css.h File Reference

HTML content handler CSS interface. More...

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Functions
nserror	html_css_init (void)
	Initialise html content css handling. More...
void	html_css_fini (void)
	Finalise html content css handling. More...
nserror	html_css_new_selection_context (struct html_content *c, css_select_ctx **select_ctx)
	create a new css selection context for an html content. More...
nserror	html_css_new_stylesheets (struct html_content *c)
	Initialise core stylesheets for a content. More...
nserror	html_css_quirks_stylesheets (struct html_content *c)
	Initialise quirk stylesheets for a content. More...
nserror	html_css_free_stylesheets (struct html_content *html)
	Free all css stylesheets associated with an HTML content. More...
bool	html_css_saw_insecure_stylesheets (struct html_content *htmlc)
	determine if any of the stylesheets were loaded insecurely More...
bool	html_css_process_link (struct html_content *htmlc, dom_node *node)
	process a css stylesheet dom LINK node More...
bool	html_css_process_style (struct html_content *htmlc, dom_node *node)
	process a css style dom node More...
bool	html_css_update_style (struct html_content *htmlc, dom_node *node)
	process a css style dom node update More...

Detailed Description

HTML content handler CSS interface.

Definition in file css.h.

Function Documentation

html_css_fini()

void html_css_fini

(

void

)

Finalise html content css handling.

Definition at line 747 of file css.c.

References html_adblock_stylesheet_url, html_default_stylesheet_url, html_quirks_stylesheet_url, html_user_stylesheet_url, and nsurl_unref().

Referenced by html_fini().

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html_css_free_stylesheets()

nserror html_css_free_stylesheets

(

struct html_content *

html

)

Free all css stylesheets associated with an HTML content.

Parameters

html	The HTML content to free stylesheets from.

Returns

NSERROR_OK on success or error code.

Definition at line 531 of file css.c.

References guit, hlcache_handle_release(), html_css_process_modified_styles(), netsurf_table::misc, html_stylesheet::node, NSERROR_OK, gui_misc_table::schedule, html_stylesheet::sheet, html_content::stylesheet_count, and html_content::stylesheets.

Referenced by html_destroy().

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html_css_init()

nserror html_css_init

(

void

)

Initialise html content css handling.

Returns

NSERROR_OK on success else error code

Definition at line 716 of file css.c.

References html_adblock_stylesheet_url, html_css_fetcher_register(), html_default_stylesheet_url, html_quirks_stylesheet_url, html_user_stylesheet_url, NSERROR_OK, and nsurl_create().

Referenced by html_init().

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html_css_new_selection_context()

nserror html_css_new_selection_context	(	struct html_content *	c,
		css_select_ctx **	select_ctx
	)

create a new css selection context for an html content.

Parameters

c	The html content to create css selction on.
select_ctx	A pointer to receive the new context.

Returns

NSERROR_OK on success and select_ctx updated else error code

Definition at line 653 of file css.c.

References css_error_to_nserror(), nscss_get_stylesheet(), NSERROR_CSS_BASE, NSERROR_OK, html_stylesheet::sheet, STYLESHEET_BASE, html_content::stylesheet_count, STYLESHEET_START, STYLESHEET_USER, html_content::stylesheets, and html_stylesheet::unused.

Referenced by html_finish_conversion().

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html_css_new_stylesheets()

nserror html_css_new_stylesheets

(

struct html_content *

c

)

Initialise core stylesheets for a content.

Parameters

c	content structure to update

Returns

NSERROR_OK on success or error code

Definition at line 581 of file css.c.

References content::active, html_content::base, hlcache_child_context::charset, CONTENT_CSS, content_get_url(), html_content::encoding, hlcache_handle_retrieve(), html_adblock_stylesheet_url, html_convert_css_callback(), html_default_stylesheet_url, html_user_stylesheet_url, NSERROR_NOMEM, NSERROR_OK, NSLOG, nsoption_bool, content::quirks, hlcache_child_context::quirks, html_stylesheet::sheet, STYLESHEET_ADBLOCK, STYLESHEET_BASE, html_content::stylesheet_count, STYLESHEET_QUIRKS, STYLESHEET_START, STYLESHEET_USER, and html_content::stylesheets.

Referenced by html_create().

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html_css_process_link()

bool html_css_process_link	(	struct html_content *	htmlc,
		dom_node *	node
	)

process a css stylesheet dom LINK node

Parameters

htmlc	The HTML content.
node	the DOM link node to process.

Returns

true on success else false.

Definition at line 385 of file css.c.

References content::active, html_content::base, html_content::base_url, hlcache_child_context::charset, content_broadcast_error(), CONTENT_CSS, content_get_url(), html_content::encoding, hlcache_handle_retrieve(), html_convert_css_callback(), html_stylesheet::modified, html_stylesheet::node, NSERROR_NOMEM, NSERROR_OK, NSLOG, nsoption_bool, nsurl_access(), nsurl_join(), nsurl_unref(), content::quirks, hlcache_child_context::quirks, html_stylesheet::sheet, strcasestr(), html_content::stylesheet_count, html_content::stylesheets, and html_stylesheet::unused.

Referenced by html_process_inserted_link().

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html_css_process_style()

bool html_css_process_style	(	struct html_content *	htmlc,
		dom_node *	node
	)

process a css style dom node

Parameters

htmlc	The HTML content.
node	the DOM node to process.

Returns

true on success else false.

Definition at line 352 of file css.c.

References html_stylesheet::node, strcasestr(), html_content::stylesheet_count, html_content::stylesheets, and html_stylesheet::unused.

Referenced by dom_default_action_DOMNodeInserted_cb().

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html_css_quirks_stylesheets()

nserror html_css_quirks_stylesheets

(

struct html_content *

c

)

Initialise quirk stylesheets for a content.

Parameters

c	content structure to update

Returns

NSERROR_OK on success or error code

Definition at line 552 of file css.c.

References content::active, html_content::base, hlcache_child_context::charset, CONTENT_CSS, content_get_url(), html_content::encoding, hlcache_handle_retrieve(), html_convert_css_callback(), html_quirks_stylesheet_url, NSERROR_OK, NSLOG, content::quirks, html_content::quirks, hlcache_child_context::quirks, html_stylesheet::sheet, STYLESHEET_QUIRKS, and html_content::stylesheets.

Referenced by html_convert().

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html_css_saw_insecure_stylesheets()

bool html_css_saw_insecure_stylesheets

(

struct html_content *

htmlc

)

determine if any of the stylesheets were loaded insecurely

Parameters

htmlc

The HTML content to check.

Returns

true if there were insecurely loadd stylesheets else false.

Definition at line 512 of file css.c.

References content_saw_insecure_objects(), html_stylesheet::sheet, and html_content::stylesheets.

Referenced by html_saw_insecure_objects().

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html_css_update_style()

bool html_css_update_style	(	struct html_content *	htmlc,
		dom_node *	node
	)

process a css style dom node update

Parameters

htmlc	The HTML content.
node	the DOM node to process.

Returns

true on success else false.

Definition at line 323 of file css.c.

References guit, html_create_style_element(), html_css_process_modified_styles(), netsurf_table::misc, html_stylesheet::modified, html_stylesheet::node, NSLOG, gui_misc_table::schedule, html_content::stylesheet_count, and html_content::stylesheets.

Referenced by dom_default_action_DOMSubtreeModified_cb().

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