1 /* ncmpc (Ncurses MPD Client)
2 * (c) 2004-2009 The Music Player Daemon Project
3 * Project homepage: http://musicpd.org
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,
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.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
20 #include "player_command.h"
21 #include "mpdclient.h"
22 #include "options.h"
23 #include "i18n.h"
24 #include "screen_client.h"
25 #include "screen_message.h"
27 int seek_id = -1;
28 int seek_target_time;
30 static guint seek_source_id;
32 static void
33 commit_seek(struct mpdclient *c)
34 {
35 struct mpd_connection *connection;
37 if (seek_id < 0)
38 return;
40 connection = mpdclient_get_connection(c);
41 if (connection == NULL) {
42 seek_id = -1;
43 return;
44 }
46 if (c->song != NULL && (unsigned)seek_id == mpd_song_get_id(c->song))
47 if (!mpd_run_seek_id(connection, seek_id, seek_target_time))
48 mpdclient_handle_error(c);
50 seek_id = -1;
51 }
53 /**
54 * This timer is invoked after seeking when the user hasn't typed a
55 * key for 500ms. It is used to do the real seeking.
56 */
57 static gboolean
58 seek_timer(gpointer data)
59 {
60 struct mpdclient *c = data;
62 seek_source_id = 0;
63 commit_seek(c);
64 mpdclient_put_connection(c);
65 return false;
66 }
68 static void
69 schedule_seek_timer(struct mpdclient *c)
70 {
71 assert(seek_source_id == 0);
73 seek_source_id = g_timeout_add(500, seek_timer, c);
74 }
76 void
77 cancel_seek_timer(void)
78 {
79 if (seek_source_id != 0) {
80 g_source_remove(seek_source_id);
81 seek_source_id = 0;
82 }
83 }
85 bool
86 handle_player_command(struct mpdclient *c, command_t cmd)
87 {
88 struct mpd_connection *connection;
89 const struct mpd_song *song;
91 if (!mpdclient_is_connected(c) || c->status == NULL)
92 return false;
94 cancel_seek_timer();
96 switch(cmd) {
97 /*
98 case CMD_PLAY:
99 mpdclient_cmd_play(c, MPD_PLAY_AT_BEGINNING);
100 break;
101 */
102 case CMD_PAUSE:
103 connection = mpdclient_get_connection(c);
104 if (connection == NULL)
105 break;
107 if (!mpd_run_pause(connection,
108 mpd_status_get_state(c->status) != MPD_STATE_PAUSE))
109 mpdclient_handle_error(c);
110 break;
111 case CMD_STOP:
112 connection = mpdclient_get_connection(c);
113 if (connection == NULL)
114 break;
116 if (!mpd_run_stop(connection))
117 mpdclient_handle_error(c);
118 break;
119 case CMD_CROP:
120 mpdclient_cmd_crop(c);
121 break;
122 case CMD_SEEK_FORWARD:
123 song = mpdclient_get_current_song(c);
124 if (song == NULL)
125 break;
127 if (seek_id != (int)mpd_song_get_id(song)) {
128 seek_id = mpd_song_get_id(song);
129 seek_target_time = mpd_status_get_elapsed_time(c->status);
130 }
132 seek_target_time += options.seek_time;
133 if (seek_target_time > (int)mpd_status_get_total_time(c->status))
134 seek_target_time = mpd_status_get_total_time(c->status);
136 schedule_seek_timer(c);
137 break;
139 case CMD_TRACK_NEXT:
140 connection = mpdclient_get_connection(c);
141 if (connection == NULL)
142 break;
144 if (!mpd_run_next(connection))
145 mpdclient_handle_error(c);
146 break;
147 case CMD_SEEK_BACKWARD:
148 song = mpdclient_get_current_song(c);
149 if (song == NULL)
150 break;
152 if (seek_id != (int)mpd_song_get_id(song)) {
153 seek_id = mpd_song_get_id(c->song);
154 seek_target_time = mpd_status_get_elapsed_time(c->status);
155 }
157 seek_target_time -= options.seek_time;
158 if (seek_target_time < 0)
159 seek_target_time = 0;
161 schedule_seek_timer(c);
162 break;
164 case CMD_TRACK_PREVIOUS:
165 connection = mpdclient_get_connection(c);
166 if (connection == NULL)
167 break;
169 if (!mpd_run_previous(connection))
170 mpdclient_handle_error(c);
171 break;
172 case CMD_SHUFFLE:
173 connection = mpdclient_get_connection(c);
174 if (connection == NULL)
175 break;
177 if (mpd_run_shuffle(connection))
178 screen_status_message(_("Shuffled playlist"));
179 else
180 mpdclient_handle_error(c);
181 break;
182 case CMD_CLEAR:
183 connection = mpdclient_get_connection(c);
184 if (connection == NULL)
185 break;
187 if (mpdclient_cmd_clear(c))
188 screen_status_message(_("Cleared playlist"));
189 break;
190 case CMD_REPEAT:
191 connection = mpdclient_get_connection(c);
192 if (connection == NULL)
193 break;
195 if (!mpd_run_repeat(connection,
196 !mpd_status_get_repeat(c->status)))
197 mpdclient_handle_error(c);
198 break;
199 case CMD_RANDOM:
200 connection = mpdclient_get_connection(c);
201 if (connection == NULL)
202 break;
204 if (!mpd_run_random(connection,
205 !mpd_status_get_random(c->status)))
206 mpdclient_handle_error(c);
207 break;
208 case CMD_SINGLE:
209 connection = mpdclient_get_connection(c);
210 if (connection == NULL)
211 break;
213 if (!mpd_run_single(connection,
214 !mpd_status_get_single(c->status)))
215 mpdclient_handle_error(c);
216 break;
217 case CMD_CONSUME:
218 connection = mpdclient_get_connection(c);
219 if (connection == NULL)
220 break;
222 if (!mpd_run_consume(connection,
223 !mpd_status_get_consume(c->status)))
224 mpdclient_handle_error(c);
225 break;
226 case CMD_CROSSFADE:
227 connection = mpdclient_get_connection(c);
228 if (connection == NULL)
229 break;
231 if (!mpd_run_crossfade(connection,
232 mpd_status_get_crossfade(c->status) > 0
233 ? 0 : options.crossfade_time))
234 mpdclient_handle_error(c);
235 break;
236 case CMD_DB_UPDATE:
237 screen_database_update(c, NULL);
238 break;
239 case CMD_VOLUME_UP:
240 mpdclient_cmd_volume_up(c);
241 break;
242 case CMD_VOLUME_DOWN:
243 mpdclient_cmd_volume_down(c);
244 break;
246 default:
247 return false;
248 }
250 return true;
251 }