213 lines
6.4 KiB
C
213 lines
6.4 KiB
C
/*
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* Copyright 2004 James Bursa <bursa@users.sourceforge.net>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** \file
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* Content for text/html (interface).
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*
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* These functions should in general be called via the content interface.
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*/
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#ifndef _NETSURF_RENDER_HTML_H_
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#define _NETSURF_RENDER_HTML_H_
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#include <stdbool.h>
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#include "content/content_type.h"
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#include "css/css.h"
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#include "desktop/plot_style.h"
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#include "render/parser_binding.h"
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struct box;
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struct rect;
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struct browser_window;
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struct content;
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struct form_successful_control;
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struct imagemap;
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struct object_params;
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struct plotters;
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/* entries in stylesheet_content */
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#define STYLESHEET_BASE 0 /* base style sheet */
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#define STYLESHEET_QUIRKS 1 /* quirks mode stylesheet */
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#define STYLESHEET_ADBLOCK 2 /* adblocking stylesheet */
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#define STYLESHEET_START 3 /* start of document stylesheets */
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extern char *default_stylesheet_url;
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extern char *adblock_stylesheet_url;
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extern char *quirks_stylesheet_url;
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struct frame_dimension {
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float value;
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enum {
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FRAME_DIMENSION_PIXELS, /* '100', '200' */
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FRAME_DIMENSION_PERCENT, /* '5%', '20%' */
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FRAME_DIMENSION_RELATIVE /* '*', '2*' */
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} unit;
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};
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typedef enum {
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SCROLLING_AUTO,
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SCROLLING_YES,
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SCROLLING_NO
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} frame_scrolling;
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/** An object (<img>, <object>, etc.) in a CONTENT_HTML document. */
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struct content_html_object {
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struct content *content; /**< Content, or 0. */
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struct box *box; /**< Node in box tree containing it. */
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/** Pointer to array of permitted content_type, terminated by
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* CONTENT_UNKNOWN, or 0 if any type is acceptable. */
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const content_type *permitted_types;
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bool background; /**< This object is a background image. */
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};
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/** Frame tree (<frameset>, <frame>) */
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struct content_html_frames {
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int cols; /** number of columns in frameset */
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int rows; /** number of rows in frameset */
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struct frame_dimension width; /** frame width */
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struct frame_dimension height; /** frame width */
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int margin_width; /** frame margin width */
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int margin_height; /** frame margin height */
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char *name; /** frame name (for targetting) */
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char *url; /** frame url */
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bool no_resize; /** frame is not resizable */
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frame_scrolling scrolling; /** scrolling characteristics */
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bool border; /** frame has a border */
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colour border_colour; /** frame border colour */
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struct content_html_frames *children; /** [cols * rows] children */
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};
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/** Inline frame list (<iframe>) */
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struct content_html_iframe {
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struct box *box;
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int margin_width; /** frame margin width */
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int margin_height; /** frame margin height */
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char *name; /** frame name (for targetting) */
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char *url; /** frame url */
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frame_scrolling scrolling; /** scrolling characteristics */
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bool border; /** frame has a border */
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colour border_colour; /** frame border colour */
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struct content_html_iframe *next;
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};
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/** Data specific to CONTENT_HTML. */
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struct content_html_data {
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void *parser_binding;
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xmlDoc *document;
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binding_quirks_mode quirks; /**< Quirkyness of document */
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lwc_context *dict; /**< Internment context for this document */
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char *encoding; /**< Encoding of source, 0 if unknown. */
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binding_encoding_source encoding_source;
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/**< Source of encoding information. */
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char *base_url; /**< Base URL (may be a copy of content->url). */
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char *base_target; /**< Base target */
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struct box *layout; /**< Box tree, or 0. */
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colour background_colour; /**< Document background colour. */
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const struct font_functions *font_func;
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/** Number of entries in stylesheet_content. */
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unsigned int stylesheet_count;
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/** Stylesheets. Each may be 0. */
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struct nscss_import *stylesheets;
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/**< Style selection context */
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css_select_ctx *select_ctx;
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/** Number of entries in object. */
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unsigned int object_count;
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/** Objects. Each may be 0. */
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struct content_html_object *object;
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/** Forms, in reverse order to document. */
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struct form *forms;
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/** Hash table of imagemaps. */
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struct imagemap **imagemaps;
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/** Browser window containing this document, or 0 if not open. */
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struct browser_window *bw;
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/** Frameset information */
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struct content_html_frames *frameset;
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/** Inline frame information */
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struct content_html_iframe *iframe;
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/** Content of type CONTENT_HTML containing this, or 0 if not an object
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* within a page. */
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struct content *page;
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/** Index in page->data.html.object, or 0 if not an object. */
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unsigned int index;
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/** Box containing this, or 0 if not an object. */
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struct box *box;
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};
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/** Render padding and margin box outlines in html_redraw(). */
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extern bool html_redraw_debug;
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bool html_create(struct content *c, struct content *parent,
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const char *params[]);
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bool html_process_data(struct content *c, char *data, unsigned int size);
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bool html_convert(struct content *c, int width, int height);
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void html_reformat(struct content *c, int width, int height);
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void html_destroy(struct content *c);
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bool html_fetch_object(struct content *c, const char *url, struct box *box,
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const content_type *permitted_types,
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int available_width, int available_height,
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bool background);
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bool html_replace_object(struct content *c, unsigned int i, char *url,
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char *post_urlenc,
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struct form_successful_control *post_multipart);
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void html_stop(struct content *c);
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void html_open(struct content *c, struct browser_window *bw,
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struct content *page, unsigned int index, struct box *box,
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struct object_params *params);
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void html_close(struct content *c);
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/* in render/html_redraw.c */
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bool html_redraw(struct content *c, int x, int y,
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int width, int height,
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int clip_x0, int clip_y0, int clip_x1, int clip_y1,
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float scale, colour background_colour);
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/* redraw a short text string, complete with highlighting
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(for selection/search) and ghost caret */
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bool text_redraw(const char *utf8_text, size_t utf8_len,
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size_t offset, bool space,
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const plot_font_style_t *fstyle,
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int x, int y,
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struct rect *clip,
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int height,
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float scale,
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bool excluded);
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#endif
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