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diff --git a/sd/source/ui/inc/slideshow.hxx b/sd/source/ui/inc/slideshow.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_SD_SOURCE_UI_INC_SLIDESHOW_HXX
+#define INCLUDED_SD_SOURCE_UI_INC_SLIDESHOW_HXX
+
+#include <com/sun/star/presentation/XPresentation2.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+
+#include <rtl/ref.hxx>
+
+#include <tools/link.hxx>
+
+#include <cppuhelper/compbase.hxx>
+#include <cppuhelper/basemutex.hxx>
+
+#include <editeng/unoipset.hxx>
+
+#include <memory>
+
+namespace com::sun::star {
+    namespace drawing {
+        class XDrawPage;
+    }
+    namespace animations {
+        class XAnimationNode;
+    }
+}
+class SdDrawDocument;
+class KeyEvent;
+class OutputDevice;
+class Size;
+namespace vcl { class Window; }
+class SfxRequest;
+class WorkWindow;
+class CommandSwipeData;
+class CommandLongPressData;
+struct ImplSVEvent;
+
+// TODO: Remove
+#define PAGE_NO_END         65535
+
+/* Definition of SlideShow class */
+
+namespace sd
+{
+
+class SlideshowImpl;
+class View;
+class ViewShell;
+class ViewShellBase;
+struct PresentationSettingsEx;
+class FrameView;
+
+enum AnimationMode
+{
+    ANIMATIONMODE_SHOW,
+    ANIMATIONMODE_PREVIEW
+};
+
+typedef ::cppu::WeakComponentImplHelper< css::presentation::XPresentation2, css::lang::XServiceInfo > SlideshowBase;
+
+class SlideShow : private ::cppu::BaseMutex, public SlideshowBase
+{
+public:
+    /// used by the model to create a slideshow for it
+    static rtl::Reference< SlideShow > Create( SdDrawDocument* pDoc );
+
+    // static helper api
+    static rtl::Reference< SlideShow > GetSlideShow( SdDrawDocument const * pDocument );
+    static rtl::Reference< SlideShow > GetSlideShow( SdDrawDocument const & rDocument );
+    static rtl::Reference< SlideShow > GetSlideShow( ViewShellBase const & rBase );
+
+    static css::uno::Reference< css::presentation::XSlideShowController > GetSlideShowController(ViewShellBase const & rBase );
+
+    static bool StartPreview( ViewShellBase const & rBase,
+        const css::uno::Reference< css::drawing::XDrawPage >& xDrawPage,
+        const css::uno::Reference< css::animations::XAnimationNode >& xAnimationNode );
+
+    static void Stop( ViewShellBase const & rBase );
+
+    /// returns true if there is a running presentation for the given ViewShellBase
+    static bool IsRunning( ViewShellBase const & rBase );
+
+    /// returns true if there is a running presentation inside the given ViewShell
+    /// returns false even if there is a running presentation but in another ViewShell
+    static bool IsRunning( ViewShell& rViewShell );
+
+    // helper api
+
+    void startPreview(
+        const css::uno::Reference< css::drawing::XDrawPage >& xDrawPage,
+        const css::uno::Reference< css::animations::XAnimationNode >& xAnimationNode );
+
+    // uno api
+
+        virtual void SAL_CALL disposing() override;
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName(  ) override;
+    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;
+
+    // XPropertySet
+    virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL getPropertySetInfo(  ) override;
+    virtual void SAL_CALL setPropertyValue( const OUString& aPropertyName, const css::uno::Any& aValue ) override;
+    virtual css::uno::Any SAL_CALL getPropertyValue( const OUString& PropertyName ) override;
+    virtual void SAL_CALL addPropertyChangeListener( const OUString& aPropertyName, const css::uno::Reference< css::beans::XPropertyChangeListener >& xListener ) override;
+    virtual void SAL_CALL removePropertyChangeListener( const OUString& aPropertyName, const css::uno::Reference< css::beans::XPropertyChangeListener >& aListener ) override;
+    virtual void SAL_CALL addVetoableChangeListener( const OUString& PropertyName, const css::uno::Reference< css::beans::XVetoableChangeListener >& aListener ) override;
+    virtual void SAL_CALL removeVetoableChangeListener( const OUString& PropertyName, const css::uno::Reference< css::beans::XVetoableChangeListener >& aListener ) override;
+
+    // XPresentation
+    virtual void SAL_CALL start(  ) override;
+    virtual void SAL_CALL end() override;
+    virtual void SAL_CALL rehearseTimings(  ) override;
+
+    // XPresentation2
+    virtual void SAL_CALL startWithArguments(const css::uno::Sequence< css::beans::PropertyValue >& Arguments) override;
+    virtual sal_Bool SAL_CALL isRunning(  ) override;
+    virtual css::uno::Reference< css::presentation::XSlideShowController > SAL_CALL getController(  ) override;
+
+    // legacy api
+
+    // actions
+    void jumpToPageNumber( sal_Int32 nPage );               // a.k.a. FuSlideShow::JumpToPage()
+    void jumpToPageIndex( sal_Int32 nIndex );
+    void jumpToBookmark( const OUString& sBookmark );            // a.k.a. FuSlideShow::JumpToBookmark()
+
+    /** sets or clears the pause state of the running slideshow.
+        !!!! This should only be called by the SdShowWindow !!!!*/
+    void pause( bool bPause );
+    bool swipe(const CommandSwipeData &rSwipeData);
+    bool longpress(const CommandLongPressData& rLongPressData);
+
+    // settings
+    bool isFullScreen() const;                          // a.k.a. FuSlideShow::IsFullScreen()
+    OutputDevice* getShowWindow();                      // a.k.a. FuSlideShow::GetShowWindow()
+    int getAnimationMode() const;                       // a.k.a. FuSlideShow::GetAnimationMode()
+    sal_Int32 getCurrentPageNumber() const;             // a.k.a. FuSlideShow::GetCurrentPage()
+
+    // events
+    void resize( const Size &rSize );
+    // return false if the activate failed. callers should call end in response to failre
+    bool activate(ViewShellBase& rBase);
+    void deactivate();
+    void paint();
+
+    bool keyInput(const KeyEvent& rKEvt);
+
+    bool dependsOn( ViewShellBase const * pViewShellBase );
+
+    static sal_Int32 GetDisplay();
+
+    bool IsExitAfterPresenting() const;
+    void SetExitAfterPresenting(bool bExit);
+
+private:
+    SlideShow( SdDrawDocument* pDoc );
+
+    DECL_LINK( StartInPlacePresentationConfigurationHdl, void *, void );
+    void StartInPlacePresentationConfigurationCallback();
+
+    void StartInPlacePresentation();
+    void StartFullscreenPresentation();
+
+    /// @throws css::uno::RuntimeException
+    void ThrowIfDisposed() const;
+
+    void CreateController( ViewShell* pViewSh, ::sd::View* pView, vcl::Window* pParentWindow );
+    WorkWindow *GetWorkWindow();
+
+    SlideShow(const SlideShow&) = delete;
+    SlideShow& operator=( const SlideShow& ) = delete;
+
+    SvxItemPropertySet  maPropSet;
+
+    rtl::Reference< SlideshowImpl > mxController;
+    /** This flag is used together with mxController.is() to prevent
+        multiple instances of the slide show for one document.  The flag
+        covers the time before mxController is set.
+    */
+    bool mbIsInStartup;
+    SdDrawDocument* mpDoc;
+
+    std::shared_ptr< PresentationSettingsEx > mxCurrentSettings;
+
+    ViewShellBase* mpCurrentViewShellBase;
+    ViewShellBase* mpFullScreenViewShellBase;
+    FrameView* mpFullScreenFrameView;
+    ImplSVEvent * mnInPlaceConfigEvent;
+};
+
+namespace slideshowhelp
+{
+    void ShowSlideShow(SfxRequest const & rReq, SdDrawDocument &rDoc);
+}
+
+}
+
+#endif // INCLUDED_SD_SOURCE_UI_INC_SLIDESHOW_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */