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 /** @brief Called when either the actual queue or the playing track change */
34 static void queue_playing_changed(void) {
35 struct queue_entry *q = xmalloc(sizeof *q);
37 if(actual_playing_track) {
38 *q = *actual_playing_track;
39 q->next = actual_queue;
45 time(&last_playing); /* for column_length() */
46 ql_new_queue(&ql_queue, q);
47 /* Tell anyone who cares */
48 event_raise("queue-list-changed", q);
49 event_raise("playing-track-changed", q);
52 /** @brief Update the queue itself */
53 static void queue_completed(void attribute((unused)) *v,
55 struct queue_entry *q) {
57 popup_protocol_error(0, error);
61 queue_playing_changed();
64 /** @brief Update the playing track */
65 static void playing_completed(void attribute((unused)) *v,
67 struct queue_entry *q) {
69 popup_protocol_error(0, error);
72 actual_playing_track = q;
73 queue_playing_changed();
76 /** @brief Schedule an update to the queue
78 * Called whenever a track is added to it or removed from it.
80 static void queue_changed(const char attribute((unused)) *event,
81 void attribute((unused)) *eventdata,
82 void attribute((unused)) *callbackdata) {
84 gtk_label_set_text(GTK_LABEL(report_label), "updating queue");
85 disorder_eclient_queue(client, queue_completed, 0);
88 /** @brief Schedule an update to the playing track
90 * Called whenever it changes
92 static void playing_changed(const char attribute((unused)) *event,
93 void attribute((unused)) *eventdata,
94 void attribute((unused)) *callbackdata) {
95 D(("playing_changed"));
96 gtk_label_set_text(GTK_LABEL(report_label), "updating playing track");
97 disorder_eclient_playing(client, playing_completed, 0);
100 /** @brief Called regularly
102 * Updates the played-so-far field
104 static gboolean playing_periodic(gpointer attribute((unused)) data) {
105 /* If there's a track playing, update its row */
107 ql_update_row(playing_track, 0);
111 /** @brief Called at startup */
112 static void queue_init(void) {
113 /* Arrange a callback whenever the playing state changes */
114 event_register("playing-changed", playing_changed, 0);
115 /* We reget both playing track and queue at pause/resume so that start times
116 * can be computed correctly */
117 event_register("pause-changed", playing_changed, 0);
118 event_register("pause-changed", queue_changed, 0);
119 /* Reget the queue whenever it changes */
120 event_register("queue-changed", queue_changed, 0);
121 /* ...and once a second anyway */
122 g_timeout_add(1000/*ms*/, playing_periodic, 0);
125 /** @brief Columns for the queue */
126 static const struct queue_column queue_columns[] = {
127 { "When", column_when, 0, COL_RIGHT },
128 { "Who", column_who, 0, 0 },
129 { "Artist", column_namepart, "artist", COL_EXPAND|COL_ELLIPSIZE },
130 { "Album", column_namepart, "album", COL_EXPAND|COL_ELLIPSIZE },
131 { "Title", column_namepart, "title", COL_EXPAND|COL_ELLIPSIZE },
132 { "Length", column_length, 0, COL_RIGHT }
135 /** @brief Pop-up menu for queue */
136 static struct queue_menuitem queue_menuitems[] = {
137 { "Track properties", ql_properties_activate, ql_properties_sensitive, 0, 0 },
138 { "Select all tracks", ql_selectall_activate, ql_selectall_sensitive, 0, 0 },
139 { "Deselect all tracks", ql_selectnone_activate, ql_selectnone_sensitive, 0, 0 },
140 { "Scratch track", ql_scratch_activate, ql_scratch_sensitive, 0, 0 },
141 { "Remove track from queue", ql_remove_activate, ql_remove_sensitive, 0, 0 },
144 struct queuelike ql_queue = {
147 .columns = queue_columns,
148 .ncolumns = sizeof queue_columns / sizeof *queue_columns,
149 .menuitems = queue_menuitems,
150 .nmenuitems = sizeof queue_menuitems / sizeof *queue_menuitems,
153 GtkWidget *queue_widget(void) {
154 return init_queuelike(&ql_queue);
157 /** @brief Return nonzero if @p track is in the queue */
158 int queued(const char *track) {
159 struct queue_entry *q;
161 D(("queued %s", track));
162 for(q = ql_queue.q; q; q = q->next)
163 if(!strcmp(q->track, track))