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/datatransfer/XTransferable.hpp>
  23 #include <com/sun/star/uno/Sequence.hxx>
  24 #include <com/sun/star/lang/DisposedException.hpp>
  25
  26
  27 #include <commonembobj.hxx>
  28
  29
  30 using namespace ::com::sun::star;
  31
  32 void SAL_CALL OCommonEmbeddedObject::setVisualAreaSize( sal_Int64 nAspect, const awt::Size& aSize )
  33         throw ( lang::IllegalArgumentException,
  34                 embed::WrongStateException,
  35                 uno::Exception,
  36                 uno::RuntimeException )
  37 {
  38     ::osl::MutexGuard aGuard( m_aMutex );
  39     if ( m_bDisposed )
  40         throw lang::DisposedException(); // TODO
  41
  42     SAL_WARN_IF( nAspect == embed::Aspects::MSOLE_ICON, "embeddedobj.common", "For iconified objects no graphical replacement is required!" );
  43     if ( nAspect == embed::Aspects::MSOLE_ICON )
  44         // no representation can be retrieved
  45         throw embed::WrongStateException( OUString( "Illegal call!\n" ),
  46                                     uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
  47
  48     if ( m_nObjectState == -1 )
  49         throw embed::WrongStateException( OUString( "The own object has no persistence!\n" ),
  50                                     uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
  51
  52     m_bHasClonedSize = sal_False;
  53
  54     sal_Bool bBackToLoaded = sal_False;
  55     if ( m_nObjectState == embed::EmbedStates::LOADED )
  56     {
  57         changeState( embed::EmbedStates::RUNNING );
  58
  59         // the links should be switched back to loaded state for now to avoid locking problems
  60         bBackToLoaded = m_bIsLink;
  61     }
  62
  63     sal_Bool bSuccess = m_pDocHolder->SetExtent( nAspect, aSize );
  64
  65     if ( bBackToLoaded )
  66         changeState( embed::EmbedStates::LOADED );
  67
  68     if ( !bSuccess )
  69         throw uno::Exception(); // TODO:
  70 }
  71
  72 awt::Size SAL_CALL OCommonEmbeddedObject::getVisualAreaSize( sal_Int64 nAspect )
  73         throw ( lang::IllegalArgumentException,
  74                 embed::WrongStateException,
  75                 uno::Exception,
  76                 uno::RuntimeException )
  77 {
  78     ::osl::MutexGuard aGuard( m_aMutex );
  79     if ( m_bDisposed )
  80         throw lang::DisposedException(); // TODO
  81
  82     if ( m_nObjectState == -1 )
  83         throw embed::WrongStateException( OUString( "The own object has no persistence!\n" ),
  84                                     uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
  85
  86     SAL_WARN_IF( nAspect == embed::Aspects::MSOLE_ICON, "embeddedobj.common", "For iconified objects no graphical replacement is required!" );
  87
  88     if ( m_bHasClonedSize )
  89         return m_aClonedSize;
  90
  91     sal_Bool bBackToLoaded = sal_False;
  92     if ( m_nObjectState == embed::EmbedStates::LOADED )
  93     {
  94         changeState( embed::EmbedStates::RUNNING );
  95
  96         // the links should be switched back to loaded state for now to avoid locking problems
  97         bBackToLoaded = m_bIsLink;
  98     }
  99
 100     awt::Size aResult;
 101     sal_Bool bSuccess = m_pDocHolder->GetExtent( nAspect, &aResult );
 102
 103     if ( bBackToLoaded )
 104         changeState( embed::EmbedStates::LOADED );
 105
 106     if ( !bSuccess )
 107         throw uno::Exception(); // TODO:
 108
 109     return aResult;
 110 }
 111
 112 sal_Int32 SAL_CALL OCommonEmbeddedObject::getMapUnit( sal_Int64 nAspect )
 113         throw ( uno::Exception,
 114                 uno::RuntimeException)
 115 {
 116     ::osl::MutexGuard aGuard( m_aMutex );
 117     if ( m_bDisposed )
 118         throw lang::DisposedException(); // TODO
 119
 120     SAL_WARN_IF( nAspect == embed::Aspects::MSOLE_ICON, "embeddedobj.common", "For iconified objects no graphical replacement is required!" );
 121     if ( nAspect == embed::Aspects::MSOLE_ICON )
 122         // no representation can be retrieved
 123         throw embed::WrongStateException( OUString( "Illegal call!\n" ),
 124                                     uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
 125
 126     if ( m_nObjectState == -1 )
 127         throw embed::WrongStateException( OUString( "The own object has no persistence!\n" ),
 128                                     uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
 129
 130     if ( m_bHasClonedSize )
 131         return m_nClonedMapUnit;
 132
 133     sal_Bool bBackToLoaded = sal_False;
 134     if ( m_nObjectState == embed::EmbedStates::LOADED )
 135     {
 136         changeState( embed::EmbedStates::RUNNING );
 137
 138         // the links should be switched back to loaded state for now to avoid locking problems
 139         bBackToLoaded = m_bIsLink;
 140     }
 141
 142     sal_Int32 nResult = m_pDocHolder->GetMapUnit( nAspect );
 143
 144     if ( bBackToLoaded )
 145         changeState( embed::EmbedStates::LOADED );
 146
 147     if ( nResult < 0  )
 148         throw uno::Exception(); // TODO:
 149
 150     return nResult;
 151 }
 152
 153 embed::VisualRepresentation SAL_CALL OCommonEmbeddedObject::getPreferredVisualRepresentation( sal_Int64 nAspect )
 154         throw ( lang::IllegalArgumentException,
 155                 embed::WrongStateException,
 156                 uno::Exception,
 157                 uno::RuntimeException )
 158 {
 159     ::osl::MutexGuard aGuard( m_aMutex );
 160     if ( m_bDisposed )
 161         throw lang::DisposedException(); // TODO
 162
 163     if ( m_nObjectState == -1 )
 164         throw embed::WrongStateException( OUString( "The own object has no persistence!\n" ),
 165                                     uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
 166
 167
 168     SAL_WARN_IF( nAspect == embed::Aspects::MSOLE_ICON, "embeddedobj.common", "For iconified objects no graphical replacement is required!" );
 169     if ( nAspect == embed::Aspects::MSOLE_ICON )
 170         // no representation can be retrieved
 171         throw embed::WrongStateException( OUString( "Illegal call!\n" ),
 172                                     uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) );
 173
 174     sal_Bool bBackToLoaded = sal_False;
 175     if ( m_nObjectState == embed::EmbedStates::LOADED )
 176     {
 177         changeState( embed::EmbedStates::RUNNING );
 178
 179         // the links should be switched back to loaded state for now to avoid locking problems
 180         bBackToLoaded = m_bIsLink;
 181     }
 182
 183     SAL_WARN_IF( !m_pDocHolder->GetComponent().is(), "embeddedobj.common", "Running or Active object has no component!" );
 184
 185     // TODO: return for the aspect of the document
 186     embed::VisualRepresentation aVisualRepresentation;
 187
 188     uno::Reference< embed::XVisualObject > xVisualObject( m_pDocHolder->GetComponent(), uno::UNO_QUERY );
 189     if( xVisualObject.is())
 190     {
 191         aVisualRepresentation = xVisualObject->getPreferredVisualRepresentation( nAspect );
 192     }
 193     else
 194     {
 195         uno::Reference< datatransfer::XTransferable > xTransferable( m_pDocHolder->GetComponent(), uno::UNO_QUERY );
 196         if (!xTransferable.is() )
 197             throw uno::RuntimeException();
 198
 199         datatransfer::DataFlavor aDataFlavor(
 200                 OUString( "application/x-openoffice-gdimetafile;windows_formatname=\"GDIMetaFile\"" ),
 201                 OUString( "GDIMetaFile" ),
 202                 ::getCppuType( (const uno::Sequence< sal_Int8 >*) NULL ) );
 203
 204         if( xTransferable->isDataFlavorSupported( aDataFlavor ))
 205         {
 206             aVisualRepresentation.Data = xTransferable->getTransferData( aDataFlavor );
 207             aVisualRepresentation.Flavor = aDataFlavor;
 208         }
 209         else
 210             throw uno::RuntimeException();
 211     }
 212
 213     if ( bBackToLoaded )
 214         changeState( embed::EmbedStates::LOADED );
 215
 216     return aVisualRepresentation;
 217 }
 218
 219 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */