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 sdview2.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/view/sdview2.cxx

/home/maarten/src/libreoffice/core/sd/source/ui/view/sdview2.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 <View.hxx>
21
22#include <vector>
23#include <com/sun/star/embed/XEmbedPersist.hpp>
24#include <com/sun/star/embed/XEmbeddedObject.hpp>
25#include <comphelper/sequenceashashmap.hxx>
26#include <tools/urlobj.hxx>
27#include <svx/svdoole2.hxx>
28#include <svx/svxdlg.hxx>
29#include <sfx2/docfile.hxx>
30#include <svx/svdundo.hxx>
31#include <svx/svdpagv.hxx>
32#include <svl/urlbmk.hxx>
33#include <editeng/outliner.hxx>
34#include <svx/xflclit.hxx>
35#include <sot/formats.hxx>
36#include <editeng/editeng.hxx>
37
38#include <svtools/embedtransfer.hxx>
39#include <tools/debug.hxx>
40
41#include <anminfo.hxx>
42#include <strings.hrc>
43#include <sdxfer.hxx>
44#include <sdresid.hxx>
45#include <sdmod.hxx>
46#include <sdtreelb.hxx>
47#include <DrawViewShell.hxx>
48#include <DrawDocShell.hxx>
49#include <fudraw.hxx>
50#include <drawdoc.hxx>
51#include <Window.hxx>
52#include <sdpage.hxx>
53#include <unoaprms.hxx>
54#include <helpids.h>
55#include <vcl/svapp.hxx>
56
57#include <slideshow.hxx>
58#include <memory>
59
60namespace sd {
61
62using namespace ::com::sun::star;
63
64namespace {
65
66struct SdNavigatorDropEvent : public ExecuteDropEvent
67{
68 VclPtr< ::sd::Window> mpTargetWindow;
69
70 SdNavigatorDropEvent (
71 const ExecuteDropEvent& rEvt,
72 ::sd::Window* pTargetWindow )
73 : ExecuteDropEvent( rEvt ),
74 mpTargetWindow( pTargetWindow )
75 {}
76};
77
78}
79
80css::uno::Reference< css::datatransfer::XTransferable > View::CreateClipboardDataObject()
81{
82 // since SdTransferable::CopyToClipboard is called, this
83 // dynamically created object is destroyed automatically
84 SdTransferable* pTransferable = new SdTransferable( &mrDoc, nullptr, false );
85 css::uno::Reference< css::datatransfer::XTransferable > xRet( pTransferable );
86
87 SD_MOD()( static_cast<SdModule*>(SfxApplication::GetModule(SfxToolsModule
::Draw)) )->pTransferClip = pTransferable;
88
89 mrDoc.CreatingDataObj( pTransferable );
90 pTransferable->SetWorkDocument( static_cast<SdDrawDocument*>(CreateMarkedObjModel().release()) );
91 mrDoc.CreatingDataObj( nullptr );
92
93 // #112978# need to use GetAllMarkedBoundRect instead of GetAllMarkedRect to get
94 // fat lines correctly
95 const ::tools::Rectangle aMarkRect( GetAllMarkedBoundRect() );
96 std::unique_ptr<TransferableObjectDescriptor> pObjDesc(new TransferableObjectDescriptor);
97 SdrOle2Obj* pSdrOleObj = nullptr;
98 SdrPageView* pPgView = GetSdrPageView();
99 SdPage* pOldPage = pPgView ? static_cast<SdPage*>( pPgView->GetPage() ) : nullptr;
100 SdPage* pNewPage = const_cast<SdPage*>(static_cast<const SdPage*>( pTransferable->GetWorkDocument()->GetPage( 0 ) ));
101
102 if( pOldPage )
103 {
104 pNewPage->SetSize( pOldPage->GetSize() );
105 pNewPage->SetLayoutName( pOldPage->GetLayoutName() );
106 }
107
108 if( GetMarkedObjectCount() == 1 )
109 {
110 SdrObject* pObj = GetMarkedObjectByIndex(0);
111
112 if( dynamic_cast< const SdrOle2Obj *>( pObj ) && static_cast<SdrOle2Obj*>(pObj)->GetObjRef().is() )
113 {
114 // If object has no persistence it must be copied as part of the document
115 try
116 {
117 uno::Reference< embed::XEmbedPersist > xPersObj( static_cast<SdrOle2Obj*>(pObj)->GetObjRef(), uno::UNO_QUERY );
118 if ( xPersObj.is() && xPersObj->hasEntry() )
119 pSdrOleObj = static_cast<SdrOle2Obj*>(pObj);
120 }
121 catch( uno::Exception& )
122 {}
123 }
124 }
125
126 if( pSdrOleObj )
127 SvEmbedTransferHelper::FillTransferableObjectDescriptor( *pObjDesc, pSdrOleObj->GetObjRef(), pSdrOleObj->GetGraphic(), pSdrOleObj->GetAspect() );
128 else
129 pTransferable->GetWorkDocument()->GetDocSh()->FillTransferableObjectDescriptor( *pObjDesc );
130
131 if( mpDocSh )
132 pObjDesc->maDisplayName = mpDocSh->GetMedium()->GetURLObject().GetURLNoPass();
133
134 pObjDesc->maSize = aMarkRect.GetSize();
135
136 pTransferable->SetStartPos( aMarkRect.TopLeft() );
137 pTransferable->SetObjectDescriptor( std::move(pObjDesc) );
138 pTransferable->CopyToClipboard( mpViewSh->GetActiveWindow() );
139
140 return xRet;
141}
142
143css::uno::Reference< css::datatransfer::XTransferable > View::CreateDragDataObject( View* pWorkView, vcl::Window& rWindow, const Point& rDragPos )
144{
145 SdTransferable* pTransferable = new SdTransferable( &mrDoc, pWorkView, false );
146 css::uno::Reference< css::datatransfer::XTransferable > xRet( pTransferable );
147
148 SD_MOD()( static_cast<SdModule*>(SfxApplication::GetModule(SfxToolsModule
::Draw)) )->pTransferDrag = pTransferable;
149
150 std::unique_ptr<TransferableObjectDescriptor> pObjDesc(new TransferableObjectDescriptor);
151 OUString aDisplayName;
152 SdrOle2Obj* pSdrOleObj = nullptr;
153
154 if( GetMarkedObjectCount() == 1 )
155 {
156 SdrObject* pObj = GetMarkedObjectByIndex( 0 );
157
158 if( dynamic_cast< const SdrOle2Obj *>( pObj ) && static_cast<SdrOle2Obj*>(pObj)->GetObjRef().is() )
159 {
160 // If object has no persistence it must be copied as part of the document
161 try
162 {
163 uno::Reference< embed::XEmbedPersist > xPersObj( static_cast<SdrOle2Obj*>(pObj)->GetObjRef(), uno::UNO_QUERY );
164 if ( xPersObj.is() && xPersObj->hasEntry() )
165 pSdrOleObj = static_cast<SdrOle2Obj*>(pObj);
166 }
167 catch( uno::Exception& )
168 {}
169 }
170 }
171
172 if( mpDocSh )
173 aDisplayName = mpDocSh->GetMedium()->GetURLObject().GetURLNoPass();
174
175 if( pSdrOleObj )
176 SvEmbedTransferHelper::FillTransferableObjectDescriptor( *pObjDesc, pSdrOleObj->GetObjRef(), pSdrOleObj->GetGraphic(), pSdrOleObj->GetAspect() );
177 else if (mpDocSh)
178 mpDocSh->FillTransferableObjectDescriptor( *pObjDesc );
179
180 pObjDesc->maSize = GetAllMarkedRect().GetSize();
181 pObjDesc->maDragStartPos = rDragPos;
182 pObjDesc->maDisplayName = aDisplayName;
183
184 pTransferable->SetStartPos( rDragPos );
185 pTransferable->SetObjectDescriptor( std::move(pObjDesc) );
186 pTransferable->StartDrag( &rWindow, DND_ACTION_COPYMOVEcss::datatransfer::dnd::DNDConstants::ACTION_COPY_OR_MOVE | DND_ACTION_LINKcss::datatransfer::dnd::DNDConstants::ACTION_LINK );
187
188 return xRet;
189}
190
191css::uno::Reference< css::datatransfer::XTransferable > View::CreateSelectionDataObject( View* pWorkView, vcl::Window& rWindow )
192{
193 SdTransferable* pTransferable = new SdTransferable( &mrDoc, pWorkView, true );
194 css::uno::Reference< css::datatransfer::XTransferable > xRet( pTransferable );
195 std::unique_ptr<TransferableObjectDescriptor> pObjDesc(new TransferableObjectDescriptor);
196 const ::tools::Rectangle aMarkRect( GetAllMarkedRect() );
197
198 SD_MOD()( static_cast<SdModule*>(SfxApplication::GetModule(SfxToolsModule
::Draw)) )->pTransferSelection = pTransferable;
199
200 if( mpDocSh )
201 {
202 mpDocSh->FillTransferableObjectDescriptor( *pObjDesc );
203 pObjDesc->maDisplayName = mpDocSh->GetMedium()->GetURLObject().GetURLNoPass();
204 }
205
206 pObjDesc->maSize = aMarkRect.GetSize();
207
208 pTransferable->SetStartPos( aMarkRect.TopLeft() );
209 pTransferable->SetObjectDescriptor( std::move(pObjDesc) );
210 pTransferable->CopyToSelection( &rWindow );
211
212 return xRet;
213}
214
215void View::UpdateSelectionClipboard( bool bForceDeselect )
216{
217 if( mpViewSh && mpViewSh->GetActiveWindow() )
218 {
219 if( !bForceDeselect && GetMarkedObjectList().GetMarkCount() )
220 CreateSelectionDataObject( this, *mpViewSh->GetActiveWindow() );
221 else if( SD_MOD()( static_cast<SdModule*>(SfxApplication::GetModule(SfxToolsModule
::Draw)) )->pTransferSelection && ( SD_MOD()( static_cast<SdModule*>(SfxApplication::GetModule(SfxToolsModule
::Draw)) )->pTransferSelection->GetView() == this ) )
222 {
223 TransferableHelper::ClearSelection( mpViewSh->GetActiveWindow() );
224 SD_MOD()( static_cast<SdModule*>(SfxApplication::GetModule(SfxToolsModule
::Draw)) )->pTransferSelection = nullptr;
225 }
226 }
227}
228
229void View::DoCut()
230{
231 const OutlinerView* pOLV = GetTextEditOutlinerView();
232
233 if( pOLV )
234 const_cast<OutlinerView*>(pOLV)->Cut();
235 else if( AreObjectsMarked() )
236 {
237 OUString aStr(SdResId(STR_UNDO_CUTreinterpret_cast<char const *>("STR_UNDO_CUT" "\004" u8"Cut"
)));
238
239 DoCopy();
240 BegUndo(aStr + " " + GetDescriptionOfMarkedObjects());
241 DeleteMarked();
242 EndUndo();
243 }
244}
245
246void View::DoCopy()
247{
248 const OutlinerView* pOLV = GetTextEditOutlinerView();
249
250 if( pOLV )
251 const_cast<OutlinerView*>(pOLV)->Copy();
252 else if( AreObjectsMarked() )
253 {
254 BrkAction();
255 CreateClipboardDataObject();
256 }
257}
258
259void View::DoPaste (::sd::Window* pWindow)
260{
261 TransferableDataHelper aDataHelper( TransferableDataHelper::CreateFromSystemClipboard( mpViewSh->GetActiveWindow() ) );
262 if( !aDataHelper.GetTransferable().is() )
263 return; // empty clipboard?
264
265 const OutlinerView* pOLV = GetTextEditOutlinerView();
266
267 if( pOLV && EditEngine::HasValidData( aDataHelper.GetTransferable() ) )
268 {
269 const_cast< OutlinerView* >(pOLV)->PasteSpecial();
270
271 SdrObject* pObj = GetTextEditObject();
272 SdPage* pPage = static_cast<SdPage*>( pObj ? pObj->getSdrPageFromSdrObject() : nullptr );
273 ::Outliner* pOutliner = pOLV->GetOutliner();
274
275 if( pOutliner)
276 {
277 if( pObj && pPage && pPage->GetPresObjKind(pObj) == PresObjKind::Title )
278 {
279 // remove all hard linebreaks from the title
280 if (pOutliner->GetParagraphCount() > 1)
281 {
282 bool bOldUpdateMode = pOutliner->GetUpdateMode();
283
284 pOutliner->SetUpdateMode( false );
285
286 const EditEngine& rEdit = pOutliner->GetEditEngine();
287 const sal_Int32 nParaCount = rEdit.GetParagraphCount();
288
289 for( sal_Int32 nPara = nParaCount - 2; nPara >= 0; nPara-- )
290 {
291 const sal_Int32 nParaLen = rEdit.GetTextLen( nPara );
292 pOutliner->QuickDelete( ESelection( nPara, nParaLen, nPara+1, 0 ) );
293 pOutliner->QuickInsertLineBreak( ESelection( nPara, nParaLen, nPara, nParaLen ) );
294 }
295
296 DBG_ASSERT( rEdit.GetParagraphCount() <= 1, "Titleobject contains hard line breaks" )do { if (true && (!(rEdit.GetParagraphCount() <= 1
))) { sal_detail_logFormat((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.tools"
), ("/home/maarten/src/libreoffice/core/sd/source/ui/view/sdview2.cxx"
":" "296" ": "), "%s", "Titleobject contains hard line breaks"
); } } while (false);
297 pOutliner->SetUpdateMode(bOldUpdateMode);
298 }
299 }
300
301 if( !mrDoc.IsChanged() )
302 {
303 if (pOutliner->IsModified())
304 mrDoc.SetChanged();
305 }
306 }
307 }
308 else
309 {
310 Point aPos = pWindow->GetVisibleCenter();
311 DrawViewShell* pDrViewSh = static_cast<DrawViewShell*>( mpDocSh->GetViewShell() );
312
313 if (pDrViewSh != nullptr)
314 {
315 sal_Int8 nDnDAction = DND_ACTION_COPYcss::datatransfer::dnd::DNDConstants::ACTION_COPY;
316 if( !InsertData( aDataHelper, aPos, nDnDAction, false ) )
317 {
318 INetBookmark aINetBookmark( "", "" );
319
320 if( ( aDataHelper.HasFormat( SotClipboardFormatId::NETSCAPE_BOOKMARK ) &&
321 aDataHelper.GetINetBookmark( SotClipboardFormatId::NETSCAPE_BOOKMARK, aINetBookmark ) ) ||
322 ( aDataHelper.HasFormat( SotClipboardFormatId::FILEGRPDESCRIPTOR ) &&
323 aDataHelper.GetINetBookmark( SotClipboardFormatId::FILEGRPDESCRIPTOR, aINetBookmark ) ) ||
324 ( aDataHelper.HasFormat( SotClipboardFormatId::UNIFORMRESOURCELOCATOR ) &&
325 aDataHelper.GetINetBookmark( SotClipboardFormatId::UNIFORMRESOURCELOCATOR, aINetBookmark ) ) )
326 {
327 pDrViewSh->InsertURLField( aINetBookmark.GetURL(), aINetBookmark.GetDescription(), "" );
328 }
329 }
330 }
331 }
332}
333
334void View::StartDrag( const Point& rStartPos, vcl::Window* pWindow )
335{
336 if( !AreObjectsMarked() || !IsAction() || !mpViewSh || !pWindow || mpDragSrcMarkList )
337 return;
338
339 BrkAction();
340
341 if( IsTextEdit() )
342 SdrEndTextEdit();
343
344 DrawViewShell* pDrawViewShell = dynamic_cast< DrawViewShell* >( mpDocSh ? mpDocSh->GetViewShell() : nullptr );
345
346 if( pDrawViewShell )
347 {
348 const rtl::Reference<FuPoor>& xFunction( pDrawViewShell->GetCurrentFunction() );
349
350 if( xFunction.is() && nullptr != dynamic_cast< const FuDraw *>( xFunction.get() ) )
351 static_cast<FuDraw*>(xFunction.get())->ForcePointer();
352 }
353
354 mpDragSrcMarkList.reset( new SdrMarkList(GetMarkedObjectList()) );
355 mnDragSrcPgNum = GetSdrPageView()->GetPage()->GetPageNum();
356
357 if( IsUndoEnabled() )
358 {
359 OUString aStr(SdResId(STR_UNDO_DRAGDROPreinterpret_cast<char const *>("STR_UNDO_DRAGDROP" "\004"
u8"Drag and Drop")));
360 BegUndo(aStr + " " + mpDragSrcMarkList->GetMarkDescription());
361 }
362 CreateDragDataObject( this, *pWindow, rStartPos );
363}
364
365void View::DragFinished( sal_Int8 nDropAction )
366{
367 const bool bUndo = IsUndoEnabled();
368
369 SdTransferable* pDragTransferable = SD_MOD()( static_cast<SdModule*>(SfxApplication::GetModule(SfxToolsModule
::Draw)) )->pTransferDrag;
370
371 if( pDragTransferable )
372 pDragTransferable->SetView( nullptr );
373
374 if( ( nDropAction & DND_ACTION_MOVEcss::datatransfer::dnd::DNDConstants::ACTION_MOVE ) &&
375 pDragTransferable && !pDragTransferable->IsInternalMove() &&
376 mpDragSrcMarkList && mpDragSrcMarkList->GetMarkCount() &&
377 !IsPresObjSelected() )
378 {
379 mpDragSrcMarkList->ForceSort();
380
381 if( bUndo )
382 BegUndo();
383
384 const size_t nCnt = mpDragSrcMarkList->GetMarkCount();
385
386 for( size_t nm = nCnt; nm>0; )
387 {
388 --nm;
389 SdrMark* pM=mpDragSrcMarkList->GetMark(nm);
390 if( bUndo )
391 AddUndo(mrDoc.GetSdrUndoFactory().CreateUndoDeleteObject(*pM->GetMarkedSdrObj()));
392 }
393
394 mpDragSrcMarkList->GetMark(0)->GetMarkedSdrObj()->GetOrdNum();
395
396 for (size_t nm = nCnt; nm>0;)
397 {
398 --nm;
399 SdrMark* pM=mpDragSrcMarkList->GetMark(nm);
400 SdrObject* pObj=pM->GetMarkedSdrObj();
401
402 if( pObj && pObj->getSdrPageFromSdrObject() )
403 {
404 const size_t nOrdNum = pObj->GetOrdNumDirect();
405 SdrObject* pChkObj = pObj->getSdrPageFromSdrObject()->RemoveObject(nOrdNum);
406 DBG_ASSERT(pChkObj==pObj,"pChkObj!=pObj in RemoveObject()")do { if (true && (!(pChkObj==pObj))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.tools"), ("/home/maarten/src/libreoffice/core/sd/source/ui/view/sdview2.cxx"
":" "406" ": "), "%s", "pChkObj!=pObj in RemoveObject()"); }
} while (false);
407 }
408 }
409
410 if( bUndo )
411 EndUndo();
412 }
413
414 if( pDragTransferable )
415 pDragTransferable->SetInternalMove( false );
416
417 //This Undo appears to matches with the STR_UNDO_DRAGDROP Undo Start of
418 //View::StartDrag But this DragFinished can be called without a matching
419 //StartDrag. So use the existence of mpDragSrcMarkList as a flag that
420 //this EndUndo has a matching BegUndo
421 if (bUndo && mpDragSrcMarkList)
422 EndUndo();
423 mnDragSrcPgNum = SDRPAGE_NOTFOUND0xFFFF;
424 mpDragSrcMarkList.reset();
425}
426
427sal_Int8 View::AcceptDrop( const AcceptDropEvent& rEvt, DropTargetHelper& rTargetHelper,
428 SdrLayerID nLayer )
429{
430 OUString aLayerName = GetActiveLayer();
431 SdrPageView* pPV = GetSdrPageView();
432 sal_Int8 nDropAction = rEvt.mnAction;
433 sal_Int8 nRet = DND_ACTION_NONEcss::datatransfer::dnd::DNDConstants::ACTION_NONE;
434
435 if( nLayer != SDRLAYER_NOTFOUND )
436 {
437 SdrLayerAdmin& rLayerAdmin = mrDoc.GetLayerAdmin();
438 aLayerName = rLayerAdmin.GetLayerPerID(nLayer)->GetName();
439 }
440
441 if( mbIsDropAllowed && !pPV->IsLayerLocked( aLayerName ) && pPV->IsLayerVisible( aLayerName ) )
442 {
443 const OutlinerView* pOLV = GetTextEditOutlinerView();
444 bool bIsInsideOutlinerView = false;
445
446 if( pOLV )
447 {
448 ::tools::Rectangle aRect( pOLV->GetOutputArea() );
449
450 if (GetMarkedObjectCount() == 1)
451 {
452 SdrMark* pMark = GetSdrMarkByIndex(0);
453 SdrObject* pObj = pMark->GetMarkedSdrObj();
454 aRect.Union( pObj->GetLogicRect() );
455 }
456
457 if( aRect.IsInside( pOLV->GetWindow()->PixelToLogic( rEvt.maPosPixel ) ) )
458 {
459 bIsInsideOutlinerView = true;
460 }
461 }
462
463 if( !bIsInsideOutlinerView )
464 {
465 SdTransferable* pDragTransferable = SD_MOD()( static_cast<SdModule*>(SfxApplication::GetModule(SfxToolsModule
::Draw)) )->pTransferDrag;
466
467 if(pDragTransferable && (nDropAction & DND_ACTION_LINKcss::datatransfer::dnd::DNDConstants::ACTION_LINK))
468 {
469 // suppress own data when it's intention is to use it as fill information
470 pDragTransferable = nullptr;
471 }
472
473 if( pDragTransferable )
474 {
475 const View* pSourceView = pDragTransferable->GetView();
476
477 if( pDragTransferable->IsPageTransferable() )
478 {
479 nRet = DND_ACTION_COPYcss::datatransfer::dnd::DNDConstants::ACTION_COPY;
480 }
481 else if( pSourceView )
482 {
483 if( !( nDropAction & DND_ACTION_LINKcss::datatransfer::dnd::DNDConstants::ACTION_LINK ) ||
484 !pSourceView->GetDocSh()->GetMedium()->GetName().isEmpty() )
485 {
486 nRet = nDropAction;
487 }
488 }
489 }
490 else
491 {
492 const bool bDrawing = rTargetHelper.IsDropFormatSupported( SotClipboardFormatId::DRAWING );
493 const bool bGraphic = rTargetHelper.IsDropFormatSupported( SotClipboardFormatId::SVXB );
494 const bool bMtf = rTargetHelper.IsDropFormatSupported( SotClipboardFormatId::GDIMETAFILE );
495 const bool bBitmap = rTargetHelper.IsDropFormatSupported( SotClipboardFormatId::BITMAP );
496 bool bBookmark = rTargetHelper.IsDropFormatSupported( SotClipboardFormatId::NETSCAPE_BOOKMARK );
497 bool bXFillExchange = rTargetHelper.IsDropFormatSupported( SotClipboardFormatId::XFA );
498
499 // check handle insert
500 if ((bXFillExchange && (SdrDragMode::Gradient == GetDragMode()))
501 || (SdrDragMode::Transparence == GetDragMode()))
502 {
503 const SdrHdlList& rHdlList = GetHdlList();
504
505 for( size_t n = 0; n < rHdlList.GetHdlCount(); ++n )
506 {
507 SdrHdl* pIAOHandle = rHdlList.GetHdl( n );
508
509 if( pIAOHandle && ( SdrHdlKind::Color == pIAOHandle->GetKind() ) )
510 {
511 if(pIAOHandle->getOverlayObjectList().isHitPixel(rEvt.maPosPixel))
512 {
513 nRet = nDropAction;
514 static_cast< SdrHdlColor* >( pIAOHandle )->SetSize( SDR_HANDLE_COLOR_SIZE_SELECTEDSize(17, 17) );
515 }
516 else
517 {
518 static_cast< SdrHdlColor* >( pIAOHandle )->SetSize( SDR_HANDLE_COLOR_SIZE_NORMALSize(13, 13) );
519 }
520 }
521 }
522 }
523
524 // check object insert
525 if( !nRet && ( bXFillExchange || ( ( bDrawing || bGraphic || bMtf || bBitmap || bBookmark ) && ( nDropAction & DND_ACTION_LINKcss::datatransfer::dnd::DNDConstants::ACTION_LINK ) ) ) )
526 {
527 SdrPageView* pPageView = nullptr;
528 ::sd::Window* pWindow = mpViewSh->GetActiveWindow();
529 Point aPos( pWindow->PixelToLogic( rEvt.maPosPixel ) );
530 SdrObject* pPickObj = PickObj(aPos, getHitTolLog(), pPageView);
531 bool bIsPresTarget = false;
532
533 if (pPickObj && (pPickObj->IsEmptyPresObj() || pPickObj->GetUserCall()))
534 {
535 SdPage* pPage = static_cast<SdPage*>( pPickObj->getSdrPageFromSdrObject() );
536
537 if( pPage && pPage->IsMasterPage() )
538 bIsPresTarget = pPage->IsPresObj( pPickObj );
539 }
540
541 if (pPickObj && !bIsPresTarget && (bGraphic || bMtf || bBitmap || bXFillExchange))
542 {
543 if( mpDropMarkerObj != pPickObj )
544 {
545 mpDropMarkerObj = pPickObj;
546 ImplClearDrawDropMarker();
547
548 if(mpDropMarkerObj)
549 {
550 mpDropMarker.reset( new SdrDropMarkerOverlay(*this, *mpDropMarkerObj) );
551 }
552 }
553
554 nRet = nDropAction;
555 }
556 else
557 bXFillExchange = false;
558 }
559
560 // check normal insert
561 if( !nRet )
562 {
563 const bool bSBAFormat = rTargetHelper.IsDropFormatSupported( SotClipboardFormatId::SVX_FORMFIELDEXCH );
564 const bool bEditEngineODF = rTargetHelper.IsDropFormatSupported( SotClipboardFormatId::EDITENGINE_ODF_TEXT_FLAT );
565 const bool bString = rTargetHelper.IsDropFormatSupported( SotClipboardFormatId::STRING );
566 const bool bRTF = rTargetHelper.IsDropFormatSupported( SotClipboardFormatId::RTF );
567 const bool bFile = rTargetHelper.IsDropFormatSupported( SotClipboardFormatId::SIMPLE_FILE );
568 const bool bFileList = rTargetHelper.IsDropFormatSupported( SotClipboardFormatId::FILE_LIST );
569
570 if( mpDropMarker )
571 {
572 ImplClearDrawDropMarker();
573 mpDropMarkerObj = nullptr;
574 }
575
576 if( bBookmark && bFile && ( nDropAction & DND_ACTION_MOVEcss::datatransfer::dnd::DNDConstants::ACTION_MOVE ) && mpViewSh && SlideShow::IsRunning(mpViewSh->GetViewShellBase()) )
577 bBookmark = false;
578
579 if( bDrawing || bGraphic || bMtf || bBitmap || bBookmark || bFile || bFileList || bXFillExchange || bSBAFormat || bEditEngineODF || bString || bRTF )
580 nRet = nDropAction;
581
582 // For entries from the navigator, change action copy.
583 if (bBookmark
584 && rTargetHelper.IsDropFormatSupported(
585 SdPageObjsTLV::SdPageObjsTransferable::GetListBoxDropFormatId())
586 && (nDropAction & DND_ACTION_MOVEcss::datatransfer::dnd::DNDConstants::ACTION_MOVE)!=0)
587 {
588 nRet = DND_ACTION_COPYcss::datatransfer::dnd::DNDConstants::ACTION_COPY;
589 }
590 }
591 }
592 }
593 }
594
595 // destroy drop marker if this is a leaving event
596 if( rEvt.mbLeaving && mpDropMarker )
597 {
598 ImplClearDrawDropMarker();
599 mpDropMarkerObj = nullptr;
600 }
601
602 return nRet;
603}
604
605sal_Int8 View::ExecuteDrop( const ExecuteDropEvent& rEvt,
606 ::sd::Window* pTargetWindow, sal_uInt16 nPage, SdrLayerID nLayer )
607{
608 SdrPageView* pPV = GetSdrPageView();
609 OUString aActiveLayer = GetActiveLayer();
610 sal_Int8 nDropAction = rEvt.mnAction;
611 sal_Int8 nRet = DND_ACTION_NONEcss::datatransfer::dnd::DNDConstants::ACTION_NONE;
612
613 // destroy drop marker if it is shown
614 if( mpDropMarker )
615 {
616 ImplClearDrawDropMarker();
617 mpDropMarkerObj = nullptr;
618 }
619
620 if( !pPV->IsLayerLocked( aActiveLayer ) )
621 {
622 const OutlinerView* pOLV = GetTextEditOutlinerView();
623 bool bIsInsideOutlinerView = false;
624
625 if( pOLV )
626 {
627 ::tools::Rectangle aRect( pOLV->GetOutputArea() );
628
629 if( GetMarkedObjectCount() == 1 )
630 {
631 SdrMark* pMark = GetSdrMarkByIndex(0);
632 SdrObject* pObj = pMark->GetMarkedSdrObj();
633 aRect.Union( pObj->GetLogicRect() );
634 }
635
636 Point aPos( pOLV->GetWindow()->PixelToLogic( rEvt.maPosPixel ) );
637
638 if( aRect.IsInside( aPos ) )
639 {
640 bIsInsideOutlinerView = true;
641 }
642 }
643
644 if( !bIsInsideOutlinerView )
645 {
646 Point aPos;
647 TransferableDataHelper aDataHelper( rEvt.maDropEvent.Transferable );
648
649 if( pTargetWindow )
650 aPos = pTargetWindow->PixelToLogic( rEvt.maPosPixel );
651
652 // handle insert?
653 if ((SdrDragMode::Gradient == GetDragMode())
654 || ((SdrDragMode::Transparence == GetDragMode())
655 && aDataHelper.HasFormat(SotClipboardFormatId::XFA)))
656 {
657 const SdrHdlList& rHdlList = GetHdlList();
658
659 for( size_t n = 0; !nRet && n < rHdlList.GetHdlCount(); ++n )
660 {
661 SdrHdl* pIAOHandle = rHdlList.GetHdl( n );
662
663 if( pIAOHandle && ( SdrHdlKind::Color == pIAOHandle->GetKind() ) )
664 {
665 if(pIAOHandle->getOverlayObjectList().isHitPixel(rEvt.maPosPixel))
666 {
667 uno::Any const data(aDataHelper.GetAny(SotClipboardFormatId::XFA, ""));
668 uno::Sequence<beans::NamedValue> props;
669 if (data >>= props)
670 {
671 ::comphelper::SequenceAsHashMap const map(props);
672 Color aColor(COL_BLACK);
673 auto const it = map.find("FillColor");
674 if (it != map.end())
675 {
676 XFillColorItem color;
677 color.PutValue(it->second, 0);
678 aColor = color.GetColorValue();
679 }
680 static_cast< SdrHdlColor* >( pIAOHandle )->SetColor( aColor, true );
681 nRet = nDropAction;
682 }
683 }
684 }
685 }
686 }
687
688 // standard insert?
689 if( !nRet && InsertData( aDataHelper, aPos, nDropAction, true, SotClipboardFormatId::NONE, nPage, nLayer ) )
690 nRet = nDropAction;
691
692 // special insert?
693 if( !nRet && mpViewSh )
694 {
695 INetBookmark aINetBookmark( (OUString()), (OUString()) );
696
697 // insert bookmark
698 if( aDataHelper.HasFormat( SotClipboardFormatId::NETSCAPE_BOOKMARK ) &&
699 aDataHelper.GetINetBookmark( SotClipboardFormatId::NETSCAPE_BOOKMARK, aINetBookmark ) )
700 {
701 SdPageObjsTLV::SdPageObjsTransferable* pPageObjsTransferable = SdPageObjsTLV::SdPageObjsTransferable::getImplementation( aDataHelper.GetXTransferable() );
702
703 if( pPageObjsTransferable &&
704 ( NAVIGATOR_DRAGTYPE_LINK == pPageObjsTransferable->GetDragType() ||
705 NAVIGATOR_DRAGTYPE_EMBEDDED == pPageObjsTransferable->GetDragType() ) )
706 {
707 // insert bookmark from own navigator (handled async. due to possible message box )
708 Application::PostUserEvent( LINK( this, View, ExecuteNavigatorDrop )::tools::detail::makeLink( ::tools::detail::castTo<View *>
(this), &View::LinkStubExecuteNavigatorDrop),
709 new SdNavigatorDropEvent( rEvt, pTargetWindow ) );
710 nRet = nDropAction;
711 }
712 else
713 {
714 SdrPageView* pPageView = nullptr;
715
716 SdrObject* pPickObj = PickObj(aPos, getHitTolLog(), pPageView);
717 if (pPickObj)
718 {
719 // insert as clip action => jump
720 OUString aBookmark( aINetBookmark.GetURL() );
721 SdAnimationInfo* pInfo = SdDrawDocument::GetAnimationInfo( pPickObj );
722
723 if( !aBookmark.isEmpty() )
724 {
725 bool bCreated = false;
726
727 presentation::ClickAction eClickAction = presentation::ClickAction_DOCUMENT;
728
729 sal_Int32 nIndex = aBookmark.indexOf( '#' );
730 if( nIndex != -1 )
731 {
732 const OUString aDocName( aBookmark.copy( 0, nIndex ) );
733
734 if (mpDocSh->GetMedium()->GetName() == aDocName || aDocName == mpDocSh->GetName())
735 {
736 // internal jump, only use the part after and including '#'
737 eClickAction = presentation::ClickAction_BOOKMARK;
738 aBookmark = aBookmark.copy( nIndex+1 );
739 }
740 }
741
742 if( !pInfo )
743 {
744 pInfo = SdDrawDocument::GetShapeUserData( *pPickObj, true );
745 bCreated = true;
746 }
747
748 // create undo action with old and new sizes
749 std::unique_ptr<SdAnimationPrmsUndoAction> pAction(new SdAnimationPrmsUndoAction(&mrDoc, pPickObj, bCreated));
750 pAction->SetActive(pInfo->mbActive, pInfo->mbActive);
751 pAction->SetEffect(pInfo->meEffect, pInfo->meEffect);
752 pAction->SetTextEffect(pInfo->meTextEffect, pInfo->meTextEffect);
753 pAction->SetSpeed(pInfo->meSpeed, pInfo->meSpeed);
754 pAction->SetDim(pInfo->mbDimPrevious, pInfo->mbDimPrevious);
755 pAction->SetDimColor(pInfo->maDimColor, pInfo->maDimColor);
756 pAction->SetDimHide(pInfo->mbDimHide, pInfo->mbDimHide);
757 pAction->SetSoundOn(pInfo->mbSoundOn, pInfo->mbSoundOn);
758 pAction->SetSound(pInfo->maSoundFile, pInfo->maSoundFile);
759 pAction->SetPlayFull(pInfo->mbPlayFull, pInfo->mbPlayFull);
760 pAction->SetClickAction(pInfo->meClickAction, eClickAction);
761 pAction->SetBookmark(pInfo->GetBookmark(), aBookmark);
762 pAction->SetVerb(pInfo->mnVerb, pInfo->mnVerb);
763 pAction->SetSecondEffect(pInfo->meSecondEffect, pInfo->meSecondEffect);
764 pAction->SetSecondSpeed(pInfo->meSecondSpeed, pInfo->meSecondSpeed);
765 pAction->SetSecondSoundOn(pInfo->mbSecondSoundOn, pInfo->mbSecondSoundOn);
766 pAction->SetSecondPlayFull(pInfo->mbSecondPlayFull, pInfo->mbSecondPlayFull);
767
768 OUString aString(SdResId(STR_UNDO_ANIMATIONreinterpret_cast<char const *>("STR_UNDO_ANIMATION" "\004"
u8"Animation parameters")));
769 pAction->SetComment(aString);
770 mpDocSh->GetUndoManager()->AddUndoAction(std::move(pAction));
771 pInfo->meClickAction = eClickAction;
772 pInfo->SetBookmark( aBookmark );
773 mrDoc.SetChanged();
774
775 nRet = nDropAction;
776 }
777 }
778 else if( dynamic_cast< const DrawViewShell *>( mpViewSh ) != nullptr )
779 {
780 // insert as normal URL button
781 static_cast<DrawViewShell*>( mpViewSh )->InsertURLButton( aINetBookmark.GetURL(), aINetBookmark.GetDescription(), OUString(), &aPos );
782 nRet = nDropAction;
783 }
784 }
785 }
786 }
787 }
788 }
789
790 return nRet;
791}
792
793IMPL_LINK( View, ExecuteNavigatorDrop, void*, p, void )void View::LinkStubExecuteNavigatorDrop(void * instance, void
* data) { return static_cast<View *>(instance)->ExecuteNavigatorDrop
(data); } void View::ExecuteNavigatorDrop(void* p)
1
Calling 'View::ExecuteNavigatorDrop'
→
794{
795 SdNavigatorDropEvent* pSdNavigatorDropEvent = static_cast<SdNavigatorDropEvent*>(p);
796 TransferableDataHelper aDataHelper( pSdNavigatorDropEvent->maDropEvent.Transferable );
797 SdPageObjsTLV::SdPageObjsTransferable* pPageObjsTransferable = SdPageObjsTLV::SdPageObjsTransferable::getImplementation( aDataHelper.GetXTransferable() );
798 INetBookmark aINetBookmark;
799
800 if( pPageObjsTransferable && aDataHelper.GetINetBookmark( SotClipboardFormatId::NETSCAPE_BOOKMARK, aINetBookmark ) )
2
←
Assuming 'pPageObjsTransferable' is non-null
→
3
←
Assuming the condition is true
→
4
←
Taking true branch
→
801 {
802 Point aPos;
803 OUString aBookmark;
804 SdPage* pPage = static_cast<SdPage*>( GetSdrPageView()->GetPage() );
805 sal_uInt16 nPgPos = 0xFFFF;
806
807 if( pSdNavigatorDropEvent->mpTargetWindow )
5
←
Taking false branch
→
808 aPos = pSdNavigatorDropEvent->mpTargetWindow->PixelToLogic( pSdNavigatorDropEvent->maPosPixel );
809
810 const OUString& aURL( aINetBookmark.GetURL() );
811 sal_Int32 nIndex = aURL.indexOf( '#' );
812 if( nIndex != -1 )
6
←
Assuming the condition is false
→
7
←
Taking false branch
→
813 aBookmark = aURL.copy( nIndex+1 );
814
815 std::vector<OUString> aExchangeList;
816 std::vector<OUString> aBookmarkList(1,aBookmark);
817
818 if( !pPage->IsMasterPage() )
8
←
Assuming the condition is false
→
9
←
Taking false branch
→
819 {
820 if( pPage->GetPageKind() == PageKind::Standard )
821 nPgPos = pPage->GetPageNum() + 2;
822 else if( pPage->GetPageKind() == PageKind::Notes )
823 nPgPos = pPage->GetPageNum() + 1;
824 }
825
826 /* In order t ensure unique page names, we test the ones we want to
827 insert. If necessary. we put them into and replacement list (bNameOK
828 == sal_False -> User canceled). */
829 bool bLink = pPageObjsTransferable->GetDragType() == NAVIGATOR_DRAGTYPE_LINK;
10
←
Assuming the condition is false
→
830 bool bNameOK = GetExchangeList( aExchangeList, aBookmarkList, 2 );
11
←
Calling 'View::GetExchangeList'
→
831
832 /* Since we don't know the type (page or object), we fill a list with
833 pages and objects.
834 Of course we have problems if there are pages and objects with the
835 same name!!! */
836 if( bNameOK )
837 {
838 mrDoc.InsertBookmark( aBookmarkList, aExchangeList,
839 bLink, nPgPos,
840 &pPageObjsTransferable->GetDocShell(),
841 &aPos );
842 }
843 }
844
845 delete pSdNavigatorDropEvent;
846}
847
848bool View::GetExchangeList (std::vector<OUString> &rExchangeList,
849 std::vector<OUString> &rBookmarkList,
850 const sal_uInt16 nType)
851{
852 assert(rExchangeList.empty())(static_cast <bool> (rExchangeList.empty()) ? void (0) :
__assert_fail ("rExchangeList.empty()", "/home/maarten/src/libreoffice/core/sd/source/ui/view/sdview2.cxx"
, 852, __extension__ __PRETTY_FUNCTION__));
12
←
Assuming the condition is true
→
13
←
'?' condition is true
→
853
854 bool bListIdentical = true; ///< Bookmark list and exchange list are identical
855 bool bNameOK = true; ///< name is unique
856
857 for ( const auto& rBookmark : rBookmarkList )
858 {
859 OUString aNewName = rBookmark;
860
861 if( nType
13.1
'nType' is not equal to 0
13.1
'nType' is not equal to 0
13.1
'nType' is not equal to 0
13.1
'nType' is not equal to 0
 == 0 || nType
13.2
'nType' is equal to 2
13.2
'nType' is equal to 2
13.2
'nType' is equal to 2
13.2
'nType' is equal to 2
 == 2 )
14
←
Taking true branch
→
862 bNameOK = mpDocSh->CheckPageName(mpViewSh->GetFrameWeld(), aNewName);
863
864 if( bNameOK && ( nType
15.1
'nType' is not equal to 1
15.1
'nType' is not equal to 1
15.1
'nType' is not equal to 1
15.1
'nType' is not equal to 1
 == 1 || nType
15.2
'nType' is equal to 2
15.2
'nType' is equal to 2
15.2
'nType' is equal to 2
15.2
'nType' is equal to 2
 == 2 ) )
15
←
Assuming 'bNameOK' is true
→
16
←
Taking true branch
→
865 {
866 if( mrDoc.GetObj( aNewName ) )
17
←
Assuming the condition is true
→
18
←
Taking true branch
→
867 {
868 OUString aTitle(SdResId(STR_TITLE_NAMEGROUPreinterpret_cast<char const *>("STR_TITLE_NAMEGROUP" "\004"
u8"Name Object")));
869 OUString aDesc(SdResId(STR_DESC_NAMEGROUPreinterpret_cast<char const *>("STR_DESC_NAMEGROUP" "\004"
u8"Name")));
870
871 SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
872 ScopedVclPtr<AbstractSvxNameDialog> pDlg(pFact->CreateSvxNameDialog(mpViewSh->GetFrameWeld(), aNewName, aDesc));
19
←
Calling constructor for 'ScopedVclPtr<AbstractSvxNameDialog>'
→
26
←
Returning from constructor for 'ScopedVclPtr<AbstractSvxNameDialog>'
→
27
←
Calling implicit destructor for 'VclPtr<AbstractSvxNameDialog>'
→
28
←
Calling '~Reference'
→
35
←
Returning from '~Reference'
→
36
←
Returning from destructor for 'VclPtr<AbstractSvxNameDialog>'
→
873
874 pDlg->SetEditHelpId( HID_SD_NAMEDIALOG_OBJECT"SD_HID_SD_NAMEDIALOG_OBJECT" );
37
←
Calling 'VclPtr::operator->'
→
875
876 bNameOK = false;
877 pDlg->SetText( aTitle );
878
879 while( !bNameOK && pDlg->Execute() == RET_OK )
880 {
881 pDlg->GetName( aNewName );
882
883 if( !mrDoc.GetObj( aNewName ) )
884 bNameOK = true;
885 }
886 }
887 }
888
889 bListIdentical = rBookmark == aNewName;
890
891 rExchangeList.push_back(aNewName);
892
893 if (!bNameOK)
894 break;
895 }
896
897 // Exchange list is identical to bookmark list
898 if( !rExchangeList.empty() && bListIdentical )
899 rExchangeList.clear();
900
901 return bNameOK;
902}
903
904} // end of namespace sd
905
906/* 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();
38
←
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)
20
←
Calling implicit copy constructor for 'VclPtr<AbstractSvxNameDialog>'
→
21
←
Calling copy constructor for 'Reference<AbstractSvxNameDialog>'
→
24
←
Returning from copy constructor for 'Reference<AbstractSvxNameDialog>'
→
25
←
Returning from copy constructor for 'VclPtr<AbstractSvxNameDialog>'
→
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)
22
←
Assuming field 'm_pBody' is non-null
→
23
←
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
28.1
Field 'm_pBody' is non-null
28.1
Field 'm_pBody' is non-null
28.1
Field 'm_pBody' is non-null
28.1
Field 'm_pBody' is non-null
)
29
←
Taking true branch
→
113 m_pBody->release();
30
←
Calling 'VclReferenceBase::release'
→
34
←
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;
39
←
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)
31
←
Assuming the condition is true
→
32
←
Taking true branch
→
40 delete this;
33
←
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