File: | home/maarten/src/libreoffice/core/include/rtl/ref.hxx |
Warning: | line 192, column 9 Use of memory after it is freed |
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1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | ||||||||
2 | /* | ||||||||
3 | * This file is part of the LibreOffice project. | ||||||||
4 | * | ||||||||
5 | * This Source Code Form is subject to the terms of the Mozilla Public | ||||||||
6 | * License, v. 2.0. If a copy of the MPL was not distributed with this | ||||||||
7 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||||||||
8 | * | ||||||||
9 | * This file incorporates work covered by the following license notice: | ||||||||
10 | * | ||||||||
11 | * Licensed to the Apache Software Foundation (ASF) under one or more | ||||||||
12 | * contributor license agreements. See the NOTICE file distributed | ||||||||
13 | * with this work for additional information regarding copyright | ||||||||
14 | * ownership. The ASF licenses this file to you under the Apache | ||||||||
15 | * License, Version 2.0 (the "License"); you may not use this file | ||||||||
16 | * except in compliance with the License. You may obtain a copy of | ||||||||
17 | * the License at http://www.apache.org/licenses/LICENSE-2.0 . | ||||||||
18 | */ | ||||||||
19 | |||||||||
20 | #include <fuolbull.hxx> | ||||||||
21 | #include <svl/intitem.hxx> | ||||||||
22 | #include <svl/stritem.hxx> | ||||||||
23 | #include <editeng/outliner.hxx> | ||||||||
24 | #include <editeng/eeitem.hxx> | ||||||||
25 | #include <sfx2/request.hxx> | ||||||||
26 | #include <editeng/numitem.hxx> | ||||||||
27 | #include <strings.hxx> | ||||||||
28 | |||||||||
29 | #include <svx/svxids.hrc> | ||||||||
30 | #include <OutlineView.hxx> | ||||||||
31 | #include <DrawDocShell.hxx> | ||||||||
32 | #include <DrawViewShell.hxx> | ||||||||
33 | #include <Window.hxx> | ||||||||
34 | #include <drawdoc.hxx> | ||||||||
35 | #include <sdabstdlg.hxx> | ||||||||
36 | #include <svx/nbdtmg.hxx> | ||||||||
37 | #include <svx/nbdtmgfact.hxx> | ||||||||
38 | #include <svx/svdoutl.hxx> | ||||||||
39 | #include <memory> | ||||||||
40 | |||||||||
41 | using namespace svx::sidebar; | ||||||||
42 | namespace sd { | ||||||||
43 | |||||||||
44 | FuBulletAndPosition::FuBulletAndPosition(ViewShell* pViewShell, ::sd::Window* pWindow, | ||||||||
45 | ::sd::View* pView, SdDrawDocument* pDoc, | ||||||||
46 | SfxRequest& rReq) | ||||||||
47 | : FuPoor(pViewShell, pWindow, pView, pDoc, rReq) | ||||||||
48 | { | ||||||||
49 | } | ||||||||
50 | |||||||||
51 | rtl::Reference<FuPoor> FuBulletAndPosition::Create( ViewShell* pViewSh, ::sd::Window* pWin, ::sd::View* pView, SdDrawDocument* pDoc, SfxRequest& rReq ) | ||||||||
52 | { | ||||||||
53 | rtl::Reference<FuPoor> xFunc( new FuBulletAndPosition( pViewSh, pWin, pView, pDoc, rReq ) ); | ||||||||
54 | xFunc->DoExecute(rReq); | ||||||||
55 | return xFunc; | ||||||||
56 | } | ||||||||
57 | |||||||||
58 | void FuBulletAndPosition::DoExecute( SfxRequest& rReq ) | ||||||||
59 | { | ||||||||
60 | const sal_uInt16 nSId = rReq.GetSlot(); | ||||||||
61 | if ( nSId == FN_SVX_SET_BULLET( 10000 + 1137 ) || nSId == FN_SVX_SET_NUMBER( 10000 + 1136 ) ) | ||||||||
| |||||||||
62 | { | ||||||||
63 | SetCurrentBulletsNumbering(rReq); | ||||||||
64 | return; | ||||||||
65 | } | ||||||||
66 | |||||||||
67 | const SfxItemSet* pArgs = rReq.GetArgs(); | ||||||||
68 | const SfxStringItem* pPageItem = SfxItemSet::GetItem<SfxStringItem>(pArgs, FN_PARAM_1((20000 + 1100)+60), false); | ||||||||
69 | |||||||||
70 | if ( pArgs
| ||||||||
71 | { | ||||||||
72 | /* not direct to pOlView; therefore, SdDrawView::SetAttributes can catch | ||||||||
73 | changes to master page and redirect to a template */ | ||||||||
74 | mpView->SetAttributes(*pArgs); | ||||||||
75 | return; | ||||||||
76 | } | ||||||||
77 | |||||||||
78 | // fill ItemSet for Dialog | ||||||||
79 | SfxItemSet aEditAttr( mpDoc->GetPool() ); | ||||||||
80 | mpView->GetAttributes( aEditAttr ); | ||||||||
81 | |||||||||
82 | static const sal_uInt16 aAttrMap[] = | ||||||||
83 | { | ||||||||
84 | EE_PARA_NUMBULLET, | ||||||||
85 | EE_PARA_BULLET, | ||||||||
86 | 0 | ||||||||
87 | }; | ||||||||
88 | |||||||||
89 | SfxItemSet aNewAttr( mpViewShell->GetPool(), aAttrMap ); | ||||||||
90 | aNewAttr.Put( aEditAttr, false ); | ||||||||
91 | |||||||||
92 | auto pView = mpView; | ||||||||
93 | |||||||||
94 | // create and execute dialog | ||||||||
95 | SdAbstractDialogFactory* pFact = SdAbstractDialogFactory::Create(); | ||||||||
96 | ScopedVclPtr<AbstractSvxBulletAndPositionDlg> pDlg(pFact->CreateSvxBulletAndPositionDlg(mpViewShell->GetFrameWeld(), &aNewAttr, mpView)); | ||||||||
97 | sal_uInt16 nResult = pDlg->Execute(); | ||||||||
98 | |||||||||
99 | if( nResult == RET_OK ) | ||||||||
100 | { | ||||||||
101 | const SfxItemSet pOutputSet( *pDlg->GetOutputItemSet( &aNewAttr ) ); | ||||||||
102 | pView->SetAttributes(pOutputSet, /*bReplaceAll=*/false, /*bSlide*/ pDlg->IsSlideScope(), /*bMaster=*/pDlg->IsApplyToMaster()); | ||||||||
103 | } | ||||||||
104 | |||||||||
105 | rReq.Done(); | ||||||||
106 | } | ||||||||
107 | |||||||||
108 | void FuBulletAndPosition::SetCurrentBulletsNumbering(SfxRequest& rReq) | ||||||||
109 | { | ||||||||
110 | if (!mpDoc || !mpView) | ||||||||
111 | return; | ||||||||
112 | |||||||||
113 | const sal_uInt16 nSId = rReq.GetSlot(); | ||||||||
114 | if ( nSId != FN_SVX_SET_BULLET( 10000 + 1137 ) && nSId != FN_SVX_SET_NUMBER( 10000 + 1136 ) ) | ||||||||
115 | { | ||||||||
116 | // unexpected SfxRequest | ||||||||
117 | return; | ||||||||
118 | } | ||||||||
119 | |||||||||
120 | const SfxUInt16Item* pItem = rReq.GetArg<SfxUInt16Item>(nSId); | ||||||||
121 | if ( !pItem ) | ||||||||
122 | { | ||||||||
123 | rReq.Done(); | ||||||||
124 | return; | ||||||||
125 | } | ||||||||
126 | |||||||||
127 | SfxItemSet aNewAttr( mpViewShell->GetPool(), svl::Items<EE_ITEMS_START, EE_ITEMS_END>{} ); | ||||||||
128 | { | ||||||||
129 | SfxItemSet aEditAttr( mpDoc->GetPool() ); | ||||||||
130 | mpView->GetAttributes( aEditAttr ); | ||||||||
131 | aNewAttr.Put( aEditAttr, false ); | ||||||||
132 | } | ||||||||
133 | |||||||||
134 | const DrawViewShell* pDrawViewShell = dynamic_cast< DrawViewShell* >(mpViewShell); | ||||||||
135 | //Init bullet level in "Customize" tab page in bullet dialog in master page view | ||||||||
136 | const bool bInMasterView = pDrawViewShell && pDrawViewShell->GetEditMode() == EditMode::MasterPage; | ||||||||
137 | if ( bInMasterView ) | ||||||||
138 | { | ||||||||
139 | SdrObject* pObj = mpView->GetTextEditObject(); | ||||||||
140 | if( pObj && pObj->GetObjIdentifier() == OBJ_OUTLINETEXT ) | ||||||||
141 | { | ||||||||
142 | const sal_uInt16 nLevel = mpView->GetSelectionLevel(); | ||||||||
143 | if( nLevel != 0xFFFF ) | ||||||||
144 | { | ||||||||
145 | //save the itemset value | ||||||||
146 | SfxItemSet aStoreSet( aNewAttr ); | ||||||||
147 | aNewAttr.ClearItem(); | ||||||||
148 | //extend range | ||||||||
149 | aNewAttr.MergeRange( SID_PARAM_NUM_PRESET( 10000 + 856 ), SID_PARAM_CUR_NUM_LEVEL( 10000 + 859 ) ); | ||||||||
150 | aNewAttr.Put( aStoreSet ); | ||||||||
151 | //put current level user selected | ||||||||
152 | aNewAttr.Put( SfxUInt16Item( SID_PARAM_CUR_NUM_LEVEL( 10000 + 859 ), nLevel ) ); | ||||||||
153 | } | ||||||||
154 | } | ||||||||
155 | } | ||||||||
156 | |||||||||
157 | sal_uInt16 nIdx = pItem->GetValue(); | ||||||||
158 | bool bToggle = false; | ||||||||
159 | if( nIdx == sal_uInt16(0xFFFF) ) | ||||||||
160 | { | ||||||||
161 | // If the nIdx is (sal_uInt16)0xFFFF, means set bullet status to on/off | ||||||||
162 | nIdx = 1; | ||||||||
163 | bToggle = true; | ||||||||
164 | } | ||||||||
165 | nIdx--; | ||||||||
166 | |||||||||
167 | sal_uInt32 nNumItemId = SID_ATTR_NUMBERING_RULE( 10000 + 855 ); | ||||||||
168 | const SfxPoolItem* pTmpItem = GetNumBulletItem( aNewAttr, nNumItemId ); | ||||||||
169 | std::unique_ptr<SvxNumRule> pNumRule; | ||||||||
170 | if ( pTmpItem ) | ||||||||
171 | { | ||||||||
172 | pNumRule.reset(new SvxNumRule(*static_cast<const SvxNumBulletItem*>(pTmpItem)->GetNumRule())); | ||||||||
173 | |||||||||
174 | // get numbering rule corresponding to <nIdx> and apply the needed number formats to <pNumRule> | ||||||||
175 | NBOTypeMgrBase* pNumRuleMgr = | ||||||||
176 | NBOutlineTypeMgrFact::CreateInstance( | ||||||||
177 | nSId == FN_SVX_SET_BULLET( 10000 + 1137 ) ? NBOType::Bullets : NBOType::Numbering ); | ||||||||
178 | if ( pNumRuleMgr ) | ||||||||
179 | { | ||||||||
180 | sal_uInt16 nActNumLvl = sal_uInt16(0xFFFF); | ||||||||
181 | const SfxPoolItem* pNumLevelItem = nullptr; | ||||||||
182 | if(SfxItemState::SET == aNewAttr.GetItemState(SID_PARAM_CUR_NUM_LEVEL( 10000 + 859 ), false, &pNumLevelItem)) | ||||||||
183 | nActNumLvl = static_cast<const SfxUInt16Item*>(pNumLevelItem)->GetValue(); | ||||||||
184 | |||||||||
185 | pNumRuleMgr->SetItems(&aNewAttr); | ||||||||
186 | SvxNumRule aTmpRule( *pNumRule ); | ||||||||
187 | if ( nSId == FN_SVX_SET_BULLET( 10000 + 1137 ) && bToggle && nIdx==0 ) | ||||||||
188 | { | ||||||||
189 | // for toggling bullets get default numbering rule | ||||||||
190 | pNumRuleMgr->ApplyNumRule( aTmpRule, nIdx, nActNumLvl, true ); | ||||||||
191 | } | ||||||||
192 | else | ||||||||
193 | { | ||||||||
194 | pNumRuleMgr->ApplyNumRule( aTmpRule, nIdx, nActNumLvl ); | ||||||||
195 | } | ||||||||
196 | |||||||||
197 | sal_uInt16 nMask = 1; | ||||||||
198 | for(sal_uInt16 i = 0; i < pNumRule->GetLevelCount(); i++) | ||||||||
199 | { | ||||||||
200 | if(nActNumLvl & nMask) | ||||||||
201 | { | ||||||||
202 | const SvxNumberFormat& aFmt(aTmpRule.GetLevel(i)); | ||||||||
203 | pNumRule->SetLevel(i, aFmt); | ||||||||
204 | } | ||||||||
205 | nMask <<= 1; | ||||||||
206 | } | ||||||||
207 | } | ||||||||
208 | } | ||||||||
209 | |||||||||
210 | OutlinerView* pOLV = mpView->GetTextEditOutlinerView(); | ||||||||
211 | std::unique_ptr<OutlineViewModelChangeGuard, o3tl::default_delete<OutlineViewModelChangeGuard>> aGuard; | ||||||||
212 | if (OutlineView* pView = dynamic_cast<OutlineView*>(mpView)) | ||||||||
213 | { | ||||||||
214 | pOLV = pView->GetViewByWindow(mpViewShell->GetActiveWindow()); | ||||||||
215 | aGuard.reset(new OutlineViewModelChangeGuard(*pView)); | ||||||||
216 | } | ||||||||
217 | |||||||||
218 | SdrOutliner* pOwner = bInMasterView ? mpView->GetTextEditOutliner() : nullptr; | ||||||||
219 | const bool bOutlinerUndoEnabled = pOwner && !pOwner->IsInUndo() && pOwner->IsUndoEnabled(); | ||||||||
220 | SdrModel* pSdrModel = bInMasterView ? mpView->GetModel() : nullptr; | ||||||||
221 | const bool bModelUndoEnabled = pSdrModel && pSdrModel->IsUndoEnabled(); | ||||||||
222 | |||||||||
223 | if ( bOutlinerUndoEnabled ) | ||||||||
224 | { | ||||||||
225 | pOwner->UndoActionStart( OLUNDO_ATTR200 +5 ); | ||||||||
226 | } | ||||||||
227 | else if ( bModelUndoEnabled ) | ||||||||
228 | { | ||||||||
229 | pSdrModel->BegUndo(); | ||||||||
230 | } | ||||||||
231 | |||||||||
232 | if ( pOLV ) | ||||||||
233 | { | ||||||||
234 | pOLV->ToggleBulletsNumbering( bToggle, nSId == FN_SVX_SET_BULLET( 10000 + 1137 ), bInMasterView ? nullptr : pNumRule.get() ); | ||||||||
235 | } | ||||||||
236 | else | ||||||||
237 | { | ||||||||
238 | mpView->ChangeMarkedObjectsBulletsNumbering( bToggle, nSId == FN_SVX_SET_BULLET( 10000 + 1137 ), bInMasterView ? nullptr : pNumRule.get() ); | ||||||||
239 | } | ||||||||
240 | |||||||||
241 | if (bInMasterView && pNumRule) | ||||||||
242 | { | ||||||||
243 | SfxItemSet aSetAttr( mpViewShell->GetPool(), svl::Items<EE_ITEMS_START, EE_ITEMS_END>{} ); | ||||||||
244 | aSetAttr.Put(SvxNumBulletItem( *pNumRule, nNumItemId )); | ||||||||
245 | mpView->SetAttributes(aSetAttr); | ||||||||
246 | } | ||||||||
247 | |||||||||
248 | if( bOutlinerUndoEnabled ) | ||||||||
249 | { | ||||||||
250 | pOwner->UndoActionEnd(); | ||||||||
251 | } | ||||||||
252 | else if ( bModelUndoEnabled ) | ||||||||
253 | { | ||||||||
254 | pSdrModel->EndUndo(); | ||||||||
255 | } | ||||||||
256 | |||||||||
257 | pNumRule.reset(); | ||||||||
258 | rReq.Done(); | ||||||||
259 | } | ||||||||
260 | |||||||||
261 | const SfxPoolItem* FuBulletAndPosition::GetNumBulletItem(SfxItemSet& aNewAttr, sal_uInt32& nNumItemId) | ||||||||
262 | { | ||||||||
263 | //SvxNumBulletItem* pRetItem = NULL; | ||||||||
264 | const SfxPoolItem* pTmpItem = nullptr; | ||||||||
265 | |||||||||
266 | if(aNewAttr.GetItemState(nNumItemId, false, &pTmpItem) == SfxItemState::SET) | ||||||||
267 | { | ||||||||
268 | return pTmpItem; | ||||||||
269 | } | ||||||||
270 | else | ||||||||
271 | { | ||||||||
272 | nNumItemId = aNewAttr.GetPool()->GetWhich(SID_ATTR_NUMBERING_RULE( 10000 + 855 )); | ||||||||
273 | SfxItemState eState = aNewAttr.GetItemState(nNumItemId, false, &pTmpItem); | ||||||||
274 | if (eState == SfxItemState::SET) | ||||||||
275 | return pTmpItem; | ||||||||
276 | else | ||||||||
277 | { | ||||||||
278 | bool bOutliner = false; | ||||||||
279 | bool bTitle = false; | ||||||||
280 | |||||||||
281 | if( mpView ) | ||||||||
282 | { | ||||||||
283 | const SdrMarkList& rMarkList = mpView->GetMarkedObjectList(); | ||||||||
284 | const size_t nCount = rMarkList.GetMarkCount(); | ||||||||
285 | |||||||||
286 | for(size_t nNum = 0; nNum < nCount; ++nNum) | ||||||||
287 | { | ||||||||
288 | SdrObject* pObj = rMarkList.GetMark(nNum)->GetMarkedSdrObj(); | ||||||||
289 | if( pObj->GetObjInventor() == SdrInventor::Default ) | ||||||||
290 | { | ||||||||
291 | switch(pObj->GetObjIdentifier()) | ||||||||
292 | { | ||||||||
293 | case OBJ_TITLETEXT: | ||||||||
294 | bTitle = true; | ||||||||
295 | break; | ||||||||
296 | case OBJ_OUTLINETEXT: | ||||||||
297 | bOutliner = true; | ||||||||
298 | break; | ||||||||
299 | } | ||||||||
300 | } | ||||||||
301 | } | ||||||||
302 | } | ||||||||
303 | |||||||||
304 | const SvxNumBulletItem *pItem = nullptr; | ||||||||
305 | if(bOutliner) | ||||||||
306 | { | ||||||||
307 | SfxStyleSheetBasePool* pSSPool = mpView->GetDocSh()->GetStyleSheetPool(); | ||||||||
308 | SfxStyleSheetBase* pFirstStyleSheet = pSSPool->Find( STR_LAYOUT_OUTLINE"Gliederung" " 1", SfxStyleFamily::Pseudo); | ||||||||
309 | if( pFirstStyleSheet ) | ||||||||
310 | pFirstStyleSheet->GetItemSet().GetItemState(EE_PARA_NUMBULLET, false, reinterpret_cast<const SfxPoolItem**>(&pItem)); | ||||||||
311 | } | ||||||||
312 | |||||||||
313 | if( pItem == nullptr ) | ||||||||
314 | pItem = aNewAttr.GetPool()->GetSecondaryPool()->GetPoolDefaultItem(EE_PARA_NUMBULLET); | ||||||||
315 | |||||||||
316 | //DBG_ASSERT( pItem, "No EE_PARA_NUMBULLET in the Pool!" ); | ||||||||
317 | |||||||||
318 | std::unique_ptr<SfxPoolItem> pNewItem(pItem->CloneSetWhich(EE_PARA_NUMBULLET)); | ||||||||
319 | aNewAttr.Put(*pNewItem); | ||||||||
320 | |||||||||
321 | if(bTitle && aNewAttr.GetItemState(EE_PARA_NUMBULLET) == SfxItemState::SET ) | ||||||||
322 | { | ||||||||
323 | const SvxNumBulletItem* pBulletItem = aNewAttr.GetItem(EE_PARA_NUMBULLET); | ||||||||
324 | SvxNumRule* pLclRule = pBulletItem->GetNumRule(); | ||||||||
325 | if(pLclRule) | ||||||||
326 | { | ||||||||
327 | SvxNumRule aNewRule( *pLclRule ); | ||||||||
328 | aNewRule.SetFeatureFlag( SvxNumRuleFlags::NO_NUMBERS ); | ||||||||
329 | |||||||||
330 | SvxNumBulletItem aNewItem( aNewRule, EE_PARA_NUMBULLET ); | ||||||||
331 | aNewAttr.Put(aNewItem); | ||||||||
332 | } | ||||||||
333 | } | ||||||||
334 | |||||||||
335 | SfxItemState eItemState = aNewAttr.GetItemState(nNumItemId, false, &pTmpItem); | ||||||||
336 | if (eItemState == SfxItemState::SET) | ||||||||
337 | return pTmpItem; | ||||||||
338 | |||||||||
339 | } | ||||||||
340 | //DBG_ASSERT(eState == SfxItemState::SET, "No item found"); | ||||||||
341 | } | ||||||||
342 | return pTmpItem; | ||||||||
343 | } | ||||||||
344 | |||||||||
345 | |||||||||
346 | } // end of namespace sd | ||||||||
347 | |||||||||
348 | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |
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 | |
36 | class VclReferenceBase; |
37 | |
38 | namespace vcl::detail { |
39 | |
40 | template<typename> |
41 | constexpr bool isIncompleteOrDerivedFromVclReferenceBase(...) { return true; } |
42 | |
43 | template<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 | */ |
56 | template <class reference_type> |
57 | class 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 | |
66 | public: |
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(); |
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 | |
218 | template<typename T1, typename T2> |
219 | inline bool operator ==(VclPtr<T1> const & p1, VclPtr<T2> const & p2) { |
220 | return p1.get() == p2.get(); |
221 | } |
222 | |
223 | template<typename T> inline bool operator ==(VclPtr<T> const & p1, T const * p2) |
224 | { |
225 | return p1.get() == p2; |
226 | } |
227 | |
228 | template<typename T> inline bool operator ==(VclPtr<T> const & p1, T * p2) { |
229 | return p1.get() == p2; |
230 | } |
231 | |
232 | template<typename T> inline bool operator ==(T const * p1, VclPtr<T> const & p2) |
233 | { |
234 | return p1 == p2.get(); |
235 | } |
236 | |
237 | template<typename T> inline bool operator ==(T * p1, VclPtr<T> const & p2) { |
238 | return p1 == p2.get(); |
239 | } |
240 | |
241 | template<typename T1, typename T2> |
242 | inline bool operator !=(VclPtr<T1> const & p1, VclPtr<T2> const & p2) { |
243 | return !(p1 == p2); |
244 | } |
245 | |
246 | template<typename T> inline bool operator !=(VclPtr<T> const & p1, T const * p2) |
247 | { |
248 | return !(p1 == p2); |
249 | } |
250 | |
251 | template<typename T> inline bool operator !=(VclPtr<T> const & p1, T * p2) { |
252 | return !(p1 == p2); |
253 | } |
254 | |
255 | template<typename T> inline bool operator !=(T const * p1, VclPtr<T> const & p2) |
256 | { |
257 | return !(p1 == p2); |
258 | } |
259 | |
260 | template<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 | */ |
274 | template <class reference_type> |
275 | class SAL_WARN_UNUSED__attribute__((warn_unused)) VclPtrInstance final : public VclPtr<reference_type> |
276 | { |
277 | public: |
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 | |
290 | template <class reference_type> |
291 | class ScopedVclPtr : public VclPtr<reference_type> |
292 | { |
293 | public: |
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) |
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 | |
378 | private: |
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 | |
387 | protected: |
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 |
406 | template <class reference_type> |
407 | class SAL_WARN_UNUSED__attribute__((warn_unused)) ScopedVclPtrInstance final : public ScopedVclPtr<reference_type> |
408 | { |
409 | public: |
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 | |
421 | private: |
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: */ |
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 | |||||||||
34 | namespace rtl | ||||||||
35 | { | ||||||||
36 | |||||||||
37 | /** Template reference class for reference type. | ||||||||
38 | */ | ||||||||
39 | template <class reference_type> | ||||||||
40 | class Reference | ||||||||
41 | { | ||||||||
42 | /** The <b>reference_type</b> body pointer. | ||||||||
43 | */ | ||||||||
44 | reference_type * m_pBody; | ||||||||
45 | |||||||||
46 | |||||||||
47 | public: | ||||||||
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) | ||||||||
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
| ||||||||
113 | m_pBody->release(); | ||||||||
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; | ||||||||
| |||||||||
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 | ||||||||
277 | namespace 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 | */ | ||||||||
286 | template<typename T> | ||||||||
287 | struct 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: */ |
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 | |
25 | class VCL_DLLPUBLIC__attribute__ ((visibility("default"))) VclReferenceBase |
26 | { |
27 | mutable oslInterlockedCount mnRefCnt; |
28 | |
29 | template<typename T> friend class VclPtr; |
30 | |
31 | public: |
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) |
40 | delete this; |
41 | } |
42 | #ifdef DBG_UTIL |
43 | #ifndef _WIN32 |
44 | sal_Int32 getRefCount() const { return mnRefCnt; } |
45 | #endif |
46 | #endif |
47 | |
48 | |
49 | private: |
50 | VclReferenceBase(const VclReferenceBase&) = delete; |
51 | VclReferenceBase& operator=(const VclReferenceBase&) = delete; |
52 | |
53 | bool mbDisposed : 1; |
54 | |
55 | protected: |
56 | VclReferenceBase(); |
57 | protected: |
58 | virtual ~VclReferenceBase(); |
59 | |
60 | protected: |
61 | virtual void dispose(); |
62 | |
63 | public: |
64 | void disposeOnce(); |
65 | bool isDisposed() const { return mbDisposed; } |
66 | |
67 | }; |
68 | #endif |