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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.
*
* 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 .
*/
#pragma once
#include <rtl/ustring.hxx>
#include <sal/config.h>
#include <sfx2/dllapi.h>
#include <sfx2/linksrc.hxx>
#include <sfx2/lnkbase.hxx>
#include <o3tl/sorted_vector.hxx>
#include <string_view>
#include <vector>
class SfxObjectShell;
class Graphic;
namespace com::sun::star {
namespace lang {
class XComponent;
}
}
namespace weld { class Window; }
namespace sfx2
{
// For the link to receive information about the status of graphics that
// will be loaded the FileObject sends a SvData, which contains the
// FormatID "RegisterStatusInfoId" and a string as the data container.
// This contains the following enum.
typedef std::vector<tools::SvRef<SvBaseLink> > SvBaseLinks;
typedef o3tl::sorted_vector<SvLinkSource*> SvLinkSources;
class SFX2_DLLPUBLIC LinkManager
{
typedef ::std::vector< css::uno::Reference< css::lang::XComponent > >
CompVector;
CompVector maCachedComps;
SvBaseLinks aLinkTbl;
SvLinkSources aServerTbl;
SfxObjectShell *pPersist; // LinkMgr must be release before SfxObjectShell
bool InsertLink( SvBaseLink* pLink, SvBaseLinkObjectType nObjType, SfxLinkUpdateMode nUpdateType,
const OUString* pName );
public:
enum LinkState
{
STATE_LOAD_OK,
STATE_LOAD_ERROR,
STATE_LOAD_ABORT
};
LinkManager( SfxObjectShell * pCacheCont );
~LinkManager();
/**
* Insert a component loaded during link update, which needs to be closed
* when the update is complete.
*
* @param xComp component loaded during link update.
*/
void InsertCachedComp(const css::uno::Reference< css::lang::XComponent >& xComp);
void CloseCachedComps();
SfxObjectShell* GetPersist() const { return pPersist; }
void SetPersist( SfxObjectShell * p ) { pPersist = p; }
void Remove( SvBaseLink const *pLink );
void Remove( size_t nPos, size_t nCnt = 1 );
bool Insert( SvBaseLink* pLink );
// the links connect to a SvLinkSource and adds to the list
void InsertDDELink( SvBaseLink*,
const OUString& rServer,
std::u16string_view rTopic,
std::u16string_view rItem );
// if everything is already set at the link!
void InsertDDELink( SvBaseLink* );
// Connect the links to a pseudo-object and add to the list
void InsertFileLink( sfx2::SvBaseLink&,
SvBaseLinkObjectType nFileType,
std::u16string_view rFileNm,
const OUString* pFilterNm = nullptr,
const OUString* pRange = nullptr );
void ReconnectDdeLink(SfxObjectShell& rServer);
/**
* Reconnect the server document shell to a DDE link object.
*
* @param rPath path to the server document
* @param rServer server document shell instance
* @param rLink link object of the client document
*/
static void LinkServerShell(const OUString& rPath, SfxObjectShell& rServer, ::sfx2::SvBaseLink& rLink);
// Obtain the string for the dialog
static bool GetDisplayNames( const SvBaseLink *,
OUString* pType,
OUString* pFile = nullptr,
OUString* pLink = nullptr,
OUString* pFilter = nullptr );
static SvLinkSourceRef CreateObj( SvBaseLink const * );
void UpdateAllLinks(bool bAskUpdate,
bool bUpdateGrfLinks,
weld::Window* pParentWin);
// Call for list of links (eg for link-dialog)
const SvBaseLinks& GetLinks() const { return aLinkTbl; }
// ----------------- Server-side management --------------------
// Call with list of links to server
const SvLinkSources& GetServers() const { return aServerTbl; }
// Link register/delete
bool InsertServer( SvLinkSource* rObj );
void RemoveServer( SvLinkSource* rObj );
// A transfer is aborted, so cancel all download media
// (for the time being this is only of interest for the FileLinks!)
void CancelTransfers();
// To send status information from the FileObject to the Baselink,
// for this there exist a separate ClipBoardId. The SvData-object has
// got the appropriate information as a string.
// Is now required for FileObject in conjunction with JavaScript
// this needs information about Load/Abort/Error
static SotClipboardFormatId RegisterStatusInfoId();
// if the mimetype says graphic/bitmap/gdimetafile then get the
// graphic from the Any. Return says no errors
bool GetGraphicFromAny(std::u16string_view rMimeType,
const css::uno::Any & rValue,
Graphic& rGrf,
weld::Window* pParentWin);
private:
LinkManager( const LinkManager& ) = delete;
LinkManager& operator=( const LinkManager& ) = delete;
};
// Separator in the link name for the DDE-/File-/Graphics- links
// (only those who need to construct a SvLinkName)
const sal_Unicode cTokenSeparator = 0xFFFF;
// create a string for the SvLinkName. For:
// - DDE the first 3 Strings, (Server, Topic, Item)
// - File-/Graphics-LinkNames the last 3 Strings (FileName, Region, Filter)
SFX2_DLLPUBLIC void MakeLnkName( OUString& rName,
const OUString* pType, // Can also be null!!
std::u16string_view rFile,
std::u16string_view rLink,
const OUString* pFilter = nullptr );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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