1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 #ifndef _SVX_ACCESSIBLEEMPTYEDITSOURCE_HXX 29 #define _SVX_ACCESSIBLEEMPTYEDITSOURCE_HXX 30 31 #include <svl/brdcst.hxx> 32 #include <svl/lstner.hxx> 33 34 #include <memory> 35 #include <editeng/unoedsrc.hxx> 36 37 class SdrObject; 38 class SdrView; 39 class Window; 40 41 namespace accessibility 42 { 43 /** Proxy edit source for shapes without text 44 45 Extracted from old SvxDummyEditSource 46 */ 47 class AccessibleEmptyEditSource : public SvxEditSource, public SfxListener, public SfxBroadcaster 48 { 49 public: 50 /** Create proxy edit source for shapes without text 51 52 Since the views don't broadcast their dying, make sure that 53 this object gets destroyed if the view becomes invalid 54 55 The window is necessary, since our views can display on multiple windows 56 57 Make sure you only create such an object if the shape _really_ 58 does not contain text. 59 */ 60 AccessibleEmptyEditSource( SdrObject& rObj, SdrView& rView, const Window& rViewWindow ); 61 ~AccessibleEmptyEditSource(); 62 63 // from the SvxEditSource interface 64 SvxTextForwarder* GetTextForwarder(); 65 SvxViewForwarder* GetViewForwarder(); 66 67 SvxEditSource* Clone() const; 68 69 // this method internally switches from empty to proxy mode, 70 // creating an SvxTextEditSource for the functionality. 71 SvxEditViewForwarder* GetEditViewForwarder( sal_Bool bCreate = sal_False ); 72 73 void UpdateData(); 74 SfxBroadcaster& GetBroadcaster() const; 75 76 // from the SfxListener interface 77 void Notify( SfxBroadcaster& rBC, const SfxHint& rHint ); 78 79 private: 80 void Switch2ProxyEditSource(); 81 82 /** Pointer to edit source implementation. This is switched on 83 a GetEditViewForwarder( true ) call, to actually create a 84 SvxTextEditSource. 85 86 @dyn 87 */ 88 std::auto_ptr< SvxEditSource > mpEditSource; 89 90 SdrObject& mrObj; 91 SdrView& mrView; 92 const Window& mrViewWindow; 93 94 bool mbEditSourceEmpty; 95 }; 96 97 } // namespace accessibility 98 99 #endif 100 101