/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */

/* libwps

 * Version: MPL 2.0 / LGPLv2.1+

 *

 * 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/.

 *

 * Major Contributor(s):

 * Copyright (C) 2006, 2007 Andrew Ziem

 * Copyright (C) 2003-2005 William Lachance (william.lachance@sympatico.ca)

 * Copyright (C) 2003 Marc Maurer (uwog@uwog.net)

 *

 * For minor contributions see the git repository.

 *

 * Alternatively, the contents of this file may be used under the terms

 * of the GNU Lesser General Public License Version 2.1 or later

 * (LGPLv2.1+), in which case the provisions of the LGPLv2.1+ are

 * applicable instead of those above.

 */

#ifndef QUATTRO_GRAPH_H

#define QUATTRO_GRAPH_H

#include <ostream>

#include <map>

#include <vector>

#include <librevenge-stream/librevenge-stream.h>

#include "libwps_internal.h"

#include "WPSDebug.h"

#include "WKSContentListener.h"

namespace QuattroGraphInternal

{

struct Dialog;

struct Graph;

struct ShapeHeader;

struct Textbox;

struct State;

class SubDocument;

}

class QuattroParser;

class QuattroStyleManager;

/**

 * This class parses QuattroPro graph file

 *

 */

class QuattroGraph

{

public:

  friend class QuattroParser;

  friend class QuattroGraphInternal::SubDocument;

  //! constructor

  explicit QuattroGraph(QuattroParser &parser);

  //! destructor

  ~QuattroGraph();

  //! sets the listener

  void setListener(WKSContentListenerPtr &listen)

  {

    m_listener = listen;

  }

  //! clean internal state

  void cleanState();

  //! update the state (need to be called before sending data)

  void updateState();

protected:

  //! return the file version

  int version() const;

  //! stores the OLE objets

  void storeObjects(std::map<librevenge::RVNGString, WPSEmbeddedObject> const &nameToObjectMap);

  //! return the list of cells containing some graphics in a sheet

  std::vector<Vec2i> getGraphicCellsInSheet(int sheetId) const;

  //! send the graphic corresponding to a cell

  bool sendGraphics(int sheetId, Vec2i const &cell) const;

  //! send the page graphic corresponding to a sheet

  bool sendPageGraphics(int sheetId) const;

  //! send a graphic

  bool sendGraphic(QuattroGraphInternal::Graph const &graph) const;

  //! send a shape

  bool sendShape(QuattroGraphInternal::Graph const &graph, int sheetId) const;

  //! send a textbox

  bool sendTextbox(QuattroGraphInternal::Graph const &graph, int sheetId) const;

  //! send the textbox content

  bool send(QuattroGraphInternal::Textbox const &textbox,

            std::shared_ptr<WPSStream> stream) const;

  //

  // low level

  //

  // ////////////////////// zone //////////////////////////////

  //! read the begin/end graph zone: 321/322

  bool readBeginEnd(std::shared_ptr<WPSStream> stream, int sheetId);

  //! read a new OLE frame zone: zone 381(wb2)

  bool readFrameOLE(std::shared_ptr<WPSStream> stream);

  //! read a image zone: zone 382(wb2)

  bool readImage(std::shared_ptr<WPSStream> stream);

  //! read a bitmap zone: zone 383(wb2)

  bool readBitmap(std::shared_ptr<WPSStream> stream);

  //! read a chart zone: zone 384

  bool readChart(std::shared_ptr<WPSStream> stream);

  //! read an frame: zone 385

  bool readFrame(std::shared_ptr<WPSStream> stream);

  //! read a button: zone 386

  bool readButton(std::shared_ptr<WPSStream> stream);

  //! read a OLE data: zone 38b

  bool readOLEData(std::shared_ptr<WPSStream> stream);

  //! try to read a graph header

  static bool readHeader(QuattroGraphInternal::Graph &header, std::shared_ptr<WPSStream> stream, long endPos);

  // ////////////////////// shape //////////////////////////////

  //! read a shape header: zone 4d3

  bool readShape(std::shared_ptr<WPSStream> stream);

  /** read a shape header

   \note the serie header is pretty similar */

  bool readShapeHeader(QuattroGraphInternal::ShapeHeader &shape, std::shared_ptr<WPSStream> stream,  long endPos);

  //! read a line/arrow data: zone 35a/37b

  bool readLine(std::shared_ptr<WPSStream> stream);

  //! read a oval/rect/round rect data: zone 33e/364/379

  bool readRect(std::shared_ptr<WPSStream> stream);

  //! read a polygon/polyline data: zone 35c/37c/35b/388

  bool readPolygon(std::shared_ptr<WPSStream> stream);

  //! read a textbox data: zone 36f

  bool readTextBox(std::shared_ptr<WPSStream> stream);

  // ////////////////////// dialog zone //////////////////////////////

  //! try to read a dialog header

  static bool readHeader(QuattroGraphInternal::Dialog &header, std::shared_ptr<WPSStream> stream, long endPos);

  //! read a dialog zone: 35e

  bool readDialog(std::shared_ptr<WPSStream> stream);

  //! read a unknown dialog zone: 335,343,345

  static bool readDialogUnknown(std::shared_ptr<WPSStream> stream);

  // ////////////////////// style //////////////////////////////

  bool readFillData(WPSGraphicStyle &style, int fillType, std::shared_ptr<WPSStream> stream, long endPos);

private:

  QuattroGraph(QuattroGraph const &orig) = delete;

  QuattroGraph &operator=(QuattroGraph const &orig) = delete;

  std::shared_ptr<WKSContentListener> m_listener; /** the listener (if set)*/

  //! the main parser

  QuattroParser &m_mainParser;

  //! the internal state

  std::shared_ptr<QuattroGraphInternal::State> m_state;

};

#endif /* QUATTRO_GRAPH_H */

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