237 lines
7.3 KiB
C
237 lines
7.3 KiB
C
/*
|
|
* Copyright 2004 James Bursa <bursa@users.sourceforge.net>
|
|
*
|
|
* This file is part of NetSurf, http://www.netsurf-browser.org/
|
|
*
|
|
* NetSurf 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; version 2 of the License.
|
|
*
|
|
* NetSurf 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/** \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 "content/content_type.h"
|
|
#include "css/css.h"
|
|
#include "desktop/plot_style.h"
|
|
#include "render/parser_binding.h"
|
|
|
|
struct fetch_multipart_data;
|
|
struct box;
|
|
struct rect;
|
|
struct browser_window;
|
|
struct content;
|
|
struct hlcache_handle;
|
|
struct http_parameter;
|
|
struct imagemap;
|
|
struct object_params;
|
|
struct plotters;
|
|
|
|
/* entries in stylesheet_content */
|
|
#define STYLESHEET_BASE 0 /* base style sheet */
|
|
#define STYLESHEET_QUIRKS 1 /* quirks mode stylesheet */
|
|
#define STYLESHEET_ADBLOCK 2 /* adblocking stylesheet */
|
|
#define STYLESHEET_START 3 /* start of document stylesheets */
|
|
|
|
extern char *default_stylesheet_url;
|
|
extern char *adblock_stylesheet_url;
|
|
extern char *quirks_stylesheet_url;
|
|
|
|
/**
|
|
* Container for stylesheets used by an HTML document
|
|
*/
|
|
struct html_stylesheet {
|
|
/** Type of sheet */
|
|
enum { HTML_STYLESHEET_EXTERNAL, HTML_STYLESHEET_INTERNAL } type;
|
|
union {
|
|
struct hlcache_handle *external;
|
|
struct content_css_data *internal;
|
|
} data; /**< Sheet data */
|
|
};
|
|
|
|
struct frame_dimension {
|
|
float value;
|
|
enum {
|
|
FRAME_DIMENSION_PIXELS, /* '100', '200' */
|
|
FRAME_DIMENSION_PERCENT, /* '5%', '20%' */
|
|
FRAME_DIMENSION_RELATIVE /* '*', '2*' */
|
|
} unit;
|
|
};
|
|
|
|
typedef enum {
|
|
SCROLLING_AUTO,
|
|
SCROLLING_YES,
|
|
SCROLLING_NO
|
|
} frame_scrolling;
|
|
|
|
|
|
/** An object (<img>, <object>, etc.) in a CONTENT_HTML document. */
|
|
struct content_html_object {
|
|
struct hlcache_handle *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; /**< This object is a background image. */
|
|
};
|
|
|
|
/** Frame tree (<frameset>, <frame>) */
|
|
struct content_html_frames {
|
|
int cols; /** number of columns in frameset */
|
|
int rows; /** number of rows in frameset */
|
|
|
|
struct frame_dimension width; /** frame width */
|
|
struct frame_dimension height; /** frame width */
|
|
int margin_width; /** frame margin width */
|
|
int margin_height; /** frame margin height */
|
|
|
|
char *name; /** frame name (for targetting) */
|
|
char *url; /** frame url */
|
|
|
|
bool no_resize; /** frame is not resizable */
|
|
frame_scrolling scrolling; /** scrolling characteristics */
|
|
bool border; /** frame has a border */
|
|
colour border_colour; /** frame border colour */
|
|
|
|
struct content_html_frames *children; /** [cols * rows] children */
|
|
};
|
|
|
|
/** Inline frame list (<iframe>) */
|
|
struct content_html_iframe {
|
|
struct box *box;
|
|
|
|
int margin_width; /** frame margin width */
|
|
int margin_height; /** frame margin height */
|
|
|
|
char *name; /** frame name (for targetting) */
|
|
char *url; /** frame url */
|
|
|
|
frame_scrolling scrolling; /** scrolling characteristics */
|
|
bool border; /** frame has a border */
|
|
colour border_colour; /** frame border colour */
|
|
|
|
struct content_html_iframe *next;
|
|
};
|
|
|
|
/** Data specific to CONTENT_HTML. */
|
|
struct content_html_data {
|
|
void *parser_binding;
|
|
xmlDoc *document;
|
|
binding_quirks_mode quirks; /**< Quirkyness of document */
|
|
|
|
char *encoding; /**< Encoding of source, 0 if unknown. */
|
|
binding_encoding_source encoding_source;
|
|
/**< Source of encoding information. */
|
|
|
|
char *base_url; /**< Base URL (may be a copy of content->url). */
|
|
char *base_target; /**< Base target */
|
|
|
|
struct box *layout; /**< Box tree, or 0. */
|
|
colour background_colour; /**< Document background colour. */
|
|
const struct font_functions *font_func;
|
|
|
|
struct hlcache_handle *favicon; /**< the favicon for the page */
|
|
|
|
/** Number of entries in stylesheet_content. */
|
|
unsigned int stylesheet_count;
|
|
/** Stylesheets. Each may be 0. */
|
|
struct html_stylesheet *stylesheets;
|
|
/**< Style selection context */
|
|
css_select_ctx *select_ctx;
|
|
|
|
/** Number of entries in object. */
|
|
unsigned int object_count;
|
|
/** Objects. Each may be 0. */
|
|
struct content_html_object *object;
|
|
/** Forms, in reverse order to document. */
|
|
struct form *forms;
|
|
/** Hash table of imagemaps. */
|
|
struct imagemap **imagemaps;
|
|
|
|
/** Browser window containing this document, or 0 if not open. */
|
|
struct browser_window *bw;
|
|
|
|
/** Frameset information */
|
|
struct content_html_frames *frameset;
|
|
|
|
/** Inline frame information */
|
|
struct content_html_iframe *iframe;
|
|
|
|
/** Content of type CONTENT_HTML containing this, or 0 if not an object
|
|
* within a page. */
|
|
struct content *page;
|
|
/** Index in page->data.html.object, or 0 if not an object. */
|
|
unsigned int index;
|
|
/** Box containing this, or 0 if not an object. */
|
|
struct box *box;
|
|
};
|
|
|
|
/** Render padding and margin box outlines in html_redraw(). */
|
|
extern bool html_redraw_debug;
|
|
|
|
|
|
bool html_create(struct content *c, const struct http_parameter *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);
|
|
bool html_fetch_object(struct content *c, const 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, unsigned int index, struct box *box,
|
|
struct object_params *params);
|
|
void html_close(struct content *c);
|
|
void html_set_status(struct content *c, const char *extra);
|
|
|
|
/* in render/html_redraw.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, colour background_colour);
|
|
|
|
|
|
/* redraw a short text string, complete with highlighting
|
|
(for selection/search) and ghost caret */
|
|
|
|
bool text_redraw(const char *utf8_text, size_t utf8_len,
|
|
size_t offset, bool space,
|
|
const plot_font_style_t *fstyle,
|
|
int x, int y,
|
|
struct rect *clip,
|
|
int height,
|
|
float scale,
|
|
bool excluded);
|
|
|
|
xmlDoc *html_get_document(struct hlcache_handle *h);
|
|
struct box *html_get_box_tree(struct hlcache_handle *h);
|
|
const char *html_get_encoding(struct hlcache_handle *h);
|
|
struct content_html_frames *html_get_frameset(struct hlcache_handle *h);
|
|
struct content_html_iframe *html_get_iframe(struct hlcache_handle *h);
|
|
const char *html_get_base_url(struct hlcache_handle *h);
|
|
const char *html_get_base_target(struct hlcache_handle *h);
|
|
struct html_stylesheet *html_get_stylesheets(struct hlcache_handle *h,
|
|
unsigned int *n);
|
|
struct content_html_object *html_get_objects(struct hlcache_handle *h,
|
|
unsigned int *n);
|
|
struct hlcache_handle *html_get_favicon(struct hlcache_handle *h);
|
|
|
|
#endif
|