    /* -*- 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 .
     */

    #include <com/sun/star/lang/XMultiServiceFactory.hpp>
    #include <com/sun/star/beans/XPropertySet.hpp>

    #include <PresentationViewShell.hxx>
    #include <optsitem.hxx>
    #include <sddll.hxx>
    #include <sfx2/request.hxx>
    #include <sfx2/dispatch.hxx>
    #include <sfx2/objface.hxx>
    #include <svx/svxids.hrc>
    #include <svx/ruler.hxx>
    #include <FrameView.hxx>
    #include <DrawDocShell.hxx>
    #include <slideshow.hxx>
    #include <sdattr.hxx>
    #include <sdpage.hxx>
    #include <drawdoc.hxx>
    #include <drawview.hxx>
    #include <app.hrc>
    #include <ViewShellBase.hxx>
    #include <FactoryIds.hxx>

    #include <fupoor.hxx>
    #include <Window.hxx>

    #define ShellClass_PresentationViewShell
    using namespace sd;
    #include <sdslots.hxx>

    using namespace ::com::sun::star::uno;
    using namespace ::com::sun::star::lang;
    using namespace ::com::sun::star::beans;

    namespace sd {

    SFX_IMPL_INTERFACE(PresentationViewShell, DrawViewShell)

    void PresentationViewShell::InitInterface_Impl()
    {
        GetStaticInterface()->RegisterObjectBar(SFX_OBJECTBAR_TOOLS, SfxVisibilityFlags::Standard | SfxVisibilityFlags::FullScreen | SfxVisibilityFlags::Server,
                                                ToolbarId::Draw_Toolbox_Sd);
        GetStaticInterface()->RegisterObjectBar(SFX_OBJECTBAR_APPLICATION, SfxVisibilityFlags::Standard | SfxVisibilityFlags::Client | SfxVisibilityFlags::Viewer | SfxVisibilityFlags::ReadonlyDoc,
                                                ToolbarId::Draw_Viewer_Toolbox);
        GetStaticInterface()->RegisterObjectBar(SFX_OBJECTBAR_OPTIONS, SfxVisibilityFlags::Standard | SfxVisibilityFlags::Server,
                                                ToolbarId::Draw_Options_Toolbox);
        GetStaticInterface()->RegisterObjectBar(SFX_OBJECTBAR_COMMONTASK, SfxVisibilityFlags::Standard | SfxVisibilityFlags::Server,
                                                ToolbarId::Draw_CommonTask_Toolbox);
    }

    PresentationViewShell::PresentationViewShell( ViewShellBase& rViewShellBase, vcl::Window* pParentWindow, FrameView* pFrameView)
    : DrawViewShell( rViewShellBase, pParentWindow, PageKind::Standard, pFrameView)
    {
        if( GetDocSh() && GetDocSh()->GetCreateMode() == SfxObjectCreateMode::EMBEDDED )
            maOldVisArea = GetDocSh()->GetVisArea( ASPECT_CONTENT );
        meShellType = ST_PRESENTATION;
    }

    PresentationViewShell::~PresentationViewShell()
    {
        if( GetDocSh() && GetDocSh()->GetCreateMode() == SfxObjectCreateMode::EMBEDDED && !maOldVisArea.IsEmpty() )
            GetDocSh()->SetVisArea( maOldVisArea );
    }

    void PresentationViewShell::FinishInitialization( FrameView* pFrameView )
    {
        DrawViewShell::Init(true);

        // Use the frame view that comes form the view shell that initiated our
        // creation.
        if (pFrameView != nullptr)
        {
            GetFrameView()->Disconnect();
            SetFrameView (pFrameView);
            pFrameView->Connect();
        }
        SetRuler(false);
        WriteFrameViewData();

        GetActiveWindow()->GrabFocus();
    }

    VclPtr<SvxRuler> PresentationViewShell::CreateHRuler(::sd::Window*)
    {
        return nullptr;
    }

    VclPtr<SvxRuler> PresentationViewShell::CreateVRuler(::sd::Window*)
    {
        return nullptr;
    }

    void PresentationViewShell::Activate( bool bIsMDIActivate )
    {
        DrawViewShell::Activate( bIsMDIActivate );

        if( bIsMDIActivate )
        {
            SfxBoolItem aItem( SID_NAVIGATOR_INIT, true );

            GetViewFrame()->GetDispatcher()->ExecuteList(SID_NAVIGATOR_INIT,
                    SfxCallMode::ASYNCHRON | SfxCallMode::RECORD, { &aItem });

            rtl::Reference< SlideShow > xSlideShow( SlideShow::GetSlideShow( GetViewShellBase() ) );
            if( xSlideShow.is() )
                xSlideShow->activate(GetViewShellBase());

            if( HasCurrentFunction() )
                GetCurrentFunction()->Activate();
        }

        if( bIsMDIActivate )
            ReadFrameViewData( mpFrameView );
        GetDocSh()->Connect( this );
    }

    void PresentationViewShell::Paint( const ::tools::Rectangle& /*rRect*/, ::sd::Window* )
    {
        rtl::Reference< SlideShow > xSlideShow( SlideShow::GetSlideShow( GetViewShellBase() ) );
        if( xSlideShow.is() )
            xSlideShow->paint();
    }

    void PresentationViewShell::Resize()
    {
        ViewShell::Resize(); // do not call DrawViewShell here!

        rtl::Reference< sd::SlideShow > xSlideshow( SlideShow::GetSlideShow( GetViewShellBase() ) );
        if( xSlideshow.is() )
            xSlideshow->resize(maViewSize);
    }

    } // end of namespace sd

    /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

↑ V581 The conditional expressions of the 'if' statements situated alongside each other are identical. Check lines: 116, 131.