embeddedobj/source/commonembedding/visobj.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <com/sun/star/embed/Aspects.hpp>
  21 #include <com/sun/star/embed/EmbedStates.hpp>
  22 #include <com/sun/star/embed/WrongStateException.hpp>
  23 #include <com/sun/star/datatransfer/XTransferable.hpp>
  24 #include <com/sun/star/uno/Sequence.hxx>
  25 #include <com/sun/star/lang/DisposedException.hpp>
  26
  27
  28 #include <commonembobj.hxx>
  29 #include <sal/log.hxx>
  30
  31
  32 using namespace ::com::sun::star;
  33
  34 void SAL_CALL OCommonEmbeddedObject::setVisualAreaSize( sal_Int64 nAspect, const awt::Size& aSize )
  35 {
  36     ::osl::MutexGuard aGuard( m_aMutex );
  37     if ( m_bDisposed )
  38         throw lang::DisposedException(); // TODO
  39
  40     SAL_WARN_IF( nAspect == embed::Aspects::MSOLE_ICON, "embeddedobj.common", "For iconified objects no graphical replacement is required!" );
  41     if ( nAspect == embed::Aspects::MSOLE_ICON )
  42         // no representation can be retrieved
  43         throw embed::WrongStateException( u"Illegal call!"_ustr,
  44                                     static_cast< ::cppu::OWeakObject* >(this) );
  45
  46     if ( m_nObjectState == -1 )
  47         throw embed::WrongStateException( u"The own object has no persistence!"_ustr,
  48                                     static_cast< ::cppu::OWeakObject* >(this) );
  49
  50     m_bHasClonedSize = false;
  51
  52     bool bBackToLoaded = false;
  53     if ( m_nObjectState == embed::EmbedStates::LOADED )
  54     {
  55         changeState( embed::EmbedStates::RUNNING );
  56
  57         // the links should be switched back to loaded state for now to avoid locking problems
  58         bBackToLoaded = m_bIsLinkURL;
  59     }
  60
  61     bool bSuccess = m_xDocHolder->SetExtent( nAspect, aSize );
  62
  63     if ( bBackToLoaded )
  64         changeState( embed::EmbedStates::LOADED );
  65
  66     if ( !bSuccess )
  67         throw uno::Exception(u"SetExtent failed"_ustr, nullptr); // TODO:
  68 }
  69
  70 awt::Size SAL_CALL OCommonEmbeddedObject::getVisualAreaSize( sal_Int64 nAspect )
  71 {
  72     ::osl::MutexGuard aGuard( m_aMutex );
  73     if ( m_bDisposed )
  74         throw lang::DisposedException(); // TODO
  75
  76     if ( m_nObjectState == -1 )
  77         throw embed::WrongStateException( u"The own object has no persistence!"_ustr,
  78                                     static_cast< ::cppu::OWeakObject* >(this) );
  79
  80     SAL_WARN_IF( nAspect == embed::Aspects::MSOLE_ICON, "embeddedobj.common", "For iconified objects no graphical replacement is required!" );
  81
  82     if ( m_bHasClonedSize )
  83         return m_aClonedSize;
  84
  85     bool bBackToLoaded = false;
  86     if ( m_nObjectState == embed::EmbedStates::LOADED )
  87     {
  88         changeState( embed::EmbedStates::RUNNING );
  89
  90         // the links should be switched back to loaded state for now to avoid locking problems
  91         bBackToLoaded = m_bIsLinkURL;
  92     }
  93
  94     awt::Size aResult;
  95     bool bSuccess = m_xDocHolder->GetExtent( nAspect, &aResult );
  96
  97     if ( bBackToLoaded )
  98         changeState( embed::EmbedStates::LOADED );
  99
 100     if ( !bSuccess )
 101         throw uno::Exception(u"GetExtent failed"_ustr, nullptr); // TODO:
 102
 103     return aResult;
 104 }
 105
 106 sal_Int32 SAL_CALL OCommonEmbeddedObject::getMapUnit( sal_Int64 nAspect )
 107 {
 108     ::osl::MutexGuard aGuard( m_aMutex );
 109     if ( m_bDisposed )
 110         throw lang::DisposedException(); // TODO
 111
 112     SAL_WARN_IF( nAspect == embed::Aspects::MSOLE_ICON, "embeddedobj.common", "For iconified objects no graphical replacement is required!" );
 113     if ( nAspect == embed::Aspects::MSOLE_ICON )
 114         // no representation can be retrieved
 115         throw embed::WrongStateException( u"Illegal call!"_ustr,
 116                                     static_cast< ::cppu::OWeakObject* >(this) );
 117
 118     if ( m_nObjectState == -1 )
 119         throw embed::WrongStateException( u"The own object has no persistence!"_ustr,
 120                                     static_cast< ::cppu::OWeakObject* >(this) );
 121
 122     if ( m_bHasClonedSize )
 123         return m_nClonedMapUnit;
 124
 125     bool bBackToLoaded = false;
 126     if ( m_nObjectState == embed::EmbedStates::LOADED )
 127     {
 128         changeState( embed::EmbedStates::RUNNING );
 129
 130         // the links should be switched back to loaded state for now to avoid locking problems
 131         bBackToLoaded = m_bIsLinkURL;
 132     }
 133
 134     sal_Int32 nResult = m_xDocHolder->GetMapUnit( nAspect );
 135
 136     if ( bBackToLoaded )
 137         changeState( embed::EmbedStates::LOADED );
 138
 139     if ( nResult < 0  )
 140         throw uno::Exception("result " + OUString::number(nResult), nullptr); // TODO:
 141
 142     return nResult;
 143 }
 144
 145 embed::VisualRepresentation SAL_CALL OCommonEmbeddedObject::getPreferredVisualRepresentation( sal_Int64 nAspect )
 146 {
 147     ::osl::MutexGuard aGuard( m_aMutex );
 148     if ( m_bDisposed )
 149         throw lang::DisposedException(); // TODO
 150
 151     if ( m_nObjectState == -1 )
 152         throw embed::WrongStateException( u"The own object has no persistence!"_ustr,
 153                                     static_cast< ::cppu::OWeakObject* >(this) );
 154
 155
 156     SAL_WARN_IF( nAspect == embed::Aspects::MSOLE_ICON, "embeddedobj.common", "For iconified objects no graphical replacement is required!" );
 157     if ( nAspect == embed::Aspects::MSOLE_ICON )
 158         // no representation can be retrieved
 159         throw embed::WrongStateException( u"Illegal call!"_ustr,
 160                                     static_cast< ::cppu::OWeakObject* >(this) );
 161
 162     bool bBackToLoaded = false;
 163     if ( m_nObjectState == embed::EmbedStates::LOADED )
 164     {
 165         // restore original VisualAreaSize, because writer objects set
 166         // themselves to a default size OLESIZE
 167         awt::Size aOrigSize = getVisualAreaSize(nAspect);
 168         changeState(embed::EmbedStates::RUNNING);
 169         const bool bIsChart = GetDocumentServiceName() == "com.sun.star.chart2.ChartDocument";
 170         // tdf#108643 unless it's a chart, cause those are weird (#i103460#)
 171         if (!bIsChart && aOrigSize != getVisualAreaSize(nAspect))
 172             setVisualAreaSize(nAspect, aOrigSize);
 173
 174         // the links should be switched back to loaded state for now to avoid locking problems
 175         bBackToLoaded = m_bIsLinkURL;
 176     }
 177
 178     SAL_WARN_IF( !m_xDocHolder->GetComponent().is(), "embeddedobj.common", "Running or Active object has no component!" );
 179
 180     // TODO: return for the aspect of the document
 181     embed::VisualRepresentation aVisualRepresentation;
 182
 183     uno::Reference< embed::XVisualObject > xVisualObject( m_xDocHolder->GetComponent(), uno::UNO_QUERY );
 184     if( xVisualObject.is())
 185     {
 186         aVisualRepresentation = xVisualObject->getPreferredVisualRepresentation( nAspect );
 187     }
 188     else
 189     {
 190         uno::Reference< datatransfer::XTransferable > xTransferable( m_xDocHolder->GetComponent(), uno::UNO_QUERY_THROW );
 191
 192         datatransfer::DataFlavor aDataFlavor(
 193                 u"application/x-openoffice-gdimetafile;windows_formatname=\"GDIMetaFile\""_ustr,
 194                 u"GDIMetaFile"_ustr,
 195                 cppu::UnoType<uno::Sequence< sal_Int8 >>::get() );
 196
 197         if( !xTransferable->isDataFlavorSupported( aDataFlavor ))
 198             throw uno::RuntimeException();
 199         aVisualRepresentation.Data = xTransferable->getTransferData( aDataFlavor );
 200         aVisualRepresentation.Flavor = std::move(aDataFlavor);
 201     }
 202
 203     if ( bBackToLoaded )
 204         changeState( embed::EmbedStates::LOADED );
 205
 206     return aVisualRepresentation;
 207 }
 208
 209 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */