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 _VCLCANVAS_WINDOWOUTDEVHOLDER_HXX 29 #define _VCLCANVAS_WINDOWOUTDEVHOLDER_HXX 30 31 #include <com/sun/star/uno/Reference.hxx> 32 #include <com/sun/star/awt/XWindow.hpp> 33 #include <vcl/window.hxx> 34 35 #include "outdevprovider.hxx" 36 37 #include <boost/utility.hpp> 38 39 namespace vclcanvas 40 { 41 class WindowOutDevHolder : public OutDevProvider, 42 private ::boost::noncopyable 43 { 44 public: 45 explicit WindowOutDevHolder( const ::com::sun::star::uno::Reference< 46 ::com::sun::star::awt::XWindow>& xWin ); 47 48 private: 49 virtual OutputDevice& getOutDev() { return mrOutputWindow; } 50 virtual const OutputDevice& getOutDev() const { return mrOutputWindow; } 51 52 // TODO(Q2): Lifetime issue. Though WindowGraphicDeviceBase 53 // now listenes to the window component, I still consider 54 // holding a naked reference unsafe here (especially as we 55 // pass it around via getOutDev). This _only_ works reliably, 56 // if disposing the SpriteCanvas correctly disposes all 57 // entities which hold this pointer. 58 // So: as soon as the protocol inside 59 // vcl/source/window/window.cxx is broken, that disposes the 60 // canvas during window deletion, we're riding a dead horse 61 // here 62 Window& mrOutputWindow; 63 }; 64 } 65 66 #endif /* _VCLCANVAS_WINDOWOUTDEVHOLDER_HXX */ 67