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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef _SVX_ACCESSIBLEEMPTYEDITSOURCE_HXX
+#define _SVX_ACCESSIBLEEMPTYEDITSOURCE_HXX
+
+#include <svl/brdcst.hxx>
+#include <svl/lstner.hxx>
+
+#include <memory>
+#include <editeng/unoedsrc.hxx>
+
+class SdrObject;
+class SdrView;
+class Window;
+
+namespace accessibility
+{
+ /** Proxy edit source for shapes without text
+
+ Extracted from old SvxDummyEditSource
+ */
+ class AccessibleEmptyEditSource : public SvxEditSource, public SfxListener, public SfxBroadcaster
+ {
+ public:
+ /** Create proxy edit source for shapes without text
+
+ Since the views don't broadcast their dying, make sure that
+ this object gets destroyed if the view becomes invalid
+
+ The window is necessary, since our views can display on multiple windows
+
+ Make sure you only create such an object if the shape _really_
+ does not contain text.
+ */
+ AccessibleEmptyEditSource( SdrObject& rObj, SdrView& rView, const Window& rViewWindow );
+ ~AccessibleEmptyEditSource();
+
+ // from the SvxEditSource interface
+ SvxTextForwarder* GetTextForwarder();
+ SvxViewForwarder* GetViewForwarder();
+
+ SvxEditSource* Clone() const;
+
+ // this method internally switches from empty to proxy mode,
+ // creating an SvxTextEditSource for the functionality.
+ SvxEditViewForwarder* GetEditViewForwarder( sal_Bool bCreate = sal_False );
+
+ void UpdateData();
+ SfxBroadcaster& GetBroadcaster() const;
+
+ // from the SfxListener interface
+ void Notify( SfxBroadcaster& rBC, const SfxHint& rHint );
+
+ private:
+ void Switch2ProxyEditSource();
+
+ /** Pointer to edit source implementation. This is switched on
+ a GetEditViewForwarder( true ) call, to actually create a
+ SvxTextEditSource.
+
+ @dyn
+ */
+ std::auto_ptr< SvxEditSource > mpEditSource;
+
+ SdrObject& mrObj;
+ SdrView& mrView;
+ const Window& mrViewWindow;
+
+ bool mbEditSourceEmpty;
+ };
+
+} // namespace accessibility
+
+#endif
+