podcast/rb-podcast-manager.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
   2  *
   3  *  arch-tag: Implemetation files for podcast download manager
   4  *
   5  *  Copyright (C) 2005 Renato Araujo Oliveira Filho - INdT <renato.filho@indt.org.br>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20  *
  21  */
  22
  23 #include <string.h>
  24 #define __USE_XOPEN
  25 #include <time.h>
  26
  27 #include <glib/gi18n.h>
  28 #include <glib/gstdio.h>
  29 #include <gtk/gtk.h>
  30 #include <libgnomevfs/gnome-vfs-uri.h>
  31
  32 #include "rb-preferences.h"
  33 #include "eel-gconf-extensions.h"
  34 #include "rb-podcast-manager.h"
  35 #include "rb-file-helpers.h"
  36 #include "rb-debug.h"
  37 #include "rb-podcast-marshal.h"
  38 #include "rhythmdb.h"
  39 #include "rhythmdb-query-model.h"
  40 #include "rb-podcast-parse.h"
  41 #include "rb-dialog.h"
  42 #include "rb-metadata.h"
  43
  44 #define CONF_STATE_PODCAST_PREFIX               CONF_PREFIX "/state/podcast"
  45 #define CONF_STATE_PODCAST_DOWNLOAD_DIR         CONF_STATE_PODCAST_PREFIX "/download_prefix"
  46 #define CONF_STATE_PODCAST_DOWNLOAD_INTERVAL    CONF_STATE_PODCAST_PREFIX "/download_interval"
  47 #define CONF_STATE_PODCAST_DOWNLOAD_NEXT_TIME   CONF_STATE_PODCAST_PREFIX "/download_next_time"
  48
  49 enum
  50 {
  51         PROP_0,
  52         PROP_DB
  53 };
  54
  55 enum
  56 {
  57         UPDATE_EVERY_HOUR,
  58         UPDATE_EVERY_DAY,
  59         UPDATE_EVERY_WEEK,
  60         UPDATE_MANUALLY
  61 };
  62
  63 enum
  64 {
  65         STATUS_CHANGED,
  66         START_DOWNLOAD,
  67         FINISH_DOWNLOAD,
  68         PROCESS_ERROR,
  69         FEED_UPDATES_AVALIABLE,
  70         LAST_SIGNAL
  71 };
  72
  73 typedef enum
  74 {
  75         EVENT_INSERT_FEED,
  76         EVENT_ERROR_FEED
  77 }RBPodcastEventType;
  78
  79
  80
  81 struct RBPodcastManagerPrivate
  82 {
  83         RhythmDB *db;
  84         GList *download_list;
  85         guint next_time;
  86         guint source_sync;
  87         guint update_interval_notify_id;
  88         GMutex *mutex_job;
  89         GMutex *download_list_mutex;
  90
  91         gboolean remove_files;
  92
  93         GAsyncQueue *event_queue;
  94 };
  95
  96 #define RB_PODCAST_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), RB_TYPE_PODCAST_MANAGER, RBPodcastManagerPrivate))
  97
  98 /* used on event loop */
  99 typedef struct
 100 {
 101         RBPodcastEventType      type;
 102         RBPodcastChannel        *channel;
 103 } RBPodcastManagerEvent;
 104
 105
 106 /* used on donwload thread */
 107 typedef struct
 108 {
 109         RBPodcastManager *pd;
 110         RhythmDBEntry *entry;
 111         GnomeVFSAsyncHandle *read_handle;
 112         GnomeVFSURI *write_uri;
 113         GnomeVFSURI *read_uri;
 114         GMutex *mutex_working;
 115
 116         guint total_size;
 117         guint progress;
 118         gboolean canceled;
 119 } RBPodcastManagerInfo;
 120
 121 /* used on subscribe thread */
 122 typedef struct
 123 {
 124         RBPodcastManager *pd;
 125         char* url;
 126 } RBPodcastThreadInfo;
 127
 128
 129 static guint rb_podcast_manager_signals[LAST_SIGNAL] = { 0 };
 130
 131 /* functions */
 132 static void rb_podcast_manager_class_init               (RBPodcastManagerClass *klass);
 133 static void rb_podcast_manager_init                     (RBPodcastManager *dp);
 134 static GObject *rb_podcast_manager_constructor          (GType type, guint n_construct_properties,
 135                                                          GObjectConstructParam *construct_properties);
 136 static void rb_podcast_manager_finalize                 (GObject *object);
 137 static void rb_podcast_manager_set_property             (GObject *object,
 138                                                          guint prop_id,
 139                                                          const GValue *value,
 140                                                          GParamSpec *pspec);
 141 static void rb_podcast_manager_get_property             (GObject *object,
 142                                                          guint prop_id,
 143                                                          GValue *value,
 144                                                          GParamSpec *pspec);
 145 static void rb_podcast_manager_copy_post                (RBPodcastManager *pd);
 146 static int rb_podcast_manager_mkdir_with_parents        (const gchar *pathname,
 147                                                          int mode);
 148 static gboolean rb_podcast_manager_sync_head_cb         (gpointer data);
 149 static gboolean rb_podcast_manager_head_query_cb        (GtkTreeModel *query_model,
 150                                                          GtkTreePath *path,
 151                                                          GtkTreeIter *iter,
 152                                                          RBPodcastManager *data);
 153 static gboolean rb_podcast_manager_save_metadata        (RhythmDB *db,
 154                                                          RhythmDBEntry *entry,
 155                                                          const char* uri);
 156 static void rb_podcast_manager_db_entry_added_cb        (RBPodcastManager *pd,
 157                                                          RhythmDBEntry *entry);
 158 static void rb_podcast_manager_db_entry_deleted_cb      (RBPodcastManager *pd,
 159                                                          RhythmDBEntry *entry);
 160 static gboolean rb_podcast_manager_next_file            (RBPodcastManager * pd);
 161 static void rb_podcast_manager_insert_feed              (RBPodcastManager *pd, RBPodcastChannel *data);
 162 static void rb_podcast_manager_abort_subscribe          (RBPodcastManager *pd);
 163
 164 /* event loop */
 165 static gboolean rb_podcast_manager_event_loop           (RBPodcastManager *pd) ;
 166 static gpointer rb_podcast_manager_thread_parse_feed    (RBPodcastThreadInfo *info);
 167
 168
 169 /* async read file functions */
 170 static guint download_progress_cb                       (GnomeVFSXferProgressInfo *info,
 171                                                          gpointer data);
 172 static guint download_progress_update_cb                (GnomeVFSAsyncHandle *handle,
 173                                                          GnomeVFSXferProgressInfo *info,
 174                                                          gpointer data);
 175
 176 /* internal functions */
 177 static void download_info_free                          (RBPodcastManagerInfo *data);
 178 static RBPodcastManagerInfo *download_info_new          (void);
 179 static void start_job                                   (RBPodcastManagerInfo *data);
 180 static void end_job                                     (RBPodcastManagerInfo *data);
 181 static void cancel_job                                  (RBPodcastManagerInfo *pd);
 182 static void write_job_data                              (RBPodcastManagerInfo *data);
 183 static void  rb_podcast_manager_update_synctime         (RBPodcastManager *pd);
 184 static void  rb_podcast_manager_config_changed          (GConfClient* client,
 185                                                          guint cnxn_id,
 186                                                          GConfEntry *entry,
 187                                                          gpointer user_data);
 188
 189 G_DEFINE_TYPE (RBPodcastManager, rb_podcast_manager, G_TYPE_OBJECT)
 190
 191
 192 static void
 193 rb_podcast_manager_class_init (RBPodcastManagerClass *klass)
 194 {
 195         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 196
 197         object_class->constructor = rb_podcast_manager_constructor;
 198         object_class->finalize = rb_podcast_manager_finalize;
 199
 200         object_class->set_property = rb_podcast_manager_set_property;
 201         object_class->get_property = rb_podcast_manager_get_property;
 202
 203          g_object_class_install_property (object_class,
 204                                           PROP_DB,
 205                                           g_param_spec_object ("db",
 206                                                                "db",
 207                                                                "database",
 208                                                                RHYTHMDB_TYPE,
 209                                                                G_PARAM_READWRITE));
 210
 211         rb_podcast_manager_signals[STATUS_CHANGED] =
 212                g_signal_new ("status_changed",
 213                                 G_OBJECT_CLASS_TYPE (object_class),
 214                                 GTK_RUN_LAST,
 215                                 G_STRUCT_OFFSET (RBPodcastManagerClass, status_changed),
 216                                 NULL, NULL,
 217                                 rb_podcast_marshal_VOID__POINTER_ULONG,
 218                                 G_TYPE_NONE,
 219                                 2,
 220                                 G_TYPE_POINTER,
 221                                 G_TYPE_ULONG);
 222
 223         rb_podcast_manager_signals[START_DOWNLOAD] =
 224                g_signal_new ("start_download",
 225                                 G_OBJECT_CLASS_TYPE (object_class),
 226                                 GTK_RUN_LAST,
 227                                 G_STRUCT_OFFSET (RBPodcastManagerClass, start_download),
 228                                 NULL, NULL,
 229                                 g_cclosure_marshal_VOID__POINTER,
 230                                 G_TYPE_NONE,
 231                                 1,
 232                                 G_TYPE_POINTER);
 233
 234         rb_podcast_manager_signals[FINISH_DOWNLOAD] =
 235                g_signal_new ("finish_download",
 236                                 G_OBJECT_CLASS_TYPE (object_class),
 237                                 GTK_RUN_LAST,
 238                                 G_STRUCT_OFFSET (RBPodcastManagerClass, finish_download),
 239                                 NULL, NULL,
 240                                 g_cclosure_marshal_VOID__POINTER,
 241                                 G_TYPE_NONE,
 242                                 1,
 243                                 G_TYPE_POINTER);
 244
 245         rb_podcast_manager_signals[FEED_UPDATES_AVALIABLE] =
 246                g_signal_new ("feed_updates_avaliable",
 247                                 G_OBJECT_CLASS_TYPE (object_class),
 248                                 GTK_RUN_LAST,
 249                                 G_STRUCT_OFFSET (RBPodcastManagerClass, feed_updates_avaliable),
 250                                 NULL, NULL,
 251                                 g_cclosure_marshal_VOID__POINTER,
 252                                 G_TYPE_NONE,
 253                                 1,
 254                                 G_TYPE_POINTER);
 255
 256         rb_podcast_manager_signals[PROCESS_ERROR] =
 257                g_signal_new ("process_error",
 258                                 G_OBJECT_CLASS_TYPE (object_class),
 259                                 GTK_RUN_LAST,
 260                                 G_STRUCT_OFFSET (RBPodcastManagerClass, process_error),
 261                                 NULL, NULL,
 262                                 g_cclosure_marshal_VOID__STRING,
 263                                 G_TYPE_NONE,
 264                                 1,
 265                                 G_TYPE_STRING);
 266
 267         g_type_class_add_private (klass, sizeof (RBPodcastManagerPrivate));
 268 }
 269
 270 static void
 271 rb_podcast_manager_init (RBPodcastManager *pd)
 272 {
 273         pd->priv = RB_PODCAST_MANAGER_GET_PRIVATE (pd);
 274
 275         pd->priv->source_sync = 0;
 276         pd->priv->mutex_job = g_mutex_new();
 277         pd->priv->download_list_mutex = g_mutex_new();
 278         pd->priv->event_queue = g_async_queue_new ();
 279         pd->priv->db = NULL;
 280         eel_gconf_monitor_add (CONF_STATE_PODCAST_PREFIX);
 281 }
 282
 283 static GObject *
 284 rb_podcast_manager_constructor (GType type, guint n_construct_properties,
 285                                 GObjectConstructParam *construct_properties)
 286 {
 287         RBPodcastManager *pd;
 288
 289         pd = RB_PODCAST_MANAGER (G_OBJECT_CLASS (rb_podcast_manager_parent_class)
 290                         ->constructor (type, n_construct_properties, construct_properties));
 291
 292         pd->priv->update_interval_notify_id = eel_gconf_notification_add (CONF_STATE_PODCAST_DOWNLOAD_INTERVAL,
 293                                                                           rb_podcast_manager_config_changed,
 294                                                                           pd);
 295
 296
 297         return G_OBJECT (pd);
 298
 299 }
 300
 301 static void
 302 rb_podcast_manager_finalize (GObject *object)
 303 {
 304         RBPodcastManager *pd;
 305         g_return_if_fail (object != NULL);
 306         g_return_if_fail (RB_IS_PODCAST_MANAGER (object));
 307
 308         pd = RB_PODCAST_MANAGER(object);
 309
 310         g_return_if_fail (pd->priv != NULL);
 311
 312
 313         eel_gconf_monitor_remove (CONF_STATE_PODCAST_PREFIX);
 314
 315         if (pd->priv->source_sync) {
 316                 g_source_remove (pd->priv->source_sync);
 317                 pd->priv->source_sync = 0;
 318         }
 319
 320
 321         eel_gconf_notification_remove (pd->priv->update_interval_notify_id);
 322
 323
 324         if (pd->priv->download_list) {
 325                 g_list_foreach (pd->priv->download_list, (GFunc)g_free, NULL);
 326                 g_list_free (pd->priv->download_list);
 327         }
 328
 329
 330         g_mutex_free (pd->priv->mutex_job);
 331         g_mutex_free (pd->priv->download_list_mutex);
 332         g_async_queue_unref (pd->priv->event_queue);
 333
 334         G_OBJECT_CLASS (rb_podcast_manager_parent_class)->finalize (object);
 335         rb_debug ("Podcast Manager END");
 336 }
 337
 338 static void
 339 rb_podcast_manager_set_property (GObject *object,
 340                                  guint prop_id,
 341                                  const GValue *value,
 342                                  GParamSpec *pspec)
 343 {
 344         RBPodcastManager *pd = RB_PODCAST_MANAGER (object);
 345
 346         switch (prop_id) {
 347         case PROP_DB:
 348                 if (pd->priv->db) {
 349                         g_signal_handlers_disconnect_by_func (G_OBJECT (pd->priv->db),
 350                                                               G_CALLBACK (rb_podcast_manager_db_entry_added_cb),
 351                                                               pd);
 352
 353                         g_signal_handlers_disconnect_by_func (G_OBJECT (pd->priv->db),
 354                                                               G_CALLBACK (rb_podcast_manager_db_entry_deleted_cb),
 355                                                               pd);
 356
 357                 }
 358
 359                 pd->priv->db = g_value_get_object (value);
 360
 361                 g_signal_connect_object (G_OBJECT (pd->priv->db),
 362                                          "entry-added",
 363                                          G_CALLBACK (rb_podcast_manager_db_entry_added_cb),
 364                                          pd, G_CONNECT_SWAPPED);
 365
 366                 g_signal_connect_object (G_OBJECT (pd->priv->db),
 367                                          "entry_deleted",
 368                                          G_CALLBACK (rb_podcast_manager_db_entry_deleted_cb),
 369                                          pd, G_CONNECT_SWAPPED);
 370
 371                 break;
 372         default:
 373                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 374         }
 375 }
 376
 377 static void
 378 rb_podcast_manager_get_property (GObject *object,
 379                                         guint prop_id,
 380                                         GValue *value,
 381                                         GParamSpec *pspec)
 382 {
 383         RBPodcastManager *pd = RB_PODCAST_MANAGER (object);
 384
 385         switch (prop_id) {
 386         case PROP_DB:
 387                 g_value_set_object (value, pd->priv->db);
 388                 break;
 389         default:
 390                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 391         }
 392
 393
 394 }
 395
 396 RBPodcastManager *
 397 rb_podcast_manager_new (RhythmDB *db)
 398 {
 399         RBPodcastManager *pd;
 400
 401         pd = g_object_new (RB_TYPE_PODCAST_MANAGER, "db", db, NULL);
 402         return pd;
 403 }
 404
 405
 406 void
 407 rb_podcast_manager_download_entry (RBPodcastManager *pd, RhythmDBEntry *entry)
 408 {
 409         gulong status;
 410         if (entry == NULL)
 411                 return;
 412
 413         status = rhythmdb_entry_get_ulong (entry, RHYTHMDB_PROP_STATUS);
 414         if ((status < RHYTHMDB_PODCAST_STATUS_COMPLETE) ||
 415             (status == RHYTHMDB_PODCAST_STATUS_WAITING)) {
 416                 RBPodcastManagerInfo *data;
 417                 if (status < RHYTHMDB_PODCAST_STATUS_COMPLETE) {
 418                         GValue status_val = { 0, };
 419                         g_value_init (&status_val, G_TYPE_ULONG);
 420                         g_value_set_ulong (&status_val, RHYTHMDB_PODCAST_STATUS_WAITING);
 421                         rhythmdb_entry_set_nonotify (pd->priv->db, entry, RHYTHMDB_PROP_STATUS, &status_val);
 422                         g_value_unset (&status_val);
 423                 }
 424                 rb_debug ("Try insert entry for download.");
 425                 data  = download_info_new();
 426                 data->pd = pd;
 427                 data->entry = entry;
 428                 g_mutex_lock (pd->priv->download_list_mutex);
 429                 pd->priv->download_list =  g_list_append (pd->priv->download_list, data);
 430                 g_mutex_unlock (pd->priv->download_list_mutex);
 431                 gtk_idle_add ((GtkFunction) rb_podcast_manager_next_file , pd);
 432         }
 433 }
 434
 435 gboolean
 436 rb_podcast_manager_entry_downloaded (RhythmDBEntry *entry)
 437 {
 438         gulong status;
 439         const gchar *file_name;
 440         gulong type;
 441
 442         type = rhythmdb_entry_get_ulong (entry, RHYTHMDB_PROP_TYPE);
 443         g_assert (type == RHYTHMDB_ENTRY_TYPE_PODCAST_POST);
 444
 445         status = rhythmdb_entry_get_ulong (entry, RHYTHMDB_PROP_STATUS);
 446         file_name = rhythmdb_entry_get_string (entry, RHYTHMDB_PROP_MOUNTPOINT);
 447
 448         return (status != RHYTHMDB_PODCAST_STATUS_ERROR && file_name != NULL);
 449 }
 450
 451 void
 452 rb_podcast_manager_start_sync (RBPodcastManager *pd)
 453 {
 454         gint next_time;
 455         if (pd->priv->next_time > 0) {
 456                 next_time = pd->priv->next_time;
 457         } else {
 458                 next_time = eel_gconf_get_integer(CONF_STATE_PODCAST_DOWNLOAD_NEXT_TIME);
 459         }
 460
 461         if (next_time > 0) {
 462                 if (pd->priv->source_sync != 0) {
 463                         g_source_remove (pd->priv->source_sync);
 464                         pd->priv->source_sync = 0;
 465                 }
 466                 next_time = next_time - ((int)time (NULL));
 467                 if (next_time <= 0) {
 468                         rb_podcast_manager_update_feeds (pd);
 469                         pd->priv->next_time = 0;
 470                         rb_podcast_manager_update_synctime (pd);
 471                         return;
 472                 }
 473                 pd->priv->source_sync = g_timeout_add (next_time * 1000, (GSourceFunc ) rb_podcast_manager_sync_head_cb, pd);
 474         }
 475
 476 }
 477
 478 static gboolean
 479 rb_podcast_manager_sync_head_cb (gpointer data)
 480 {
 481         RBPodcastManager *pd = RB_PODCAST_MANAGER (data);
 482         rb_podcast_manager_update_feeds (pd);
 483         pd->priv->source_sync = 0;
 484         pd->priv->next_time = 0;
 485         rb_podcast_manager_update_synctime (RB_PODCAST_MANAGER (data));
 486         return FALSE;
 487 }
 488
 489 void
 490 rb_podcast_manager_update_feeds (RBPodcastManager *pd)
 491 {
 492         GtkTreeModel* query_model = GTK_TREE_MODEL (rhythmdb_query_model_new_empty(pd->priv->db));
 493
 494         rhythmdb_do_full_query (pd->priv->db,
 495                                 RHYTHMDB_QUERY_RESULTS (query_model),
 496                                 RHYTHMDB_QUERY_PROP_EQUALS,
 497                                 RHYTHMDB_PROP_TYPE, RHYTHMDB_ENTRY_TYPE_PODCAST_FEED,
 498                                 RHYTHMDB_QUERY_END);
 499
 500         gtk_tree_model_foreach (query_model,
 501                                 (GtkTreeModelForeachFunc) rb_podcast_manager_head_query_cb,
 502                                 pd);
 503
 504         g_object_unref (query_model);
 505 }
 506
 507 static gboolean
 508 rb_podcast_manager_head_query_cb (GtkTreeModel *query_model,
 509                                   GtkTreePath *path, GtkTreeIter *iter,
 510                                   RBPodcastManager *manager)
 511 {
 512         const char* uri;
 513         RhythmDBEntry* entry;
 514         guint status;
 515
 516         gtk_tree_model_get (query_model, iter, 0, &entry, -1);
 517         uri = rhythmdb_entry_get_string (entry, RHYTHMDB_PROP_LOCATION);
 518         status = rhythmdb_entry_get_ulong (entry, RHYTHMDB_PROP_STATUS);
 519         if (status == 1)
 520                 rb_podcast_manager_subscribe_feed (manager, uri);
 521
 522         return FALSE;
 523 }
 524
 525 static gboolean
 526 rb_podcast_manager_next_file (RBPodcastManager * pd)
 527 {
 528
 529         rb_debug ("try lock file_process mutex");
 530         if (g_mutex_trylock (pd->priv->mutex_job) == TRUE) {
 531                 gint size;
 532
 533                 g_mutex_lock (pd->priv->download_list_mutex);
 534                 size = g_list_length (pd->priv->download_list);
 535                 g_mutex_unlock (pd->priv->download_list_mutex);
 536
 537                 if (size > 0)
 538                         rb_podcast_manager_copy_post (pd);
 539                 else
 540                         g_mutex_unlock (pd->priv->mutex_job);
 541         } else {
 542                 rb_debug ("not start");
 543         }
 544
 545         return FALSE;
 546 }
 547
 548 static void
 549 rb_podcast_manager_copy_post (RBPodcastManager *pd)
 550 {
 551         GnomeVFSURI *remote_uri = NULL;
 552         GnomeVFSURI *local_uri = NULL;
 553         GValue location_val = { 0, };
 554         const char *location, *album_name;
 555         char *short_name, *local_file_name;
 556         char *dir_name, *conf_dir_name;
 557         RBPodcastManagerInfo *data = NULL;
 558         RhythmDBEntry *entry;
 559
 560         rb_debug ("Stating copy file");
 561         g_value_init (&location_val, G_TYPE_STRING);
 562
 563
 564         /* get first element of list */
 565         g_mutex_lock (pd->priv->download_list_mutex);
 566         data = (RBPodcastManagerInfo *) g_list_first(pd->priv->download_list)->data;
 567         g_mutex_unlock (pd->priv->download_list_mutex);
 568
 569         if (data == NULL)
 570                 return;
 571
 572
 573         entry = data->entry;
 574
 575         g_assert (entry != NULL);
 576
 577         location = rhythmdb_entry_get_string (entry, RHYTHMDB_PROP_LOCATION);
 578         album_name = rhythmdb_entry_get_string (entry, RHYTHMDB_PROP_ALBUM);
 579
 580         rb_debug ("processing %s", location);
 581
 582         remote_uri = gnome_vfs_uri_new (location);
 583         if (!remote_uri) {
 584                 rb_debug ("Error downloading podcast: could not create remote uri");
 585                 goto next_step;
 586         }
 587
 588         if (gnome_vfs_uri_is_local (remote_uri)) {
 589                 rb_debug ("Error downloading podcast: uri is local");
 590                 goto next_step;
 591         }
 592
 593
 594         conf_dir_name = rb_podcast_manager_get_podcast_dir (pd);
 595         dir_name = g_build_filename (conf_dir_name,
 596                                      album_name,
 597                                      NULL);
 598         g_free (conf_dir_name);
 599
 600          if (!g_file_test (dir_name, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
 601                 if (rb_podcast_manager_mkdir_with_parents (dir_name, 0750) != 0) {
 602                         rb_debug ("Error downloading podcast: could not create local dirs");
 603                         goto next_step;
 604                 }
 605          }
 606
 607         short_name = gnome_vfs_uri_extract_short_name (remote_uri);
 608         local_file_name = g_build_filename (dir_name,
 609                                             short_name,
 610                                            NULL);
 611         g_free (short_name);
 612         g_free (dir_name);
 613
 614         rb_debug ("creating file %s\n", local_file_name);
 615
 616         local_uri = gnome_vfs_uri_new (local_file_name);
 617         if (!local_uri) {
 618                 rb_debug ("Error downloading podcast: could not create local uri");
 619                 goto next_step;
 620         }
 621
 622         if (g_file_test (local_file_name, G_FILE_TEST_EXISTS)) {
 623                 guint64 remote_size;
 624                 GnomeVFSFileInfo *info = gnome_vfs_file_info_new ();
 625                 GnomeVFSResult result;
 626
 627                 result = gnome_vfs_get_file_info_uri (remote_uri, info, GNOME_VFS_FILE_INFO_FOLLOW_LINKS);
 628                 if (result != GNOME_VFS_OK) {
 629                         rb_debug ("unable to retrieve info on remote of podcast");
 630                         goto next_step;
 631                 } else {
 632                         remote_size = info->size;
 633                 }
 634
 635                 result = gnome_vfs_get_file_info (local_file_name, info, GNOME_VFS_FILE_INFO_FOLLOW_LINKS);
 636                 if (result != GNOME_VFS_OK) {
 637                         rb_debug ("unable to retrieve info on local copy of podcast");
 638                         goto next_step;
 639                 } else if (remote_size == info->size) {
 640                         GValue val = {0,};
 641                         char *uri = gnome_vfs_uri_to_string (local_uri, GNOME_VFS_URI_HIDE_NONE);
 642
 643                         rb_debug ("podcast %s already downloaded", location);
 644
 645                         g_value_init (&val, G_TYPE_ULONG);
 646                         g_value_set_ulong (&val, RHYTHMDB_PODCAST_STATUS_COMPLETE);
 647                         rhythmdb_entry_set (pd->priv->db, data->entry, RHYTHMDB_PROP_STATUS, &val);
 648                         g_value_unset (&val);
 649
 650                         g_value_init (&val, G_TYPE_STRING);
 651                         g_value_set_string (&val, uri);
 652                         rhythmdb_entry_set (pd->priv->db, data->entry, RHYTHMDB_PROP_MOUNTPOINT, &val);
 653                         g_value_unset (&val);
 654
 655                         rb_podcast_manager_save_metadata (pd->priv->db, data->entry, uri);
 656                         rhythmdb_commit (pd->priv->db);
 657
 658                         goto next_step;
 659                 } else if (remote_size > info->size) {
 660                         /* TODO: suport resume file */
 661                 } else {
 662                         /* the local file is larger. replace it */
 663                 }
 664
 665                 gnome_vfs_file_info_unref (info);
 666         }
 667
 668         g_free (local_file_name);
 669
 670         data->read_uri = remote_uri;
 671         data->write_uri = local_uri;
 672
 673         start_job (data);
 674         return;
 675
 676 next_step:
 677
 678         if (remote_uri)
 679                 gnome_vfs_uri_unref (remote_uri);
 680
 681         if (local_uri)
 682                 gnome_vfs_uri_unref (local_uri);
 683
 684         g_mutex_lock (pd->priv->download_list_mutex);
 685         pd->priv->download_list = g_list_remove (pd->priv->download_list, (gconstpointer ) data);
 686         g_mutex_unlock (pd->priv->download_list_mutex);
 687
 688         download_info_free (data);
 689         data = NULL;
 690
 691         g_mutex_unlock (pd->priv->mutex_job);
 692         gtk_idle_add ((GtkFunction) rb_podcast_manager_next_file , pd);
 693 }
 694
 695
 696 static int
 697 rb_podcast_manager_mkdir_with_parents (const gchar *pathname,
 698                                         int          mode)
 699 {
 700   gchar *fn, *p;
 701
 702   if (pathname == NULL || *pathname == '\0')
 703     {
 704       return -1;
 705     }
 706
 707   fn = g_strdup (pathname);
 708
 709   if (g_path_is_absolute (fn))
 710     p = (gchar *) g_path_skip_root (fn);
 711   else
 712     p = fn;
 713
 714   do
 715     {
 716       while (*p && !G_IS_DIR_SEPARATOR (*p))
 717         p++;
 718
 719       if (!*p)
 720         p = NULL;
 721       else
 722         *p = '\0';
 723
 724       if (!g_file_test (fn, G_FILE_TEST_EXISTS))
 725         {
 726           if (g_mkdir (fn, mode) == -1)
 727             {
 728               g_free (fn);
 729               return -1;
 730             }
 731         }
 732       else if (!g_file_test (fn, G_FILE_TEST_IS_DIR))
 733         {
 734           g_free (fn);
 735           return -1;
 736         }
 737       if (p)
 738         {
 739           *p++ = G_DIR_SEPARATOR;
 740           while (*p && G_IS_DIR_SEPARATOR (*p))
 741             p++;
 742         }
 743     }
 744   while (p);
 745
 746   g_free (fn);
 747
 748   return 0;
 749 }
 750
 751 gboolean
 752 rb_podcast_manager_subscribe_feed (RBPodcastManager *pd, const char* url)
 753 {
 754         RBPodcastThreadInfo *info;
 755         gchar *valid_url = gnome_vfs_make_uri_from_input (url);
 756
 757         if (valid_url == NULL) {
 758                 rb_error_dialog (NULL, _("Invalid URL"),
 759                                  _("The URL \"%s\" is not valid, please check it."), url);
 760                 return FALSE;
 761         }
 762
 763         RhythmDBEntry *entry = rhythmdb_entry_lookup_by_location (pd->priv->db, valid_url);
 764         if (entry) {
 765                 if (rhythmdb_entry_get_ulong (entry, RHYTHMDB_PROP_TYPE) != RHYTHMDB_ENTRY_TYPE_PODCAST_FEED) {
 766                         /* added as something else, probably iradio */
 767                         rb_error_dialog (NULL, _("URL already added"),
 768                                          _("The URL \"%s\" has already been added as a radio station. "
 769                                          "If this is a podcast feed, please remove the radio station."), url);
 770                         return FALSE;
 771                 }
 772         }
 773
 774         info = g_new0 (RBPodcastThreadInfo, 1);
 775         info->pd = pd;
 776         info->url = valid_url;
 777
 778         g_async_queue_ref (info->pd->priv->event_queue);
 779         g_thread_create ((GThreadFunc) rb_podcast_manager_thread_parse_feed,
 780                          info, FALSE, NULL);
 781
 782         return TRUE;
 783 }
 784
 785 static gpointer
 786 rb_podcast_manager_thread_parse_feed (RBPodcastThreadInfo *info)
 787 {
 788         RBPodcastManagerEvent *event = g_new0 (RBPodcastManagerEvent, 1);
 789         RBPodcastChannel *feed = g_new0 (RBPodcastChannel, 1);
 790
 791         rb_podcast_parse_load_feed (feed, info->url);
 792
 793         event->channel = feed;
 794         event->type = (feed->title == NULL) ? EVENT_ERROR_FEED : EVENT_INSERT_FEED;
 795
 796         g_async_queue_push (info->pd->priv->event_queue, event);
 797         g_idle_add ((GSourceFunc) rb_podcast_manager_event_loop, info->pd);
 798
 799         g_free (info->url);
 800         g_free (info);
 801         return NULL;
 802 }
 803
 804 gboolean
 805 rb_podcast_manager_add_post (RhythmDB *db,
 806                               const char *name,
 807                               const char *title,
 808                               const char *subtitle,
 809                               const char *generator,
 810                               const char *uri,
 811                               const char *description,
 812                               gulong status,
 813                               gulong date,
 814                               gulong duration,
 815                               guint64 filesize)
 816 {
 817
 818         if (uri && name && title && date && g_utf8_validate(uri, -1, NULL)) {
 819                 RhythmDBEntry *entry = rhythmdb_entry_lookup_by_location (db, uri);
 820                 GValue val = {0,};
 821                 GTimeVal time;
 822
 823                 if (entry)
 824                         return FALSE;
 825
 826                 entry = rhythmdb_entry_new (db,
 827                                             RHYTHMDB_ENTRY_TYPE_PODCAST_POST,
 828                                             uri);
 829                 if (entry == NULL)
 830                         return FALSE;
 831
 832                 g_value_init (&val, G_TYPE_STRING);
 833                 g_value_set_string (&val, name);
 834                 rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_ALBUM, &val);
 835
 836                 g_value_reset (&val);
 837                 g_value_set_static_string (&val, _("Podcast"));
 838                 rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_GENRE, &val);
 839
 840                 g_value_reset (&val);
 841                 g_value_set_string (&val, title);
 842                 rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_TITLE, &val);
 843
 844                 g_value_reset (&val);
 845                 if (subtitle)
 846                         g_value_set_string (&val, subtitle);
 847                 else
 848                         g_value_set_static_string (&val, "");
 849                 rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_SUBTITLE, &val);
 850
 851                 g_value_reset (&val);
 852                 if (description)
 853                         g_value_set_string (&val, description);
 854                 else
 855                         g_value_set_static_string (&val, "");
 856                 rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_DESCRIPTION, &val);
 857
 858                 g_value_reset (&val);
 859                 if (generator)
 860                         g_value_set_string (&val, generator);
 861                 else
 862                         g_value_set_static_string (&val, "");
 863                 rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_ARTIST, &val);
 864                 g_value_unset (&val);
 865
 866                 g_value_init (&val, G_TYPE_ULONG);
 867                 g_value_set_ulong (&val, status);
 868                 rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_STATUS, &val);
 869
 870                 g_value_reset (&val);
 871                 g_value_set_ulong (&val, date);
 872                 rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_POST_TIME, &val);
 873
 874                 g_value_reset (&val);
 875                 g_value_set_ulong (&val, duration);
 876                 rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_DURATION, &val);
 877
 878                 g_value_reset (&val);
 879                 g_value_set_ulong (&val, 0);
 880                 rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_LAST_PLAYED, &val);
 881
 882                 /* first seen */
 883                 g_get_current_time (&time);
 884                 g_value_reset (&val);
 885                 g_value_set_ulong (&val, time.tv_sec);
 886                 rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_FIRST_SEEN, &val);
 887                 g_value_unset (&val);
 888
 889                 /* initialize the rating */
 890                 g_value_init (&val, G_TYPE_DOUBLE);
 891                 g_value_set_double (&val, 2.5);
 892                 rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_RATING, &val);
 893                 g_value_unset (&val);
 894
 895                 g_value_init (&val, G_TYPE_UINT64);
 896                 g_value_set_uint64 (&val, filesize);
 897                 rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_FILE_SIZE, &val);
 898                 g_value_unset (&val);
 899
 900                 return TRUE;
 901         } else {
 902                 return FALSE;
 903         }
 904 }
 905
 906 static gboolean
 907 rb_podcast_manager_save_metadata (RhythmDB *db, RhythmDBEntry *entry, const char* uri)
 908 {
 909         RBMetaData *md = rb_metadata_new();
 910         GError *error = NULL;
 911         GValue val = { 0, };
 912         const char *mime;
 913
 914         rb_debug("Loading podcast metadata");
 915         rb_metadata_load (md, uri, &error);
 916
 917         if (error != NULL) {
 918                 /* this probably isn't an audio enclosure. or some other error */
 919                 g_value_init (&val, G_TYPE_ULONG);
 920                 g_value_set_ulong (&val, RHYTHMDB_PODCAST_STATUS_ERROR);
 921                 rhythmdb_entry_set (db, entry, RHYTHMDB_PROP_STATUS, &val);
 922                 g_value_unset (&val);
 923
 924                 g_value_init (&val, G_TYPE_STRING);
 925                 g_value_set_string (&val, error->message);
 926                 rhythmdb_entry_set (db, entry, RHYTHMDB_PROP_PLAYBACK_ERROR, &val);
 927                 g_value_unset (&val);
 928
 929                 rhythmdb_commit (db);
 930
 931                 g_object_unref (md);
 932                 return FALSE;
 933         }
 934
 935         mime = rb_metadata_get_mime (md);
 936         if (mime) {
 937                 g_value_init (&val, G_TYPE_STRING);
 938                 g_value_set_string (&val, mime);
 939                 rhythmdb_entry_set (db, entry, RHYTHMDB_PROP_MIMETYPE, &val);
 940                 g_value_unset (&val);
 941         }
 942
 943         if (rb_metadata_get (md,
 944                              RB_METADATA_FIELD_DURATION,
 945                              &val)) {
 946                 rhythmdb_entry_set (db, entry, RHYTHMDB_PROP_DURATION, &val);
 947                 g_value_unset (&val);
 948         }
 949
 950         if (rb_metadata_get (md,
 951                              RB_METADATA_FIELD_BITRATE,
 952                              &val)) {
 953                 rhythmdb_entry_set (db, entry, RHYTHMDB_PROP_BITRATE, &val);
 954                 g_value_unset (&val);
 955         }
 956
 957         rhythmdb_commit (db);
 958
 959         g_object_unref (md);
 960         return TRUE;
 961 }
 962
 963 static void
 964 rb_podcast_manager_db_entry_added_cb (RBPodcastManager *pd, RhythmDBEntry *entry)
 965 {
 966
 967         gulong type = rhythmdb_entry_get_ulong (entry, RHYTHMDB_PROP_TYPE);
 968         if (type != RHYTHMDB_ENTRY_TYPE_PODCAST_POST)
 969                 return;
 970
 971         rb_podcast_manager_download_entry (pd, entry);
 972 }
 973
 974 static void
 975 write_job_data (RBPodcastManagerInfo *data)
 976 {
 977
 978         GValue val = {0, };
 979         RhythmDB *db = data->pd->priv->db;
 980
 981         rb_debug ("in the write_job");
 982
 983         g_value_init (&val, G_TYPE_UINT64);
 984         g_value_set_uint64 (&val, data->total_size);
 985         rhythmdb_entry_set (db, data->entry, RHYTHMDB_PROP_FILE_SIZE, &val);
 986         g_value_unset (&val);
 987
 988         g_value_init (&val, G_TYPE_ULONG);
 989         g_value_set_ulong (&val, RHYTHMDB_PODCAST_STATUS_COMPLETE);
 990         rhythmdb_entry_set (db, data->entry, RHYTHMDB_PROP_STATUS, &val);
 991         g_value_unset (&val);
 992
 993         rb_podcast_manager_save_metadata (db, data->entry,
 994                                            gnome_vfs_uri_to_string (data->write_uri, GNOME_VFS_URI_HIDE_NONE));
 995
 996         rhythmdb_commit (db);
 997 }
 998
 999 static void
1000 download_info_free (RBPodcastManagerInfo *data)
1001 {
1002         if (data->write_uri) {
1003                 gnome_vfs_uri_unref (data->write_uri);
1004                 data->write_uri = NULL;
1005         }
1006
1007         if (data->read_uri) {
1008                 gnome_vfs_uri_unref (data->read_uri);
1009                 data->read_uri = NULL;
1010         }
1011
1012
1013         g_mutex_free (data->mutex_working);
1014
1015         g_free (data);
1016 }
1017
1018 static RBPodcastManagerInfo*
1019 download_info_new (void)
1020 {
1021         RBPodcastManagerInfo *data = g_new0 (RBPodcastManagerInfo, 1);
1022         data->pd = NULL;
1023         data->entry = NULL;
1024         data->write_uri = NULL;
1025         data->read_uri = NULL;
1026         data->mutex_working = g_mutex_new ();
1027         data->total_size = 0;
1028         data->progress = 0;
1029         data->canceled = FALSE;
1030
1031         return data;
1032 }
1033
1034 static void
1035 start_job (RBPodcastManagerInfo *data)
1036 {
1037
1038         GList *source_uri_list = NULL;
1039         GList *target_uri_list = NULL;
1040
1041         rb_debug ("start job");
1042
1043         GDK_THREADS_ENTER ();
1044         g_signal_emit (data->pd, rb_podcast_manager_signals[START_DOWNLOAD],
1045                        0, data->entry);
1046         GDK_THREADS_LEAVE ();
1047
1048         source_uri_list = g_list_prepend (source_uri_list, data->read_uri);
1049         target_uri_list = g_list_prepend (target_uri_list, data->write_uri);
1050
1051         g_mutex_lock (data->mutex_working);
1052
1053         rb_debug ("start async copy");
1054         gnome_vfs_async_xfer ( &data->read_handle,
1055                                 source_uri_list,
1056                                 target_uri_list,
1057                                 GNOME_VFS_XFER_DEFAULT ,
1058                                 GNOME_VFS_XFER_ERROR_MODE_ABORT,
1059                                 GNOME_VFS_XFER_OVERWRITE_MODE_REPLACE,
1060                                 GNOME_VFS_PRIORITY_DEFAULT,
1061                                 (GnomeVFSAsyncXferProgressCallback ) download_progress_update_cb,
1062                                 data,
1063                                 (GnomeVFSXferProgressCallback ) download_progress_cb,
1064                                 data);
1065
1066 }
1067
1068 void
1069 rb_podcast_manager_cancel_all   (RBPodcastManager *pd)
1070 {
1071         guint i;
1072         guint lst_len;
1073         GList *lst;
1074
1075         g_mutex_lock (pd->priv->download_list_mutex);
1076         lst = g_list_reverse (pd->priv->download_list);
1077         g_mutex_unlock (pd->priv->download_list_mutex);
1078
1079         rb_debug ("cancel all job %d", g_list_length (lst));
1080         lst_len = g_list_length (lst);
1081
1082         for (i=0; i < lst_len; i++) {
1083                 RBPodcastManagerInfo *data = (RBPodcastManagerInfo *) lst->data;
1084                 lst = lst->next;
1085                 cancel_job (data);
1086                 rb_debug ("cancel next job");
1087         }
1088
1089         if (lst_len > 0) {
1090                 g_mutex_lock (pd->priv->mutex_job);
1091                 g_mutex_unlock (pd->priv->mutex_job);
1092         }
1093 }
1094
1095 static void
1096 end_job (RBPodcastManagerInfo *data)
1097 {
1098         RBPodcastManager *pd = data->pd;
1099
1100         rb_debug ("end_job");
1101
1102         g_mutex_lock (data->pd->priv->download_list_mutex);
1103         data->pd->priv->download_list = g_list_remove (data->pd->priv->download_list, (gconstpointer) data);
1104         g_mutex_unlock (data->pd->priv->download_list_mutex);
1105
1106         g_mutex_unlock (data->mutex_working);
1107
1108
1109         if (data->canceled != TRUE) {
1110                 GDK_THREADS_ENTER ();
1111
1112                 g_signal_emit (data->pd, rb_podcast_manager_signals[FINISH_DOWNLOAD],
1113                                0, data->entry);
1114
1115                 GDK_THREADS_LEAVE ();
1116         }
1117
1118         download_info_free (data);
1119         g_mutex_unlock (pd->priv->mutex_job);
1120
1121         gtk_idle_add ((GtkFunction) rb_podcast_manager_next_file, pd);
1122 }
1123
1124 static void
1125 cancel_job (RBPodcastManagerInfo *data)
1126 {
1127         if (g_mutex_trylock (data->mutex_working) == FALSE) {
1128                 rb_debug ("async cancel");
1129                 data->canceled = TRUE;
1130         }
1131         else {
1132                 rb_debug ("job cancel");
1133
1134                 g_mutex_lock (data->pd->priv->download_list_mutex);
1135                 data->pd->priv->download_list = g_list_remove (data->pd->priv->download_list, (gconstpointer ) data);
1136                 g_mutex_unlock (data->pd->priv->download_list_mutex);
1137
1138                 g_mutex_unlock (data->mutex_working);
1139
1140                 download_info_free (data);
1141                 data = NULL;
1142         }
1143 }
1144
1145 static guint
1146 download_progress_cb (GnomeVFSXferProgressInfo *info, gpointer cb_data)
1147 {
1148         RBPodcastManagerInfo *data = (RBPodcastManagerInfo *) cb_data;
1149
1150         if (data == NULL) {
1151                 return GNOME_VFS_XFER_ERROR_ACTION_ABORT;
1152         }
1153
1154         if (info->status != GNOME_VFS_XFER_PROGRESS_STATUS_OK) {
1155                 GValue val = {0, };
1156                 rb_debug ("error on download");
1157                 g_value_init (&val, G_TYPE_ULONG);
1158                 g_value_set_ulong (&val, RHYTHMDB_PODCAST_STATUS_ERROR);
1159                 GDK_THREADS_ENTER ();
1160                 rhythmdb_entry_set (data->pd->priv->db, data->entry, RHYTHMDB_PROP_STATUS,  &val);
1161                 rhythmdb_commit (data->pd->priv->db);
1162                 GDK_THREADS_LEAVE ();
1163                 g_value_unset (&val);
1164                 end_job (data);
1165                 data = NULL;
1166                 return GNOME_VFS_XFER_ERROR_ACTION_ABORT;
1167         }
1168
1169         if (rhythmdb_entry_get_string (data->entry, RHYTHMDB_PROP_MOUNTPOINT) == NULL) {
1170                 GValue val = {0,};
1171                 RhythmDB *db = data->pd->priv->db;
1172
1173                 g_value_init (&val, G_TYPE_STRING);
1174                 g_value_set_string (&val,
1175                                     gnome_vfs_uri_to_string (data->write_uri, GNOME_VFS_URI_HIDE_NONE));
1176                 rhythmdb_entry_set (db, data->entry, RHYTHMDB_PROP_MOUNTPOINT, &val);
1177                 g_value_unset (&val);
1178                 rhythmdb_commit (db);
1179         }
1180
1181         if (info->phase  == GNOME_VFS_XFER_PHASE_COMPLETED) {
1182                 if (data->canceled != TRUE)  {
1183                         rb_debug ("download completed");
1184                         data->total_size = info->file_size;
1185                         write_job_data (data);
1186                 }
1187                 end_job (data);
1188                 data = NULL;
1189                 return GNOME_VFS_XFER_ERROR_ACTION_SKIP;
1190         }
1191
1192         if (data->canceled == TRUE) {
1193                 rb_debug ("job canceled");
1194                 gnome_vfs_async_cancel (data->read_handle);
1195                 return GNOME_VFS_XFER_ERROR_ACTION_ABORT;
1196         }
1197
1198
1199         return 1;
1200 }
1201
1202 static guint
1203 download_progress_update_cb (GnomeVFSAsyncHandle *handle, GnomeVFSXferProgressInfo *info, gpointer cb_data)
1204 {
1205
1206         RBPodcastManagerInfo *data = (RBPodcastManagerInfo *) cb_data;
1207
1208         if (data == NULL) {
1209                 return GNOME_VFS_XFER_ERROR_ACTION_ABORT;
1210         }
1211
1212
1213         if ((info->phase == GNOME_VFS_XFER_PHASE_COPYING) &&
1214             (data->entry != NULL)) {
1215                 guint local_progress = 0;
1216
1217                 if (info->file_size > 0)
1218                         local_progress = (gint) 100 * info->total_bytes_copied / info->file_size;
1219
1220                 if (local_progress != data->progress) {
1221                         GValue val = {0,};
1222
1223                         g_value_init (&val, G_TYPE_ULONG);
1224                         g_value_set_ulong (&val, local_progress);
1225                         rhythmdb_entry_set (data->pd->priv->db, data->entry, RHYTHMDB_PROP_STATUS, &val);
1226                         g_value_unset (&val);
1227
1228                         GDK_THREADS_ENTER ();
1229
1230                         g_signal_emit (data->pd, rb_podcast_manager_signals[STATUS_CHANGED],
1231                                        0, data->entry, local_progress);
1232
1233                         GDK_THREADS_LEAVE ();
1234                         data->progress = local_progress;
1235                 }
1236         }
1237
1238         return GNOME_VFS_XFER_ERROR_ACTION_SKIP;
1239 }
1240
1241 void
1242 rb_podcast_manager_unsubscribe_feed (RhythmDB *db, const char* url)
1243 {
1244         RhythmDBEntry *entry = rhythmdb_entry_lookup_by_location (db, url);
1245         if (entry) {
1246                 GValue val = {0, };
1247                 g_value_init (&val, G_TYPE_ULONG);
1248                 g_value_set_ulong (&val, 0);
1249                 rhythmdb_entry_set (db, entry, RHYTHMDB_PROP_STATUS, &val);
1250                 g_value_unset (&val);
1251         }
1252
1253 }
1254
1255 gboolean
1256 rb_podcast_manager_remove_feed (RBPodcastManager *pd, const char* url, gboolean remove_files)
1257 {
1258         RhythmDBEntry *entry = rhythmdb_entry_lookup_by_location (pd->priv->db, url);
1259         if (entry) {
1260                 rb_podcast_manager_set_remove_files (pd, remove_files);
1261                 rhythmdb_entry_delete (pd->priv->db, entry);
1262                 rhythmdb_commit (pd->priv->db);
1263                 return TRUE;
1264         }
1265
1266         return FALSE;
1267 }
1268
1269 static void
1270 rb_podcast_manager_db_entry_deleted_cb (RBPodcastManager *pd, RhythmDBEntry *entry)
1271 {
1272
1273         gulong type = rhythmdb_entry_get_ulong (entry, RHYTHMDB_PROP_TYPE);
1274
1275         if ((type == RHYTHMDB_ENTRY_TYPE_PODCAST_POST) && (pd->priv->remove_files == TRUE) )
1276         {
1277                 const gchar *file_name;
1278                 const gchar *dir_name;
1279                 const gchar *conf_dir_name;
1280                 GnomeVFSURI *uri;
1281
1282                 /* make sure we're not downloading it */
1283                 rb_podcast_manager_cancel_download (pd, entry);
1284
1285                 file_name = rhythmdb_entry_get_string (entry, RHYTHMDB_PROP_MOUNTPOINT);
1286                 if (file_name == NULL) {
1287                         /* episode has not been downloaded */
1288                         return;
1289                 }
1290
1291                 uri = gnome_vfs_uri_new (file_name);
1292
1293                 if ((uri != NULL) && (gnome_vfs_uri_is_local (uri) == TRUE)) {
1294                         gnome_vfs_unlink (rhythmdb_entry_get_string (entry, RHYTHMDB_PROP_MOUNTPOINT));
1295
1296                         /* remove dir */
1297                         rb_debug ("removing dir");
1298                         conf_dir_name = eel_gconf_get_string (CONF_STATE_PODCAST_DOWNLOAD_DIR);
1299
1300                         dir_name = g_build_filename (conf_dir_name,
1301                                                      rhythmdb_entry_get_string (entry, RHYTHMDB_PROP_ALBUM),
1302                                                      NULL);
1303                         gnome_vfs_remove_directory (dir_name);
1304                 }
1305         }
1306         else if (type == RHYTHMDB_ENTRY_TYPE_PODCAST_FEED)
1307         {
1308                 GtkTreeModel* query_model = GTK_TREE_MODEL (rhythmdb_query_model_new_empty(pd->priv->db));
1309                 GtkTreeIter iter;
1310
1311                 rhythmdb_do_full_query (pd->priv->db,
1312                                         RHYTHMDB_QUERY_RESULTS (query_model),
1313                                         RHYTHMDB_QUERY_PROP_EQUALS,
1314                                         RHYTHMDB_PROP_TYPE, RHYTHMDB_ENTRY_TYPE_PODCAST_POST,
1315                                         RHYTHMDB_QUERY_PROP_LIKE,
1316                                         RHYTHMDB_PROP_SUBTITLE, rhythmdb_entry_get_string (entry,  RHYTHMDB_PROP_LOCATION),
1317                                         RHYTHMDB_QUERY_END);
1318
1319                 if (gtk_tree_model_get_iter_first (query_model, &iter)) {
1320                         gboolean has_next;
1321                         do {
1322                                 RhythmDBEntry *entry;
1323                                 gtk_tree_model_get (query_model, &iter, 0, &entry, -1);
1324                                 has_next = gtk_tree_model_iter_next (query_model, &iter);
1325                                 rhythmdb_entry_delete (pd->priv->db, entry);
1326                         } while (has_next);
1327                         rhythmdb_commit (pd->priv->db);
1328                 }
1329         }
1330 }
1331
1332
1333 void
1334 rb_podcast_manager_cancel_download (RBPodcastManager *pd, RhythmDBEntry *entry)
1335 {
1336         GList *lst;
1337
1338         g_mutex_lock (pd->priv->download_list_mutex);
1339
1340         lst = pd->priv->download_list;
1341         while (lst) {
1342                 RBPodcastManagerInfo *data = (RBPodcastManagerInfo *) lst->data;
1343                 if (data->entry == entry) {
1344                         rb_debug ("Found job");
1345                         break;
1346                 }
1347                 lst = lst->next;
1348         }
1349         g_mutex_unlock (pd->priv->download_list_mutex);
1350
1351         if (lst)
1352                 cancel_job (lst->data);
1353 }
1354
1355
1356 static void
1357 rb_podcast_manager_update_synctime (RBPodcastManager *pd)
1358 {
1359         gint value;
1360         gint index = eel_gconf_get_integer (CONF_STATE_PODCAST_DOWNLOAD_INTERVAL);
1361
1362         switch (index)
1363         {
1364         case UPDATE_EVERY_HOUR:
1365                 value = time (NULL) + 3600;
1366                 break;
1367         case UPDATE_EVERY_DAY:
1368                 value = time (NULL) + (3600 * 24);
1369                 break;
1370         case UPDATE_EVERY_WEEK:
1371                 value = time (NULL) + (3600 * 24 * 7);
1372                 break;
1373         case UPDATE_MANUALLY:
1374                 value = 0;
1375                 break;
1376         default:
1377                 value = 0;
1378         };
1379
1380         eel_gconf_set_integer (CONF_STATE_PODCAST_DOWNLOAD_NEXT_TIME, value);
1381         eel_gconf_suggest_sync ();
1382         pd->priv->next_time = value;
1383         rb_podcast_manager_start_sync (pd);
1384 }
1385
1386 static void  rb_podcast_manager_config_changed (GConfClient* client,
1387                                                 guint cnxn_id,
1388                                                 GConfEntry *entry,
1389                                                 gpointer user_data)
1390 {
1391         rb_podcast_manager_update_synctime (RB_PODCAST_MANAGER (user_data));
1392 }
1393
1394
1395 void
1396 rb_podcast_manager_set_remove_files (RBPodcastManager *pd, gboolean flag)
1397 {
1398         pd->priv->remove_files = flag;
1399
1400 }
1401
1402 gboolean
1403 rb_podcast_manager_get_remove_files (RBPodcastManager *pd)
1404 {
1405         return pd->priv->remove_files;
1406 }
1407
1408 static void
1409 rb_podcast_manager_insert_feed (RBPodcastManager *pd, RBPodcastChannel *data)
1410 {
1411         GValue description_val = { 0, };
1412         GValue title_val = { 0, };
1413         GValue subtitle_val = { 0, };
1414         GValue summary_val = { 0, };
1415         GValue lang_val = { 0, };
1416         GValue copyright_val = { 0, };
1417         GValue image_val = { 0, };
1418         GValue author_val = { 0, };
1419         GValue status_val = { 0, };
1420         GValue last_post_val = { 0, };
1421         GValue last_update_val = { 0, };
1422         gulong last_post = 0;
1423         gulong new_last_post;
1424         gboolean new_feed, updated;
1425         RhythmDB *db = pd->priv->db;
1426
1427         RhythmDBEntry *entry;
1428
1429         GList *lst_songs;
1430
1431         if (data->title == NULL) {
1432                 g_list_free (data->posts);
1433                 g_free (data);
1434                 return;
1435         }
1436
1437         new_feed = TRUE;
1438
1439         /* processing podcast head */
1440         entry = rhythmdb_entry_lookup_by_location (db, (gchar* )data->url);
1441         if (entry) {
1442                 if (rhythmdb_entry_get_ulong (entry, RHYTHMDB_PROP_TYPE) != RHYTHMDB_ENTRY_TYPE_PODCAST_FEED)
1443                         return;
1444
1445                 rb_debug ("Head found");
1446                 g_value_init (&status_val, G_TYPE_ULONG);
1447                 g_value_set_ulong (&status_val, 1);
1448                 rhythmdb_entry_set (db, entry, RHYTHMDB_PROP_STATUS, &status_val);
1449                 g_value_unset (&status_val);
1450                 last_post = rhythmdb_entry_get_ulong (entry, RHYTHMDB_PROP_POST_TIME);
1451                 new_feed = FALSE;
1452         } else {
1453                 rb_debug ("Insert new entry");
1454                 entry = rhythmdb_entry_new (db,
1455                                             RHYTHMDB_ENTRY_TYPE_PODCAST_FEED,
1456                                             (gchar*) data->url);
1457                 if (entry == NULL)
1458                         return;
1459                 rb_debug("New entry create\n");
1460
1461                 g_value_init (&title_val, G_TYPE_STRING);
1462                 g_value_set_string (&title_val, (gchar* ) data->title);
1463                 rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_TITLE, &title_val);
1464                 g_value_unset (&title_val);
1465
1466                 g_value_init (&author_val, G_TYPE_STRING);
1467                 if (data->author)
1468                         g_value_set_string (&author_val, (gchar* ) data->author);
1469                 else
1470                         g_value_set_static_string (&author_val, _("Unknown"));
1471                 rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_ARTIST, &author_val);
1472                 g_value_unset (&author_val);
1473
1474
1475                 if (data->subtitle) {
1476                         g_value_init (&subtitle_val, G_TYPE_STRING);
1477                         g_value_set_string (&subtitle_val, (gchar* ) data->subtitle);
1478                         rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_SUBTITLE, &subtitle_val);
1479                         g_value_unset (&subtitle_val);
1480                 }
1481
1482                 if (data->description) {
1483                         g_value_init (&description_val, G_TYPE_STRING);
1484                         g_value_set_string (&description_val, (gchar* ) data->description);
1485                         rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_DESCRIPTION, &description_val);
1486                         g_value_unset (&description_val);
1487                 }
1488
1489                 if (data->summary) {
1490                         g_value_init (&summary_val, G_TYPE_STRING);
1491                         g_value_set_string (&summary_val, (gchar* ) data->summary);
1492                         rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_SUMMARY, &summary_val);
1493                         g_value_unset (&summary_val);
1494                 }
1495
1496                 if (data->lang) {
1497                         g_value_init (&lang_val, G_TYPE_STRING);
1498                         g_value_set_string (&lang_val, (gchar* ) data->lang);
1499                         rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_LANG, &lang_val);
1500                         g_value_unset (&lang_val);
1501                 }
1502
1503                 if (data->copyright) {
1504                         g_value_init (&copyright_val, G_TYPE_STRING);
1505                         g_value_set_string (&copyright_val, (gchar* ) data->copyright);
1506                         rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_COPYRIGHT, &copyright_val);
1507                         g_value_unset (&copyright_val);
1508                 }
1509
1510                 if (data->img) {
1511                         g_value_init (&image_val, G_TYPE_STRING);
1512                         g_value_set_string (&image_val, (gchar* ) data->img);
1513                         rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_IMAGE, &image_val);
1514                         g_value_unset (&image_val);
1515                 }
1516
1517                 g_value_init (&status_val, G_TYPE_ULONG);
1518                 g_value_set_ulong (&status_val, 1);
1519                 rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_STATUS, &status_val);
1520                 g_value_unset (&status_val);
1521
1522                 rb_debug("Podcast head Inserted");
1523         }
1524
1525         /* insert episodes */
1526         new_last_post = last_post;
1527
1528         updated = FALSE;
1529         for (lst_songs = data->posts; lst_songs != NULL; lst_songs = g_list_next (lst_songs)) {
1530                 RBPodcastItem *item = (RBPodcastItem *) lst_songs->data;
1531
1532                 if (item->pub_date > last_post || item->pub_date == 0) {
1533                         gulong status;
1534                         updated = TRUE;
1535
1536                         /* last episode gets status RHYTHMDB_PODCAST_STATUS_WAITING, so that it begins downloading */
1537                         if (lst_songs == (g_list_last (data->posts)))
1538                                 status = RHYTHMDB_PODCAST_STATUS_WAITING;
1539                         else
1540                                 status = RHYTHMDB_PODCAST_STATUS_PAUSED;
1541
1542                         rb_podcast_manager_add_post (db,
1543                                                      (gchar*) data->title,
1544                                                      (gchar*) item->title,
1545                                                      (gchar*) data->url,
1546                                                      (gchar*) (item->author ? item->author : data->author),
1547                                                      (gchar*) item->url,
1548                                                      (gchar*) item->description,
1549                                                      status,
1550                                                      (gulong) (item->pub_date > 0 ? item->pub_date : data->pub_date),
1551                                                      (gulong) item->duration,
1552                                                      item->filesize);
1553                         if (item->pub_date > new_last_post)
1554                                 new_last_post = item->pub_date;
1555                 }
1556         }
1557
1558         if (updated)
1559                 g_signal_emit (pd, rb_podcast_manager_signals[FEED_UPDATES_AVALIABLE],
1560                                0, entry);
1561
1562         if (data->pub_date > new_last_post)
1563                 new_last_post = data->pub_date;
1564
1565         g_value_init (&last_post_val, G_TYPE_ULONG);
1566         g_value_set_ulong (&last_post_val, new_last_post);
1567
1568         if (new_feed)
1569                 rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_POST_TIME, &last_post_val);
1570         else
1571                 rhythmdb_entry_set (db, entry, RHYTHMDB_PROP_POST_TIME, &last_post_val);
1572         g_value_unset (&last_post_val);
1573
1574         g_value_init (&last_update_val, G_TYPE_ULONG);
1575         g_value_set_ulong (&last_update_val, time(NULL));
1576
1577         if (new_feed)
1578                 rhythmdb_entry_set_uninserted (db, entry, RHYTHMDB_PROP_LAST_SEEN, &last_update_val);
1579         else
1580                 rhythmdb_entry_set (db, entry, RHYTHMDB_PROP_LAST_SEEN, &last_update_val);
1581         g_value_unset (&last_update_val);
1582
1583         rhythmdb_commit (db);
1584 }
1585
1586
1587 static gboolean
1588 rb_podcast_manager_event_loop (RBPodcastManager *pd)
1589 {
1590         RBPodcastManagerEvent *event;
1591
1592         while ((event = g_async_queue_try_pop (pd->priv->event_queue))) {
1593                 switch (event->type)
1594                 {
1595                         case EVENT_INSERT_FEED:
1596                                 rb_podcast_manager_insert_feed (pd, event->channel);
1597                                 break;
1598                         case EVENT_ERROR_FEED:
1599                         {
1600                                 gchar *error_msg;
1601                                 error_msg = g_strdup_printf (_("There was a problem adding this podcast. Please verify the URL: %s"),
1602                                                              (gchar*) event->channel->url);
1603                                 g_signal_emit (G_OBJECT (pd),
1604                                                rb_podcast_manager_signals[PROCESS_ERROR],
1605                                                0, error_msg);
1606                                 g_free (error_msg);
1607                                 break;
1608                         }
1609                 }
1610
1611                 rb_podcast_parse_channel_free (event->channel);
1612                 g_free (event);
1613         }
1614
1615         g_async_queue_unref (pd->priv->event_queue);
1616
1617         return FALSE;
1618 }
1619
1620 static void
1621 rb_podcast_manager_abort_subscribe (RBPodcastManager *pd)
1622 {
1623         RBPodcastManagerEvent *event;
1624
1625         /* remove all event processing functions */
1626         while (g_idle_remove_by_data (pd))
1627                 ;
1628
1629         /* purge the event queue */
1630         while ((event = g_async_queue_try_pop (pd->priv->event_queue))) {
1631                 rb_podcast_parse_channel_free (event->channel);
1632                 g_free (event);
1633         }
1634 }
1635
1636 void
1637 rb_podcast_manager_shutdown (RBPodcastManager *pd)
1638 {
1639         rb_podcast_manager_cancel_all (pd);
1640         rb_podcast_manager_abort_subscribe (pd);
1641 }
1642
1643 gchar *
1644 rb_podcast_manager_get_podcast_dir (RBPodcastManager *pd)
1645 {
1646         gchar *conf_dir_name = eel_gconf_get_string (CONF_STATE_PODCAST_DOWNLOAD_DIR);
1647
1648         if (conf_dir_name == NULL || (strcmp (conf_dir_name, "") == 0)) {
1649                 conf_dir_name = g_build_filename (g_get_home_dir (),
1650                                                   "Podcasts",
1651                                                   NULL);
1652                 eel_gconf_set_string (CONF_STATE_PODCAST_DOWNLOAD_DIR, conf_dir_name);
1653         }
1654
1655         return conf_dir_name;
1656 }
1657