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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/XComponentSupplier.hpp>
21 : #include <com/sun/star/embed/EmbedStates.hpp>
22 : #include <com/sun/star/embed/XVisualObject.hpp>
23 : #include <com/sun/star/embed/XEmbedPersist.hpp>
24 : #include <com/sun/star/embed/NoVisualAreaSizeException.hpp>
25 : #include <com/sun/star/datatransfer/XTransferable.hpp>
26 : #include <com/sun/star/embed/Aspects.hpp>
27 : #include <sot/exchange.hxx>
28 : #include <svtools/embedtransfer.hxx>
29 : #include <tools/mapunit.hxx>
30 : #include <vcl/outdev.hxx>
31 : #include <comphelper/storagehelper.hxx>
32 : #include <unotools/ucbstreamhelper.hxx>
33 : #include <unotools/streamwrap.hxx>
34 : #include <unotools/tempfile.hxx>
35 : #include <toolkit/helper/vclunohelper.hxx>
36 :
37 : #include <svtools/embedhlp.hxx>
38 :
39 : using namespace ::com::sun::star;
40 :
41 0 : SvEmbedTransferHelper::SvEmbedTransferHelper( const uno::Reference< embed::XEmbeddedObject >& xObj,
42 : const Graphic* pGraphic,
43 : sal_Int64 nAspect )
44 : : m_xObj( xObj )
45 0 : , m_pGraphic( pGraphic ? new Graphic( *pGraphic ) : NULL )
46 0 : , m_nAspect( nAspect )
47 : {
48 0 : if( xObj.is() )
49 : {
50 0 : TransferableObjectDescriptor aObjDesc;
51 :
52 0 : FillTransferableObjectDescriptor( aObjDesc, m_xObj, NULL, m_nAspect );
53 0 : PrepareOLE( aObjDesc );
54 : }
55 0 : }
56 :
57 :
58 :
59 0 : SvEmbedTransferHelper::~SvEmbedTransferHelper()
60 : {
61 0 : if ( m_pGraphic )
62 : {
63 0 : delete m_pGraphic;
64 0 : m_pGraphic = NULL;
65 : }
66 0 : }
67 :
68 0 : void SvEmbedTransferHelper::SetParentShellID( const OUString& rShellID )
69 : {
70 0 : maParentShellID = rShellID;
71 0 : }
72 :
73 :
74 0 : void SvEmbedTransferHelper::AddSupportedFormats()
75 : {
76 0 : AddFormat( SotClipboardFormatId::EMBED_SOURCE );
77 0 : AddFormat( SotClipboardFormatId::OBJECTDESCRIPTOR );
78 0 : AddFormat( SotClipboardFormatId::GDIMETAFILE );
79 0 : AddFormat( SotClipboardFormatId::BITMAP );
80 0 : }
81 :
82 :
83 :
84 0 : bool SvEmbedTransferHelper::GetData( const css::datatransfer::DataFlavor& rFlavor, const OUString& rDestDoc )
85 : {
86 0 : bool bRet = false;
87 :
88 0 : if( m_xObj.is() )
89 : {
90 : try
91 : {
92 0 : SotClipboardFormatId nFormat = SotExchange::GetFormat( rFlavor );
93 0 : if( HasFormat( nFormat ) )
94 : {
95 0 : if( nFormat == SotClipboardFormatId::OBJECTDESCRIPTOR )
96 : {
97 0 : TransferableObjectDescriptor aDesc;
98 0 : FillTransferableObjectDescriptor( aDesc, m_xObj, m_pGraphic, m_nAspect );
99 0 : bRet = SetTransferableObjectDescriptor( aDesc, rFlavor );
100 : }
101 0 : else if( nFormat == SotClipboardFormatId::EMBED_SOURCE )
102 : {
103 : try
104 : {
105 : // TODO/LATER: Propbably the graphic should be copied here as well
106 : // currently it is handled by the applications
107 0 : utl::TempFile aTmp;
108 0 : aTmp.EnableKillingFile( true );
109 0 : uno::Reference < embed::XEmbedPersist > xPers( m_xObj, uno::UNO_QUERY );
110 0 : if ( xPers.is() )
111 : {
112 0 : uno::Reference < embed::XStorage > xStg = comphelper::OStorageHelper::GetTemporaryStorage();
113 0 : OUString aName( "Dummy" );
114 0 : SvStream* pStream = NULL;
115 0 : bool bDeleteStream = false;
116 0 : uno::Sequence < beans::PropertyValue > aEmpty;
117 0 : uno::Sequence<beans::PropertyValue> aObjArgs(2);
118 0 : aObjArgs[0].Name = "SourceShellID";
119 0 : aObjArgs[0].Value <<= maParentShellID;
120 0 : aObjArgs[1].Name = "DestinationShellID";
121 0 : aObjArgs[1].Value <<= rDestDoc;
122 0 : xPers->storeToEntry(xStg, aName, aEmpty, aObjArgs);
123 0 : if ( xStg->isStreamElement( aName ) )
124 : {
125 0 : uno::Reference < io::XStream > xStm = xStg->cloneStreamElement( aName );
126 0 : pStream = utl::UcbStreamHelper::CreateStream( xStm );
127 0 : bDeleteStream = true;
128 : }
129 : else
130 : {
131 0 : pStream = aTmp.GetStream( STREAM_STD_READWRITE );
132 0 : uno::Reference < embed::XStorage > xStor = comphelper::OStorageHelper::GetStorageFromStream( new utl::OStreamWrapper( *pStream ) );
133 0 : xStg->openStorageElement( aName, embed::ElementModes::READ )->copyToStorage( xStor );
134 : }
135 :
136 0 : ::com::sun::star::uno::Any aAny;
137 0 : const sal_uInt32 nLen = pStream->Seek( STREAM_SEEK_TO_END );
138 0 : ::com::sun::star::uno::Sequence< sal_Int8 > aSeq( nLen );
139 :
140 0 : pStream->Seek( STREAM_SEEK_TO_BEGIN );
141 0 : pStream->Read( aSeq.getArray(), nLen );
142 0 : if ( bDeleteStream )
143 0 : delete pStream;
144 :
145 0 : if( ( bRet = ( aSeq.getLength() > 0 ) ) )
146 : {
147 0 : aAny <<= aSeq;
148 0 : SetAny( aAny, rFlavor );
149 0 : }
150 : }
151 : else
152 : {
153 : //TODO/LATER: how to handle objects without persistence?!
154 0 : }
155 : }
156 0 : catch ( uno::Exception& )
157 : {
158 : }
159 : }
160 0 : else if ( nFormat == SotClipboardFormatId::GDIMETAFILE && m_pGraphic )
161 : {
162 0 : SvMemoryStream aMemStm( 65535, 65535 );
163 0 : aMemStm.SetVersion( SOFFICE_FILEFORMAT_CURRENT );
164 :
165 0 : const GDIMetaFile& aMetaFile = m_pGraphic->GetGDIMetaFile();
166 0 : const_cast<GDIMetaFile*>(&aMetaFile)->Write( aMemStm );
167 0 : uno::Any aAny;
168 0 : aAny <<= uno::Sequence< sal_Int8 >( static_cast< const sal_Int8* >( aMemStm.GetData() ),
169 0 : aMemStm.Seek( STREAM_SEEK_TO_END ) );
170 0 : SetAny( aAny, rFlavor );
171 0 : bRet = true;
172 : }
173 0 : else if ( ( nFormat == SotClipboardFormatId::BITMAP || nFormat == SotClipboardFormatId::PNG ) && m_pGraphic )
174 : {
175 0 : bRet = SetBitmapEx( m_pGraphic->GetBitmapEx(), rFlavor );
176 : }
177 0 : else if ( m_xObj.is() && :: svt::EmbeddedObjectRef::TryRunningState( m_xObj ) )
178 : {
179 0 : uno::Reference< datatransfer::XTransferable > xTransferable( m_xObj->getComponent(), uno::UNO_QUERY );
180 0 : if ( xTransferable.is() )
181 : {
182 0 : uno::Any aAny = xTransferable->getTransferData( rFlavor );
183 0 : SetAny( aAny, rFlavor );
184 0 : bRet = true;
185 0 : }
186 : }
187 : }
188 : }
189 0 : catch( uno::Exception& )
190 : {
191 : // Error handling?
192 : }
193 : }
194 :
195 0 : return bRet;
196 : }
197 :
198 :
199 :
200 0 : void SvEmbedTransferHelper::ObjectReleased()
201 : {
202 0 : m_xObj = uno::Reference< embed::XEmbeddedObject >();
203 0 : }
204 :
205 0 : void SvEmbedTransferHelper::FillTransferableObjectDescriptor( TransferableObjectDescriptor& rDesc,
206 : const ::com::sun::star::uno::Reference< ::com::sun::star::embed::XEmbeddedObject >& xObj,
207 : const Graphic* pGraphic,
208 : sal_Int64 nAspect )
209 : {
210 : //TODO/LATER: need TypeName to fill it into the Descriptor (will be shown in listbox)
211 0 : ::com::sun::star::datatransfer::DataFlavor aFlavor;
212 0 : SotExchange::GetFormatDataFlavor( SotClipboardFormatId::OBJECTDESCRIPTOR, aFlavor );
213 :
214 0 : rDesc.maClassName = SvGlobalName( xObj->getClassID() );
215 0 : rDesc.maTypeName = aFlavor.HumanPresentableName;
216 :
217 : //TODO/LATER: the aspect size in the descriptor is wrong, unfortunately the stream
218 : // representation of the descriptor allows only 4 bytes for the aspect
219 : // so for internal transport something different should be found
220 0 : rDesc.mnViewAspect = sal::static_int_cast<sal_uInt16>( nAspect );
221 :
222 : //TODO/LATER: status needs to become sal_Int64
223 0 : rDesc.mnOle2Misc = sal::static_int_cast<sal_Int32>(xObj->getStatus( rDesc.mnViewAspect ));
224 :
225 0 : Size aSize;
226 0 : MapMode aMapMode( MAP_100TH_MM );
227 0 : if ( nAspect == embed::Aspects::MSOLE_ICON )
228 : {
229 0 : if ( pGraphic )
230 : {
231 0 : aMapMode = pGraphic->GetPrefMapMode();
232 0 : aSize = pGraphic->GetPrefSize();
233 : }
234 : else
235 0 : aSize = Size( 2500, 2500 );
236 : }
237 : else
238 : {
239 : try
240 : {
241 0 : awt::Size aSz;
242 0 : aSz = xObj->getVisualAreaSize( rDesc.mnViewAspect );
243 0 : aSize = Size( aSz.Width, aSz.Height );
244 : }
245 0 : catch( embed::NoVisualAreaSizeException& )
246 : {
247 : OSL_FAIL( "Can not get visual area size!\n" );
248 0 : aSize = Size( 5000, 5000 );
249 : }
250 :
251 : // TODO/LEAN: getMapUnit can switch object to running state
252 0 : aMapMode = MapMode( VCLUnoHelper::UnoEmbed2VCLMapUnit( xObj->getMapUnit( rDesc.mnViewAspect ) ) );
253 : }
254 :
255 0 : rDesc.maSize = OutputDevice::LogicToLogic( aSize, aMapMode, MapMode( MAP_100TH_MM ) );
256 0 : rDesc.maDragStartPos = Point();
257 0 : rDesc.maDisplayName.clear();
258 0 : rDesc.mbCanLink = false;
259 0 : }
260 :
261 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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