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Diffstat (limited to 'content/handlers/html/html.h')
| -rw-r--r-- | content/handlers/html/html.h | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/content/handlers/html/html.h b/content/handlers/html/html.h new file mode 100644 index 000000000..691e969a5 --- /dev/null +++ b/content/handlers/html/html.h @@ -0,0 +1,187 @@ +/* + * Copyright 2004 James Bursa <bursa@users.sourceforge.net> + * + * 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 + * Interface to text/html content handler. + * + * These functions should in general be called via the content interface. + */ + +#ifndef NETSURF_HTML_HTML_H +#define NETSURF_HTML_HTML_H + +#include <stdbool.h> + +#include <dom/dom.h> +#include <dom/bindings/hubbub/parser.h> + +#include "netsurf/types.h" +#include "netsurf/content_type.h" +#include "netsurf/browser_window.h" +#include "netsurf/mouse.h" +#include "desktop/frame_types.h" + +struct fetch_multipart_data; +struct box; +struct rect; +struct browser_window; +struct content; +struct hlcache_handle; +struct http_parameter; +struct imagemap; +struct object_params; +struct plotters; +struct textarea; +struct scrollbar; +struct scrollbar_msg_data; +struct search_context; +struct selection; +struct nsurl; +struct plot_font_style; + +/** + * Container for stylesheets used by an HTML document + */ +struct html_stylesheet { + struct dom_node *node; /**< dom node associated with sheet */ + struct hlcache_handle *sheet; + bool modified; + bool unused; +}; + +/** + * Container for scripts used by an HTML document + */ +struct html_script { + /** Type of script */ + enum html_script_type { HTML_SCRIPT_INLINE, + HTML_SCRIPT_SYNC, + HTML_SCRIPT_DEFER, + HTML_SCRIPT_ASYNC } type; + union { + struct hlcache_handle *handle; + struct dom_string *string; + } data; /**< Script data */ + struct dom_string *mimetype; + struct dom_string *encoding; + bool already_started; + bool parser_inserted; + bool force_async; + bool ready_exec; + bool async; + bool defer; +}; + + +/** + * An object (img, object, etc. tag) in a CONTENT_HTML document. + */ +struct content_html_object { + struct content *parent; /**< Parent document */ + struct content_html_object *next; /**< Next in chain */ + + struct hlcache_handle *content; /**< Content, or 0. */ + struct box *box; /**< Node in box tree containing it. */ + /** Bitmap of acceptable content types */ + content_type permitted_types; + bool background; /**< This object is a background image. */ +}; + +struct html_scrollbar_data { + struct content *c; + struct box *box; +}; + +/** Frame tree (frameset or frame tag) */ +struct content_html_frames { + int cols; /** number of columns in frameset */ + int rows; /** number of rows in frameset */ + + struct frame_dimension width; /** frame width */ + struct frame_dimension height; /** frame width */ + int margin_width; /** frame margin width */ + int margin_height; /** frame margin height */ + + char *name; /** frame name (for targetting) */ + struct nsurl *url; /** frame url */ + + bool no_resize; /** frame is not resizable */ + browser_scrolling scrolling; /** scrolling characteristics */ + bool border; /** frame has a border */ + colour border_colour; /** frame border colour */ + + struct content_html_frames *children; /** [cols * rows] children */ +}; + +/** Inline frame list (iframe tag) */ +struct content_html_iframe { + struct box *box; + + int margin_width; /** frame margin width */ + int margin_height; /** frame margin height */ + + char *name; /** frame name (for targetting) */ + struct nsurl *url; /** frame url */ + + browser_scrolling scrolling; /** scrolling characteristics */ + bool border; /** frame has a border */ + colour border_colour; /** frame border colour */ + + struct content_html_iframe *next; +}; + +/* entries in stylesheet_content */ +#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 */ + +nserror html_init(void); + +void html_redraw_a_box(struct hlcache_handle *h, struct box *box); + +void html_overflow_scroll_drag_end(struct scrollbar *scrollbar, + browser_mouse_state mouse, int x, int y); + +dom_document *html_get_document(struct hlcache_handle *h); +struct box *html_get_box_tree(struct hlcache_handle *h); +struct content_html_frames *html_get_frameset(struct hlcache_handle *h); +struct content_html_iframe *html_get_iframe(struct hlcache_handle *h); +struct nsurl *html_get_base_url(struct hlcache_handle *h); +const char *html_get_base_target(struct hlcache_handle *h); +void html_set_file_gadget_filename(struct hlcache_handle *hl, + struct form_control *gadget, const char *fn); + +/** + * Retrieve stylesheets used by HTML document + * + * \param h Content to retrieve stylesheets from + * \param n Pointer to location to receive number of sheets + * \return Pointer to array of stylesheets + */ +struct html_stylesheet *html_get_stylesheets(struct hlcache_handle *h, + unsigned int *n); + +struct content_html_object *html_get_objects(struct hlcache_handle *h, + unsigned int *n); +bool html_get_id_offset(struct hlcache_handle *h, lwc_string *frag_id, + int *x, int *y); + +#endif |