Private data for text/html content. More...

#include <dom/bindings/hubbub/parser.h>
#include "netsurf/types.h"
#include "content/content_protected.h"
#include "content/handlers/css/utils.h"

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Data Structures
union	html_drag_owner
	For drags we don't own. More...

union	html_selection_owner
	For getting at selections in this content or things in this content. More...

union	html_focus_owner
	For directing input. More...

struct	html_content
	Data specific to CONTENT_HTML. More...

Typedefs
typedef struct html_content	html_content
	Data specific to CONTENT_HTML. More...

Enumerations
enum	html_drag_type { HTML_DRAG_NONE , HTML_DRAG_SELECTION , HTML_DRAG_SCROLLBAR , HTML_DRAG_TEXTAREA_SELECTION , HTML_DRAG_TEXTAREA_SCROLLBAR , HTML_DRAG_CONTENT_SELECTION , HTML_DRAG_CONTENT_SCROLL }

enum	html_selection_type { HTML_SELECTION_NONE , HTML_SELECTION_TEXTAREA , HTML_SELECTION_SELF , HTML_SELECTION_CONTENT }

enum	html_focus_type { HTML_FOCUS_SELF , HTML_FOCUS_CONTENT , HTML_FOCUS_TEXTAREA }

Functions
void	html__redraw_a_box (html_content htmlc, struct box box)
	redraw a box More...

void	html_finish_conversion (html_content *htmlc)
	Complete conversion of an HTML document. More...

bool	html_can_begin_conversion (html_content *htmlc)
	Test if an HTML content conversion can begin. More...

bool	html_begin_conversion (html_content *htmlc)
	Begin conversion of an HTML document. More...

bool	html_exec (struct content c, const char src, size_t srclen)
	execute some text as a script element More...

nserror	html_script_exec (html_content *htmlc, bool allow_defer)
	Attempt script execution for defer and async scripts. More...

nserror	html_script_free (html_content *htmlc)
	Free all script resources and references for a html content. More...

bool	html_saw_insecure_scripts (html_content *htmlc)
	Check if any of the scripts loaded were insecure. More...

nserror	html_proceed_to_done (html_content *html)
	Complete the HTML content state machine iff all scripts are finished. More...

bool	html_redraw (struct content c, struct content_redraw_data data, const struct rect clip, const struct redraw_context ctx)
	Draw a CONTENT_HTML using the current set of plotters (plot). More...

bool	html_redraw_borders (struct box box, int x_parent, int y_parent, int p_width, int p_height, const struct rect clip, float scale, const struct redraw_context *ctx)
	Draw borders for a box. More...

bool	html_redraw_inline_borders (struct box box, struct rect b, const struct rect clip, float scale, bool first, bool last, const struct redraw_context *ctx)
	Draw an inline's borders. More...

dom_hubbub_error	html_process_script (void ctx, dom_node node)
	process script node parser callback More...

struct form *	html_forms_get_forms (const char docenc, dom_html_document doc)

struct form_control *	html_forms_get_control_for_node (struct form forms, dom_node node)

nserror	html_css_fetcher_register (void)
	Register the fetcher for the pseudo x-ns-css scheme. More...

nserror	html_css_fetcher_add_item (dom_string data, struct nsurl base_url, uint32_t *key)

bool	fire_generic_dom_event (dom_string type, dom_node target, bool bubbles, bool cancelable)
	Construct an event and fire it at the DOM. More...

bool	fire_dom_keyboard_event (dom_string type, dom_node target, bool bubbles, bool cancelable, uint32_t key)
	Construct a keyboard event and fire it at the DOM. More...

Variables
bool	html_redraw_debug
	Render padding and margin box outlines in html_redraw(). More...

struct dom_string *	html_dom_string_map

struct dom_string *	html_dom_string_id

struct dom_string *	html_dom_string_name

struct dom_string *	html_dom_string_area

struct dom_string *	html_dom_string_a

struct dom_string *	html_dom_string_nohref

struct dom_string *	html_dom_string_href

struct dom_string *	html_dom_string_target

struct dom_string *	html_dom_string_shape

struct dom_string *	html_dom_string_default

struct dom_string *	html_dom_string_rect

struct dom_string *	html_dom_string_rectangle

struct dom_string *	html_dom_string_coords

struct dom_string *	html_dom_string_circle

struct dom_string *	html_dom_string_poly

struct dom_string *	html_dom_string_polygon

struct dom_string *	html_dom_string_text_javascript

struct dom_string *	html_dom_string_type

struct dom_string *	html_dom_string_src

Detailed Description

Private data for text/html content.

Definition in file private.h.

Typedef Documentation

◆ html_content

typedef struct html_content html_content

Data specific to CONTENT_HTML.

Enumeration Type Documentation

◆ html_drag_type

enum html_drag_type

Enumerator
HTML_DRAG_NONE
HTML_DRAG_SELECTION	No drag.
HTML_DRAG_SCROLLBAR	Own; Text selection.
HTML_DRAG_TEXTAREA_SELECTION	Not own; drag in scrollbar widget.
HTML_DRAG_TEXTAREA_SCROLLBAR	Not own; drag in textarea widget.
HTML_DRAG_CONTENT_SELECTION	Not own; drag in textarea widget.
HTML_DRAG_CONTENT_SCROLL	Not own; drag in child content. Not own; drag in child content

Definition at line 39 of file private.h.

◆ html_focus_type

enum html_focus_type

Enumerator
HTML_FOCUS_SELF	Focus is our own.
HTML_FOCUS_CONTENT	Focus belongs to child content.
HTML_FOCUS_TEXTAREA	Focus belongs to textarea.

Definition at line 75 of file private.h.

◆ html_selection_type

enum html_selection_type

Enumerator
HTML_SELECTION_NONE
HTML_SELECTION_TEXTAREA	No selection.
HTML_SELECTION_SELF	Selection in one of our textareas.
HTML_SELECTION_CONTENT	Selection in this html content. Selection in child content

Definition at line 59 of file private.h.

Function Documentation

◆ fire_dom_keyboard_event()

bool fire_dom_keyboard_event	(	dom_string *	type,
		dom_node *	target,
		bool	bubbles,
		bool	cancelable,
		uint32_t	key
	)

Construct a keyboard event and fire it at the DOM.

Definition at line 133 of file html.c.

References fire_dom_event(), NS_KEY_DOWN, NS_KEY_ESCAPE, NS_KEY_LEFT, NS_KEY_PAGE_DOWN, NS_KEY_PAGE_UP, NS_KEY_RIGHT, NS_KEY_TEXT_END, NS_KEY_TEXT_START, NS_KEY_UP, NSLOG, result, type, and utf8_from_ucs4().

Referenced by html_keypress().

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◆ fire_generic_dom_event()

bool fire_generic_dom_event	(	dom_string *	type,
		dom_node *	target,
		bool	bubbles,
		bool	cancelable
	)

Construct an event and fire it at the DOM.

Definition at line 111 of file html.c.

References fire_dom_event(), NSLOG, result, and type.

Referenced by mouse_action_drag_none().

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◆ html__redraw_a_box()

void html__redraw_a_box	(	struct html_content *	html,
		struct box *	box
	)

redraw a box

Parameters

htmlc	HTML content
box	The box to redraw.

redraw a box

Parameters

html	content containing the box, of type CONTENT_HTML
box	box to redraw.

Definition at line 1130 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 form__select_process_selection(), form_radio_set(), gadget_mouse_action(), html__set_file_gadget_filename(), html_overflow_scroll_callback(), and html_texty_element_update().

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◆ html_begin_conversion()

bool html_begin_conversion ( html_content * htmlc )

Begin conversion of an HTML document.

Parameters

htmlc Content to convert

Definition at line 833 of file html.c.

References html_content::aborted, form::action, content::active, html_content::base, html_content::base_url, content_broadcast_error(), content_get_url(), content_set_error(), html_content::conversion_begun, html_content::document, form::document_charset, html_content::encoding, html_content::encoding_source, html_content::forms, html_can_begin_conversion(), html_finish_conversion(), html_forms_get_forms(), html_script_exec(), libdom_hubbub_error_to_nserror(), node_name(), NSERROR_DOM, NSERROR_NOMEM, NSERROR_OK, NSERROR_STOPPED, NSLOG, nsurl_access(), nsurl_join(), nsurl_unref(), html_content::parse_completed, html_content::parser, and form::prev.

Referenced by convert_script_async_cb(), convert_script_defer_cb(), convert_script_sync_cb(), html_convert(), and html_convert_css_callback().

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◆ html_can_begin_conversion()

bool html_can_begin_conversion ( html_content * htmlc )

Test if an HTML content conversion can begin.

Parameters

htmlc html content to test

Returns: true iff the html content conversion can begin

Definition at line 814 of file html.c.

References content::active, html_content::base, html_stylesheet::modified, html_content::stylesheet_count, and html_content::stylesheets.

Referenced by convert_script_async_cb(), convert_script_defer_cb(), convert_script_sync_cb(), html_begin_conversion(), html_convert(), and html_convert_css_callback().

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◆ html_css_fetcher_add_item()

nserror html_css_fetcher_add_item	(	dom_string *	data,
		struct nsurl *	base_url,
		uint32_t *	key
	)

Definition at line 305 of file css_fetcher.c.

References html_css_fetcher_item::base_url, current_key, html_css_fetcher_item::data, items, html_css_fetcher_item::key, NSERROR_NOMEM, NSERROR_OK, nsurl_ref(), and RING_INSERT.

Referenced by html_stylesheet_from_domnode().

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◆ html_css_fetcher_register()

nserror html_css_fetcher_register ( void )

Register the fetcher for the pseudo x-ns-css scheme.

Returns: NSERROR_OK on successful registration or error code on failure.

Definition at line 286 of file css_fetcher.c.

References fetcher_add(), html_css_fetcher_abort(), html_css_fetcher_can_fetch(), html_css_fetcher_finalise(), html_css_fetcher_free(), html_css_fetcher_initialise(), html_css_fetcher_poll(), html_css_fetcher_setup(), html_css_fetcher_start(), and fetcher_operation_table::initialise.

Referenced by html_css_init().

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◆ html_exec()

bool html_exec	(	struct content *	c,
		const char *	src,
		size_t	srclen
	)

execute some text as a script element

Definition at line 2090 of file html.c.

References html_content::document, NSLOG, and result.

Referenced by mouse_action_drag_none().

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◆ html_finish_conversion()

void html_finish_conversion ( html_content * htmlc )

Complete conversion of an HTML document.

Parameters

htmlc Content to convert

Definition at line 341 of file html.c.

References html_content::aborted, html_content::base, html_content::box_conversion_context, content_broadcast(), content_broadcast_error(), CONTENT_MSG_STATUS, content_set_error(), content_set_status(), html_content::document, dom_to_box(), content_msg_data::explicit_status_text, html_box_convert_done(), html_css_new_selection_context(), html_get_dimensions(), html_object_free_objects(), js_fire_event(), html_content::jsthread, messages_get(), NSERROR_DOM, NSERROR_OK, NSERROR_STOPPED, NSLOG, and html_content::select_ctx.

Referenced by html_begin_conversion().

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◆ html_forms_get_control_for_node()

struct form_control * html_forms_get_control_for_node	(	struct form *	forms,
		dom_node *	node
	)

Definition at line 545 of file forms.c.

References form::controls, invent_fake_gadget(), form_control::next, form_control::node, parse_button_element(), parse_input_element(), parse_select_element(), parse_textarea_element(), and form::prev.

Referenced by box_button(), box_input(), box_select(), and box_textarea().

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◆ html_forms_get_forms()

struct form * html_forms_get_forms	(	const char *	docenc,
		dom_html_document *	doc
	)

Definition at line 126 of file forms.c.

References form::node, parse_form_element(), and form::prev.

Referenced by html_begin_conversion().

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◆ html_proceed_to_done()

nserror html_proceed_to_done ( html_content * html )

Complete the HTML content state machine iff all scripts are finished.

Definition at line 285 of file html.c.

References content::active, html_content::base, content__get_status(), content_set_done(), CONTENT_STATUS_DONE, CONTENT_STATUS_LOADING, CONTENT_STATUS_READY, NSERROR_OK, NSERROR_UNKNOWN, and NSLOG.

Referenced by html_box_convert_done(), and html_script_exec().

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◆ html_process_script()

dom_hubbub_error html_process_script	(	void *	ctx,
		dom_node *	node
	)

process script node parser callback

Definition at line 566 of file script.c.

References html_content::base, content_broadcast(), CONTENT_MSG_GETTHREAD, exec_inline_script(), exec_src_script(), content_msg_data::jsthread, html_content::jsthread, html_script::mimetype, NSLOG, html_content::parser, and content_msg_data::src.

Referenced by dom_SCRIPT_showed_up(), html_create_html_data(), and html_process_encoding_change().

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◆ html_redraw()

bool html_redraw	(	struct content *	c,
		struct content_redraw_data *	data,
		const struct rect *	clip,
		const struct redraw_context *	ctx
	)

Draw a CONTENT_HTML using the current set of plotters (plot).

Parameters

c	content of type CONTENT_HTML
data	redraw data for this content redraw
clip	current clip region
ctx	current redraw context

Returns: true if successful, false otherwise

x, y, clip_[xy][01] are in target coordinates.

Definition at line 1944 of file redraw.c.

References html_content::background_colour, content_redraw_data::background_colour, box::border, BOTTOM, form_control::box, box_coords(), clip(), plotter_table::clip, form_control::data, plot_style_s::fill_colour, plot_style_s::fill_type, form_clip_inside_select_menu(), form_redraw_select_menu(), box::height, form_control::html, html_redraw_box(), redraw_context::interactive, html_content::layout, LEFT, NS_TRANSPARENT, NSERROR_OK, box::padding, redraw_context::plot, PLOT_OP_TYPE_SOLID, plotter_table::rectangle, result, form_control::select, TOP, html_content::visible_select_menu, and box_border::width.

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◆ html_redraw_borders()

bool html_redraw_borders	(	struct box *	box,
		int	x_parent,
		int	y_parent,
		int	p_width,
		int	p_height,
		const struct rect *	clip,
		float	scale,
		const struct redraw_context *	ctx
	)

Draw borders for a box.

Parameters

box	box to draw
x_parent	coordinate of left padding edge of parent of box
y_parent	coordinate of top padding edge of parent of box
p_width	width of padding box
p_height	height of padding box
clip	cliping area for redrawing border.
scale	scale for redraw
ctx	current redraw context

Returns: true if successful, false otherwise

Definition at line 444 of file redraw_border.c.

References box::border, BOTTOM, box_border::c, clip(), html_redraw_border_plot(), LEFT, nscss_color_is_transparent, nscss_color_to_ns, NSERROR_OK, RIGHT, box_border::style, box::style, TOP, box_border::width, box::x, and box::y.

Referenced by html_redraw_box().

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◆ html_redraw_inline_borders()

bool html_redraw_inline_borders	(	struct box *	box,
		struct rect	b,
		const struct rect *	clip,
		float	scale,
		bool	first,
		bool	last,
		const struct redraw_context *	ctx
	)

Draw an inline's borders.

Parameters

box	BOX_INLINE which created the border
b	coordinates of border edge rectangle
clip	cliping area for redrawing border.
scale	scale for redraw
first	true if this is the first rectangle associated with the inline
last	true if this is the last rectangle associated with the inline
ctx	current redraw context

Returns: true if successful, false otherwise

Definition at line 707 of file redraw_border.c.

References box::border, BOTTOM, box_border::c, clip(), html_redraw_border_plot(), LEFT, nscss_color_is_transparent, nscss_color_to_ns, NSERROR_OK, RIGHT, box_border::style, box::style, TOP, box_border::width, rect::x0, rect::x1, rect::y0, and rect::y1.

Referenced by html_redraw_box().

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◆ html_saw_insecure_scripts()

bool html_saw_insecure_scripts ( html_content * htmlc )

Check if any of the scripts loaded were insecure.

Definition at line 611 of file script.c.

References content_saw_insecure_objects(), html_script::data, html_script::handle, html_script::HTML_SCRIPT_INLINE, html_content::scripts, html_content::scripts_count, and html_script::type.

Referenced by html_saw_insecure_objects().

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◆ html_script_exec()

nserror html_script_exec	(	html_content *	htmlc,
		bool	allow_defer
	)

Attempt script execution for defer and async scripts.

execute scripts using algorithm found in: http://www.whatwg.org/specs/web-apps/current-work/multipage/scripting-1.html#the-script-element

Parameters

htmlc	html content.
allow_defer	allow deferred execution, if not, only async scripts.

Returns: NSERROR_OK error code.

Definition at line 59 of file script.c.

References html_script::already_started, content_get_source_data(), content_get_status(), content_get_type(), CONTENT_STATUS_DONE, CONTENT_STATUS_ERROR, html_script::data, html_script::handle, hlcache_handle_get_url(), html_proceed_to_done(), html_script::HTML_SCRIPT_ASYNC, html_script::HTML_SCRIPT_DEFER, html_content::jsthread, NSERROR_BAD_PARAMETER, NSERROR_OK, nsurl_access(), html_content::scripts, html_content::scripts_count, select_script_handler(), and html_script::type.

Referenced by convert_script_async_cb(), and html_begin_conversion().

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◆ html_script_free()

nserror html_script_free ( html_content * htmlc )

Free all script resources and references for a html content.

Parameters

htmlc html content.

Returns: NSERROR_OK or error code.

Definition at line 636 of file script.c.

References html_script::data, html_script::handle, hlcache_handle_release(), html_script::HTML_SCRIPT_ASYNC, html_script::HTML_SCRIPT_DEFER, html_script::HTML_SCRIPT_INLINE, html_script::HTML_SCRIPT_SYNC, html_script::mimetype, NSERROR_OK, html_content::scripts, html_content::scripts_count, html_script::string, and html_script::type.

Referenced by html_destroy().

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Variable Documentation

◆ html_dom_string_a

struct dom_string* html_dom_string_a

extern

◆ html_dom_string_area

struct dom_string* html_dom_string_area

extern

◆ html_dom_string_circle

struct dom_string* html_dom_string_circle

extern

◆ html_dom_string_coords

struct dom_string* html_dom_string_coords

extern

◆ html_dom_string_default

struct dom_string* html_dom_string_default

extern

◆ html_dom_string_href

struct dom_string* html_dom_string_href

extern

◆ html_dom_string_id

struct dom_string* html_dom_string_id

extern

◆ html_dom_string_map

struct dom_string* html_dom_string_map

extern

◆ html_dom_string_name

struct dom_string* html_dom_string_name

extern

◆ html_dom_string_nohref

struct dom_string* html_dom_string_nohref

extern

◆ html_dom_string_poly

struct dom_string* html_dom_string_poly

extern

◆ html_dom_string_polygon

struct dom_string* html_dom_string_polygon

extern

◆ html_dom_string_rect

struct dom_string* html_dom_string_rect

extern

◆ html_dom_string_rectangle

struct dom_string* html_dom_string_rectangle

extern

◆ html_dom_string_shape

struct dom_string* html_dom_string_shape

extern

◆ html_dom_string_src

struct dom_string* html_dom_string_src

extern

◆ html_dom_string_target

struct dom_string* html_dom_string_target

extern

◆ html_dom_string_text_javascript

struct dom_string* html_dom_string_text_javascript

extern

◆ html_dom_string_type

struct dom_string* html_dom_string_type

extern

◆ html_redraw_debug

bool html_redraw_debug

extern

Render padding and margin box outlines in html_redraw().

Definition at line 68 of file redraw.c.

Referenced by html_redraw_box().

Data Structures

Typedefs

Enumerations

Functions

Variables

Detailed Description

Typedef Documentation

◆ html_content

Enumeration Type Documentation

◆ html_drag_type

◆ html_focus_type

◆ html_selection_type

Function Documentation

◆ fire_dom_keyboard_event()

◆ fire_generic_dom_event()

◆ html__redraw_a_box()

◆ html_begin_conversion()

◆ html_can_begin_conversion()

◆ html_css_fetcher_add_item()

◆ html_css_fetcher_register()

◆ html_exec()

◆ html_finish_conversion()

◆ html_forms_get_control_for_node()

◆ html_forms_get_forms()

◆ html_proceed_to_done()

◆ html_process_script()

◆ html_redraw()

◆ html_redraw_borders()

◆ html_redraw_inline_borders()

◆ html_saw_insecure_scripts()

◆ html_script_exec()

◆ html_script_free()

Variable Documentation

◆ html_dom_string_a

◆ html_dom_string_area

◆ html_dom_string_circle

◆ html_dom_string_coords

◆ html_dom_string_default

◆ html_dom_string_href

◆ html_dom_string_id

◆ html_dom_string_map

◆ html_dom_string_name

◆ html_dom_string_nohref

◆ html_dom_string_poly

◆ html_dom_string_polygon

◆ html_dom_string_rect

◆ html_dom_string_rectangle

◆ html_dom_string_shape

◆ html_dom_string_src

◆ html_dom_string_target

◆ html_dom_string_text_javascript

◆ html_dom_string_type

◆ html_redraw_debug