/*
 * Copyright 2019-2020 Haiku Inc.
 * All rights reserved. Distributed under the terms of the BSD 3-clause license.
 * Constributors
 * 2019-2020	Adam Fowler <adamfowleruk@gmail.com>
 */
#ifndef LITEHTMLVIEW_H
#define LITEHTMLVIEW_H

#include <View.h>

#include <map>
#include <string>

#include "../../include/litehtml.h"

class BBitmap;

enum { M_HTML_RENDERED = 'hrnd' };

class LiteHtmlView : public BView, public litehtml::document_container {
 public:
  // LiteHtmlView(BMessage *archive);
  LiteHtmlView(BRect frame, const char* name);
  // LiteHtmlView(const char *name, uint32 flags, BLayout *layout=NULL);

  virtual ~LiteHtmlView();

  void SetContext(litehtml::context* ctx);
  void RenderFile(const char* localFilePath);
  void RenderHTML(const std::string& htmlText);

  virtual litehtml::uint_ptr create_font(const litehtml::tchar_t* faceName, int size, int weight, litehtml::font_style italic, unsigned int decoration, litehtml::font_metrics* fm) override;
  virtual void delete_font(litehtml::uint_ptr hFont) override;
  virtual int text_width(const litehtml::tchar_t* text, litehtml::uint_ptr hFont) override;
  virtual void draw_text(litehtml::uint_ptr hdc, const litehtml::tchar_t* text, litehtml::uint_ptr hFont, litehtml::web_color color, const litehtml::position& pos) override;
  virtual int pt_to_px(int pt) override;
  virtual int get_default_font_size() const override;
  virtual const litehtml::tchar_t* get_default_font_name() const override;
  virtual void load_image(const litehtml::tchar_t* src, const litehtml::tchar_t* baseurl, bool redraw_on_ready) override;
  virtual void get_image_size(const litehtml::tchar_t* src, const litehtml::tchar_t* baseurl, litehtml::size& sz) override;
  virtual void draw_background(litehtml::uint_ptr hdc, const litehtml::background_paint& bg) override;
  virtual void draw_borders(litehtml::uint_ptr hdc, const litehtml::borders& borders, const litehtml::position& draw_pos, bool root) override;
  virtual void draw_list_marker(litehtml::uint_ptr hdc, const litehtml::list_marker& marker) override;
  virtual std::shared_ptr<litehtml::element> create_element(const litehtml::tchar_t* tag_name, const litehtml::string_map& attributes, const std::shared_ptr<litehtml::document>& doc) override;
  virtual void get_media_features(litehtml::media_features& media) const override;
  // virtual void						get_language(litehtml::tstring& language, litehtml::tstring & culture) const override;
  virtual void link(const std::shared_ptr<litehtml::document>& ptr, const litehtml::element::ptr& el) override;

  virtual void transform_text(litehtml::tstring& text, litehtml::text_transform tt) override;
  virtual void set_clip(const litehtml::position& pos, const litehtml::border_radiuses& bdr_radius, bool valid_x, bool valid_y) override;
  virtual void del_clip() override;

  // unimplemented
  virtual void set_caption(const char*);
  virtual void get_client_rect(litehtml::position& client) const;
  virtual void set_base_url(const char*);
  virtual void on_anchor_click(const char*, const litehtml::element::ptr&);
  virtual void set_cursor(const char*);
  virtual void import_css(litehtml::tstring&, const litehtml::tstring&, litehtml::tstring&);
  virtual void get_language(litehtml::tstring&, litehtml::tstring&) const;

  // BView
  virtual void Draw(BRect updateRect) override;
  virtual void GetPreferredSize(float* width, float* height) override;

 protected:
  void make_url(const litehtml::tchar_t* url, const litehtml::tchar_t* basepath, litehtml::tstring& out);
  virtual void draw_image(litehtml::uint_ptr hdc, const litehtml::tchar_t* src, const litehtml::tchar_t* baseurl, const litehtml::position& pos);

 private:
  litehtml::context* fContext;
  litehtml::document::ptr m_html;
  std::map<const std::string, BBitmap*> m_images;
  litehtml::tstring m_base_url;
  litehtml::tstring m_url;
};

#endif
