/* -*- 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 <sdr/properties/e3dsceneproperties.hxx>

#include <svl/itemset.hxx>

#include <svl/whiter.hxx>

#include <svx/svddef.hxx>

#include <svx/scene3d.hxx>

#include <osl/diagnose.h>

#include <memory>

namespace sdr::properties

{

        E3dSceneProperties::E3dSceneProperties(SdrObject& rObj)

        :   E3dProperties(rObj)

        {

        }

        E3dSceneProperties::E3dSceneProperties(const E3dSceneProperties& rProps, SdrObject& rObj)

        :   E3dProperties(rProps, rObj)

        {

        }

        E3dSceneProperties::~E3dSceneProperties()

        {

        }

        std::unique_ptr<BaseProperties> E3dSceneProperties::Clone(SdrObject& rObj) const

        {

            return std::unique_ptr<BaseProperties>(new E3dSceneProperties(*this, rObj));

        }

        const SfxItemSet& E3dSceneProperties::GetMergedItemSet() const

        {

            // prepare ItemSet

            if(moItemSet)

            {

                // filter for SDRATTR_3DSCENE_ items, only keep those items

                SfxItemSet aNew(SfxItemSet::makeFixedSfxItemSet<SDRATTR_3DSCENE_FIRST, SDRATTR_3DSCENE_LAST>(*moItemSet->GetPool()));

                aNew.Put(*moItemSet);

                moItemSet->ClearItem();

                moItemSet->Put(aNew);

            }

            else

            {

                // No ItemSet yet, force local ItemSet

                GetObjectItemSet();

            }

            // collect all ItemSets of contained 3d objects

            const SdrObjList* pSub(static_cast<const E3dScene&>(GetSdrObject()).GetSubList());

            OSL_ENSURE(nullptr != pSub, "Children of SdrObject expected (!)");

            if (pSub)

                for (const rtl::Reference<SdrObject>& pObj : *pSub)

                {

                    if(dynamic_cast<const E3dCompoundObject* >(pObj.get()))

                    {

                        const SfxItemSet& rSet = pObj->GetMergedItemSet();

                        SfxWhichIter aIter(rSet);

                        sal_uInt16 nWhich(aIter.FirstWhich());

                        while(nWhich)

                        {

                            // Leave out the SDRATTR_3DSCENE_ range, this would only be double

                            // and always equal.

                            if(nWhich <= SDRATTR_3DSCENE_FIRST || nWhich >= SDRATTR_3DSCENE_LAST)

                            {

                                if(SfxItemState::INVALID == aIter.GetItemState(false))

                                {

                                    moItemSet->InvalidateItem(nWhich);

                                }

                                else

                                {

                                    moItemSet->MergeValue(rSet.Get(nWhich));

                                }

                            }

                            nWhich = aIter.NextWhich();

                        }

                    }

                }

            // call parent

            return E3dProperties::GetMergedItemSet();

        }

        void E3dSceneProperties::SetMergedItemSet(const SfxItemSet& rSet, bool bClearAllItems, bool bAdjustTextFrameWidthAndHeight)

        {

            // Set SDRATTR_3DOBJ_ range at contained objects.

            const SdrObjList* pSub(static_cast<const E3dScene&>(GetSdrObject()).GetSubList());

            OSL_ENSURE(nullptr != pSub, "Children of SdrObject expected (!)");

            const size_t nCount(nullptr == pSub ? 0 : pSub->GetObjCount());

            if(nCount)

            {

                // Generate filtered ItemSet which contains all but the SDRATTR_3DSCENE items.

                // #i50808# Leak fix, Clone produces a new instance and we get ownership here

                std::unique_ptr<SfxItemSet> xNewSet(rSet.Clone());

                for(sal_uInt16 b(SDRATTR_3DSCENE_FIRST); b <= SDRATTR_3DSCENE_LAST; b++)

                {

                    xNewSet->ClearItem(b);

                }

                if(xNewSet->Count())

                {

                    for (const rtl::Reference<SdrObject>& pObj : *pSub)

                    {

                        if(dynamic_cast<const E3dCompoundObject* >(pObj.get()))

                        {

                            // set merged ItemSet at contained 3d object.

                            pObj->SetMergedItemSet(*xNewSet, bClearAllItems, bAdjustTextFrameWidthAndHeight);

                        }

                    }

                }

            }

            // call parent. This will set items on local object, too.

            E3dProperties::SetMergedItemSet(rSet, bClearAllItems, bAdjustTextFrameWidthAndHeight);

        }

        void E3dSceneProperties::SetMergedItem(const SfxPoolItem& rItem)

        {

            const SdrObjList* pSub(static_cast<const E3dScene&>(GetSdrObject()).GetSubList());

            OSL_ENSURE(nullptr != pSub, "Children of SdrObject expected (!)");

            if (pSub)

                for (const rtl::Reference<SdrObject>& pObj : *pSub)

                    pObj->SetMergedItem(rItem);

            // #i43809# call parent. This will set items on local object, too.

            E3dProperties::SetMergedItem(rItem);

        }

        void E3dSceneProperties::ClearMergedItem(const sal_uInt16 nWhich)

        {

            const SdrObjList* pSub(static_cast<const E3dScene&>(GetSdrObject()).GetSubList());

            OSL_ENSURE(nullptr != pSub, "Children of SdrObject expected (!)");

            if (pSub)

                for (const rtl::Reference<SdrObject>& pObj : *pSub)

                    pObj->ClearMergedItem(nWhich);

            // #i43809# call parent. This will clear items on local object, too.

            E3dProperties::ClearMergedItem(nWhich);

        }

        void E3dSceneProperties::PostItemChange(const sal_uInt16 nWhich)

        {

            // call parent

            E3dProperties::PostItemChange(nWhich);

            // local changes

            E3dScene& rObj = static_cast<E3dScene&>(GetSdrObject());

            rObj.StructureChanged();

            switch(nWhich)

            {

                case SDRATTR_3DSCENE_PERSPECTIVE            :

                case SDRATTR_3DSCENE_DISTANCE               :

                case SDRATTR_3DSCENE_FOCAL_LENGTH           :

                {

                    // #83387#, #83391#

                    // one common function for the camera attributes

                    // since SetCamera() sets all three back to the ItemSet

                    Camera3D aSceneCam(rObj.GetCamera());

                    bool bChange(false);

                    // for SDRATTR_3DSCENE_PERSPECTIVE:

                    if(aSceneCam.GetProjection() != rObj.GetPerspective())

                    {

                        aSceneCam.SetProjection(rObj.GetPerspective());

                        bChange = true;

                    }

                    // for SDRATTR_3DSCENE_DISTANCE:

                    basegfx::B3DPoint aActualPosition(aSceneCam.GetPosition());

                    double fNew = rObj.GetDistance();

                    if(fNew != aActualPosition.getZ())

                    {

                        aSceneCam.SetPosition(basegfx::B3DPoint(aActualPosition.getX(), aActualPosition.getY(), fNew));

                        bChange = true;

                    }

                    // for SDRATTR_3DSCENE_FOCAL_LENGTH:

                    fNew = rObj.GetFocalLength() / 100.0;

                    if(aSceneCam.GetFocalLength() != fNew)

                    {

                        aSceneCam.SetFocalLength(fNew);

                        bChange = true;

                    }

                    // for all

                    if(bChange)

                    {

                        rObj.SetCamera(aSceneCam);

                    }

                    break;

                }

            }

        }

        void E3dSceneProperties::SetStyleSheet(SfxStyleSheet* pNewStyleSheet, bool bDontRemoveHardAttr,

                bool bBroadcast, bool bAdjustTextFrameWidthAndHeight)

        {

            const SdrObjList* pSub(static_cast<const E3dScene&>(GetSdrObject()).GetSubList());

            OSL_ENSURE(nullptr != pSub, "Children of SdrObject expected (!)");

            if (!pSub)

                return;

            for (const rtl::Reference<SdrObject>& pObj : *pSub)

            {

                if(bBroadcast)

                    pObj->SetStyleSheet(pNewStyleSheet, bDontRemoveHardAttr);

                else

                    pObj->NbcSetStyleSheet(pNewStyleSheet, bDontRemoveHardAttr, bAdjustTextFrameWidthAndHeight);

            }

        }

        SfxStyleSheet* E3dSceneProperties::GetStyleSheet() const

        {

            SfxStyleSheet* pRetval = nullptr;

            const SdrObjList* pSub(static_cast<const E3dScene&>(GetSdrObject()).GetSubList());

            OSL_ENSURE(nullptr != pSub, "Children of SdrObject expected (!)");

            if (!pSub)

                return pRetval;

            for (const rtl::Reference<SdrObject>& pObj : *pSub)

            {

                SfxStyleSheet* pCandidate = pObj->GetStyleSheet();

                if(pRetval)

                {

                    if(pCandidate != pRetval)

                    {

                        // different StyleSheelts, return none

                        return nullptr;

                    }

                }

                else

                {

                    pRetval = pCandidate;

                }

            }

            return pRetval;

        }

        void E3dSceneProperties::SetSceneItemsFromCamera()

        {

            // force ItemSet

            GetObjectItemSet();

            E3dScene& rObj = static_cast<E3dScene&>(GetSdrObject());

            const Camera3D& aSceneCam(rObj.GetCamera());

            // ProjectionType

            moItemSet->Put(Svx3DPerspectiveItem(aSceneCam.GetProjection()));

            // CamPos

            moItemSet->Put(makeSvx3DDistanceItem(static_cast<sal_uInt32>(aSceneCam.GetPosition().getZ() + 0.5)));

            // FocalLength

            moItemSet->Put(makeSvx3DFocalLengthItem(static_cast<sal_uInt32>((aSceneCam.GetFocalLength() * 100.0) + 0.5)));

        }

} // end of namespace

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