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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 :
21 : #include <cstdio>
22 :
23 : #include <comphelper/servicedecl.hxx>
24 : #include <uno/environment.h>
25 : #include <com/sun/star/drawing/XDrawPage.hpp>
26 : #include <com/sun/star/drawing/XDrawView.hpp>
27 : #include <com/sun/star/frame/Desktop.hpp>
28 : #include <com/sun/star/frame/XController.hpp>
29 : #include <com/sun/star/view/XSelectionSupplier.hpp>
30 : #include <com/sun/star/drawing/XDrawSubController.hpp>
31 : #include <com/sun/star/container/XNamed.hpp>
32 : #include <com/sun/star/uno/XComponentContext.hpp>
33 : #include <com/sun/star/drawing/framework/XControllerManager.hpp>
34 : #include <com/sun/star/drawing/framework/XConfigurationController.hpp>
35 : #include <com/sun/star/drawing/framework/XConfiguration.hpp>
36 : #include <com/sun/star/drawing/framework/AnchorBindingMode.hpp>
37 : #include <com/sun/star/drawing/framework/XResourceId.hpp>
38 : #include <com/sun/star/drawing/framework/XResource.hpp>
39 : #include <com/sun/star/drawing/framework/XView.hpp>
40 : #include <com/sun/star/drawing/framework/ResourceId.hpp>
41 : #include <comphelper/processfactory.hxx>
42 :
43 : #include <osl/mutex.hxx>
44 :
45 : #include "svgfilter.hxx"
46 :
47 : using ::rtl::OUString;
48 : using namespace ::com::sun::star;
49 :
50 : // -------------
51 : // - SVGFilter -
52 : // -------------
53 :
54 0 : SVGFilter::SVGFilter( const Reference< XComponentContext >& rxCtx ) :
55 : mxContext( rxCtx ),
56 : mpSVGDoc( NULL ),
57 : mpSVGExport( NULL ),
58 : mpSVGFontExport( NULL ),
59 : mpSVGWriter( NULL ),
60 : mpDefaultSdrPage( NULL ),
61 : mpSdrModel( NULL ),
62 : mbPresentation( sal_False ),
63 : mbExportAll( sal_False ),
64 0 : mpObjects( NULL )
65 :
66 : {
67 0 : }
68 :
69 : // -----------------------------------------------------------------------------
70 :
71 0 : SVGFilter::~SVGFilter()
72 : {
73 : DBG_ASSERT( mpSVGDoc == NULL, "mpSVGDoc not destroyed" );
74 : DBG_ASSERT( mpSVGExport == NULL, "mpSVGExport not destroyed" );
75 : DBG_ASSERT( mpSVGFontExport == NULL, "mpSVGFontExport not destroyed" );
76 : DBG_ASSERT( mpSVGWriter == NULL, "mpSVGWriter not destroyed" );
77 : DBG_ASSERT( mpObjects == NULL, "mpObjects not destroyed" );
78 0 : }
79 :
80 : // -----------------------------------------------------------------------------
81 :
82 0 : sal_Bool SAL_CALL SVGFilter::filter( const Sequence< PropertyValue >& rDescriptor )
83 : throw (RuntimeException)
84 : {
85 0 : SolarMutexGuard aGuard;
86 0 : Window* pFocusWindow = Application::GetFocusWindow();
87 : sal_Bool bRet;
88 :
89 0 : if( pFocusWindow )
90 0 : pFocusWindow->EnterWait();
91 :
92 0 : if( mxDstDoc.is() )
93 0 : bRet = implImport( rDescriptor );
94 : #ifndef DISABLE_EXPORT
95 0 : else if( mxSrcDoc.is() )
96 : {
97 0 : if( !mbExportAll && !mSelectedPages.hasElements() )
98 : {
99 0 : uno::Reference< frame::XDesktop2 > xDesktop(frame::Desktop::create(mxContext));
100 0 : uno::Reference< frame::XFrame > xFrame(xDesktop->getCurrentFrame(),
101 0 : uno::UNO_QUERY_THROW);
102 0 : uno::Reference<frame::XController > xController(xFrame->getController(),
103 0 : uno::UNO_QUERY_THROW);
104 : uno::Reference<drawing::XDrawView > xDrawView(xController,
105 0 : uno::UNO_QUERY_THROW);
106 : uno::Reference<drawing::framework::XControllerManager> xManager(xController,
107 0 : uno::UNO_QUERY_THROW);
108 0 : uno::Reference<drawing::framework::XConfigurationController> xConfigController(xManager->getConfigurationController());
109 :
110 : // which view configuration are we in?
111 : //
112 : // * traverse Impress resources to find slide preview pane, grab selection from there
113 : // * otherwise, fallback to current slide
114 : //
115 : uno::Sequence<uno::Reference<drawing::framework::XResourceId> > aResIds(
116 0 : xConfigController->getCurrentConfiguration()->getResources(
117 : uno::Reference<drawing::framework::XResourceId>(),
118 : "",
119 0 : drawing::framework::AnchorBindingMode_INDIRECT));
120 :
121 0 : for( sal_Int32 i=0; i<aResIds.getLength(); ++i )
122 : {
123 : // can we somehow obtain the slidesorter from the Impress framework?
124 0 : if( aResIds[i]->getResourceURL() == "private:resource/view/SlideSorter" )
125 : {
126 : // got it, grab current selection from there
127 : uno::Reference<drawing::framework::XResource> xRes(
128 0 : xConfigController->getResource(aResIds[i]));
129 :
130 : uno::Reference< view::XSelectionSupplier > xSelectionSupplier(
131 : xRes,
132 0 : uno::UNO_QUERY );
133 0 : if( xSelectionSupplier.is() )
134 : {
135 0 : uno::Any aSelection = xSelectionSupplier->getSelection();
136 0 : if( aSelection.hasValue() )
137 : {
138 0 : ObjectSequence aSelectedPageSequence;
139 0 : aSelection >>= aSelectedPageSequence;
140 0 : mSelectedPages.realloc( aSelectedPageSequence.getLength() );
141 0 : for( sal_Int32 j=0; j<mSelectedPages.getLength(); ++j )
142 : {
143 0 : uno::Reference< drawing::XDrawPage > xDrawPage( aSelectedPageSequence[j],
144 0 : uno::UNO_QUERY );
145 0 : mSelectedPages[j] = xDrawPage;
146 0 : }
147 :
148 : // and stop looping. it is likely not getting better
149 0 : break;
150 0 : }
151 0 : }
152 : }
153 : }
154 :
155 0 : if( !mSelectedPages.hasElements() )
156 : {
157 : // apparently failed to glean selection - fallback to current page
158 0 : mSelectedPages.realloc( 1 );
159 0 : mSelectedPages[0] = xDrawView->getCurrentPage();
160 0 : }
161 : }
162 :
163 : /*
164 : * Export all slides, or requested "PagePos"
165 : */
166 0 : if( !mSelectedPages.hasElements() )
167 : {
168 0 : sal_Int32 nLength = rDescriptor.getLength();
169 0 : const PropertyValue* pValue = rDescriptor.getConstArray();
170 0 : sal_Int32 nPageToExport = -1;
171 :
172 0 : for ( sal_Int32 i = 0 ; i < nLength; ++i)
173 : {
174 0 : if ( pValue[ i ].Name == "PagePos" )
175 : {
176 0 : pValue[ i ].Value >>= nPageToExport;
177 : }
178 : }
179 :
180 0 : uno::Reference< drawing::XMasterPagesSupplier > xMasterPagesSupplier( mxSrcDoc, uno::UNO_QUERY );
181 0 : uno::Reference< drawing::XDrawPagesSupplier > xDrawPagesSupplier( mxSrcDoc, uno::UNO_QUERY );
182 :
183 0 : if( xMasterPagesSupplier.is() && xDrawPagesSupplier.is() )
184 : {
185 0 : uno::Reference< drawing::XDrawPages > xMasterPages( xMasterPagesSupplier->getMasterPages(), uno::UNO_QUERY );
186 0 : uno::Reference< drawing::XDrawPages > xDrawPages( xDrawPagesSupplier->getDrawPages(), uno::UNO_QUERY );
187 0 : if( xMasterPages.is() && xMasterPages->getCount() &&
188 0 : xDrawPages.is() && xDrawPages->getCount() )
189 : {
190 0 : sal_Int32 nDPCount = xDrawPages->getCount();
191 :
192 0 : mSelectedPages.realloc( nPageToExport != -1 ? 1 : nDPCount );
193 : sal_Int32 i;
194 0 : for( i = 0; i < nDPCount; ++i )
195 : {
196 0 : if( nPageToExport != -1 && nPageToExport == i )
197 : {
198 0 : uno::Reference< drawing::XDrawPage > xDrawPage( xDrawPages->getByIndex( i ), uno::UNO_QUERY );
199 0 : mSelectedPages[0] = xDrawPage;
200 : }
201 : else
202 : {
203 0 : uno::Reference< drawing::XDrawPage > xDrawPage( xDrawPages->getByIndex( i ), uno::UNO_QUERY );
204 0 : mSelectedPages[i] = xDrawPage;
205 : }
206 : }
207 0 : }
208 0 : }
209 : }
210 :
211 : /*
212 : * We get all master page that are targeted by at least one draw page.
213 : * The master page are put in an unordered set.
214 : */
215 0 : ObjectSet aMasterPageTargetSet;
216 0 : for( sal_Int32 i = 0; i < mSelectedPages.getLength(); ++i )
217 : {
218 0 : uno::Reference< drawing::XMasterPageTarget > xMasterPageTarget( mSelectedPages[i], uno::UNO_QUERY );
219 0 : if( xMasterPageTarget.is() )
220 : {
221 0 : aMasterPageTargetSet.insert( xMasterPageTarget->getMasterPage() );
222 : }
223 0 : }
224 : // Later we move them to a uno::Sequence so we can get them by index
225 0 : mMasterPageTargets.realloc( aMasterPageTargetSet.size() );
226 0 : ObjectSet::const_iterator aElem = aMasterPageTargetSet.begin();
227 0 : for( sal_Int32 i = 0; aElem != aMasterPageTargetSet.end(); ++aElem, ++i)
228 : {
229 0 : uno::Reference< drawing::XDrawPage > xMasterPage( *aElem, uno::UNO_QUERY );
230 0 : mMasterPageTargets[i] = xMasterPage;
231 0 : }
232 :
233 0 : bRet = implExport( rDescriptor );
234 : }
235 : #endif
236 : else
237 0 : bRet = sal_False;
238 :
239 0 : if( pFocusWindow )
240 0 : pFocusWindow->LeaveWait();
241 :
242 0 : return bRet;
243 : }
244 :
245 : // -----------------------------------------------------------------------------
246 :
247 0 : void SAL_CALL SVGFilter::cancel( ) throw (RuntimeException)
248 : {
249 0 : }
250 :
251 : // -----------------------------------------------------------------------------
252 :
253 0 : void SAL_CALL SVGFilter::setSourceDocument( const Reference< XComponent >& xDoc )
254 : throw (IllegalArgumentException, RuntimeException)
255 : {
256 0 : mxSrcDoc = xDoc;
257 0 : }
258 :
259 : // -----------------------------------------------------------------------------
260 :
261 0 : void SAL_CALL SVGFilter::setTargetDocument( const Reference< XComponent >& xDoc )
262 : throw (::com::sun::star::lang::IllegalArgumentException, RuntimeException)
263 : {
264 0 : mxDstDoc = xDoc;
265 0 : }
266 :
267 : // -----------------------------------------------------------------------------
268 :
269 0 : rtl::OUString SAL_CALL SVGFilter::detect( Sequence< PropertyValue >& io_rDescriptor ) throw (RuntimeException)
270 : {
271 0 : uno::Reference< io::XInputStream > xInput;
272 :
273 0 : const beans::PropertyValue* pAttribs = io_rDescriptor.getConstArray();
274 0 : const sal_Int32 nAttribs = io_rDescriptor.getLength();
275 0 : for( sal_Int32 i = 0; i < nAttribs; i++ )
276 : {
277 0 : if ( pAttribs[i].Name == "InputStream" )
278 0 : pAttribs[i].Value >>= xInput;
279 : }
280 :
281 0 : if( !xInput.is() )
282 0 : return rtl::OUString();
283 :
284 0 : uno::Reference< io::XSeekable > xSeek( xInput, uno::UNO_QUERY );
285 0 : if( xSeek.is() )
286 0 : xSeek->seek( 0 );
287 :
288 : // read the first 1024 bytes & check a few magic string
289 : // constants (heuristically)
290 0 : const sal_Int32 nLookAhead = 1024;
291 0 : uno::Sequence< sal_Int8 > aBuf( nLookAhead );
292 0 : const sal_uInt64 nBytes=xInput->readBytes(aBuf, nLookAhead);
293 0 : const sal_Int8* const pBuf=aBuf.getConstArray();
294 :
295 0 : sal_Int8 aMagic1[] = {'<', 's', 'v', 'g'};
296 0 : if( std::search(pBuf, pBuf+nBytes,
297 0 : aMagic1, aMagic1+sizeof(aMagic1)/sizeof(*aMagic1)) != pBuf+nBytes )
298 0 : return rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("svg_Scalable_Vector_Graphics") );
299 :
300 0 : sal_Int8 aMagic2[] = {'D', 'O', 'C', 'T', 'Y', 'P', 'E', ' ', 's', 'v', 'g'};
301 0 : if( std::search(pBuf, pBuf+nBytes,
302 0 : aMagic2, aMagic2+sizeof(aMagic2)/sizeof(*aMagic2)) != pBuf+nBytes )
303 0 : return rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("svg_Scalable_Vector_Graphics") );
304 :
305 0 : return rtl::OUString();
306 : }
307 :
308 : // -----------------------------------------------------------------------------
309 :
310 : namespace sdecl = comphelper::service_decl;
311 0 : sdecl::class_<SVGFilter> serviceImpl;
312 0 : const sdecl::ServiceDecl svgFilter(
313 : serviceImpl,
314 : "com.sun.star.comp.Draw.SVGFilter",
315 : "com.sun.star.document.ImportFilter;"
316 : "com.sun.star.document.ExportFilter;"
317 : "com.sun.star.document.ExtendedTypeDetection" );
318 :
319 : // The C shared lib entry points
320 0 : extern "C" SAL_DLLPUBLIC_EXPORT void* SAL_CALL svgfilter_component_getFactory(
321 : sal_Char const* pImplName,
322 : ::com::sun::star::lang::XMultiServiceFactory* pServiceManager,
323 : ::com::sun::star::registry::XRegistryKey* pRegistryKey )
324 : {
325 : return component_getFactoryHelper( pImplName, pServiceManager,
326 0 : pRegistryKey, svgFilter );
327 0 : }
328 :
329 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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