html.h File Reference

Interface to text/html content handler. More...

#include <stdbool.h>
#include "netsurf/types.h"
#include "netsurf/content_type.h"
#include "netsurf/browser_window.h"
#include "netsurf/mouse.h"
#include "desktop/frame_types.h"

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Data Structures
struct	html_stylesheet
	Container for stylesheets used by an HTML document. More...
struct	html_script
	Container for scripts used by an HTML document. More...
struct	content_html_object
	An object (img, object, etc. More...
struct	content_html_frames
	Frame tree (frameset or frame tag) More...
struct	content_html_iframe
	Inline frame list (iframe tag) More...

Macros
#define	STYLESHEET_BASE   0 /* base style sheet */
#define	STYLESHEET_QUIRKS   1 /* quirks mode stylesheet */
#define	STYLESHEET_ADBLOCK   2 /* adblocking stylesheet */
#define	STYLESHEET_USER   3 /* user stylesheet */
#define	STYLESHEET_START   4 /* start of document stylesheets */

Functions
nserror	html_init (void)
	initialise content handler More...
void	html_redraw_a_box (struct hlcache_handle *h, struct box *box)
	redraw a specific box More...
struct content_html_frames *	html_get_frameset (struct hlcache_handle *h)
	obtain html frame content from handle More...
struct content_html_iframe *	html_get_iframe (struct hlcache_handle *h)
	obtain html iframe content from handle More...
const char *	html_get_base_target (struct hlcache_handle *h)
	obtain html base target from handle More...
void	html_set_file_gadget_filename (struct hlcache_handle *hl, struct form_control *gadget, const char *fn)
	set filename on a file gadget More...
struct html_stylesheet *	html_get_stylesheets (struct hlcache_handle *h, unsigned int *n)
	Retrieve stylesheets used by HTML document. More...
struct content_html_object *	html_get_objects (struct hlcache_handle *h, unsigned int *n)
	Retrieve objects used by HTML document. More...
bool	html_get_id_offset (struct hlcache_handle *h, lwc_string *frag_id, int *x, int *y)
	get the offset within the docuemnt of a fragment id More...

Detailed Description

Interface to text/html content handler.

These functions should in general be called via the content interface.

Definition in file html.h.

Macro Definition Documentation

STYLESHEET_ADBLOCK

#define STYLESHEET_ADBLOCK   2 /* adblocking stylesheet */

Definition at line 150 of file html.h.

STYLESHEET_BASE

#define STYLESHEET_BASE   0 /* base style sheet */

Definition at line 148 of file html.h.

STYLESHEET_QUIRKS

#define STYLESHEET_QUIRKS   1 /* quirks mode stylesheet */

Definition at line 149 of file html.h.

STYLESHEET_START

#define STYLESHEET_START   4 /* start of document stylesheets */

Definition at line 152 of file html.h.

STYLESHEET_USER

#define STYLESHEET_USER   3 /* user stylesheet */

Definition at line 151 of file html.h.

Function Documentation

html_get_base_target()

const char * html_get_base_target

(

hlcache_handle *

h

)

obtain html base target from handle

used by core browser

obtain html base target from handle

Parameters

h	Content to retrieve base target from

Returns

Pointer to target, or NULL if none

Definition at line 2053 of file html.c.

References html_content::base_target, and hlcache_handle_get_content().

Referenced by browser_window_find_target().

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html_get_frameset()

struct content_html_frames * html_get_frameset

(

hlcache_handle *

h

)

obtain html frame content from handle

used by core browser

obtain html frame content from handle

Parameters

h	Content to inspect

Returns

Pointer to framesets, or NULL if none

Definition at line 2008 of file html.c.

References html_content::frameset, and hlcache_handle_get_content().

Referenced by browser_window_create_frameset(), and browser_window_recalculate_frameset().

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html_get_id_offset()

bool html_get_id_offset	(	hlcache_handle *	h,
		lwc_string *	frag_id,
		int *	x,
		int *	y
	)

get the offset within the docuemnt of a fragment id

get the offset within the docuemnt of a fragment id

Parameters

h	HTML document to search
frag_id	String containing an element id
x	Updated to global x coord iff id found
y	Updated to global y coord iff id found

Returns

true iff id found

Definition at line 2072 of file html.c.

References box_coords(), box_find_by_id(), content_get_type(), CONTENT_HTML, html_get_box_tree(), box::x, and box::y.

Referenced by frag_scroll().

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html_get_iframe()

struct content_html_iframe * html_get_iframe

(

hlcache_handle *

h

)

obtain html iframe content from handle

used by core browser

obtain html iframe content from handle

Parameters

h	Content to inspect

Returns

Pointer to iframes, or NULL if none

Definition at line 2023 of file html.c.

References hlcache_handle_get_content(), and html_content::iframe.

Referenced by browser_window_create_iframes().

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html_get_objects()

struct content_html_object * html_get_objects	(	hlcache_handle *	h,
		unsigned int *	n
	)

Retrieve objects used by HTML document.

Parameters

h	Content to retrieve objects from
n	Pointer to location to receive number of objects

Returns

Pointer to array of objects

Parameters

h	Content to retrieve objects from
n	Pointer to location to receive number of objects

Returns

Pointer to list of objects

Definition at line 60 of file object.c.

References hlcache_handle_get_content(), html_content::num_objects, and html_content::object_list.

Referenced by browser_window_reload(), and save_complete_save_html_objects().

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html_get_stylesheets()

struct html_stylesheet * html_get_stylesheets	(	struct hlcache_handle *	h,
		unsigned int *	n
	)

Retrieve stylesheets used by HTML document.

Parameters

h	Content to retrieve stylesheets from
n	Pointer to location to receive number of sheets

Returns

Pointer to array of stylesheets

Definition at line 498 of file css.c.

References hlcache_handle_get_content(), html_content::stylesheet_count, and html_content::stylesheets.

Referenced by browser_window_reload(), and save_complete_save_html_stylesheets().

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html_init()

nserror html_init

(

void

)

initialise content handler

Returns

NSERROR_OK on success otherwise appropriate error code

Definition at line 2381 of file html.c.

References content_factory_register_handler(), html_content_handler, html_css_init(), html_fini(), html_types, NOF_ELEMENTS, and NSERROR_OK.

Referenced by netsurf_init().

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html_redraw_a_box()

void html_redraw_a_box	(	hlcache_handle *	h,
		struct box *	box
	)

redraw a specific box

used by core browser

redraw a specific box

Parameters

h	content containing the box, of type CONTENT_HTML
box	box to redraw

Definition at line 1111 of file html.c.

References BOTTOM, box_coords(), content_request_redraw(), box::height, LEFT, box::padding, RIGHT, TOP, box::width, box::x, and box::y.

Referenced by browser_window_invalidate_iframe(), and browser_window_scroll_callback().

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html_set_file_gadget_filename()

void html_set_file_gadget_filename	(	struct hlcache_handle *	hl,
		struct form_control *	gadget,
		const char *	fn
	)

set filename on a file gadget

used by core browser

Definition at line 1665 of file html.c.

References box::gadget, hl, hlcache_handle_get_content(), and html__set_file_gadget_filename().

Referenced by browser_window_set_gadget_filename().

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