/* -*- 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 <funavig.hxx>

#include <sfx2/viewfrm.hxx>

#include <app.hrc>

#include <sdpage.hxx>

#include <sfx2/bindings.hxx>

#include <sfx2/request.hxx>

#include <drawdoc.hxx>

#include <DrawViewShell.hxx>

#include <ViewShell.hxx>

#include <slideshow.hxx>

#include <svx/svxids.hrc>

#include <svx/dialog/gotodlg.hxx>

#include <strings.hrc>

#include <sdresid.hxx>

namespace sd {

FuNavigation::FuNavigation (

    ViewShell& rViewSh,

    ::sd::Window* pWin,

    ::sd::View* pView,

    SdDrawDocument& rDoc,

    SfxRequest& rReq)

    : FuPoor(rViewSh, pWin, pView, rDoc, rReq)

{

}

rtl::Reference<FuPoor> FuNavigation::Create( ViewShell& rViewSh, ::sd::Window* pWin, ::sd::View* pView, SdDrawDocument& rDoc, SfxRequest& rReq )

{

    rtl::Reference<FuPoor> xFunc( new FuNavigation( rViewSh, pWin, pView, rDoc, rReq ) );

    xFunc->DoExecute(rReq);

    return xFunc;

}

void FuNavigation::DoExecute( SfxRequest& rReq )

{

    bool bSlideShow = SlideShow::IsRunning( mrViewShell.GetViewShellBase() )

        && !SlideShow::IsInteractiveSlideshow( mrViewShell.GetViewShellBase() ); // IASS

    switch ( rReq.GetSlot() )

    {

        case SID_GO_TO_FIRST_PAGE:

        {

            if (!mpView->IsTextEdit()

                && dynamic_cast< const DrawViewShell *>( &mrViewShell ) !=  nullptr

                && !bSlideShow)

            {

               // jump to first page

               static_cast<DrawViewShell*>(&mrViewShell)->SwitchPage(0);

            }

        }

        break;

        case SID_GO_TO_PREVIOUS_PAGE:

        {

            if( !bSlideShow)

                if( auto pDrawViewShell = dynamic_cast<DrawViewShell *>( &mrViewShell ) )

                {

                    // With no modifier pressed we move to the previous

                    // slide.

                    mpView->SdrEndTextEdit();

                    // Previous page.

                    SdPage* pPage = pDrawViewShell->GetActualPage();

                    sal_uInt16 nSdPage = (pPage->GetPageNum() - 1) / 2;

                    if (nSdPage > 0)

                    {

                        // Switch the page and send events regarding

                        // deactivation the old page and activating the new

                        // one.

                        TabControl& rPageTabControl =

                            static_cast<DrawViewShell*>(&mrViewShell)

                            ->GetPageTabControl();

                        if (rPageTabControl.IsReallyShown())

                            rPageTabControl.SendDeactivatePageEvent ();

                        static_cast<DrawViewShell*>(&mrViewShell)->SwitchPage(nSdPage - 1);

                        if (rPageTabControl.IsReallyShown())

                            rPageTabControl.SendActivatePageEvent ();

                    }

                }

        }

        break;

        case SID_GO_TO_NEXT_PAGE:

        {

            if( !bSlideShow)

                if( auto pDrawViewShell = dynamic_cast<DrawViewShell *>( &mrViewShell ))

                {

                    // With no modifier pressed we move to the next slide.

                    mpView->SdrEndTextEdit();

                    // Next page.

                    SdPage* pPage = pDrawViewShell->GetActualPage();

                    sal_uInt16 nSdPage = (pPage->GetPageNum() - 1) / 2;

                    if (nSdPage < mrDoc.GetSdPageCount(pPage->GetPageKind()) - 1)

                    {

                        // Switch the page and send events regarding

                        // deactivation the old page and activating the new

                        // one.

                        TabControl& rPageTabControl =

                            static_cast<DrawViewShell*>(&mrViewShell)->GetPageTabControl();

                        if (rPageTabControl.IsReallyShown())

                            rPageTabControl.SendDeactivatePageEvent ();

                        static_cast<DrawViewShell*>(&mrViewShell)->SwitchPage(nSdPage + 1);

                        if (rPageTabControl.IsReallyShown())

                            rPageTabControl.SendActivatePageEvent ();

                    }

                }

        }

        break;

        case SID_GO_TO_LAST_PAGE:

        {

            if (!mpView->IsTextEdit() && !bSlideShow)

                if (auto pDrawViewShell = dynamic_cast<DrawViewShell *>( &mrViewShell ))

                {

                    // jump to last page

                    SdPage* pPage = pDrawViewShell->GetActualPage();

                    pDrawViewShell->SwitchPage(mrDoc.GetSdPageCount(

                            pPage->GetPageKind()) - 1);

                }

        }

        break;

        case SID_GO_TO_PAGE:

        {

            if( !bSlideShow)

                if(auto pDrawViewShell = dynamic_cast<DrawViewShell *>( &mrViewShell ))

                {

                    OUString sTitle = SdResId(STR_GOTO_PAGE_DLG_TITLE);

                    OUString sLabel = SdResId(STR_PAGE_NAME) + ":";

                    if (mrDoc.GetDocumentType() == DocumentType::Impress)

                    {

                        sTitle = SdResId(STR_GOTO_SLIDE_DLG_TITLE);

                        sLabel = SdResId(STR_SLIDE_NAME) + ":";

                    }

                    std::shared_ptr<SfxRequest> xRequest = std::make_shared<SfxRequest>(rReq);

                    rReq.Ignore(); // the 'old' request is not relevant any more

                    auto xDialog = std::make_shared<svx::GotoPageDlg>(pDrawViewShell->GetFrameWeld(), sTitle, sLabel,

                        pDrawViewShell->GetCurPagePos() + 1,

                        mrDoc.GetSdPageCount(PageKind::Standard));

                    rtl::Reference<FuNavigation> xThis( this ); // avoid destruction within async processing

                    weld::DialogController::runAsync(xDialog, [xDialog, xRequest=std::move(xRequest), xThis](sal_uInt32 nResult) {

                        if (nResult == RET_OK)

                        {

                            DrawViewShell& rDrawViewShell2 = dynamic_cast<DrawViewShell&>(xThis->mrViewShell);

                            rDrawViewShell2.SwitchPage(xDialog->GetPageSelection() - 1);

                        }

                        xThis->Finish();

                        xRequest->Done();

                    });

                    return;

                }

        }

        break;

    }

    Finish();

}

void FuNavigation::Finish()

{

    // Refresh toolbar icons

    SfxBindings& rBindings = mrViewShell.GetViewFrame()->GetBindings();

    rBindings.Invalidate(SID_GO_TO_FIRST_PAGE);

    rBindings.Invalidate(SID_GO_TO_PREVIOUS_PAGE);

    rBindings.Invalidate(SID_GO_TO_NEXT_PAGE);

    rBindings.Invalidate(SID_GO_TO_LAST_PAGE);

}

} // end of namespace sd

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