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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