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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /canvas/source/vcl/windowoutdevholder.hxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+/* -*- 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 <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/awt/XWindow.hpp>
+#include <vcl/window.hxx>
+
+#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: */