src/collect-io.c

   1 /*
   2  * Geeqie
   3  * (C) 2004 John Ellis
   4  *
   5  * Author: John Ellis
   6  *
   7  * This software is released under the GNU General Public License (GNU GPL).
   8  * Please read the included file COPYING for more information.
   9  * This software comes with no warranty of any kind, use at your own risk!
  10  */
  11
  12
  13 #include "main.h"
  14 #include "collect-io.h"
  15
  16 #include "collect.h"
  17 #include "filelist.h"
  18 #include "layout_util.h"
  19 #include "rcfile.h"
  20 #include "secure_save.h"
  21 #include "thumb.h"
  22 #include "ui_fileops.h"
  23
  24
  25 #define GQ_COLLECTION_MARKER "#" GQ_APPNAME
  26
  27 #define GQ_COLLECTION_FAIL_MIN     300
  28 #define GQ_COLLECTION_FAIL_PERCENT 98
  29 #define GQ_COLLECTION_READ_BUFSIZE 4096
  30
  31 typedef struct _CollectManagerEntry CollectManagerEntry;
  32
  33 static void collection_load_thumb_step(CollectionData *cd);
  34 static gint collection_save_private(CollectionData *cd, const gchar *path);
  35
  36 static CollectManagerEntry *collect_manager_get_entry(const gchar *path);
  37 static void collect_manager_entry_reset(CollectManagerEntry *entry);
  38 static gint collect_manager_process_action(CollectManagerEntry *entry, gchar **path_ptr);
  39
  40
  41 static gint scan_geometry(gchar *buffer, gint *x, gint *y, gint *w, gint *h)
  42 {
  43         gint nx, ny, nw, nh;
  44
  45         if(sscanf(buffer, "%d %d %d %d", &nx, &ny, &nw, &nh) != 4) return FALSE;
  46
  47         *x = nx;
  48         *y = ny;
  49         *w = nw;
  50         *h = nh;
  51
  52         return TRUE;
  53 }
  54
  55 static gint collection_load_private(CollectionData *cd, const gchar *path, CollectionLoadFlags flags)
  56 {
  57         gchar s_buf[GQ_COLLECTION_READ_BUFSIZE];
  58         FILE *f;
  59         gchar *pathl;
  60         gint limit_failures = TRUE;
  61         gint success = TRUE;
  62         guint total = 0;
  63         guint fail = 0;
  64         gboolean changed = FALSE;
  65         CollectManagerEntry *entry = NULL;
  66         guint flush = flags & COLLECTION_LOAD_FLUSH;
  67         guint append = flags & COLLECTION_LOAD_APPEND;
  68         guint only_geometry = flags & COLLECTION_LOAD_GEOMETRY;
  69
  70         if (!only_geometry)
  71                 {
  72                 collection_load_stop(cd);
  73
  74                 if (flush)
  75                         collect_manager_flush();
  76                 else
  77                         entry = collect_manager_get_entry(path);
  78
  79                 if (!append)
  80                         {
  81                         collection_list_free(cd->list);
  82                         cd->list = NULL;
  83                         }
  84                 }
  85
  86         if (!path && !cd->path) return FALSE;
  87
  88         if (!path) path = cd->path;
  89
  90         if (debug) printf("collection load: append=%d flush=%d only_geometry=%d path=%s\n",
  91                           append, flush, only_geometry, path);
  92
  93         /* load it */
  94         pathl = path_from_utf8(path);
  95         f = fopen(pathl, "r");
  96         g_free(pathl);
  97         if (!f)
  98                 {
  99                 printf("Failed to open collection file: \"%s\"\n", path);
 100                 return FALSE;
 101                 }
 102
 103         while (fgets(s_buf, sizeof(s_buf), f))
 104                 {
 105                 gchar *buf;
 106                 if (s_buf[0]=='#')
 107                         {
 108                         if (strncasecmp(s_buf, GQ_COLLECTION_MARKER, strlen(GQ_COLLECTION_MARKER)) == 0)
 109                                 {
 110                                 /* Looks like an official collection, allow unchecked input.
 111                                  * All this does is allow adding files that may not exist,
 112                                  * which is needed for the collection manager to work.
 113                                  * Also unofficial files abort after too many invalid entries.
 114                                  */
 115                                 limit_failures = FALSE;
 116                                 }
 117                         else if (strncmp(s_buf, "#geometry:", 10 ) == 0 &&
 118                             scan_geometry(s_buf + 10, &cd->window_x, &cd->window_y, &cd->window_w, &cd->window_h) )
 119                                 {
 120                                 cd->window_read = TRUE;
 121                                 if (only_geometry)
 122                                         {
 123                                         fclose(f);
 124                                         return TRUE;
 125                                         }
 126                                 }
 127                         else if (strncasecmp(s_buf, "GQview collection", strlen("GQview collection")) == 0)
 128                                 {
 129                                 /* As 2008/04/15 there is no difference between our collection file format
 130                                  * and GQview 2.1.5 collection file format so ignore failures as well. */
 131                                 limit_failures = FALSE;
 132                                 }
 133                         continue;
 134                         }
 135                 if (s_buf[0]=='\n') continue;
 136
 137                 buf = quoted_value(s_buf, NULL);
 138                 if (buf)
 139                         {
 140                         gint valid;
 141
 142                         if (!flush)
 143                                 changed |= collect_manager_process_action(entry, &buf);
 144
 145                         valid = (buf[0] == '/' && collection_add_check(cd, file_data_new_simple(buf), FALSE, TRUE));
 146                         g_free(buf);
 147
 148                         total++;
 149                         if (!valid && limit_failures)
 150                                 {
 151                                 fail++;
 152                                 if (fail > GQ_COLLECTION_FAIL_MIN &&
 153                                     fail * 100 / total > GQ_COLLECTION_FAIL_PERCENT)
 154                                         {
 155                                         printf("Too many invalid filenames in unoffical collection file, closing: %s\n", path);
 156                                         success = FALSE;
 157                                         break;
 158                                         }
 159                                 }
 160                         }
 161                 }
 162
 163         fclose(f);
 164         if (only_geometry) return FALSE;
 165
 166         if (!flush)
 167                 {
 168                 gchar *buf = NULL;
 169                 while (collect_manager_process_action(entry, &buf))
 170                         {
 171                         collection_add_check(cd, file_data_new_simple(buf), FALSE, TRUE);
 172                         changed = TRUE;
 173                         g_free(buf);
 174                         }
 175                 }
 176
 177         cd->list = collection_list_sort(cd->list, cd->sort_method);
 178
 179         if (!flush && changed && success)
 180                 collection_save_private(cd, path);
 181
 182         if (!flush)
 183                 collect_manager_entry_reset(entry);
 184
 185         if (!append) cd->changed = FALSE;
 186
 187         return success;
 188 }
 189
 190 gint collection_load(CollectionData *cd, const gchar *path, CollectionLoadFlags flags)
 191 {
 192         if (collection_load_private(cd, path, flags | COLLECTION_LOAD_FLUSH))
 193                 {
 194                 layout_recent_add_path(cd->path);
 195                 return TRUE;
 196                 }
 197
 198         return FALSE;
 199 }
 200
 201 static void collection_load_thumb_do(CollectionData *cd)
 202 {
 203         GdkPixbuf *pixbuf;
 204
 205         if (!cd->thumb_loader || !g_list_find(cd->list, cd->thumb_info)) return;
 206
 207         pixbuf = thumb_loader_get_pixbuf(cd->thumb_loader, TRUE);
 208         collection_info_set_thumb(cd->thumb_info, pixbuf);
 209         g_object_unref(pixbuf);
 210
 211         if (cd->info_updated_func) cd->info_updated_func(cd, cd->thumb_info, cd->info_updated_data);
 212 }
 213
 214 static void collection_load_thumb_error_cb(ThumbLoader *tl, gpointer data)
 215 {
 216         CollectionData *cd = data;
 217
 218         collection_load_thumb_do(cd);
 219         collection_load_thumb_step(cd);
 220 }
 221
 222 static void collection_load_thumb_done_cb(ThumbLoader *tl, gpointer data)
 223 {
 224         CollectionData *cd = data;
 225
 226         collection_load_thumb_do(cd);
 227         collection_load_thumb_step(cd);
 228 }
 229
 230 static void collection_load_thumb_step(CollectionData *cd)
 231 {
 232         GList *work;
 233         CollectInfo *ci;
 234
 235         if (!cd->list)
 236                 {
 237                 collection_load_stop(cd);
 238                 return;
 239                 }
 240
 241         work = cd->list;
 242         ci = work->data;
 243         work = work->next;
 244         /* find first unloaded thumb */
 245         while (work && ci->pixbuf)
 246                 {
 247                 ci = work->data;
 248                 work = work->next;
 249                 }
 250
 251         if (!ci || ci->pixbuf)
 252                 {
 253                 /* done */
 254                 collection_load_stop(cd);
 255
 256                 /* send a NULL CollectInfo to notify end */
 257                 if (cd->info_updated_func) cd->info_updated_func(cd, NULL, cd->info_updated_data);
 258
 259                 return;
 260                 }
 261
 262         /* setup loader and call it */
 263         cd->thumb_info = ci;
 264         thumb_loader_free(cd->thumb_loader);
 265         cd->thumb_loader = thumb_loader_new(options->thumbnails.max_width, options->thumbnails.max_height);
 266         thumb_loader_set_callbacks(cd->thumb_loader,
 267                                    collection_load_thumb_done_cb,
 268                                    collection_load_thumb_error_cb,
 269                                    NULL,
 270                                    cd);
 271
 272         /* start it */
 273         if (!thumb_loader_start(cd->thumb_loader, ci->fd->path))
 274                 {
 275                 /* error, handle it, do next */
 276                 if (debug) printf("error loading thumb for %s\n", ci->fd->path);
 277                 collection_load_thumb_do(cd);
 278                 collection_load_thumb_step(cd);
 279                 }
 280 }
 281
 282 void collection_load_thumb_idle(CollectionData *cd)
 283 {
 284         if (!cd->thumb_loader) collection_load_thumb_step(cd);
 285 }
 286
 287 gint collection_load_begin(CollectionData *cd, const gchar *path, CollectionLoadFlags flags)
 288 {
 289         if (!collection_load(cd, path, flags)) return FALSE;
 290
 291         collection_load_thumb_idle(cd);
 292
 293         return TRUE;
 294 }
 295
 296 void collection_load_stop(CollectionData *cd)
 297 {
 298         if (!cd->thumb_loader) return;
 299
 300         thumb_loader_free(cd->thumb_loader);
 301         cd->thumb_loader = NULL;
 302 }
 303
 304 static gint collection_save_private(CollectionData *cd, const gchar *path)
 305 {
 306         SecureSaveInfo *ssi;
 307         GList *work;
 308         gchar *pathl;
 309
 310         if (!path && !cd->path) return FALSE;
 311
 312         if (!path)
 313                 {
 314                 path = cd->path;
 315                 }
 316
 317
 318         pathl = path_from_utf8(path);
 319         ssi = secure_open(pathl);
 320         g_free(pathl);
 321         if (!ssi)
 322                 {
 323                 gchar *buf;
 324
 325                 buf = g_strdup_printf(_("failed to open collection (write) \"%s\"\n"), path);
 326                 print_term(buf);
 327                 g_free(buf);
 328                 return FALSE;
 329                 }
 330
 331         secure_fprintf(ssi, "%s collection\n", GQ_COLLECTION_MARKER);
 332         secure_fprintf(ssi, "#created with %s version %s\n", GQ_APPNAME, VERSION);
 333
 334         collection_update_geometry(cd);
 335         if (cd->window_read)
 336                 {
 337                 secure_fprintf(ssi, "#geometry: %d %d %d %d\n", cd->window_x, cd->window_y, cd->window_w, cd->window_h);
 338                 }
 339
 340         work = cd->list;
 341         while (work && secsave_errno == SS_ERR_NONE)
 342                 {
 343                 CollectInfo *ci = work->data;
 344                 secure_fprintf(ssi, "\"%s\"\n", ci->fd->path);
 345                 work = work->next;
 346                 }
 347
 348         secure_fprintf(ssi, "#end\n");
 349
 350         if (secure_close(ssi))
 351                 {
 352                 gchar *buf;
 353
 354                 buf = g_strdup_printf(_("error saving collection file: %s\nerror: %s\n"), path,
 355                                       secsave_strerror(secsave_errno));
 356                 print_term(buf);
 357                 g_free(buf);
 358                 return FALSE;
 359                 }
 360
 361         if (!cd->path || strcmp(path, cd->path) != 0)
 362                 {
 363                 gchar *buf = cd->path;
 364                 cd->path = g_strdup(path);
 365                 path = cd->path;
 366                 g_free(buf);
 367
 368                 g_free(cd->name);
 369                 cd->name = g_strdup(filename_from_path(cd->path));
 370
 371                 collection_path_changed(cd);
 372                 }
 373
 374         cd->changed = FALSE;
 375
 376         return TRUE;
 377 }
 378
 379 gint collection_save(CollectionData *cd, const gchar *path)
 380 {
 381         if (collection_save_private(cd, path))
 382                 {
 383                 layout_recent_add_path(cd->path);
 384                 return TRUE;
 385                 }
 386
 387         return FALSE;
 388 }
 389
 390 gint collection_load_only_geometry(CollectionData *cd, const gchar *path)
 391 {
 392         return collection_load(cd, path, COLLECTION_LOAD_GEOMETRY);
 393 }
 394
 395
 396 /*
 397  *-------------------------------------------------------------------
 398  * collection manager
 399  *-------------------------------------------------------------------
 400  */
 401
 402 #define COLLECT_MANAGER_ACTIONS_PER_IDLE 1000
 403 #define COLLECT_MANAGER_FLUSH_DELAY      10000
 404
 405 struct _CollectManagerEntry
 406 {
 407         gchar *path;
 408         GList *add_list;
 409         GHashTable *oldpath_hash;
 410         GHashTable *newpath_hash;
 411         gboolean empty;
 412 };
 413
 414 typedef enum {
 415         COLLECTION_MANAGER_UPDATE,
 416         COLLECTION_MANAGER_ADD,
 417         COLLECTION_MANAGER_REMOVE
 418 } CollectManagerType;
 419
 420 typedef struct _CollectManagerAction CollectManagerAction;
 421 struct _CollectManagerAction
 422 {
 423         gchar *oldpath;
 424         gchar *newpath;
 425
 426         CollectManagerType type;
 427
 428         gint ref;
 429 };
 430
 431
 432 static GList *collection_manager_entry_list = NULL;
 433 static GList *collection_manager_action_list = NULL;
 434 static GList *collection_manager_action_tail = NULL;
 435 static gint collection_manager_timer_id = -1;
 436
 437
 438 static CollectManagerAction *collect_manager_action_new(const gchar *oldpath, const gchar *newpath,
 439                                                         CollectManagerType type)
 440 {
 441         CollectManagerAction *action;
 442
 443         action = g_new0(CollectManagerAction, 1);
 444         action->ref = 1;
 445
 446         action->oldpath = g_strdup(oldpath);
 447         action->newpath = g_strdup(newpath);
 448
 449         action->type = type;
 450
 451         return action;
 452 }
 453
 454 static void collect_manager_action_ref(CollectManagerAction *action)
 455 {
 456         action->ref++;
 457 }
 458
 459 static void collect_manager_action_unref(CollectManagerAction *action)
 460 {
 461         action->ref--;
 462
 463         if (action->ref > 0) return;
 464
 465         g_free(action->oldpath);
 466         g_free(action->newpath);
 467         g_free(action);
 468 }
 469
 470 static void collect_manager_entry_free_data(CollectManagerEntry *entry)
 471 {
 472         GList *work;
 473
 474         work = entry->add_list;
 475         while (work)
 476                 {
 477                 CollectManagerAction *action;
 478
 479                 action = work->data;
 480                 work = work->next;
 481
 482                 collect_manager_action_unref(action);
 483                 }
 484         g_list_free(entry->add_list);
 485         g_hash_table_destroy(entry->oldpath_hash);
 486         g_hash_table_destroy(entry->newpath_hash);
 487 }
 488
 489 static void collect_manager_entry_init_data(CollectManagerEntry *entry)
 490 {
 491         entry->add_list = NULL;
 492         entry->oldpath_hash = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, (GDestroyNotify) collect_manager_action_unref);
 493         entry->newpath_hash = g_hash_table_new(g_str_hash, g_str_equal);
 494         entry->empty = TRUE;
 495
 496 }
 497
 498 static CollectManagerEntry *collect_manager_entry_new(const gchar *path)
 499 {
 500         CollectManagerEntry *entry;
 501
 502         entry = g_new0(CollectManagerEntry, 1);
 503         entry->path = g_strdup(path);
 504         collect_manager_entry_init_data(entry);
 505
 506         collection_manager_entry_list = g_list_append(collection_manager_entry_list, entry);
 507
 508         return entry;
 509 }
 510
 511
 512 static void collect_manager_entry_free(CollectManagerEntry *entry)
 513 {
 514         collection_manager_entry_list = g_list_remove(collection_manager_entry_list, entry);
 515
 516         collect_manager_entry_free_data(entry);
 517
 518         g_free(entry->path);
 519         g_free(entry);
 520 }
 521
 522 static void collect_manager_entry_reset(CollectManagerEntry *entry)
 523 {
 524         collect_manager_entry_free_data(entry);
 525         collect_manager_entry_init_data(entry);
 526 }
 527
 528 static CollectManagerEntry *collect_manager_get_entry(const gchar *path)
 529 {
 530         GList *work;
 531
 532         work = collection_manager_entry_list;
 533         while (work)
 534                 {
 535                 CollectManagerEntry *entry;
 536
 537                 entry = work->data;
 538                 work = work->next;
 539                 if (strcmp(entry->path, path) == 0)
 540                         {
 541                         return entry;
 542                         }
 543                 }
 544         return NULL;
 545
 546 }
 547
 548 static void collect_manager_entry_add_action(CollectManagerEntry *entry, CollectManagerAction *action)
 549 {
 550
 551         CollectManagerAction *orig_action;
 552
 553         entry->empty = FALSE;
 554
 555         if (action->oldpath == NULL)
 556                 {
 557                 /* add file */
 558                 if (action->newpath == NULL)
 559                         {
 560                         return;
 561                         }
 562
 563                 orig_action = g_hash_table_lookup(entry->newpath_hash, action->newpath);
 564                 if (orig_action)
 565                         {
 566                         /* target already exists */
 567                         printf("collection manager failed to add another action for target %s in collection %s\n",
 568                                 action->newpath, entry->path);
 569                         return;
 570                         }
 571                 entry->add_list = g_list_append(entry->add_list, action);
 572                 g_hash_table_insert(entry->newpath_hash, action->newpath, action);
 573                 collect_manager_action_ref(action);
 574                 return;
 575                 }
 576
 577         orig_action = g_hash_table_lookup(entry->newpath_hash, action->oldpath);
 578         if (orig_action)
 579                 {
 580                 /* new action with the same file */
 581                 CollectManagerAction *new_action = collect_manager_action_new(orig_action->oldpath, action->newpath, action->type);
 582
 583                 if (new_action->oldpath)
 584                         {
 585                         g_hash_table_steal(entry->oldpath_hash, orig_action->oldpath);
 586                         g_hash_table_insert(entry->oldpath_hash, new_action->oldpath, new_action);
 587                         }
 588                 else
 589                         {
 590                         GList *work = g_list_find(entry->add_list, orig_action);
 591                         work->data = new_action;
 592                         }
 593
 594                 g_hash_table_steal(entry->newpath_hash, orig_action->newpath);
 595                 if (new_action->newpath)
 596                         {
 597                         g_hash_table_insert(entry->newpath_hash, new_action->newpath, new_action);
 598                         }
 599                 collect_manager_action_unref(orig_action);
 600                 return;
 601                 }
 602
 603
 604         orig_action = g_hash_table_lookup(entry->oldpath_hash, action->oldpath);
 605         if (orig_action)
 606                 {
 607                 /* another action for the same source, ignore */
 608                 printf("collection manager failed to add another action for source %s in collection %s\n",
 609                         action->oldpath, entry->path);
 610                 return;
 611                 }
 612
 613         g_hash_table_insert(entry->oldpath_hash, action->oldpath, action);
 614         if (action->newpath)
 615                 {
 616                 g_hash_table_insert(entry->newpath_hash, action->newpath, action);
 617                 }
 618         collect_manager_action_ref(action);
 619 }
 620
 621 static gint collect_manager_process_action(CollectManagerEntry *entry, gchar **path_ptr)
 622 {
 623         gchar *path = *path_ptr;
 624         CollectManagerAction *action;
 625
 626         if (path == NULL)
 627                 {
 628                 /* get new files */
 629                 if (entry->add_list)
 630                         {
 631                         action = entry->add_list->data;
 632                         g_assert(action->oldpath == NULL);
 633                         entry->add_list = g_list_remove(entry->add_list, action);
 634                         path = g_strdup(action->newpath);
 635                         g_hash_table_remove(entry->newpath_hash, path);
 636                         collect_manager_action_unref(action);
 637                         }
 638                 *path_ptr = path;
 639                 return (path != NULL);
 640                 }
 641
 642         action = g_hash_table_lookup(entry->oldpath_hash, path);
 643
 644         if (action)
 645                 {
 646                 g_free(path);
 647                 path = g_strdup(action->newpath);
 648                 *path_ptr = path;
 649                 return TRUE;
 650                 }
 651
 652         return FALSE; /* no change */
 653 }
 654
 655 static void collect_manager_refresh(void)
 656 {
 657         GList *list = NULL;
 658         GList *work;
 659         gchar *base;
 660
 661         base = g_strconcat(homedir(), "/", GQ_RC_DIR_COLLECTIONS, NULL);
 662         path_list(base, &list, NULL);
 663         g_free(base);
 664
 665         work = collection_manager_entry_list;
 666         while (work && list)
 667                 {
 668                 CollectManagerEntry *entry;
 669                 GList *list_step;
 670
 671                 entry = work->data;
 672                 work = work->next;
 673
 674                 list_step = list;
 675                 while (list_step && entry)
 676                         {
 677                         gchar *path;
 678
 679                         path = list_step->data;
 680                         list_step = list_step->next;
 681
 682                         if (strcmp(path, entry->path) == 0)
 683                                 {
 684                                 list = g_list_remove(list, path);
 685                                 g_free(path);
 686
 687                                 entry = NULL;
 688                                 }
 689                         else
 690                                 {
 691                                 collect_manager_entry_free(entry);
 692                                 }
 693                         }
 694                 }
 695
 696         work = list;
 697         while (work)
 698                 {
 699                 gchar *path;
 700
 701                 path = work->data;
 702                 work = work->next;
 703
 704                 collect_manager_entry_new(path);
 705                 g_free(path);
 706                 }
 707
 708         g_list_free(list);
 709 }
 710
 711 static void collect_manager_process_actions(gint max)
 712 {
 713         if (debug && collection_manager_action_list)
 714                 {
 715                 printf("collection manager processing actions\n");
 716                 }
 717
 718         while (collection_manager_action_list != NULL && max > 0)
 719                 {
 720                 CollectManagerAction *action;
 721                 GList *work;
 722
 723                 action = collection_manager_action_list->data;
 724                 work = collection_manager_entry_list;
 725                 while (work)
 726                         {
 727                         CollectManagerEntry *entry;
 728
 729                         entry = work->data;
 730                         work = work->next;
 731
 732                         if (action->type == COLLECTION_MANAGER_UPDATE)
 733                                 {
 734                                 collect_manager_entry_add_action(entry, action);
 735                                 }
 736                         else if (action->oldpath && action->newpath &&
 737                                  strcmp(action->newpath, entry->path) == 0)
 738                                 {
 739                                 /* convert action to standard add format */
 740                                 g_free(action->newpath);
 741                                 if (action->type == COLLECTION_MANAGER_ADD)
 742                                         {
 743                                         action->newpath = action->oldpath;
 744                                         action->oldpath = NULL;
 745                                         }
 746                                 else if (action->type == COLLECTION_MANAGER_REMOVE)
 747                                         {
 748                                         action->newpath = NULL;
 749                                         }
 750                                 collect_manager_entry_add_action(entry, action);
 751                                 }
 752
 753                         max--;
 754                         }
 755
 756                 if (action->type != COLLECTION_MANAGER_UPDATE &&
 757                     action->oldpath && action->newpath)
 758                         {
 759                         printf("collection manager failed to %s %s for collection %s\n",
 760                                 (action->type == COLLECTION_MANAGER_ADD) ? "add" : "remove",
 761                                 action->oldpath, action->newpath);
 762                         }
 763
 764                 if (collection_manager_action_tail == collection_manager_action_list)
 765                         {
 766                         collection_manager_action_tail = NULL;
 767                         }
 768                 collection_manager_action_list = g_list_remove(collection_manager_action_list, action);
 769                 collect_manager_action_unref(action);
 770                 }
 771 }
 772
 773 static gint collect_manager_process_entry(CollectManagerEntry *entry)
 774 {
 775         CollectionData *cd;
 776         gint success;
 777
 778         if (entry->empty) return FALSE;
 779
 780         cd = collection_new(entry->path);
 781         success = collection_load_private(cd, entry->path, COLLECTION_LOAD_NONE);
 782
 783         collection_unref(cd);
 784
 785         return TRUE;
 786 }
 787
 788 static gint collect_manager_process_entry_list(void)
 789 {
 790         GList *work;
 791
 792         work = collection_manager_entry_list;
 793         while (work)
 794                 {
 795                 CollectManagerEntry *entry;
 796
 797                 entry = work->data;
 798                 work = work->next;
 799                 if (collect_manager_process_entry(entry)) return TRUE;
 800                 }
 801
 802         return FALSE;
 803 }
 804
 805
 806
 807 static gint collect_manager_process_cb(gpointer data)
 808 {
 809         if (collection_manager_action_list) collect_manager_refresh();
 810         collect_manager_process_actions(COLLECT_MANAGER_ACTIONS_PER_IDLE);
 811         if (collection_manager_action_list) return TRUE;
 812
 813         if (collect_manager_process_entry_list()) return TRUE;
 814
 815         if (debug) printf("collection manager is up to date\n");
 816         return FALSE;
 817 }
 818
 819 static gint collect_manager_timer_cb(gpointer data)
 820 {
 821         if (debug) printf("collection manager timer expired\n");
 822
 823         g_idle_add_full(G_PRIORITY_LOW, collect_manager_process_cb, NULL, NULL);
 824
 825         collection_manager_timer_id = -1;
 826         return FALSE;
 827 }
 828
 829 static void collect_manager_timer_push(gint stop)
 830 {
 831         if (collection_manager_timer_id != -1)
 832                 {
 833                 if (!stop) return;
 834
 835                 g_source_remove(collection_manager_timer_id);
 836                 collection_manager_timer_id = -1;
 837                 }
 838
 839         if (!stop)
 840                 {
 841                 collection_manager_timer_id = g_timeout_add(COLLECT_MANAGER_FLUSH_DELAY,
 842                                                             collect_manager_timer_cb, NULL);
 843                 if (debug) printf("collection manager timer started\n");
 844                 }
 845 }
 846
 847 static void collect_manager_add_action(CollectManagerAction *action)
 848 {
 849         if (!action) return;
 850
 851         /* we keep track of the list's tail to keep this a n(1) operation */
 852
 853         if (collection_manager_action_tail)
 854                 {
 855                 collection_manager_action_tail = g_list_append(collection_manager_action_tail, action);
 856                 collection_manager_action_tail = collection_manager_action_tail->next;
 857                 }
 858         else
 859                 {
 860                 collection_manager_action_list = g_list_append(collection_manager_action_list, action);
 861                 collection_manager_action_tail = collection_manager_action_list;
 862                 }
 863
 864         collect_manager_timer_push(FALSE);
 865 }
 866
 867 void collect_manager_moved(FileData *fd)
 868 {
 869         CollectManagerAction *action;
 870         const gchar *oldpath = fd->change->source;
 871         const gchar *newpath = fd->change->dest;
 872
 873         action = collect_manager_action_new(oldpath, newpath, COLLECTION_MANAGER_UPDATE);
 874         collect_manager_add_action(action);
 875 }
 876
 877 void collect_manager_add(FileData *fd, const gchar *collection)
 878 {
 879         CollectManagerAction *action;
 880         CollectWindow *cw;
 881
 882         if (!fd || !collection) return;
 883
 884         cw = collection_window_find_by_path(collection);
 885         if (cw)
 886                 {
 887                 if (collection_list_find(cw->cd->list, fd->path) == NULL)
 888                         {
 889                         collection_add(cw->cd, fd, FALSE);
 890                         }
 891                 return;
 892                 }
 893
 894         action = collect_manager_action_new(fd->path, collection, COLLECTION_MANAGER_ADD);
 895         collect_manager_add_action(action);
 896 }
 897
 898 void collect_manager_remove(FileData *fd, const gchar *collection)
 899 {
 900         CollectManagerAction *action;
 901         CollectWindow *cw;
 902
 903         if (!fd || !collection) return;
 904
 905         cw = collection_window_find_by_path(collection);
 906         if (cw)
 907                 {
 908                 while (collection_remove(cw->cd, fd));
 909                 return;
 910                 }
 911
 912         action = collect_manager_action_new(fd->path, collection, COLLECTION_MANAGER_REMOVE);
 913         collect_manager_add_action(action);
 914 }
 915
 916 void collect_manager_flush(void)
 917 {
 918         collect_manager_timer_push(TRUE);
 919
 920         if (debug) printf("collection manager flushing\n");
 921         while (collect_manager_process_cb(NULL));
 922 }
 923