dcontact.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.
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 * 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_SW_INC_DCONTACT_HXX
#define INCLUDED_SW_INC_DCONTACT_HXX

#include <svx/svdobj.hxx>
#include <svx/svdovirt.hxx>
#include "fmtanchr.hxx"
#include "frmfmt.hxx"
#include <list>
#include <vector>
#include <memory>

#include "calbck.hxx"
#include "anchoreddrawobject.hxx"

class SwFlyFrame;
class SwFrame;
class SwPageFrame;
class SwVirtFlyDrawObj;
class SwFlyDrawObj;
class SwRect;
class SwDrawContact;
struct SwPosition;
class SdrTextObj;
class SwContact;

SW_DLLPUBLIC SwFrameFormat *FindFrameFormat( SdrObject *pObj );
inline const SwFrameFormat *FindFrameFormat( const SdrObject *pObj )
{   return ::FindFrameFormat( const_cast<SdrObject*>(pObj) ); }
bool HasWrap( const SdrObject* pObj );

void setContextWritingMode( SdrObject* pObj, SwFrame const * pAnchor );

SwRect GetBoundRectOfAnchoredObj( const SdrObject* pObj );

SwContact* GetUserCall( const SdrObject* );

bool IsMarqueeTextObj( const SdrObject& rObj );

class SW_DLLPUBLIC SwContact : public SdrObjUserCall, public SwClient
{
    bool mbInDTOR;

    void MoveObjToLayer( const bool _bToVisible,
                          SdrObject* _pDrawObj );

protected:
    void SetInDTOR();
    virtual void SwClientNotify(const SwModify&, const SfxHint& rHint) override;

public:

    SwContact( SwFrameFormat *pToRegisterIn );
    virtual ~SwContact() override;

    virtual const SwAnchoredObject* GetAnchoredObj( const SdrObject* _pSdrObj ) const = 0;
    virtual SwAnchoredObject* GetAnchoredObj( SdrObject* _pSdrObj ) = 0;

    virtual const SdrObject *GetMaster() const = 0;
    virtual SdrObject *GetMaster() = 0;

          SwFrameFormat  *GetFormat() { return static_cast<SwFrameFormat*>(GetRegisteredIn()); }
    const SwFrameFormat  *GetFormat() const
        { return static_cast<const SwFrameFormat*>(GetRegisteredIn()); }

    bool IsInDTOR() const { return mbInDTOR;}

    virtual void MoveObjToVisibleLayer( SdrObject* _pDrawObj );

    virtual void MoveObjToInvisibleLayer( SdrObject* _pDrawObj );

    const SwFormatAnchor& GetAnchorFormat() const
    {
        assert( GetFormat() );

        return GetFormat()->GetAnchor();
    }

    RndStdIds GetAnchorId() const { return GetAnchorFormat().GetAnchorId(); }
    bool      ObjAnchoredAtPage() const { return GetAnchorId() == RndStdIds::FLY_AT_PAGE; }
    bool      ObjAnchoredAtFly()  const { return GetAnchorId() == RndStdIds::FLY_AT_FLY; }
    bool      ObjAnchoredAtPara() const { return GetAnchorId() == RndStdIds::FLY_AT_PARA; }
    bool      ObjAnchoredAtChar() const { return GetAnchorId() == RndStdIds::FLY_AT_CHAR; }
    bool      ObjAnchoredAsChar() const { return GetAnchorId() == RndStdIds::FLY_AS_CHAR; }

    const SwPosition&  GetContentAnchor() const
    {
        assert( GetAnchorFormat().GetContentAnchor() );
        return *(GetAnchorFormat().GetContentAnchor());
    }

    virtual void GetAnchoredObjs( std::vector<SwAnchoredObject*>& _roAnchoredObjs ) const = 0;

    sal_uInt32 GetMinOrdNum() const;

    sal_uInt32 GetMaxOrdNum() const;
};

class SW_DLLPUBLIC SwFlyDrawContact final : public SwContact
{
private:
    typedef std::unique_ptr< SwFlyDrawObj, SdrObjectFreeOp > SwFlyDrawObjPtr;

    SwFlyDrawObjPtr mpMasterObj;
    void SwClientNotify(const SwModify&, const SfxHint& rHint) override;
    sal_uInt32 GetOrdNumForNewRef(const SwFlyFrame* pFly);

public:

    SwFlyDrawContact(SwFlyFrameFormat* pToRegisterIn, SdrModel& rTargetModel);
    static SwVirtFlyDrawObj* CreateNewRef(SwFlyFrame* pFly, SwFlyFrameFormat* pFormat);
    virtual ~SwFlyDrawContact() override;

    virtual const SwAnchoredObject* GetAnchoredObj( const SdrObject* _pSdrObj ) const override;
    virtual SwAnchoredObject* GetAnchoredObj( SdrObject* _pSdrObj ) override;

    virtual const SdrObject* GetMaster() const override
            { return const_cast<SwFlyDrawContact*>(this)->GetMaster(); };
    virtual SdrObject* GetMaster() override;

    virtual void MoveObjToVisibleLayer( SdrObject* _pDrawObj ) override;
    virtual void MoveObjToInvisibleLayer( SdrObject* _pDrawObj ) override;

    virtual void GetAnchoredObjs( std::vector<SwAnchoredObject*>& _roAnchoredObjs ) const override;
};

class SwDrawVirtObj : public SdrVirtObj
{
    private:
        // data for connection to writer layout
        SwAnchoredDrawObject maAnchoredDrawObj;

        SwDrawContact&  mrDrawContact;

    protected:
        virtual std::unique_ptr<sdr::contact::ViewContact> CreateObjectSpecificViewContact() override;

        // protected destructor
        virtual ~SwDrawVirtObj() override;

    public:
        SwDrawVirtObj(
            SdrModel& rSdrModel,
            SdrObject& _rNewObj,
            SwDrawContact& _rDrawContact);

        virtual const Point GetOffset() const override;

        virtual SwDrawVirtObj* CloneSdrObject(SdrModel& rTargetModel) const override;
        SwDrawVirtObj& operator= (const SwDrawVirtObj& rObj);

        const SwAnchoredObject& GetAnchoredObj() const { return maAnchoredDrawObj; }
        SwAnchoredObject& AnchoredObj() { return maAnchoredDrawObj; }
        const SwFrame* GetAnchorFrame() const;
        SwFrame* AnchorFrame();
        void RemoveFromWriterLayout();

        void AddToDrawingPage();
        void RemoveFromDrawingPage();

        bool IsConnected() const;

        virtual void NbcSetAnchorPos(const Point& rPnt) override;

        virtual void RecalcBoundRect() override;
        virtual ::basegfx::B2DPolyPolygon TakeXorPoly() const override;
        virtual ::basegfx::B2DPolyPolygon TakeContour() const override;
        virtual void AddToHdlList(SdrHdlList& rHdlList) const override;
        virtual void NbcMove(const Size& rSiz) override;
        virtual void NbcResize(const Point& rRef, const Fraction& xFact, const Fraction& yFact) override;
        virtual void NbcRotate(const Point& rRef, long nAngle, double sn, double cs) override;
        virtual void NbcMirror(const Point& rRef1, const Point& rRef2) override;
        virtual void NbcShear(const Point& rRef, long nAngle, double tn, bool bVShear) override;
        virtual void Move(const Size& rSiz) override;
        virtual void Resize(const Point& rRef, const Fraction& xFact, const Fraction& yFact, bool bUnsetRelative = true) override;
        virtual void Rotate(const Point& rRef, long nAngle, double sn, double cs) override;
        virtual void Mirror(const Point& rRef1, const Point& rRef2) override;
        virtual void Shear(const Point& rRef, long nAngle, double tn, bool bVShear) override;
        virtual void RecalcSnapRect() override;
        virtual const tools::Rectangle& GetSnapRect() const override;
        virtual void SetSnapRect(const tools::Rectangle& rRect) override;
        virtual void NbcSetSnapRect(const tools::Rectangle& rRect) override;
        virtual const tools::Rectangle& GetLogicRect() const override;
        virtual void SetLogicRect(const tools::Rectangle& rRect) override;
        virtual void NbcSetLogicRect(const tools::Rectangle& rRect) override;
        virtual Point GetSnapPoint(sal_uInt32 i) const override;
        virtual Point GetPoint(sal_uInt32 i) const override;
        virtual void NbcSetPoint(const Point& rPnt, sal_uInt32 i) override;

        virtual bool HasTextEdit() const override;

        virtual SdrLayerID GetLayer() const override;
        virtual void NbcSetLayer(SdrLayerID nLayer) override;
        virtual void SetLayer(SdrLayerID nLayer) override;

        virtual void SetBoundRectDirty() override;
        virtual const tools::Rectangle& GetCurrentBoundRect() const override;
        virtual const tools::Rectangle& GetLastBoundRect() const override;
};

bool CheckControlLayer( const SdrObject *pObj );

typedef std::unique_ptr< SwDrawVirtObj, SdrObjectFreeOp > SwDrawVirtObjPtr;

class SAL_DLLPUBLIC_RTTI SwDrawContact final : public SwContact
{
    private:
        SwAnchoredDrawObject maAnchoredDrawObj;

        std::vector< SwDrawVirtObjPtr > maDrawVirtObjs;

        bool mbMasterObjCleared : 1;

        bool mbDisconnectInProgress : 1;

        bool mbUserCallActive : 1;
        SdrUserCallType meEventTypeOfCurrentUserCall;

        friend class NestedUserCallHdl;


        void RemoveAllVirtObjs();

        void InvalidateObjs_( const bool _bUpdateSortedObjsList = false );

        SwDrawContact( const SwDrawContact& ) = delete;
        SwDrawContact& operator=( const SwDrawContact& ) = delete;

        virtual void SwClientNotify(const SwModify&, const SfxHint& rHint) override;

    public:

        SwDrawContact( SwFrameFormat *pToRegisterIn, SdrObject *pObj );
        virtual ~SwDrawContact() override;

        virtual const SwAnchoredObject* GetAnchoredObj( const SdrObject* _pSdrObj ) const override;
        virtual SwAnchoredObject* GetAnchoredObj( SdrObject* _pSdrObj ) override;

        virtual const SdrObject* GetMaster() const override
            { return const_cast<SwDrawContact*>(this)->GetMaster(); };
        virtual SdrObject* GetMaster() override;

        const SwFrame* GetAnchorFrame( const SdrObject* _pDrawObj = nullptr ) const;
        SwFrame* GetAnchorFrame( SdrObject const * _pDrawObj = nullptr );

        const SwPageFrame* GetPageFrame() const
        {
            return maAnchoredDrawObj.GetPageFrame();
        }
        SwPageFrame* GetPageFrame()
        {
            return maAnchoredDrawObj.GetPageFrame();
        }
        void ChkPage();
        SwPageFrame* FindPage( const SwRect &rRect );

        void ConnectToLayout( const SwFormatAnchor *pAnch = nullptr );
        void InsertMasterIntoDrawPage();

        void DisconnectFromLayout( bool _bMoveMasterToInvisibleLayer = true );
        void DisconnectObjFromLayout( SdrObject* _pDrawObj );
        void RemoveMasterFromDrawPage();

        SdrObject* GetDrawObjectByAnchorFrame( const SwFrame& _rAnchorFrame );

        virtual void Changed(const SdrObject& rObj, SdrUserCallType eType, const tools::Rectangle& rOldBoundRect) override;

        void Changed_(const SdrObject& rObj, SdrUserCallType eType, const tools::Rectangle* pOldBoundRect);

        void ChangeMasterObject( SdrObject *pNewMaster );

        SwDrawVirtObj* AddVirtObj();

        void NotifyBackgrdOfAllVirtObjs( const tools::Rectangle* pOldBoundRect );

        static void GetTextObjectsFromFormat( std::list<SdrTextObj*>&, SwDoc* );
        virtual void GetAnchoredObjs( std::vector<SwAnchoredObject*>& _roAnchoredObjs ) const override;
};

#endif

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