1 /*
2  * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #ifndef SESSION_H
18 #define SESSION_H
19 
20 struct ohash;
21 
22 struct session_tab {
23 	uint32_t	flags;
24 	char		uri[GEMINI_URL_LEN];
25 	char		title[TITLE_MAX];
26 	size_t		top_line;
27 	size_t		current_line;
28 };
29 
30 struct session_tab_hist {
31 	char		uri[GEMINI_URL_LEN];
32 	int		future;
33 };
34 
35 struct histitem {
36 	time_t	ts;
37 	char	uri[GEMINI_URL_LEN];
38 };
39 
40 struct history_item {
41 	time_t	 ts;
42 	char	*uri;
43 	int	 dirty;
44 };
45 
46 #define HISTORY_CAP 1000
47 struct history {
48 	struct history_item	items[HISTORY_CAP];
49 	size_t			len;
50 	size_t			dirty;
51 	size_t			extra;
52 };
53 extern struct history history;
54 
55 void		 switch_to_tab(struct tab *);
56 unsigned int	 tab_new_id(void);
57 struct tab	*new_tab(const char *, const char *base, struct tab *);
58 void		 kill_tab(struct tab *, int);
59 struct tab	*unkill_tab(void);
60 void		 free_tab(struct tab *);
61 void		 stop_tab(struct tab*);
62 
63 void		 save_session(void);
64 
65 void		 history_push(struct histitem *);
66 void		 history_sort(void);
67 void		 history_add(const char *);
68 
69 void		 autosave_init(void);
70 void		 autosave_timer(int, short, void *);
71 void		 autosave_hook(void);
72 
73 int		 load_session(struct ohash *);
74 int		 lock_session(void);
75 
76 #endif