LCOV - code coverage report
Current view: top level - embeddedobj/source/msole - olevisual.cxx (source / functions) Hit Total Coverage
Test: commit e02a6cb2c3e2b23b203b422e4e0680877f232636 Lines: 0 86 0.0 %
Date: 2014-04-14 Functions: 0 5 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       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 <com/sun/star/lang/DisposedException.hpp>
      21             : #include <com/sun/star/embed/EmbedStates.hpp>
      22             : #include <com/sun/star/embed/EmbedMapUnits.hpp>
      23             : #include <com/sun/star/embed/EmbedMisc.hpp>
      24             : #include <com/sun/star/embed/Aspects.hpp>
      25             : #include <com/sun/star/io/XSeekable.hpp>
      26             : #include <com/sun/star/embed/NoVisualAreaSizeException.hpp>
      27             : 
      28             : #include <oleembobj.hxx>
      29             : //#include <olecomponent.hxx>
      30             : #include <comphelper/mimeconfighelper.hxx>
      31             : #include <comphelper/seqstream.hxx>
      32             : 
      33             : #if defined WNT
      34             : #include <olecomponent.hxx>
      35             : #endif
      36             : 
      37             : using namespace ::com::sun::star;
      38             : using namespace ::comphelper;
      39             : 
      40           0 : embed::VisualRepresentation OleEmbeddedObject::GetVisualRepresentationInNativeFormat_Impl(
      41             :                     const uno::Reference< io::XStream > xCachedVisRepr )
      42             :         throw ( uno::Exception )
      43             : {
      44           0 :     embed::VisualRepresentation aVisualRepr;
      45             : 
      46             :     // TODO: detect the format in the future for now use workaround
      47           0 :     uno::Reference< io::XInputStream > xInStream = xCachedVisRepr->getInputStream();
      48           0 :     uno::Reference< io::XSeekable > xSeekable( xCachedVisRepr, uno::UNO_QUERY );
      49           0 :     if ( !xInStream.is() || !xSeekable.is() )
      50           0 :         throw uno::RuntimeException();
      51             : 
      52           0 :     uno::Sequence< sal_Int8 > aSeq( 2 );
      53           0 :     xInStream->readBytes( aSeq, 2 );
      54           0 :     xSeekable->seek( 0 );
      55           0 :     if ( aSeq.getLength() == 2 && aSeq[0] == 'B' && aSeq[1] == 'M' )
      56             :     {
      57             :         // it's a bitmap
      58           0 :         aVisualRepr.Flavor = datatransfer::DataFlavor(
      59             :             OUString( "application/x-openoffice-bitmap;windows_formatname=\"Bitmap\"" ),
      60             :             OUString( "Bitmap" ),
      61           0 :             ::getCppuType( (const uno::Sequence< sal_Int8 >*) NULL ) );
      62             :     }
      63             :     else
      64             :     {
      65             :         // it's a metafile
      66           0 :         aVisualRepr.Flavor = datatransfer::DataFlavor(
      67             :             OUString( "application/x-openoffice-wmf;windows_formatname=\"Image WMF\"" ),
      68             :             OUString( "Windows Metafile" ),
      69           0 :             ::getCppuType( (const uno::Sequence< sal_Int8 >*) NULL ) );
      70             :     }
      71             : 
      72           0 :     sal_Int32 nStreamLength = (sal_Int32)xSeekable->getLength();
      73           0 :     uno::Sequence< sal_Int8 > aRepresent( nStreamLength );
      74           0 :     xInStream->readBytes( aRepresent, nStreamLength );
      75           0 :     aVisualRepr.Data <<= aRepresent;
      76             : 
      77           0 :     return aVisualRepr;
      78             : }
      79             : 
      80           0 : void SAL_CALL OleEmbeddedObject::setVisualAreaSize( sal_Int64 nAspect, const awt::Size& aSize )
      81             :         throw ( lang::IllegalArgumentException,
      82             :                 embed::WrongStateException,
      83             :                 uno::Exception,
      84             :                 uno::RuntimeException, std::exception )
      85             : {
      86             :     SAL_INFO( "embeddedobj.ole", "embeddedobj (mv76033) OleEmbeddedObject::setVisualAreaSize" );
      87             : 
      88             :     // begin wrapping related part ====================
      89           0 :     uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject;
      90           0 :     if ( xWrappedObject.is() )
      91             :     {
      92             :         // the object was converted to OOo embedded object, the current implementation is now only a wrapper
      93           0 :         xWrappedObject->setVisualAreaSize( nAspect, aSize );
      94           0 :         return;
      95             :     }
      96             :     // end wrapping related part ====================
      97             : 
      98           0 :     ::osl::ResettableMutexGuard aGuard( m_aMutex );
      99           0 :     if ( m_bDisposed )
     100           0 :         throw lang::DisposedException(); // TODO
     101             : 
     102             :     SAL_WARN_IF( nAspect == embed::Aspects::MSOLE_ICON, "embeddedobj.ole", "For iconified objects no graphical replacement is required!\n" );
     103           0 :     if ( nAspect == embed::Aspects::MSOLE_ICON )
     104             :         // no representation can be retrieved
     105             :         throw embed::WrongStateException( OUString( "Illegal call!\n" ),
     106           0 :                                     uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
     107             : 
     108           0 :     if ( m_nObjectState == -1 )
     109             :         throw embed::WrongStateException( OUString( "The object is not loaded!\n" ),
     110           0 :                                     uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
     111             : 
     112             : #ifdef WNT
     113             :     // RECOMPOSE_ON_RESIZE misc flag means that the object has to be switched to running state on resize.
     114             :     // SetExtent() is called only for objects that require it,
     115             :     // it should not be called for MSWord documents to workaround problem i49369
     116             :     // If cached size is not set, that means that this is the size initialization, so there is no need to set the real size
     117             :     sal_Bool bAllowToSetExtent =
     118             :       ( ( getStatus( nAspect ) & embed::EmbedMisc::MS_EMBED_RECOMPOSEONRESIZE )
     119             :       && !MimeConfigurationHelper::ClassIDsEqual( m_aClassID, MimeConfigurationHelper::GetSequenceClassID( 0x00020906L, 0x0000, 0x0000,
     120             :                                                            0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46 ) )
     121             :       && m_bHasCachedSize );
     122             : 
     123             :     if ( m_nObjectState == embed::EmbedStates::LOADED && bAllowToSetExtent )
     124             :     {
     125             :         aGuard.clear();
     126             :         try {
     127             :             changeState( embed::EmbedStates::RUNNING );
     128             :         }
     129             :         catch( const uno::Exception& )
     130             :         {
     131             :             SAL_WARN( "embeddedobj.ole", "The object should not be resized without activation!\n" );
     132             :         }
     133             :         aGuard.reset();
     134             :     }
     135             : 
     136             :     if ( m_pOleComponent && m_nObjectState != embed::EmbedStates::LOADED && bAllowToSetExtent )
     137             :     {
     138             :         awt::Size aSizeToSet = aSize;
     139             :         aGuard.clear();
     140             :         try {
     141             :             m_pOleComponent->SetExtent( aSizeToSet, nAspect ); // will throw an exception in case of failure
     142             :             m_bHasSizeToSet = sal_False;
     143             :         }
     144             :         catch( const uno::Exception& )
     145             :         {
     146             :             // some objects do not allow to set the size even in running state
     147             :             m_bHasSizeToSet = sal_True;
     148             :             m_aSizeToSet = aSizeToSet;
     149             :             m_nAspectToSet = nAspect;
     150             :         }
     151             :         aGuard.reset();
     152             :     }
     153             : #endif
     154             : 
     155             :     // cache the values
     156           0 :     m_bHasCachedSize = sal_True;
     157           0 :     m_aCachedSize = aSize;
     158           0 :     m_nCachedAspect = nAspect;
     159             : }
     160             : 
     161           0 : awt::Size SAL_CALL OleEmbeddedObject::getVisualAreaSize( sal_Int64 nAspect )
     162             :         throw ( lang::IllegalArgumentException,
     163             :                 embed::WrongStateException,
     164             :                 uno::Exception,
     165             :                 uno::RuntimeException, std::exception )
     166             : {
     167             :     SAL_INFO( "embeddedobj.ole", "embeddedobj (mv76033) OleEmbeddedObject::getVisualAreaSize" );
     168             : 
     169             :     // begin wrapping related part ====================
     170           0 :     uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject;
     171           0 :     if ( xWrappedObject.is() )
     172             :     {
     173             :         // the object was converted to OOo embedded object, the current implementation is now only a wrapper
     174           0 :         return xWrappedObject->getVisualAreaSize( nAspect );
     175             :     }
     176             :     // end wrapping related part ====================
     177             : 
     178           0 :     ::osl::ResettableMutexGuard aGuard( m_aMutex );
     179           0 :     if ( m_bDisposed )
     180           0 :         throw lang::DisposedException(); // TODO
     181             : 
     182             :     SAL_WARN_IF( nAspect == embed::Aspects::MSOLE_ICON, "embeddedobj.ole", "For iconified objects no graphical replacement is required!" );
     183           0 :     if ( nAspect == embed::Aspects::MSOLE_ICON )
     184             :         // no representation can be retrieved
     185             :         throw embed::WrongStateException( OUString( "Illegal call!\n" ),
     186           0 :                                     uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
     187             : 
     188           0 :     if ( m_nObjectState == -1 )
     189             :         throw embed::WrongStateException( OUString( "The object is not loaded!\n" ),
     190           0 :                                     uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
     191             : 
     192           0 :     awt::Size aResult;
     193             : 
     194             : #ifdef WNT
     195             :     // TODO/LATER: Support different aspects
     196             :     if ( m_pOleComponent && !m_bHasSizeToSet && nAspect == embed::Aspects::MSOLE_CONTENT )
     197             :     {
     198             :         try
     199             :         {
     200             :             // the cached size updated every time the object is stored
     201             :             if ( m_bHasCachedSize )
     202             :             {
     203             :                 aResult = m_aCachedSize;
     204             :             }
     205             :             else
     206             :             {
     207             :                 // there is no internal cache
     208             :                 awt::Size aSize;
     209             :                 aGuard.clear();
     210             : 
     211             :                 sal_Bool bSuccess = sal_False;
     212             :                 if ( getCurrentState() == embed::EmbedStates::LOADED )
     213             :                 {
     214             :                     SAL_WARN( "embeddedobj.ole", "Loaded object has no cached size!" );
     215             : 
     216             :                     // try to switch the object to RUNNING state and request the value again
     217             :                     try {
     218             :                         changeState( embed::EmbedStates::RUNNING );
     219             :                     }
     220             :                     catch( const uno::Exception& )
     221             :                     {
     222             :                         throw embed::NoVisualAreaSizeException(
     223             :                                 OUString( "No size available!\n" ),
     224             :                                 uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
     225             :                     }
     226             :                 }
     227             : 
     228             :                 try
     229             :                 {
     230             :                     // first try to get size using replacement image
     231             :                     aSize = m_pOleComponent->GetExtent( nAspect ); // will throw an exception in case of failure
     232             :                     bSuccess = sal_True;
     233             :                 }
     234             :                 catch( const uno::Exception& )
     235             :                 {
     236             :                 }
     237             : 
     238             :                 if ( !bSuccess )
     239             :                 {
     240             :                     try
     241             :                     {
     242             :                         // second try the cached replacement image
     243             :                         aSize = m_pOleComponent->GetCachedExtent( nAspect ); // will throw an exception in case of failure
     244             :                         bSuccess = sal_True;
     245             :                     }
     246             :                     catch( const uno::Exception& )
     247             :                     {
     248             :                     }
     249             :                 }
     250             : 
     251             :                 if ( !bSuccess )
     252             :                 {
     253             :                     try
     254             :                     {
     255             :                         // third try the size reported by the object
     256             :                         aSize = m_pOleComponent->GetReccomendedExtent( nAspect ); // will throw an exception in case of failure
     257             :                         bSuccess = sal_True;
     258             :                     }
     259             :                     catch( const uno::Exception& )
     260             :                     {
     261             :                     }
     262             :                 }
     263             : 
     264             :                 if ( !bSuccess )
     265             :                     throw embed::NoVisualAreaSizeException(
     266             :                                     OUString( "No size available!\n" ),
     267             :                                     uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
     268             : 
     269             :                 aGuard.reset();
     270             : 
     271             :                 m_aCachedSize = aSize;
     272             :                 m_nCachedAspect = nAspect;
     273             :                 m_bHasCachedSize = sal_True;
     274             : 
     275             :                 aResult = m_aCachedSize;
     276             :             }
     277             :         }
     278             :         catch ( const embed::NoVisualAreaSizeException& )
     279             :         {
     280             :             throw;
     281             :         }
     282             :         catch ( const uno::Exception& )
     283             :         {
     284             :             throw embed::NoVisualAreaSizeException(
     285             :                             OUString( "No size available!\n" ),
     286             :                             uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
     287             :         }
     288             :     }
     289             :     else
     290             : #endif
     291             :     {
     292             :         // return cached value
     293           0 :         if ( m_bHasCachedSize )
     294             :         {
     295             :             SAL_WARN_IF( nAspect != m_nCachedAspect, "embeddedobj.ole", "Unexpected aspect is requested!" );
     296           0 :             aResult = m_aCachedSize;
     297             :         }
     298             :         else
     299             :         {
     300             :             throw embed::NoVisualAreaSizeException(
     301             :                             OUString( "No size available!\n" ),
     302           0 :                             uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
     303             :         }
     304             :     }
     305             : 
     306           0 :     return aResult;
     307             : }
     308             : 
     309           0 : embed::VisualRepresentation SAL_CALL OleEmbeddedObject::getPreferredVisualRepresentation( sal_Int64 nAspect )
     310             :         throw ( lang::IllegalArgumentException,
     311             :                 embed::WrongStateException,
     312             :                 uno::Exception,
     313             :                 uno::RuntimeException, std::exception )
     314             : {
     315             :     SAL_INFO( "embeddedobj.ole", "embeddedobj (mv76033) OleEmbeddedObject::getPreferredVisualRepresentation" );
     316             : 
     317             :     // begin wrapping related part ====================
     318           0 :     uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject;
     319           0 :     if ( xWrappedObject.is() )
     320             :     {
     321             :         // the object was converted to OOo embedded object, the current implementation is now only a wrapper
     322           0 :         return xWrappedObject->getPreferredVisualRepresentation( nAspect );
     323             :     }
     324             :     // end wrapping related part ====================
     325             : 
     326           0 :     ::osl::MutexGuard aGuard( m_aMutex );
     327           0 :     if ( m_bDisposed )
     328           0 :         throw lang::DisposedException(); // TODO
     329             : 
     330             :     SAL_WARN_IF( nAspect == embed::Aspects::MSOLE_ICON, "embeddedobj.ole", "For iconified objects no graphical replacement is required!" );
     331           0 :     if ( nAspect == embed::Aspects::MSOLE_ICON )
     332             :         // no representation can be retrieved
     333             :         throw embed::WrongStateException( OUString( "Illegal call!\n" ),
     334           0 :                                     uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
     335             : 
     336             :     // TODO: if the object has cached representation then it should be returned
     337             :     // TODO: if the object has no cached representation and is in loaded state it should switch itself to the running state
     338           0 :     if ( m_nObjectState == -1 )
     339             :         throw embed::WrongStateException( OUString( "The object is not loaded!\n" ),
     340           0 :                                     uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
     341             : 
     342           0 :     embed::VisualRepresentation aVisualRepr;
     343             : 
     344             :     // TODO: in case of different aspects they must be applied to the mediatype and XTransferable must be used
     345             :     // the cache is used only as a fallback if object is not in loaded state
     346           0 :     if ( !m_xCachedVisualRepresentation.is() && ( !m_bVisReplInitialized || m_bVisReplInStream )
     347           0 :       && m_nObjectState == embed::EmbedStates::LOADED )
     348             :     {
     349           0 :         m_xCachedVisualRepresentation = TryToRetrieveCachedVisualRepresentation_Impl( m_xObjectStream, sal_True );
     350           0 :         SetVisReplInStream( m_xCachedVisualRepresentation.is() );
     351             :     }
     352             : 
     353           0 :     if ( m_xCachedVisualRepresentation.is() )
     354             :     {
     355           0 :         return GetVisualRepresentationInNativeFormat_Impl( m_xCachedVisualRepresentation );
     356             :     }
     357             : #ifdef WNT
     358             :     else if ( m_pOleComponent )
     359             :     {
     360             :         try
     361             :         {
     362             :             if ( m_nObjectState == embed::EmbedStates::LOADED )
     363             :                 changeState( embed::EmbedStates::RUNNING );
     364             : 
     365             :             datatransfer::DataFlavor aDataFlavor(
     366             :                     OUString( "application/x-openoffice-wmf;windows_formatname=\"Image WMF\"" ),
     367             :                     OUString( "Windows Metafile" ),
     368             :                     ::getCppuType( (const uno::Sequence< sal_Int8 >*) NULL ) );
     369             : 
     370             :             aVisualRepr.Data = m_pOleComponent->getTransferData( aDataFlavor );
     371             :             aVisualRepr.Flavor = aDataFlavor;
     372             : 
     373             :             uno::Sequence< sal_Int8 > aVisReplSeq;
     374             :             aVisualRepr.Data >>= aVisReplSeq;
     375             :             if ( aVisReplSeq.getLength() )
     376             :             {
     377             :                 m_xCachedVisualRepresentation = GetNewFilledTempStream_Impl(
     378             :                         uno::Reference< io::XInputStream > ( static_cast< io::XInputStream* > (
     379             :                             new ::comphelper::SequenceInputStream( aVisReplSeq ) ) ) );
     380             :             }
     381             : 
     382             :             return aVisualRepr;
     383             :         }
     384             :         catch( const uno::Exception& )
     385             :         {}
     386             :     }
     387             : #endif
     388             : 
     389             :     // the cache is used only as a fallback if object is not in loaded state
     390           0 :     if ( !m_xCachedVisualRepresentation.is() && ( !m_bVisReplInitialized || m_bVisReplInStream ) )
     391             :     {
     392           0 :         m_xCachedVisualRepresentation = TryToRetrieveCachedVisualRepresentation_Impl( m_xObjectStream );
     393           0 :         SetVisReplInStream( m_xCachedVisualRepresentation.is() );
     394             :     }
     395             : 
     396           0 :     if ( !m_xCachedVisualRepresentation.is() )
     397             :     {
     398             :         // no representation can be retrieved
     399             :         throw embed::WrongStateException( OUString( "Illegal call!\n" ),
     400           0 :                                     uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
     401             :     }
     402             : 
     403           0 :     return GetVisualRepresentationInNativeFormat_Impl( m_xCachedVisualRepresentation );
     404             : }
     405             : 
     406           0 : sal_Int32 SAL_CALL OleEmbeddedObject::getMapUnit( sal_Int64 nAspect )
     407             :         throw ( uno::Exception,
     408             :                 uno::RuntimeException, std::exception)
     409             : {
     410             :     // begin wrapping related part ====================
     411           0 :     uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject;
     412           0 :     if ( xWrappedObject.is() )
     413             :     {
     414             :         // the object was converted to OOo embedded object, the current implementation is now only a wrapper
     415           0 :         return xWrappedObject->getMapUnit( nAspect );
     416             :     }
     417             :     // end wrapping related part ====================
     418             : 
     419           0 :     ::osl::MutexGuard aGuard( m_aMutex );
     420           0 :     if ( m_bDisposed )
     421           0 :         throw lang::DisposedException(); // TODO
     422             : 
     423             :     SAL_WARN_IF( nAspect == embed::Aspects::MSOLE_ICON, "embeddedobj.ole", "For iconified objects no graphical replacement is required!" );
     424           0 :     if ( nAspect == embed::Aspects::MSOLE_ICON )
     425             :         // no representation can be retrieved
     426             :         throw embed::WrongStateException( OUString( "Illegal call!\n" ),
     427           0 :                                     uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
     428             : 
     429           0 :     if ( m_nObjectState == -1 )
     430             :         throw embed::WrongStateException( OUString( "The object is not loaded!\n" ),
     431           0 :                                     uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
     432             : 
     433           0 :     return embed::EmbedMapUnits::ONE_100TH_MM;
     434             : }
     435             : 
     436             : 
     437             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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