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Accessibility: Avoid immediate crash in Impress

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When Accessibility is active Impress immediately crashes. We need to check that
mpParent isn't NULL before we try to call it's methods. This has been a
problem since at least commit 7ef4a5bd51.
I don't know if it is relevant to bring that back though.

Change-Id: Idaa1f30685205e3a62cec2a60a14791d798391a6
Reviewed-on: https://gerrit.libreoffice.org/8748
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
This commit is contained in:
Niklas Johansson
2014-03-25 16:01:50 +01:00
committed by Caolán McNamara
parent 729f40f035
commit e5d7a360e6
1 changed files with 5 additions and 2 deletions
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7
svx/source/accessibility/AccessibleShape.cxx
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@@ -402,15 +402,18 @@ uno::Reference<XAccessibleRelationSet> SAL_CALL
throw (::com::sun::star::uno::RuntimeException, std::exception)
{
::osl::MutexGuard aGuard (maMutex);
if (mpParent == NULL)
return uno::Reference<XAccessibleRelationSet>();
::utl::AccessibleRelationSetHelper* pRelationSet = new utl::AccessibleRelationSetHelper;
//this mxshape is the captioned shape, only for sw
//this mxshape is the captioned shape
uno::Sequence< uno::Reference< uno::XInterface > > aSequence(1);
aSequence[0] = mpParent->GetAccessibleCaption(mxShape);
if(aSequence[0].get())
{
pRelationSet->AddRelation(
AccessibleRelation( AccessibleRelationType::DESCRIBED_BY, aSequence ) );
AccessibleRelation( AccessibleRelationType::DESCRIBED_BY, aSequence ) );
}
return uno::Reference<XAccessibleRelationSet>(pRelationSet);
}