ie_exp_RTF_listenerGetProps.h

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/* AbiWord
 * Copyright (C) 1998 AbiSource, Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 */

#ifndef IE_EXP_RTF_LISTENERGETPROPS
#define IE_EXP_RTF_LISTENERGETPROPS
#include "ie_exp_RTF.h"

/******************************************************************
** This class is to be considered private to ie_exp_RTF.cpp
** This is a PL_Listener.  It's purpose is to gather information
** from the document (the font table and color table and anything
** else) that must be written to the rtf header.
******************************************************************/

class ABI_EXPORT s_RTF_ListenerGetProps : public PL_Listener
{
public:
    s_RTF_ListenerGetProps(PD_Document * pDocument,
                           IE_Exp_RTF * pie);
    virtual ~s_RTF_ListenerGetProps();

    virtual bool        populate(fl_ContainerLayout* sfh,
                                 const PX_ChangeRecord * pcr);

    virtual bool        populateStrux(pf_Frag_Strux* sdh,
                                      const PX_ChangeRecord * pcr,
                                      fl_ContainerLayout* * psfh);

    virtual bool        change(fl_ContainerLayout* sfh,
                               const PX_ChangeRecord * pcr);

    virtual bool        insertStrux(fl_ContainerLayout* sfh,
                                    const PX_ChangeRecord * pcr,
                                    pf_Frag_Strux* sdh,
                                    PL_ListenerId lid,
                                    void (* pfnBindHandles)(pf_Frag_Strux* sdhNew,
                                                            PL_ListenerId lid,
                                                            fl_ContainerLayout* sfhNew));

    virtual bool        signal(UT_uint32 iSignal);
    bool                hasBlock() { return m_bHasBlock; }

protected:
    void                _closeSection(void);
    void                _closeBlock(void);
    void                _closeSpan(void);
    void                _openSpan(PT_AttrPropIndex apiSpan);
    void                _outputData(const UT_UCSChar * p, UT_uint32 length);
    void                _compute_span_properties(const PP_AttrProp * pSpanAP,
                                                 const PP_AttrProp * pBlockAP,
                                                 const PP_AttrProp * pSectionAP);

    void                _check_revs_for_color(const PP_AttrProp * pAP1,
                                              const PP_AttrProp * pAP2,
                                              const PP_AttrProp * pAP3);

    void                _check_revs_for_font (const PP_AttrProp * pAP1,
                                              const PP_AttrProp * pAP2,
                                              const PP_AttrProp * pAP3);

    void                _searchTableAPI(PT_AttrPropIndex api);
    void                _searchCellAPI(PT_AttrPropIndex api);
 private:
    PD_Document *       m_pDocument;
    IE_Exp_RTF *        m_pie;
    bool                m_bInSection;
    bool                m_bInBlock;
    bool                m_bInSpan;
    PT_AttrPropIndex    m_apiLastSpan;

    PT_AttrPropIndex    m_apiThisSection;
    PT_AttrPropIndex    m_apiThisBlock;
    PT_AttrPropIndex    m_apiSavedBlock;
    bool                m_bHasBlock;
};

#endif /* IE_EXP_RTF_LISTENERGETPROPS */