mdw@git.distorted.org.uk Git - disorder/blob - disobedience/disobedience.c

   1 /*
   2  * This file is part of DisOrder.
   3  * Copyright (C) 2006-2009 Richard Kettlewell
   4  *
   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 3 of the License, or
   8  * (at your option) any later version.
   9  *
  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  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18 /** @file disobedience/disobedience.c
  19  * @brief Main Disobedience program
  20  */
  21
  22 #include "disobedience.h"
  23 #include "version.h"
  24
  25 #include <getopt.h>
  26 #include <locale.h>
  27 #include <pcre.h>
  28 #include <gcrypt.h>
  29
  30 /* Apologies for the numerous de-consting casts, but GLib et al do not seem to
  31  * have heard of const. */
  32
  33 /* Variables --------------------------------------------------------------- */
  34
  35 /** @brief Event loop */
  36 GMainLoop *mainloop;
  37
  38 /** @brief Top-level window */
  39 GtkWidget *toplevel;
  40
  41 /** @brief Label for progress indicator */
  42 GtkWidget *report_label;
  43
  44 /** @brief Main tab group */
  45 GtkWidget *tabs;
  46
  47 /** @brief Mini-mode widget for playing track */
  48 GtkWidget *playing_mini;
  49
  50 /** @brief Main client */
  51 disorder_eclient *client;
  52
  53 /** @brief Log client */
  54 disorder_eclient *logclient;
  55
  56 /** @brief Last reported state
  57  *
  58  * This is updated by log_state().
  59  */
  60 unsigned long last_state;
  61
  62 /** @brief True if some track is playing
  63  *
  64  * This ought to be removed in favour of last_state & DISORDER_PLAYING
  65  */
  66 int playing;
  67
  68 /** @brief Left channel volume */
  69 int volume_l;
  70
  71 /** @brief Right channel volume */
  72 int volume_r;
  73
  74 /** @brief Audio backend */
  75 const struct uaudio *backend;
  76
  77 double goesupto = 10;                   /* volume upper bound */
  78
  79 /** @brief True if a NOP is in flight */
  80 static int nop_in_flight;
  81
  82 /** @brief True if an rtp-address command is in flight */
  83 static int rtp_address_in_flight;
  84
  85 /** @brief True if a rights lookup is in flight */
  86 static int rights_lookup_in_flight;
  87
  88 /** @brief Current rights bitmap */
  89 rights_type last_rights;
  90
  91 /** @brief True if RTP play is available
  92  *
  93  * This is a bit of a bodge...
  94  */
  95 int rtp_supported;
  96
  97 /** @brief True if RTP play is enabled */
  98 int rtp_is_running;
  99
 100 /** @brief Server version */
 101 const char *server_version;
 102
 103 /** @brief Parsed server version */
 104 long server_version_bytes;
 105
 106 static GtkWidget *queue;
 107
 108 static GtkWidget *notebook_box;
 109
 110 static void check_rtp_address(const char *event,
 111                               void *eventdata,
 112                               void *callbackdata);
 113
 114 /* Window creation --------------------------------------------------------- */
 115
 116 /* Note that all the client operations kicked off from here will only complete
 117  * after we've entered the event loop. */
 118
 119 /** @brief Called when main window is deleted
 120  *
 121  * Terminates the program.
 122  */
 123 static gboolean delete_event(GtkWidget attribute((unused)) *widget,
 124                              GdkEvent attribute((unused)) *event,
 125                              gpointer attribute((unused)) data) {
 126   D(("delete_event"));
 127   exit(0);                              /* die immediately */
 128 }
 129
 130 /** @brief Called when the current tab is switched
 131  *
 132  * Updates the menu settings to correspond to the new page.
 133  */
 134 static void tab_switched(GtkNotebook *notebook,
 135                          GtkNotebookPage attribute((unused)) *page,
 136                          guint page_num,
 137                          gpointer attribute((unused)) user_data) {
 138   GtkWidget *const tab = gtk_notebook_get_nth_page(notebook, page_num);
 139   const struct tabtype *const t = g_object_get_data(G_OBJECT(tab), "type");
 140   assert(t != 0);
 141   if(t->selected)
 142     t->selected();
 143 }
 144
 145 /** @brief Create the report box */
 146 static GtkWidget *report_box(void) {
 147   GtkWidget *vbox = gtk_vbox_new(FALSE, 0);
 148
 149   report_label = gtk_label_new("");
 150   gtk_label_set_ellipsize(GTK_LABEL(report_label), PANGO_ELLIPSIZE_END);
 151   gtk_misc_set_alignment(GTK_MISC(report_label), 0, 0);
 152   gtk_container_add(GTK_CONTAINER(vbox), gtk_hseparator_new());
 153   gtk_container_add(GTK_CONTAINER(vbox), report_label);
 154   return vbox;
 155 }
 156
 157 /** @brief Create and populate the main tab group */
 158 static GtkWidget *notebook(void) {
 159   tabs = gtk_notebook_new();
 160   /* The current tab is _NORMAL, the rest are _ACTIVE, which is bizarre but
 161    * produces not too dreadful appearance */
 162   gtk_widget_set_style(tabs, tool_style);
 163   g_signal_connect(tabs, "switch-page", G_CALLBACK(tab_switched), 0);
 164   gtk_notebook_append_page(GTK_NOTEBOOK(tabs), queue = queue_widget(),
 165                            gtk_label_new("Queue"));
 166   gtk_notebook_append_page(GTK_NOTEBOOK(tabs), recent_widget(),
 167                            gtk_label_new("Recent"));
 168   gtk_notebook_append_page(GTK_NOTEBOOK(tabs), choose_widget(),
 169                            gtk_label_new("Choose"));
 170   gtk_notebook_append_page(GTK_NOTEBOOK(tabs), added_widget(),
 171                            gtk_label_new("Added"));
 172   return tabs;
 173 }
 174
 175 /* Tracking of window sizes */
 176 static int toplevel_width = 640, toplevel_height = 480;
 177 static int mini_width = 480, mini_height = 140;
 178
 179 static void main_minimode(const char attribute((unused)) *event,
 180                           void attribute((unused)) *evendata,
 181                           void attribute((unused)) *callbackdata) {
 182   if(full_mode) {
 183     gtk_widget_show(tabs);
 184     gtk_widget_hide(playing_mini);
 185     /* Show the queue (bit confusing otherwise!) */
 186     gtk_notebook_set_current_page(GTK_NOTEBOOK(tabs), 0);
 187     gtk_window_resize(GTK_WINDOW(toplevel), toplevel_width, toplevel_height);
 188   } else {
 189     gtk_widget_hide(tabs);
 190     gtk_widget_show(playing_mini);
 191     gtk_window_resize(GTK_WINDOW(toplevel), mini_width, mini_height);
 192   }
 193 }
 194
 195 /* Called when the window size is allocate */
 196 static void toplevel_size_allocate(GtkWidget attribute((unused)) *w,
 197                                    GtkAllocation *a,
 198                                    gpointer attribute((unused)) user_data) {
 199   if(full_mode) {
 200     toplevel_width = a->width;
 201     toplevel_height = a->height;
 202   } else {
 203     mini_width = a->width;
 204     mini_height = a->height;
 205   }
 206 }
 207
 208 /** @brief Create and populate the main window */
 209 static void make_toplevel_window(void) {
 210   GtkWidget *const vbox = gtk_vbox_new(FALSE, 1);
 211   GtkWidget *const rb = report_box();
 212
 213   D(("top_window"));
 214   toplevel = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 215   /* default size is too small */
 216   gtk_window_set_default_size(GTK_WINDOW(toplevel),
 217                               toplevel_width, toplevel_height);
 218   /* terminate on close */
 219   g_signal_connect(G_OBJECT(toplevel), "delete_event",
 220                    G_CALLBACK(delete_event), NULL);
 221   /* track size */
 222   g_signal_connect(G_OBJECT(toplevel), "size-allocate",
 223                    G_CALLBACK(toplevel_size_allocate), NULL);
 224   /* lay out the window */
 225   gtk_window_set_title(GTK_WINDOW(toplevel), "Disobedience");
 226   gtk_container_add(GTK_CONTAINER(toplevel), vbox);
 227   /* lay out the vbox */
 228   gtk_box_pack_start(GTK_BOX(vbox),
 229                      menubar(toplevel),
 230                      FALSE,             /* expand */
 231                      FALSE,             /* fill */
 232                      0);
 233   gtk_box_pack_start(GTK_BOX(vbox),
 234                      control_widget(),
 235                      FALSE,             /* expand */
 236                      FALSE,             /* fill */
 237                      0);
 238   playing_mini = playing_widget();
 239   gtk_box_pack_start(GTK_BOX(vbox),
 240                      playing_mini,
 241                      FALSE,
 242                      FALSE,
 243                      0);
 244   notebook_box = gtk_vbox_new(FALSE, 0);
 245   gtk_container_add(GTK_CONTAINER(notebook_box), notebook());
 246   gtk_container_add(GTK_CONTAINER(vbox), notebook_box);
 247   gtk_box_pack_end(GTK_BOX(vbox),
 248                    rb,
 249                    FALSE,             /* expand */
 250                    FALSE,             /* fill */
 251                    0);
 252   gtk_widget_set_style(toplevel, tool_style);
 253   event_register("mini-mode-changed", main_minimode, 0);
 254 }
 255
 256 static void userinfo_rights_completed(void attribute((unused)) *v,
 257                                       const char *err,
 258                                       const char *value) {
 259   rights_type r;
 260
 261   if(err) {
 262     popup_protocol_error(0, err);
 263     r = 0;
 264   } else {
 265     if(parse_rights(value, &r, 0))
 266       r = 0;
 267   }
 268   /* If rights have changed, signal everything that cares */
 269   if(r != last_rights) {
 270     last_rights = r;
 271     ++suppress_actions;
 272     event_raise("rights-changed", 0);
 273     --suppress_actions;
 274   }
 275   rights_lookup_in_flight = 0;
 276 }
 277
 278 static void check_rights(void) {
 279   if(!rights_lookup_in_flight) {
 280     rights_lookup_in_flight = 1;
 281     disorder_eclient_userinfo(client,
 282                               userinfo_rights_completed,
 283                               config->username, "rights",
 284                               0);
 285   }
 286 }
 287
 288 /** @brief Called occasionally */
 289 static gboolean periodic_slow(gpointer attribute((unused)) data) {
 290   D(("periodic_slow"));
 291   /* Expire cached data */
 292   cache_expire();
 293   /* Update everything to be sure that the connection to the server hasn't
 294    * mysteriously gone stale on us. */
 295   all_update();
 296   event_raise("periodic-slow", 0);
 297   /* Recheck RTP status too */
 298   check_rtp_address(0, 0, 0);
 299   return TRUE;                          /* don't remove me */
 300 }
 301
 302 /** @brief Called frequently */
 303 static gboolean periodic_fast(gpointer attribute((unused)) data) {
 304 #if 0                                   /* debugging hack */
 305   static struct timeval last;
 306   struct timeval now;
 307   double delta;
 308
 309   xgettimeofday(&now, 0);
 310   if(last.tv_sec) {
 311     delta = (now.tv_sec + now.tv_sec / 1.0E6)
 312       - (last.tv_sec + last.tv_sec / 1.0E6);
 313     if(delta >= 1.0625)
 314       fprintf(stderr, "%f: %fs between 1s heartbeats\n",
 315               now.tv_sec + now.tv_sec / 1.0E6,
 316               delta);
 317   }
 318   last = now;
 319 #endif
 320   if(rtp_supported && backend && backend->get_volume) {
 321     int nl, nr;
 322     backend->get_volume(&nl, &nr);
 323     if(nl != volume_l || nr != volume_r) {
 324       volume_l = nl;
 325       volume_r = nr;
 326       event_raise("volume-changed", 0);
 327     }
 328   }
 329   /* Periodically check what our rights are */
 330   int recheck_rights = 1;
 331   if(server_version_bytes >= 0x04010000)
 332     /* Server versions after 4.1 will send updates */
 333     recheck_rights = 0;
 334   if((server_version_bytes & 0xFF) == 0x01)
 335     /* Development servers might do regardless of their version number */
 336     recheck_rights = 0;
 337   if(recheck_rights)
 338     check_rights();
 339   event_raise("periodic-fast", 0);
 340   return TRUE;
 341 }
 342
 343 /** @brief Called when a NOP completes */
 344 static void nop_completed(void attribute((unused)) *v,
 345                           const char attribute((unused)) *err) {
 346   /* TODO report the error somewhere */
 347   nop_in_flight = 0;
 348 }
 349
 350 /** @brief Called from time to time to arrange for a NOP to be sent
 351  *
 352  * At most one NOP remains in flight at any moment.  If the client is not
 353  * currently connected then no NOP is sent.
 354  */
 355 static gboolean maybe_send_nop(gpointer attribute((unused)) data) {
 356   if(!nop_in_flight && (disorder_eclient_state(client) & DISORDER_CONNECTED)) {
 357     nop_in_flight = 1;
 358     disorder_eclient_nop(client, nop_completed, 0);
 359   }
 360   if(rtp_supported) {
 361     const int rtp_was_running = rtp_is_running;
 362     rtp_is_running = rtp_running();
 363     if(rtp_was_running != rtp_is_running)
 364       event_raise("rtp-changed", 0);
 365   }
 366   return TRUE;                          /* keep call me please */
 367 }
 368
 369 /** @brief Called when a rtp-address command succeeds */
 370 static void got_rtp_address(void attribute((unused)) *v,
 371                             const char *err,
 372                             int attribute((unused)) nvec,
 373                             char attribute((unused)) **vec) {
 374   const int rtp_was_supported = rtp_supported;
 375   const int rtp_was_running = rtp_is_running;
 376
 377   ++suppress_actions;
 378   rtp_address_in_flight = 0;
 379   if(err) {
 380     /* An error just means that we're not using network play */
 381     rtp_supported = 0;
 382     rtp_is_running = 0;
 383   } else {
 384     rtp_supported = 1;
 385     rtp_is_running = rtp_running();
 386   }
 387   /*fprintf(stderr, "rtp supported->%d, running->%d\n",
 388           rtp_supported, rtp_is_running);*/
 389   if(rtp_supported != rtp_was_supported
 390      || rtp_is_running != rtp_was_running)
 391     event_raise("rtp-changed", 0);
 392   --suppress_actions;
 393 }
 394
 395 /** @brief Called to check whether RTP play is available */
 396 static void check_rtp_address(const char attribute((unused)) *event,
 397                               void attribute((unused)) *eventdata,
 398                               void attribute((unused)) *callbackdata) {
 399   if(!rtp_address_in_flight) {
 400     //fprintf(stderr, "checking rtp\n");
 401     disorder_eclient_rtp_address(client, got_rtp_address, NULL);
 402   }
 403 }
 404
 405 /* main -------------------------------------------------------------------- */
 406
 407 static const struct option options[] = {
 408   { "help", no_argument, 0, 'h' },
 409   { "version", no_argument, 0, 'V' },
 410   { "config", required_argument, 0, 'c' },
 411   { "tufnel", no_argument, 0, 't' },
 412   { "debug", no_argument, 0, 'd' },
 413   { 0, 0, 0, 0 }
 414 };
 415
 416 /* display usage message and terminate */
 417 static void help(void) {
 418   xprintf("Disobedience - GUI client for DisOrder\n"
 419           "\n"
 420           "Usage:\n"
 421           "  disobedience [OPTIONS]\n"
 422           "Options:\n"
 423           "  --help, -h              Display usage message\n"
 424           "  --version, -V           Display version number\n"
 425           "  --config PATH, -c PATH  Set configuration file\n"
 426           "  --debug, -d             Turn on debugging\n"
 427           "\n"
 428           "Also GTK+ options will work.\n");
 429   xfclose(stdout);
 430   exit(0);
 431 }
 432
 433 static void version_completed(void attribute((unused)) *v,
 434                               const char attribute((unused)) *err,
 435                               const char *ver) {
 436   long major, minor, patch, dev;
 437
 438   if(!ver) {
 439     server_version = 0;
 440     server_version_bytes = 0;
 441     return;
 442   }
 443   server_version = ver;
 444   server_version_bytes = 0;
 445   major = strtol(ver, (char **)&ver, 10);
 446   if(*ver != '.')
 447     return;
 448   ++ver;
 449   minor = strtol(ver, (char **)&ver, 10);
 450   if(*ver == '.') {
 451     ++ver;
 452     patch = strtol(ver, (char **)&ver, 10);
 453   } else
 454     patch = 0;
 455   if(*ver) {
 456     if(*ver == '+') {
 457       dev = 1;
 458       ++ver;
 459     }
 460     if(*ver)
 461       dev = 2;
 462   } else
 463     dev = 0;
 464   server_version_bytes = (major << 24) + (minor << 16) + (patch << 8) + dev;
 465 }
 466
 467 void logged_in(void) {
 468   /* reset the clients */
 469   disorder_eclient_close(client);
 470   disorder_eclient_close(logclient);
 471   rtp_supported = 0;
 472   event_raise("logged-in", 0);
 473   /* Force the periodic checks */
 474   periodic_slow(0);
 475   periodic_fast(0);
 476   /* Recheck server version */
 477   disorder_eclient_version(client, version_completed, 0);
 478   disorder_eclient_enable_connect(client);
 479   disorder_eclient_enable_connect(logclient);
 480 }
 481
 482 int main(int argc, char **argv) {
 483   int n;
 484   gboolean gtkok;
 485
 486   mem_init();
 487   /* garbage-collect PCRE's memory */
 488   pcre_malloc = xmalloc;
 489   pcre_free = xfree;
 490   if(!setlocale(LC_CTYPE, "")) disorder_fatal(errno, "error calling setlocale");
 491   gtkok = gtk_init_check(&argc, &argv);
 492   while((n = getopt_long(argc, argv, "hVc:dtHC", options, 0)) >= 0) {
 493     switch(n) {
 494     case 'h': help();
 495     case 'V': version("disobedience");
 496     case 'c': configfile = optarg; break;
 497     case 'd': debugging = 1; break;
 498     case 't': goesupto = 11; break;
 499     default: disorder_fatal(0, "invalid option");
 500     }
 501   }
 502   if(!gtkok)
 503     disorder_fatal(0, "failed to initialize GTK+");
 504   /* gcrypt initialization */
 505   if(!gcry_check_version(NULL))
 506     disorder_fatal(0, "gcry_check_version failed");
 507   gcry_control(GCRYCTL_INIT_SECMEM, 0);
 508   gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
 509   signal(SIGPIPE, SIG_IGN);
 510   init_styles();
 511   load_settings();
 512   /* create the event loop */
 513   D(("create main loop"));
 514   mainloop = g_main_loop_new(0, 0);
 515   if(config_read(0, NULL)) disorder_fatal(0, "cannot read configuration");
 516   /* we'll need mixer support */
 517   backend = uaudio_apis[0];
 518   if(backend->configure)
 519     backend->configure();
 520   if(backend->open_mixer)
 521     backend->open_mixer();
 522   /* create the clients */
 523   if(!(client = gtkclient())
 524      || !(logclient = gtkclient()))
 525     return 1;                           /* already reported an error */
 526   /* periodic operations (e.g. expiring the cache, checking local volume) */
 527   g_timeout_add(600000/*milliseconds*/, periodic_slow, 0);
 528   g_timeout_add(1000/*milliseconds*/, periodic_fast, 0);
 529   make_toplevel_window();
 530   /* reset styles now everything has its name */
 531   gtk_rc_reset_styles(gtk_settings_get_for_screen(gdk_screen_get_default()));
 532   gtk_widget_show_all(toplevel);
 533   gtk_widget_hide(playing_mini);
 534   /* issue a NOP every so often */
 535   g_timeout_add_full(G_PRIORITY_LOW,
 536                      2000/*interval, ms*/,
 537                      maybe_send_nop,
 538                      0/*data*/,
 539                      0/*notify*/);
 540   /* Start monitoring the log */
 541   disorder_eclient_log(logclient, &log_callbacks, 0);
 542   /* Initiate all the checks */
 543   periodic_fast(0);
 544   disorder_eclient_version(client, version_completed, 0);
 545   event_register("log-connected", check_rtp_address, 0);
 546   suppress_actions = 0;
 547   playlists_init();
 548   /* If no password is set yet pop up a login box */
 549   if(!config->password)
 550     login_box();
 551   D(("enter main loop"));
 552   g_main_loop_run(mainloop);
 553   return 0;
 554 }
 555
 556 /*
 557 Local Variables:
 558 c-basic-offset:2
 559 comment-column:40
 560 fill-column:79
 561 indent-tabs-mode:nil
 562 End:
 563 */