tdf#156473 a11y: Keep a reference to table's a11y object

Keep a Reference to the a11y object in `TableControl_Impl`,
to prevent the object from getting deleted while it's still
needed.

Fixes a crash with this backtrace on Windows when closing
the macro dialog from tdf#156473 with the NVDA screen reader
active:

1 cppu::WeakComponentImplHelperBase::release implbase.cxx 70 0x7ff97c1f0f72
2 cppu::PartialWeakComponentImplHelper<com::sun::star::accessibility::XAccessibleContext,com::sun::star::accessibility::XAccessibleComponent,com::sun::star::accessibility::XAccessibleEventBroadcaster,com::sun::star::lang::XServiceInfo>::release compbase.hxx 86 0x7ff9200cc5a4
3 rtl::Reference<accessibility::AccessibleGridControl>::clear ref.hxx 198 0x7ff9200cc25b
4 accessibility::AccessibleGridControlAccess::DisposeAccessImpl AccessibleGridControl.cxx 335 0x7ff9200cc17a
5 svt::table::TableControl_Impl::disposeAccessible tablecontrol_impl.cxx 2397 0x7ff955829173
6 svt::table::TableControl::dispose tablecontrol.cxx 74 0x7ff9558190e4
7 VclReferenceBase::disposeOnce vclreferencebase.cxx 39 0x7ff9494f4fda
8 VclPtr<vcl::Window>::disposeAndClear vclptr.hxx 207 0x7ff9556b0fbe
9 VCLXWindow::dispose vclxwindow.cxx 927 0x7ff9556b0c9c
10 SVTXGridControl::dispose svtxgridcontrol.cxx 766 0x7ff9557e2577
11 UnoControl::dispose unocontrol.cxx 362 0x7ff95585bc3c
12 toolkit::UnoGridControl::dispose gridcontrol.cxx 292 0x7ff9557c9667
13 UnoControlContainer::dispose unocontrolcontainer.cxx 413 0x7ff955874606
14 ControlContainerBase::dispose controlmodelcontainerbase.cxx 1387 0x7ff95573f480
15 UnoDialogControl::dispose dialogcontrol.cxx 336 0x7ff95576aca1
16 UnoControl::disposing unocontrol.cxx 670 0x7ff95585ee37
17 UnoControlContainer::disposing unocontrolcontainer.cxx 432 0x7ff95587487c
18 ControlContainerBase::disposing controlmodelcontainerbase.cxx 1394 0x7ff95573f555
19 UnoDialogControl::disposing dialogcontrol.cxx 343 0x7ff95576ad45
20 comphelper::OInterfaceContainerHelper4<com::sun::star::container::XContainerListener>::disposeAndClear interfacecontainer4.hxx 397 0x7ff955748752
21 ListenerMultiplexerBase<com::sun::star::container::XContainerListener>::disposeAndClear listenermultiplexer.hxx 106 0x7ff95572da7b
22 ControlModelContainerBase::dispose controlmodelcontainerbase.cxx 223 0x7ff95572d855
23 OGeometryControlModel_Base::disposing geometrycontrolmodel.cxx 429 0x7ff9557930f9
24 cppu::WeakAggComponentImplHelperBase::dispose implbase.cxx 230 0x7ff97c1f1dca
25 SbiInstance::~SbiInstance runtime.cxx 360 0x7ff975dfdd1b
26 SbModule::Run sbxmod.cxx 1189 0x7ff975d532e7
27 SbModule::Notify sbxmod.cxx 776 0x7ff975d525d3
28 SfxBroadcaster::Broadcast SfxBroadcaster.cxx 41 0x7ff96c5366ab
29 SbMethod::Broadcast sbxmod.cxx 2121 0x7ff975d59c07
30 SbxValue::Get sbxvalue.cxx 290 0x7ff975e7a6be
31 SbMethod::Call sbxmod.cxx 2077 0x7ff975d5988d
32 basprov::BasicScriptImpl::invoke basscript.cxx 255 0x7ff8bb962d8f
33 SfxObjectShell::CallXScript objmisc.cxx 1439 0x7ff96dfe53a0
34 SfxObjectShell::CallXScript objmisc.cxx 1468 0x7ff96dfe60c2
35 SwDoc::ExecMacro docbasic.cxx 122 0x7ff8c8b30c33
36 SwWrtShell::ExecMacro wrtsh3.cxx 326 0x7ff8c9ee2a45
37 SwWrtShell::ClickToField wrtsh2.cxx 396 0x7ff8c9ede8ce
38 SwEditWin::MouseButtonUp edtwin.cxx 4969 0x7ff8c9abbeae
39 ImplHandleMouseEvent winproc.cxx 720 0x7ff949306165
40 ImplHandleSalMouseButtonUp winproc.cxx 2353 0x7ff94930b0e7
41 ImplWindowFrameProc winproc.cxx 2702 0x7ff949309b92
42 SalFrame::CallCallback salframe.hxx 310 0x7ff9240b2c89
43 ImplHandleMouseMsg salframe.cxx 3292 0x7ff9240d48c1
44 SalFrameWndProc salframe.cxx 5688 0x7ff9240bbf9c
45 SalFrameWndProcW salframe.cxx 6043 0x7ff9240bb6f4
46 CallWindowProcW USER32 0x7ff9c395e858
47 DispatchMessageW USER32 0x7ff9c395e299
48 ImplSalDispatchMessage salinst.cxx 474 0x7ff924008e03
49 ImplSalYield salinst.cxx 546 0x7ff924008cad
50 WinSalInstance::DoYield salinst.cxx 580 0x7ff9240090f5
51 ImplYield svapp.cxx 352 0x7ff9499a3f3b
52 Application::Yield svapp.cxx 437 0x7ff9499a3923
53 Application::Execute svapp.cxx 329 0x7ff9499a372b
54 desktop::Desktop::Main app.cxx 1601 0x7ff97ef6caf3
55 ImplSVMain svmain.cxx 204 0x7ff9499be0a0
56 SVMain svmain.cxx 236 0x7ff9499bfce9
57 soffice_main sofficemain.cxx 94 0x7ff97efdb1d8
58 sal_main main.c 51 0x7ff7e580104a
59 main main.c 49 0x7ff7e5801029
60 invoke_main exe_common.inl 79 0x7ff7e5801269
61 __scrt_common_main_seh exe_common.inl 288 0x7ff7e580139e
62 __scrt_common_main exe_common.inl 331 0x7ff7e580141e
63 mainCRTStartup exe_main.cpp 17 0x7ff7e580143e
64 BaseThreadInitThunk KERNEL32 0x7ff9c2eb7614
65 RtlUserThreadStart ntdll 0x7ff9c4bc26b1

Change-Id: I10e44024f88465950953229e695e0cfe4c4a69c0
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/155953
Tested-by: Jenkins
Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>

0 files changed, 0 insertions, 0 deletions