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diff --git a/sdext/source/presenter/PresenterPaneBase.hxx b/sdext/source/presenter/PresenterPaneBase.hxx
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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 .
+ */
+
+#ifndef INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERPANEBASE_HXX
+#define INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERPANEBASE_HXX
+
+#include <cppuhelper/basemutex.hxx>
+#include <cppuhelper/compbase.hxx>
+#include <com/sun/star/awt/XWindowListener.hpp>
+#include <com/sun/star/drawing/XPresenterHelper.hpp>
+#include <com/sun/star/drawing/framework/XPane.hpp>
+#include <com/sun/star/drawing/framework/XPaneBorderPainter.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <com/sun/star/rendering/XCanvas.hpp>
+#include <rtl/ref.hxx>
+
+
+namespace sdext::presenter {
+
+class PresenterController;
+
+typedef ::cppu::WeakComponentImplHelper <
+    css::drawing::framework::XPane,
+    css::lang::XInitialization,
+    css::awt::XWindowListener,
+    css::awt::XPaintListener
+> PresenterPaneBaseInterfaceBase;
+
+/** Base class of the panes used by the presenter screen.  Pane objects are
+    stored in the PresenterPaneContainer.  Sizes and positions are
+    controlled by the PresenterWindowManager.  Interactive positioning and
+    resizing is managed by the PresenterPaneBorderManager.  Borders around
+    panes are painted by the PresenterPaneBorderPainter.
+*/
+class PresenterPaneBase
+    : protected ::cppu::BaseMutex,
+      public PresenterPaneBaseInterfaceBase
+{
+public:
+    PresenterPaneBase (
+        const css::uno::Reference<css::uno::XComponentContext>& rxContext,
+        const ::rtl::Reference<PresenterController>& rpPresenterController);
+    virtual ~PresenterPaneBase() override;
+    PresenterPaneBase(const PresenterPaneBase&) = delete;
+    PresenterPaneBase& operator=(const PresenterPaneBase&) = delete;
+
+    virtual void SAL_CALL disposing() override;
+
+    const css::uno::Reference<css::awt::XWindow>& GetBorderWindow() const;
+    void SetTitle (const OUString& rsTitle);
+    const OUString& GetTitle() const;
+    const css::uno::Reference<css::drawing::framework::XPaneBorderPainter>& GetPaneBorderPainter() const;
+
+    // XInitialization
+
+    virtual void SAL_CALL initialize (const css::uno::Sequence<css::uno::Any>& rArguments) override;
+
+    // XResourceId
+
+    virtual css::uno::Reference<css::drawing::framework::XResourceId> SAL_CALL getResourceId() override;
+
+    virtual sal_Bool SAL_CALL isAnchorOnly() override;
+
+    // XWindowListener
+
+    virtual void SAL_CALL windowResized (const css::awt::WindowEvent& rEvent) override;
+
+    virtual void SAL_CALL windowMoved (const css::awt::WindowEvent& rEvent) override;
+
+    virtual void SAL_CALL windowShown (const css::lang::EventObject& rEvent) override;
+
+    virtual void SAL_CALL windowHidden (const css::lang::EventObject& rEvent) override;
+
+    // lang::XEventListener
+
+    virtual void SAL_CALL disposing (const css::lang::EventObject& rEvent) override;
+
+protected:
+    ::rtl::Reference<PresenterController> mpPresenterController;
+    css::uno::Reference<css::awt::XWindow> mxParentWindow;
+    css::uno::Reference<css::awt::XWindow> mxBorderWindow;
+    css::uno::Reference<css::rendering::XCanvas> mxBorderCanvas;
+    css::uno::Reference<css::awt::XWindow> mxContentWindow;
+    css::uno::Reference<css::rendering::XCanvas> mxContentCanvas;
+    css::uno::Reference<css::drawing::framework::XResourceId> mxPaneId;
+    css::uno::Reference<css::drawing::framework::XPaneBorderPainter> mxBorderPainter;
+    css::uno::Reference<css::drawing::XPresenterHelper> mxPresenterHelper;
+    OUString msTitle;
+    css::uno::Reference<css::uno::XComponentContext> mxComponentContext;
+
+    virtual void CreateCanvases (
+        const css::uno::Reference<css::rendering::XSpriteCanvas>& rxParentCanvas) = 0;
+
+    void CreateWindows (
+        const bool bIsWindowVisibleOnCreation);
+    void PaintBorder (const css::awt::Rectangle& rUpdateRectangle);
+    void ToTop();
+    void LayoutContextWindow();
+    bool IsVisible() const;
+
+    /** @throws css::lang::DisposedException when the object has already been
+        disposed.
+    */
+    void ThrowIfDisposed();
+};
+
+} // end of namespace ::sd::presenter
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */