lnkbase.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
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 * 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 <sot/formats.hxx>
#include <tools/ref.hxx>
#include <tools/link.hxx>
#include <memory>
 
namespace com::sun::star::uno
{
    class Any;
}
 
namespace com::sun::star::io { class XInputStream; }
 
enum class SfxLinkUpdateMode {
    NONE   = 0,
    // Ole2 compatible and persistent
    ALWAYS = 1,
    ONCALL = 3
};
 
namespace sfx2
{
 
struct ImplBaseLinkData;
class LinkManager;
class FileDialogHelper;
 
enum class SvBaseLinkObjectType {
    Internal      = 0x00,
    DdeExternal   = 0x02,
    ClientSo      = 0x80, // a Link
    ClientDde     = 0x81,
    ClientFile    = 0x90,
    ClientGraphic = 0x91,
    ClientOle     = 0x92 // embedded link
};
 
constexpr bool isClientType(SvBaseLinkObjectType t)
{
    return static_cast<int>(t) & static_cast<int>(SvBaseLinkObjectType::ClientSo);
}
constexpr bool isClientFileType(SvBaseLinkObjectType t)
{
    auto check = static_cast<int>(SvBaseLinkObjectType::ClientFile);
    return (static_cast<int>(t) & check) == check;
}
 
class SFX2_DLLPUBLIC SvBaseLink : public SvRefBase
{
private:
    friend class LinkManager;
    friend class SvLinkSource;
 
    Link<SvBaseLink&,void>  m_aEndEditLink;
    LinkManager*            m_pLinkMgr;
    weld::Window*           m_pParentWin;
    std::unique_ptr<FileDialogHelper>
                            m_pFileDlg;
    SvLinkSourceRef         xObj;
    OUString                aLinkName;
    std::unique_ptr<ImplBaseLinkData> pImplData;
    SvBaseLinkObjectType    mnObjType;
    bool                    bVisible : 1;
    bool                    bSynchron : 1;
    bool                    bWasLastEditOK : 1;
    bool                    m_bIsConnect : 1;
    bool                    m_bIsReadOnly;
    css::uno::Reference<css::io::XInputStream>
                            m_xInputStreamToLoadFrom;
 
    DECL_DLLPRIVATE_LINK( EndEditHdl, const OUString&, void );
 
    bool                    ExecuteEdit( const OUString& _rNewName );
 
protected:
    void            SetObjType( SvBaseLinkObjectType );
 
    // Set LinkSourceName without action
    void            SetName( const OUString & rLn );
 
                    SvBaseLink();
                    SvBaseLink( SfxLinkUpdateMode nLinkType, SotClipboardFormatId nContentType );
    virtual         ~SvBaseLink() override;
 
    void            GetRealObject_( bool bConnect = true );
 
    SvLinkSource*   GetRealObject()
                    {
                        if( !xObj.is() )
                            GetRealObject_();
                        return xObj.get();
                    }
 
public:
 
    virtual void    Closed();
 
#if defined(_WIN32)
                    SvBaseLink( const OUString& rNm, SvBaseLinkObjectType nObjectType,
                                 SvLinkSource* );
#endif
 
    SvBaseLinkObjectType GetObjType() const { return mnObjType; }
 
    void            SetObj( SvLinkSource * pObj );
    SvLinkSource*   GetObj() const  { return xObj.get(); }
 
    void            SetLinkSourceName( const OUString & rName );
    const OUString& GetLinkSourceName() const { return aLinkName;}
 
    enum UpdateResult {
        SUCCESS = 0,
        ERROR_GENERAL = 1
    };
 
    virtual UpdateResult DataChanged(
        const OUString & rMimeType, const css::uno::Any & rValue );
 
    void                 SetUpdateMode( SfxLinkUpdateMode );
    SfxLinkUpdateMode    GetUpdateMode() const;
    SotClipboardFormatId GetContentType() const;
    void                 SetContentType( SotClipboardFormatId nType );
 
    LinkManager*          GetLinkManager();
    const LinkManager*    GetLinkManager() const;
    void                  SetLinkManager( LinkManager* _pMgr );
 
    bool            Update();
    void            Disconnect();
 
    virtual void    Edit(weld::Window*, const Link<SvBaseLink&,void>& rEndEditHdl);
 
    // should the link appear in the dialog? (to the left in the link in the...)
    bool            IsVisible() const           { return bVisible; }
    void            SetVisible( bool bFlag )    { bVisible = bFlag; }
    // should the Link be loaded synchronous or asynchronous?
    bool            IsSynchron() const          { return bSynchron; }
    void            SetSynchron( bool bFlag )   { bSynchron = bFlag; }
 
    void            setStreamToLoadFrom(
                        const css::uno::Reference<css::io::XInputStream>& xInputStream,
                        bool bIsReadOnly )
                            { m_xInputStreamToLoadFrom = xInputStream;
                              m_bIsReadOnly = bIsReadOnly; }
    // #i88291#
    void            clearStreamToLoadFrom();
 
    bool     WasLastEditOK() const       { return bWasLastEditOK; }
    FileDialogHelper & GetInsertFileDialog(const OUString& rFactory);
};
 
}
 
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