File: | home/maarten/src/libreoffice/core/include/rtl/ref.hxx |
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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 <standard/vclxaccessibleedit.hxx> | |||
21 | ||||
22 | #include <toolkit/awt/vclxwindows.hxx> | |||
23 | #include <toolkit/helper/convert.hxx> | |||
24 | ||||
25 | #include <unotools/accessiblestatesethelper.hxx> | |||
26 | #include <com/sun/star/accessibility/AccessibleStateType.hpp> | |||
27 | #include <com/sun/star/accessibility/AccessibleEventId.hpp> | |||
28 | #include <com/sun/star/accessibility/AccessibleRole.hpp> | |||
29 | #include <com/sun/star/datatransfer/clipboard/XClipboard.hpp> | |||
30 | #include <com/sun/star/accessibility/AccessibleTextType.hpp> | |||
31 | #include <com/sun/star/lang/IndexOutOfBoundsException.hpp> | |||
32 | #include <comphelper/string.hxx> | |||
33 | #include <vcl/svapp.hxx> | |||
34 | #include <vcl/window.hxx> | |||
35 | #include <vcl/settings.hxx> | |||
36 | #include <vcl/toolkit/edit.hxx> | |||
37 | #include <vcl/toolkit/vclmedit.hxx> | |||
38 | #include <vcl/textdata.hxx> | |||
39 | #include <vcl/txtattr.hxx> | |||
40 | #include <vcl/xtextedt.hxx> | |||
41 | #include <sot/exchange.hxx> | |||
42 | #include <sot/formats.hxx> | |||
43 | ||||
44 | #include <algorithm> | |||
45 | ||||
46 | using namespace ::com::sun::star; | |||
47 | using namespace ::com::sun::star::uno; | |||
48 | using namespace ::com::sun::star::lang; | |||
49 | using namespace ::com::sun::star::beans; | |||
50 | using namespace ::com::sun::star::accessibility; | |||
51 | using namespace ::comphelper; | |||
52 | ||||
53 | ||||
54 | // VCLXAccessibleEdit | |||
55 | ||||
56 | ||||
57 | VCLXAccessibleEdit::VCLXAccessibleEdit( VCLXWindow* pVCLWindow ) | |||
58 | :VCLXAccessibleTextComponent( pVCLWindow ) | |||
59 | { | |||
60 | m_nCaretPosition = getCaretPosition(); | |||
61 | } | |||
62 | ||||
63 | ||||
64 | void VCLXAccessibleEdit::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent ) | |||
65 | { | |||
66 | switch ( rVclWindowEvent.GetId() ) | |||
67 | { | |||
68 | case VclEventId::EditModify: | |||
69 | { | |||
70 | SetText( implGetText() ); | |||
71 | } | |||
72 | break; | |||
73 | case VclEventId::EditCaretChanged: | |||
74 | { | |||
75 | sal_Int32 nOldCaretPosition = m_nCaretPosition; | |||
76 | m_nCaretPosition = getCaretPosition(); | |||
77 | ||||
78 | VclPtr<vcl::Window> pWindow = GetWindow(); | |||
79 | if (pWindow && pWindow->HasChildPathFocus()) | |||
80 | { | |||
81 | if (m_nCaretPosition != nOldCaretPosition) | |||
82 | { | |||
83 | Any aOldValue, aNewValue; | |||
84 | aOldValue <<= nOldCaretPosition; | |||
85 | aNewValue <<= m_nCaretPosition; | |||
86 | NotifyAccessibleEvent( AccessibleEventId::CARET_CHANGED, aOldValue, aNewValue ); | |||
87 | } | |||
88 | } | |||
89 | } | |||
90 | break; | |||
91 | case VclEventId::EditSelectionChanged: | |||
92 | { | |||
93 | VclPtr<vcl::Window> pWindow = GetWindow(); | |||
94 | if (pWindow && pWindow->HasChildPathFocus()) | |||
95 | { | |||
96 | NotifyAccessibleEvent( AccessibleEventId::TEXT_SELECTION_CHANGED, Any(), Any() ); | |||
97 | } | |||
98 | } | |||
99 | break; | |||
100 | default: | |||
101 | VCLXAccessibleTextComponent::ProcessWindowEvent( rVclWindowEvent ); | |||
102 | } | |||
103 | } | |||
104 | ||||
105 | ||||
106 | void VCLXAccessibleEdit::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet ) | |||
107 | { | |||
108 | VCLXAccessibleTextComponent::FillAccessibleStateSet( rStateSet ); | |||
109 | ||||
110 | VCLXEdit* pVCLXEdit = static_cast< VCLXEdit* >( GetVCLXWindow() ); | |||
111 | if ( pVCLXEdit ) | |||
112 | { | |||
113 | rStateSet.AddState( AccessibleStateType::FOCUSABLE ); | |||
114 | rStateSet.AddState( AccessibleStateType::SINGLE_LINE ); | |||
115 | if ( pVCLXEdit->isEditable() ) | |||
116 | rStateSet.AddState( AccessibleStateType::EDITABLE ); | |||
117 | } | |||
118 | } | |||
119 | ||||
120 | ||||
121 | // OCommonAccessibleText | |||
122 | ||||
123 | ||||
124 | OUString VCLXAccessibleEdit::implGetText() | |||
125 | { | |||
126 | OUString aText; | |||
127 | ||||
128 | VclPtr< Edit > pEdit = GetAs< Edit >(); | |||
129 | if ( pEdit ) | |||
130 | { | |||
131 | aText = OutputDevice::GetNonMnemonicString( pEdit->GetText() ); | |||
132 | ||||
133 | if ( implGetAccessibleRole() == AccessibleRole::PASSWORD_TEXT ) | |||
134 | { | |||
135 | sal_Unicode cEchoChar = pEdit->GetEchoChar(); | |||
136 | if ( !cEchoChar ) | |||
137 | cEchoChar = '*'; | |||
138 | OUStringBuffer sTmp; | |||
139 | aText = comphelper::string::padToLength(sTmp, aText.getLength(), | |||
140 | cEchoChar).makeStringAndClear(); | |||
141 | } | |||
142 | } | |||
143 | ||||
144 | return aText; | |||
145 | } | |||
146 | ||||
147 | ||||
148 | void VCLXAccessibleEdit::implGetSelection( sal_Int32& nStartIndex, sal_Int32& nEndIndex ) | |||
149 | { | |||
150 | awt::Selection aSelection; | |||
151 | VCLXEdit* pVCLXEdit = static_cast< VCLXEdit* >( GetVCLXWindow() ); | |||
152 | if ( pVCLXEdit ) | |||
153 | aSelection = pVCLXEdit->getSelection(); | |||
154 | ||||
155 | nStartIndex = aSelection.Min; | |||
156 | nEndIndex = aSelection.Max; | |||
157 | } | |||
158 | ||||
159 | ||||
160 | // XInterface | |||
161 | ||||
162 | ||||
163 | IMPLEMENT_FORWARD_XINTERFACE2( VCLXAccessibleEdit, VCLXAccessibleTextComponent, VCLXAccessibleEdit_BASE )void VCLXAccessibleEdit::acquire() throw() { VCLXAccessibleTextComponent ::acquire(); } void VCLXAccessibleEdit::release() throw() { VCLXAccessibleTextComponent ::release(); } css::uno::Any VCLXAccessibleEdit::queryInterface ( const css::uno::Type& _rType ) { css::uno::Any aReturn = VCLXAccessibleTextComponent::queryInterface( _rType ); if ( ! aReturn.hasValue() ) aReturn = VCLXAccessibleEdit_BASE::queryInterface ( _rType ); return aReturn; } | |||
164 | ||||
165 | ||||
166 | // XTypeProvider | |||
167 | ||||
168 | ||||
169 | IMPLEMENT_FORWARD_XTYPEPROVIDER2( VCLXAccessibleEdit, VCLXAccessibleTextComponent, VCLXAccessibleEdit_BASE )css::uno::Sequence< css::uno::Type > VCLXAccessibleEdit ::getTypes( ) { return ::comphelper::concatSequences( VCLXAccessibleTextComponent ::getTypes(), VCLXAccessibleEdit_BASE::getTypes() ); } css::uno ::Sequence< sal_Int8 > VCLXAccessibleEdit::getImplementationId ( ) { return css::uno::Sequence<sal_Int8>(); } | |||
170 | ||||
171 | ||||
172 | // XServiceInfo | |||
173 | ||||
174 | ||||
175 | OUString VCLXAccessibleEdit::getImplementationName() | |||
176 | { | |||
177 | return "com.sun.star.comp.toolkit.AccessibleEdit"; | |||
178 | } | |||
179 | ||||
180 | ||||
181 | Sequence< OUString > VCLXAccessibleEdit::getSupportedServiceNames() | |||
182 | { | |||
183 | return { "com.sun.star.awt.AccessibleEdit" }; | |||
184 | } | |||
185 | ||||
186 | ||||
187 | // XAccessibleContext | |||
188 | ||||
189 | ||||
190 | sal_Int32 VCLXAccessibleEdit::getAccessibleChildCount() | |||
191 | { | |||
192 | OExternalLockGuard aGuard( this ); | |||
193 | ||||
194 | return 0; | |||
195 | } | |||
196 | ||||
197 | ||||
198 | Reference< XAccessible > VCLXAccessibleEdit::getAccessibleChild( sal_Int32 ) | |||
199 | { | |||
200 | throw IndexOutOfBoundsException(); | |||
201 | } | |||
202 | ||||
203 | ||||
204 | sal_Int16 VCLXAccessibleEdit::getAccessibleRole( ) | |||
205 | { | |||
206 | OExternalLockGuard aGuard( this ); | |||
207 | ||||
208 | return implGetAccessibleRole(); | |||
209 | } | |||
210 | ||||
211 | sal_Int16 VCLXAccessibleEdit::implGetAccessibleRole( ) | |||
212 | { | |||
213 | sal_Int16 nRole; | |||
214 | VclPtr< Edit > pEdit = GetAs< Edit >(); | |||
215 | if ( pEdit && ( pEdit->IsPassword() || pEdit->GetEchoChar() ) ) | |||
216 | nRole = AccessibleRole::PASSWORD_TEXT; | |||
217 | else if ( pEdit && ( pEdit->GetStyle() & WB_READONLY ) ) | |||
218 | nRole = AccessibleRole::STATIC; | |||
219 | else | |||
220 | nRole = AccessibleRole::TEXT; | |||
221 | ||||
222 | return nRole; | |||
223 | } | |||
224 | ||||
225 | ||||
226 | // XAccessibleAction | |||
227 | ||||
228 | ||||
229 | sal_Int32 VCLXAccessibleEdit::getAccessibleActionCount( ) | |||
230 | { | |||
231 | OExternalLockGuard aGuard( this ); | |||
232 | ||||
233 | // There is one action: activate | |||
234 | return 1; | |||
235 | } | |||
236 | ||||
237 | ||||
238 | sal_Bool VCLXAccessibleEdit::doAccessibleAction ( sal_Int32 nIndex ) | |||
239 | { | |||
240 | OExternalLockGuard aGuard( this ); | |||
241 | ||||
242 | if ( nIndex != 0 ) | |||
243 | throw IndexOutOfBoundsException(); | |||
244 | ||||
245 | bool bDoAction = false; | |||
246 | VclPtr<vcl::Window> pWindow = GetWindow(); | |||
247 | if ( pWindow ) | |||
248 | { | |||
249 | pWindow->GrabFocus(); | |||
250 | bDoAction = true; | |||
251 | } | |||
252 | ||||
253 | return bDoAction; | |||
254 | } | |||
255 | ||||
256 | ||||
257 | OUString VCLXAccessibleEdit::getAccessibleActionDescription ( sal_Int32 nIndex ) | |||
258 | { | |||
259 | OExternalLockGuard aGuard( this ); | |||
260 | ||||
261 | if ( nIndex != 0) | |||
262 | throw IndexOutOfBoundsException(); | |||
263 | ||||
264 | return "activate"; | |||
265 | } | |||
266 | ||||
267 | ||||
268 | Reference< XAccessibleKeyBinding > VCLXAccessibleEdit::getAccessibleActionKeyBinding( sal_Int32 nIndex ) | |||
269 | { | |||
270 | OExternalLockGuard aGuard( this ); | |||
271 | ||||
272 | if ( nIndex != 0 ) | |||
273 | throw IndexOutOfBoundsException(); | |||
274 | ||||
275 | return Reference< XAccessibleKeyBinding >(); | |||
276 | } | |||
277 | ||||
278 | ||||
279 | // XAccessibleText | |||
280 | ||||
281 | ||||
282 | sal_Int32 VCLXAccessibleEdit::getCaretPosition( ) | |||
283 | { | |||
284 | return getSelectionEnd(); | |||
285 | } | |||
286 | ||||
287 | ||||
288 | sal_Bool VCLXAccessibleEdit::setCaretPosition( sal_Int32 nIndex ) | |||
289 | { | |||
290 | return setSelection( nIndex, nIndex ); | |||
| ||||
291 | } | |||
292 | ||||
293 | ||||
294 | sal_Unicode VCLXAccessibleEdit::getCharacter( sal_Int32 nIndex ) | |||
295 | { | |||
296 | return VCLXAccessibleTextComponent::getCharacter( nIndex ); | |||
297 | } | |||
298 | ||||
299 | ||||
300 | Sequence< PropertyValue > VCLXAccessibleEdit::getCharacterAttributes( sal_Int32 nIndex, const Sequence< OUString >& aRequestedAttributes ) | |||
301 | { | |||
302 | OExternalLockGuard aGuard( this ); | |||
303 | Sequence< PropertyValue > aProperties = VCLXAccessibleTextComponent::getCharacterAttributes( nIndex, aRequestedAttributes ); | |||
304 | ||||
305 | // Handle multiline edit character properties | |||
306 | VclPtr<VclMultiLineEdit> pMulitLineEdit = GetAsDynamic< VclMultiLineEdit >(); | |||
307 | if ( pMulitLineEdit ) | |||
308 | { | |||
309 | ExtTextEngine* pTextEngine = pMulitLineEdit->GetTextEngine(); | |||
310 | TextPaM aCursor( 0, nIndex ); | |||
311 | const TextAttribFontColor* pFontColor = static_cast<const TextAttribFontColor* >(pTextEngine->FindAttrib( aCursor, TEXTATTR_FONTCOLOR1 )); | |||
312 | if ( pFontColor ) | |||
313 | { | |||
314 | for (PropertyValue& aValue : aProperties ) | |||
315 | { | |||
316 | if (aValue.Name == "CharColor") | |||
317 | { | |||
318 | aValue.Value <<= pFontColor->GetColor().GetRGBColor(); | |||
319 | break; | |||
320 | } | |||
321 | } | |||
322 | } | |||
323 | } | |||
324 | ||||
325 | // Set default character color if it is not set yet to a valid value | |||
326 | for (PropertyValue& aValue : aProperties ) | |||
327 | { | |||
328 | if (aValue.Name == "CharColor") | |||
329 | { | |||
330 | if ( aValue.Value == sal_Int32(-1) ) | |||
331 | { | |||
332 | OutputDevice* pDev = Application::GetDefaultDevice(); | |||
333 | if ( pDev ) | |||
334 | { | |||
335 | aValue.Value <<= pDev->GetSettings().GetStyleSettings().GetFieldTextColor(); | |||
336 | } | |||
337 | } | |||
338 | break; | |||
339 | } | |||
340 | } | |||
341 | ||||
342 | return aProperties; | |||
343 | } | |||
344 | ||||
345 | ||||
346 | awt::Rectangle VCLXAccessibleEdit::getCharacterBounds( sal_Int32 nIndex ) | |||
347 | { | |||
348 | OExternalLockGuard aGuard( this ); | |||
349 | ||||
350 | awt::Rectangle aBounds( 0, 0, 0, 0 ); | |||
351 | sal_Int32 nLength = implGetText().getLength(); | |||
352 | ||||
353 | if ( !implIsValidRange( nIndex, nIndex, nLength ) ) | |||
354 | throw IndexOutOfBoundsException(); | |||
355 | ||||
356 | VclPtr< Control > pControl = GetAs< Control >(); | |||
357 | if ( pControl ) | |||
358 | { | |||
359 | if ( nIndex == nLength ) | |||
360 | { | |||
361 | // #108914# calculate virtual bounding rectangle | |||
362 | for ( sal_Int32 i = 0; i < nLength; ++i ) | |||
363 | { | |||
364 | tools::Rectangle aRect = pControl->GetCharacterBounds( i ); | |||
365 | sal_Int32 nHeight = aRect.GetHeight(); | |||
366 | if ( aBounds.Height < nHeight ) | |||
367 | { | |||
368 | aBounds.Y = aRect.Top(); | |||
369 | aBounds.Height = nHeight; | |||
370 | } | |||
371 | if ( i == nLength - 1 ) | |||
372 | { | |||
373 | aBounds.X = aRect.Right() + 1; | |||
374 | aBounds.Width = 1; | |||
375 | } | |||
376 | } | |||
377 | } | |||
378 | else | |||
379 | { | |||
380 | aBounds = AWTRectangle( pControl->GetCharacterBounds( nIndex ) ); | |||
381 | } | |||
382 | } | |||
383 | ||||
384 | return aBounds; | |||
385 | } | |||
386 | ||||
387 | ||||
388 | sal_Int32 VCLXAccessibleEdit::getCharacterCount( ) | |||
389 | { | |||
390 | return VCLXAccessibleTextComponent::getCharacterCount(); | |||
391 | } | |||
392 | ||||
393 | ||||
394 | sal_Int32 VCLXAccessibleEdit::getIndexAtPoint( const awt::Point& aPoint ) | |||
395 | { | |||
396 | return VCLXAccessibleTextComponent::getIndexAtPoint( aPoint ); | |||
397 | } | |||
398 | ||||
399 | ||||
400 | OUString VCLXAccessibleEdit::getSelectedText( ) | |||
401 | { | |||
402 | return VCLXAccessibleTextComponent::getSelectedText(); | |||
403 | } | |||
404 | ||||
405 | ||||
406 | sal_Int32 VCLXAccessibleEdit::getSelectionStart( ) | |||
407 | { | |||
408 | return VCLXAccessibleTextComponent::getSelectionStart(); | |||
409 | } | |||
410 | ||||
411 | ||||
412 | sal_Int32 VCLXAccessibleEdit::getSelectionEnd( ) | |||
413 | { | |||
414 | return VCLXAccessibleTextComponent::getSelectionEnd(); | |||
415 | } | |||
416 | ||||
417 | ||||
418 | sal_Bool VCLXAccessibleEdit::setSelection( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) | |||
419 | { | |||
420 | OExternalLockGuard aGuard( this ); | |||
421 | ||||
422 | bool bReturn = false; | |||
423 | OUString sText( implGetText() ); | |||
424 | ||||
425 | if ( !implIsValidRange( nStartIndex, nEndIndex, sText.getLength() ) ) | |||
426 | throw IndexOutOfBoundsException(); | |||
427 | ||||
428 | VCLXEdit* pVCLXEdit = static_cast< VCLXEdit* >( GetVCLXWindow() ); | |||
429 | VclPtr< Edit > pEdit = GetAs< Edit >(); | |||
430 | if ( pVCLXEdit && pEdit && pEdit->IsEnabled() ) | |||
431 | { | |||
432 | pVCLXEdit->setSelection( awt::Selection( nStartIndex, nEndIndex ) ); | |||
433 | bReturn = true; | |||
434 | } | |||
435 | ||||
436 | return bReturn; | |||
437 | } | |||
438 | ||||
439 | ||||
440 | OUString VCLXAccessibleEdit::getText( ) | |||
441 | { | |||
442 | return VCLXAccessibleTextComponent::getText(); | |||
443 | } | |||
444 | ||||
445 | ||||
446 | OUString VCLXAccessibleEdit::getTextRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) | |||
447 | { | |||
448 | return VCLXAccessibleTextComponent::getTextRange( nStartIndex, nEndIndex ); | |||
449 | } | |||
450 | ||||
451 | ||||
452 | css::accessibility::TextSegment VCLXAccessibleEdit::getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType ) | |||
453 | { | |||
454 | OExternalLockGuard aGuard( this ); | |||
455 | // Override general text component behavior: MultiLineEdit can have more text portions | |||
456 | if ( aTextType == AccessibleTextType::ATTRIBUTE_RUN ) | |||
457 | { | |||
458 | VclPtr<VclMultiLineEdit> pMulitLineEdit = GetAsDynamic< VclMultiLineEdit >(); | |||
459 | if ( pMulitLineEdit ) | |||
460 | { | |||
461 | ExtTextEngine* pTextEngine = pMulitLineEdit->GetTextEngine(); | |||
462 | TextPaM aCursor( 0, nIndex ); | |||
463 | TextSegment aResult; | |||
464 | pTextEngine->GetTextPortionRange( aCursor, aResult.SegmentStart, aResult.SegmentEnd ); | |||
465 | return aResult; | |||
466 | } | |||
467 | } | |||
468 | ||||
469 | return VCLXAccessibleTextComponent::getTextAtIndex( nIndex, aTextType ); | |||
470 | } | |||
471 | ||||
472 | ||||
473 | css::accessibility::TextSegment VCLXAccessibleEdit::getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType ) | |||
474 | { | |||
475 | return VCLXAccessibleTextComponent::getTextBeforeIndex( nIndex, aTextType ); | |||
476 | } | |||
477 | ||||
478 | ||||
479 | css::accessibility::TextSegment VCLXAccessibleEdit::getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType ) | |||
480 | { | |||
481 | return VCLXAccessibleTextComponent::getTextBehindIndex( nIndex, aTextType ); | |||
482 | } | |||
483 | ||||
484 | ||||
485 | sal_Bool VCLXAccessibleEdit::copyText( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) | |||
486 | { | |||
487 | return VCLXAccessibleTextComponent::copyText( nStartIndex, nEndIndex ); | |||
488 | } | |||
489 | ||||
490 | sal_Bool VCLXAccessibleEdit::scrollSubstringTo( sal_Int32, sal_Int32, AccessibleScrollType ) | |||
491 | { | |||
492 | return false; | |||
493 | } | |||
494 | ||||
495 | // XAccessibleEditableText | |||
496 | ||||
497 | ||||
498 | sal_Bool VCLXAccessibleEdit::cutText( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) | |||
499 | { | |||
500 | return copyText( nStartIndex, nEndIndex ) && deleteText( nStartIndex, nEndIndex ); | |||
501 | } | |||
502 | ||||
503 | ||||
504 | sal_Bool VCLXAccessibleEdit::pasteText( sal_Int32 nIndex ) | |||
505 | { | |||
506 | OExternalLockGuard aGuard( this ); | |||
507 | ||||
508 | bool bReturn = false; | |||
509 | ||||
510 | if ( GetWindow() ) | |||
511 | { | |||
512 | Reference< datatransfer::clipboard::XClipboard > xClipboard = GetWindow()->GetClipboard(); | |||
513 | if ( xClipboard.is() ) | |||
514 | { | |||
515 | Reference< datatransfer::XTransferable > xDataObj; | |||
516 | { | |||
517 | SolarMutexReleaser aReleaser; | |||
518 | xDataObj = xClipboard->getContents(); | |||
519 | } | |||
520 | if ( xDataObj.is() ) | |||
521 | { | |||
522 | datatransfer::DataFlavor aFlavor; | |||
523 | SotExchange::GetFormatDataFlavor( SotClipboardFormatId::STRING, aFlavor ); | |||
524 | if ( xDataObj->isDataFlavorSupported( aFlavor ) ) | |||
525 | { | |||
526 | Any aData = xDataObj->getTransferData( aFlavor ); | |||
527 | OUString sText; | |||
528 | aData >>= sText; | |||
529 | bReturn = replaceText( nIndex, nIndex, sText ); | |||
530 | } | |||
531 | } | |||
532 | } | |||
533 | } | |||
534 | ||||
535 | return bReturn; | |||
536 | } | |||
537 | ||||
538 | ||||
539 | sal_Bool VCLXAccessibleEdit::deleteText( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) | |||
540 | { | |||
541 | return replaceText( nStartIndex, nEndIndex, OUString() ); | |||
542 | } | |||
543 | ||||
544 | ||||
545 | sal_Bool VCLXAccessibleEdit::insertText( const OUString& sText, sal_Int32 nIndex ) | |||
546 | { | |||
547 | return replaceText( nIndex, nIndex, sText ); | |||
548 | } | |||
549 | ||||
550 | ||||
551 | sal_Bool VCLXAccessibleEdit::replaceText( sal_Int32 nStartIndex, sal_Int32 nEndIndex, const OUString& sReplacement ) | |||
552 | { | |||
553 | OExternalLockGuard aGuard( this ); | |||
554 | ||||
555 | bool bReturn = false; | |||
556 | OUString sText( implGetText() ); | |||
557 | ||||
558 | if ( !implIsValidRange( nStartIndex, nEndIndex, sText.getLength() ) ) | |||
559 | throw IndexOutOfBoundsException(); | |||
560 | ||||
561 | sal_Int32 nMinIndex = std::min( nStartIndex, nEndIndex ); | |||
562 | sal_Int32 nMaxIndex = std::max( nStartIndex, nEndIndex ); | |||
563 | ||||
564 | VCLXEdit* pVCLXEdit = static_cast< VCLXEdit* >( GetVCLXWindow() ); | |||
565 | if ( pVCLXEdit && pVCLXEdit->isEditable() ) | |||
566 | { | |||
567 | pVCLXEdit->setText( sText.replaceAt( nMinIndex, nMaxIndex - nMinIndex, sReplacement ) ); | |||
568 | sal_Int32 nIndex = nMinIndex + sReplacement.getLength(); | |||
569 | setSelection( nIndex, nIndex ); | |||
570 | bReturn = true; | |||
571 | } | |||
572 | ||||
573 | return bReturn; | |||
574 | } | |||
575 | ||||
576 | ||||
577 | sal_Bool VCLXAccessibleEdit::setAttributes( sal_Int32 nStartIndex, sal_Int32 nEndIndex, const Sequence<PropertyValue>& ) | |||
578 | { | |||
579 | OExternalLockGuard aGuard( this ); | |||
580 | ||||
581 | if ( !implIsValidRange( nStartIndex, nEndIndex, implGetText().getLength() ) ) | |||
582 | throw IndexOutOfBoundsException(); | |||
583 | ||||
584 | return false; // attributes cannot be set for an edit | |||
585 | } | |||
586 | ||||
587 | ||||
588 | sal_Bool VCLXAccessibleEdit::setText( const OUString& sText ) | |||
589 | { | |||
590 | OExternalLockGuard aGuard( this ); | |||
591 | ||||
592 | bool bReturn = false; | |||
593 | ||||
594 | VCLXEdit* pVCLXEdit = static_cast< VCLXEdit* >( GetVCLXWindow() ); | |||
595 | if ( pVCLXEdit && pVCLXEdit->isEditable() ) | |||
596 | { | |||
597 | pVCLXEdit->setText( sText ); | |||
598 | sal_Int32 nSize = sText.getLength(); | |||
599 | pVCLXEdit->setSelection( awt::Selection( nSize, nSize ) ); | |||
600 | bReturn = true; | |||
601 | } | |||
602 | ||||
603 | return bReturn; | |||
604 | } | |||
605 | ||||
606 | ||||
607 | /* 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_TOOLKIT_AWT_VCLXACCESSIBLECOMPONENT_HXX |
21 | #define INCLUDED_TOOLKIT_AWT_VCLXACCESSIBLECOMPONENT_HXX |
22 | |
23 | #include <toolkit/dllapi.h> |
24 | #include <com/sun/star/lang/XServiceInfo.hpp> |
25 | #include <cppuhelper/implbase1.hxx> |
26 | #include <comphelper/accimplaccess.hxx> |
27 | #include <comphelper/accessiblecomponenthelper.hxx> |
28 | |
29 | |
30 | #include <tools/link.hxx> |
31 | #include <vcl/vclptr.hxx> |
32 | |
33 | namespace com::sun::star::accessibility { class XAccessible; } |
34 | |
35 | namespace vcl { class Window; } |
36 | class VCLXWindow; |
37 | class VclWindowEvent; |
38 | |
39 | namespace utl { |
40 | class AccessibleRelationSetHelper; |
41 | class AccessibleStateSetHelper; |
42 | } |
43 | |
44 | |
45 | |
46 | typedef ::cppu::ImplHelper1< |
47 | css::lang::XServiceInfo > VCLXAccessibleComponent_BASE; |
48 | |
49 | class TOOLKIT_DLLPUBLIC__attribute__ ((visibility("default"))) VCLXAccessibleComponent |
50 | :public comphelper::OAccessibleExtendedComponentHelper |
51 | ,public ::comphelper::OAccessibleImplementationAccess |
52 | ,public VCLXAccessibleComponent_BASE |
53 | { |
54 | private: |
55 | rtl::Reference<VCLXWindow> m_xVCLXWindow; |
56 | VclPtr<vcl::Window> m_xEventSource; |
57 | |
58 | DECL_LINK( WindowEventListener, VclWindowEvent&, void )static void LinkStubWindowEventListener(void *, VclWindowEvent &); void WindowEventListener(VclWindowEvent&); |
59 | DECL_LINK( WindowChildEventListener, VclWindowEvent&, void )static void LinkStubWindowChildEventListener(void *, VclWindowEvent &); void WindowChildEventListener(VclWindowEvent&); |
60 | void DisconnectEvents(); |
61 | |
62 | protected: |
63 | virtual void ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent ); |
64 | virtual void ProcessWindowChildEvent( const VclWindowEvent& rVclWindowEvent ); |
65 | virtual void FillAccessibleRelationSet( utl::AccessibleRelationSetHelper& rRelationSet ); |
66 | virtual void FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet ); |
67 | |
68 | virtual css::uno::Reference< css::accessibility::XAccessible > GetChildAccessible( const VclWindowEvent& rVclWindowEvent ); |
69 | |
70 | public: |
71 | VCLXAccessibleComponent( VCLXWindow* pVCLXWindow ); |
72 | virtual ~VCLXAccessibleComponent() override; |
73 | |
74 | VCLXWindow* GetVCLXWindow() const; |
75 | VclPtr<vcl::Window> GetWindow() const; |
76 | template< class derived_type > VclPtr< derived_type > GetAs() const { |
77 | return VclPtr< derived_type >( static_cast< derived_type * >( GetWindow().get() ) ); } |
78 | template< class derived_type > VclPtr< derived_type > GetAsDynamic() const { |
79 | return VclPtr< derived_type >( dynamic_cast< derived_type * >( GetWindow().get() ) ); } |
80 | |
81 | virtual void SAL_CALL disposing() override; |
82 | |
83 | // css::uno::XInterface |
84 | DECLARE_XINTERFACE()virtual css::uno::Any queryInterface( const css::uno::Type& aType ) override; virtual void acquire() throw() override; virtual void release() throw() override; |
85 | // css::lang::XTypeProvider |
86 | DECLARE_XTYPEPROVIDER()virtual css::uno::Sequence< css::uno::Type > getTypes( ) override; virtual css::uno::Sequence< sal_Int8 > getImplementationId ( ) override; |
87 | |
88 | // XServiceInfo |
89 | virtual OUString SAL_CALL getImplementationName() override; |
90 | virtual sal_Bool SAL_CALL supportsService( const OUString& rServiceName ) override; |
91 | virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override; |
92 | |
93 | // css::accessibility::XAccessibleContext |
94 | sal_Int32 SAL_CALL getAccessibleChildCount( ) override; |
95 | css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleChild( sal_Int32 i ) override; |
96 | css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleParent( ) override; |
97 | sal_Int32 SAL_CALL getAccessibleIndexInParent( ) override; |
98 | sal_Int16 SAL_CALL getAccessibleRole( ) override; |
99 | OUString SAL_CALL getAccessibleDescription( ) override; |
100 | OUString SAL_CALL getAccessibleName( ) override; |
101 | OUString SAL_CALL getAccessibleId( ) override; |
102 | css::uno::Reference< css::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet( ) override; |
103 | css::uno::Reference< css::accessibility::XAccessibleStateSet > SAL_CALL getAccessibleStateSet( ) override; |
104 | css::lang::Locale SAL_CALL getLocale( ) override; |
105 | |
106 | // css::accessibility::XAccessibleComponent |
107 | css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleAtPoint( const css::awt::Point& aPoint ) override; |
108 | css::awt::Point SAL_CALL getLocationOnScreen( ) override; |
109 | void SAL_CALL grabFocus( ) override; |
110 | virtual sal_Int32 SAL_CALL getForeground( ) override; |
111 | virtual sal_Int32 SAL_CALL getBackground( ) override; |
112 | |
113 | // css::accessibility::XAccessibleExtendedComponent |
114 | virtual css::uno::Reference< css::awt::XFont > SAL_CALL getFont( ) override; |
115 | virtual OUString SAL_CALL getTitledBorderText( ) override; |
116 | virtual OUString SAL_CALL getToolTipText( ) override; |
117 | |
118 | protected: |
119 | // base class overridables |
120 | css::awt::Rectangle implGetBounds( ) override; |
121 | |
122 | private: |
123 | /** we may be reparented (if external components use OAccessibleImplementationAccess base class), |
124 | so this method here returns the parent in the VCL world, in opposite to the parent |
125 | an external component gave us |
126 | @precond |
127 | the caller must ensure thread safety, i.e. our mutex must be locked |
128 | */ |
129 | css::uno::Reference< css::accessibility::XAccessible > |
130 | getVclParent() const; |
131 | }; |
132 | |
133 | /* ---------------------------------------------------------- |
134 | Accessibility only for the Window hierarchy! |
135 | Maybe derived classes must overwrite these Accessibility interfaces: |
136 | |
137 | // XAccessibleContext: |
138 | sal_Int16 getAccessibleRole() => VCL Window::GetAccessibleRole() |
139 | OUString getAccessibleDescription() => VCL Window::GetAccessibleDescription |
140 | OUString getAccessibleName() => VCL Window::GetAccessibleText() => Most windows return Window::GetText() |
141 | OUString getAccessibleId() => VCL Window::get_id() |
142 | Reference< XAccessibleRelationSet > getAccessibleRelationSet() |
143 | Reference< XAccessibleStateSet > getAccessibleStateSet() => override FillAccessibleStateSet( ... ) |
144 | |
145 | ---------------------------------------------------------- */ |
146 | |
147 | |
148 | #endif // INCLUDED_TOOLKIT_AWT_VCLXACCESSIBLECOMPONENT_HXX |
149 | |
150 | /* 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 |