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(void)
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
	/*
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
}
81

82
struct download *
83
enqueue_download(uint32_t id, const char *path)
84
{
85
	struct download *d;
86

87
	if ((d = calloc(1, sizeof(*d))) == NULL)
88
		abort();
89

90
	d->id = id;
91
	d->fd = -1;
92
	d->path = strdup(path);
93

94
	STAILQ_INSERT_HEAD(&downloads, d, entries);
95

96
	return d;
97
}
98

99
struct download *
100
download_by_id(uint32_t id)
101
{
102
	struct download *d;
103

104
	STAILQ_FOREACH(d, &downloads, entries) {
105
		if (d->id == id)
106
			return d;
107
	}
108

109
	return NULL;
110
}