aboutsummaryrefslogtreecommitdiffstats
path: root/mpd-notification.c
blob: a2e2295f73ec52955f3c8c8b564bc1f215499ff4 (about) (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
/*
 * (C) 2011-2013 by Christian Hesse <mail@eworm.de>
 *
 * This software may be used and distributed according to the terms
 * of the GNU General Public License, incorporated herein by reference.
 */

#include <mpd/client.h>

#include <libnotify/notify.h>

#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>

#include "config.h"

#define PROGNAME	"mpd-notification"

#define NOTIFICATION_TIMEOUT	10000
#ifndef DEBUG
#define DEBUG	0
#endif

/* global variables */
char *program = NULL;
NotifyNotification * notification = NULL;

/*** show_again ***/
void show_again(int signal) {
	GError * error = NULL;

	if (!notify_notification_show(notification, &error)) {
		g_printerr("%s: Error \"%s\" while trying to show notification again.\n", program, error->message);
		g_error_free(error);
	}
}

/*** main ***/
int main(int argc, char ** argv) {
	char * album = NULL, * artist = NULL, * notifystr = NULL, * title = NULL;
	GError * error = NULL;
	unsigned short int errcount = 0, state = MPD_STATE_UNKNOWN;
	const char * mpd_host = MPD_HOST;
	unsigned mpd_port = MPD_PORT, mpd_timeout = MPD_TIMEOUT;
	struct mpd_connection * conn = NULL;
	struct mpd_song * song = NULL;

	program = argv[0];

	printf("%s: %s v%s (compiled: " __DATE__ ", " __TIME__
#			if DEBUG
			", with debug output"
#			endif
			")\n", program, PROGNAME, VERSION);

#	if DEBUG
	printf("%s: Started with PID %d\n", program, getpid());
#	endif

	conn = mpd_connection_new(mpd_host, mpd_port, mpd_timeout);

	if (mpd_connection_get_error(conn) != MPD_ERROR_SUCCESS) {
		fprintf(stderr,"%s: %s\n", program, mpd_connection_get_error_message(conn));
		mpd_connection_free(conn);
		exit(EXIT_FAILURE);
	}

	if(!notify_init(PROGNAME)) {
		fprintf(stderr, "%s: Can't create notify.\n", program);
		exit(EXIT_FAILURE);
	}

	notification =
#		if NOTIFY_CHECK_VERSION(0, 7, 0)
		notify_notification_new(TEXT_TOPIC, TEXT_NONE, ICON_SOUND);
#		else
		notify_notification_new(TEXT_TOPIC, TEXT_NONE, ICON_SOUND, NULL);
#		endif
	notify_notification_set_category(notification, PROGNAME);
	notify_notification_set_urgency (notification, NOTIFY_URGENCY_NORMAL);

	signal(SIGUSR1, show_again);

	while(mpd_run_idle_mask(conn, MPD_IDLE_PLAYER)) {
		mpd_command_list_begin(conn, true);
		mpd_send_status(conn);
		mpd_send_current_song(conn);
		mpd_command_list_end(conn);

		state = mpd_status_get_state(mpd_recv_status(conn));
		if (state == MPD_STATE_PLAY) {
			mpd_response_next(conn);

			song = mpd_recv_song(conn);

			if ((title = g_markup_escape_text(mpd_song_get_tag(song, MPD_TAG_TITLE, 0), -1)) == NULL)
				title = TEXT_UNKNOWN;
			if ((artist = g_markup_escape_text(mpd_song_get_tag(song, MPD_TAG_ARTIST, 0), -1)) == NULL)
				artist = TEXT_UNKNOWN;
			if ((album = g_markup_escape_text(mpd_song_get_tag(song, MPD_TAG_ALBUM, 0), -1)) == NULL)
				album = TEXT_UNKNOWN;

			notifystr = malloc(sizeof(TEXT_PLAY) + strlen(title) + strlen(artist) + strlen(album));
			sprintf(notifystr, TEXT_PLAY, title, artist, album);

			mpd_song_free(song);
		} else if (state == MPD_STATE_PAUSE)
			notifystr = TEXT_PAUSE;
		else if (state == MPD_STATE_STOP)
			notifystr = TEXT_STOP;
		else
			notifystr = TEXT_UNKNOWN;

#		if DEBUG
		printf("%s: %s\n", program, notifystr);
#		endif

		notify_notification_update(notification, TEXT_TOPIC, notifystr, ICON_SOUND);

		notify_notification_set_timeout(notification, NOTIFICATION_TIMEOUT);

		while(!notify_notification_show(notification, &error)) {
			if (errcount > 1) {
				fprintf(stderr, "%s: Looks like we can not reconnect to notification daemon... Exiting.\n", program);
				exit(EXIT_FAILURE);
			} else {
				g_printerr("%s: Error \"%s\" while trying to show notification. Trying to reconnect.\n", program, error->message);
				errcount++;

				g_error_free(error);
				error = NULL;

				notify_uninit();

				usleep(500 * 1000);

				if(!notify_init(PROGNAME)) {
					fprintf(stderr, "%s: Can't create notify.\n", program);
					exit(EXIT_FAILURE);
				}
			}
		}
		errcount = 0;

		if (state == MPD_STATE_PLAY)
			free(notifystr);
		mpd_response_finish(conn);
	}
	mpd_connection_free(conn);

	g_object_unref(G_OBJECT(notification));
	notify_uninit();

	return EXIT_SUCCESS;
}