File: | home/maarten/src/libreoffice/core/framework/source/layoutmanager/helpers.cxx |
Warning: | line 114, 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 "helpers.hxx" | |||
21 | ||||
22 | #include <com/sun/star/ui/DockingArea.hpp> | |||
23 | #include <com/sun/star/awt/Toolkit.hpp> | |||
24 | #include <com/sun/star/awt/XTopWindow.hpp> | |||
25 | #include <com/sun/star/frame/DispatchHelper.hpp> | |||
26 | #include <com/sun/star/awt/XDockableWindow.hpp> | |||
27 | #include <com/sun/star/awt/XDockableWindowListener.hpp> | |||
28 | #include <com/sun/star/awt/XWindowListener.hpp> | |||
29 | #include <com/sun/star/ui/XUIElement.hpp> | |||
30 | ||||
31 | #include <unotools/mediadescriptor.hxx> | |||
32 | #include <vcl/svapp.hxx> | |||
33 | #include <toolkit/helper/vclunohelper.hxx> | |||
34 | ||||
35 | using namespace com::sun::star; | |||
36 | ||||
37 | namespace framework | |||
38 | { | |||
39 | ||||
40 | bool hasEmptySize( const css::awt::Size& rSize ) | |||
41 | { | |||
42 | return ( rSize.Width == 0 ) && ( rSize.Height == 0 ); | |||
43 | } | |||
44 | ||||
45 | bool hasDefaultPosValue( const css::awt::Point& rPos ) | |||
46 | { | |||
47 | return (( rPos.X == SAL_MAX_INT32((sal_Int32) 0x7FFFFFFF) ) || ( rPos.Y == SAL_MAX_INT32((sal_Int32) 0x7FFFFFFF) )); | |||
48 | } | |||
49 | ||||
50 | bool isDefaultPos( const css::awt::Point& rPos ) | |||
51 | { | |||
52 | return (( rPos.X == SAL_MAX_INT32((sal_Int32) 0x7FFFFFFF) ) && ( rPos.Y == SAL_MAX_INT32((sal_Int32) 0x7FFFFFFF) )); | |||
53 | } | |||
54 | ||||
55 | bool isReverseOrderDockingArea( const sal_Int32 nDockArea ) | |||
56 | { | |||
57 | ui::DockingArea eDockArea = static_cast< ui::DockingArea >( nDockArea ); | |||
58 | return (( eDockArea == ui::DockingArea_DOCKINGAREA_BOTTOM ) || | |||
59 | ( eDockArea == ui::DockingArea_DOCKINGAREA_RIGHT )); | |||
60 | } | |||
61 | ||||
62 | bool isToolboxHorizontalAligned( ToolBox const * pToolBox ) | |||
63 | { | |||
64 | if ( pToolBox ) | |||
65 | return (( pToolBox->GetAlign() == WindowAlign::Top ) || ( pToolBox->GetAlign() == WindowAlign::Bottom )); | |||
66 | return false; | |||
67 | } | |||
68 | ||||
69 | bool isHorizontalDockingArea( const ui::DockingArea& nDockingArea ) | |||
70 | { | |||
71 | return (( nDockingArea == ui::DockingArea_DOCKINGAREA_TOP ) || | |||
72 | ( nDockingArea == ui::DockingArea_DOCKINGAREA_BOTTOM )); | |||
73 | } | |||
74 | ||||
75 | bool isHorizontalDockingArea( const sal_Int32 nDockArea ) | |||
76 | { | |||
77 | return isHorizontalDockingArea(static_cast< ui::DockingArea >( nDockArea )); | |||
78 | } | |||
79 | ||||
80 | OUString retrieveToolbarNameFromHelpURL( vcl::Window* pWindow ) | |||
81 | { | |||
82 | OUString aToolbarName; | |||
83 | ||||
84 | if ( pWindow->GetType() == WindowType::TOOLBOX ) | |||
85 | { | |||
86 | ToolBox* pToolBox = dynamic_cast<ToolBox *>( pWindow ); | |||
87 | if ( pToolBox ) | |||
88 | { | |||
89 | aToolbarName = OStringToOUString( pToolBox->GetHelpId(), RTL_TEXTENCODING_UTF8(((rtl_TextEncoding) 76)) ); | |||
90 | sal_Int32 i = aToolbarName.lastIndexOf( ':' ); | |||
91 | if ( !aToolbarName.isEmpty() && ( i > 0 ) && (( i + 1 ) < aToolbarName.getLength() )) | |||
92 | aToolbarName = aToolbarName.copy( i+1 ); // Remove ".HelpId:" protocol from toolbar name | |||
93 | else | |||
94 | aToolbarName.clear(); | |||
95 | } | |||
96 | } | |||
97 | return aToolbarName; | |||
98 | } | |||
99 | ||||
100 | ToolBox* getToolboxPtr( vcl::Window* pWindow ) | |||
101 | { | |||
102 | ToolBox* pToolbox(nullptr); | |||
103 | if ( pWindow->GetType() == WindowType::TOOLBOX ) | |||
104 | pToolbox = dynamic_cast<ToolBox*>( pWindow ); | |||
105 | return pToolbox; | |||
106 | } | |||
107 | ||||
108 | vcl::Window* getWindowFromXUIElement( const uno::Reference< ui::XUIElement >& xUIElement ) | |||
109 | { | |||
110 | SolarMutexGuard aGuard; | |||
111 | uno::Reference< awt::XWindow > xWindow; | |||
112 | if ( xUIElement.is() ) | |||
| ||||
113 | xWindow.set( xUIElement->getRealInterface(), uno::UNO_QUERY ); | |||
114 | return VCLUnoHelper::GetWindow( xWindow ); | |||
| ||||
115 | } | |||
116 | ||||
117 | SystemWindow* getTopSystemWindow( const uno::Reference< awt::XWindow >& xWindow ) | |||
118 | { | |||
119 | VclPtr<vcl::Window> pWindow = VCLUnoHelper::GetWindow( xWindow ); | |||
120 | while ( pWindow && !pWindow->IsSystemWindow() ) | |||
121 | pWindow = pWindow->GetParent(); | |||
122 | ||||
123 | if ( pWindow ) | |||
124 | return static_cast<SystemWindow *>(pWindow.get()); | |||
125 | else | |||
126 | return nullptr; | |||
127 | } | |||
128 | ||||
129 | void setZeroRectangle( ::tools::Rectangle& rRect ) | |||
130 | { | |||
131 | rRect.setX(0); | |||
132 | rRect.setY(0); | |||
133 | rRect.setWidth(0); | |||
134 | rRect.setHeight(0); | |||
135 | } | |||
136 | ||||
137 | // ATTENTION! | |||
138 | // This value is directly copied from the sfx2 project. | |||
139 | // You have to change BOTH values, see sfx2/inc/sfx2/sfxsids.hrc (SID_DOCKWIN_START) | |||
140 | const sal_Int32 DOCKWIN_ID_BASE = 9800; | |||
141 | ||||
142 | bool lcl_checkUIElement(const uno::Reference< ui::XUIElement >& xUIElement, awt::Rectangle& _rPosSize, uno::Reference< awt::XWindow >& _xWindow) | |||
143 | { | |||
144 | bool bRet = xUIElement.is(); | |||
145 | if ( bRet ) | |||
146 | { | |||
147 | SolarMutexGuard aGuard; | |||
148 | _xWindow.set( xUIElement->getRealInterface(), uno::UNO_QUERY ); | |||
149 | _rPosSize = _xWindow->getPosSize(); | |||
150 | ||||
151 | VclPtr<vcl::Window> pWindow = VCLUnoHelper::GetWindow( _xWindow ); | |||
152 | if ( pWindow->GetType() == WindowType::TOOLBOX ) | |||
153 | { | |||
154 | ::Size aSize = static_cast<ToolBox*>(pWindow.get())->CalcWindowSizePixel( 1 ); | |||
155 | _rPosSize.Width = aSize.Width(); | |||
156 | _rPosSize.Height = aSize.Height(); | |||
157 | } | |||
158 | } // if ( xUIElement.is() ) | |||
159 | return bRet; | |||
160 | } | |||
161 | ||||
162 | uno::Reference< awt::XWindowPeer > createToolkitWindow( const uno::Reference< uno::XComponentContext >& rxContext, const uno::Reference< awt::XWindowPeer >& rParent, const char* pService ) | |||
163 | { | |||
164 | uno::Reference< awt::XToolkit2 > xToolkit = awt::Toolkit::create( rxContext ); | |||
165 | ||||
166 | // describe window properties. | |||
167 | css::awt::WindowDescriptor aDescriptor; | |||
168 | aDescriptor.Type = awt::WindowClass_SIMPLE; | |||
169 | aDescriptor.WindowServiceName = OUString::createFromAscii( pService ); | |||
170 | aDescriptor.ParentIndex = -1; | |||
171 | aDescriptor.Parent = rParent; | |||
172 | aDescriptor.Bounds = awt::Rectangle(0,0,0,0); | |||
173 | aDescriptor.WindowAttributes = 0; | |||
174 | ||||
175 | // create an awt window | |||
176 | uno::Reference< awt::XWindowPeer > xPeer = xToolkit->createWindow( aDescriptor ); | |||
177 | ||||
178 | return xPeer; | |||
179 | } | |||
180 | ||||
181 | // convert alignment constant to vcl's WindowAlign type | |||
182 | WindowAlign ImplConvertAlignment( ui::DockingArea aAlignment ) | |||
183 | { | |||
184 | if ( aAlignment == ui::DockingArea_DOCKINGAREA_LEFT ) | |||
185 | return WindowAlign::Left; | |||
186 | else if ( aAlignment == ui::DockingArea_DOCKINGAREA_RIGHT ) | |||
187 | return WindowAlign::Right; | |||
188 | else if ( aAlignment == ui::DockingArea_DOCKINGAREA_TOP ) | |||
189 | return WindowAlign::Top; | |||
190 | else | |||
191 | return WindowAlign::Bottom; | |||
192 | } | |||
193 | ||||
194 | OUString getElementTypeFromResourceURL( const OUString& aResourceURL ) | |||
195 | { | |||
196 | OUString aUIResourceURL( UIRESOURCE_URL"private:resource" ); | |||
197 | if ( aResourceURL.startsWith( aUIResourceURL ) ) | |||
198 | { | |||
199 | sal_Int32 nIndex{ aUIResourceURL.getLength() }; | |||
200 | return aResourceURL.getToken( 1, '/', nIndex ); | |||
201 | } | |||
202 | ||||
203 | return OUString(); | |||
204 | } | |||
205 | ||||
206 | void parseResourceURL( const OUString& aResourceURL, OUString& aElementType, OUString& aElementName ) | |||
207 | { | |||
208 | OUString aUIResourceURL( UIRESOURCE_URL"private:resource" ); | |||
209 | if ( aResourceURL.startsWith( aUIResourceURL ) ) | |||
210 | { | |||
211 | sal_Int32 nIndex{ aUIResourceURL.getLength() }; | |||
212 | aElementType = aResourceURL.getToken( 1, '/', nIndex ); | |||
213 | aElementName = aResourceURL.getToken( 0, '/', nIndex ); | |||
214 | } | |||
215 | } | |||
216 | ||||
217 | css::awt::Rectangle putRectangleValueToAWT( const ::tools::Rectangle& rRect ) | |||
218 | { | |||
219 | css::awt::Rectangle aRect; | |||
220 | aRect.X = rRect.Left(); | |||
221 | aRect.Y = rRect.Top(); | |||
222 | aRect.Width = rRect.Right(); | |||
223 | aRect.Height = rRect.Bottom(); | |||
224 | ||||
225 | return aRect; | |||
226 | } | |||
227 | ||||
228 | ::tools::Rectangle putAWTToRectangle( const css::awt::Rectangle& rRect ) | |||
229 | { | |||
230 | ::tools::Rectangle aRect; | |||
231 | aRect.SetLeft( rRect.X ); | |||
232 | aRect.SetTop( rRect.Y ); | |||
233 | aRect.SetRight( rRect.Width ); | |||
234 | aRect.SetBottom( rRect.Height ); | |||
235 | ||||
236 | return aRect; | |||
237 | } | |||
238 | ||||
239 | bool equalRectangles( const css::awt::Rectangle& rRect1, | |||
240 | const css::awt::Rectangle& rRect2 ) | |||
241 | { | |||
242 | return (( rRect1.X == rRect2.X ) && | |||
243 | ( rRect1.Y == rRect2.Y ) && | |||
244 | ( rRect1.Width == rRect2.Width ) && | |||
245 | ( rRect1.Height == rRect2.Height )); | |||
246 | } | |||
247 | ||||
248 | uno::Reference< frame::XModel > impl_getModelFromFrame( const uno::Reference< frame::XFrame >& rFrame ) | |||
249 | { | |||
250 | // Query for the model to get check the context information | |||
251 | uno::Reference< frame::XModel > xModel; | |||
252 | if ( rFrame.is() ) | |||
253 | { | |||
254 | uno::Reference< frame::XController > xController = rFrame->getController(); | |||
255 | if ( xController.is() ) | |||
256 | xModel = xController->getModel(); | |||
257 | } | |||
258 | ||||
259 | return xModel; | |||
260 | } | |||
261 | ||||
262 | bool implts_isPreviewModel( const uno::Reference< frame::XModel >& xModel ) | |||
263 | { | |||
264 | if ( xModel.is() ) | |||
265 | { | |||
266 | utl::MediaDescriptor aDesc( xModel->getArgs() ); | |||
267 | return aDesc.getUnpackedValueOrDefault(utl::MediaDescriptor::PROP_PREVIEW(), false); | |||
268 | } | |||
269 | else | |||
270 | return false; | |||
271 | } | |||
272 | ||||
273 | bool implts_isFrameOrWindowTop( const uno::Reference< frame::XFrame >& xFrame ) | |||
274 | { | |||
275 | if (xFrame->isTop()) | |||
276 | return true; | |||
277 | ||||
278 | uno::Reference< awt::XTopWindow > xWindowCheck(xFrame->getContainerWindow(), uno::UNO_QUERY); // don't use _THROW here ... it's a check only | |||
279 | if (xWindowCheck.is()) | |||
280 | { | |||
281 | // #i76867# top and system window is required. | |||
282 | SolarMutexGuard aGuard; | |||
283 | uno::Reference< awt::XWindow > xWindow( xWindowCheck, uno::UNO_QUERY ); | |||
284 | VclPtr<vcl::Window> pWindow = VCLUnoHelper::GetWindow( xWindow ); | |||
285 | return pWindow && pWindow->IsSystemWindow(); | |||
286 | } | |||
287 | ||||
288 | return false; | |||
289 | } | |||
290 | ||||
291 | void impl_setDockingWindowVisibility( const css::uno::Reference< css::uno::XComponentContext>& rxContext, const css::uno::Reference< css::frame::XFrame >& rFrame, const OUString& rDockingWindowName, bool bVisible ) | |||
292 | { | |||
293 | sal_Int32 nID = rDockingWindowName.toInt32(); | |||
294 | sal_Int32 nIndex = nID - DOCKWIN_ID_BASE; | |||
295 | ||||
296 | css::uno::Reference< css::frame::XDispatchProvider > xProvider(rFrame, css::uno::UNO_QUERY); | |||
297 | if ( !(nIndex >= 0 && xProvider.is()) ) | |||
298 | return; | |||
299 | ||||
300 | OUString aDockWinArgName = "DockingWindow" + OUString::number( nIndex ); | |||
301 | ||||
302 | css::uno::Sequence< css::beans::PropertyValue > aArgs(1); | |||
303 | aArgs[0].Name = aDockWinArgName; | |||
304 | aArgs[0].Value <<= bVisible; | |||
305 | ||||
306 | css::uno::Reference< css::frame::XDispatchHelper > xDispatcher = css::frame::DispatchHelper::create( rxContext ); | |||
307 | ||||
308 | OUString aDockWinCommand = ".uno:" + aDockWinArgName; | |||
309 | xDispatcher->executeDispatch( | |||
310 | xProvider, | |||
311 | aDockWinCommand, | |||
312 | "_self", | |||
313 | 0, | |||
314 | aArgs); | |||
315 | } | |||
316 | ||||
317 | void impl_addWindowListeners( | |||
318 | const css::uno::Reference< css::uno::XInterface >& xThis, | |||
319 | const css::uno::Reference< css::ui::XUIElement >& xUIElement ) | |||
320 | { | |||
321 | css::uno::Reference< css::awt::XWindow > xWindow( xUIElement->getRealInterface(), css::uno::UNO_QUERY ); | |||
322 | css::uno::Reference< css::awt::XDockableWindow > xDockWindow( xUIElement->getRealInterface(), css::uno::UNO_QUERY ); | |||
323 | if ( !(xDockWindow.is() && xWindow.is()) ) | |||
324 | return; | |||
325 | ||||
326 | try | |||
327 | { | |||
328 | xDockWindow->addDockableWindowListener( | |||
329 | css::uno::Reference< css::awt::XDockableWindowListener >( | |||
330 | xThis, css::uno::UNO_QUERY )); | |||
331 | xWindow->addWindowListener( | |||
332 | css::uno::Reference< css::awt::XWindowListener >( | |||
333 | xThis, css::uno::UNO_QUERY )); | |||
334 | xDockWindow->enableDocking( true ); | |||
335 | } | |||
336 | catch ( const css::uno::Exception& ) | |||
337 | { | |||
338 | } | |||
339 | } | |||
340 | ||||
341 | } // namespace framework | |||
342 | ||||
343 | /* 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 |