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 #include "compat.h"
18 
19 #include <stdlib.h>
20 #include <string.h>
21 
22 #include "telescope.h"
23 #include "ui.h"
24 
25 struct downloads downloads = STAILQ_HEAD_INITIALIZER(downloads);
26 
27 static void
28 no_downloads()
29 {
30 	struct line	*l;
31 
32 	if ((l = calloc(1, sizeof(*l))) == NULL)
33 		abort();
34 
35 	l->type = LINE_DOWNLOAD_INFO;
36 	l->line = strdup("No downloads");
37 
38 	TAILQ_INSERT_TAIL(&downloadwin.page.head, l, lines);
39 }
40 
41 void
42 recompute_downloads(void)
43 {
44 	struct download *d;
45 	struct line	*l;
46 	char		 buf[FMT_SCALED_STRSIZE];
47 
48 	downloadwin.page.name = "*Downloads*";
49 	erase_buffer(&downloadwin);
50 
51 	if (STAILQ_EMPTY(&downloads)) {
52 		no_downloads();
53 		goto end;
54 	}
55 
56 	STAILQ_FOREACH(d, &downloads, entries) {
57 		if ((l = calloc(1, sizeof(*l))) == NULL)
58 			abort();
59 
60 		fmt_scaled(d->bytes, buf);
61 
62 		l->type = LINE_DOWNLOAD;
63 		if (d->fd == -1)
64 			l->type = LINE_DOWNLOAD_DONE;
65 
66 		l->line = strdup(buf);
67 		l->alt = strdup(d->path);
68 
69 		TAILQ_INSERT_TAIL(&downloadwin.page.head, l, lines);
70 	}
71 
72 end:
73 	wrap_page(&downloadwin, download_lines);
74 }
75 
76 void
77 enqueue_download(uint32_t id, const char *path)
78 {
79 	struct download *d;
80 
81 	if ((d = calloc(1, sizeof(*d))) == NULL)
82 		abort();
83 
84 	d->id = id;
85 	d->fd = -1;
86 	d->path = strdup(path);
87 
88 	STAILQ_INSERT_TAIL(&downloads, d, entries);
89 }
90 
91 struct download *
92 download_by_id(uint32_t id)
93 {
94 	struct download *d;
95 
96 	STAILQ_FOREACH(d, &downloads, entries) {
97 		if (d->id == id)
98 			return d;
99 	}
100 
101 	return NULL;
102 }