2 * This file is part of DisOrder
3 * Copyright (C) 2006-2008 Richard Kettlewell
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20 #include "disobedience.h"
21 #include "queue-generic.h"
23 /** @brief The actual queue */
24 static struct queue_entry
*actual_queue
;
25 static struct queue_entry
*actual_playing_track
;
27 /** @brief The playing track */
28 struct queue_entry
*playing_track
;
30 /** @brief When we last got the playing track */
33 static void queue_completed(void *v
,
35 struct queue_entry
*q
);
36 static void playing_completed(void *v
,
38 struct queue_entry
*q
);
40 /** @brief Called when either the actual queue or the playing track change */
41 static void queue_playing_changed(void) {
43 /* Check that the playing track isn't in the queue. There's a race here due
44 * to the fact that we issue the two commands at slightly different times.
45 * If it goes wrong we re-issue and try again, so that we never offer up an
46 * inconsistent state. */
47 if(actual_playing_track
) {
48 struct queue_entry
*q
;
49 for(q
= actual_queue
; q
; q
= q
->next
)
50 if(!strcmp(q
->id
, actual_playing_track
->id
))
53 disorder_eclient_playing(client
, playing_completed
, 0);
54 disorder_eclient_queue(client
, queue_completed
, 0);
59 struct queue_entry
*q
= xmalloc(sizeof *q
);
60 if(actual_playing_track
) {
61 *q
= *actual_playing_track
;
62 q
->next
= actual_queue
;
68 time(&last_playing
); /* for column_length() */
69 ql_new_queue(&ql_queue
, q
);
70 /* Tell anyone who cares */
71 event_raise("queue-list-changed", q
);
72 event_raise("playing-track-changed", q
);
75 /** @brief Update the queue itself */
76 static void queue_completed(void attribute((unused
)) *v
,
78 struct queue_entry
*q
) {
80 popup_protocol_error(0, error
);
84 queue_playing_changed();
87 /** @brief Update the playing track */
88 static void playing_completed(void attribute((unused
)) *v
,
90 struct queue_entry
*q
) {
92 popup_protocol_error(0, error
);
95 actual_playing_track
= q
;
96 queue_playing_changed();
99 /** @brief Schedule an update to the queue
101 * Called whenever a track is added to it or removed from it.
103 static void queue_changed(const char attribute((unused
)) *event
,
104 void attribute((unused
)) *eventdata
,
105 void attribute((unused
)) *callbackdata
) {
106 D(("queue_changed"));
107 gtk_label_set_text(GTK_LABEL(report_label
), "updating queue");
108 disorder_eclient_queue(client
, queue_completed
, 0);
111 /** @brief Schedule an update to the playing track
113 * Called whenever it changes
115 static void playing_changed(const char attribute((unused
)) *event
,
116 void attribute((unused
)) *eventdata
,
117 void attribute((unused
)) *callbackdata
) {
118 D(("playing_changed"));
119 gtk_label_set_text(GTK_LABEL(report_label
), "updating playing track");
120 disorder_eclient_playing(client
, playing_completed
, 0);
123 /** @brief Called regularly
125 * Updates the played-so-far field
127 static gboolean
playing_periodic(gpointer
attribute((unused
)) data
) {
128 /* If there's a track playing, update its row */
130 ql_update_row(playing_track
, 0);
134 /** @brief Called at startup */
135 static void queue_init(void) {
136 /* Arrange a callback whenever the playing state changes */
137 event_register("playing-changed", playing_changed
, 0);
138 /* We reget both playing track and queue at pause/resume so that start times
139 * can be computed correctly */
140 event_register("pause-changed", playing_changed
, 0);
141 event_register("pause-changed", queue_changed
, 0);
142 /* Reget the queue whenever it changes */
143 event_register("queue-changed", queue_changed
, 0);
144 /* ...and once a second anyway */
145 g_timeout_add(1000/*ms*/, playing_periodic
, 0);
148 /** @brief Columns for the queue */
149 static const struct queue_column queue_columns
[] = {
150 { "When", column_when
, 0, COL_RIGHT
},
151 { "Who", column_who
, 0, 0 },
152 { "Artist", column_namepart
, "artist", COL_EXPAND
|COL_ELLIPSIZE
},
153 { "Album", column_namepart
, "album", COL_EXPAND
|COL_ELLIPSIZE
},
154 { "Title", column_namepart
, "title", COL_EXPAND
|COL_ELLIPSIZE
},
155 { "Length", column_length
, 0, COL_RIGHT
}
158 /** @brief Pop-up menu for queue */
159 static struct queue_menuitem queue_menuitems
[] = {
160 { "Track properties", ql_properties_activate
, ql_properties_sensitive
, 0, 0 },
161 { "Select all tracks", ql_selectall_activate
, ql_selectall_sensitive
, 0, 0 },
162 { "Deselect all tracks", ql_selectnone_activate
, ql_selectnone_sensitive
, 0, 0 },
163 { "Scratch playing track", ql_scratch_activate
, ql_scratch_sensitive
, 0, 0 },
164 { "Remove track from queue", ql_remove_activate
, ql_remove_sensitive
, 0, 0 },
167 struct queuelike ql_queue
= {
170 .columns
= queue_columns
,
171 .ncolumns
= sizeof queue_columns
/ sizeof *queue_columns
,
172 .menuitems
= queue_menuitems
,
173 .nmenuitems
= sizeof queue_menuitems
/ sizeof *queue_menuitems
176 GtkWidget
*queue_widget(void) {
177 return init_queuelike(&ql_queue
);
180 /** @brief Return nonzero if @p track is in the queue */
181 int queued(const char *track
) {
182 struct queue_entry
*q
;
184 D(("queued %s", track
));
185 for(q
= ql_queue
.q
; q
; q
= q
->next
)
186 if(!strcmp(q
->track
, track
))