From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:06:44 +0200 Subject: Adding upstream version 4:7.4.7. Signed-off-by: Daniel Baumann --- canvas/source/vcl/windowoutdevholder.hxx | 56 ++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 canvas/source/vcl/windowoutdevholder.hxx (limited to 'canvas/source/vcl/windowoutdevholder.hxx') diff --git a/canvas/source/vcl/windowoutdevholder.hxx b/canvas/source/vcl/windowoutdevholder.hxx new file mode 100644 index 000000000..87138a8a9 --- /dev/null +++ b/canvas/source/vcl/windowoutdevholder.hxx @@ -0,0 +1,56 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ + +#pragma once + +#include +#include +#include + +#include "outdevprovider.hxx" + +namespace vclcanvas +{ + class WindowOutDevHolder : public OutDevProvider + { + public: + WindowOutDevHolder(const WindowOutDevHolder&) = delete; + const WindowOutDevHolder operator=(const WindowOutDevHolder&) = delete; + + explicit WindowOutDevHolder( const css::uno::Reference< css::awt::XWindow>& xWin ); + + private: + virtual OutputDevice& getOutDev() override { return *mrOutputWindow.GetOutDev(); } + virtual const OutputDevice& getOutDev() const override { return *mrOutputWindow.GetOutDev(); } + + // TODO(Q2): Lifetime issue. Though WindowGraphicDeviceBase + // now listens 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 + vcl::Window& mrOutputWindow; + }; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3