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 galbrws1.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 -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 SVXCORE_DLLIMPLEMENTATION -D SYSTEM_LIBXML -D EXCEPTIONS_ON -D LIBO_INTERNAL_ONLY -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/epoxy/include -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/pdfium -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/pdfium/public -D COMPONENT_BUILD -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/svx/inc -I /home/maarten/src/libreoffice/core/svx/source/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/workdir/CustomTarget/officecfg/registry -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/udkapi/normal -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/offapi/normal -I /home/maarten/src/libreoffice/core/workdir/SdiTarget/svx/sdi -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/svx/source/gallery2/galbrws1.cxx

/home/maarten/src/libreoffice/core/svx/source/gallery2/galbrws1.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 <sal/config.h>
21
22#include <comphelper/processfactory.hxx>
23#include <tools/datetime.hxx>
24#include <unotools/datetime.hxx>
25#include <vcl/commandevent.hxx>
26#include <vcl/event.hxx>
27#include <vcl/svapp.hxx>
28#include <vcl/weld.hxx>
29#include <ucbhelper/content.hxx>
30#include <com/sun/star/ucb/ContentCreationException.hpp>
31#include <sfx2/app.hxx>
32#include <helpids.h>
33#include <svx/gallery1.hxx>
34#include <svx/galtheme.hxx>
35#include <svx/galmisc.hxx>
36#include "galbrws1.hxx"
37#include <com/sun/star/util/DateTime.hpp>
38#include <svx/strings.hrc>
39#include <algorithm>
40#include <svx/dialmgr.hxx>
41
42#include <svx/svxdlg.hxx>
43#include <memory>
44#include <bitmaps.hlst>
45
46using namespace ::com::sun::star;
47
48GalleryBrowser1::GalleryBrowser1(
49 weld::Builder& rBuilder,
50 Gallery* pGallery,
51 const std::function<void ()>& rThemeSelectionHandler)
52 :
53 mxNewTheme(rBuilder.weld_button("insert")),
54 mxThemes(rBuilder.weld_tree_view("themelist")),
55 mpGallery ( pGallery ),
56 mpExchangeData ( new ExchangeData ),
57 aImgNormal ( RID_SVXBMP_THEME_NORMAL"svx/res/galnors.png" ),
58 aImgDefault ( RID_SVXBMP_THEME_DEFAULT"svx/res/galdefs.png" ),
59 aImgReadOnly ( RID_SVXBMP_THEME_READONLY"svx/res/galrdos.png" ),
60 maThemeSelectionHandler(rThemeSelectionHandler)
61{
62 mxNewTheme->set_help_id(HID_GALLERY_NEWTHEME"SVX_HID_GALLERY_NEWTHEME");
63 mxNewTheme->connect_clicked( LINK( this, GalleryBrowser1, ClickNewThemeHdl )::tools::detail::makeLink( ::tools::detail::castTo<GalleryBrowser1
*>(this), &GalleryBrowser1::LinkStubClickNewThemeHdl)
);
64
65 mxThemes->make_sorted();
66 mxThemes->set_help_id( HID_GALLERY_THEMELIST"SVX_HID_GALLERY_THEMELIST" );
67 mxThemes->connect_changed( LINK( this, GalleryBrowser1, SelectThemeHdl )::tools::detail::makeLink( ::tools::detail::castTo<GalleryBrowser1
*>(this), &GalleryBrowser1::LinkStubSelectThemeHdl)
);
68 mxThemes->connect_popup_menu(LINK(this, GalleryBrowser1, PopupMenuHdl)::tools::detail::makeLink( ::tools::detail::castTo<GalleryBrowser1
*>(this), &GalleryBrowser1::LinkStubPopupMenuHdl)
);
69 mxThemes->connect_key_press(LINK(this, GalleryBrowser1, KeyInputHdl)::tools::detail::makeLink( ::tools::detail::castTo<GalleryBrowser1
*>(this), &GalleryBrowser1::LinkStubKeyInputHdl)
);
70 mxThemes->set_size_request(-1, mxThemes->get_height_rows(6));
71
72 // disable creation of new themes if a writable directory is not available
73 if( mpGallery->GetUserURL().GetProtocol() == INetProtocol::NotValid )
74 mxNewTheme->set_sensitive(false);
75
76 StartListening( *mpGallery );
77
78 for (size_t i = 0, nCount = mpGallery->GetThemeCount(); i < nCount; ++i)
79 ImplInsertThemeEntry( mpGallery->GetThemeInfo( i ) );
80}
81
82GalleryBrowser1::~GalleryBrowser1()
83{
84 EndListening( *mpGallery );
85 mpExchangeData.reset();
86}
87
88void GalleryBrowser1::ImplInsertThemeEntry( const GalleryThemeEntry* pEntry )
89{
90 static const bool bShowHiddenThemes = ( getenv( "GALLERY_SHOW_HIDDEN_THEMES" ) != nullptr );
91
92 if( !(pEntry && ( !pEntry->IsHidden() || bShowHiddenThemes )) )
93 return;
94
95 const OUString* pImage;
96
97 if( pEntry->IsReadOnly() )
98 pImage = &aImgReadOnly;
99 else if( pEntry->IsDefault() )
100 pImage = &aImgDefault;
101 else
102 pImage = &aImgNormal;
103
104 mxThemes->append("", pEntry->GetThemeName(), *pImage);
105}
106
107void GalleryBrowser1::ImplFillExchangeData( const GalleryTheme* pThm, ExchangeData& rData )
108{
109 rData.pTheme = const_cast<GalleryTheme*>(pThm);
110 rData.aEditedTitle = pThm->GetName();
111
112 try
113 {
114 DateTime aDateTime(pThm->getModificationDate());
115
116 rData.aThemeChangeDate = aDateTime;
117 rData.aThemeChangeTime = aDateTime;
118 }
119 catch( const ucb::ContentCreationException& )
120 {
121 }
122 catch( const uno::RuntimeException& )
123 {
124 }
125 catch( const uno::Exception& )
126 {
127 }
128}
129
130void GalleryBrowser1::ImplGetExecuteVector(std::vector<OString>& o_aExec)
131{
132 GalleryTheme* pTheme = mpGallery->AcquireTheme( GetSelectedTheme(), *this );
133
134 if( !pTheme )
135 return;
136
137 bool bUpdateAllowed, bRenameAllowed, bRemoveAllowed;
138 static const bool bIdDialog = ( getenv( "GALLERY_ENABLE_ID_DIALOG" ) != nullptr );
139
140 if( pTheme->IsReadOnly() )
141 bUpdateAllowed = bRenameAllowed = bRemoveAllowed = false;
142 else if( pTheme->IsDefault() )
143 {
144 bUpdateAllowed = bRenameAllowed = true;
145 bRemoveAllowed = false;
146 }
147 else
148 bUpdateAllowed = bRenameAllowed = bRemoveAllowed = true;
149
150 if( bUpdateAllowed && pTheme->GetObjectCount() )
151 o_aExec.emplace_back("update");
152
153 if( bRenameAllowed )
154 o_aExec.emplace_back("rename");
155
156 if( bRemoveAllowed )
157 o_aExec.emplace_back("delete");
158
159 if( bIdDialog && !pTheme->IsReadOnly() )
160 o_aExec.emplace_back("assign");
161
162 o_aExec.emplace_back("properties");
163
164 mpGallery->ReleaseTheme( pTheme, *this );
165}
166
167void GalleryBrowser1::ImplGalleryThemeProperties( const OUString & rThemeName, bool bCreateNew )
168{
169 DBG_ASSERT(!mpThemePropsDlgItemSet, "mpThemePropsDlgItemSet already set!")do { if (true && (!(!mpThemePropsDlgItemSet))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.tools"), ("/home/maarten/src/libreoffice/core/svx/source/gallery2/galbrws1.cxx"
":" "169" ": "), "%s", "mpThemePropsDlgItemSet already set!"
); } } while (false)
;
170 mpThemePropsDlgItemSet.reset(new SfxItemSet( SfxGetpApp()->GetPool() ));
171 GalleryTheme* pTheme = mpGallery->AcquireTheme( rThemeName, *this );
172
173 ImplFillExchangeData( pTheme, *mpExchangeData );
174
175 SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
176 VclPtr<VclAbstractDialog> xThemePropertiesDialog = pFact->CreateGalleryThemePropertiesDialog(mxThemes.get(), mpExchangeData.get(), mpThemePropsDlgItemSet.get());
177
178 if ( bCreateNew )
179 {
180 xThemePropertiesDialog->StartExecuteAsync([xThemePropertiesDialog, this](sal_Int32 nResult){
181 EndNewThemePropertiesDlgHdl(nResult);
182 xThemePropertiesDialog->disposeOnce();
183 });
184 }
185 else
186 {
187 xThemePropertiesDialog->StartExecuteAsync([xThemePropertiesDialog, this](sal_Int32 nResult){
188 EndThemePropertiesDlgHdl(nResult);
189 xThemePropertiesDialog->disposeOnce();
190 });
191 }
192}
193
194void GalleryBrowser1::ImplEndGalleryThemeProperties(bool bCreateNew, sal_Int32 nRet)
195{
196 if( nRet == RET_OK )
197 {
198 OUString aName( mpExchangeData->pTheme->GetName() );
199
200 if( !mpExchangeData->aEditedTitle.isEmpty() && aName != mpExchangeData->aEditedTitle )
201 {
202 OUString aTitle( mpExchangeData->aEditedTitle );
203 sal_uInt16 nCount = 0;
204
205 while( mpGallery->HasTheme( aTitle ) && ( nCount++ < 16000 ) )
206 {
207 aTitle = mpExchangeData->aEditedTitle + " " + OUString::number( nCount );
208 }
209
210 mpGallery->RenameTheme( aName, aTitle );
211 }
212
213 if ( bCreateNew )
214 {
215 mxThemes->select_text( mpExchangeData->pTheme->GetName() );
216 SelectThemeHdl( *mxThemes );
217 }
218 }
219
220 OUString aThemeName( mpExchangeData->pTheme->GetName() );
221 mpGallery->ReleaseTheme( mpExchangeData->pTheme, *this );
222
223 if ( bCreateNew && ( nRet != RET_OK ) )
224 {
225 mpGallery->RemoveTheme( aThemeName );
226 }
227}
228
229void GalleryBrowser1::EndNewThemePropertiesDlgHdl(sal_Int32 nResult)
230{
231 ImplEndGalleryThemeProperties(true, nResult);
232}
233
234void GalleryBrowser1::EndThemePropertiesDlgHdl(sal_Int32 nResult)
235{
236 ImplEndGalleryThemeProperties(false, nResult);
237}
238
239void GalleryBrowser1::ImplExecute(const OString &rIdent)
240{
241 if (rIdent == "update")
7
Taking true branch
242 {
243 GalleryTheme* pTheme = mpGallery->AcquireTheme( GetSelectedTheme(), *this );
244
245 SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
246 ScopedVclPtr<VclAbstractDialog> aActualizeProgress(pFact->CreateActualizeProgressDialog(mxThemes.get(), pTheme));
8
Calling constructor for 'ScopedVclPtr<VclAbstractDialog>'
15
Returning from constructor for 'ScopedVclPtr<VclAbstractDialog>'
16
Calling implicit destructor for 'VclPtr<VclAbstractDialog>'
17
Calling '~Reference'
24
Returning from '~Reference'
25
Returning from destructor for 'VclPtr<VclAbstractDialog>'
247
248 aActualizeProgress->Execute();
26
Calling 'VclPtr::operator->'
249 mpGallery->ReleaseTheme( pTheme, *this );
250 }
251 else if (rIdent == "delete")
252 {
253 std::unique_ptr<weld::Builder> xBuilder(Application::CreateBuilder(mxThemes.get(), "svx/ui/querydeletethemedialog.ui"));
254 std::unique_ptr<weld::MessageDialog> xQuery(xBuilder->weld_message_dialog("QueryDeleteThemeDialog"));
255 if (xQuery->run() == RET_YES)
256 mpGallery->RemoveTheme( mxThemes->get_selected_text() );
257 }
258 else if (rIdent == "rename")
259 {
260 GalleryTheme* pTheme = mpGallery->AcquireTheme( GetSelectedTheme(), *this );
261 const OUString aOldName( pTheme->GetName() );
262
263 SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
264 ScopedVclPtr<AbstractTitleDialog> aDlg(pFact->CreateTitleDialog(mxThemes.get(), aOldName));
265
266 if( aDlg->Execute() == RET_OK )
267 {
268 const OUString aNewName( aDlg->GetTitle() );
269
270 if( !aNewName.isEmpty() && ( aNewName != aOldName ) )
271 {
272 OUString aName( aNewName );
273 sal_uInt16 nCount = 0;
274
275 while( mpGallery->HasTheme( aName ) && ( nCount++ < 16000 ) )
276 {
277 aName = aNewName + " " + OUString::number( nCount );
278 }
279
280 mpGallery->RenameTheme( aOldName, aName );
281 }
282 }
283 mpGallery->ReleaseTheme( pTheme, *this );
284 }
285 else if (rIdent == "assign")
286 {
287 GalleryTheme* pTheme = mpGallery->AcquireTheme( GetSelectedTheme(), *this );
288
289 if (pTheme && !pTheme->IsReadOnly())
290 {
291
292 SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
293 ScopedVclPtr<AbstractGalleryIdDialog> aDlg(pFact->CreateGalleryIdDialog(mxThemes.get(), pTheme));
294 if( aDlg->Execute() == RET_OK )
295 pTheme->SetId( aDlg->GetId(), true );
296 }
297
298 mpGallery->ReleaseTheme( pTheme, *this );
299 }
300 else if (rIdent == "properties")
301 {
302 ImplGalleryThemeProperties( GetSelectedTheme(), false );
303 }
304}
305
306void GalleryBrowser1::GrabFocus()
307{
308 if (mxNewTheme->get_sensitive())
309 mxNewTheme->grab_focus();
310 else
311 mxThemes->grab_focus();
312}
313
314void GalleryBrowser1::Notify( SfxBroadcaster&, const SfxHint& rHint )
315{
316 const GalleryHint& rGalleryHint = static_cast<const GalleryHint&>(rHint);
317
318 switch( rGalleryHint.GetType() )
319 {
320 case GalleryHintType::THEME_CREATED:
321 ImplInsertThemeEntry( mpGallery->GetThemeInfo( rGalleryHint.GetThemeName() ) );
322 break;
323
324 case GalleryHintType::THEME_RENAMED:
325 {
326 const sal_Int32 nCurSelectPos = mxThemes->get_selected_index();
327 const sal_Int32 nRenameEntryPos = mxThemes->find_text( rGalleryHint.GetThemeName() );
328
329 mxThemes->remove_text( rGalleryHint.GetThemeName() );
330 ImplInsertThemeEntry( mpGallery->GetThemeInfo( rGalleryHint.GetStringData() ) );
331
332 if( nCurSelectPos == nRenameEntryPos )
333 {
334 mxThemes->select_text( rGalleryHint.GetStringData() );
335 SelectThemeHdl( *mxThemes );
336 }
337 }
338 break;
339
340 case GalleryHintType::THEME_REMOVED:
341 {
342 mxThemes->remove_text( rGalleryHint.GetThemeName() );
343 }
344 break;
345
346 case GalleryHintType::CLOSE_THEME:
347 {
348 const sal_Int32 nCurSelectPos = mxThemes->get_selected_index();
349 const sal_Int32 nCloseEntryPos = mxThemes->find_text( rGalleryHint.GetThemeName() );
350
351 if( nCurSelectPos == nCloseEntryPos )
352 {
353 if( nCurSelectPos < ( mxThemes->n_children() - 1 ) )
354 mxThemes->select( nCurSelectPos + 1 );
355 else if( nCurSelectPos )
356 mxThemes->select( nCurSelectPos - 1 );
357 else
358 mxThemes->select(-1);
359
360 SelectThemeHdl( *mxThemes );
361 }
362 }
363 break;
364
365 default:
366 break;
367 }
368}
369
370IMPL_LINK(GalleryBrowser1, KeyInputHdl, const KeyEvent&, rKEvt, bool)bool GalleryBrowser1::LinkStubKeyInputHdl(void * instance, const
KeyEvent& data) { return static_cast<GalleryBrowser1 *
>(instance)->KeyInputHdl(data); } bool GalleryBrowser1::
KeyInputHdl(const KeyEvent& rKEvt)
371{
372 bool bRet = false;
373
374 std::vector<OString> aExecVector;
375 ImplGetExecuteVector(aExecVector);
376 OString sExecuteIdent;
377 bool bMod1 = rKEvt.GetKeyCode().IsMod1();
378
379 switch( rKEvt.GetKeyCode().GetCode() )
380 {
381 case KEY_INSERT:
382 ClickNewThemeHdl(*mxNewTheme);
383 break;
384
385 case KEY_I:
386 {
387 if( bMod1 )
388 ClickNewThemeHdl(*mxNewTheme);
389 }
390 break;
391
392 case KEY_U:
393 {
394 if( bMod1 )
395 sExecuteIdent = "update";
396 }
397 break;
398
399 case KEY_DELETE:
400 sExecuteIdent = "delete";
401 break;
402
403 case KEY_D:
404 {
405 if( bMod1 )
406 sExecuteIdent = "delete";
407 }
408 break;
409
410 case KEY_R:
411 {
412 if( bMod1 )
413 sExecuteIdent = "rename";
414 }
415 break;
416
417 case KEY_RETURN:
418 {
419 if( bMod1 )
420 sExecuteIdent = "properties";
421 }
422 break;
423 }
424
425 if (!sExecuteIdent.isEmpty() && (std::find( aExecVector.begin(), aExecVector.end(), sExecuteIdent) != aExecVector.end()))
426 {
427 ImplExecute(sExecuteIdent);
428 bRet = true;
429 }
430
431 return bRet;
432}
433
434IMPL_LINK(GalleryBrowser1, PopupMenuHdl, const CommandEvent&, rCEvt, bool)bool GalleryBrowser1::LinkStubPopupMenuHdl(void * instance, const
CommandEvent& data) { return static_cast<GalleryBrowser1
*>(instance)->PopupMenuHdl(data); } bool GalleryBrowser1
::PopupMenuHdl(const CommandEvent& rCEvt)
1
Calling 'GalleryBrowser1::PopupMenuHdl'
435{
436 if (rCEvt.GetCommand() != CommandEventId::ContextMenu)
2
Assuming the condition is false
3
Taking false branch
437 return false;
438
439 std::vector<OString> aExecVector;
440 ImplGetExecuteVector(aExecVector);
441
442 if (aExecVector.empty())
4
Assuming the condition is false
5
Taking false branch
443 return true;
444
445 std::unique_ptr<weld::Builder> xBuilder(Application::CreateBuilder(mxThemes.get(), "svx/ui/gallerymenu1.ui"));
446 std::unique_ptr<weld::Menu> xMenu(xBuilder->weld_menu("menu"));
447
448 xMenu->set_visible("update", std::find( aExecVector.begin(), aExecVector.end(), "update" ) != aExecVector.end());
449 xMenu->set_visible("rename", std::find( aExecVector.begin(), aExecVector.end(), "rename" ) != aExecVector.end());
450 xMenu->set_visible("delete", std::find( aExecVector.begin(), aExecVector.end(), "delete" ) != aExecVector.end());
451 xMenu->set_visible("assign", std::find( aExecVector.begin(), aExecVector.end(), "assign" ) != aExecVector.end());
452 xMenu->set_visible("properties", std::find( aExecVector.begin(), aExecVector.end(), "properties" ) != aExecVector.end());
453
454 OString sCommand(xMenu->popup_at_rect(mxThemes.get(), tools::Rectangle(rCEvt.GetMousePosPixel(), Size(1,1))));
455 ImplExecute(sCommand);
6
Calling 'GalleryBrowser1::ImplExecute'
456
457 return true;
458}
459
460IMPL_LINK_NOARG(GalleryBrowser1, SelectThemeHdl, weld::TreeView&, void)void GalleryBrowser1::LinkStubSelectThemeHdl(void * instance,
weld::TreeView& data) { return static_cast<GalleryBrowser1
*>(instance)->SelectThemeHdl(data); } void GalleryBrowser1
::SelectThemeHdl(__attribute__ ((unused)) weld::TreeView&
)
461{
462 if (maThemeSelectionHandler)
463 maThemeSelectionHandler();
464}
465
466IMPL_LINK_NOARG(GalleryBrowser1, ClickNewThemeHdl, weld::Button&, void)void GalleryBrowser1::LinkStubClickNewThemeHdl(void * instance
, weld::Button& data) { return static_cast<GalleryBrowser1
*>(instance)->ClickNewThemeHdl(data); } void GalleryBrowser1
::ClickNewThemeHdl(__attribute__ ((unused)) weld::Button&
)
467{
468 OUString aNewTheme( SvxResId(RID_SVXSTR_GALLERY_NEWTHEMEreinterpret_cast<char const *>("RID_SVXSTR_GALLERY_NEWTHEME"
"\004" u8"New Theme")
) );
469 OUString aName( aNewTheme );
470 sal_uInt16 nCount = 0;
471
472 while( mpGallery->HasTheme( aName ) && ( nCount++ < 16000 ) )
473 {
474 aName = aNewTheme + " " + OUString::number( nCount );
475 }
476
477 if( !mpGallery->HasTheme( aName ) && mpGallery->CreateTheme( aName ) )
478 {
479 ImplGalleryThemeProperties( aName, true );
480 }
481}
482
483/* 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();
27
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)
9
Calling implicit copy constructor for 'VclPtr<VclAbstractDialog>'
10
Calling copy constructor for 'Reference<VclAbstractDialog>'
13
Returning from copy constructor for 'Reference<VclAbstractDialog>'
14
Returning from copy constructor for 'VclPtr<VclAbstractDialog>'
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)
11
Assuming field 'm_pBody' is non-null
12
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
17.1
Field 'm_pBody' is non-null
17.1
Field 'm_pBody' is non-null
17.1
Field 'm_pBody' is non-null
17.1
Field 'm_pBody' is non-null
)
18
Taking true branch
113 m_pBody->release();
19
Calling 'VclReferenceBase::release'
23
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;
28
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)
20
Assuming the condition is true
21
Taking true branch
40 delete this;
22
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