convert OSL_ENSURE to assert in AccessibleEventNotifier

and fix the places that trigger it

Change-Id: I97a04cff25ab5aa1d42c79a971d15ba742bf384e
Reviewed-on: https://gerrit.libreoffice.org/31760
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
diff --git a/comphelper/source/misc/accessiblecontexthelper.cxx b/comphelper/source/misc/accessiblecontexthelper.cxx
index 5f855ed..bbc4102 100644
--- a/comphelper/source/misc/accessiblecontexthelper.cxx
+++ b/comphelper/source/misc/accessiblecontexthelper.cxx
@@ -151,7 +151,7 @@ namespace comphelper
        if ( !isAlive() )
            return;

        if ( _rxListener.is() )
        if ( _rxListener.is() && m_pImpl->getClientId() )
        {
            sal_Int32 nListenerCount = AccessibleEventNotifier::removeEventListener( m_pImpl->getClientId( ), _rxListener );
            if ( !nListenerCount )
diff --git a/comphelper/source/misc/accessibleeventnotifier.cxx b/comphelper/source/misc/accessibleeventnotifier.cxx
index 9c7d89a..742de12 100644
--- a/comphelper/source/misc/accessibleeventnotifier.cxx
+++ b/comphelper/source/misc/accessibleeventnotifier.cxx
@@ -130,7 +130,7 @@ namespace
        // look up this client
        ClientMap &rClients = Clients::get();
        rPos = rClients.find( nClient );
        OSL_ENSURE( rClients.end() != rPos,
        assert( rClients.end() != rPos &&
            "AccessibleEventNotifier::implLookupClient: invalid client id "
            "(did you register your client?)!" );

diff --git a/svtools/source/control/accessibleruler.cxx b/svtools/source/control/accessibleruler.cxx
index bd71793..f528ca6 100644
--- a/svtools/source/control/accessibleruler.cxx
+++ b/svtools/source/control/accessibleruler.cxx
@@ -260,7 +260,7 @@ void SAL_CALL SvtRulerAccessible::addAccessibleEventListener( const uno::Referen
void SAL_CALL SvtRulerAccessible::removeAccessibleEventListener( const uno::Reference< XAccessibleEventListener >& xListener )
    throw( RuntimeException, std::exception )
{
    if (xListener.is())
    if (xListener.is() && mnClientId)
    {
        ::osl::MutexGuard   aGuard( m_aMutex );

@@ -332,23 +332,16 @@ void SAL_CALL SvtRulerAccessible::disposing()
{
    if( !rBHelper.bDisposed )
    {
        ::osl::MutexGuard   aGuard( m_aMutex );
        mpRepr = nullptr;      // object dies with representation

        // Send a disposing to all listeners.
        if ( mnClientId )
        {
            ::osl::MutexGuard   aGuard( m_aMutex );
            mpRepr = nullptr;      // object dies with representation

            comphelper::AccessibleEventNotifier::revokeClientNotifyDisposing( mnClientId, *this );
            mnClientId =  0;
        }

        {
            ::osl::MutexGuard   aGuard( m_aMutex );

            // Send a disposing to all listeners.
            if ( mnClientId )
            {
                comphelper::AccessibleEventNotifier::revokeClientNotifyDisposing( mnClientId, *this );
                mnClientId =  0;
            }
            mxParent.clear();
        }
        mxParent.clear();
    }
}

diff --git a/sw/source/core/access/acccontext.cxx b/sw/source/core/access/acccontext.cxx
index e006999..52672aa 100644
--- a/sw/source/core/access/acccontext.cxx
+++ b/sw/source/core/access/acccontext.cxx
@@ -730,7 +730,7 @@ void SAL_CALL SwAccessibleContext::removeAccessibleEventListener(
            const uno::Reference< XAccessibleEventListener >& xListener )
        throw (uno::RuntimeException, std::exception)
{
    if (xListener.is())
    if (xListener.is() && m_nClientId)
    {
        SolarMutexGuard aGuard;
        sal_Int32 nListenerCount = comphelper::AccessibleEventNotifier::removeEventListener( m_nClientId, xListener );