Bug Summary

File:home/maarten/src/libreoffice/core/include/rtl/ref.hxx
Warning:line 192, column 9
Use of memory after it is freed

Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-unknown-linux-gnu -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name fuinsert.cxx -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -mframe-pointer=all -fmath-errno -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -fno-split-dwarf-inlining -debugger-tuning=gdb -resource-dir /usr/lib64/clang/11.0.0 -isystem /usr/include/libxml2 -isystem /usr/include/dbus-1.0 -isystem /usr/lib64/dbus-1.0/include -D BOOST_ERROR_CODE_HEADER_ONLY -D BOOST_SYSTEM_NO_DEPRECATED -D CPPU_ENV=gcc3 -D LINUX -D OSL_DEBUG_LEVEL=1 -D SAL_LOG_INFO -D SAL_LOG_WARN -D UNIX -D UNX -D X86_64 -D _PTHREADS -D _REENTRANT -D SD_DLLIMPLEMENTATION -D SDUI_DLL_NAME="libsduilo.so" -D SYSTEM_LIBXML -D ENABLE_SDREMOTE -D ENABLE_SDREMOTE_BLUETOOTH -D EXCEPTIONS_ON -D LIBO_INTERNAL_ONLY -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/icu/source -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/icu/source/i18n -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/icu/source/common -I /home/maarten/src/libreoffice/core/external/boost/include -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/boost -I /home/maarten/src/libreoffice/core/external/bluez_bluetooth/inc -I /home/maarten/src/libreoffice/core/include -I /usr/lib/jvm/java-11-openjdk-11.0.9.10-0.0.ea.fc33.x86_64/include -I /usr/lib/jvm/java-11-openjdk-11.0.9.10-0.0.ea.fc33.x86_64/include/linux -I /home/maarten/src/libreoffice/core/config_host -I /home/maarten/src/libreoffice/core/sd/inc -I /home/maarten/src/libreoffice/core/sd/source/ui/inc -I /home/maarten/src/libreoffice/core/sd/source/ui/slidesorter/inc -I /home/maarten/src/libreoffice/core/workdir/SdiTarget/sd/sdi -I /home/maarten/src/libreoffice/core/workdir/CustomTarget/officecfg/registry -I /home/maarten/src/libreoffice/core/workdir/CustomTarget/oox/generated -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/udkapi/normal -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/offapi/normal -I /usr/include/glib-2.0 -I /usr/lib64/glib-2.0/include -internal-isystem /usr/bin/../lib/gcc/x86_64-redhat-linux/10/../../../../include/c++/10 -internal-isystem /usr/bin/../lib/gcc/x86_64-redhat-linux/10/../../../../include/c++/10/x86_64-redhat-linux -internal-isystem /usr/bin/../lib/gcc/x86_64-redhat-linux/10/../../../../include/c++/10/backward -internal-isystem /usr/local/include -internal-isystem /usr/lib64/clang/11.0.0/include -internal-externc-isystem /include -internal-externc-isystem /usr/include -O0 -Wno-missing-braces -std=c++17 -fdeprecated-macro -fdebug-compilation-dir /home/maarten/src/libreoffice/core -ferror-limit 19 -fvisibility hidden -fvisibility-inlines-hidden -stack-protector 2 -fgnuc-version=4.2.1 -fcxx-exceptions -fexceptions -debug-info-kind=constructor -analyzer-output=html -faddrsig -o /home/maarten/tmp/wis/scan-build-libreoffice/output/report/2020-10-07-141433-9725-1 -x c++ /home/maarten/src/libreoffice/core/sd/source/ui/func/fuinsert.cxx

/home/maarten/src/libreoffice/core/sd/source/ui/func/fuinsert.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 <config_features.h>
21
22#include <fuinsert.hxx>
23#include <comphelper/storagehelper.hxx>
24#include <editeng/outlobj.hxx>
25#include <toolkit/helper/vclunohelper.hxx>
26#include <svx/svxdlg.hxx>
27#include <com/sun/star/embed/EmbedVerbs.hpp>
28#include <com/sun/star/embed/NoVisualAreaSizeException.hpp>
29#include <com/sun/star/embed/Aspects.hpp>
30#include <com/sun/star/embed/XEmbeddedObject.hpp>
31#include <com/sun/star/chart2/XChartDocument.hpp>
32
33#include <svl/stritem.hxx>
34#include <sfx2/docfile.hxx>
35#include <sfx2/msgpool.hxx>
36#include <sfx2/msg.hxx>
37#include <svtools/insdlg.hxx>
38#include <sfx2/request.hxx>
39#include <svl/globalnameitem.hxx>
40#include <svtools/miscopt.hxx>
41#include <svtools/embedhlp.hxx>
42#include <svx/linkwarn.hxx>
43#include <avmedia/mediawindow.hxx>
44#include <comphelper/classids.hxx>
45#include <svtools/sfxecode.hxx>
46#include <vcl/transfer.hxx>
47#include <svl/urlbmk.hxx>
48#include <svx/svdobj.hxx>
49#include <svx/svdograf.hxx>
50#include <svx/svdoole2.hxx>
51#include <sot/formats.hxx>
52#include <svx/svdpagv.hxx>
53#include <sfx2/opengrf.hxx>
54#include <sfx2/viewfrm.hxx>
55#include <svx/charthelper.hxx>
56#include <svx/svxids.hrc>
57
58#include <sdresid.hxx>
59#include <View.hxx>
60#include <sdmod.hxx>
61#include <Window.hxx>
62#include <DrawViewShell.hxx>
63#include <DrawDocShell.hxx>
64#include <GraphicDocShell.hxx>
65#include <strings.hrc>
66#include <drawdoc.hxx>
67#include <sdpage.hxx>
68#include <sdgrffilter.hxx>
69#include <vcl/svapp.hxx>
70#include <memory>
71#include <vcl/weld.hxx>
72#include <vcl/errinf.hxx>
73#include <vcl/graphicfilter.hxx>
74
75#include <vcl/GraphicNativeTransform.hxx>
76#include <vcl/GraphicNativeMetadata.hxx>
77
78#include <comphelper/lok.hxx>
79
80using namespace com::sun::star;
81
82namespace sd {
83
84
85FuInsertGraphic::FuInsertGraphic (
86 ViewShell* pViewSh,
87 ::sd::Window* pWin,
88 ::sd::View* pView,
89 SdDrawDocument* pDoc,
90 SfxRequest& rReq,
91 bool replaceExistingImage)
92 : FuPoor(pViewSh, pWin, pView, pDoc, rReq),
93 mbReplaceExistingImage(replaceExistingImage)
94{
95}
96
97rtl::Reference<FuPoor> FuInsertGraphic::Create( ViewShell* pViewSh, ::sd::Window* pWin, ::sd::View* pView,
98 SdDrawDocument* pDoc, SfxRequest& rReq, bool replaceExistingImage )
99{
100 rtl::Reference<FuPoor> xFunc( new FuInsertGraphic( pViewSh, pWin, pView, pDoc, rReq, replaceExistingImage ) );
101 xFunc->DoExecute(rReq);
102 return xFunc;
103}
104
105void FuInsertGraphic::DoExecute( SfxRequest& rReq )
106{
107 OUString aFileName;
108 OUString aFilterName;
109 Graphic aGraphic;
110
111 bool bAsLink = false;
112 ErrCode nError = ERRCODE_GRFILTER_OPENERRORErrCode(ErrCodeArea::Vcl, ErrCodeClass::General, 1);
113
114 const SfxItemSet* pArgs = rReq.GetArgs();
115 const SfxPoolItem* pItem;
116
117 if ( pArgs &&
118 pArgs->GetItemState( SID_INSERT_GRAPHICTypedWhichId<SfxStringItem>( 10000 + 241 ), true, &pItem ) == SfxItemState::SET )
119 {
120 aFileName = static_cast<const SfxStringItem*>(pItem)->GetValue();
121
122 if ( pArgs->GetItemState( FN_PARAM_FILTER((20000 + 1100) + 30), true, &pItem ) == SfxItemState::SET )
123 aFilterName = static_cast<const SfxStringItem*>(pItem)->GetValue();
124
125 if ( pArgs->GetItemState( FN_PARAM_1((20000 + 1100)+60), true, &pItem ) == SfxItemState::SET )
126 bAsLink = static_cast<const SfxBoolItem*>(pItem)->GetValue();
127
128 nError = GraphicFilter::LoadGraphic( aFileName, aFilterName, aGraphic, &GraphicFilter::GetGraphicFilter() );
129 }
130 else
131 {
132 SvxOpenGraphicDialog aDlg(SdResId(STR_INSERTGRAPHICreinterpret_cast<char const *>("STR_INSERTGRAPHIC" "\004"
u8"Insert Image")
), mpWindow ? mpWindow->GetFrameWeld() : nullptr);
133
134 if( aDlg.Execute() != ERRCODE_NONEErrCode(0) )
135 return; // cancel dialog
136
137 nError = aDlg.GetGraphic(aGraphic);
138 bAsLink = aDlg.IsAsLink();
139 aFileName = aDlg.GetPath();
140 aFilterName = aDlg.GetDetectedFilter();
141 }
142
143 if( nError == ERRCODE_NONEErrCode(0) )
144 {
145 GraphicNativeMetadata aMetadata;
146 if ( aMetadata.read(aGraphic) )
147 {
148 const sal_uInt16 aRotation = aMetadata.getRotation();
149 if (aRotation != 0)
150 {
151 std::unique_ptr<weld::MessageDialog> xQueryBox(Application::CreateMessageDialog(nullptr, VclMessageType::Question,VclButtonsType::YesNo,SdResId(STR_QUERYROTATIONreinterpret_cast<char const *>("STR_QUERYROTATION" "\004"
u8"This image is rotated. Would you like to rotate it into standard orientation?"
)
)));
152 if (xQueryBox->run() == RET_YES)
153 {
154 GraphicNativeTransform aTransform( aGraphic );
155 aTransform.rotate( aRotation );
156 }
157 }
158 }
159 if( dynamic_cast< DrawViewShell *>( mpViewShell ) )
160 {
161 sal_Int8 nAction = DND_ACTION_COPYcss::datatransfer::dnd::DNDConstants::ACTION_COPY;
162 SdrObject* pPickObj = nullptr;
163 if (mbReplaceExistingImage)
164 pPickObj = mpView->GetSelectedSingleObject( mpView->GetPage() );
165 if (pPickObj)
166 nAction = DND_ACTION_LINKcss::datatransfer::dnd::DNDConstants::ACTION_LINK;
167 else
168 {
169 pPickObj = mpView->GetEmptyPresentationObject( PresObjKind::Graphic );
170 if (pPickObj)
171 nAction = DND_ACTION_LINKcss::datatransfer::dnd::DNDConstants::ACTION_LINK;
172 }
173
174 Point aPos = mpWindow->GetVisibleCenter();
175 SdrGrafObj* pGrafObj = mpView->InsertGraphic(aGraphic, nAction, aPos, pPickObj, nullptr);
176
177 if(pGrafObj && bAsLink )
178 {
179 // really store as link only?
180 if( SvtMiscOptions().ShowLinkWarningDialog() )
181 {
182 SvxLinkWarningDialog aWarnDlg(mpWindow->GetFrameWeld(), aFileName);
183 if (aWarnDlg.run() != RET_OK)
184 return; // don't store as link
185 }
186
187 // store as link
188 OUString aReferer;
189 if (mpDocSh->HasName()) {
190 aReferer = mpDocSh->GetMedium()->GetName();
191 }
192 pGrafObj->SetGraphicLink(aFileName, aReferer, aFilterName);
193 }
194 }
195 }
196 else
197 {
198 SdGRFFilter::HandleGraphicFilterError( nError, GraphicFilter::GetGraphicFilter().GetLastError().nStreamError );
199 }
200}
201
202FuInsertClipboard::FuInsertClipboard (
203 ViewShell* pViewSh,
204 ::sd::Window* pWin,
205 ::sd::View* pView,
206 SdDrawDocument* pDoc,
207 SfxRequest& rReq)
208 : FuPoor(pViewSh, pWin, pView, pDoc, rReq)
209{
210}
211
212rtl::Reference<FuPoor> FuInsertClipboard::Create( ViewShell* pViewSh, ::sd::Window* pWin, ::sd::View* pView, SdDrawDocument* pDoc, SfxRequest& rReq )
213{
214 rtl::Reference<FuPoor> xFunc( new FuInsertClipboard( pViewSh, pWin, pView, pDoc, rReq ) );
215 xFunc->DoExecute(rReq);
216 return xFunc;
217}
218
219void FuInsertClipboard::DoExecute( SfxRequest& )
220{
221 TransferableDataHelper aDataHelper( TransferableDataHelper::CreateFromSystemClipboard( mpWindow ) );
222 SotClipboardFormatId nFormatId;
223
224 SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
225 ScopedVclPtr<SfxAbstractPasteDialog> pDlg(pFact->CreatePasteDialog(mpViewShell->GetFrameWeld()));
1
Calling constructor for 'ScopedVclPtr<SfxAbstractPasteDialog>'
8
Returning from constructor for 'ScopedVclPtr<SfxAbstractPasteDialog>'
9
Calling implicit destructor for 'VclPtr<SfxAbstractPasteDialog>'
10
Calling '~Reference'
17
Returning from '~Reference'
18
Returning from destructor for 'VclPtr<SfxAbstractPasteDialog>'
226 pDlg->Insert( SotClipboardFormatId::EMBED_SOURCE, OUString() );
19
Calling 'VclPtr::operator->'
227 pDlg->Insert( SotClipboardFormatId::LINK_SOURCE, OUString() );
228 pDlg->Insert( SotClipboardFormatId::DRAWING, OUString() );
229 pDlg->Insert( SotClipboardFormatId::SVXB, OUString() );
230 pDlg->Insert( SotClipboardFormatId::GDIMETAFILE, OUString() );
231 pDlg->Insert( SotClipboardFormatId::BITMAP, OUString() );
232 pDlg->Insert( SotClipboardFormatId::NETSCAPE_BOOKMARK, OUString() );
233 pDlg->Insert( SotClipboardFormatId::STRING, OUString() );
234 pDlg->Insert( SotClipboardFormatId::HTML, OUString() );
235 pDlg->Insert( SotClipboardFormatId::RTF, OUString() );
236 pDlg->Insert( SotClipboardFormatId::RICHTEXT, OUString() );
237 pDlg->Insert( SotClipboardFormatId::EDITENGINE_ODF_TEXT_FLAT, OUString() );
238
239 //TODO/MBA: testing
240 nFormatId = pDlg->GetFormat( aDataHelper );
241 if( nFormatId == SotClipboardFormatId::NONE || !aDataHelper.GetTransferable().is() )
242 return;
243
244 sal_Int8 nAction = DND_ACTION_COPYcss::datatransfer::dnd::DNDConstants::ACTION_COPY;
245 DrawViewShell* pDrViewSh = nullptr;
246
247 if (!mpView->InsertData( aDataHelper,
248 mpWindow->PixelToLogic( ::tools::Rectangle( Point(), mpWindow->GetOutputSizePixel() ).Center() ),
249 nAction, false, nFormatId ))
250 {
251 pDrViewSh = dynamic_cast<DrawViewShell*>(mpViewShell);
252 }
253
254 if (!pDrViewSh)
255 return;
256
257 INetBookmark aINetBookmark( "", "" );
258
259 if( ( aDataHelper.HasFormat( SotClipboardFormatId::NETSCAPE_BOOKMARK ) &&
260 aDataHelper.GetINetBookmark( SotClipboardFormatId::NETSCAPE_BOOKMARK, aINetBookmark ) ) ||
261 ( aDataHelper.HasFormat( SotClipboardFormatId::FILEGRPDESCRIPTOR ) &&
262 aDataHelper.GetINetBookmark( SotClipboardFormatId::FILEGRPDESCRIPTOR, aINetBookmark ) ) ||
263 ( aDataHelper.HasFormat( SotClipboardFormatId::UNIFORMRESOURCELOCATOR ) &&
264 aDataHelper.GetINetBookmark( SotClipboardFormatId::UNIFORMRESOURCELOCATOR, aINetBookmark ) ) )
265 {
266 pDrViewSh->InsertURLField( aINetBookmark.GetURL(), aINetBookmark.GetDescription(), "" );
267 }
268}
269
270FuInsertOLE::FuInsertOLE (
271 ViewShell* pViewSh,
272 ::sd::Window* pWin,
273 ::sd::View* pView,
274 SdDrawDocument* pDoc,
275 SfxRequest& rReq)
276 : FuPoor(pViewSh, pWin, pView, pDoc, rReq)
277{
278}
279
280rtl::Reference<FuPoor> FuInsertOLE::Create( ViewShell* pViewSh, ::sd::Window* pWin, ::sd::View* pView, SdDrawDocument* pDoc, SfxRequest& rReq )
281{
282 rtl::Reference<FuPoor> xFunc( new FuInsertOLE( pViewSh, pWin, pView, pDoc, rReq ) );
283 xFunc->DoExecute(rReq);
284 return xFunc;
285}
286
287void FuInsertOLE::DoExecute( SfxRequest& rReq )
288{
289 if ( nSlotId == SID_ATTR_TABLE( 10000 + 217 ) ||
290 nSlotId == SID_INSERT_DIAGRAM( 10000 + 140 ) ||
291 nSlotId == SID_INSERT_MATH(27000 +106) )
292 {
293 PresObjKind ePresObjKind = (nSlotId == SID_INSERT_DIAGRAM( 10000 + 140 )) ? PresObjKind::Chart : PresObjKind::Object;
294
295 SdrObject* pPickObj = mpView->GetEmptyPresentationObject( ePresObjKind );
296
297 // insert diagram or Calc table
298 OUString aObjName;
299 SvGlobalName aName;
300 if (nSlotId == SID_INSERT_DIAGRAM( 10000 + 140 ))
301 aName = SvGlobalName( SO3_SCH_CLASSID0x12DCAE26, 0x281F, 0x416F, 0xA2, 0x34, 0xC3, 0x08, 0x61, 0x27
, 0x38, 0x2E
);
302 else if (nSlotId == SID_ATTR_TABLE( 10000 + 217 ))
303 aName = SvGlobalName(SO3_SC_CLASSID0x47BBB4CB, 0xCE4C, 0x4E80, 0xA5, 0x91, 0x42, 0xD9, 0xAE, 0x74
, 0x95, 0x0F
);
304 else if (nSlotId == SID_INSERT_MATH(27000 +106))
305 aName = SvGlobalName(SO3_SM_CLASSID0x078B7ABA, 0x54FC, 0x457F, 0x85, 0x51, 0x61, 0x47, 0xE7, 0x76
, 0xA9, 0x97
);
306
307 uno::Reference < embed::XEmbeddedObject > xObj = mpViewShell->GetViewFrame()->GetObjectShell()->
308 GetEmbeddedObjectContainer().CreateEmbeddedObject( aName.GetByteSequence(), aObjName );
309 if ( xObj.is() )
310 {
311 // Create default chart type.
312 uno::Reference<chart2::XChartDocument> xChartDoc(xObj->getComponent(), uno::UNO_QUERY);
313 if (xChartDoc.is())
314 xChartDoc->createDefaultChart();
315
316 sal_Int64 nAspect = embed::Aspects::MSOLE_CONTENT;
317
318 MapUnit aUnit = VCLUnoHelper::UnoEmbed2VCLMapUnit( xObj->getMapUnit( nAspect ) );
319
320 ::tools::Rectangle aRect;
321 if( pPickObj )
322 {
323 aRect = pPickObj->GetLogicRect();
324
325 awt::Size aSz;
326 aSz.Width = aRect.GetWidth();
327 aSz.Height = aRect.GetHeight();
328 xObj->setVisualAreaSize( nAspect, aSz );
329 }
330 else
331 {
332 awt::Size aSz;
333 try
334 {
335 aSz = xObj->getVisualAreaSize( nAspect );
336 }
337 catch ( embed::NoVisualAreaSizeException& )
338 {
339 // the default size will be set later
340 }
341
342 Size aSize( aSz.Width, aSz.Height );
343
344 if (aSize.IsEmpty())
345 {
346 // rectangle with balanced edge ratio
347 aSize.setWidth( 14100 );
348 aSize.setHeight( 10000 );
349 Size aTmp = OutputDevice::LogicToLogic(aSize, MapMode(MapUnit::Map100thMM), MapMode(aUnit));
350 aSz.Width = aTmp.Width();
351 aSz.Height = aTmp.Height();
352 xObj->setVisualAreaSize( nAspect, aSz );
353 }
354 else
355 {
356 aSize = OutputDevice::LogicToLogic(aSize, MapMode(aUnit), MapMode(MapUnit::Map100thMM));
357 }
358
359 Point aPos = mpWindow->GetVisibleCenter();
360 aPos.AdjustX( -(aSize.Width() / 2) );
361 aPos.AdjustY( -(aSize.Height() / 2) );
362 aRect = ::tools::Rectangle(aPos, aSize);
363 }
364
365 SdrOle2Obj* pOleObj = new SdrOle2Obj(
366 mpView->getSdrModelFromSdrView(),
367 svt::EmbeddedObjectRef( xObj, nAspect ),
368 aObjName,
369 aRect);
370 SdrPageView* pPV = mpView->GetSdrPageView();
371
372 // if we have a pick obj we need to make this new ole a pres obj replacing the current pick obj
373 if( pPickObj )
374 {
375 SdPage* pPage = static_cast< SdPage* >(pPickObj->getSdrPageFromSdrObject());
376 if(pPage && pPage->IsPresObj(pPickObj))
377 {
378 pPage->InsertPresObj( pOleObj, ePresObjKind );
379 pOleObj->SetUserCall(pPickObj->GetUserCall());
380 }
381
382 // #i123468# we need to end text edit before replacing the object. There cannot yet
383 // being text typed (else it would not be an EmptyPresObj anymore), but it may be
384 // in text edit mode
385 if (mpView->IsTextEdit())
386 {
387 mpView->SdrEndTextEdit();
388 }
389 }
390
391 bool bRet = true;
392 if( pPickObj )
393 mpView->ReplaceObjectAtView(pPickObj, *pPV, pOleObj );
394 else
395 bRet = mpView->InsertObjectAtView(pOleObj, *pPV, SdrInsertFlags::SETDEFLAYER);
396
397 if (bRet && !comphelper::LibreOfficeKit::isActive())
398 {
399 // Let the chart be activated after the inserting (unless
400 // via LibreOfficeKit)
401 if (nSlotId == SID_INSERT_DIAGRAM( 10000 + 140 ))
402 {
403 pOleObj->SetProgName( "StarChart");
404 }
405 else if (nSlotId == SID_ATTR_TABLE( 10000 + 217 ))
406 {
407 pOleObj->SetProgName( "StarCalc" );
408 }
409 else if (nSlotId == SID_INSERT_MATH(27000 +106))
410 {
411 pOleObj->SetProgName( "StarMath" );
412 }
413
414 pOleObj->SetLogicRect(aRect);
415 Size aTmp( OutputDevice::LogicToLogic(aRect.GetSize(), MapMode(MapUnit::Map100thMM), MapMode(aUnit)) );
416 awt::Size aVisualSize;
417 aVisualSize.Width = aTmp.Width();
418 aVisualSize.Height = aTmp.Height();
419 xObj->setVisualAreaSize( nAspect, aVisualSize );
420 mpViewShell->ActivateObject(pOleObj, embed::EmbedVerbs::MS_OLEVERB_SHOW);
421
422 if (nSlotId == SID_INSERT_DIAGRAM( 10000 + 140 ))
423 {
424 // note, that this call modified the chart model which
425 // results in a change notification. So call this after
426 // everything else is finished.
427 ChartHelper::AdaptDefaultsForChart( xObj );
428 }
429 }
430 }
431 else
432 {
433 ErrorHandler::HandleError(* new StringErrorInfo(ERRCODE_SFX_OLEGENERALErrCode(ErrCodeArea::Sfx, ErrCodeClass::NONE, 14),
434 "" ) );
435 }
436 }
437 else
438 {
439 // insert object
440 sal_Int64 nAspect = embed::Aspects::MSOLE_CONTENT;
441 bool bCreateNew = false;
442 uno::Reference < embed::XEmbeddedObject > xObj;
443 uno::Reference < embed::XStorage > xStorage = comphelper::OStorageHelper::GetTemporaryStorage();
444 SvObjectServerList aServerLst;
445 OUString aName;
446
447 OUString aIconMediaType;
448 uno::Reference< io::XInputStream > xIconMetaFile;
449
450 const SfxGlobalNameItem* pNameItem = rReq.GetArg<SfxGlobalNameItem>(SID_INSERT_OBJECT(5000 + 561));
451 if ( nSlotId == SID_INSERT_OBJECT(5000 + 561) && pNameItem )
452 {
453 const SvGlobalName& aClassName = pNameItem->GetValue();
454 xObj = mpViewShell->GetViewFrame()->GetObjectShell()->
455 GetEmbeddedObjectContainer().CreateEmbeddedObject( aClassName.GetByteSequence(), aName );
456 }
457 else
458 {
459 switch ( nSlotId )
460 {
461 case SID_INSERT_OBJECT(5000 + 561) :
462 {
463 aServerLst.FillInsertObjects();
464 if (mpDoc->GetDocumentType() == DocumentType::Draw)
465 {
466 aServerLst.Remove( GraphicDocShell::Factory().GetClassId() );
467 }
468 else
469 {
470 aServerLst.Remove( DrawDocShell::Factory().GetClassId() );
471 }
472
473 [[fallthrough]];
474 }
475 case SID_INSERT_FLOATINGFRAME(5000 + 563) :
476 {
477 SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
478 ScopedVclPtr<SfxAbstractInsertObjectDialog> pDlg(
479 pFact->CreateInsertObjectDialog( mpViewShell->GetFrameWeld(), SD_MOD()( static_cast<SdModule*>(SfxApplication::GetModule(SfxToolsModule
::Draw)) )
->GetSlotPool()->GetSlot(nSlotId)->GetCommandString(),
480 xStorage, &aServerLst ));
481 pDlg->Execute();
482 bCreateNew = pDlg->IsCreateNew();
483 xObj = pDlg->GetObject();
484
485 xIconMetaFile = pDlg->GetIconIfIconified( &aIconMediaType );
486 if ( xIconMetaFile.is() )
487 nAspect = embed::Aspects::MSOLE_ICON;
488
489 if ( xObj.is() )
490 mpViewShell->GetObjectShell()->GetEmbeddedObjectContainer().InsertEmbeddedObject( xObj, aName );
491
492 break;
493 }
494 }
495 }
496
497 try
498 {
499 if (xObj.is())
500 {
501 bool bInsertNewObject = true;
502
503 Size aSize;
504 MapUnit aMapUnit = MapUnit::Map100thMM;
505 if ( nAspect != embed::Aspects::MSOLE_ICON )
506 {
507 awt::Size aSz;
508 try
509 {
510 aSz = xObj->getVisualAreaSize( nAspect );
511 }
512 catch( embed::NoVisualAreaSizeException& )
513 {
514 // the default size will be set later
515 }
516
517 aSize =Size( aSz.Width, aSz.Height );
518
519 aMapUnit = VCLUnoHelper::UnoEmbed2VCLMapUnit( xObj->getMapUnit( nAspect ) );
520 if (aSize.IsEmpty())
521 {
522 // rectangle with balanced edge ratio
523 aSize.setWidth( 14100 );
524 aSize.setHeight( 10000 );
525 Size aTmp = OutputDevice::LogicToLogic(aSize, MapMode(MapUnit::Map100thMM), MapMode(aMapUnit));
526 aSz.Width = aTmp.Width();
527 aSz.Height = aTmp.Height();
528 xObj->setVisualAreaSize( nAspect, aSz );
529 }
530 else
531 {
532 aSize = OutputDevice::LogicToLogic(aSize, MapMode(aMapUnit), MapMode(MapUnit::Map100thMM));
533 }
534 }
535
536 if ( mpView->AreObjectsMarked() )
537 {
538 // as an empty OLE object available?
539 const SdrMarkList& rMarkList = mpView->GetMarkedObjectList();
540
541 if (rMarkList.GetMarkCount() == 1)
542 {
543 SdrMark* pMark = rMarkList.GetMark(0);
544 SdrObject* pObj = pMark->GetMarkedSdrObj();
545
546 if (pObj->GetObjInventor() == SdrInventor::Default &&
547 pObj->GetObjIdentifier() == OBJ_OLE2)
548 {
549 if ( !static_cast<SdrOle2Obj*>(pObj)->GetObjRef().is() )
550 {
551 // the empty OLE object gets a new IPObj
552 bInsertNewObject = false;
553 pObj->SetEmptyPresObj(false);
554 static_cast<SdrOle2Obj*>(pObj)->SetOutlinerParaObject(nullptr);
555 static_cast<SdrOle2Obj*>(pObj)->SetObjRef(xObj);
556 static_cast<SdrOle2Obj*>(pObj)->SetPersistName(aName);
557 static_cast<SdrOle2Obj*>(pObj)->SetName(aName);
558 static_cast<SdrOle2Obj*>(pObj)->SetAspect(nAspect);
559 ::tools::Rectangle aRect = static_cast<SdrOle2Obj*>(pObj)->GetLogicRect();
560
561 if ( nAspect == embed::Aspects::MSOLE_ICON )
562 {
563 if( xIconMetaFile.is() )
564 static_cast<SdrOle2Obj*>(pObj)->SetGraphicToObj( xIconMetaFile, aIconMediaType );
565 }
566 else
567 {
568 Size aTmp = OutputDevice::LogicToLogic(aRect.GetSize(), MapMode(MapUnit::Map100thMM), MapMode(aMapUnit));
569 awt::Size aSz( aTmp.Width(), aTmp.Height() );
570 xObj->setVisualAreaSize( nAspect, aSz );
571 }
572 }
573 }
574 }
575 }
576
577 if (bInsertNewObject)
578 {
579 // we create a new OLE object
580 SdrPageView* pPV = mpView->GetSdrPageView();
581 Size aPageSize = pPV->GetPage()->GetSize();
582
583 // get the size from the iconified object
584 ::svt::EmbeddedObjectRef aObjRef( xObj, nAspect );
585 if ( nAspect == embed::Aspects::MSOLE_ICON )
586 {
587 aObjRef.SetGraphicStream( xIconMetaFile, aIconMediaType );
588 MapMode aMapMode( MapUnit::Map100thMM );
589 aSize = aObjRef.GetSize( &aMapMode );
590 }
591
592 Point aPnt ((aPageSize.Width() - aSize.Width()) / 2,
593 (aPageSize.Height() - aSize.Height()) / 2);
594 ::tools::Rectangle aRect (aPnt, aSize);
595 SdrOle2Obj* pObj = new SdrOle2Obj(
596 mpView->getSdrModelFromSdrView(),
597 aObjRef,
598 aName,
599 aRect);
600
601 if( mpView->InsertObjectAtView(pObj, *pPV, SdrInsertFlags::SETDEFLAYER) )
602 {
603 // Math objects change their object size during InsertObject.
604 // New size must be set in SdrObject, or a wrong scale will be set at
605 // ActivateObject.
606
607 if ( nAspect != embed::Aspects::MSOLE_ICON )
608 {
609 try
610 {
611 awt::Size aSz = xObj->getVisualAreaSize( nAspect );
612
613 Size aNewSize = Window::LogicToLogic( Size( aSz.Width, aSz.Height ),
614 MapMode( aMapUnit ), MapMode( MapUnit::Map100thMM ) );
615 if ( aNewSize != aSize )
616 {
617 aRect.SetSize( aNewSize );
618 pObj->SetLogicRect( aRect );
619 }
620 }
621 catch( embed::NoVisualAreaSizeException& )
622 {}
623 }
624
625 if (bCreateNew)
626 {
627 pObj->SetLogicRect(aRect);
628
629 if ( nAspect != embed::Aspects::MSOLE_ICON )
630 {
631 Size aTmp = OutputDevice::LogicToLogic(aRect.GetSize(), MapMode(MapUnit::Map100thMM), MapMode(aMapUnit));
632 awt::Size aSz( aTmp.Width(), aTmp.Height() );
633 xObj->setVisualAreaSize( nAspect, aSz );
634 }
635
636 mpViewShell->ActivateObject(pObj, embed::EmbedVerbs::MS_OLEVERB_SHOW);
637 }
638
639 Size aVisSizePixel = mpWindow->GetOutputSizePixel();
640 ::tools::Rectangle aVisAreaWin = mpWindow->PixelToLogic( ::tools::Rectangle( Point(0,0), aVisSizePixel) );
641 mpViewShell->VisAreaChanged(aVisAreaWin);
642 mpDocSh->SetVisArea(aVisAreaWin);
643 }
644 }
645 }
646 }
647 catch (uno::Exception&)
648 {
649 // For some reason the object can not be inserted. For example
650 // because it is password protected and is not properly unlocked.
651 }
652 }
653}
654
655FuInsertAVMedia::FuInsertAVMedia(
656 ViewShell* pViewSh,
657 ::sd::Window* pWin,
658 ::sd::View* pView,
659 SdDrawDocument* pDoc,
660 SfxRequest& rReq)
661 : FuPoor(pViewSh, pWin, pView, pDoc, rReq)
662{
663}
664
665rtl::Reference<FuPoor> FuInsertAVMedia::Create( ViewShell* pViewSh, ::sd::Window* pWin, ::sd::View* pView, SdDrawDocument* pDoc, SfxRequest& rReq )
666{
667 rtl::Reference<FuPoor> xFunc( new FuInsertAVMedia( pViewSh, pWin, pView, pDoc, rReq ) );
668 xFunc->DoExecute(rReq);
669 return xFunc;
670}
671
672void FuInsertAVMedia::DoExecute( SfxRequest& rReq )
673{
674#if HAVE_FEATURE_AVMEDIA1
675 OUString aURL;
676 const SfxItemSet* pReqArgs = rReq.GetArgs();
677 bool bAPI = false;
678
679 if( pReqArgs )
680 {
681 const SfxStringItem* pStringItem = dynamic_cast<const SfxStringItem*>( &pReqArgs->Get( rReq.GetSlot() ) );
682
683 if( pStringItem )
684 {
685 aURL = pStringItem->GetValue();
686 bAPI = !aURL.isEmpty();
687 }
688 }
689
690 bool bLink(true);
691 if (!(bAPI
692 || ::avmedia::MediaWindow::executeMediaURLDialog(mpWindow ? mpWindow->GetFrameWeld() : nullptr, aURL, & bLink)
693 ))
694 return;
695
696 Size aPrefSize;
697
698 if( mpWindow )
699 mpWindow->EnterWait();
700
701 if( !::avmedia::MediaWindow::isMediaURL( aURL, "", true, &aPrefSize ) )
702 {
703 if( mpWindow )
704 mpWindow->LeaveWait();
705
706 if( !bAPI )
707 ::avmedia::MediaWindow::executeFormatErrorBox(mpWindow->GetFrameWeld());
708 }
709 else
710 {
711 Point aPos;
712 Size aSize;
713 sal_Int8 nAction = DND_ACTION_COPYcss::datatransfer::dnd::DNDConstants::ACTION_COPY;
714
715 if( aPrefSize.Width() && aPrefSize.Height() )
716 {
717 if( mpWindow )
718 aSize = mpWindow->PixelToLogic(aPrefSize, MapMode(MapUnit::Map100thMM));
719 else
720 aSize = Application::GetDefaultDevice()->PixelToLogic(aPrefSize, MapMode(MapUnit::Map100thMM));
721 }
722 else
723 aSize = Size( 5000, 5000 );
724
725 if( mpWindow )
726 {
727 aPos = mpWindow->PixelToLogic( ::tools::Rectangle( aPos, mpWindow->GetOutputSizePixel() ).Center() );
728 aPos.AdjustX( -(aSize.Width() >> 1) );
729 aPos.AdjustY( -(aSize.Height() >> 1) );
730 }
731
732 mpView->InsertMediaURL( aURL, nAction, aPos, aSize, bLink ) ;
733
734 if( mpWindow )
735 mpWindow->LeaveWait();
736 }
737#else
738 (void)rReq;
739#endif
740}
741
742} // end of namespace sd
743
744/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx

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#ifndef INCLUDED_VCL_PTR_HXX
21#define INCLUDED_VCL_PTR_HXX
22
23#include <sal/config.h>
24
25#include <rtl/ref.hxx>
26
27#include <utility>
28#include <type_traits>
29
30#ifdef DBG_UTIL
31#ifndef _WIN32
32#include <vcl/vclmain.hxx>
33#endif
34#endif
35
36class VclReferenceBase;
37
38namespace vcl::detail {
39
40template<typename>
41constexpr bool isIncompleteOrDerivedFromVclReferenceBase(...) { return true; }
42
43template<typename T> constexpr bool isIncompleteOrDerivedFromVclReferenceBase(
44 int (*)[sizeof(T)])
45{ return std::is_base_of<VclReferenceBase, T>::value; }
46
47} // namespace vcl::detail
48
49/**
50 * A thin wrapper around rtl::Reference to implement the acquire and dispose semantics we want for references to vcl::Window subclasses.
51 *
52 * For more details on the design please see vcl/README.lifecycle
53 *
54 * @param reference_type must be a subclass of vcl::Window
55 */
56template <class reference_type>
57class VclPtr
58{
59 static_assert(
60 vcl::detail::isIncompleteOrDerivedFromVclReferenceBase<reference_type>(
61 nullptr),
62 "template argument type must be derived from VclReferenceBase");
63
64 ::rtl::Reference<reference_type> m_rInnerRef;
65
66public:
67 /** Constructor...
68 */
69 VclPtr()
70 : m_rInnerRef()
71 {}
72
73 /** Constructor...
74 */
75 VclPtr (reference_type * pBody)
76 : m_rInnerRef(pBody)
77 {}
78
79 /** Constructor... that doesn't take a ref.
80 */
81 VclPtr (reference_type * pBody, __sal_NoAcquire)
82 : m_rInnerRef(pBody, SAL_NO_ACQUIRE)
83 {}
84
85 /** Up-casting conversion constructor: Copies interface reference.
86
87 Does not work for up-casts to ambiguous bases. For the special case of
88 up-casting to Reference< XInterface >, see the corresponding conversion
89 operator.
90
91 @param rRef another reference
92 */
93 template< class derived_type >
94 VclPtr(
95 const VclPtr< derived_type > & rRef,
96 typename std::enable_if<
97 std::is_base_of<reference_type, derived_type>::value, int>::type
98 = 0 )
99 : m_rInnerRef( static_cast<reference_type*>(rRef) )
100 {
101 }
102
103#if defined(DBG_UTIL) && !defined(_WIN32)
104 virtual ~VclPtr()
105 {
106 assert(m_rInnerRef.get() == nullptr || vclmain::isAlive())(static_cast <bool> (m_rInnerRef.get() == nullptr || vclmain
::isAlive()) ? void (0) : __assert_fail ("m_rInnerRef.get() == nullptr || vclmain::isAlive()"
, "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx"
, 106, __extension__ __PRETTY_FUNCTION__))
;
107 // We can be one of the intermediate counts, but if we are the last
108 // VclPtr keeping this object alive, then something forgot to call dispose().
109 assert((!m_rInnerRef.get() || m_rInnerRef->isDisposed() || m_rInnerRef->getRefCount() > 1)(static_cast <bool> ((!m_rInnerRef.get() || m_rInnerRef
->isDisposed() || m_rInnerRef->getRefCount() > 1) &&
"someone forgot to call dispose()") ? void (0) : __assert_fail
("(!m_rInnerRef.get() || m_rInnerRef->isDisposed() || m_rInnerRef->getRefCount() > 1) && \"someone forgot to call dispose()\""
, "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx"
, 110, __extension__ __PRETTY_FUNCTION__))
110 && "someone forgot to call dispose()")(static_cast <bool> ((!m_rInnerRef.get() || m_rInnerRef
->isDisposed() || m_rInnerRef->getRefCount() > 1) &&
"someone forgot to call dispose()") ? void (0) : __assert_fail
("(!m_rInnerRef.get() || m_rInnerRef->isDisposed() || m_rInnerRef->getRefCount() > 1) && \"someone forgot to call dispose()\""
, "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx"
, 110, __extension__ __PRETTY_FUNCTION__))
;
111 }
112 VclPtr(VclPtr const &) = default;
113 VclPtr(VclPtr &&) = default;
114 VclPtr & operator =(VclPtr const &) = default;
115 VclPtr & operator =(VclPtr &&) = default;
116#endif
117
118 /**
119 * A construction helper for VclPtr. Since VclPtr types are created
120 * with a reference-count of one - to help fit into the existing
121 * code-flow; this helps us to construct them easily.
122 *
123 * For more details on the design please see vcl/README.lifecycle
124 *
125 * @tparam reference_type must be a subclass of vcl::Window
126 */
127 template<typename... Arg> [[nodiscard]] static VclPtr< reference_type > Create(Arg &&... arg)
128 {
129 return VclPtr< reference_type >( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE );
130 }
131
132 /** Probably most common used: handle->someBodyOp().
133 */
134 reference_type * operator->() const
135 {
136 return m_rInnerRef.get();
20
Calling 'Reference::get'
137 }
138
139 /** Get the body. Can be used instead of operator->().
140 I.e. handle->someBodyOp() and handle.get()->someBodyOp()
141 are the same.
142 */
143 reference_type * get() const
144 {
145 return m_rInnerRef.get();
146 }
147
148 void set(reference_type *pBody)
149 {
150 m_rInnerRef.set(pBody);
151 }
152
153 void reset(reference_type *pBody)
154 {
155 m_rInnerRef.set(pBody);
156 }
157
158 /** Up-casting copy assignment operator.
159
160 Does not work for up-casts to ambiguous bases.
161
162 @param rRef another reference
163 */
164 template<typename derived_type>
165 typename std::enable_if<
166 std::is_base_of<reference_type, derived_type>::value,
167 VclPtr &>::type
168 operator =(VclPtr<derived_type> const & rRef)
169 {
170 m_rInnerRef.set(rRef.get());
171 return *this;
172 }
173
174 VclPtr & operator =(reference_type * pBody)
175 {
176 m_rInnerRef.set(pBody);
177 return *this;
178 }
179
180 operator reference_type * () const
181 {
182 return m_rInnerRef.get();
183 }
184
185 explicit operator bool () const
186 {
187 return m_rInnerRef.get() != nullptr;
188 }
189
190 void clear()
191 {
192 m_rInnerRef.clear();
193 }
194
195 void reset()
196 {
197 m_rInnerRef.clear();
198 }
199
200 void disposeAndClear()
201 {
202 // hold it alive for the lifetime of this method
203 ::rtl::Reference<reference_type> aTmp(m_rInnerRef);
204 m_rInnerRef.clear(); // we should use some 'swap' method ideally ;-)
205 if (aTmp.get()) {
206 aTmp->disposeOnce();
207 }
208 }
209
210 /** Needed to place VclPtr's into STL collection.
211 */
212 bool operator< (const VclPtr<reference_type> & handle) const
213 {
214 return (m_rInnerRef < handle.m_rInnerRef);
215 }
216}; // class VclPtr
217
218template<typename T1, typename T2>
219inline bool operator ==(VclPtr<T1> const & p1, VclPtr<T2> const & p2) {
220 return p1.get() == p2.get();
221}
222
223template<typename T> inline bool operator ==(VclPtr<T> const & p1, T const * p2)
224{
225 return p1.get() == p2;
226}
227
228template<typename T> inline bool operator ==(VclPtr<T> const & p1, T * p2) {
229 return p1.get() == p2;
230}
231
232template<typename T> inline bool operator ==(T const * p1, VclPtr<T> const & p2)
233{
234 return p1 == p2.get();
235}
236
237template<typename T> inline bool operator ==(T * p1, VclPtr<T> const & p2) {
238 return p1 == p2.get();
239}
240
241template<typename T1, typename T2>
242inline bool operator !=(VclPtr<T1> const & p1, VclPtr<T2> const & p2) {
243 return !(p1 == p2);
244}
245
246template<typename T> inline bool operator !=(VclPtr<T> const & p1, T const * p2)
247{
248 return !(p1 == p2);
249}
250
251template<typename T> inline bool operator !=(VclPtr<T> const & p1, T * p2) {
252 return !(p1 == p2);
253}
254
255template<typename T> inline bool operator !=(T const * p1, VclPtr<T> const & p2)
256{
257 return !(p1 == p2);
258}
259
260template<typename T> inline bool operator !=(T * p1, VclPtr<T> const & p2) {
261 return !(p1 == p2);
262}
263
264/**
265 * A construction helper for a temporary VclPtr. Since VclPtr types
266 * are created with a reference-count of one - to help fit into
267 * the existing code-flow; this helps us to construct them easily.
268 * see also VclPtr::Create and ScopedVclPtr
269 *
270 * For more details on the design please see vcl/README.lifecycle
271 *
272 * @param reference_type must be a subclass of vcl::Window
273 */
274template <class reference_type>
275class SAL_WARN_UNUSED__attribute__((warn_unused)) VclPtrInstance final : public VclPtr<reference_type>
276{
277public:
278 template<typename... Arg> VclPtrInstance(Arg &&... arg)
279 : VclPtr<reference_type>( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE )
280 {
281 }
282
283 /**
284 * Override and disallow this, to prevent people accidentally calling it and actually
285 * getting VclPtr::Create and getting a naked VclPtr<> instance
286 */
287 template<typename... Arg> static VclPtrInstance< reference_type > Create(Arg &&... ) = delete;
288};
289
290template <class reference_type>
291class ScopedVclPtr : public VclPtr<reference_type>
292{
293public:
294 /** Constructor...
295 */
296 ScopedVclPtr()
297 : VclPtr<reference_type>()
298 {}
299
300 /** Constructor
301 */
302 ScopedVclPtr (reference_type * pBody)
303 : VclPtr<reference_type>(pBody)
304 {}
305
306 /** Copy constructor...
307 */
308 ScopedVclPtr (const VclPtr<reference_type> & handle)
309 : VclPtr<reference_type>(handle)
2
Calling implicit copy constructor for 'VclPtr<SfxAbstractPasteDialog>'
3
Calling copy constructor for 'Reference<SfxAbstractPasteDialog>'
6
Returning from copy constructor for 'Reference<SfxAbstractPasteDialog>'
7
Returning from copy constructor for 'VclPtr<SfxAbstractPasteDialog>'
310 {}
311
312 /**
313 Assignment that releases the last reference.
314 */
315 void disposeAndReset(reference_type *pBody)
316 {
317 if (pBody != this->get()) {
318 VclPtr<reference_type>::disposeAndClear();
319 VclPtr<reference_type>::set(pBody);
320 }
321 }
322
323 /**
324 Assignment that releases the last reference.
325 */
326 ScopedVclPtr<reference_type>& operator = (reference_type * pBody)
327 {
328 disposeAndReset(pBody);
329 return *this;
330 }
331
332 /** Up-casting conversion constructor: Copies interface reference.
333
334 Does not work for up-casts to ambiguous bases. For the special case of
335 up-casting to Reference< XInterface >, see the corresponding conversion
336 operator.
337
338 @param rRef another reference
339 */
340 template< class derived_type >
341 ScopedVclPtr(
342 const VclPtr< derived_type > & rRef,
343 typename std::enable_if<
344 std::is_base_of<reference_type, derived_type>::value, int>::type
345 = 0 )
346 : VclPtr<reference_type>( rRef )
347 {
348 }
349
350 /** Up-casting assignment operator.
351
352 Does not work for up-casts to ambiguous bases.
353
354 @param rRef another VclPtr
355 */
356 template<typename derived_type>
357 typename std::enable_if<
358 std::is_base_of<reference_type, derived_type>::value,
359 ScopedVclPtr &>::type
360 operator =(VclPtr<derived_type> const & rRef)
361 {
362 disposeAndReset(rRef.get());
363 return *this;
364 }
365
366 /**
367 * Override and disallow this, to prevent people accidentally calling it and actually
368 * getting VclPtr::Create and getting a naked VclPtr<> instance
369 */
370 template<typename... Arg> static ScopedVclPtr< reference_type > Create(Arg &&... ) = delete;
371
372 ~ScopedVclPtr()
373 {
374 VclPtr<reference_type>::disposeAndClear();
375 assert(VclPtr<reference_type>::get() == nullptr)(static_cast <bool> (VclPtr<reference_type>::get(
) == nullptr) ? void (0) : __assert_fail ("VclPtr<reference_type>::get() == nullptr"
, "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx"
, 375, __extension__ __PRETTY_FUNCTION__))
; // make sure there are no lingering references
376 }
377
378private:
379 // Most likely we don't want this default copy-constructor.
380 ScopedVclPtr (const ScopedVclPtr<reference_type> &) = delete;
381 // And certainly we don't want a default assignment operator.
382 ScopedVclPtr<reference_type>& operator = (const ScopedVclPtr<reference_type> &) = delete;
383 // And disallow reset as that doesn't call disposeAndClear on the original reference
384 void reset() = delete;
385 void reset(reference_type *pBody) = delete;
386
387protected:
388 ScopedVclPtr (reference_type * pBody, __sal_NoAcquire)
389 : VclPtr<reference_type>(pBody, SAL_NO_ACQUIRE)
390 {}
391};
392
393/**
394 * A construction helper for ScopedVclPtr. Since VclPtr types are created
395 * with a reference-count of one - to help fit into the existing
396 * code-flow; this helps us to construct them easily.
397 *
398 * For more details on the design please see vcl/README.lifecycle
399 *
400 * @param reference_type must be a subclass of vcl::Window
401 */
402#if defined _MSC_VER
403#pragma warning(push)
404#pragma warning(disable: 4521) // " multiple copy constructors specified"
405#endif
406template <class reference_type>
407class SAL_WARN_UNUSED__attribute__((warn_unused)) ScopedVclPtrInstance final : public ScopedVclPtr<reference_type>
408{
409public:
410 template<typename... Arg> ScopedVclPtrInstance(Arg &&... arg)
411 : ScopedVclPtr<reference_type>( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE )
412 {
413 }
414
415 /**
416 * Override and disallow this, to prevent people accidentally calling it and actually
417 * getting VclPtr::Create and getting a naked VclPtr<> instance
418 */
419 template<typename... Arg> static ScopedVclPtrInstance< reference_type > Create(Arg &&...) = delete;
420
421private:
422 // Prevent the above perfect forwarding ctor from hijacking (accidental)
423 // attempts at ScopedVclPtrInstance copy construction (where the hijacking
424 // would typically lead to somewhat obscure error messages); both non-const
425 // and const variants are needed here, as the ScopedVclPtr base class has a
426 // const--variant copy ctor, so the implicitly declared copy ctor for
427 // ScopedVclPtrInstance would also be the const variant, so non-const copy
428 // construction attempts would be hijacked by the perfect forwarding ctor;
429 // but if we only declared a non-const variant here, the const variant would
430 // no longer be implicitly declared (as there would already be an explicitly
431 // declared copy ctor), so const copy construction attempts would then be
432 // hijacked by the perfect forwarding ctor:
433 ScopedVclPtrInstance(ScopedVclPtrInstance &) = delete;
434 ScopedVclPtrInstance(ScopedVclPtrInstance const &) = delete;
435};
436#if defined _MSC_VER
437#pragma warning(pop)
438#endif
439
440#endif // INCLUDED_VCL_PTR_HXX
441
442/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

/home/maarten/src/libreoffice/core/include/rtl/ref.hxx

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#ifndef INCLUDED_RTL_REF_HXX
21#define INCLUDED_RTL_REF_HXX
22
23#include "sal/config.h"
24
25#include <cassert>
26#include <cstddef>
27#include <functional>
28#ifdef LIBO_INTERNAL_ONLY1
29#include <type_traits>
30#endif
31
32#include "sal/types.h"
33
34namespace rtl
35{
36
37/** Template reference class for reference type.
38*/
39template <class reference_type>
40class Reference
41{
42 /** The <b>reference_type</b> body pointer.
43 */
44 reference_type * m_pBody;
45
46
47public:
48 /** Constructor...
49 */
50 Reference()
51 : m_pBody (NULL__null)
52 {}
53
54
55 /** Constructor...
56 */
57 Reference (reference_type * pBody, __sal_NoAcquire)
58 : m_pBody (pBody)
59 {
60 }
61
62 /** Constructor...
63 */
64 Reference (reference_type * pBody)
65 : m_pBody (pBody)
66 {
67 if (m_pBody)
68 m_pBody->acquire();
69 }
70
71 /** Copy constructor...
72 */
73 Reference (const Reference<reference_type> & handle)
74 : m_pBody (handle.m_pBody)
75 {
76 if (m_pBody)
4
Assuming field 'm_pBody' is non-null
5
Taking true branch
77 m_pBody->acquire();
78 }
79
80#ifdef LIBO_INTERNAL_ONLY1
81 /** Move constructor...
82 */
83 Reference (Reference<reference_type> && handle) noexcept
84 : m_pBody (handle.m_pBody)
85 {
86 handle.m_pBody = nullptr;
87 }
88#endif
89
90#if defined LIBO_INTERNAL_ONLY1
91 /** Up-casting conversion constructor: Copies interface reference.
92
93 Does not work for up-casts to ambiguous bases.
94
95 @param rRef another reference
96 */
97 template< class derived_type >
98 inline Reference(
99 const Reference< derived_type > & rRef,
100 std::enable_if_t<std::is_base_of_v<reference_type, derived_type>, int> = 0 )
101 : m_pBody (rRef.get())
102 {
103 if (m_pBody)
104 m_pBody->acquire();
105 }
106#endif
107
108 /** Destructor...
109 */
110 ~Reference() COVERITY_NOEXCEPT_FALSE
111 {
112 if (m_pBody
10.1
Field 'm_pBody' is non-null
10.1
Field 'm_pBody' is non-null
10.1
Field 'm_pBody' is non-null
10.1
Field 'm_pBody' is non-null
)
11
Taking true branch
113 m_pBody->release();
12
Calling 'VclReferenceBase::release'
16
Returning; memory was released
114 }
115
116 /** Set...
117 Similar to assignment.
118 */
119 Reference<reference_type> &
120 SAL_CALL set (reference_type * pBody)
121 {
122 if (pBody)
123 pBody->acquire();
124 reference_type * const pOld = m_pBody;
125 m_pBody = pBody;
126 if (pOld)
127 pOld->release();
128 return *this;
129 }
130
131 /** Assignment.
132 Unbinds this instance from its body (if bound) and
133 bind it to the body represented by the handle.
134 */
135 Reference<reference_type> &
136 SAL_CALL operator= (const Reference<reference_type> & handle)
137 {
138 return set( handle.m_pBody );
139 }
140
141#ifdef LIBO_INTERNAL_ONLY1
142 /** Assignment.
143 * Unbinds this instance from its body (if bound),
144 * bind it to the body represented by the handle, and
145 * set the body represented by the handle to nullptr.
146 */
147 Reference<reference_type> &
148 operator= (Reference<reference_type> && handle)
149 {
150 // self-movement guts ourself
151 if (m_pBody)
152 m_pBody->release();
153 m_pBody = handle.m_pBody;
154 handle.m_pBody = nullptr;
155 return *this;
156 }
157#endif
158
159 /** Assignment...
160 */
161 Reference<reference_type> &
162 SAL_CALL operator= (reference_type * pBody)
163 {
164 return set( pBody );
165 }
166
167 /** Unbind the body from this handle.
168 Note that for a handle representing a large body,
169 "handle.clear().set(new body());" _might_
170 perform a little bit better than "handle.set(new body());",
171 since in the second case two large objects exist in memory
172 (the old body and the new body).
173 */
174 Reference<reference_type> & SAL_CALL clear()
175 {
176 if (m_pBody)
177 {
178 reference_type * const pOld = m_pBody;
179 m_pBody = NULL__null;
180 pOld->release();
181 }
182 return *this;
183 }
184
185
186 /** Get the body. Can be used instead of operator->().
187 I.e. handle->someBodyOp() and handle.get()->someBodyOp()
188 are the same.
189 */
190 reference_type * SAL_CALL get() const
191 {
192 return m_pBody;
21
Use of memory after it is freed
193 }
194
195
196 /** Probably most common used: handle->someBodyOp().
197 */
198 reference_type * SAL_CALL operator->() const
199 {
200 assert(m_pBody != NULL)(static_cast <bool> (m_pBody != __null) ? void (0) : __assert_fail
("m_pBody != NULL", "/home/maarten/src/libreoffice/core/include/rtl/ref.hxx"
, 200, __extension__ __PRETTY_FUNCTION__))
;
201 return m_pBody;
202 }
203
204
205 /** Allows (*handle).someBodyOp().
206 */
207 reference_type & SAL_CALL operator*() const
208 {
209 assert(m_pBody != NULL)(static_cast <bool> (m_pBody != __null) ? void (0) : __assert_fail
("m_pBody != NULL", "/home/maarten/src/libreoffice/core/include/rtl/ref.hxx"
, 209, __extension__ __PRETTY_FUNCTION__))
;
210 return *m_pBody;
211 }
212
213
214 /** Returns True if the handle does point to a valid body.
215 */
216 bool SAL_CALL is() const
217 {
218 return (m_pBody != NULL__null);
219 }
220
221#if defined LIBO_INTERNAL_ONLY1
222 /** Returns True if the handle does point to a valid body.
223 */
224 explicit operator bool() const
225 {
226 return is();
227 }
228#endif
229
230 /** Returns True if this points to pBody.
231 */
232 bool SAL_CALL operator== (const reference_type * pBody) const
233 {
234 return (m_pBody == pBody);
235 }
236
237
238 /** Returns True if handle points to the same body.
239 */
240 bool
241 SAL_CALL operator== (const Reference<reference_type> & handle) const
242 {
243 return (m_pBody == handle.m_pBody);
244 }
245
246
247 /** Needed to place References into STL collection.
248 */
249 bool
250 SAL_CALL operator!= (const Reference<reference_type> & handle) const
251 {
252 return (m_pBody != handle.m_pBody);
253 }
254
255
256 /** Needed to place References into STL collection.
257 */
258 bool
259 SAL_CALL operator< (const Reference<reference_type> & handle) const
260 {
261 return (m_pBody < handle.m_pBody);
262 }
263
264
265 /** Needed to place References into STL collection.
266 */
267 bool
268 SAL_CALL operator> (const Reference<reference_type> & handle) const
269 {
270 return (m_pBody > handle.m_pBody);
271 }
272};
273
274} // namespace rtl
275
276#if defined LIBO_INTERNAL_ONLY1
277namespace std
278{
279
280/// @cond INTERNAL
281/**
282 Make rtl::Reference hashable by default for use in STL containers.
283
284 @since LibreOffice 6.3
285*/
286template<typename T>
287struct hash<::rtl::Reference<T>>
288{
289 std::size_t operator()(::rtl::Reference<T> const & s) const
290 { return std::size_t(s.get()); }
291};
292/// @endcond
293
294}
295
296#endif
297
298#endif /* ! INCLUDED_RTL_REF_HXX */
299
300/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

/home/maarten/src/libreoffice/core/include/vcl/vclreferencebase.hxx

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#ifndef INCLUDED_VCL_Reference_HXX
20#define INCLUDED_VCL_Reference_HXX
21
22#include <vcl/dllapi.h>
23#include <osl/interlck.h>
24
25class VCL_DLLPUBLIC__attribute__ ((visibility("default"))) VclReferenceBase
26{
27 mutable oslInterlockedCount mnRefCnt;
28
29 template<typename T> friend class VclPtr;
30
31public:
32 void acquire() const
33 {
34 osl_atomic_increment(&mnRefCnt)__sync_add_and_fetch((&mnRefCnt), 1);
35 }
36
37 void release() const
38 {
39 if (osl_atomic_decrement(&mnRefCnt)__sync_sub_and_fetch((&mnRefCnt), 1) == 0)
13
Assuming the condition is true
14
Taking true branch
40 delete this;
15
Memory is released
41 }
42#ifdef DBG_UTIL
43#ifndef _WIN32
44 sal_Int32 getRefCount() const { return mnRefCnt; }
45#endif
46#endif
47
48
49private:
50 VclReferenceBase(const VclReferenceBase&) = delete;
51 VclReferenceBase& operator=(const VclReferenceBase&) = delete;
52
53 bool mbDisposed : 1;
54
55protected:
56 VclReferenceBase();
57protected:
58 virtual ~VclReferenceBase();
59
60protected:
61 virtual void dispose();
62
63public:
64 void disposeOnce();
65 bool isDisposed() const { return mbDisposed; }
66
67};
68#endif