902d87147d
Change-Id: I05ad3204af4e6ec3c832b185a1b35fdb75a229b2 Reviewed-on: https://gerrit.libreoffice.org/40760 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
229 lines
8.7 KiB
C++
229 lines
8.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SW_INC_NDGRF_HXX
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#define INCLUDED_SW_INC_NDGRF_HXX
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#include <sfx2/lnkbase.hxx>
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#include <svtools/grfmgr.hxx>
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#include <ndnotxt.hxx>
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#include <com/sun/star/embed/XStorage.hpp>
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#include <memory>
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class SwAsyncRetrieveInputStreamThreadConsumer;
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class SwGrfFormatColl;
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class SwDoc;
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class GraphicAttr;
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class SotStorage;
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// SwGrfNode
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class SW_DLLPUBLIC SwGrfNode: public SwNoTextNode
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{
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friend class SwNodes;
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GraphicObject maGrfObj;
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GraphicObject *mpReplacementGraphic;
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tools::SvRef<sfx2::SvBaseLink> refLink; ///< If graphics only as link then pointer is set.
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Size nGrfSize;
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bool bInSwapIn :1;
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bool bGraphicArrived :1;
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bool bChgTwipSize :1;
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bool bFrameInPaint :1; ///< To avoid Start-/EndActions in Paint via SwapIn.
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bool bScaleImageMap :1; ///< Scale image map in SetTwipSize.
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std::shared_ptr< SwAsyncRetrieveInputStreamThreadConsumer > mpThreadConsumer;
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bool mbLinkedInputStreamReady;
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css::uno::Reference<css::io::XInputStream> mxInputStream;
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bool mbIsStreamReadOnly;
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SwGrfNode( const SwNodeIndex& rWhere,
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const OUString& rGrfName, const OUString& rFltName,
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const Graphic* pGraphic,
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SwGrfFormatColl* pGrfColl,
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SwAttrSet const * pAutoAttr );
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///< Ctor for reading (SW/G) without graphics.
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SwGrfNode( const SwNodeIndex& rWhere,
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const OUString& rGrfName, const OUString& rFltName,
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SwGrfFormatColl* pGrfColl,
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SwAttrSet const * pAutoAttr );
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SwGrfNode( const SwNodeIndex& rWhere,
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const GraphicObject& rGrfObj,
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SwGrfFormatColl* pGrfColl,
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SwAttrSet const * pAutoAttr );
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void InsertLink( const OUString& rGrfName, const OUString& rFltName );
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bool ImportGraphic( SvStream& rStrm );
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DECL_LINK( SwapGraphic, const GraphicObject*, SvStream* );
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DECL_STATIC_LINK( SwGrfNode, SwapReplacement, const GraphicObject*, SvStream* );
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/** helper method to determine stream for the embedded graphic.
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Important note: caller of this method has to handle the thrown exceptions
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Storage, which should contain the stream of the embedded graphic, is
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provided via parameter. Otherwise the returned stream will be closed
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after the method returns, because its parent stream is closed and deleted.
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Proposed name of embedded graphic stream is also provided by parameter.
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@author OD
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@param _refPics
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input parameter - reference to storage, which should contain the
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embedded graphic stream.
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@param rStrmName
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input parameter - proposed name of the embedded graphic stream.
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@return SvStream*
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new created stream of the embedded graphic, which has to be destroyed
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after its usage. Could be NULL, if the stream isn't found.
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*/
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SvStream* GetStreamForEmbedGrf(
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const css::uno::Reference< css::embed::XStorage >& _refPics,
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const OUString& rStreamName ) const;
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/** helper method to get a substorage of the document storage for readonly access.
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A substorage with the specified name will be opened readonly. If the provided
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name is empty the root storage will be returned.
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@param _aStgName
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input parameter - name of substorage. Can be empty.
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@return XStorage
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reference to substorage or the root storage
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*/
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css::uno::Reference< css::embed::XStorage > GetDocSubstorageOrRoot(
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const OUString& aStgName ) const;
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/// allow reaction on change of content of GraphicObject, so always call
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/// when GraphicObject content changes
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void onGraphicChanged();
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public:
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virtual ~SwGrfNode() override;
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const Graphic& GetGrf(bool bWait = false) const;
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const GraphicObject& GetGrfObj(bool bWait = false) const;
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const GraphicObject* GetReplacementGrfObj() const;
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virtual SwContentNode *SplitContentNode( const SwPosition & ) override;
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/// isolated only way to set GraphicObject to allow more actions when doing so
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void SetGraphic(const Graphic& rGraphic, const OUString& rLink);
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/// wrappers for non-const calls at GraphicObject
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void StartGraphicAnimation(OutputDevice* pOut, const Point& rPt, const Size& rSz, long nExtraData, OutputDevice* pFirstFrameOutDev)
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{ maGrfObj.StartAnimation(pOut, rPt, rSz, nExtraData, pFirstFrameOutDev); }
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void StopGraphicAnimation(OutputDevice* pOut, long nExtraData) { maGrfObj.StopAnimation(pOut, nExtraData); }
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virtual Size GetTwipSize() const override;
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void SetTwipSize( const Size& rSz );
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bool IsTransparent() const;
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bool IsAnimated() const { return maGrfObj.IsAnimated(); }
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bool IsChgTwipSize() const { return bChgTwipSize; }
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void SetChgTwipSize( bool b)
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{
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bChgTwipSize = b;
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}
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bool IsGraphicArrived() const { return bGraphicArrived; }
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void SetGraphicArrived( bool b ) { bGraphicArrived = b; }
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bool IsFrameInPaint() const { return bFrameInPaint; }
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void SetFrameInPaint( bool b ) { bFrameInPaint = b; }
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bool IsScaleImageMap() const { return bScaleImageMap; }
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void SetScaleImageMap( bool b ) { bScaleImageMap = b; }
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/// in ndcopy.cxx
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virtual SwContentNode* MakeCopy( SwDoc*, const SwNodeIndex& ) const override;
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/** Re-read in case graphic was not OK. The current one
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gets replaced by the new one. */
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bool ReRead( const OUString& rGrfName, const OUString& rFltName,
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const Graphic* pGraphic = nullptr,
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const GraphicObject* pGrfObj = nullptr,
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bool bModify = true );
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private:
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/// Loading of graphic immediately before displaying.
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bool SwapIn( bool bWaitForData = false );
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/// Remove graphic in order to free memory.
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bool SwapOut();
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public:
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bool HasEmbeddedStreamName() const { return maGrfObj.HasUserData(); }
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/// Is this node selected by any shell?
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bool IsSelected() const;
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/// Communicate to graphic that node is in Undo-range.
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virtual bool SavePersistentData() override;
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virtual bool RestorePersistentData() override;
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/// Query link-data.
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bool IsGrfLink() const { return refLink.is(); }
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bool IsLinkedFile() const;
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bool IsLinkedDDE() const;
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const tools::SvRef<sfx2::SvBaseLink>& GetLink() const { return refLink; }
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bool GetFileFilterNms( OUString* pFileNm, OUString* pFilterNm ) const;
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void ReleaseLink();
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/** Scale an image-map: the image-map becomes zoomed in / out by
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factor between graphic-size and border-size. */
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void ScaleImageMap();
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/// Returns the with our graphic attributes filled Graphic-Attr-Structure.
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GraphicAttr& GetGraphicAttr( GraphicAttr&, const SwFrame* pFrame ) const;
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std::weak_ptr< SwAsyncRetrieveInputStreamThreadConsumer > GetThreadConsumer() { return mpThreadConsumer;}
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bool IsLinkedInputStreamReady() const { return mbLinkedInputStreamReady;}
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void TriggerAsyncRetrieveInputStream();
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void ApplyInputStream(
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const css::uno::Reference<css::io::XInputStream>& xInputStream,
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const bool bIsStreamReadOnly );
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void UpdateLinkWithInputStream();
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bool IsAsyncRetrieveInputStreamPossible() const;
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};
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// Inline methods from Node.hxx - it is only now that we know TextNode!!
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inline SwGrfNode *SwNode::GetGrfNode()
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{
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return SwNodeType::Grf == m_nNodeType ? static_cast<SwGrfNode*>(this) : nullptr;
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}
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inline const SwGrfNode *SwNode::GetGrfNode() const
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{
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return SwNodeType::Grf == m_nNodeType ? static_cast<const SwGrfNode*>(this) : nullptr;
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}
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inline bool SwGrfNode::IsLinkedFile() const
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{
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return refLink.is() && OBJECT_CLIENT_GRF == refLink->GetObjType();
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}
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inline bool SwGrfNode::IsLinkedDDE() const
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{
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return refLink.is() && OBJECT_CLIENT_DDE == refLink->GetObjType();
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}
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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