Commit | Line | Data |
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460b9539 | 1 | /* |
2 | * This file is part of DisOrder | |
fb009628 | 3 | * Copyright (C) 2006-2008 Richard Kettlewell |
460b9539 | 4 | * |
e7eb3a27 | 5 | * This program is free software: you can redistribute it and/or modify |
460b9539 | 6 | * it under the terms of the GNU General Public License as published by |
e7eb3a27 | 7 | * the Free Software Foundation, either version 3 of the License, or |
460b9539 | 8 | * (at your option) any later version. |
9 | * | |
e7eb3a27 RK |
10 | * This program is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
460b9539 | 15 | * You should have received a copy of the GNU General Public License |
e7eb3a27 | 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
460b9539 | 17 | */ |
132a5a4a RK |
18 | /** @file disobedience/queue.c |
19 | * @brief Disobedience queue widget | |
20 | */ | |
717ba987 | 21 | #include "disobedience.h" |
6982880f | 22 | #include "popup.h" |
c133bd3c | 23 | #include "queue-generic.h" |
460b9539 | 24 | |
c133bd3c RK |
25 | /** @brief The actual queue */ |
26 | static struct queue_entry *actual_queue; | |
27 | static struct queue_entry *actual_playing_track; | |
460b9539 | 28 | |
c133bd3c RK |
29 | /** @brief The playing track */ |
30 | struct queue_entry *playing_track; | |
4eb1f430 | 31 | |
3900d6d6 RK |
32 | /** @brief When we last got the playing track |
33 | * | |
34 | * Set to 0 if the timings are currently off due to having just unpaused. | |
35 | */ | |
c133bd3c | 36 | time_t last_playing; |
460b9539 | 37 | |
83fb99f9 | 38 | static void queue_completed(void *v, |
e2717131 | 39 | const char *err, |
83fb99f9 RK |
40 | struct queue_entry *q); |
41 | static void playing_completed(void *v, | |
e2717131 | 42 | const char *err, |
83fb99f9 RK |
43 | struct queue_entry *q); |
44 | ||
c133bd3c RK |
45 | /** @brief Called when either the actual queue or the playing track change */ |
46 | static void queue_playing_changed(void) { | |
83fb99f9 RK |
47 | /* Check that the playing track isn't in the queue. There's a race here due |
48 | * to the fact that we issue the two commands at slightly different times. | |
49 | * If it goes wrong we re-issue and try again, so that we never offer up an | |
50 | * inconsistent state. */ | |
51 | if(actual_playing_track) { | |
52 | struct queue_entry *q; | |
53 | for(q = actual_queue; q; q = q->next) | |
54 | if(!strcmp(q->id, actual_playing_track->id)) | |
55 | break; | |
56 | if(q) { | |
57 | disorder_eclient_playing(client, playing_completed, 0); | |
01237e47 RK |
58 | if(full_mode) |
59 | disorder_eclient_queue(client, queue_completed, 0); | |
83fb99f9 RK |
60 | return; |
61 | } | |
62 | } | |
63 | ||
64 | struct queue_entry *q = xmalloc(sizeof *q); | |
ee7552f8 RK |
65 | if(actual_playing_track) { |
66 | *q = *actual_playing_track; | |
67 | q->next = actual_queue; | |
68 | playing_track = q; | |
69 | } else { | |
70 | playing_track = NULL; | |
71 | q = actual_queue; | |
72 | } | |
c133bd3c RK |
73 | ql_new_queue(&ql_queue, q); |
74 | /* Tell anyone who cares */ | |
75 | event_raise("queue-list-changed", q); | |
76 | event_raise("playing-track-changed", q); | |
460b9539 | 77 | } |
78 | ||
c133bd3c RK |
79 | /** @brief Update the queue itself */ |
80 | static void queue_completed(void attribute((unused)) *v, | |
abf99697 | 81 | const char *err, |
c133bd3c | 82 | struct queue_entry *q) { |
abf99697 RK |
83 | if(err) { |
84 | popup_protocol_error(0, err); | |
c133bd3c | 85 | return; |
3035257f | 86 | } |
01237e47 RK |
87 | if(full_mode) |
88 | actual_queue = q; | |
89 | else | |
90 | actual_queue = NULL; | |
c133bd3c | 91 | queue_playing_changed(); |
460b9539 | 92 | } |
93 | ||
c133bd3c | 94 | /** @brief Update the playing track */ |
460b9539 | 95 | static void playing_completed(void attribute((unused)) *v, |
abf99697 | 96 | const char *err, |
460b9539 | 97 | struct queue_entry *q) { |
abf99697 RK |
98 | if(err) { |
99 | popup_protocol_error(0, err); | |
c133bd3c | 100 | return; |
460b9539 | 101 | } |
c133bd3c RK |
102 | actual_playing_track = q; |
103 | queue_playing_changed(); | |
4265e5d3 | 104 | xtime(&last_playing); |
460b9539 | 105 | } |
106 | ||
c133bd3c | 107 | /** @brief Schedule an update to the queue |
717ba987 | 108 | * |
c133bd3c RK |
109 | * Called whenever a track is added to it or removed from it. |
110 | */ | |
111 | static void queue_changed(const char attribute((unused)) *event, | |
112 | void attribute((unused)) *eventdata, | |
113 | void attribute((unused)) *callbackdata) { | |
114 | D(("queue_changed")); | |
01237e47 RK |
115 | if(!full_mode) |
116 | return; | |
c133bd3c RK |
117 | gtk_label_set_text(GTK_LABEL(report_label), "updating queue"); |
118 | disorder_eclient_queue(client, queue_completed, 0); | |
460b9539 | 119 | } |
120 | ||
c133bd3c | 121 | /** @brief Schedule an update to the playing track |
717ba987 | 122 | * |
c133bd3c | 123 | * Called whenever it changes |
3ffa2d15 | 124 | */ |
a8cd6f84 | 125 | static void playing_changed(const char attribute((unused)) *event, |
c133bd3c RK |
126 | void attribute((unused)) *eventdata, |
127 | void attribute((unused)) *callbackdata) { | |
a8cd6f84 | 128 | D(("playing_changed")); |
3ffa2d15 | 129 | gtk_label_set_text(GTK_LABEL(report_label), "updating playing track"); |
3900d6d6 RK |
130 | /* Setting last_playing=0 means that we don't know what the correct value |
131 | * is right now, e.g. because things have been deranged by a pause. */ | |
132 | last_playing = 0; | |
3ffa2d15 RK |
133 | disorder_eclient_playing(client, playing_completed, 0); |
134 | } | |
135 | ||
c133bd3c | 136 | /** @brief Called regularly |
717ba987 | 137 | * |
c133bd3c | 138 | * Updates the played-so-far field |
717ba987 | 139 | */ |
c133bd3c RK |
140 | static gboolean playing_periodic(gpointer attribute((unused)) data) { |
141 | /* If there's a track playing, update its row */ | |
142 | if(playing_track) | |
143 | ql_update_row(playing_track, 0); | |
e03df0a5 RK |
144 | /* If the first (nonplaying) track starts in the past, update the queue to |
145 | * get new expected start times; but rate limit this checking. (If we only | |
146 | * do it once a minute then the rest of the queue can get out of date too | |
147 | * easily.) */ | |
148 | struct queue_entry *q = ql_queue.q; | |
149 | if(q) { | |
150 | if(q == playing_track) | |
151 | q = q->next; | |
152 | if(q) { | |
153 | time_t now; | |
154 | time(&now); | |
155 | if(q->expected / 15 < now / 15) | |
156 | queue_changed(0,0,0); | |
157 | } | |
158 | } | |
c133bd3c | 159 | return TRUE; |
460b9539 | 160 | } |
161 | ||
c133bd3c | 162 | /** @brief Called at startup */ |
a8c0e917 | 163 | static void queue_init(struct queuelike attribute((unused)) *ql) { |
c133bd3c RK |
164 | /* Arrange a callback whenever the playing state changes */ |
165 | event_register("playing-changed", playing_changed, 0); | |
15837f6a RK |
166 | /* We reget both playing track and queue at pause/resume so that start times |
167 | * can be computed correctly */ | |
c133bd3c | 168 | event_register("pause-changed", playing_changed, 0); |
15837f6a RK |
169 | event_register("pause-changed", queue_changed, 0); |
170 | /* Reget the queue whenever it changes */ | |
c133bd3c RK |
171 | event_register("queue-changed", queue_changed, 0); |
172 | /* ...and once a second anyway */ | |
173 | g_timeout_add(1000/*ms*/, playing_periodic, 0); | |
460b9539 | 174 | } |
175 | ||
4b51f265 | 176 | static void queue_drop_completed(void attribute((unused)) *v, |
82db9336 RK |
177 | const char *err) { |
178 | if(err) { | |
179 | popup_protocol_error(0, err); | |
180 | return; | |
181 | } | |
182 | /* The log should tell us the queue changed so we do no more here */ | |
183 | } | |
184 | ||
185 | /** @brief Called when drag+drop completes */ | |
a8c0e917 | 186 | static void queue_drop(struct queuelike attribute((unused)) *ql, |
0beb320e | 187 | int ntracks, |
4b51f265 | 188 | char **tracks, char **ids, |
0beb320e | 189 | struct queue_entry *after_me) { |
82db9336 | 190 | int n; |
4b51f265 RK |
191 | |
192 | if(ids) { | |
193 | /* Rearrangement */ | |
194 | if(playing_track) { | |
195 | /* If there's a playing track then you can't drag it anywhere */ | |
196 | for(n = 0; n < ntracks; ++n) { | |
197 | if(!strcmp(playing_track->id, ids[n])) { | |
198 | fprintf(stderr, "cannot drag playing track\n"); | |
199 | return; | |
200 | } | |
0beb320e | 201 | } |
4b51f265 RK |
202 | /* You can't tell the server to drag after the playing track by ID, you |
203 | * have to send "". */ | |
204 | if(after_me == playing_track) | |
205 | after_me = NULL; | |
206 | /* If you try to drag before the playing track (i.e. after_me=NULL on | |
207 | * input) then the effect is just to drag after it, although there's no | |
208 | * longer code to explicitly implement this. */ | |
82db9336 | 209 | } |
4b51f265 RK |
210 | /* Tell the server to move them. The log will tell us about the change (if |
211 | * indeed it succeeds!), so no need to rearrange the model now. */ | |
212 | disorder_eclient_moveafter(client, | |
213 | after_me ? after_me->id : "", | |
214 | ntracks, (const char **)ids, | |
215 | queue_drop_completed, NULL); | |
216 | } else { | |
217 | /* You can't tell the server to insert after the playing track by ID, you | |
0beb320e RK |
218 | * have to send "". */ |
219 | if(after_me == playing_track) | |
220 | after_me = NULL; | |
4b51f265 RK |
221 | /* Play the tracks */ |
222 | disorder_eclient_playafter(client, | |
223 | after_me ? after_me->id : "", | |
224 | ntracks, (const char **)tracks, | |
225 | queue_drop_completed, NULL); | |
82db9336 | 226 | } |
82db9336 RK |
227 | } |
228 | ||
c133bd3c RK |
229 | /** @brief Columns for the queue */ |
230 | static const struct queue_column queue_columns[] = { | |
b0b15b7c | 231 | { "When", column_when, 0, COL_RIGHT }, |
c133bd3c | 232 | { "Who", column_who, 0, 0 }, |
b0b15b7c RK |
233 | { "Artist", column_namepart, "artist", COL_EXPAND|COL_ELLIPSIZE }, |
234 | { "Album", column_namepart, "album", COL_EXPAND|COL_ELLIPSIZE }, | |
235 | { "Title", column_namepart, "title", COL_EXPAND|COL_ELLIPSIZE }, | |
236 | { "Length", column_length, 0, COL_RIGHT } | |
460b9539 | 237 | }; |
238 | ||
c133bd3c | 239 | /** @brief Pop-up menu for queue */ |
6982880f | 240 | static struct menuitem queue_menuitems[] = { |
c133bd3c RK |
241 | { "Track properties", ql_properties_activate, ql_properties_sensitive, 0, 0 }, |
242 | { "Select all tracks", ql_selectall_activate, ql_selectall_sensitive, 0, 0 }, | |
243 | { "Deselect all tracks", ql_selectnone_activate, ql_selectnone_sensitive, 0, 0 }, | |
c9fb35f4 | 244 | { "Scratch playing track", ql_scratch_activate, ql_scratch_sensitive, 0, 0 }, |
c133bd3c | 245 | { "Remove track from queue", ql_remove_activate, ql_remove_sensitive, 0, 0 }, |
a49c2c0f | 246 | { "Adopt track", ql_adopt_activate, ql_adopt_sensitive, 0, 0 }, |
4eb1f430 RK |
247 | }; |
248 | ||
a6712ea8 RK |
249 | static const GtkTargetEntry queue_targets[] = { |
250 | { | |
251 | QUEUED_TRACKS, /* drag type */ | |
252 | GTK_TARGET_SAME_WIDGET, /* rearrangement within a widget */ | |
253 | QUEUED_TRACKS_ID /* ID value */ | |
254 | }, | |
255 | { | |
256 | PLAYABLE_TRACKS, /* drag type */ | |
257 | GTK_TARGET_SAME_APP|GTK_TARGET_OTHER_WIDGET, /* copying between widgets */ | |
258 | PLAYABLE_TRACKS_ID, /* ID value */ | |
259 | }, | |
260 | { | |
261 | .target = NULL | |
262 | } | |
263 | }; | |
264 | ||
c133bd3c | 265 | struct queuelike ql_queue = { |
ee7552f8 | 266 | .name = "queue", |
c133bd3c RK |
267 | .init = queue_init, |
268 | .columns = queue_columns, | |
269 | .ncolumns = sizeof queue_columns / sizeof *queue_columns, | |
270 | .menuitems = queue_menuitems, | |
82db9336 | 271 | .nmenuitems = sizeof queue_menuitems / sizeof *queue_menuitems, |
a6712ea8 RK |
272 | .drop = queue_drop, |
273 | .drag_source_targets = queue_targets, | |
274 | .drag_source_actions = GDK_ACTION_MOVE|GDK_ACTION_COPY, | |
275 | .drag_dest_targets = queue_targets, | |
276 | .drag_dest_actions = GDK_ACTION_MOVE|GDK_ACTION_COPY, | |
460b9539 | 277 | }; |
278 | ||
c10dd9af RK |
279 | /** @brief Called when a key is pressed in the queue tree view */ |
280 | static gboolean queue_key_press(GtkWidget attribute((unused)) *widget, | |
281 | GdkEventKey *event, | |
282 | gpointer user_data) { | |
283 | /*fprintf(stderr, "queue_key_press type=%d state=%#x keyval=%#x\n", | |
284 | event->type, event->state, event->keyval);*/ | |
285 | switch(event->keyval) { | |
286 | case GDK_BackSpace: | |
287 | case GDK_Delete: | |
288 | if(event->state) | |
289 | break; /* Only take unmodified DEL/<-- */ | |
290 | ql_remove_activate(0, user_data); | |
291 | return TRUE; /* Do not propagate */ | |
292 | } | |
293 | return FALSE; /* Propagate */ | |
294 | } | |
295 | ||
01237e47 RK |
296 | static void queue_minimode(const char attribute((unused)) *event, |
297 | void attribute((unused)) *evendata, | |
298 | void attribute((unused)) *callbackdata) { | |
299 | if(full_mode) { | |
300 | /* We will need to refetch the queue */ | |
301 | disorder_eclient_queue(client, queue_completed, 0); | |
302 | } else { | |
303 | /* We will need to hide the queue */ | |
304 | if(actual_queue) | |
305 | queue_completed(NULL, NULL, NULL); | |
306 | } | |
307 | } | |
308 | ||
c133bd3c | 309 | GtkWidget *queue_widget(void) { |
1b5f38c4 RK |
310 | GtkWidget *const w = init_queuelike(&ql_queue); |
311 | ||
c10dd9af RK |
312 | /* Catch keypresses */ |
313 | g_signal_connect(ql_queue.view, "key-press-event", | |
314 | G_CALLBACK(queue_key_press), &ql_queue); | |
01237e47 RK |
315 | |
316 | event_register("mini-mode-changed", queue_minimode, 0); | |
1b5f38c4 | 317 | return w; |
c133bd3c | 318 | } |
460b9539 | 319 | |
717ba987 | 320 | /** @brief Return nonzero if @p track is in the queue */ |
460b9539 | 321 | int queued(const char *track) { |
322 | struct queue_entry *q; | |
323 | ||
324 | D(("queued %s", track)); | |
68110302 RK |
325 | /* Queue will contain resolved name */ |
326 | track = namepart_resolve(track); | |
460b9539 | 327 | for(q = ql_queue.q; q; q = q->next) |
328 | if(!strcmp(q->track, track)) | |
329 | return 1; | |
330 | return 0; | |
331 | } | |
332 | ||
333 | /* | |
334 | Local Variables: | |
335 | c-basic-offset:2 | |
336 | comment-column:40 | |
337 | fill-column:79 | |
338 | indent-tabs-mode:nil | |
339 | End: | |
340 | */ |