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 | ||||
10 | #include <basegfx/polygon/b2dpolygon.hxx> | |||
11 | #include <comphelper/dispatchcommand.hxx> | |||
12 | #include <drawinglayer/primitive2d/polygonprimitive2d.hxx> | |||
13 | #include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx> | |||
14 | #include <drawinglayer/primitive2d/PolyPolygonStrokePrimitive2D.hxx> | |||
15 | #include <drawinglayer/processor2d/baseprocessor2d.hxx> | |||
16 | #include <drawinglayer/processor2d/processorfromoutputdevice.hxx> | |||
17 | #include <memory> | |||
18 | #include <officecfg/Office/UI/Infobar.hxx> | |||
19 | #include <sfx2/bindings.hxx> | |||
20 | #include <sfx2/dispatch.hxx> | |||
21 | #include <sfx2/infobar.hxx> | |||
22 | #include <sfx2/objface.hxx> | |||
23 | #include <sfx2/sfxsids.hrc> | |||
24 | #include <sfx2/viewfrm.hxx> | |||
25 | #include <vcl/decoview.hxx> | |||
26 | #include <vcl/image.hxx> | |||
27 | #include <vcl/settings.hxx> | |||
28 | #include <vcl/svapp.hxx> | |||
29 | #include <vcl/virdev.hxx> | |||
30 | #include <vcl/weldutils.hxx> | |||
31 | #include <bitmaps.hlst> | |||
32 | ||||
33 | using namespace std; | |||
34 | using namespace drawinglayer::geometry; | |||
35 | using namespace drawinglayer::processor2d; | |||
36 | using namespace drawinglayer::primitive2d; | |||
37 | using namespace drawinglayer::attribute; | |||
38 | using namespace basegfx; | |||
39 | using namespace css::frame; | |||
40 | ||||
41 | namespace | |||
42 | { | |||
43 | void GetInfoBarColors(InfobarType ibType, BColor& rBackgroundColor, BColor& rForegroundColor, | |||
44 | BColor& rMessageColor) | |||
45 | { | |||
46 | rMessageColor = basegfx::BColor(0.0, 0.0, 0.0); | |||
47 | ||||
48 | switch (ibType) | |||
49 | { | |||
50 | case InfobarType::INFO: // blue; #004785/0,71,133; #BDE5F8/189,229,248 | |||
51 | rBackgroundColor = basegfx::BColor(0.741, 0.898, 0.973); | |||
52 | rForegroundColor = basegfx::BColor(0.0, 0.278, 0.522); | |||
53 | break; | |||
54 | case InfobarType::SUCCESS: // green; #32550C/50,85,12; #DFF2BF/223,242,191 | |||
55 | rBackgroundColor = basegfx::BColor(0.874, 0.949, 0.749); | |||
56 | rForegroundColor = basegfx::BColor(0.196, 0.333, 0.047); | |||
57 | break; | |||
58 | case InfobarType::WARNING: // orange; #704300/112,67,0; #FEEFB3/254,239,179 | |||
59 | rBackgroundColor = basegfx::BColor(0.996, 0.937, 0.702); | |||
60 | rForegroundColor = basegfx::BColor(0.439, 0.263, 0.0); | |||
61 | break; | |||
62 | case InfobarType::DANGER: // red; #7A0006/122,0,6; #FFBABA/255,186,186 | |||
63 | rBackgroundColor = basegfx::BColor(1.0, 0.729, 0.729); | |||
64 | rForegroundColor = basegfx::BColor(0.478, 0.0, 0.024); | |||
65 | break; | |||
66 | } | |||
67 | ||||
68 | //remove this? | |||
69 | const StyleSettings& rSettings = Application::GetSettings().GetStyleSettings(); | |||
70 | if (rSettings.GetHighContrastMode()) | |||
71 | { | |||
72 | rBackgroundColor = rSettings.GetLightColor().getBColor(); | |||
73 | rForegroundColor = rSettings.GetDialogTextColor().getBColor(); | |||
74 | } | |||
75 | } | |||
76 | OUString GetInfoBarIconName(InfobarType ibType) | |||
77 | { | |||
78 | OUString aRet; | |||
79 | ||||
80 | switch (ibType) | |||
81 | { | |||
82 | case InfobarType::INFO: | |||
83 | aRet = "vcl/res/infobox.png"; | |||
84 | break; | |||
85 | case InfobarType::SUCCESS: | |||
86 | aRet = "vcl/res/successbox.png"; | |||
87 | break; | |||
88 | case InfobarType::WARNING: | |||
89 | aRet = "vcl/res/warningbox.png"; | |||
90 | break; | |||
91 | case InfobarType::DANGER: | |||
92 | aRet = "vcl/res/errorbox.png"; | |||
93 | break; | |||
94 | } | |||
95 | ||||
96 | return aRet; | |||
97 | } | |||
98 | ||||
99 | } // anonymous namespace | |||
100 | ||||
101 | void SfxInfoBarWindow::SetCloseButtonImage() | |||
102 | { | |||
103 | Size aSize = Image(StockImage::Yes, CLOSEDOC"sfx2/res/closedoc.png").GetSizePixel(); | |||
104 | aSize = Size(aSize.Width() * 1.5, aSize.Height() * 1.5); | |||
105 | ||||
106 | VclPtr<VirtualDevice> xDevice(m_xCloseBtn->create_virtual_device()); | |||
107 | xDevice->SetOutputSizePixel(aSize); | |||
108 | ||||
109 | Point aBtnPos(0, 0); | |||
110 | ||||
111 | const ViewInformation2D aNewViewInfos; | |||
112 | const unique_ptr<BaseProcessor2D> pProcessor( | |||
113 | createBaseProcessor2DFromOutputDevice(*xDevice, aNewViewInfos)); | |||
114 | ||||
115 | const ::tools::Rectangle aRect(aBtnPos, xDevice->PixelToLogic(aSize)); | |||
116 | ||||
117 | drawinglayer::primitive2d::Primitive2DContainer aSeq(2); | |||
118 | ||||
119 | // background | |||
120 | B2DPolygon aPolygon; | |||
121 | aPolygon.append(B2DPoint(aRect.Left(), aRect.Top())); | |||
122 | aPolygon.append(B2DPoint(aRect.Right(), aRect.Top())); | |||
123 | aPolygon.append(B2DPoint(aRect.Right(), aRect.Bottom())); | |||
124 | aPolygon.append(B2DPoint(aRect.Left(), aRect.Bottom())); | |||
125 | aPolygon.setClosed(true); | |||
126 | ||||
127 | PolyPolygonColorPrimitive2D* pBack | |||
128 | = new PolyPolygonColorPrimitive2D(B2DPolyPolygon(aPolygon), m_aBackgroundColor); | |||
129 | aSeq[0] = pBack; | |||
130 | ||||
131 | LineAttribute aLineAttribute(m_aForegroundColor, 2.0); | |||
132 | ||||
133 | // Cross | |||
134 | B2DPolyPolygon aCross; | |||
135 | ||||
136 | B2DPolygon aLine1; | |||
137 | aLine1.append(B2DPoint(aRect.Left(), aRect.Top())); | |||
138 | aLine1.append(B2DPoint(aRect.Right(), aRect.Bottom())); | |||
139 | aCross.append(aLine1); | |||
140 | ||||
141 | B2DPolygon aLine2; | |||
142 | aLine2.append(B2DPoint(aRect.Right(), aRect.Top())); | |||
143 | aLine2.append(B2DPoint(aRect.Left(), aRect.Bottom())); | |||
144 | aCross.append(aLine2); | |||
145 | ||||
146 | PolyPolygonStrokePrimitive2D* pCross | |||
147 | = new PolyPolygonStrokePrimitive2D(aCross, aLineAttribute, StrokeAttribute()); | |||
148 | ||||
149 | aSeq[1] = pCross; | |||
150 | ||||
151 | pProcessor->process(aSeq); | |||
152 | ||||
153 | m_xCloseBtn->set_item_image("close", xDevice); | |||
154 | } | |||
155 | ||||
156 | class ExtraButton | |||
157 | { | |||
158 | private: | |||
159 | std::unique_ptr<weld::Builder> m_xBuilder; | |||
160 | std::unique_ptr<weld::Container> m_xContainer; | |||
161 | std::unique_ptr<weld::Button> m_xButton; | |||
162 | /** StatusListener. Updates the button as the slot state changes */ | |||
163 | rtl::Reference<weld::WidgetStatusListener> m_xStatusListener; | |||
164 | OUString m_aCommand; | |||
165 | ||||
166 | DECL_LINK(CommandHdl, weld::Button&, void)static void LinkStubCommandHdl(void *, weld::Button&); void CommandHdl(weld::Button&); | |||
167 | ||||
168 | public: | |||
169 | ExtraButton(weld::Container* pContainer, const OUString* pCommand) | |||
170 | : m_xBuilder(Application::CreateBuilder(pContainer, "sfx/ui/extrabutton.ui")) | |||
171 | , m_xContainer(m_xBuilder->weld_container("ExtraButton")) | |||
172 | , m_xButton(m_xBuilder->weld_button("button")) | |||
173 | { | |||
174 | if (pCommand) | |||
175 | { | |||
176 | m_aCommand = *pCommand; | |||
177 | m_xButton->connect_clicked(LINK(this, ExtraButton, CommandHdl)::tools::detail::makeLink( ::tools::detail::castTo<ExtraButton *>(this), &ExtraButton::LinkStubCommandHdl)); | |||
178 | m_xStatusListener.set(new weld::WidgetStatusListener(m_xButton.get(), m_aCommand)); | |||
179 | m_xStatusListener->startListening(); | |||
180 | } | |||
181 | } | |||
182 | ||||
183 | ~ExtraButton() | |||
184 | { | |||
185 | if (m_xStatusListener.is()) | |||
186 | m_xStatusListener->dispose(); | |||
187 | } | |||
188 | ||||
189 | weld::Button& get_widget() { return *m_xButton; } | |||
190 | }; | |||
191 | ||||
192 | IMPL_LINK_NOARG(ExtraButton, CommandHdl, weld::Button&, void)void ExtraButton::LinkStubCommandHdl(void * instance, weld::Button & data) { return static_cast<ExtraButton *>(instance )->CommandHdl(data); } void ExtraButton::CommandHdl(__attribute__ ((unused)) weld::Button&) | |||
193 | { | |||
194 | comphelper::dispatchCommand(m_aCommand, css::uno::Sequence<css::beans::PropertyValue>()); | |||
195 | } | |||
196 | ||||
197 | SfxInfoBarWindow::SfxInfoBarWindow(vcl::Window* pParent, const OUString& sId, | |||
198 | const OUString& sPrimaryMessage, | |||
199 | const OUString& sSecondaryMessage, InfobarType ibType, | |||
200 | bool bShowCloseButton) | |||
201 | : InterimItemWindow(pParent, "sfx/ui/infobar.ui", "InfoBar") | |||
202 | , m_sId(sId) | |||
203 | , m_eType(ibType) | |||
204 | , m_bLayingOut(false) | |||
205 | , m_xImage(m_xBuilder->weld_image("image")) | |||
206 | , m_xPrimaryMessage(m_xBuilder->weld_label("primary")) | |||
207 | , m_xSecondaryMessage(m_xBuilder->weld_text_view("secondary")) | |||
208 | , m_xButtonBox(m_xBuilder->weld_container("buttonbox")) | |||
209 | , m_xCloseBtn(m_xBuilder->weld_toolbar("closebar")) | |||
210 | , m_aActionBtns() | |||
211 | { | |||
212 | SetStyle(GetStyle() | WB_DIALOGCONTROL); | |||
213 | ||||
214 | InitControlBase(m_xCloseBtn.get()); | |||
215 | ||||
216 | m_xImage->set_from_icon_name(GetInfoBarIconName(ibType)); | |||
217 | m_xSecondaryMessage->set_margin_top(m_xImage->get_preferred_size().Height() / 4); | |||
218 | ||||
219 | if (!sPrimaryMessage.isEmpty()) | |||
220 | { | |||
221 | m_xPrimaryMessage->set_label(sPrimaryMessage); | |||
222 | m_xPrimaryMessage->show(); | |||
223 | } | |||
224 | ||||
225 | m_xSecondaryMessage->set_text(sSecondaryMessage); | |||
226 | m_aOrigMessageSize = m_xSecondaryMessage->get_preferred_size(); | |||
227 | m_aMessageSize = m_aOrigMessageSize; | |||
228 | m_xSecondaryMessage->connect_size_allocate(LINK(this, SfxInfoBarWindow, SizeAllocHdl)::tools::detail::makeLink( ::tools::detail::castTo<SfxInfoBarWindow *>(this), &SfxInfoBarWindow::LinkStubSizeAllocHdl)); | |||
229 | ||||
230 | if (bShowCloseButton) | |||
231 | { | |||
232 | m_xCloseBtn->connect_clicked(LINK(this, SfxInfoBarWindow, CloseHandler)::tools::detail::makeLink( ::tools::detail::castTo<SfxInfoBarWindow *>(this), &SfxInfoBarWindow::LinkStubCloseHandler)); | |||
233 | m_xCloseBtn->show(); | |||
234 | } | |||
235 | ||||
236 | EnableChildTransparentMode(); | |||
237 | ||||
238 | SetForeAndBackgroundColors(m_eType); | |||
239 | ||||
240 | auto nWidth = pParent->GetSizePixel().getWidth(); | |||
241 | auto nHeight = get_preferred_size().Height(); | |||
242 | SetSizePixel(Size(nWidth, nHeight + 2)); | |||
243 | ||||
244 | Resize(); | |||
245 | } | |||
246 | ||||
247 | IMPL_LINK(SfxInfoBarWindow, SizeAllocHdl, const Size&, rSize, void)void SfxInfoBarWindow::LinkStubSizeAllocHdl(void * instance, const Size& data) { return static_cast<SfxInfoBarWindow *> (instance)->SizeAllocHdl(data); } void SfxInfoBarWindow::SizeAllocHdl (const Size& rSize) | |||
248 | { | |||
249 | if (m_aMessageSize != rSize) | |||
250 | { | |||
251 | m_aMessageSize = rSize; | |||
252 | static_cast<SfxInfoBarContainerWindow*>(GetParent())->TriggerUpdateLayout(); | |||
253 | } | |||
254 | } | |||
255 | ||||
256 | Size SfxInfoBarWindow::DoLayout() | |||
257 | { | |||
258 | Size aGivenSize(GetSizePixel()); | |||
259 | ||||
260 | // disconnect SizeAllocHdl because we don't care about the size change | |||
261 | // during layout | |||
262 | m_xSecondaryMessage->connect_size_allocate(Link<const Size&, void>()); | |||
263 | ||||
264 | // blow away size cache in case m_aMessageSize.Width() is already the width request | |||
265 | // and we would get the cached preferred size instead of the recalc we want to force | |||
266 | m_xSecondaryMessage->set_size_request(-1, -1); | |||
267 | // make the width we were detected as set to by SizeAllocHdl as our desired width | |||
268 | m_xSecondaryMessage->set_size_request(m_aMessageSize.Width(), -1); | |||
269 | // get our preferred size with that message width | |||
270 | Size aSizeForWidth(aGivenSize.Width(), m_xContainer->get_preferred_size().Height()); | |||
271 | // restore the message preferred size so we can freely resize, and get a new | |||
272 | // m_aMessageSize and repeat the process if we do | |||
273 | m_xSecondaryMessage->set_size_request(m_aOrigMessageSize.Width(), -1); | |||
274 | ||||
275 | // connect SizeAllocHdl so changes outside of this layout will trigger a new layout | |||
276 | m_xSecondaryMessage->connect_size_allocate(LINK(this, SfxInfoBarWindow, SizeAllocHdl)::tools::detail::makeLink( ::tools::detail::castTo<SfxInfoBarWindow *>(this), &SfxInfoBarWindow::LinkStubSizeAllocHdl)); | |||
277 | ||||
278 | return aSizeForWidth; | |||
279 | } | |||
280 | ||||
281 | void SfxInfoBarWindow::Layout() | |||
282 | { | |||
283 | if (m_bLayingOut) | |||
284 | return; | |||
285 | m_bLayingOut = true; | |||
286 | ||||
287 | InterimItemWindow::Layout(); | |||
288 | ||||
289 | m_bLayingOut = false; | |||
290 | } | |||
291 | ||||
292 | weld::Button& SfxInfoBarWindow::addButton(const OUString* pCommand) | |||
293 | { | |||
294 | m_aActionBtns.emplace_back(std::make_unique<ExtraButton>(m_xButtonBox.get(), pCommand)); | |||
295 | ||||
296 | return m_aActionBtns.back()->get_widget(); | |||
297 | } | |||
298 | ||||
299 | SfxInfoBarWindow::~SfxInfoBarWindow() { disposeOnce(); } | |||
300 | ||||
301 | void SfxInfoBarWindow::SetForeAndBackgroundColors(InfobarType eType) | |||
302 | { | |||
303 | basegfx::BColor aMessageColor; | |||
304 | GetInfoBarColors(eType, m_aBackgroundColor, m_aForegroundColor, aMessageColor); | |||
305 | ||||
306 | m_xPrimaryMessage->set_font_color(Color(aMessageColor)); | |||
307 | m_xSecondaryMessage->set_font_color(Color(aMessageColor)); | |||
308 | ||||
309 | Color aBackgroundColor(m_aBackgroundColor); | |||
310 | m_xPrimaryMessage->set_background(aBackgroundColor); | |||
311 | m_xSecondaryMessage->set_background(aBackgroundColor); | |||
312 | m_xContainer->set_background(aBackgroundColor); | |||
313 | if (m_xCloseBtn->get_visible()) | |||
314 | { | |||
315 | m_xCloseBtn->set_background(aBackgroundColor); | |||
316 | SetCloseButtonImage(); | |||
317 | } | |||
318 | } | |||
319 | ||||
320 | void SfxInfoBarWindow::dispose() | |||
321 | { | |||
322 | for (auto& rxBtn : m_aActionBtns) | |||
323 | rxBtn.reset(); | |||
324 | ||||
325 | m_xImage.reset(); | |||
326 | m_xPrimaryMessage.reset(); | |||
327 | m_xSecondaryMessage.reset(); | |||
328 | m_xButtonBox.reset(); | |||
329 | m_xCloseBtn.reset(); | |||
330 | m_aActionBtns.clear(); | |||
331 | InterimItemWindow::dispose(); | |||
332 | } | |||
333 | ||||
334 | void SfxInfoBarWindow::Update(const OUString& sPrimaryMessage, const OUString& sSecondaryMessage, | |||
335 | InfobarType eType) | |||
336 | { | |||
337 | if (m_eType != eType) | |||
338 | { | |||
339 | m_eType = eType; | |||
340 | SetForeAndBackgroundColors(m_eType); | |||
341 | m_xImage->set_from_icon_name(GetInfoBarIconName(eType)); | |||
342 | } | |||
343 | ||||
344 | m_xPrimaryMessage->set_label(sPrimaryMessage); | |||
345 | m_xSecondaryMessage->set_text(sSecondaryMessage); | |||
346 | Resize(); | |||
347 | Invalidate(); | |||
348 | } | |||
349 | ||||
350 | IMPL_LINK_NOARG(SfxInfoBarWindow, CloseHandler, const OString&, void)void SfxInfoBarWindow::LinkStubCloseHandler(void * instance, const OString& data) { return static_cast<SfxInfoBarWindow * >(instance)->CloseHandler(data); } void SfxInfoBarWindow ::CloseHandler(__attribute__ ((unused)) const OString&) | |||
351 | { | |||
352 | static_cast<SfxInfoBarContainerWindow*>(GetParent())->removeInfoBar(this); | |||
353 | } | |||
354 | ||||
355 | SfxInfoBarContainerWindow::SfxInfoBarContainerWindow(SfxInfoBarContainerChild* pChildWin) | |||
356 | : Window(pChildWin->GetParent(), WB_DIALOGCONTROL) | |||
357 | , m_pChildWin(pChildWin) | |||
358 | , m_pInfoBars() | |||
359 | , m_bResizing(false) | |||
360 | { | |||
361 | m_aLayoutIdle.SetPriority(TaskPriority::HIGHEST); | |||
362 | m_aLayoutIdle.SetInvokeHandler(LINK(this, SfxInfoBarContainerWindow, DoUpdateLayout)::tools::detail::makeLink( ::tools::detail::castTo<SfxInfoBarContainerWindow *>(this), &SfxInfoBarContainerWindow::LinkStubDoUpdateLayout )); | |||
363 | m_aLayoutIdle.SetDebugName("SfxInfoBarContainerWindow m_aLayoutIdle"); | |||
364 | } | |||
365 | ||||
366 | IMPL_LINK_NOARG(SfxInfoBarContainerWindow, DoUpdateLayout, Timer*, void)void SfxInfoBarContainerWindow::LinkStubDoUpdateLayout(void * instance, Timer* data) { return static_cast<SfxInfoBarContainerWindow *>(instance)->DoUpdateLayout(data); } void SfxInfoBarContainerWindow ::DoUpdateLayout(__attribute__ ((unused)) Timer*) { m_pChildWin->Update(); } | |||
367 | ||||
368 | SfxInfoBarContainerWindow::~SfxInfoBarContainerWindow() { disposeOnce(); } | |||
369 | ||||
370 | void SfxInfoBarContainerWindow::dispose() | |||
371 | { | |||
372 | for (auto& infoBar : m_pInfoBars) | |||
373 | infoBar.disposeAndClear(); | |||
374 | m_pInfoBars.clear(); | |||
375 | Window::dispose(); | |||
376 | } | |||
377 | ||||
378 | VclPtr<SfxInfoBarWindow> SfxInfoBarContainerWindow::appendInfoBar(const OUString& sId, | |||
379 | const OUString& sPrimaryMessage, | |||
380 | const OUString& sSecondaryMessage, | |||
381 | InfobarType ibType, | |||
382 | bool bShowCloseButton) | |||
383 | { | |||
384 | if (!isInfobarEnabled(sId)) | |||
385 | return nullptr; | |||
386 | ||||
387 | auto pInfoBar = VclPtr<SfxInfoBarWindow>::Create(this, sId, sPrimaryMessage, sSecondaryMessage, | |||
388 | ibType, bShowCloseButton); | |||
389 | ||||
390 | basegfx::BColor aBackgroundColor; | |||
391 | basegfx::BColor aForegroundColor; | |||
392 | basegfx::BColor aMessageColor; | |||
393 | GetInfoBarColors(ibType, aBackgroundColor, aForegroundColor, aMessageColor); | |||
394 | pInfoBar->m_aBackgroundColor = aBackgroundColor; | |||
395 | pInfoBar->m_aForegroundColor = aForegroundColor; | |||
396 | m_pInfoBars.push_back(pInfoBar); | |||
397 | ||||
398 | Resize(); | |||
399 | return pInfoBar; | |||
400 | } | |||
401 | ||||
402 | VclPtr<SfxInfoBarWindow> SfxInfoBarContainerWindow::getInfoBar(const OUString& sId) | |||
403 | { | |||
404 | for (auto const& infoBar : m_pInfoBars) | |||
405 | { | |||
406 | if (infoBar->getId() == sId) | |||
407 | return infoBar; | |||
408 | } | |||
409 | return nullptr; | |||
410 | } | |||
411 | ||||
412 | bool SfxInfoBarContainerWindow::hasInfoBarWithID(const OUString& sId) | |||
413 | { | |||
414 | return (getInfoBar(sId) != nullptr); | |||
415 | } | |||
416 | ||||
417 | void SfxInfoBarContainerWindow::removeInfoBar(VclPtr<SfxInfoBarWindow> const& pInfoBar) | |||
418 | { | |||
419 | // Remove | |||
420 | auto it = std::find(m_pInfoBars.begin(), m_pInfoBars.end(), pInfoBar); | |||
421 | if (it != m_pInfoBars.end()) | |||
422 | { | |||
423 | it->disposeAndClear(); | |||
424 | m_pInfoBars.erase(it); | |||
425 | } | |||
426 | ||||
427 | m_pChildWin->Update(); | |||
428 | } | |||
429 | ||||
430 | bool SfxInfoBarContainerWindow::isInfobarEnabled(const OUString& sId) | |||
431 | { | |||
432 | if (sId == "readonly") | |||
433 | return officecfg::Office::UI::Infobar::Enabled::Readonly::get(); | |||
434 | if (sId == "signature") | |||
435 | return officecfg::Office::UI::Infobar::Enabled::Signature::get(); | |||
436 | if (sId == "donate") | |||
437 | return officecfg::Office::UI::Infobar::Enabled::Donate::get(); | |||
438 | if (sId == "getinvolved") | |||
439 | return officecfg::Office::UI::Infobar::Enabled::GetInvolved::get(); | |||
440 | if (sId == "hyphenationmissing") | |||
441 | return officecfg::Office::UI::Infobar::Enabled::HyphenationMissing::get(); | |||
442 | if (sId == "whatsnew") | |||
443 | return officecfg::Office::UI::Infobar::Enabled::WhatsNew::get(); | |||
444 | ||||
445 | return true; | |||
446 | } | |||
447 | ||||
448 | // This triggers the SfxFrame to re-layout its childwindows | |||
449 | void SfxInfoBarContainerWindow::TriggerUpdateLayout() { m_aLayoutIdle.Start(); } | |||
450 | ||||
451 | void SfxInfoBarContainerWindow::Resize() | |||
452 | { | |||
453 | if (m_bResizing) | |||
454 | return; | |||
455 | m_bResizing = true; | |||
456 | const Size& rOrigSize = GetSizePixel(); | |||
457 | auto nOrigWidth = rOrigSize.getWidth(); | |||
458 | auto nOrigHeight = rOrigSize.getHeight(); | |||
459 | ||||
460 | long nHeight = 0; | |||
461 | ||||
462 | for (auto& rxInfoBar : m_pInfoBars) | |||
463 | { | |||
464 | Size aOrigSize = rxInfoBar->GetSizePixel(); | |||
465 | Size aSize(nOrigWidth, aOrigSize.Height()); | |||
466 | ||||
467 | Point aPos(0, nHeight); | |||
468 | // stage 1: provisionally size the infobar, | |||
469 | rxInfoBar->SetPosSizePixel(aPos, aSize); | |||
470 | ||||
471 | // stage 2: perhaps allow height to stretch to fit | |||
472 | // the stage 1 width | |||
473 | aSize = rxInfoBar->DoLayout(); | |||
474 | rxInfoBar->SetPosSizePixel(aPos, aSize); | |||
475 | rxInfoBar->Show(); | |||
476 | ||||
477 | // Stretch to fit the infobar(s) | |||
478 | nHeight += aSize.getHeight(); | |||
479 | } | |||
480 | ||||
481 | if (nOrigHeight != nHeight) | |||
482 | { | |||
483 | SetSizePixel(Size(nOrigWidth, nHeight)); | |||
484 | TriggerUpdateLayout(); | |||
485 | } | |||
486 | ||||
487 | m_bResizing = false; | |||
488 | } | |||
489 | ||||
490 | SFX_IMPL_POS_CHILDWINDOW_WITHID(SfxInfoBarContainerChild, SID_INFOBAR, SFX_OBJECTBAR_OBJECT)std::unique_ptr<SfxChildWindow> SfxInfoBarContainerChild ::CreateImpl( vcl::Window *pParent, sal_uInt16 nId, SfxBindings *pBindings, SfxChildWinInfo* pInfo ) { return std::make_unique <SfxInfoBarContainerChild>(pParent, nId, pBindings, pInfo ); } void SfxInfoBarContainerChild::RegisterChildWindow (bool bVis, SfxModule *pMod, SfxChildWindowFlags nFlags) { auto pFact = std::make_unique<SfxChildWinFactory>( SfxInfoBarContainerChild ::CreateImpl, (10000 + 365), 1 ); pFact->aInfo.nFlags |= nFlags ; pFact->aInfo.bVisible = bVis; SfxChildWindow::RegisterChildWindow (pMod, std::move(pFact)); } sal_uInt16 SfxInfoBarContainerChild ::GetChildWindowId () { return (10000 + 365); }; | |||
| ||||
491 | ||||
492 | SfxInfoBarContainerChild::SfxInfoBarContainerChild(vcl::Window* _pParent, sal_uInt16 nId, | |||
493 | SfxBindings* pBindings, SfxChildWinInfo*) | |||
494 | : SfxChildWindow(_pParent, nId) | |||
495 | , m_pBindings(pBindings) | |||
496 | { | |||
497 | SetWindow(VclPtr<SfxInfoBarContainerWindow>::Create(this)); | |||
498 | GetWindow()->SetPosSizePixel(Point(0, 0), Size(_pParent->GetSizePixel().getWidth(), 0)); | |||
499 | GetWindow()->Show(); | |||
500 | ||||
501 | SetAlignment(SfxChildAlignment::LOWESTTOP); | |||
502 | } | |||
503 | ||||
504 | SfxInfoBarContainerChild::~SfxInfoBarContainerChild() {} | |||
505 | ||||
506 | SfxChildWinInfo SfxInfoBarContainerChild::GetInfo() const | |||
507 | { | |||
508 | SfxChildWinInfo aInfo = SfxChildWindow::GetInfo(); | |||
509 | return aInfo; | |||
510 | } | |||
511 | ||||
512 | void SfxInfoBarContainerChild::Update() | |||
513 | { | |||
514 | // Layout to current width, this may change the height | |||
515 | if (vcl::Window* pChild = GetWindow()) | |||
516 | { | |||
517 | Size aSize(pChild->GetSizePixel()); | |||
518 | pChild->Resize(); | |||
519 | if (aSize == pChild->GetSizePixel()) | |||
520 | return; | |||
521 | } | |||
522 | ||||
523 | // Refresh the frame to take the infobars container height change into account | |||
524 | const sal_uInt16 nId = GetChildWindowId(); | |||
525 | SfxViewFrame* pVFrame = m_pBindings->GetDispatcher()->GetFrame(); | |||
526 | pVFrame->ShowChildWindow(nId); | |||
527 | ||||
528 | // Give the focus to the document view | |||
529 | pVFrame->GetWindow().GrabFocusToDocument(); | |||
530 | } | |||
531 | ||||
532 | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |
1 | // unique_ptr implementation -*- C++ -*- |
2 | |
3 | // Copyright (C) 2008-2020 Free Software Foundation, Inc. |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free |
6 | // software; you can redistribute it and/or modify it under the |
7 | // terms of the GNU General Public License as published by the |
8 | // Free Software Foundation; either version 3, or (at your option) |
9 | // any later version. |
10 | |
11 | // This library is distributed in the hope that it will be useful, |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | // GNU General Public License for more details. |
15 | |
16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version |
18 | // 3.1, as published by the Free Software Foundation. |
19 | |
20 | // You should have received a copy of the GNU General Public License and |
21 | // a copy of the GCC Runtime Library Exception along with this program; |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
23 | // <http://www.gnu.org/licenses/>. |
24 | |
25 | /** @file bits/unique_ptr.h |
26 | * This is an internal header file, included by other library headers. |
27 | * Do not attempt to use it directly. @headername{memory} |
28 | */ |
29 | |
30 | #ifndef _UNIQUE_PTR_H1 |
31 | #define _UNIQUE_PTR_H1 1 |
32 | |
33 | #include <bits/c++config.h> |
34 | #include <debug/assertions.h> |
35 | #include <type_traits> |
36 | #include <utility> |
37 | #include <tuple> |
38 | #include <bits/stl_function.h> |
39 | #include <bits/functional_hash.h> |
40 | #if __cplusplus201703L > 201703L |
41 | # include <compare> |
42 | # include <ostream> |
43 | #endif |
44 | |
45 | namespace std _GLIBCXX_VISIBILITY(default)__attribute__ ((__visibility__ ("default"))) |
46 | { |
47 | _GLIBCXX_BEGIN_NAMESPACE_VERSION |
48 | |
49 | /** |
50 | * @addtogroup pointer_abstractions |
51 | * @{ |
52 | */ |
53 | |
54 | #if _GLIBCXX_USE_DEPRECATED1 |
55 | #pragma GCC diagnostic push |
56 | #pragma GCC diagnostic ignored "-Wdeprecated-declarations" |
57 | template<typename> class auto_ptr; |
58 | #pragma GCC diagnostic pop |
59 | #endif |
60 | |
61 | /// Primary template of default_delete, used by unique_ptr for single objects |
62 | template<typename _Tp> |
63 | struct default_delete |
64 | { |
65 | /// Default constructor |
66 | constexpr default_delete() noexcept = default; |
67 | |
68 | /** @brief Converting constructor. |
69 | * |
70 | * Allows conversion from a deleter for objects of another type, `_Up`, |
71 | * only if `_Up*` is convertible to `_Tp*`. |
72 | */ |
73 | template<typename _Up, |
74 | typename = _Require<is_convertible<_Up*, _Tp*>>> |
75 | default_delete(const default_delete<_Up>&) noexcept { } |
76 | |
77 | /// Calls `delete __ptr` |
78 | void |
79 | operator()(_Tp* __ptr) const |
80 | { |
81 | static_assert(!is_void<_Tp>::value, |
82 | "can't delete pointer to incomplete type"); |
83 | static_assert(sizeof(_Tp)>0, |
84 | "can't delete pointer to incomplete type"); |
85 | delete __ptr; |
86 | } |
87 | }; |
88 | |
89 | // _GLIBCXX_RESOLVE_LIB_DEFECTS |
90 | // DR 740 - omit specialization for array objects with a compile time length |
91 | |
92 | /// Specialization of default_delete for arrays, used by `unique_ptr<T[]>` |
93 | template<typename _Tp> |
94 | struct default_delete<_Tp[]> |
95 | { |
96 | public: |
97 | /// Default constructor |
98 | constexpr default_delete() noexcept = default; |
99 | |
100 | /** @brief Converting constructor. |
101 | * |
102 | * Allows conversion from a deleter for arrays of another type, such as |
103 | * a const-qualified version of `_Tp`. |
104 | * |
105 | * Conversions from types derived from `_Tp` are not allowed because |
106 | * it is undefined to `delete[]` an array of derived types through a |
107 | * pointer to the base type. |
108 | */ |
109 | template<typename _Up, |
110 | typename = _Require<is_convertible<_Up(*)[], _Tp(*)[]>>> |
111 | default_delete(const default_delete<_Up[]>&) noexcept { } |
112 | |
113 | /// Calls `delete[] __ptr` |
114 | template<typename _Up> |
115 | typename enable_if<is_convertible<_Up(*)[], _Tp(*)[]>::value>::type |
116 | operator()(_Up* __ptr) const |
117 | { |
118 | static_assert(sizeof(_Tp)>0, |
119 | "can't delete pointer to incomplete type"); |
120 | delete [] __ptr; |
121 | } |
122 | }; |
123 | |
124 | /// @cond undocumented |
125 | |
126 | // Manages the pointer and deleter of a unique_ptr |
127 | template <typename _Tp, typename _Dp> |
128 | class __uniq_ptr_impl |
129 | { |
130 | template <typename _Up, typename _Ep, typename = void> |
131 | struct _Ptr |
132 | { |
133 | using type = _Up*; |
134 | }; |
135 | |
136 | template <typename _Up, typename _Ep> |
137 | struct |
138 | _Ptr<_Up, _Ep, __void_t<typename remove_reference<_Ep>::type::pointer>> |
139 | { |
140 | using type = typename remove_reference<_Ep>::type::pointer; |
141 | }; |
142 | |
143 | public: |
144 | using _DeleterConstraint = enable_if< |
145 | __and_<__not_<is_pointer<_Dp>>, |
146 | is_default_constructible<_Dp>>::value>; |
147 | |
148 | using pointer = typename _Ptr<_Tp, _Dp>::type; |
149 | |
150 | static_assert( !is_rvalue_reference<_Dp>::value, |
151 | "unique_ptr's deleter type must be a function object type" |
152 | " or an lvalue reference type" ); |
153 | |
154 | __uniq_ptr_impl() = default; |
155 | __uniq_ptr_impl(pointer __p) : _M_t() { _M_ptr() = __p; } |
156 | |
157 | template<typename _Del> |
158 | __uniq_ptr_impl(pointer __p, _Del&& __d) |
159 | : _M_t(__p, std::forward<_Del>(__d)) { } |
160 | |
161 | __uniq_ptr_impl(__uniq_ptr_impl&& __u) noexcept |
162 | : _M_t(std::move(__u._M_t)) |
163 | { __u._M_ptr() = nullptr; } |
164 | |
165 | __uniq_ptr_impl& operator=(__uniq_ptr_impl&& __u) noexcept |
166 | { |
167 | reset(__u.release()); |
168 | _M_deleter() = std::forward<_Dp>(__u._M_deleter()); |
169 | return *this; |
170 | } |
171 | |
172 | pointer& _M_ptr() { return std::get<0>(_M_t); } |
173 | pointer _M_ptr() const { return std::get<0>(_M_t); } |
174 | _Dp& _M_deleter() { return std::get<1>(_M_t); } |
175 | const _Dp& _M_deleter() const { return std::get<1>(_M_t); } |
176 | |
177 | void reset(pointer __p) noexcept |
178 | { |
179 | const pointer __old_p = _M_ptr(); |
180 | _M_ptr() = __p; |
181 | if (__old_p) |
182 | _M_deleter()(__old_p); |
183 | } |
184 | |
185 | pointer release() noexcept |
186 | { |
187 | pointer __p = _M_ptr(); |
188 | _M_ptr() = nullptr; |
189 | return __p; |
190 | } |
191 | |
192 | void |
193 | swap(__uniq_ptr_impl& __rhs) noexcept |
194 | { |
195 | using std::swap; |
196 | swap(this->_M_ptr(), __rhs._M_ptr()); |
197 | swap(this->_M_deleter(), __rhs._M_deleter()); |
198 | } |
199 | |
200 | private: |
201 | tuple<pointer, _Dp> _M_t; |
202 | }; |
203 | |
204 | // Defines move construction + assignment as either defaulted or deleted. |
205 | template <typename _Tp, typename _Dp, |
206 | bool = is_move_constructible<_Dp>::value, |
207 | bool = is_move_assignable<_Dp>::value> |
208 | struct __uniq_ptr_data : __uniq_ptr_impl<_Tp, _Dp> |
209 | { |
210 | using __uniq_ptr_impl<_Tp, _Dp>::__uniq_ptr_impl; |
211 | __uniq_ptr_data(__uniq_ptr_data&&) = default; |
212 | __uniq_ptr_data& operator=(__uniq_ptr_data&&) = default; |
213 | }; |
214 | |
215 | template <typename _Tp, typename _Dp> |
216 | struct __uniq_ptr_data<_Tp, _Dp, true, false> : __uniq_ptr_impl<_Tp, _Dp> |
217 | { |
218 | using __uniq_ptr_impl<_Tp, _Dp>::__uniq_ptr_impl; |
219 | __uniq_ptr_data(__uniq_ptr_data&&) = default; |
220 | __uniq_ptr_data& operator=(__uniq_ptr_data&&) = delete; |
221 | }; |
222 | |
223 | template <typename _Tp, typename _Dp> |
224 | struct __uniq_ptr_data<_Tp, _Dp, false, true> : __uniq_ptr_impl<_Tp, _Dp> |
225 | { |
226 | using __uniq_ptr_impl<_Tp, _Dp>::__uniq_ptr_impl; |
227 | __uniq_ptr_data(__uniq_ptr_data&&) = delete; |
228 | __uniq_ptr_data& operator=(__uniq_ptr_data&&) = default; |
229 | }; |
230 | |
231 | template <typename _Tp, typename _Dp> |
232 | struct __uniq_ptr_data<_Tp, _Dp, false, false> : __uniq_ptr_impl<_Tp, _Dp> |
233 | { |
234 | using __uniq_ptr_impl<_Tp, _Dp>::__uniq_ptr_impl; |
235 | __uniq_ptr_data(__uniq_ptr_data&&) = delete; |
236 | __uniq_ptr_data& operator=(__uniq_ptr_data&&) = delete; |
237 | }; |
238 | /// @endcond |
239 | |
240 | /// 20.7.1.2 unique_ptr for single objects. |
241 | template <typename _Tp, typename _Dp = default_delete<_Tp>> |
242 | class unique_ptr |
243 | { |
244 | template <typename _Up> |
245 | using _DeleterConstraint = |
246 | typename __uniq_ptr_impl<_Tp, _Up>::_DeleterConstraint::type; |
247 | |
248 | __uniq_ptr_data<_Tp, _Dp> _M_t; |
249 | |
250 | public: |
251 | using pointer = typename __uniq_ptr_impl<_Tp, _Dp>::pointer; |
252 | using element_type = _Tp; |
253 | using deleter_type = _Dp; |
254 | |
255 | private: |
256 | // helper template for detecting a safe conversion from another |
257 | // unique_ptr |
258 | template<typename _Up, typename _Ep> |
259 | using __safe_conversion_up = __and_< |
260 | is_convertible<typename unique_ptr<_Up, _Ep>::pointer, pointer>, |
261 | __not_<is_array<_Up>> |
262 | >; |
263 | |
264 | public: |
265 | // Constructors. |
266 | |
267 | /// Default constructor, creates a unique_ptr that owns nothing. |
268 | template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>> |
269 | constexpr unique_ptr() noexcept |
270 | : _M_t() |
271 | { } |
272 | |
273 | /** Takes ownership of a pointer. |
274 | * |
275 | * @param __p A pointer to an object of @c element_type |
276 | * |
277 | * The deleter will be value-initialized. |
278 | */ |
279 | template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>> |
280 | explicit |
281 | unique_ptr(pointer __p) noexcept |
282 | : _M_t(__p) |
283 | { } |
284 | |
285 | /** Takes ownership of a pointer. |
286 | * |
287 | * @param __p A pointer to an object of @c element_type |
288 | * @param __d A reference to a deleter. |
289 | * |
290 | * The deleter will be initialized with @p __d |
291 | */ |
292 | template<typename _Del = deleter_type, |
293 | typename = _Require<is_copy_constructible<_Del>>> |
294 | unique_ptr(pointer __p, const deleter_type& __d) noexcept |
295 | : _M_t(__p, __d) { } |
296 | |
297 | /** Takes ownership of a pointer. |
298 | * |
299 | * @param __p A pointer to an object of @c element_type |
300 | * @param __d An rvalue reference to a (non-reference) deleter. |
301 | * |
302 | * The deleter will be initialized with @p std::move(__d) |
303 | */ |
304 | template<typename _Del = deleter_type, |
305 | typename = _Require<is_move_constructible<_Del>>> |
306 | unique_ptr(pointer __p, |
307 | __enable_if_t<!is_lvalue_reference<_Del>::value, |
308 | _Del&&> __d) noexcept |
309 | : _M_t(__p, std::move(__d)) |
310 | { } |
311 | |
312 | template<typename _Del = deleter_type, |
313 | typename _DelUnref = typename remove_reference<_Del>::type> |
314 | unique_ptr(pointer, |
315 | __enable_if_t<is_lvalue_reference<_Del>::value, |
316 | _DelUnref&&>) = delete; |
317 | |
318 | /// Creates a unique_ptr that owns nothing. |
319 | template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>> |
320 | constexpr unique_ptr(nullptr_t) noexcept |
321 | : _M_t() |
322 | { } |
323 | |
324 | // Move constructors. |
325 | |
326 | /// Move constructor. |
327 | unique_ptr(unique_ptr&&) = default; |
328 | |
329 | /** @brief Converting constructor from another type |
330 | * |
331 | * Requires that the pointer owned by @p __u is convertible to the |
332 | * type of pointer owned by this object, @p __u does not own an array, |
333 | * and @p __u has a compatible deleter type. |
334 | */ |
335 | template<typename _Up, typename _Ep, typename = _Require< |
336 | __safe_conversion_up<_Up, _Ep>, |
337 | typename conditional<is_reference<_Dp>::value, |
338 | is_same<_Ep, _Dp>, |
339 | is_convertible<_Ep, _Dp>>::type>> |
340 | unique_ptr(unique_ptr<_Up, _Ep>&& __u) noexcept |
341 | : _M_t(__u.release(), std::forward<_Ep>(__u.get_deleter())) |
342 | { } |
343 | |
344 | #if _GLIBCXX_USE_DEPRECATED1 |
345 | #pragma GCC diagnostic push |
346 | #pragma GCC diagnostic ignored "-Wdeprecated-declarations" |
347 | /// Converting constructor from @c auto_ptr |
348 | template<typename _Up, typename = _Require< |
349 | is_convertible<_Up*, _Tp*>, is_same<_Dp, default_delete<_Tp>>>> |
350 | unique_ptr(auto_ptr<_Up>&& __u) noexcept; |
351 | #pragma GCC diagnostic pop |
352 | #endif |
353 | |
354 | /// Destructor, invokes the deleter if the stored pointer is not null. |
355 | ~unique_ptr() noexcept |
356 | { |
357 | static_assert(__is_invocable<deleter_type&, pointer>::value, |
358 | "unique_ptr's deleter must be invocable with a pointer"); |
359 | auto& __ptr = _M_t._M_ptr(); |
360 | if (__ptr != nullptr) |
361 | get_deleter()(std::move(__ptr)); |
362 | __ptr = pointer(); |
363 | } |
364 | |
365 | // Assignment. |
366 | |
367 | /** @brief Move assignment operator. |
368 | * |
369 | * Invokes the deleter if this object owns a pointer. |
370 | */ |
371 | unique_ptr& operator=(unique_ptr&&) = default; |
372 | |
373 | /** @brief Assignment from another type. |
374 | * |
375 | * @param __u The object to transfer ownership from, which owns a |
376 | * convertible pointer to a non-array object. |
377 | * |
378 | * Invokes the deleter if this object owns a pointer. |
379 | */ |
380 | template<typename _Up, typename _Ep> |
381 | typename enable_if< __and_< |
382 | __safe_conversion_up<_Up, _Ep>, |
383 | is_assignable<deleter_type&, _Ep&&> |
384 | >::value, |
385 | unique_ptr&>::type |
386 | operator=(unique_ptr<_Up, _Ep>&& __u) noexcept |
387 | { |
388 | reset(__u.release()); |
389 | get_deleter() = std::forward<_Ep>(__u.get_deleter()); |
390 | return *this; |
391 | } |
392 | |
393 | /// Reset the %unique_ptr to empty, invoking the deleter if necessary. |
394 | unique_ptr& |
395 | operator=(nullptr_t) noexcept |
396 | { |
397 | reset(); |
398 | return *this; |
399 | } |
400 | |
401 | // Observers. |
402 | |
403 | /// Dereference the stored pointer. |
404 | typename add_lvalue_reference<element_type>::type |
405 | operator*() const |
406 | { |
407 | __glibcxx_assert(get() != pointer()); |
408 | return *get(); |
409 | } |
410 | |
411 | /// Return the stored pointer. |
412 | pointer |
413 | operator->() const noexcept |
414 | { |
415 | _GLIBCXX_DEBUG_PEDASSERT(get() != pointer()); |
416 | return get(); |
417 | } |
418 | |
419 | /// Return the stored pointer. |
420 | pointer |
421 | get() const noexcept |
422 | { return _M_t._M_ptr(); } |
423 | |
424 | /// Return a reference to the stored deleter. |
425 | deleter_type& |
426 | get_deleter() noexcept |
427 | { return _M_t._M_deleter(); } |
428 | |
429 | /// Return a reference to the stored deleter. |
430 | const deleter_type& |
431 | get_deleter() const noexcept |
432 | { return _M_t._M_deleter(); } |
433 | |
434 | /// Return @c true if the stored pointer is not null. |
435 | explicit operator bool() const noexcept |
436 | { return get() == pointer() ? false : true; } |
437 | |
438 | // Modifiers. |
439 | |
440 | /// Release ownership of any stored pointer. |
441 | pointer |
442 | release() noexcept |
443 | { return _M_t.release(); } |
444 | |
445 | /** @brief Replace the stored pointer. |
446 | * |
447 | * @param __p The new pointer to store. |
448 | * |
449 | * The deleter will be invoked if a pointer is already owned. |
450 | */ |
451 | void |
452 | reset(pointer __p = pointer()) noexcept |
453 | { |
454 | static_assert(__is_invocable<deleter_type&, pointer>::value, |
455 | "unique_ptr's deleter must be invocable with a pointer"); |
456 | _M_t.reset(std::move(__p)); |
457 | } |
458 | |
459 | /// Exchange the pointer and deleter with another object. |
460 | void |
461 | swap(unique_ptr& __u) noexcept |
462 | { |
463 | static_assert(__is_swappable<_Dp>::value, "deleter must be swappable"); |
464 | _M_t.swap(__u._M_t); |
465 | } |
466 | |
467 | // Disable copy from lvalue. |
468 | unique_ptr(const unique_ptr&) = delete; |
469 | unique_ptr& operator=(const unique_ptr&) = delete; |
470 | }; |
471 | |
472 | /// 20.7.1.3 unique_ptr for array objects with a runtime length |
473 | // [unique.ptr.runtime] |
474 | // _GLIBCXX_RESOLVE_LIB_DEFECTS |
475 | // DR 740 - omit specialization for array objects with a compile time length |
476 | template<typename _Tp, typename _Dp> |
477 | class unique_ptr<_Tp[], _Dp> |
478 | { |
479 | template <typename _Up> |
480 | using _DeleterConstraint = |
481 | typename __uniq_ptr_impl<_Tp, _Up>::_DeleterConstraint::type; |
482 | |
483 | __uniq_ptr_data<_Tp, _Dp> _M_t; |
484 | |
485 | template<typename _Up> |
486 | using __remove_cv = typename remove_cv<_Up>::type; |
487 | |
488 | // like is_base_of<_Tp, _Up> but false if unqualified types are the same |
489 | template<typename _Up> |
490 | using __is_derived_Tp |
491 | = __and_< is_base_of<_Tp, _Up>, |
492 | __not_<is_same<__remove_cv<_Tp>, __remove_cv<_Up>>> >; |
493 | |
494 | public: |
495 | using pointer = typename __uniq_ptr_impl<_Tp, _Dp>::pointer; |
496 | using element_type = _Tp; |
497 | using deleter_type = _Dp; |
498 | |
499 | // helper template for detecting a safe conversion from another |
500 | // unique_ptr |
501 | template<typename _Up, typename _Ep, |
502 | typename _UPtr = unique_ptr<_Up, _Ep>, |
503 | typename _UP_pointer = typename _UPtr::pointer, |
504 | typename _UP_element_type = typename _UPtr::element_type> |
505 | using __safe_conversion_up = __and_< |
506 | is_array<_Up>, |
507 | is_same<pointer, element_type*>, |
508 | is_same<_UP_pointer, _UP_element_type*>, |
509 | is_convertible<_UP_element_type(*)[], element_type(*)[]> |
510 | >; |
511 | |
512 | // helper template for detecting a safe conversion from a raw pointer |
513 | template<typename _Up> |
514 | using __safe_conversion_raw = __and_< |
515 | __or_<__or_<is_same<_Up, pointer>, |
516 | is_same<_Up, nullptr_t>>, |
517 | __and_<is_pointer<_Up>, |
518 | is_same<pointer, element_type*>, |
519 | is_convertible< |
520 | typename remove_pointer<_Up>::type(*)[], |
521 | element_type(*)[]> |
522 | > |
523 | > |
524 | >; |
525 | |
526 | // Constructors. |
527 | |
528 | /// Default constructor, creates a unique_ptr that owns nothing. |
529 | template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>> |
530 | constexpr unique_ptr() noexcept |
531 | : _M_t() |
532 | { } |
533 | |
534 | /** Takes ownership of a pointer. |
535 | * |
536 | * @param __p A pointer to an array of a type safely convertible |
537 | * to an array of @c element_type |
538 | * |
539 | * The deleter will be value-initialized. |
540 | */ |
541 | template<typename _Up, |
542 | typename _Vp = _Dp, |
543 | typename = _DeleterConstraint<_Vp>, |
544 | typename = typename enable_if< |
545 | __safe_conversion_raw<_Up>::value, bool>::type> |
546 | explicit |
547 | unique_ptr(_Up __p) noexcept |
548 | : _M_t(__p) |
549 | { } |
550 | |
551 | /** Takes ownership of a pointer. |
552 | * |
553 | * @param __p A pointer to an array of a type safely convertible |
554 | * to an array of @c element_type |
555 | * @param __d A reference to a deleter. |
556 | * |
557 | * The deleter will be initialized with @p __d |
558 | */ |
559 | template<typename _Up, typename _Del = deleter_type, |
560 | typename = _Require<__safe_conversion_raw<_Up>, |
561 | is_copy_constructible<_Del>>> |
562 | unique_ptr(_Up __p, const deleter_type& __d) noexcept |
563 | : _M_t(__p, __d) { } |
564 | |
565 | /** Takes ownership of a pointer. |
566 | * |
567 | * @param __p A pointer to an array of a type safely convertible |
568 | * to an array of @c element_type |
569 | * @param __d A reference to a deleter. |
570 | * |
571 | * The deleter will be initialized with @p std::move(__d) |
572 | */ |
573 | template<typename _Up, typename _Del = deleter_type, |
574 | typename = _Require<__safe_conversion_raw<_Up>, |
575 | is_move_constructible<_Del>>> |
576 | unique_ptr(_Up __p, |
577 | __enable_if_t<!is_lvalue_reference<_Del>::value, |
578 | _Del&&> __d) noexcept |
579 | : _M_t(std::move(__p), std::move(__d)) |
580 | { } |
581 | |
582 | template<typename _Up, typename _Del = deleter_type, |
583 | typename _DelUnref = typename remove_reference<_Del>::type, |
584 | typename = _Require<__safe_conversion_raw<_Up>>> |
585 | unique_ptr(_Up, |
586 | __enable_if_t<is_lvalue_reference<_Del>::value, |
587 | _DelUnref&&>) = delete; |
588 | |
589 | /// Move constructor. |
590 | unique_ptr(unique_ptr&&) = default; |
591 | |
592 | /// Creates a unique_ptr that owns nothing. |
593 | template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>> |
594 | constexpr unique_ptr(nullptr_t) noexcept |
595 | : _M_t() |
596 | { } |
597 | |
598 | template<typename _Up, typename _Ep, typename = _Require< |
599 | __safe_conversion_up<_Up, _Ep>, |
600 | typename conditional<is_reference<_Dp>::value, |
601 | is_same<_Ep, _Dp>, |
602 | is_convertible<_Ep, _Dp>>::type>> |
603 | unique_ptr(unique_ptr<_Up, _Ep>&& __u) noexcept |
604 | : _M_t(__u.release(), std::forward<_Ep>(__u.get_deleter())) |
605 | { } |
606 | |
607 | /// Destructor, invokes the deleter if the stored pointer is not null. |
608 | ~unique_ptr() |
609 | { |
610 | auto& __ptr = _M_t._M_ptr(); |
611 | if (__ptr != nullptr) |
612 | get_deleter()(__ptr); |
613 | __ptr = pointer(); |
614 | } |
615 | |
616 | // Assignment. |
617 | |
618 | /** @brief Move assignment operator. |
619 | * |
620 | * Invokes the deleter if this object owns a pointer. |
621 | */ |
622 | unique_ptr& |
623 | operator=(unique_ptr&&) = default; |
624 | |
625 | /** @brief Assignment from another type. |
626 | * |
627 | * @param __u The object to transfer ownership from, which owns a |
628 | * convertible pointer to an array object. |
629 | * |
630 | * Invokes the deleter if this object owns a pointer. |
631 | */ |
632 | template<typename _Up, typename _Ep> |
633 | typename |
634 | enable_if<__and_<__safe_conversion_up<_Up, _Ep>, |
635 | is_assignable<deleter_type&, _Ep&&> |
636 | >::value, |
637 | unique_ptr&>::type |
638 | operator=(unique_ptr<_Up, _Ep>&& __u) noexcept |
639 | { |
640 | reset(__u.release()); |
641 | get_deleter() = std::forward<_Ep>(__u.get_deleter()); |
642 | return *this; |
643 | } |
644 | |
645 | /// Reset the %unique_ptr to empty, invoking the deleter if necessary. |
646 | unique_ptr& |
647 | operator=(nullptr_t) noexcept |
648 | { |
649 | reset(); |
650 | return *this; |
651 | } |
652 | |
653 | // Observers. |
654 | |
655 | /// Access an element of owned array. |
656 | typename std::add_lvalue_reference<element_type>::type |
657 | operator[](size_t __i) const |
658 | { |
659 | __glibcxx_assert(get() != pointer()); |
660 | return get()[__i]; |
661 | } |
662 | |
663 | /// Return the stored pointer. |
664 | pointer |
665 | get() const noexcept |
666 | { return _M_t._M_ptr(); } |
667 | |
668 | /// Return a reference to the stored deleter. |
669 | deleter_type& |
670 | get_deleter() noexcept |
671 | { return _M_t._M_deleter(); } |
672 | |
673 | /// Return a reference to the stored deleter. |
674 | const deleter_type& |
675 | get_deleter() const noexcept |
676 | { return _M_t._M_deleter(); } |
677 | |
678 | /// Return @c true if the stored pointer is not null. |
679 | explicit operator bool() const noexcept |
680 | { return get() == pointer() ? false : true; } |
681 | |
682 | // Modifiers. |
683 | |
684 | /// Release ownership of any stored pointer. |
685 | pointer |
686 | release() noexcept |
687 | { return _M_t.release(); } |
688 | |
689 | /** @brief Replace the stored pointer. |
690 | * |
691 | * @param __p The new pointer to store. |
692 | * |
693 | * The deleter will be invoked if a pointer is already owned. |
694 | */ |
695 | template <typename _Up, |
696 | typename = _Require< |
697 | __or_<is_same<_Up, pointer>, |
698 | __and_<is_same<pointer, element_type*>, |
699 | is_pointer<_Up>, |
700 | is_convertible< |
701 | typename remove_pointer<_Up>::type(*)[], |
702 | element_type(*)[] |
703 | > |
704 | > |
705 | > |
706 | >> |
707 | void |
708 | reset(_Up __p) noexcept |
709 | { _M_t.reset(std::move(__p)); } |
710 | |
711 | void reset(nullptr_t = nullptr) noexcept |
712 | { reset(pointer()); } |
713 | |
714 | /// Exchange the pointer and deleter with another object. |
715 | void |
716 | swap(unique_ptr& __u) noexcept |
717 | { |
718 | static_assert(__is_swappable<_Dp>::value, "deleter must be swappable"); |
719 | _M_t.swap(__u._M_t); |
720 | } |
721 | |
722 | // Disable copy from lvalue. |
723 | unique_ptr(const unique_ptr&) = delete; |
724 | unique_ptr& operator=(const unique_ptr&) = delete; |
725 | }; |
726 | |
727 | /// @relates unique_ptr @{ |
728 | |
729 | /// Swap overload for unique_ptr |
730 | template<typename _Tp, typename _Dp> |
731 | inline |
732 | #if __cplusplus201703L > 201402L || !defined(__STRICT_ANSI__1) // c++1z or gnu++11 |
733 | // Constrained free swap overload, see p0185r1 |
734 | typename enable_if<__is_swappable<_Dp>::value>::type |
735 | #else |
736 | void |
737 | #endif |
738 | swap(unique_ptr<_Tp, _Dp>& __x, |
739 | unique_ptr<_Tp, _Dp>& __y) noexcept |
740 | { __x.swap(__y); } |
741 | |
742 | #if __cplusplus201703L > 201402L || !defined(__STRICT_ANSI__1) // c++1z or gnu++11 |
743 | template<typename _Tp, typename _Dp> |
744 | typename enable_if<!__is_swappable<_Dp>::value>::type |
745 | swap(unique_ptr<_Tp, _Dp>&, |
746 | unique_ptr<_Tp, _Dp>&) = delete; |
747 | #endif |
748 | |
749 | /// Equality operator for unique_ptr objects, compares the owned pointers |
750 | template<typename _Tp, typename _Dp, |
751 | typename _Up, typename _Ep> |
752 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
753 | operator==(const unique_ptr<_Tp, _Dp>& __x, |
754 | const unique_ptr<_Up, _Ep>& __y) |
755 | { return __x.get() == __y.get(); } |
756 | |
757 | /// unique_ptr comparison with nullptr |
758 | template<typename _Tp, typename _Dp> |
759 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
760 | operator==(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) noexcept |
761 | { return !__x; } |
762 | |
763 | #ifndef __cpp_lib_three_way_comparison |
764 | /// unique_ptr comparison with nullptr |
765 | template<typename _Tp, typename _Dp> |
766 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
767 | operator==(nullptr_t, const unique_ptr<_Tp, _Dp>& __x) noexcept |
768 | { return !__x; } |
769 | |
770 | /// Inequality operator for unique_ptr objects, compares the owned pointers |
771 | template<typename _Tp, typename _Dp, |
772 | typename _Up, typename _Ep> |
773 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
774 | operator!=(const unique_ptr<_Tp, _Dp>& __x, |
775 | const unique_ptr<_Up, _Ep>& __y) |
776 | { return __x.get() != __y.get(); } |
777 | |
778 | /// unique_ptr comparison with nullptr |
779 | template<typename _Tp, typename _Dp> |
780 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
781 | operator!=(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) noexcept |
782 | { return (bool)__x; } |
783 | |
784 | /// unique_ptr comparison with nullptr |
785 | template<typename _Tp, typename _Dp> |
786 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
787 | operator!=(nullptr_t, const unique_ptr<_Tp, _Dp>& __x) noexcept |
788 | { return (bool)__x; } |
789 | #endif // three way comparison |
790 | |
791 | /// Relational operator for unique_ptr objects, compares the owned pointers |
792 | template<typename _Tp, typename _Dp, |
793 | typename _Up, typename _Ep> |
794 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
795 | operator<(const unique_ptr<_Tp, _Dp>& __x, |
796 | const unique_ptr<_Up, _Ep>& __y) |
797 | { |
798 | typedef typename |
799 | std::common_type<typename unique_ptr<_Tp, _Dp>::pointer, |
800 | typename unique_ptr<_Up, _Ep>::pointer>::type _CT; |
801 | return std::less<_CT>()(__x.get(), __y.get()); |
802 | } |
803 | |
804 | /// unique_ptr comparison with nullptr |
805 | template<typename _Tp, typename _Dp> |
806 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
807 | operator<(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) |
808 | { |
809 | return std::less<typename unique_ptr<_Tp, _Dp>::pointer>()(__x.get(), |
810 | nullptr); |
811 | } |
812 | |
813 | /// unique_ptr comparison with nullptr |
814 | template<typename _Tp, typename _Dp> |
815 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
816 | operator<(nullptr_t, const unique_ptr<_Tp, _Dp>& __x) |
817 | { |
818 | return std::less<typename unique_ptr<_Tp, _Dp>::pointer>()(nullptr, |
819 | __x.get()); |
820 | } |
821 | |
822 | /// Relational operator for unique_ptr objects, compares the owned pointers |
823 | template<typename _Tp, typename _Dp, |
824 | typename _Up, typename _Ep> |
825 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
826 | operator<=(const unique_ptr<_Tp, _Dp>& __x, |
827 | const unique_ptr<_Up, _Ep>& __y) |
828 | { return !(__y < __x); } |
829 | |
830 | /// unique_ptr comparison with nullptr |
831 | template<typename _Tp, typename _Dp> |
832 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
833 | operator<=(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) |
834 | { return !(nullptr < __x); } |
835 | |
836 | /// unique_ptr comparison with nullptr |
837 | template<typename _Tp, typename _Dp> |
838 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
839 | operator<=(nullptr_t, const unique_ptr<_Tp, _Dp>& __x) |
840 | { return !(__x < nullptr); } |
841 | |
842 | /// Relational operator for unique_ptr objects, compares the owned pointers |
843 | template<typename _Tp, typename _Dp, |
844 | typename _Up, typename _Ep> |
845 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
846 | operator>(const unique_ptr<_Tp, _Dp>& __x, |
847 | const unique_ptr<_Up, _Ep>& __y) |
848 | { return (__y < __x); } |
849 | |
850 | /// unique_ptr comparison with nullptr |
851 | template<typename _Tp, typename _Dp> |
852 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
853 | operator>(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) |
854 | { |
855 | return std::less<typename unique_ptr<_Tp, _Dp>::pointer>()(nullptr, |
856 | __x.get()); |
857 | } |
858 | |
859 | /// unique_ptr comparison with nullptr |
860 | template<typename _Tp, typename _Dp> |
861 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
862 | operator>(nullptr_t, const unique_ptr<_Tp, _Dp>& __x) |
863 | { |
864 | return std::less<typename unique_ptr<_Tp, _Dp>::pointer>()(__x.get(), |
865 | nullptr); |
866 | } |
867 | |
868 | /// Relational operator for unique_ptr objects, compares the owned pointers |
869 | template<typename _Tp, typename _Dp, |
870 | typename _Up, typename _Ep> |
871 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
872 | operator>=(const unique_ptr<_Tp, _Dp>& __x, |
873 | const unique_ptr<_Up, _Ep>& __y) |
874 | { return !(__x < __y); } |
875 | |
876 | /// unique_ptr comparison with nullptr |
877 | template<typename _Tp, typename _Dp> |
878 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
879 | operator>=(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) |
880 | { return !(__x < nullptr); } |
881 | |
882 | /// unique_ptr comparison with nullptr |
883 | template<typename _Tp, typename _Dp> |
884 | _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool |
885 | operator>=(nullptr_t, const unique_ptr<_Tp, _Dp>& __x) |
886 | { return !(nullptr < __x); } |
887 | |
888 | #ifdef __cpp_lib_three_way_comparison |
889 | template<typename _Tp, typename _Dp, typename _Up, typename _Ep> |
890 | requires three_way_comparable_with<typename unique_ptr<_Tp, _Dp>::pointer, |
891 | typename unique_ptr<_Up, _Ep>::pointer> |
892 | inline |
893 | compare_three_way_result_t<typename unique_ptr<_Tp, _Dp>::pointer, |
894 | typename unique_ptr<_Up, _Ep>::pointer> |
895 | operator<=>(const unique_ptr<_Tp, _Dp>& __x, |
896 | const unique_ptr<_Up, _Ep>& __y) |
897 | { return compare_three_way()(__x.get(), __y.get()); } |
898 | |
899 | template<typename _Tp, typename _Dp> |
900 | requires three_way_comparable<typename unique_ptr<_Tp, _Dp>::pointer> |
901 | inline |
902 | compare_three_way_result_t<typename unique_ptr<_Tp, _Dp>::pointer> |
903 | operator<=>(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) |
904 | { |
905 | using pointer = typename unique_ptr<_Tp, _Dp>::pointer; |
906 | return compare_three_way()(__x.get(), static_cast<pointer>(nullptr)); |
907 | } |
908 | #endif |
909 | // @} relates unique_ptr |
910 | |
911 | /// @cond undocumented |
912 | template<typename _Up, typename _Ptr = typename _Up::pointer, |
913 | bool = __poison_hash<_Ptr>::__enable_hash_call> |
914 | struct __uniq_ptr_hash |
915 | #if ! _GLIBCXX_INLINE_VERSION0 |
916 | : private __poison_hash<_Ptr> |
917 | #endif |
918 | { |
919 | size_t |
920 | operator()(const _Up& __u) const |
921 | noexcept(noexcept(std::declval<hash<_Ptr>>()(std::declval<_Ptr>()))) |
922 | { return hash<_Ptr>()(__u.get()); } |
923 | }; |
924 | |
925 | template<typename _Up, typename _Ptr> |
926 | struct __uniq_ptr_hash<_Up, _Ptr, false> |
927 | : private __poison_hash<_Ptr> |
928 | { }; |
929 | /// @endcond |
930 | |
931 | /// std::hash specialization for unique_ptr. |
932 | template<typename _Tp, typename _Dp> |
933 | struct hash<unique_ptr<_Tp, _Dp>> |
934 | : public __hash_base<size_t, unique_ptr<_Tp, _Dp>>, |
935 | public __uniq_ptr_hash<unique_ptr<_Tp, _Dp>> |
936 | { }; |
937 | |
938 | #if __cplusplus201703L >= 201402L |
939 | /// @relates unique_ptr @{ |
940 | #define __cpp_lib_make_unique201304 201304 |
941 | |
942 | /// @cond undocumented |
943 | |
944 | template<typename _Tp> |
945 | struct _MakeUniq |
946 | { typedef unique_ptr<_Tp> __single_object; }; |
947 | |
948 | template<typename _Tp> |
949 | struct _MakeUniq<_Tp[]> |
950 | { typedef unique_ptr<_Tp[]> __array; }; |
951 | |
952 | template<typename _Tp, size_t _Bound> |
953 | struct _MakeUniq<_Tp[_Bound]> |
954 | { struct __invalid_type { }; }; |
955 | |
956 | /// @endcond |
957 | |
958 | /// std::make_unique for single objects |
959 | template<typename _Tp, typename... _Args> |
960 | inline typename _MakeUniq<_Tp>::__single_object |
961 | make_unique(_Args&&... __args) |
962 | { return unique_ptr<_Tp>(new _Tp(std::forward<_Args>(__args)...)); } |
963 | |
964 | /// std::make_unique for arrays of unknown bound |
965 | template<typename _Tp> |
966 | inline typename _MakeUniq<_Tp>::__array |
967 | make_unique(size_t __num) |
968 | { return unique_ptr<_Tp>(new remove_extent_t<_Tp>[__num]()); } |
969 | |
970 | /// Disable std::make_unique for arrays of known bound |
971 | template<typename _Tp, typename... _Args> |
972 | inline typename _MakeUniq<_Tp>::__invalid_type |
973 | make_unique(_Args&&...) = delete; |
974 | // @} relates unique_ptr |
975 | #endif // C++14 |
976 | |
977 | #if __cplusplus201703L > 201703L && __cpp_concepts |
978 | // _GLIBCXX_RESOLVE_LIB_DEFECTS |
979 | // 2948. unique_ptr does not define operator<< for stream output |
980 | /// Stream output operator for unique_ptr |
981 | template<typename _CharT, typename _Traits, typename _Tp, typename _Dp> |
982 | inline basic_ostream<_CharT, _Traits>& |
983 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
984 | const unique_ptr<_Tp, _Dp>& __p) |
985 | requires requires { __os << __p.get(); } |
986 | { |
987 | __os << __p.get(); |
988 | return __os; |
989 | } |
990 | #endif // C++20 |
991 | |
992 | // @} group pointer_abstractions |
993 | |
994 | #if __cplusplus201703L >= 201703L |
995 | namespace __detail::__variant |
996 | { |
997 | template<typename> struct _Never_valueless_alt; // see <variant> |
998 | |
999 | // Provide the strong exception-safety guarantee when emplacing a |
1000 | // unique_ptr into a variant. |
1001 | template<typename _Tp, typename _Del> |
1002 | struct _Never_valueless_alt<std::unique_ptr<_Tp, _Del>> |
1003 | : std::true_type |
1004 | { }; |
1005 | } // namespace __detail::__variant |
1006 | #endif // C++17 |
1007 | |
1008 | _GLIBCXX_END_NAMESPACE_VERSION |
1009 | } // namespace |
1010 | |
1011 | #endif /* _UNIQUE_PTR_H */ |
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 |