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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include "gtkaccessibleregistry.hxx"
#include "a11y.hxx"
#include <cassert>
std::map<css::accessibility::XAccessible*, LoAccessible*> GtkAccessibleRegistry::m_aMapping = {};
LoAccessible* GtkAccessibleRegistry::getLOAccessible(
css::uno::Reference<css::accessibility::XAccessible> const& xAcc, GdkDisplay* pDisplay,
GtkAccessible* pParent)
{
if (!xAcc.is())
return nullptr;
// look for existing entry in the map
auto entry = m_aMapping.find(xAcc.get());
if (entry != m_aMapping.end())
return entry->second;
assert(pDisplay);
if (!pParent)
{
// try to find parent via XAccessible hierarchy; this could be problematic
// as it could create a separate hierarchy besides the one including native
// GTK widgets if no object which already has its native parent set exists
// in the a11y tree path from the root to this object
css::uno::Reference<css::accessibility::XAccessibleContext> xContext
= xAcc->getAccessibleContext();
assert(xContext);
css::uno::Reference<css::accessibility::XAccessible> xParent
= xContext->getAccessibleParent();
pParent = GTK_ACCESSIBLE(getLOAccessible(xParent, pDisplay, nullptr));
assert(pParent && "No parent explicitly given and none found via the a11y hierarchy");
}
// create a new object and remember it in the map
LoAccessible* pLoAccessible = lo_accessible_new(pDisplay, pParent, xAcc);
m_aMapping.emplace(xAcc.get(), pLoAccessible);
return pLoAccessible;
}
void GtkAccessibleRegistry::remove(css::uno::Reference<css::accessibility::XAccessible> const& xAcc)
{
assert(xAcc.is());
m_aMapping.erase(xAcc.get());
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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