include/sfx2/linkmgr.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   9  * This file incorporates work covered by the following license notice:
  10  *
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  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19 #ifndef INCLUDED_SFX2_LINKMGR_HXX
  20 #define INCLUDED_SFX2_LINKMGR_HXX
  21
  22 #include <rtl/ustring.hxx>
  23 #include <sal/config.h>
  24 #include <sfx2/dllapi.h>
  25 #include <sfx2/linksrc.hxx>
  26 #include <set>
  27 #include <vector>
  28
  29 class SfxObjectShell;
  30 class Graphic;
  31 class Size;
  32
  33 namespace com { namespace sun { namespace star {
  34     namespace lang {
  35         class XComponent;
  36     }
  37 }}}
  38
  39 namespace sfx2
  40 {
  41     // For the link to receive information about the status of graphics that
  42     // will be loaded the FileObject sends a SvData, which contains the
  43     // FormatID "RegisterStatusInfoId" and a string as the data container.
  44     // This contains the following enum.
  45
  46 class SvBaseLink;
  47 class SvBaseLinkRef;
  48
  49 typedef std::vector<SvBaseLinkRef*> SvBaseLinks;
  50
  51 typedef std::set<SvLinkSource*> SvLinkSources;
  52
  53 class SFX2_DLLPUBLIC LinkManager
  54 {
  55     typedef ::std::vector< ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent > >
  56         CompVector;
  57     CompVector maCachedComps;
  58
  59     SvBaseLinks     aLinkTbl;
  60     SvLinkSources aServerTbl;
  61
  62     SfxObjectShell *pPersist; // LinkMgr must be release before SfxObjectShell
  63 protected:
  64     sal_Bool        InsertLink( SvBaseLink* pLink, sal_uInt16 nObjType, sal_uInt16 nUpdateType,
  65                             const OUString* pName = 0 );
  66 public:
  67
  68     enum LinkState
  69     {
  70         STATE_LOAD_OK,
  71         STATE_LOAD_ERROR,
  72         STATE_LOAD_ABORT
  73     };
  74
  75                 LinkManager( SfxObjectShell * pCacheCont );
  76                 ~LinkManager();
  77
  78     /**
  79      * Insert a component loaded during link update, which needs to be closed
  80      * when the update is complete.
  81      *
  82      * @param xComp component loaded during link update.
  83      */
  84     void        InsertCachedComp(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent >& xComp);
  85
  86     void        CloseCachedComps();
  87
  88     SfxObjectShell*    GetPersist() const              { return pPersist; }
  89     void        SetPersist( SfxObjectShell * p )   { pPersist = p; }
  90
  91     void        Remove( SvBaseLink *pLink );
  92     void        Remove( size_t nPos, size_t nCnt = 1 );
  93     sal_Bool        Insert( SvBaseLink* pLink );
  94
  95     // the links connect to a SvLinkSource and adds to the list
  96     sal_Bool        InsertDDELink( SvBaseLink*,
  97                         const OUString& rServer,
  98                         const OUString& rTopic,
  99                         const OUString& rItem );
 100
 101     // if everything is already set at the link!
 102     sal_Bool        InsertDDELink( SvBaseLink* );
 103
 104     // Connect the links to a pseudo-object and add to the list
 105     bool InsertFileLink( sfx2::SvBaseLink&,
 106                         sal_uInt16 nFileType,
 107                         const OUString& rFileNm,
 108                         const OUString* pFilterNm = NULL,
 109                         const OUString* pRange = NULL );
 110
 111     void ReconnectDdeLink(SfxObjectShell& rServer);
 112
 113     /**
 114      * Reconnect the server document shell to a DDE link object.
 115      *
 116      * @param rPath path to the server document
 117      * @param rServer server document shell instance
 118      * @param rLink link object of the client document
 119      */
 120     void LinkServerShell(const OUString& rPath, SfxObjectShell& rServer, ::sfx2::SvBaseLink& rLink) const;
 121
 122     // Obtain the string for the dialog
 123     bool GetDisplayNames( const SvBaseLink *,
 124                                     OUString* pType,
 125                                     OUString* pFile = NULL,
 126                                     OUString* pLink = NULL,
 127                                     OUString* pFilter = NULL ) const;
 128
 129     SvLinkSourceRef CreateObj( SvBaseLink* );
 130
 131     void        UpdateAllLinks( bool bAskUpdate = true,
 132                                 bool bCallErrHdl = true,
 133                                 bool bUpdateGrfLinks = false,
 134                                 Window* pParentWin = 0 );
 135
 136     // Call for list of links (eg for link-dialog)
 137     const       SvBaseLinks& GetLinks() const { return aLinkTbl; }
 138
 139     // ----------------- Server-side management --------------------
 140
 141     // Call with list of links to server
 142     const SvLinkSources& GetServers() const { return aServerTbl; }
 143     // Link register/delete
 144     sal_Bool        InsertServer( SvLinkSource* rObj );
 145     void            RemoveServer( SvLinkSource* rObj );
 146
 147     // A transfer is aborted, so cancel all download media
 148     // (for the time beeing this is only of interest for the FileLinks!)
 149     void CancelTransfers();
 150
 151     // To send status information from the FileObject to the Baselink,
 152     // for this there exist a separate ClipBoardId. The SvData-object has
 153     // got the appropriate information as a string.
 154     // Is now required for FileObject in conjunction with JavaScript
 155     // this needs information about Load/Abort/Error
 156     static sal_uIntPtr RegisterStatusInfoId();
 157
 158     // if the mimetype says graphic/bitmap/gdimetafile then get the
 159     // graphic from the Any. Return says no errors
 160     static sal_Bool GetGraphicFromAny( const OUString& rMimeType,
 161                                 const ::com::sun::star::uno::Any & rValue,
 162                                 Graphic& rGrf );
 163
 164 private:
 165                 LinkManager( const LinkManager& );
 166                 LinkManager& operator=( const LinkManager& );
 167 };
 168
 169 // Separator in the link name for the DDE-/File-/Graphics- links
 170 // (only those who need to construct a SvLinkName)
 171 const sal_Unicode cTokenSeparator = 0xFFFF;
 172
 173 // create a string for the SvLinkName. For:
 174 // - DDE the first 3 Strings, (Server, Topic, Item)
 175 // - File-/Graphics-LinkNames the last 3 Strings (FileName, Region, Filter)
 176 SFX2_DLLPUBLIC void MakeLnkName( OUString& rName,
 177                  const OUString* pType,       // Can also be null!!
 178                  const OUString& rFile,
 179                  const OUString& rLink,
 180                  const OUString* pFilter = 0 );
 181
 182 }
 183
 184 #endif
 185
 186 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */