/************************************************************** * * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * *************************************************************/ #ifndef _VCLCANVAS_WINDOWOUTDEVHOLDER_HXX #define _VCLCANVAS_WINDOWOUTDEVHOLDER_HXX #include #include #include #include "outdevprovider.hxx" #include namespace vclcanvas { class WindowOutDevHolder : public OutDevProvider, private ::boost::noncopyable { public: explicit WindowOutDevHolder( const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XWindow>& xWin ); private: virtual OutputDevice& getOutDev() { return mrOutputWindow; } virtual const OutputDevice& getOutDev() const { return mrOutputWindow; } // TODO(Q2): Lifetime issue. Though WindowGraphicDeviceBase // now listenes to the window component, I still consider // holding a naked reference unsafe here (especially as we // pass it around via getOutDev). This _only_ works reliably, // if disposing the SpriteCanvas correctly disposes all // entities which hold this pointer. // So: as soon as the protocol inside // vcl/source/window/window.cxx is broken, that disposes the // canvas during window deletion, we're riding a dead horse // here Window& mrOutputWindow; }; } #endif /* _VCLCANVAS_WINDOWOUTDEVHOLDER_HXX */