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00f5e7bbcecda6748e2f9e35c1ea47f08c94b768
libreoffice/embeddedobj/source/msole/olevisual.cxx
Vladimir Glazounov 00f5e7bbce INTEGRATION: CWS msolesize1 (1.5.4); FILE MERGED 
2005/02/10 08:48:55 mav 1.5.4.3: #i42331# fix msole size retrieving problem
2005/02/10 07:50:06 mav 1.5.4.2: #i42331# fix msole size retrieving problem
2005/02/10 07:35:18 mav 1.5.4.1: #i42331# fix msole size retrieving problem
2005-02-21 11:05:35 +00:00

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/*************************************************************************
*
* $RCSfile: olevisual.cxx,v $
*
* $Revision: 1.6 $
*
* last change: $Author: vg $ $Date: 2005-02-21 12:05:35 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _COM_SUN_STAR_LANG_DISPOSEDEXCEPTION_HPP_
#include <com/sun/star/lang/DisposedException.hpp>
#endif
#ifndef _COM_SUN_STAR_EMBED_EMBEDSTATES_HPP_
#include <com/sun/star/embed/EmbedStates.hpp>
#endif
#ifndef _COM_SUN_STAR_EMBED_EMBEDMAPUNITS_HPP_
#include <com/sun/star/embed/EmbedMapUnits.hpp>
#endif
#ifndef _COM_SUN_STAR_EMBED_EMBEDMISC_HPP_
#include <com/sun/star/embed/EmbedMisc.hpp>
#endif
#ifndef _COM_SUN_STAR_IO_XSEEKABLE_HPP_
#include <com/sun/star/io/XSeekable.hpp>
#endif
#include <oleembobj.hxx>
#include <olecomponent.hxx>
using namespace ::com::sun::star;
embed::VisualRepresentation OleEmbeddedObject::GetVisualRepresentationInNativeFormat_Impl(
const uno::Reference< io::XStream > xCachedVisRepr )
throw ( uno::Exception )
{
embed::VisualRepresentation aVisualRepr;
// TODO: detect the format in the future for now use workaround
uno::Reference< io::XInputStream > xInStream = xCachedVisRepr->getInputStream();
uno::Reference< io::XSeekable > xSeekable( xCachedVisRepr, uno::UNO_QUERY );
if ( !xInStream.is() || !xSeekable.is() )
throw uno::RuntimeException();
uno::Sequence< sal_Int8 > aSeq( 2 );
xInStream->readBytes( aSeq, 2 );
xSeekable->seek( 0 );
if ( aSeq.getLength() == 2 && aSeq[0] == 'B' && aSeq[1] == 'M' )
{
// it's a bitmap
aVisualRepr.Flavor = datatransfer::DataFlavor(
::rtl::OUString::createFromAscii( "application/x-openoffice-bitmap;windows_formatname=\"Bitmap\"" ),
::rtl::OUString::createFromAscii( "Bitmap" ),
::getCppuType( (const uno::Sequence< sal_Int8 >*) NULL ) );
}
else
{
// it's a metafile
aVisualRepr.Flavor = datatransfer::DataFlavor(
::rtl::OUString::createFromAscii( "application/x-openoffice-wmf;windows_formatname=\"Image WMF\"" ),
::rtl::OUString::createFromAscii( "Windows Metafile" ),
::getCppuType( (const uno::Sequence< sal_Int8 >*) NULL ) );
}
sal_Int32 nStreamLength = (sal_Int32)xSeekable->getLength();
uno::Sequence< sal_Int8 > aRepresent( nStreamLength );
xInStream->readBytes( aRepresent, nStreamLength );
aVisualRepr.Data <<= aRepresent;
return aVisualRepr;
}
void SAL_CALL OleEmbeddedObject::setVisualAreaSize( sal_Int64 nAspect, const awt::Size& aSize )
throw ( lang::IllegalArgumentException,
embed::WrongStateException,
uno::Exception,
uno::RuntimeException )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( m_nObjectState == -1 )
throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "The object is not loaded!\n" ),
uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ) );
#ifdef WNT
// RECOMPOSE_ON_RESIZE misc flag means that the object has to be switched to running state on resize
if ( m_nObjectState == embed::EmbedStates::LOADED
&& ( getStatus( nAspect ) & embed::EmbedMisc::MS_EMBED_RECOMPOSEONRESIZE ) )
{
try {
changeState( embed::EmbedStates::RUNNING );
}
catch( uno::Exception& )
{
OSL_ENSURE( sal_False, "The object should not be resized without activation!\n" );
}
}
if ( m_pOleComponent && m_nObjectState != embed::EmbedStates::LOADED )
{
try {
m_pOleComponent->SetExtent( aSize, nAspect ); // will throw an exception in case of failure
}
catch( uno::Exception& )
{
// some objects do not allow to set the size even in running state
m_bHasSizeToSet = sal_True;
}
}
else
#endif
{
m_bHasSizeToSet = sal_True;
}
// cache the values
m_bHasCachedSize = sal_True;
m_aCachedSize = aSize;
m_nCachedAspect = nAspect;
}
awt::Size SAL_CALL OleEmbeddedObject::getVisualAreaSize( sal_Int64 nAspect )
throw ( lang::IllegalArgumentException,
embed::WrongStateException,
uno::Exception,
uno::RuntimeException )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( m_nObjectState == -1 )
throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "The object is not loaded!\n" ),
uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ) );
#ifdef WNT
if ( m_pOleComponent && !m_bHasSizeToSet )
{
try
{
m_aCachedSize = m_pOleComponent->GetExtent( nAspect ); // will throw an exception in case of failure
m_nCachedAspect = nAspect;
m_bHasCachedSize = sal_True;
}
catch( lang::IllegalArgumentException& )
{
// there is no OLEcache for the aspect
// the internal cache will be used, if any
if ( !m_bHasCachedSize )
{
// there is no internal cache
// try to switch the object to RUNNONG state and request the value again
try {
changeState( embed::EmbedStates::RUNNING );
m_aCachedSize = m_pOleComponent->GetExtent( nAspect ); // will throw an exception in case of failure
}
catch( uno::Exception& )
{
// TODO/LATER: this workaround must be implemented in the application
OSL_ENSURE( sal_False, "The workaround must be implemented in application, not in embedded object!\n" );
return awt::Size( 5000, 5000 );
//OSL_ENSURE( sal_False, "The size of the OLE object that can't be activated is requested!\nNo size was provided to the object for caching!\n" );
//throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "Illegal call!\n" ),
// uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ) );
}
m_nCachedAspect = nAspect;
m_bHasCachedSize = sal_True;
}
else
{
OSL_ENSURE( nAspect == m_nCachedAspect, "Unexpected aspect is requested!\n" );
}
}
catch ( uno::Exception& )
{
// TODO/LATER: this workaround must be implemented in the application
OSL_ENSURE( sal_False, "The workaround must be implemented in application, not in embedded object!\n" );
return awt::Size( 5000, 5000 );
}
}
else
#endif
{
// return cached value
if ( m_bHasCachedSize )
{
OSL_ENSURE( nAspect == m_nCachedAspect, "Unexpected aspect is requested!\n" );
}
else
{
// TODO/LATER: this workaround must be implemented in the application
OSL_ENSURE( sal_False, "The workaround must be implemented in application, not in embedded object!\n" );
return awt::Size( 5000, 5000 );
// OSL_ENSURE( sal_False, "The size of the OLE object that can't be activated is requested!\nNo size was provided to the object for caching!\n" );
// throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "Illegal call!\n" ),
// uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ) );
}
}
return m_aCachedSize;
}
embed::VisualRepresentation SAL_CALL OleEmbeddedObject::getPreferredVisualRepresentation( sal_Int64 nAspect )
throw ( lang::IllegalArgumentException,
embed::WrongStateException,
uno::Exception,
uno::RuntimeException )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
// TODO: if the object has cached representation then it should be returned
// TODO: if the object has no cached representation and is in loaded state it should switch itself to the running state
if ( m_nObjectState == -1 )
throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "The object is not loaded!\n" ),
uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ) );
embed::VisualRepresentation aVisualRepr;
// TODO: in case of different aspects they must be applied to the mediatype and XTransferable must be used
if ( !m_xCachedVisualRepresentation.is() && m_bVisReplInStream )
m_xCachedVisualRepresentation = TryToRetrieveCachedVisualRepresentation_Impl( m_xObjectStream );
if ( m_xCachedVisualRepresentation.is() )
{
return GetVisualRepresentationInNativeFormat_Impl( m_xCachedVisualRepresentation );
}
#ifdef WNT
else if ( m_pOleComponent )
{
if ( m_nObjectState == embed::EmbedStates::LOADED )
changeState( embed::EmbedStates::RUNNING );
datatransfer::DataFlavor aDataFlavor(
::rtl::OUString::createFromAscii( "application/x-openoffice-wmf;windows_formatname=\"Image WMF\"" ),
::rtl::OUString::createFromAscii( "Windows Metafile" ),
::getCppuType( (const uno::Sequence< sal_Int8 >*) NULL ) );
aVisualRepr.Data = m_pOleComponent->getTransferData( aDataFlavor );
aVisualRepr.Flavor = aDataFlavor;
}
#endif
else
throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "Illegal call!\n" ),
uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ) );
return aVisualRepr;
}
sal_Int32 SAL_CALL OleEmbeddedObject::getMapUnit( sal_Int64 nAspect )
throw ( uno::Exception,
uno::RuntimeException)
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( m_nObjectState == -1 )
throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "The object is not loaded!\n" ),
uno::Reference< uno::XInterface >( reinterpret_cast< ::cppu::OWeakObject* >(this) ) );
return embed::EmbedMapUnits::ONE_100TH_MM;
}
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