1*91c99ff4SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*91c99ff4SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*91c99ff4SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*91c99ff4SAndrew Rist * distributed with this work for additional information 6*91c99ff4SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*91c99ff4SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*91c99ff4SAndrew Rist * "License"); you may not use this file except in compliance 9*91c99ff4SAndrew Rist * with the License. You may obtain a copy of the License at 10cdf0e10cSrcweir * 11*91c99ff4SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12cdf0e10cSrcweir * 13*91c99ff4SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*91c99ff4SAndrew Rist * software distributed under the License is distributed on an 15*91c99ff4SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*91c99ff4SAndrew Rist * KIND, either express or implied. See the License for the 17*91c99ff4SAndrew Rist * specific language governing permissions and limitations 18*91c99ff4SAndrew Rist * under the License. 19cdf0e10cSrcweir * 20*91c99ff4SAndrew Rist *************************************************************/ 21*91c99ff4SAndrew Rist 22*91c99ff4SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir #ifndef _VCLCANVAS_WINDOWOUTDEVHOLDER_HXX 25cdf0e10cSrcweir #define _VCLCANVAS_WINDOWOUTDEVHOLDER_HXX 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include <com/sun/star/uno/Reference.hxx> 28cdf0e10cSrcweir #include <com/sun/star/awt/XWindow.hpp> 29cdf0e10cSrcweir #include <vcl/window.hxx> 30cdf0e10cSrcweir 31cdf0e10cSrcweir #include "outdevprovider.hxx" 32cdf0e10cSrcweir 33cdf0e10cSrcweir #include <boost/utility.hpp> 34cdf0e10cSrcweir 35cdf0e10cSrcweir namespace vclcanvas 36cdf0e10cSrcweir { 37cdf0e10cSrcweir class WindowOutDevHolder : public OutDevProvider, 38cdf0e10cSrcweir private ::boost::noncopyable 39cdf0e10cSrcweir { 40cdf0e10cSrcweir public: 41cdf0e10cSrcweir explicit WindowOutDevHolder( const ::com::sun::star::uno::Reference< 42cdf0e10cSrcweir ::com::sun::star::awt::XWindow>& xWin ); 43cdf0e10cSrcweir 44cdf0e10cSrcweir private: getOutDev()45cdf0e10cSrcweir virtual OutputDevice& getOutDev() { return mrOutputWindow; } getOutDev() const46cdf0e10cSrcweir virtual const OutputDevice& getOutDev() const { return mrOutputWindow; } 47cdf0e10cSrcweir 48cdf0e10cSrcweir // TODO(Q2): Lifetime issue. Though WindowGraphicDeviceBase 49cdf0e10cSrcweir // now listenes to the window component, I still consider 50cdf0e10cSrcweir // holding a naked reference unsafe here (especially as we 51cdf0e10cSrcweir // pass it around via getOutDev). This _only_ works reliably, 52cdf0e10cSrcweir // if disposing the SpriteCanvas correctly disposes all 53cdf0e10cSrcweir // entities which hold this pointer. 54cdf0e10cSrcweir // So: as soon as the protocol inside 55cdf0e10cSrcweir // vcl/source/window/window.cxx is broken, that disposes the 56cdf0e10cSrcweir // canvas during window deletion, we're riding a dead horse 57cdf0e10cSrcweir // here 58cdf0e10cSrcweir Window& mrOutputWindow; 59cdf0e10cSrcweir }; 60cdf0e10cSrcweir } 61cdf0e10cSrcweir 62cdf0e10cSrcweir #endif /* _VCLCANVAS_WINDOWOUTDEVHOLDER_HXX */ 63