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/*
* Copyright 2020 Vincent Sanders <vince@netsurf-browser.org>
*
* 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
* HTML content handler CSS interface.
*/
#ifndef NETSURF_HTML_CSS_H
#define NETSURF_HTML_CSS_H
/**
* Initialise html content css handling.
*
* \return NSERROR_OK on success else error code
*/
nserror html_css_init(void);
/**
* Finalise html content css handling.
*/
void html_css_fini(void);
/**
* create a new css selection context for an html content.
*
* \param c The html content to create css selction on.
* \param select_ctx A pointer to receive the new context.
* \return NSERROR_OK on success and \a select_ctx updated else error code
*/
nserror html_css_new_selection_context(struct html_content *c, css_select_ctx **select_ctx);
/**
* Initialise core stylesheets for a content
*
* \param c content structure to update
* \return NSERROR_OK on success or error code
*/
nserror html_css_new_stylesheets(struct html_content *c);
/**
* Initialise quirk stylesheets for a content
*
* \param c content structure to update
* \return NSERROR_OK on success or error code
*/
nserror html_css_quirks_stylesheets(struct html_content *c);
/**
* Free all css stylesheets associated with an HTML content.
*
* \param html The HTML content to free stylesheets from.
* \return NSERROR_OK on success or error code.
*/
nserror html_css_free_stylesheets(struct html_content *html);
/**
* determine if any of the stylesheets were loaded insecurely
*
* \param htmlc The HTML content to check.
* \return true if there were insecurely loadd stylesheets else false.
*/
bool html_css_saw_insecure_stylesheets(struct html_content *htmlc);
/**
* process a css stylesheet dom LINK node
*
* \param htmlc The HTML content.
* \param node the DOM link node to process.
* \return true on success else false.
*/
bool html_css_process_link(struct html_content *htmlc, dom_node *node);
/**
* process a css style dom node
*
* \param htmlc The HTML content.
* \param node the DOM node to process.
* \return true on success else false.
*/
bool html_css_process_style(struct html_content *htmlc, dom_node *node);
/**
* process a css style dom node update
*
* \param htmlc The HTML content.
* \param node the DOM node to process.
* \return true on success else false.
*/
bool html_css_update_style(struct html_content *htmlc, dom_node *node);
#endif
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