/* -*- 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/embed/NoVisualAreaSizeException.hpp>

#include <com/sun/star/embed/XEmbeddedObject.hpp>

#include <svx/svditer.hxx>

#include <svx/svdograf.hxx>

#include <svx/svdoole2.hxx>

#include <svx/svdouno.hxx>

#include <svx/svdpage.hxx>

#include <svx/svdpagv.hxx>

#include <svx/svdundo.hxx>

#include <svtools/embedhlp.hxx>

#include <sfx2/objsh.hxx>

#include <sfx2/ipclient.hxx>

#include <toolkit/helper/vclunohelper.hxx>

#include <com/sun/star/embed/Aspects.hpp>

#include <osl/diagnose.h>

#include <document.hxx>

#include <viewfunc.hxx>

#include <tabvwsh.hxx>

#include <drawview.hxx>

#include <scmod.hxx>

#include <drwlayer.hxx>

#include <drwtrans.hxx>

#include <globstr.hrc>

#include <scresid.hxx>

#include <docuno.hxx>

#include <docsh.hxx>

#include <dragdata.hxx>

#include <gridwin.hxx>

#include <stlpool.hxx>

bool bPasteIsMove = false;

using namespace com::sun::star;

static void lcl_AdjustInsertPos( ScViewData& rData, Point& rPos, const Size& rSize )

{

    SdrPage* pPage = rData.GetScDrawView()->GetModel().GetPage( static_cast<sal_uInt16>(rData.CurrentTabForData()) );

    assert(pPage && "pPage ???");

    Size aPgSize( pPage->GetSize() );

    if (aPgSize.Width() < 0)

        aPgSize.setWidth( -aPgSize.Width() );

    tools::Long x = aPgSize.Width() - rPos.X() - rSize.Width();

    tools::Long y = aPgSize.Height() - rPos.Y() - rSize.Height();

    // if necessary: adjustments (80/200) for pixel approx. errors

    if( x < 0 )

        rPos.AdjustX(x + 80 );

    if( y < 0 )

        rPos.AdjustY(y + 200 );

    rPos.AdjustX(rSize.Width() / 2 );          // position at paste is center

    rPos.AdjustY(rSize.Height() / 2 );

}

void ScViewFunc::PasteDraw( const Point& rLogicPos, SdrModel* pModel,

        bool bGroup, std::u16string_view rSrcShellID, std::u16string_view rDestShellID )

{

    bool bSameDocClipboard = rSrcShellID == rDestShellID;

    MakeDrawLayer();

    Point aPos( rLogicPos );

    // MapMode at Outliner-RefDevice has to be right (as in FuText::MakeOutliner)

    //! merge with FuText::MakeOutliner?

    MapMode aOldMapMode;

    OutputDevice* pRef = GetViewData().GetDocument().GetDrawLayer()->GetRefDevice();

    if (pRef)

    {

        aOldMapMode = pRef->GetMapMode();

        pRef->SetMapMode( MapMode(MapUnit::Map100thMM) );

    }

    bool bNegativePage = GetViewData().GetDocument().IsNegativePage( GetViewData().CurrentTabForData() );

    SdrView* pDragEditView = nullptr;

    const ScDragData* pData = ScModule::get()->GetDragData();

    ScDrawTransferObj* pDrawTrans = pData ? pData->pDrawTransfer : nullptr;

    if (pDrawTrans)

    {

        pDragEditView = pDrawTrans->GetDragSourceView();

        aPos -= aDragStartDiff;

        if ( bNegativePage )

        {

            if (aPos.X() > 0) aPos.setX( 0 );

        }

        else

        {

            if (aPos.X() < 0) aPos.setX( 0 );

        }

        if (aPos.Y() < 0) aPos.setY( 0 );

    }

    ScDrawView* pScDrawView = GetScDrawView();

    if (bGroup)

        pScDrawView->BegUndo( ScResId( STR_UNDO_PASTE ) );

    bool bSameDoc = ( pDragEditView && &pDragEditView->GetModel() == &pScDrawView->GetModel() );

    if (bSameDoc)

    {

            // copy locally - incl. charts

        Point aSourceStart = pDragEditView->GetAllMarkedRect().TopLeft();

        tools::Long nDiffX = aPos.X() - aSourceStart.X();

        tools::Long nDiffY = aPos.Y() - aSourceStart.Y();

            // move within a page?

        if ( bPasteIsMove &&

                pScDrawView->GetSdrPageView()->GetPage() ==

                pDragEditView->GetSdrPageView()->GetPage() )

        {

            if ( nDiffX != 0 || nDiffY != 0 )

                pDragEditView->MoveAllMarked(Size(nDiffX,nDiffY));

        }

        else

        {

            SdrModel& rDrawModel = pDragEditView->GetModel();

            SCTAB nTab = GetViewData().CurrentTabForData();

            SdrPage* pDestPage = rDrawModel.GetPage( static_cast< sal_uInt16 >( nTab ) );

            OSL_ENSURE(pDestPage,"who is this, Page?");

            ::std::vector< OUString > aExcludedChartNames;

            if ( pDestPage )

            {

                ScChartHelper::GetChartNames( aExcludedChartNames, pDestPage );

            }

            const SdrMarkList& rMarkList = pDragEditView->GetMarkedObjectList();

            rMarkList.ForceSort();

            const size_t nMarkCnt=rMarkList.GetMarkCount();

            for (size_t nm=0; nm<nMarkCnt; ++nm) {

                const SdrMark* pM=rMarkList.GetMark(nm);

                const SdrObject* pObj=pM->GetMarkedSdrObj();

                // Directly Clone to target SdrModel

                rtl::Reference<SdrObject> pNewObj(pObj->CloneSdrObject(rDrawModel));

                if (pNewObj!=nullptr)

                {

                    //  copy graphics within the same model - always needs new name

                    if ( dynamic_cast<const SdrGrafObj*>( pNewObj.get()) !=  nullptr && !bPasteIsMove )

                        pNewObj->SetName(static_cast<ScDrawLayer*>(&rDrawModel)->GetNewGraphicName());

                    if (nDiffX!=0 || nDiffY!=0)

                        pNewObj->NbcMove(Size(nDiffX,nDiffY));

                    if (pDestPage)

                        pDestPage->InsertObject( pNewObj.get() );

                    pScDrawView->AddUndo(std::make_unique<SdrUndoInsertObj>( *pNewObj ));

                    if (ScDrawLayer::IsCellAnchored(*pNewObj))

                        ScDrawLayer::SetCellAnchoredFromPosition(*pNewObj, GetViewData().GetDocument(), nTab,

                                                                 ScDrawLayer::IsResizeWithCell(*pNewObj));

                }

            }

            if (bPasteIsMove)

                pDragEditView->DeleteMarked();

            ScDocument& rDocument = GetViewData().GetDocument();

            ScDocShell* pDocShell = GetViewData().GetDocShell();

            ScModelObj* pModelObj = ( pDocShell ? pDocShell->GetModel() : nullptr );

            if ( pDestPage && pModelObj && pDrawTrans )

            {

                const ScRangeListVector& rProtectedChartRangesVector( pDrawTrans->GetProtectedChartRangesVector() );

                ScChartHelper::CreateProtectedChartListenersAndNotify( rDocument, pDestPage, pModelObj, nTab,

                    rProtectedChartRangesVector, aExcludedChartNames, bSameDoc );

            }

        }

    }

    else

    {

        bPasteIsMove = false;       // no internal move happened

        SdrView aView(*pModel);     // #i71529# never create a base class of SdrView directly!

        SdrPageView* pPv = aView.ShowSdrPage(aView.GetModel().GetPage(0));

        aView.MarkAllObj(pPv);

        Size aSize = aView.GetAllMarkedRect().GetSize();

        lcl_AdjustInsertPos( GetViewData(), aPos, aSize );

        // don't change marking if OLE object is active

        // (at Drop from OLE object it would be deactivated in the middle of ExecuteDrag!)

        SdrInsertFlags nOptions = SdrInsertFlags::NONE;

        SfxInPlaceClient* pClient = GetViewData().GetViewShell()->GetIPClient();

        if ( pClient && pClient->IsObjectInPlaceActive() )

            nOptions |= SdrInsertFlags::DONTMARK;

        ::std::vector< OUString > aExcludedChartNames;

        SCTAB nTab = GetViewData().CurrentTabForData();

        SdrPage* pPage = pScDrawView->GetModel().GetPage( static_cast< sal_uInt16 >( nTab ) );

        OSL_ENSURE( pPage, "Page?" );

        if ( pPage )

        {

            ScChartHelper::GetChartNames( aExcludedChartNames, pPage );

        }

        if ( !bSameDocClipboard )

        {

            auto pPool = static_cast<ScStyleSheetPool*>(pScDrawView->GetModel().GetStyleSheetPool());

            pPool->CopyUsedGraphicStylesFrom(pModel->GetStyleSheetPool());

            // #89247# Set flag for ScDocument::UpdateChartListeners() which is

            // called during paste.

            GetViewData().GetDocument().SetPastingDrawFromOtherDoc( true );

        }

        pScDrawView->Paste(*pModel, aPos, nullptr, nOptions);

        if ( !bSameDocClipboard )

            GetViewData().GetDocument().SetPastingDrawFromOtherDoc( false );

        // Paste puts all objects on the active (front) layer

        // controls must be on SC_LAYER_CONTROLS

        if (pPage)

        {

            SdrObjListIter aIter( pPage, SdrIterMode::DeepNoGroups );

            SdrObject* pObject = aIter.Next();

            while (pObject)

            {

                if ( dynamic_cast<const SdrUnoObj*>( pObject) !=  nullptr && pObject->GetLayer() != SC_LAYER_CONTROLS )

                    pObject->NbcSetLayer(SC_LAYER_CONTROLS);

                if (ScDrawLayer::IsCellAnchored(*pObject))

                    ScDrawLayer::SetCellAnchoredFromPosition(*pObject, GetViewData().GetDocument(), nTab,

                                                             ScDrawLayer::IsResizeWithCell(*pObject));

                pObject = aIter.Next();

            }

        }

        // all graphics objects must have names

        GetViewData().GetDocument().EnsureGraphicNames();

        ScDocument& rDocument = GetViewData().GetDocument();

        ScDocShell* pDocShell = GetViewData().GetDocShell();

        ScModelObj* pModelObj = ( pDocShell ? pDocShell->GetModel() : nullptr );

        const ScDrawTransferObj* pTransferObj = ScDrawTransferObj::GetOwnClipboard(ScTabViewShell::GetClipData(GetViewData().GetActiveWin()));

        if ( pPage && pModelObj && ( pTransferObj || pDrawTrans ) )

        {

            const ScRangeListVector& rProtectedChartRangesVector(

                pTransferObj ? pTransferObj->GetProtectedChartRangesVector() : pDrawTrans->GetProtectedChartRangesVector() );

            ScChartHelper::CreateProtectedChartListenersAndNotify( rDocument, pPage, pModelObj, nTab,

                rProtectedChartRangesVector, aExcludedChartNames, bSameDocClipboard );

        }

    }

    if (bGroup)

    {

        pScDrawView->GroupMarked();

        pScDrawView->EndUndo();

    }

    if (pRef)

        pRef->SetMapMode( aOldMapMode );

    // GetViewData().GetViewShell()->SetDrawShell( true );

    // It is not sufficient to just set the DrawShell if we pasted, for

    // example, a chart.  SetDrawShellOrSub() would only work for D&D in the

    // same document but not if inserting from the clipboard, therefore

    // MarkListHasChanged() is what we need.

    pScDrawView->MarkListHasChanged();

}

bool ScViewFunc::PasteObject( const Point& rPos, const uno::Reference < embed::XEmbeddedObject >& xObj,

                                const Size* pDescSize, const Graphic* pReplGraph, const OUString& aMediaType, sal_Int64 nAspect )

{

    MakeDrawLayer();

    if ( xObj.is() )

    {

        OUString aName;

        //TODO/MBA: is that OK?

        comphelper::EmbeddedObjectContainer& aCnt = GetViewData().GetViewShell()->GetObjectShell()->GetEmbeddedObjectContainer();

        if ( !aCnt.HasEmbeddedObject( xObj ) )

            aCnt.InsertEmbeddedObject( xObj, aName );

        else

            aName = aCnt.GetEmbeddedObjectName( xObj );

        svt::EmbeddedObjectRef aObjRef( xObj, nAspect );

        if ( pReplGraph )

            aObjRef.SetGraphic( *pReplGraph, aMediaType );

        Size aSize;

        if ( nAspect == embed::Aspects::MSOLE_ICON )

        {

            MapMode aMapMode( MapUnit::Map100thMM );

            aSize = aObjRef.GetSize( &aMapMode );

        }

        else

        {

            // working with visual area can switch object to running state

            MapUnit aMapObj = VCLUnoHelper::UnoEmbed2VCLMapUnit( xObj->getMapUnit( nAspect ) );

            MapUnit aMap100 = MapUnit::Map100thMM;

            if ( pDescSize && pDescSize->Width() && pDescSize->Height() )

            {

                // use size from object descriptor if given

                aSize = OutputDevice::LogicToLogic(*pDescSize, MapMode(aMap100), MapMode(aMapObj));

                awt::Size aSz;

                aSz.Width = aSize.Width();

                aSz.Height = aSize.Height();

                xObj->setVisualAreaSize( nAspect, aSz );

            }

            awt::Size aSz;

            try

            {

                aSz = xObj->getVisualAreaSize( nAspect );

            }

            catch ( embed::NoVisualAreaSizeException& )

            {

                // the default size will be set later

            }

            aSize = Size( aSz.Width, aSz.Height );

            aSize = OutputDevice::LogicToLogic(aSize, MapMode(aMapObj), MapMode(aMap100)); // for SdrOle2Obj

            if( aSize.IsEmpty() )

            {

                OSL_FAIL("SvObjectDescriptor::GetSize == 0");

                aSize.setWidth( 5000 );

                aSize.setHeight( 5000 );

                aSize = OutputDevice::LogicToLogic(aSize, MapMode(aMap100), MapMode(aMapObj));

                aSz.Width = aSize.Width();

                aSz.Height = aSize.Height();

                xObj->setVisualAreaSize( nAspect, aSz );

            }

        }

        // don't call AdjustInsertPos

        Point aInsPos = rPos;

        if ( GetViewData().GetDocument().IsNegativePage( GetViewData().CurrentTabForData() ) )

            aInsPos.AdjustX( -(aSize.Width()) );

        tools::Rectangle aRect( aInsPos, aSize );

        ScDrawView* pDrView = GetScDrawView();

        rtl::Reference<SdrOle2Obj> pSdrObj = new SdrOle2Obj(

            pDrView->getSdrModelFromSdrView(),

            aObjRef,

            aName,

            aRect);

        SdrPageView* pPV = pDrView->GetSdrPageView();

        pDrView->InsertObjectSafe( pSdrObj.get(), *pPV );             // don't mark if OLE

        GetViewData().GetViewShell()->SetDrawShell( true );

        return true;

    }

    else

        return false;

}

bool ScViewFunc::PasteBitmap( const Point& rPos, const Bitmap& rBmp )

{

    Graphic aGraphic(rBmp);

    return PasteGraphic( rPos, aGraphic, u""_ustr );

}

bool ScViewFunc::PasteMetaFile( const Point& rPos, const GDIMetaFile& rMtf )

{

    Graphic aGraphic(rMtf);

    return PasteGraphic( rPos, aGraphic, u""_ustr );

}

bool ScViewFunc::PasteGraphic( const Point& rPos, const Graphic& rGraphic,

                                const OUString& rFile )

{

    MakeDrawLayer();

    ScDrawView* pScDrawView = GetScDrawView();

    if (!pScDrawView)

        return false;

    // #i123922# check if the drop was over an existing object; if yes, evtl. replace

    // the graphic for a SdrGraphObj (including link state updates) or adapt the fill

    // style for other objects

    SdrPageView* pPageView = pScDrawView->GetSdrPageView();

    if (pPageView)

    {

        SdrObject* pPickObj = pScDrawView->PickObj(rPos, pScDrawView->getHitTolLog(), pPageView);

        if (pPickObj)

        {

            const OUString aBeginUndo(ScResId(STR_UNDO_DRAGDROP));

            SdrObject* pResult = pScDrawView->ApplyGraphicToObject(

                *pPickObj,

                rGraphic,

                aBeginUndo,

                rFile);

            if (pResult)

            {

                // we are done; mark the modified/new object

                pScDrawView->MarkObj(pResult, pScDrawView->GetSdrPageView());

                return true;

            }

        }

    }

    Point aPos( rPos );

    vcl::Window* pWin = GetActiveWin();

    MapMode aSourceMap = rGraphic.GetPrefMapMode();

    MapMode aDestMap( MapUnit::Map100thMM );

    if (aSourceMap.GetMapUnit() == MapUnit::MapPixel)

    {

        // consider pixel correction, so bitmap fits to screen

        Fraction aScaleX, aScaleY;

        pScDrawView->CalcNormScale( aScaleX, aScaleY );

        aDestMap.SetScaleX(aScaleX);

        aDestMap.SetScaleY(aScaleY);

    }

    Size aSize = pWin->LogicToLogic( rGraphic.GetPrefSize(), &aSourceMap, &aDestMap );

    if ( GetViewData().GetDocument().IsNegativePage( GetViewData().CurrentTabForData() ) )

        aPos.AdjustX( -(aSize.Width()) );

    GetViewData().GetViewShell()->SetDrawShell( true );

    tools::Rectangle aRect(aPos, aSize);

    rtl::Reference<SdrGrafObj> pGrafObj = new SdrGrafObj(

        pScDrawView->getSdrModelFromSdrView(),

        rGraphic,

        aRect);

    // path was the name of the graphic in history

    ScDrawLayer* pLayer = static_cast<ScDrawLayer*>(&pScDrawView->GetModel());

    OUString aName = pLayer->GetNewGraphicName();                 // "Graphics"

    pGrafObj->SetName(aName);

    // don't mark if OLE

    bool bSuccess = pScDrawView->InsertObjectSafe(pGrafObj.get(), *pScDrawView->GetSdrPageView());

    // SetGraphicLink has to be used after inserting the object,

    // otherwise an empty graphic is swapped in and the contact stuff crashes.

    // See #i37444#.

    if (bSuccess && !rFile.isEmpty())

        pGrafObj->SetGraphicLink( rFile );

    return bSuccess;

}

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