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/**
* $Id: content.h,v 1.5 2003/04/06 18:09:34 bursa Exp $
*/
#ifndef _NETSURF_DESKTOP_CONTENT_H_
#define _NETSURF_DESKTOP_CONTENT_H_
#include "libxml/HTMLparser.h"
#include "netsurf/content/cache.h"
#include "netsurf/css/css.h"
#include "netsurf/render/box.h"
#include "netsurf/riscos/font.h"
/**
* A struct content corresponds to a single url.
*
* It is in one of the following states:
* CONTENT_FETCHING - the data is being fetched and/or converted
* for use by the browser
* CONTENT_READY - the content has been processed and is ready
* to display
*
* The converted data is stored in the cache, not the source data.
* Users of the structure are counted in use_count; when use_count = 0
* the content may be removed from the memory cache.
*/
typedef enum {CONTENT_HTML, CONTENT_TEXTPLAIN, CONTENT_JPEG, CONTENT_CSS,
CONTENT_PNG, CONTENT_OTHER} content_type;
struct box_position
{
struct box* box;
int actual_box_x;
int actual_box_y;
int plot_index;
int pixel_offset;
int char_offset;
};
struct content
{
char *url;
content_type type;
enum {CONTENT_LOADING, CONTENT_READY} status;
unsigned long width, height;
union
{
struct
{
htmlParserCtxt* parser;
xmlDoc* document;
xmlNode* markup;
struct box* layout;
unsigned int stylesheet_count;
char **stylesheet_url;
struct content **stylesheet_content;
struct css_style* style;
struct {
struct box_position start;
struct box_position end;
enum {alter_UNKNOWN, alter_START, alter_END} altering;
int selected; /* 0 = unselected, 1 = selected */
} text_selection;
struct font_set* fonts;
struct page_elements elements;
} html;
struct
{
struct css_stylesheet *css;
unsigned int import_count;
struct content **import_content;
} css;
struct
{
char * data;
unsigned long length;
} jpeg;
} data;
struct cache_entry *cache;
unsigned long size;
char *title;
unsigned int active;
int error;
void (*status_callback)(void *p, const char *status);
void *status_p;
};
content_type content_lookup(const char *mime_type);
struct content * content_create(content_type type, char *url);
void content_process_data(struct content *c, char *data, unsigned long size);
int content_convert(struct content *c, unsigned long width, unsigned long height);
void content_revive(struct content *c, unsigned long width, unsigned long height);
void content_reformat(struct content *c, unsigned long width, unsigned long height);
void content_destroy(struct content *c);
#endif
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