the object is loaded
// it can switch persistant representation only without initialization
throw embed::WrongStateException(
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "Can't change persistant representation of activated object!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
}
if ( m_bWaitSaveCompleted )
{
if ( nEntryConnectionMode == embed::EntryInitModes::NO_INIT )
saveCompleted( ( m_xParentStorage != xStorage || !m_aEntryName.equals( sEntName ) ) );
else
throw embed::WrongStateException(
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "The object waits for saveCompleted() call!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
}
uno::Reference< container::XNameAccess > xNameAccess( xStorage, uno::UNO_QUERY );
if ( !xNameAccess.is() )
throw uno::RuntimeException(); //TODO
// detect entry existence
sal_Bool bElExists = xNameAccess->hasByName( sEntName );
m_bReadOnly = sal_False;
sal_Int32 nInd = 0;
for ( nInd = 0; nInd < lArguments.getLength(); nInd++ )
if ( lArguments[nInd].Name.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "ReadOnly" ) ) )
lArguments[nInd].Value >>= m_bReadOnly;
#ifdef WNT
sal_Int32 nStorageMode = m_bReadOnly ? embed::ElementModes::READ : embed::ElementModes::READWRITE;
#endif
SwitchOwnPersistence( xStorage, sEntName );
for ( nInd = 0; nInd < lObjArgs.getLength(); nInd++ )
if ( lObjArgs[nInd].Name.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "StoreVisualReplacement" ) ) )
lObjArgs[nInd].Value >>= m_bStoreVisRepl;
#ifdef WNT
if ( nEntryConnectionMode == embed::EntryInitModes::DEFAULT_INIT )
{
if ( m_bFromClipboard )
{
// the object should be initialized from clipboard
// inpossibility to initialize the object means error here
CreateOleComponentFromClipboard_Impl( NULL );
m_aClassID = m_pOleComponent->GetCLSID(); // was not set during consruction
m_pOleComponent->RunObject();
m_nObjectState = embed::EmbedStates::RUNNING;
}
else if ( bElExists )
{
// load object from the stream
// after the loading the object can appear as a link
// will be detected by olecomponent
try
{
CreateOleComponentAndLoad_Impl( NULL );
m_aClassID = m_pOleComponent->GetCLSID(); // was not set during consruction
}
catch( uno::Exception& )
{
// TODO/LATER: detect classID of the object if possible
// means that the object inprocess server could not be successfuly instantiated
GetRidOfComponent();
}
m_nObjectState = embed::EmbedStates::LOADED;
}
else
{
// create a new object
CreateOleComponent_Impl();
m_pOleComponent->CreateNewEmbeddedObject( m_aClassID );
m_pOleComponent->RunObject();
m_nObjectState = embed::EmbedStates::RUNNING;
}
}
else
{
if ( ( nStorageMode & embed::ElementModes::READWRITE ) != embed::ElementModes::READWRITE )
throw io::IOException();
if ( nEntryConnectionMode == embed::EntryInitModes::NO_INIT )
{
// the document just already changed its stream to store to;
// the links to OLE documents switch their persistence in the same way
// as normal embedded objects
}
else if ( nEntryConnectionMode == embed::EntryInitModes::TRUNCATE_INIT )
{
// create a new object, that will be stored in specified stream
CreateOleComponent_Impl();
m_pOleComponent->CreateNewEmbeddedObject( m_aClassID );
m_pOleComponent->RunObject();
m_nObjectState = embed::EmbedStates::RUNNING;
}
else if ( nEntryConnectionMode == embed::EntryInitModes::MEDIA_DESCRIPTOR_INIT )
{
// use URL ( may be content or stream later ) from MediaDescriptor to initialize object
::rtl::OUString aURL;
for ( sal_Int32 nInd = 0; nInd < lArguments.getLength(); nInd++ )
if ( lArguments[nInd].Name.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "URL" ) ) )
lArguments[nInd].Value >>= aURL;
if ( !aURL.getLength() )
throw lang::IllegalArgumentException(
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "Empty URL is provided in the media descriptor!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
4 );
CreateOleComponent_Impl();
// TODO: the m_bIsLink value must be set already
if ( !m_bIsLink )
m_pOleComponent->CreateObjectFromFile( aURL );
else
m_pOleComponent->CreateLinkFromFile( aURL );
m_pOleComponent->RunObject();
m_aClassID = m_pOleComponent->GetCLSID(); // was not set during consruction
m_nObjectState = embed::EmbedStates::RUNNING;
}
//else if ( nEntryConnectionMode == embed::EntryInitModes::TRANSFERABLE_INIT )
//{
//TODO:
//}
else
throw lang::IllegalArgumentException( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "Wrong connection mode is provided!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
3 );
}
#else
// On unix the ole object can not do anything except storing itself somewere
if ( nEntryConnectionMode == embed::EntryInitModes::DEFAULT_INIT && bElExists )
{
// TODO/LATER: detect classID of the object
// can be a real problem for the links
m_nObjectState = embed::EmbedStates::LOADED;
}
else if ( nEntryConnectionMode == embed::EntryInitModes::NO_INIT )
{
// do nothing, the object has already switched it's persistence
}
else
throw lang::IllegalArgumentException( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "Wrong connection mode is provided!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
3 );
#endif
}
//------------------------------------------------------
void SAL_CALL OleEmbeddedObject::storeToEntry( const uno::Reference< embed::XStorage >& xStorage,
const ::rtl::OUString& sEntName,
const uno::Sequence< beans::PropertyValue >& lArguments,
const uno::Sequence< beans::PropertyValue >& lObjArgs )
throw ( lang::IllegalArgumentException,
embed::WrongStateException,
io::IOException,
uno::Exception,
uno::RuntimeException )
{
RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObject::storeToEntry" );
// begin wrapping related part ====================
uno::Reference< embed::XEmbedPersist > xWrappedObject( m_xWrappedObject, uno::UNO_QUERY );
if ( xWrappedObject.is() )
{
// the object was converted to OOo embedded object, the current implementation is now only a wrapper
xWrappedObject->storeToEntry( xStorage, sEntName, lArguments, lObjArgs );
return;
}
// end wrapping related part ====================
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
VerbExecutionControllerGuard aVerbGuard( m_aVerbExecutionController );
StoreToLocation_Impl( xStorage, sEntName, lArguments, lObjArgs, sal_False );
// TODO: should the listener notification be done?
}
//------------------------------------------------------
void SAL_CALL OleEmbeddedObject::storeAsEntry( const uno::Reference< embed::XStorage >& xStorage,
const ::rtl::OUString& sEntName,
const uno::Sequence< beans::PropertyValue >& lArguments,
const uno::Sequence< beans::PropertyValue >& lObjArgs )
throw ( lang::IllegalArgumentException,
embed::WrongStateException,
io::IOException,
uno::Exception,
uno::RuntimeException )
{
RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObject::storeAsEntry" );
// begin wrapping related part ====================
uno::Reference< embed::XEmbedPersist > xWrappedObject( m_xWrappedObject, uno::UNO_QUERY );
if ( xWrappedObject.is() )
{
// the object was converted to OOo embedded object, the current implementation is now only a wrapper
xWrappedObject->storeAsEntry( xStorage, sEntName, lArguments, lObjArgs );
return;
}
// end wrapping related part ====================
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
VerbExecutionControllerGuard aVerbGuard( m_aVerbExecutionController );
StoreToLocation_Impl( xStorage, sEntName, lArguments, lObjArgs, sal_True );
// TODO: should the listener notification be done here or in saveCompleted?
}
//------------------------------------------------------
void SAL_CALL OleEmbeddedObject::saveCompleted( sal_Bool bUseNew )
throw ( embed::WrongStateException,
uno::Exception,
uno::RuntimeException )
{
RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObject::saveCompleted" );
// begin wrapping related part ====================
uno::Reference< embed::XEmbedPersist > xWrappedObject( m_xWrappedObject, uno::UNO_QUERY );
if ( xWrappedObject.is() )
{
// the object was converted to OOo embedded object, the current implementation is now only a wrapper
xWrappedObject->saveCompleted( bUseNew );
return;
}
// end wrapping related part ====================
::osl::ResettableMutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( m_nObjectState == -1 )
{
// the object is still not loaded
throw embed::WrongStateException( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "Can't store object without persistence!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
}
// it is allowed to call saveCompleted( false ) for nonstored objects
if ( !m_bWaitSaveCompleted && !bUseNew )
return;
OSL_ENSURE( m_bWaitSaveCompleted, "Unexpected saveCompleted() call!\n" );
if ( !m_bWaitSaveCompleted )
throw io::IOException(); // TODO: illegal call
OSL_ENSURE( m_xNewObjectStream.is() && m_xNewParentStorage.is() , "Internal object information is broken!\n" );
if ( !m_xNewObjectStream.is() || !m_xNewParentStorage.is() )
throw uno::RuntimeException(); // TODO: broken internal information
if ( bUseNew )
{
SwitchOwnPersistence( m_xNewParentStorage, m_xNewObjectStream, m_aNewEntryName );
m_bStoreVisRepl = m_bNewVisReplInStream;
SetVisReplInStream( m_bNewVisReplInStream );
m_xCachedVisualRepresentation = m_xNewCachedVisRepl;
}
else
{
// close remembered stream
try {
uno::Reference< lang::XComponent > xComponent( m_xNewObjectStream, uno::UNO_QUERY );
OSL_ENSURE( xComponent.is(), "Wrong storage implementation!" );
if ( xComponent.is() )
xComponent->dispose();
}
catch ( uno::Exception& )
{
}
}
sal_Bool bStoreLoaded = m_bStoreLoaded;
m_xNewObjectStream = uno::Reference< io::XStream >();
m_xNewParentStorage = uno::Reference< embed::XStorage >();
m_aNewEntryName = ::rtl::OUString();
m_bWaitSaveCompleted = sal_False;
m_bNewVisReplInStream = sal_False;
m_xNewCachedVisRepl = uno::Reference< io::XStream >();
m_bStoreLoaded = sal_False;
if ( bUseNew && m_pOleComponent && m_nUpdateMode == embed::EmbedUpdateModes::ALWAYS_UPDATE && !bStoreLoaded
&& m_nObjectState != embed::EmbedStates::LOADED )
{
// the object replacement image should be updated, so the cached size as well
m_bHasCachedSize = sal_False;
try
{
// the call will cache the size in case of success
// probably it might need to be done earlier, while the object is in active state
getVisualAreaSize( embed::Aspects::MSOLE_CONTENT );
}
catch( uno::Exception& )
{}
}
aGuard.clear();
if ( bUseNew )
{
MakeEventListenerNotification_Impl( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "OnSaveAsDone" ) ));
// the object can be changed only on windows
// the notification should be done only if the object is not in loaded state
if ( m_pOleComponent && m_nUpdateMode == embed::EmbedUpdateModes::ALWAYS_UPDATE && !bStoreLoaded )
{
MakeEventListenerNotification_Impl( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "OnVisAreaChanged" ) ));
}
}
}
//------------------------------------------------------
sal_Bool SAL_CALL OleEmbeddedObject::hasEntry()
throw ( embed::WrongStateException,
uno::RuntimeException )
{
// begin wrapping related part ====================
uno::Reference< embed::XEmbedPersist > xWrappedObject( m_xWrappedObject, uno::UNO_QUERY );
if ( xWrappedObject.is() )
{
// the object was converted to OOo embedded object, the current implementation is now only a wrapper
return xWrappedObject->hasEntry();
}
// end wrapping related part ====================
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( m_bWaitSaveCompleted )
throw embed::WrongStateException(
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "The object waits for saveCompleted() call!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
if ( m_xObjectStream.is() )
return sal_True;
return sal_False;
}
//------------------------------------------------------
::rtl::OUString SAL_CALL OleEmbeddedObject::getEntryName()
throw ( embed::WrongStateException,
uno::RuntimeException )
{
// begin wrapping related part ====================
uno::Reference< embed::XEmbedPersist > xWrappedObject( m_xWrappedObject, uno::UNO_QUERY );
if ( xWrappedObject.is() )
{
// the object was converted to OOo embedded object, the current implementation is now only a wrapper
return xWrappedObject->getEntryName();
}
// end wrapping related part ====================
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( m_nObjectState == -1 )
{
// the object is still not loaded
throw embed::WrongStateException( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "The object persistence is not initialized!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
}
if ( m_bWaitSaveCompleted )
throw embed::WrongStateException(
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "The object waits for saveCompleted() call!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
return m_aEntryName;
}
//------------------------------------------------------
void SAL_CALL OleEmbeddedObject::storeOwn()
throw ( embed::WrongStateException,
io::IOException,
uno::Exception,
uno::RuntimeException )
{
RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObject::storeOwn" );
// begin wrapping related part ====================
uno::Reference< embed::XEmbedPersist > xWrappedObject( m_xWrappedObject, uno::UNO_QUERY );
if ( xWrappedObject.is() )
{
// the object was converted to OOo embedded object, the current implementation is now only a wrapper
xWrappedObject->storeOwn();
return;
}
// end wrapping related part ====================
// during switching from Activated to Running and from Running to Loaded states the object will
// ask container to store the object, the container has to make decision
// to do so or not
::osl::ResettableMutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
VerbExecutionControllerGuard aVerbGuard( m_aVerbExecutionController );
if ( m_nObjectState == -1 )
{
// the object is still not loaded
throw embed::WrongStateException( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "Can't store object without persistence!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
}
if ( m_bWaitSaveCompleted )
throw embed::WrongStateException(
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "The object waits for saveCompleted() call!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
if ( m_bReadOnly )
throw io::IOException(); // TODO: access denied
LetCommonStoragePassBeUsed_Impl( m_xObjectStream );
sal_Bool bStoreLoaded = sal_True;
#ifdef WNT
if ( m_nObjectState != embed::EmbedStates::LOADED && m_pOleComponent && m_pOleComponent->IsDirty() )
{
bStoreLoaded = sal_False;
OSL_ENSURE( m_xParentStorage.is() && m_xObjectStream.is(), "The object has no valid persistence!\n" );
if ( !m_xObjectStream.is() )
throw io::IOException(); //TODO: access denied
SetStreamMediaType_Impl( m_xObjectStream, ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "application/vnd.sun.star.oleobject" ) ));
uno::Reference< io::XOutputStream > xOutStream = m_xObjectStream->getOutputStream();
if ( !xOutStream.is() )
throw io::IOException(); //TODO: access denied
// TODO: does this work for links too?
StoreObjectToStream( GetStreamForSaving() );
// the replacement is changed probably, and it must be in the object stream
if ( !m_pOleComponent->IsWorkaroundActive() )
m_xCachedVisualRepresentation = uno::Reference< io::XStream >();
SetVisReplInStream( sal_True );
}
#endif
if ( m_bStoreVisRepl != HasVisReplInStream() )
{
if ( m_bStoreVisRepl )
{
// the m_xCachedVisualRepresentation must be set or it should be already stored
if ( m_xCachedVisualRepresentation.is() )
InsertVisualCache_Impl( m_xObjectStream, m_xCachedVisualRepresentation );
else
{
m_xCachedVisualRepresentation = TryToRetrieveCachedVisualRepresentation_Impl( m_xObjectStream );
OSL_ENSURE( m_xCachedVisualRepresentation.is(), "No representation is available!" );
}
}
else
{
if ( !m_xCachedVisualRepresentation.is() )
m_xCachedVisualRepresentation = TryToRetrieveCachedVisualRepresentation_Impl( m_xObjectStream );
RemoveVisualCache_Impl( m_xObjectStream );
}
SetVisReplInStream( m_bStoreVisRepl );
}
if ( m_pOleComponent && m_nUpdateMode == embed::EmbedUpdateModes::ALWAYS_UPDATE && !bStoreLoaded )
{
// the object replacement image should be updated, so the cached size as well
m_bHasCachedSize = sal_False;
try
{
// the call will cache the size in case of success
// probably it might need to be done earlier, while the object is in active state
getVisualAreaSize( embed::Aspects::MSOLE_CONTENT );
}
catch( uno::Exception& )
{}
}
aGuard.clear();
MakeEventListenerNotification_Impl( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "OnSaveDone" ) ));
// the object can be changed only on Windows
// the notification should be done only if the object is not in loaded state
if ( m_pOleComponent && m_nUpdateMode == embed::EmbedUpdateModes::ALWAYS_UPDATE && !bStoreLoaded )
MakeEventListenerNotification_Impl( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "OnVisAreaChanged" ) ));
}
//------------------------------------------------------
sal_Bool SAL_CALL OleEmbeddedObject::isReadonly()
throw ( embed::WrongStateException,
uno::RuntimeException )
{
// begin wrapping related part ====================
uno::Reference< embed::XEmbedPersist > xWrappedObject( m_xWrappedObject, uno::UNO_QUERY );
if ( xWrappedObject.is() )
{
// the object was converted to OOo embedded object, the current implementation is now only a wrapper
return xWrappedObject->isReadonly();
}
// end wrapping related part ====================
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( m_nObjectState == -1 )
{
// the object is still not loaded
throw embed::WrongStateException( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "The object persistence is not initialized!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
}
if ( m_bWaitSaveCompleted )
throw embed::WrongStateException(
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "The object waits for saveCompleted() call!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
return m_bReadOnly;
}
//------------------------------------------------------
void SAL_CALL OleEmbeddedObject::reload(
const uno::Sequence< beans::PropertyValue >& lArguments,
const uno::Sequence< beans::PropertyValue >& lObjArgs )
throw ( lang::IllegalArgumentException,
embed::WrongStateException,
io::IOException,
uno::Exception,
uno::RuntimeException )
{
// begin wrapping related part ====================
uno::Reference< embed::XEmbedPersist > xWrappedObject( m_xWrappedObject, uno::UNO_QUERY );
if ( xWrappedObject.is() )
{
// the object was converted to OOo embedded object, the current implementation is now only a wrapper
xWrappedObject->reload( lArguments, lObjArgs );
return;
}
// end wrapping related part ====================
// TODO: use lObjArgs
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( m_nObjectState == -1 )
{
// the object is still not loaded
throw embed::WrongStateException( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "The object persistence is not initialized!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
}
if ( m_bWaitSaveCompleted )
throw embed::WrongStateException(
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "The object waits for saveCompleted() call!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
// TODO:
// throw away current document
// load new document from current storage
// use meaningfull part of lArguments
}
//------------------------------------------------------
void SAL_CALL OleEmbeddedObject::breakLink( const uno::Reference< embed::XStorage >& xStorage,
const ::rtl::OUString& sEntName )
throw ( lang::IllegalArgumentException,
embed::WrongStateException,
io::IOException,
uno::Exception,
uno::RuntimeException )
{
// begin wrapping related part ====================
uno::Reference< embed::XLinkageSupport > xWrappedObject( m_xWrappedObject, uno::UNO_QUERY );
if ( xWrappedObject.is() )
{
// the object was converted to OOo embedded object, the current implementation is now only a wrapper
xWrappedObject->breakLink( xStorage, sEntName );
return;
}
// end wrapping related part ====================
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( !xStorage.is() )
throw lang::IllegalArgumentException( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "No parent storage is provided!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
1 );
if ( !sEntName.getLength() )
throw lang::IllegalArgumentException( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "Empty element name is provided!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
2 );
// TODO: The object must be at least in Running state;
if ( !m_bIsLink || m_nObjectState == -1 || !m_pOleComponent )
{
// it must be a linked initialized object
throw embed::WrongStateException(
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "The object is not a valid linked object!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
}
if ( m_bReadOnly )
throw io::IOException(); // TODO: Access denied
if ( m_bWaitSaveCompleted )
throw embed::WrongStateException(
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "The object waits for saveCompleted() call!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
#ifdef WNT
if ( m_pOleComponent )
{
// TODO: create an object based on the link
// disconnect the old temporary URL
::rtl::OUString aOldTempURL = m_aTempURL;
m_aTempURL = ::rtl::OUString();
OleComponent* pNewOleComponent = new OleComponent( m_xFactory, this );
try {
pNewOleComponent->InitEmbeddedCopyOfLink( m_pOleComponent );
}
catch ( uno::Exception& )
{
delete pNewOleComponent;
if ( m_aTempURL )
KillFile_Impl( m_aTempURL, m_xFactory );
m_aTempURL = aOldTempURL;
throw;
}
try {
GetRidOfComponent();
}
catch( uno::Exception& )
{
delete pNewOleComponent;
if ( m_aTempURL )
KillFile_Impl( m_aTempURL, m_xFactory );
m_aTempURL = aOldTempURL;
throw;
}
KillFile_Impl( aOldTempURL, m_xFactory );
CreateOleComponent_Impl( pNewOleComponent );
if ( m_xParentStorage != xStorage || !m_aEntryName.equals( sEntName ) )
SwitchOwnPersistence( xStorage, sEntName );
if ( m_nObjectState != embed::EmbedStates::LOADED )
{
// TODO: should we activate the new object if the link was activated?
sal_Int32 nTargetState = m_nObjectState;
m_nObjectState = embed::EmbedStates::LOADED;
if ( m_nObjectState == embed::EmbedStates::RUNNING )
m_pOleComponent->RunObject(); // the object already was in running state, the server must be installed
else // m_nObjectState == embed::EmbedStates::ACTIVE
{
m_pOleComponent->RunObject(); // the object already was in running state, the server must be installed
m_pOleComponent->ExecuteVerb( embed::EmbedVerbs::MS_OLEVERB_OPEN );
}
m_nObjectState = nTargetState;
}
m_bIsLink = sal_False;
m_aLinkURL = ::rtl::OUString();
}
else
#endif
{
throw io::IOException(); //TODO:
}
}
//------------------------------------------------------
sal_Bool SAL_CALL OleEmbeddedObject::isLink()
throw ( embed::WrongStateException,
uno::RuntimeException )
{
// begin wrapping related part ====================
uno::Reference< embed::XLinkageSupport > xWrappedObject( m_xWrappedObject, uno::UNO_QUERY );
if ( xWrappedObject.is() )
{
// the object was converted to OOo embedded object, the current implementation is now only a wrapper
return xWrappedObject->isLink();
}
// end wrapping related part ====================
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
return m_bIsLink;
}
//------------------------------------------------------
::rtl::OUString SAL_CALL OleEmbeddedObject::getLinkURL()
throw ( embed::WrongStateException,
uno::Exception,
uno::RuntimeException )
{
// begin wrapping related part ====================
uno::Reference< embed::XLinkageSupport > xWrappedObject( m_xWrappedObject, uno::UNO_QUERY );
if ( xWrappedObject.is() )
{
// the object was converted to OOo embedded object, the current implementation is now only a wrapper
return xWrappedObject->getLinkURL();
}
// end wrapping related part ====================
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( m_bWaitSaveCompleted )
throw embed::WrongStateException(
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "The object waits for saveCompleted() call!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
if ( !m_bIsLink )
throw embed::WrongStateException(
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "The object is not a link object!\n" )),
uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
// TODO: probably the link URL can be retrieved from OLE
return m_aLinkURL;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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