Blob


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 */
17 #include "compat.h"
19 #include <stdlib.h>
20 #include <string.h>
22 #include "telescope.h"
23 #include "ui.h"
25 struct downloads downloads = STAILQ_HEAD_INITIALIZER(downloads);
27 static void
28 no_downloads(void)
29 {
30 struct line *l;
32 if ((l = calloc(1, sizeof(*l))) == NULL)
33 abort();
35 l->type = LINE_DOWNLOAD_INFO;
36 l->line = strdup("No downloads");
38 TAILQ_INSERT_TAIL(&downloadwin.page.head, l, lines);
39 }
41 void
42 recompute_downloads(void)
43 {
44 struct download *d;
45 struct line *l;
46 char buf[FMT_SCALED_STRSIZE];
48 downloadwin.page.name = "*Downloads*";
49 erase_buffer(&downloadwin);
51 if (STAILQ_EMPTY(&downloads)) {
52 no_downloads();
53 goto end;
54 }
56 STAILQ_FOREACH(d, &downloads, entries) {
57 if ((l = calloc(1, sizeof(*l))) == NULL)
58 abort();
60 fmt_scaled(d->bytes, buf);
62 l->type = LINE_DOWNLOAD;
63 if (d->fd == -1)
64 l->type = LINE_DOWNLOAD_DONE;
66 l->line = strdup(buf);
67 l->alt = strdup(d->path);
69 TAILQ_INSERT_TAIL(&downloadwin.page.head, l, lines);
70 }
72 end:
73 /*
74 * The exact value doesn't matter, as wrap_page only considers
75 * l->line, which is the human representation of the byte
76 * counter, and we know for sure is < FMT_SCALED_STRSIZE so it
77 * fits.
78 */
79 wrap_page(&downloadwin, download_cols);
80 }
82 struct download *
83 enqueue_download(uint32_t id, const char *path)
84 {
85 struct download *d;
87 if ((d = calloc(1, sizeof(*d))) == NULL)
88 abort();
90 d->id = id;
91 d->fd = -1;
92 d->path = strdup(path);
94 STAILQ_INSERT_HEAD(&downloads, d, entries);
96 return d;
97 }
99 struct download *
100 download_by_id(uint32_t id)
102 struct download *d;
104 STAILQ_FOREACH(d, &downloads, entries) {
105 if (d->id == id)
106 return d;
109 return NULL;