netsurf/render/html.h

101 lines
3.3 KiB
C

/*
* This file is part of NetSurf, http://netsurf.sourceforge.net/
* Licensed under the GNU General Public License,
* http://www.opensource.org/licenses/gpl-license
* Copyright 2004 James Bursa <bursa@users.sourceforge.net>
*/
/** \file
* Content for text/html (interface).
*
* These functions should in general be called via the content interface.
*/
#ifndef _NETSURF_RENDER_HTML_H_
#define _NETSURF_RENDER_HTML_H_
#include <stdbool.h>
#include "libxml/HTMLparser.h"
#include "netsurf/content/content_type.h"
#include "netsurf/css/css.h"
#include "netsurf/utils/pool.h"
struct box;
struct browser_window;
struct content;
struct object_params;
struct imagemap;
/* entries in stylesheet_content */
#define STYLESHEET_BASE 0 /* base style sheet */
#define STYLESHEET_ADBLOCK 1 /* adblocking stylesheet */
#define STYLESHEET_STYLE 2 /* <style> elements (not cached) */
#define STYLESHEET_START 3 /* start of document stylesheets */
/** Data specific to CONTENT_HTML. */
struct content_html_data {
htmlParserCtxt *parser; /**< HTML parser context. */
const char *encoding; /**< Encoding of source. */
bool getenc; /**< Need to get the encoding from the document, as it
* wasn't specified in the Content-Type header. */
char *base_url; /**< Base URL (may be a copy of content->url). */
struct box *layout; /**< Box tree, or 0. */
colour background_colour; /**< Document background colour. */
/** Number of entries in stylesheet_content. */
unsigned int stylesheet_count;
/** Stylesheets. Each may be 0. */
struct content **stylesheet_content;
struct css_style *style; /**< Base style. */
struct font_set *fonts; /**< Set of fonts. */
/** Number of entries in object. */
unsigned int object_count;
/** Objects. Each may be 0. */
struct {
char *url; /**< URL of this object. */
struct content *content; /**< Content, or 0. */
struct box *box; /**< Node in box tree containing it. */
/** Pointer to array of permitted content_type, terminated by
* CONTENT_UNKNOWN, or 0 if any type is acceptable. */
const content_type *permitted_types;
bool background; /** Is this object a background image? */
} *object;
struct imagemap **imagemaps; /**< Hashtable of imagemaps */
pool box_pool; /**< Memory pool for box tree. */
pool string_pool; /**< Memory pool for strings. */
/**< Browser window containing this document, or 0 if not open. */
struct browser_window *bw;
};
bool html_create(struct content *c, const char *params[]);
bool html_process_data(struct content *c, char *data, unsigned int size);
bool html_convert(struct content *c, int width, int height);
void html_reformat(struct content *c, int width, int height);
void html_destroy(struct content *c);
void html_fetch_object(struct content *c, char *url, struct box *box,
const content_type *permitted_types,
int available_width, int available_height,
bool background);
void html_stop(struct content *c);
void html_open(struct content *c, struct browser_window *bw,
struct content *page, struct box *box,
struct object_params *params);
void html_close(struct content *c);
/* in riscos/htmlredraw.c */
bool html_redraw(struct content *c, int x, int y,
int width, int height,
int clip_x0, int clip_y0, int clip_x1, int clip_y1,
float scale, unsigned long background_colour);
#endif