1 files changed, 124 insertions, 0 deletions
diff --git a/include/comphelper/accessibleselectionhelper.hxx b/include/comphelper/accessibleselectionhelper.hxx
new file mode 100644
index 000000000000..e1bb5dd5f1ef
--- /dev/null
+++ b/include/comphelper/accessibleselectionhelper.hxx
@@ -0,0 +1,124 @@
+/* -*- 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 .
+ */
+
+#ifndef COMPHELPER_ACCESSIBLE_SELECTION_HELPER_HXX
+#define COMPHELPER_ACCESSIBLE_SELECTION_HELPER_HXX
+
+#include <comphelper/uno3.hxx>
+#include <comphelper/accessiblecomponenthelper.hxx>
+#include <cppuhelper/implbase1.hxx>
+#include <com/sun/star/accessibility/XAccessibleSelection.hpp>
+#include "comphelper/comphelperdllapi.h"
+
+#define ACCESSIBLE_SELECTION_CHILD_ALL  ((sal_Int32)-1)
+#define ACCESSIBLE_SELECTION_CHILD_SELF ((sal_Int32)-2)
+
+//.........................................................................
+namespace comphelper
+{
+//.........................................................................
+
+    //=====================================================================
+    //= OCommonAccessibleSelection
+    //=====================================================================
+    /** base class encapsulating common functionality for the helper classes implementing
+        the XAccessibleSelection
+    */
+    class COMPHELPER_DLLPUBLIC OCommonAccessibleSelection
+    {
+    protected:
+
+        OCommonAccessibleSelection();
+
+        ~OCommonAccessibleSelection();
+
+    protected:
+
+        // access to context - still waiting to be overwritten
+        virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext >
+            implGetAccessibleContext()
+            throw ( ::com::sun::star::uno::RuntimeException ) = 0;
+
+        // return if the specified child is visible => watch for special ChildIndexes (ACCESSIBLE_SELECTION_CHILD_xxx)
+        virtual sal_Bool
+            implIsSelected( sal_Int32 nAccessibleChildIndex )
+            throw (::com::sun::star::uno::RuntimeException) = 0;
+
+        // select the specified child => watch for special ChildIndexes (ACCESSIBLE_SELECTION_CHILD_xxx)
+        virtual void
+            implSelect( sal_Int32 nAccessibleChildIndex, sal_Bool bSelect )
+            throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException) = 0;
+
+    protected:
+
+        /** non-virtual versions of the methods which can be implemented using <method>implIsSelected</method> and <method>implSelect</method>
+        */
+        void SAL_CALL selectAccessibleChild( sal_Int32 nChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
+        sal_Bool SAL_CALL isAccessibleChildSelected( sal_Int32 nChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
+        void SAL_CALL clearAccessibleSelection(  ) throw (::com::sun::star::uno::RuntimeException);
+        void SAL_CALL selectAllAccessibleChildren(  ) throw (::com::sun::star::uno::RuntimeException);
+        sal_Int32 SAL_CALL getSelectedAccessibleChildCount(  ) throw (::com::sun::star::uno::RuntimeException);
+        ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
+        void SAL_CALL deselectAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
+    };
+
+    //=====================================================================
+    //= OAccessibleSelectionHelper
+    //=====================================================================
+
+    typedef ::cppu::ImplHelper1< ::com::sun::star::accessibility::XAccessibleSelection > OAccessibleSelectionHelper_Base;
+
+    /** a helper class for implementing an AccessibleSelection which at the same time
+        supports an XAccessibleSelection interface.
+    */
+    class COMPHELPER_DLLPUBLIC OAccessibleSelectionHelper : public OAccessibleComponentHelper,
+                                       public OCommonAccessibleSelection,
+                                       public OAccessibleSelectionHelper_Base
+    {
+    protected:
+
+        /// see the respective base class ctor for an extensive comment on this, please
+        OAccessibleSelectionHelper( IMutex* _pExternalLock );
+
+        // return ourself here by default
+        virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext > implGetAccessibleContext() throw ( ::com::sun::star::uno::RuntimeException );
+
+    public:
+
+        // XInterface
+        DECLARE_XINTERFACE( )
+        DECLARE_XTYPEPROVIDER( )
+
+        // XAccessibleSelection - default implementations
+        virtual void SAL_CALL selectAccessibleChild( sal_Int32 nChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
+        virtual sal_Bool SAL_CALL isAccessibleChildSelected( sal_Int32 nChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
+        virtual void SAL_CALL clearAccessibleSelection(  ) throw (::com::sun::star::uno::RuntimeException);
+        virtual void SAL_CALL selectAllAccessibleChildren(  ) throw (::com::sun::star::uno::RuntimeException);
+        virtual sal_Int32 SAL_CALL getSelectedAccessibleChildCount(  ) throw (::com::sun::star::uno::RuntimeException);
+        virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
+        virtual void SAL_CALL deselectAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
+    };
+
+//.........................................................................
+}   // namespace comphelper
+//.........................................................................
+
+#endif // COMPHELPER_ACCESSIBLE_SELECTION_HELPER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */