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 SD_PRESENTER_CANVAS_UPDATE_REQUESTER_HEADER 29 #define SD_PRESENTER_CANVAS_UPDATE_REQUESTER_HEADER 30 31 #include "precompiled_sd.hxx" 32 33 #include <com/sun/star/rendering/XSpriteCanvas.hpp> 34 #include <boost/noncopyable.hpp> 35 #include <boost/shared_ptr.hpp> 36 #include <sal/types.h> 37 #include <tools/solar.h> 38 #include <tools/link.hxx> 39 #include <vector> 40 41 namespace css = ::com::sun::star; 42 43 namespace sd { namespace presenter { 44 45 /** Each UpdateRequester handles update requests (calls to 46 XCanvas::updateScreen()) for one shared canvas (a canvas that has one or 47 more PresenterCanvas wrappers). Multiple calls are collected and lead 48 to a single call to updateScreen. 49 */ 50 class CanvasUpdateRequester : private ::boost::noncopyable 51 { 52 public: 53 /** Return the Canvas UpdateRequester object for the given shared 54 canvas. A new object is created when it does not already exist. 55 */ 56 static ::boost::shared_ptr<CanvasUpdateRequester> Instance ( 57 const css::uno::Reference<css::rendering::XSpriteCanvas>& rxCanvas); 58 59 void RequestUpdate (const sal_Bool bUpdateAll); 60 61 private: 62 CanvasUpdateRequester (const css::uno::Reference<css::rendering::XSpriteCanvas>& rxCanvas); 63 ~CanvasUpdateRequester (void); 64 class Deleter; friend class Deleter; 65 66 typedef ::std::vector< 67 ::std::pair< 68 css::uno::Reference<css::rendering::XSpriteCanvas>, 69 ::boost::shared_ptr<CanvasUpdateRequester> > > RequesterMap; 70 static RequesterMap maRequesterMap; 71 72 css::uno::Reference<css::rendering::XSpriteCanvas> mxCanvas; 73 sal_uLong mnUserEventId; 74 sal_Bool mbUpdateFlag; 75 DECL_LINK(Callback, void*); 76 }; 77 78 } } // end of namespace ::sd::presenter 79 80 #endif 81