1 files changed, 96 insertions, 0 deletions
diff --git a/accessibility/source/extended/accessibletabbarbase.cxx b/accessibility/source/extended/accessibletabbarbase.cxx
new file mode 100644
index 0000000000..1e213f0711
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+++ b/accessibility/source/extended/accessibletabbarbase.cxx
@@ -0,0 +1,96 @@
+/* -*- 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 <extended/accessibletabbarbase.hxx>
+#ifndef ACCESSIBILITY_EXT_ACCESSIBLETABBARPAGELIST
+#include <extended/accessibletabbarpagelist.hxx>
+#endif
+#include <svtools/tabbar.hxx>
+#include <vcl/vclevent.hxx>
+
+
+namespace accessibility
+{
+
+
+AccessibleTabBarBase::AccessibleTabBarBase( TabBar* pTabBar ) :
+    m_pTabBar( nullptr )
+{
+    SetTabBarPointer( pTabBar );
+}
+
+AccessibleTabBarBase::~AccessibleTabBarBase()
+{
+    ClearTabBarPointer();
+}
+
+IMPL_LINK( AccessibleTabBarBase, WindowEventListener, VclWindowEvent&, rEvent, void )
+{
+    vcl::Window* pEventWindow = rEvent.GetWindow();
+    OSL_ENSURE( pEventWindow, "AccessibleTabBarBase::WindowEventListener: no window!" );
+
+    if( ( rEvent.GetId() == VclEventId::TabbarPageRemoved ) &&
+        ( static_cast<sal_uInt16>(reinterpret_cast<sal_IntPtr>(rEvent.GetData())) == TabBar::PAGE_NOT_FOUND ) &&
+        (dynamic_cast<AccessibleTabBarPageList *>(this) == nullptr))
+    {
+        return;
+    }
+
+    if ( !pEventWindow->IsAccessibilityEventsSuppressed() || (rEvent.GetId() == VclEventId::ObjectDying) )
+        ProcessWindowEvent( rEvent );
+}
+
+void AccessibleTabBarBase::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
+{
+    if( rVclWindowEvent.GetId() == VclEventId::ObjectDying )
+        ClearTabBarPointer();
+}
+
+// XComponent
+
+void AccessibleTabBarBase::disposing()
+{
+    OAccessibleExtendedComponentHelper::disposing();
+    ClearTabBarPointer();
+}
+
+// private
+
+void AccessibleTabBarBase::SetTabBarPointer( TabBar* pTabBar )
+{
+    OSL_ENSURE( !m_pTabBar, "AccessibleTabBarBase::SetTabBarPointer - multiple call" );
+    m_pTabBar = pTabBar;
+    if( m_pTabBar )
+        m_pTabBar->AddEventListener( LINK( this, AccessibleTabBarBase, WindowEventListener ) );
+}
+
+void AccessibleTabBarBase::ClearTabBarPointer()
+{
+    if( m_pTabBar )
+    {
+        m_pTabBar->RemoveEventListener( LINK( this, AccessibleTabBarBase, WindowEventListener ) );
+        m_pTabBar = nullptr;
+    }
+}
+
+
+}   // namespace accessibility
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */