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diff --git a/accessibility/source/standard/vclxaccessibletabpagewindow.cxx b/accessibility/source/standard/vclxaccessibletabpagewindow.cxx
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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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <standard/vclxaccessibletabpagewindow.hxx>
+#include <toolkit/helper/convert.hxx>
+#include <vcl/tabctrl.hxx>
+#include <vcl/tabpage.hxx>
+#include <sal/log.hxx>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::accessibility;
+using namespace ::comphelper;
+
+
+
+
+VCLXAccessibleTabPageWindow::VCLXAccessibleTabPageWindow( VCLXWindow* pVCLXWindow )
+ :VCLXAccessibleComponent( pVCLXWindow )
+{
+ m_pTabPage = GetAs<TabPage>();
+ m_pTabControl = nullptr;
+ m_nPageId = 0;
+ if ( !m_pTabPage )
+ return;
+
+ vcl::Window* pParent = m_pTabPage->GetAccessibleParentWindow();
+ if ( !(pParent && pParent->GetType() == WindowType::TABCONTROL) )
+ return;
+
+ m_pTabControl = static_cast< TabControl* >( pParent );
+ if ( m_pTabControl )
+ {
+ for ( sal_uInt16 i = 0, nCount = m_pTabControl->GetPageCount(); i < nCount; ++i )
+ {
+ sal_uInt16 nPageId = m_pTabControl->GetPageId( i );
+ if ( m_pTabControl->GetTabPage( nPageId ) == m_pTabPage.get() )
+ m_nPageId = nPageId;
+ }
+ }
+}
+
+
+// OCommonAccessibleComponent
+
+
+awt::Rectangle VCLXAccessibleTabPageWindow::implGetBounds()
+{
+ awt::Rectangle aBounds( 0, 0, 0, 0 );
+
+ if ( m_pTabControl )
+ {
+ tools::Rectangle aPageRect = m_pTabControl->GetTabBounds( m_nPageId );
+ if ( m_pTabPage )
+ {
+ tools::Rectangle aRect( m_pTabPage->GetPosPixel(), m_pTabPage->GetSizePixel() );
+ aRect.Move( -aPageRect.Left(), -aPageRect.Top() );
+ aBounds = AWTRectangle( aRect );
+ }
+ }
+
+ return aBounds;
+}
+
+
+// XComponent
+
+
+void VCLXAccessibleTabPageWindow::disposing()
+{
+ VCLXAccessibleComponent::disposing();
+
+ m_pTabControl = nullptr;
+ m_pTabPage = nullptr;
+}
+
+
+// XAccessibleContext
+
+
+Reference< XAccessible > VCLXAccessibleTabPageWindow::getAccessibleParent( )
+{
+ OExternalLockGuard aGuard( this );
+
+ Reference< XAccessible > xParent;
+ if ( m_pTabControl )
+ {
+ Reference< XAccessible > xAcc( m_pTabControl->GetAccessible() );
+ if ( xAcc.is() )
+ {
+ Reference< XAccessibleContext > xCont( xAcc->getAccessibleContext() );
+ if ( xCont.is() )
+ {
+ sal_uInt16 const nPagePos(m_pTabControl->GetPagePos(m_nPageId));
+ SAL_WARN_IF(nPagePos == TAB_PAGE_NOTFOUND, "accessibility",
+ "getAccessibleParent(): no tab page");
+ if (nPagePos != TAB_PAGE_NOTFOUND)
+ {
+ xParent = xCont->getAccessibleChild(nPagePos);
+ }
+ }
+ }
+ }
+
+ return xParent;
+}
+
+
+sal_Int32 VCLXAccessibleTabPageWindow::getAccessibleIndexInParent( )
+{
+ OExternalLockGuard aGuard( this );
+
+ return 0;
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */