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http://www.openoffice.org/issues/show_bug.cgi?id=105988
                 Issue #|105988
                 Summary|svx: a11y crash on leaving centered text
               Component|Presentation
                 Version|OOO320m1
                Platform|All
                     URL|
              OS/Version|Linux
                  Status|NEW
       Status whiteboard|
                Keywords|
              Resolution|
              Issue type|DEFECT
                Priority|P3
            Subcomponent|code
             Assigned to|graphicsneedsconfirm
             Reported by|cmc





------- Additional comments from c...@openoffice.org Sat Oct 17 15:39:42 +0000 
2009 -------
with a11y enabled (under GNOME) create a new presentation, select centred text
layout, type in a work, click outside the frame -> crash.

valgrind output is...

==23042== Invalid read of size 2
==23042==    at 0x664E0C2: SvPtrarr::Count() const (svarray.hxx:674)
==23042==    by 0x66818FE: SfxBroadcaster::Broadcast(SfxHint const&) 
(brdcst.cxx:68)
==23042==    by 0xC7EDF3B: SvxTextEditSourceImpl::Notify(SfxBroadcaster&,
SfxHint const&) (unoshtxt.cxx:415)
==23042==    by 0x66818E9: SfxBroadcaster::Broadcast(SfxHint const&) 
(brdcst.cxx:73)
==23042==    by 0xC704588: SdrObjEditView::SdrEndTextEdit(unsigned char)
(svdedxv.cxx:808)
==23042==    by 0xF4C33EB: ??? (in
/usr/lib64/openoffice.org/basis3.2/program/libsdlx.so)
==23042==    by 0xF75A948: ??? (in
/usr/lib64/openoffice.org/basis3.2/program/libsdlx.so)
==23042==    by 0xF4D4DAD: ??? (in
/usr/lib64/openoffice.org/basis3.2/program/libsdlx.so)
==23042==    by 0xF4E9357: ??? (in
/usr/lib64/openoffice.org/basis3.2/program/libsdlx.so)
==23042==    by 0x8170B80: ImplHandleMouseEvent(Window*, unsigned short,
unsigned char, long, long, unsigned long, unsigned short, unsigned short)
(winproc.cxx:812)
==23042==    by 0x817275C: ImplHandleSalMouseButtonDown(Window*, SalMouseEvent*)
(winproc.cxx:2076)
==23042==    by 0x8171687: ImplWindowFrameProc(Window*, SalFrame*, unsigned
short, void const*) (winproc.cxx:2408)
==23042==  Address 0x2c417d9a is 42 bytes inside a block of size 184 free'd
==23042==    at 0x4C25A72: free (vg_replace_malloc.c:325)
==23042==    by 0xC7ED919: SvxTextEditSourceImpl::~SvxTextEditSourceImpl()
(unoshtxt.cxx:265)
==23042==    by 0xC7EDA74: SvxTextEditSourceImpl::release() (unoshtxt.cxx:303)
==23042==    by 0xC7F0A8D: SvxTextEditSource::~SvxTextEditSource()
(unoshtxt.cxx:1063)
==23042==    by 0xBD77DDA:
accessibility::AccessibleProxyEditSource_Impl::~AccessibleProxyEditSource_Impl()
(AccessibleEmptyEditSource.cxx:200)
==23042==    by 0xBD7834E:
accessibility::AccessibleEmptyEditSource::Switch2ProxyEditSource() 
(auto_ptr.h:168)
==23042==    by 0xBD78411:
accessibility::AccessibleEmptyEditSource::Notify(SfxBroadcaster&, SfxHint
const&) (AccessibleEmptyEditSource.cxx:348)
==23042==    by 0x66818E9: SfxBroadcaster::Broadcast(SfxHint const&) 
(brdcst.cxx:73)
==23042==    by 0xC7EDF3B: SvxTextEditSourceImpl::Notify(SfxBroadcaster&,
SfxHint const&) (unoshtxt.cxx:415)
==23042==    by 0x66818E9: SfxBroadcaster::Broadcast(SfxHint const&) 
(brdcst.cxx:73)
==23042==    by 0xC704588: SdrObjEditView::SdrEndTextEdit(unsigned char)
(svdedxv.cxx:808)
==23042==    by 0xF4C33EB: ??? (in
/usr/lib64/openoffice.org/basis3.2/program/libsdlx.so)

Attached is a simple workaround to add an acquire of the SvxTextEditSourceImpl
in SvxTextEditSourceImpl::Notify for the lifetime of that method in order to
avoid any of the notified objects dropping the count to 0 and deleting it before
the Notify has been completed

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