File: | home/maarten/src/libreoffice/core/toolkit/source/helper/unowrapper.cxx |
Warning: | line 179, column 5 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 <toolkit/helper/vclunohelper.hxx> | ||||||
21 | #include <toolkit/awt/vclxwindow.hxx> | ||||||
22 | #include <toolkit/awt/vclxwindows.hxx> | ||||||
23 | #include <toolkit/awt/vclxcontainer.hxx> | ||||||
24 | #include <toolkit/awt/vclxtopwindow.hxx> | ||||||
25 | #include <awt/vclxgraphics.hxx> | ||||||
26 | |||||||
27 | #include <toolkit/dllapi.h> | ||||||
28 | #include <vcl/menu.hxx> | ||||||
29 | |||||||
30 | #include <tools/debug.hxx> | ||||||
31 | |||||||
32 | #include <helper/unowrapper.hxx> | ||||||
33 | |||||||
34 | using namespace ::com::sun::star; | ||||||
35 | |||||||
36 | static css::uno::Reference< css::awt::XWindowPeer > CreateXWindow( vcl::Window const * pWindow ) | ||||||
37 | { | ||||||
38 | switch ( pWindow->GetType() ) | ||||||
39 | { | ||||||
40 | case WindowType::IMAGEBUTTON: | ||||||
41 | case WindowType::SPINBUTTON: | ||||||
42 | case WindowType::MENUBUTTON: | ||||||
43 | case WindowType::MOREBUTTON: | ||||||
44 | case WindowType::PUSHBUTTON: | ||||||
45 | case WindowType::HELPBUTTON: | ||||||
46 | case WindowType::OKBUTTON: | ||||||
47 | case WindowType::CANCELBUTTON: return new VCLXButton; | ||||||
48 | case WindowType::CHECKBOX: return new VCLXCheckBox; | ||||||
49 | // #i95042# | ||||||
50 | // A Window of type <MetricBox> is inherited from type <ComboBox>. | ||||||
51 | // Thus, it does make more sense to return a <VCLXComboBox> instance | ||||||
52 | // instead of only a <VCLXWindow> instance, especially regarding its | ||||||
53 | // corresponding accessibility API. | ||||||
54 | case WindowType::METRICBOX: | ||||||
55 | case WindowType::COMBOBOX: return new VCLXComboBox; | ||||||
56 | case WindowType::SPINFIELD: | ||||||
57 | case WindowType::CURRENCYFIELD: return new VCLXNumericField; | ||||||
58 | case WindowType::DATEFIELD: return new VCLXDateField; | ||||||
59 | case WindowType::MULTILINEEDIT: | ||||||
60 | case WindowType::EDIT: return new VCLXEdit; | ||||||
61 | case WindowType::METRICFIELD: return new VCLXSpinField; | ||||||
62 | case WindowType::MESSBOX: | ||||||
63 | case WindowType::INFOBOX: | ||||||
64 | case WindowType::WARNINGBOX: | ||||||
65 | case WindowType::QUERYBOX: | ||||||
66 | case WindowType::ERRORBOX: return new VCLXMessageBox; | ||||||
67 | case WindowType::FIXEDIMAGE: return new VCLXImageControl; | ||||||
68 | case WindowType::FIXEDTEXT: return new VCLXFixedText; | ||||||
69 | case WindowType::MULTILISTBOX: | ||||||
70 | case WindowType::LISTBOX: return new VCLXListBox; | ||||||
71 | case WindowType::DIALOG: | ||||||
72 | case WindowType::TABDIALOG: | ||||||
73 | case WindowType::BUTTONDIALOG: | ||||||
74 | case WindowType::MODELESSDIALOG: return new VCLXDialog; | ||||||
75 | case WindowType::PATTERNFIELD: return new VCLXPatternField; | ||||||
76 | case WindowType::RADIOBUTTON: return new VCLXRadioButton; | ||||||
77 | case WindowType::SCROLLBAR: return new VCLXScrollBar; | ||||||
78 | case WindowType::TIMEFIELD: return new VCLXTimeField; | ||||||
79 | |||||||
80 | case WindowType::WORKWINDOW: | ||||||
81 | case WindowType::DOCKINGWINDOW: | ||||||
82 | case WindowType::FLOATINGWINDOW: | ||||||
83 | case WindowType::HELPTEXTWINDOW: return new VCLXTopWindow; | ||||||
84 | |||||||
85 | case WindowType::WINDOW: | ||||||
86 | case WindowType::TABPAGE: return new VCLXContainer; | ||||||
87 | |||||||
88 | case WindowType::TOOLBOX: return new VCLXToolBox; | ||||||
89 | case WindowType::TABCONTROL: return new VCLXMultiPage; | ||||||
90 | |||||||
91 | case WindowType::HEADERBAR: return new VCLXHeaderBar; | ||||||
92 | |||||||
93 | // case WindowType::FIXEDLINE: | ||||||
94 | // case WindowType::FIXEDBITMAP: | ||||||
95 | // case WindowType::DATEBOX: | ||||||
96 | // case WindowType::GROUPBOX: | ||||||
97 | // case WindowType::LONGCURRENCYBOX: | ||||||
98 | // case WindowType::SPLITTER: | ||||||
99 | // case WindowType::STATUSBAR: | ||||||
100 | // case WindowType::TABCONTROL: | ||||||
101 | // case WindowType::NUMERICBOX: | ||||||
102 | // case WindowType::TRISTATEBOX: | ||||||
103 | // case WindowType::TIMEBOX: | ||||||
104 | // case WindowType::SPLITWINDOW: | ||||||
105 | // case WindowType::SCROLLBARBOX: | ||||||
106 | // case WindowType::PATTERNBOX: | ||||||
107 | // case WindowType::CURRENCYBOX: | ||||||
108 | default: return new VCLXWindow( true ); | ||||||
109 | } | ||||||
110 | } | ||||||
111 | |||||||
112 | |||||||
113 | |||||||
114 | |||||||
115 | extern "C" { | ||||||
116 | |||||||
117 | TOOLKIT_DLLPUBLIC__attribute__ ((visibility("default"))) UnoWrapperBase* CreateUnoWrapper() | ||||||
118 | { | ||||||
119 | return new UnoWrapper( nullptr ); | ||||||
120 | } | ||||||
121 | |||||||
122 | } // extern "C" | ||||||
123 | |||||||
124 | |||||||
125 | UnoWrapper::UnoWrapper( const css::uno::Reference< css::awt::XToolkit>& rxToolkit ) | ||||||
126 | { | ||||||
127 | mxToolkit = rxToolkit; | ||||||
128 | } | ||||||
129 | |||||||
130 | void UnoWrapper::Destroy() | ||||||
131 | { | ||||||
132 | delete this; | ||||||
133 | } | ||||||
134 | |||||||
135 | UnoWrapper::~UnoWrapper() | ||||||
136 | { | ||||||
137 | } | ||||||
138 | |||||||
139 | css::uno::Reference< css::awt::XToolkit> UnoWrapper::GetVCLToolkit() | ||||||
140 | { | ||||||
141 | if ( !mxToolkit.is() ) | ||||||
142 | mxToolkit = VCLUnoHelper::CreateToolkit(); | ||||||
143 | return mxToolkit.get(); | ||||||
144 | } | ||||||
145 | |||||||
146 | css::uno::Reference< css::awt::XWindowPeer> UnoWrapper::GetWindowInterface( vcl::Window* pWindow ) | ||||||
147 | { | ||||||
148 | css::uno::Reference< css::awt::XWindowPeer> xPeer = pWindow->GetWindowPeer(); | ||||||
149 | if ( !xPeer.is() ) | ||||||
| |||||||
150 | { | ||||||
151 | xPeer = CreateXWindow( pWindow ); | ||||||
152 | SetWindowInterface( pWindow, xPeer ); | ||||||
153 | } | ||||||
154 | return xPeer; | ||||||
155 | } | ||||||
156 | |||||||
157 | VclPtr<vcl::Window> UnoWrapper::GetWindow(const css::uno::Reference<css::awt::XWindow>& rWindow) | ||||||
158 | { | ||||||
159 | return VCLUnoHelper::GetWindow(rWindow); | ||||||
160 | } | ||||||
161 | |||||||
162 | void UnoWrapper::SetWindowInterface( vcl::Window* pWindow, css::uno::Reference< css::awt::XWindowPeer> xIFace ) | ||||||
163 | { | ||||||
164 | VCLXWindow* pVCLXWindow = comphelper::getUnoTunnelImplementation<VCLXWindow>( xIFace ); | ||||||
165 | |||||||
166 | DBG_ASSERT( pVCLXWindow, "SetComponentInterface - unsupported type" )do { if (true && (!(pVCLXWindow))) { sal_detail_logFormat ((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.tools"), ("/home/maarten/src/libreoffice/core/toolkit/source/helper/unowrapper.cxx" ":" "166" ": "), "%s", "SetComponentInterface - unsupported type" ); } } while (false); | ||||||
167 | if ( !pVCLXWindow
| ||||||
168 | return; | ||||||
169 | |||||||
170 | css::uno::Reference< css::awt::XWindowPeer> xPeer = pWindow->GetWindowPeer(); | ||||||
171 | if( xPeer.is() ) | ||||||
172 | { | ||||||
173 | bool bSameInstance( pVCLXWindow == dynamic_cast< VCLXWindow* >( xPeer.get() )); | ||||||
174 | DBG_ASSERT( bSameInstance, "UnoWrapper::SetWindowInterface: there already *is* a WindowInterface for this window!" )do { if (true && (!(bSameInstance))) { sal_detail_logFormat ((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.tools"), ("/home/maarten/src/libreoffice/core/toolkit/source/helper/unowrapper.cxx" ":" "174" ": "), "%s", "UnoWrapper::SetWindowInterface: there already *is* a WindowInterface for this window!" ); } } while (false); | ||||||
175 | if ( bSameInstance ) | ||||||
176 | return; | ||||||
177 | } | ||||||
178 | pVCLXWindow->SetWindow( pWindow ); | ||||||
179 | pWindow->SetWindowPeer( xIFace, pVCLXWindow ); | ||||||
| |||||||
180 | } | ||||||
181 | |||||||
182 | css::uno::Reference< css::awt::XGraphics> UnoWrapper::CreateGraphics( OutputDevice* pOutDev ) | ||||||
183 | { | ||||||
184 | css::uno::Reference< css::awt::XGraphics> xGrf; | ||||||
185 | VCLXGraphics* pGrf = new VCLXGraphics; | ||||||
186 | xGrf = pGrf; | ||||||
187 | pGrf->Init( pOutDev ); | ||||||
188 | return xGrf; | ||||||
189 | } | ||||||
190 | |||||||
191 | void UnoWrapper::ReleaseAllGraphics( OutputDevice* pOutDev ) | ||||||
192 | { | ||||||
193 | std::vector< VCLXGraphics* > *pLst = pOutDev->GetUnoGraphicsList(); | ||||||
194 | if ( pLst ) | ||||||
195 | { | ||||||
196 | for (VCLXGraphics* pGrf : *pLst) | ||||||
197 | { | ||||||
198 | pGrf->SetOutputDevice( nullptr ); | ||||||
199 | } | ||||||
200 | } | ||||||
201 | |||||||
202 | } | ||||||
203 | |||||||
204 | static bool lcl_ImplIsParent( vcl::Window const * pParentWindow, vcl::Window* pPossibleChild ) | ||||||
205 | { | ||||||
206 | vcl::Window* pWindow = ( pPossibleChild != pParentWindow ) ? pPossibleChild : nullptr; | ||||||
207 | while ( pWindow && ( pWindow != pParentWindow ) ) | ||||||
208 | pWindow = pWindow->GetParent(); | ||||||
209 | |||||||
210 | return pWindow != nullptr; | ||||||
211 | } | ||||||
212 | |||||||
213 | void UnoWrapper::WindowDestroyed( vcl::Window* pWindow ) | ||||||
214 | { | ||||||
215 | // their still might be some children created with css::loader::Java | ||||||
216 | // that would otherwise not be destroyed until the garbage collector cleans up | ||||||
217 | VclPtr< vcl::Window > pChild = pWindow->GetWindow( GetWindowType::FirstChild ); | ||||||
218 | while ( pChild ) | ||||||
219 | { | ||||||
220 | VclPtr< vcl::Window > pNextChild = pChild->GetWindow( GetWindowType::Next ); | ||||||
221 | |||||||
222 | VclPtr< vcl::Window > pClient = pChild->GetWindow( GetWindowType::Client ); | ||||||
223 | if ( pClient && pClient->GetWindowPeer() ) | ||||||
224 | { | ||||||
225 | css::uno::Reference< css::lang::XComponent > xComp = pClient->GetComponentInterface( false ); | ||||||
226 | xComp->dispose(); | ||||||
227 | } | ||||||
228 | |||||||
229 | pChild = pNextChild; | ||||||
230 | } | ||||||
231 | |||||||
232 | // find system windows... | ||||||
233 | VclPtr< vcl::Window > pOverlap = pWindow->GetWindow( GetWindowType::Overlap ); | ||||||
234 | if ( pOverlap ) | ||||||
235 | { | ||||||
236 | pOverlap = pOverlap->GetWindow( GetWindowType::FirstOverlap ); | ||||||
237 | while ( pOverlap ) | ||||||
238 | { | ||||||
239 | VclPtr< vcl::Window > pNextOverlap = pOverlap->GetWindow( GetWindowType::Next ); | ||||||
240 | VclPtr< vcl::Window > pClient = pOverlap->GetWindow( GetWindowType::Client ); | ||||||
241 | |||||||
242 | if ( pClient && pClient->GetWindowPeer() && lcl_ImplIsParent( pWindow, pClient ) ) | ||||||
243 | { | ||||||
244 | css::uno::Reference< css::lang::XComponent > xComp = pClient->GetComponentInterface( false ); | ||||||
245 | xComp->dispose(); | ||||||
246 | } | ||||||
247 | |||||||
248 | pOverlap = pNextOverlap; | ||||||
249 | } | ||||||
250 | } | ||||||
251 | |||||||
252 | { | ||||||
253 | VclPtr< vcl::Window > pParent = pWindow->GetParent(); | ||||||
254 | if ( pParent && pParent->GetWindowPeer() ) | ||||||
255 | pParent->GetWindowPeer()->notifyWindowRemoved( *pWindow ); | ||||||
256 | } | ||||||
257 | |||||||
258 | VCLXWindow* pWindowPeer = pWindow->GetWindowPeer(); | ||||||
259 | uno::Reference< lang::XComponent > xWindowPeerComp = pWindow->GetComponentInterface( false ); | ||||||
260 | OSL_ENSURE( ( pWindowPeer != nullptr ) == xWindowPeerComp.is(),do { if (true && (!(( pWindowPeer != nullptr ) == xWindowPeerComp .is()))) { sal_detail_logFormat((SAL_DETAIL_LOG_LEVEL_WARN), ( "legacy.osl"), ("/home/maarten/src/libreoffice/core/toolkit/source/helper/unowrapper.cxx" ":" "261" ": "), "%s", "UnoWrapper::WindowDestroyed: inconsistency in the window's peers!" ); } } while (false) | ||||||
261 | "UnoWrapper::WindowDestroyed: inconsistency in the window's peers!" )do { if (true && (!(( pWindowPeer != nullptr ) == xWindowPeerComp .is()))) { sal_detail_logFormat((SAL_DETAIL_LOG_LEVEL_WARN), ( "legacy.osl"), ("/home/maarten/src/libreoffice/core/toolkit/source/helper/unowrapper.cxx" ":" "261" ": "), "%s", "UnoWrapper::WindowDestroyed: inconsistency in the window's peers!" ); } } while (false); | ||||||
262 | if ( pWindowPeer ) | ||||||
263 | { | ||||||
264 | pWindowPeer->SetWindow( nullptr ); | ||||||
265 | pWindow->SetWindowPeer( nullptr, nullptr ); | ||||||
266 | } | ||||||
267 | if ( xWindowPeerComp.is() ) | ||||||
268 | xWindowPeerComp->dispose(); | ||||||
269 | |||||||
270 | // #102132# Iterate over frames after setting Window peer to NULL, | ||||||
271 | // because while destroying other frames, we get into the method again and try | ||||||
272 | // to destroy this window again... | ||||||
273 | // #i42462#/#116855# no, don't loop: Instead, just ensure that all our top-window-children | ||||||
274 | // are disposed, too (which should also be a valid fix for #102132#, but doesn't have the extreme | ||||||
275 | // performance penalties) | ||||||
276 | VclPtr< vcl::Window > pTopWindowChild = pWindow->GetWindow( GetWindowType::FirstTopWindowChild ); | ||||||
277 | while ( pTopWindowChild ) | ||||||
278 | { | ||||||
279 | OSL_ENSURE( pTopWindowChild->GetParent() == pWindow,do { if (true && (!(pTopWindowChild->GetParent() == pWindow))) { sal_detail_logFormat((SAL_DETAIL_LOG_LEVEL_WARN ), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/toolkit/source/helper/unowrapper.cxx" ":" "280" ": "), "%s", "UnoWrapper::WindowDestroyed: inconsistency in the SystemWindow relationship!" ); } } while (false) | ||||||
280 | "UnoWrapper::WindowDestroyed: inconsistency in the SystemWindow relationship!" )do { if (true && (!(pTopWindowChild->GetParent() == pWindow))) { sal_detail_logFormat((SAL_DETAIL_LOG_LEVEL_WARN ), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/toolkit/source/helper/unowrapper.cxx" ":" "280" ": "), "%s", "UnoWrapper::WindowDestroyed: inconsistency in the SystemWindow relationship!" ); } } while (false); | ||||||
281 | |||||||
282 | VclPtr< vcl::Window > pNextTopChild = pTopWindowChild->GetWindow( GetWindowType::NextTopWindowSibling ); | ||||||
283 | |||||||
284 | pTopWindowChild.disposeAndClear(); | ||||||
285 | pTopWindowChild = pNextTopChild; | ||||||
286 | } | ||||||
287 | } | ||||||
288 | |||||||
289 | |||||||
290 | css::uno::Reference< css::accessibility::XAccessible > UnoWrapper::CreateAccessible( Menu* pMenu, bool bIsMenuBar ) | ||||||
291 | { | ||||||
292 | return maAccessibleFactoryAccess.getFactory().createAccessible( pMenu, bIsMenuBar ); | ||||||
293 | } | ||||||
294 | |||||||
295 | /* 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 |