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                         if (debug && !valid) printf("collection invalid file: %s\n", buf);
 147                         g_free(buf);
 148
 149                         total++;
 150                         if (!valid && limit_failures)
 151                                 {
 152                                 fail++;
 153                                 if (fail > GQ_COLLECTION_FAIL_MIN &&
 154                                     fail * 100 / total > GQ_COLLECTION_FAIL_PERCENT)
 155                                         {
 156                                         printf("%d invalid filenames in unoffical collection file, closing: %s\n", fail, path);
 157                                         success = FALSE;
 158                                         break;
 159                                         }
 160                                 }
 161                         }
 162                 }
 163
 164         if (debug) printf("collection files: total = %d fail = %d\n", total, fail);
 165
 166         fclose(f);
 167         if (only_geometry) return FALSE;
 168
 169         if (!flush)
 170                 {
 171                 gchar *buf = NULL;
 172                 while (collect_manager_process_action(entry, &buf))
 173                         {
 174                         collection_add_check(cd, file_data_new_simple(buf), FALSE, TRUE);
 175                         changed = TRUE;
 176                         g_free(buf);
 177                         }
 178                 }
 179
 180         cd->list = collection_list_sort(cd->list, cd->sort_method);
 181
 182         if (!flush && changed && success)
 183                 collection_save_private(cd, path);
 184
 185         if (!flush)
 186                 collect_manager_entry_reset(entry);
 187
 188         if (!append) cd->changed = FALSE;
 189
 190         return success;
 191 }
 192
 193 gint collection_load(CollectionData *cd, const gchar *path, CollectionLoadFlags flags)
 194 {
 195         if (collection_load_private(cd, path, flags | COLLECTION_LOAD_FLUSH))
 196                 {
 197                 layout_recent_add_path(cd->path);
 198                 return TRUE;
 199                 }
 200
 201         return FALSE;
 202 }
 203
 204 static void collection_load_thumb_do(CollectionData *cd)
 205 {
 206         GdkPixbuf *pixbuf;
 207
 208         if (!cd->thumb_loader || !g_list_find(cd->list, cd->thumb_info)) return;
 209
 210         pixbuf = thumb_loader_get_pixbuf(cd->thumb_loader, TRUE);
 211         collection_info_set_thumb(cd->thumb_info, pixbuf);
 212         g_object_unref(pixbuf);
 213
 214         if (cd->info_updated_func) cd->info_updated_func(cd, cd->thumb_info, cd->info_updated_data);
 215 }
 216
 217 static void collection_load_thumb_error_cb(ThumbLoader *tl, gpointer data)
 218 {
 219         CollectionData *cd = data;
 220
 221         collection_load_thumb_do(cd);
 222         collection_load_thumb_step(cd);
 223 }
 224
 225 static void collection_load_thumb_done_cb(ThumbLoader *tl, gpointer data)
 226 {
 227         CollectionData *cd = data;
 228
 229         collection_load_thumb_do(cd);
 230         collection_load_thumb_step(cd);
 231 }
 232
 233 static void collection_load_thumb_step(CollectionData *cd)
 234 {
 235         GList *work;
 236         CollectInfo *ci;
 237
 238         if (!cd->list)
 239                 {
 240                 collection_load_stop(cd);
 241                 return;
 242                 }
 243
 244         work = cd->list;
 245         ci = work->data;
 246         work = work->next;
 247         /* find first unloaded thumb */
 248         while (work && ci->pixbuf)
 249                 {
 250                 ci = work->data;
 251                 work = work->next;
 252                 }
 253
 254         if (!ci || ci->pixbuf)
 255                 {
 256                 /* done */
 257                 collection_load_stop(cd);
 258
 259                 /* send a NULL CollectInfo to notify end */
 260                 if (cd->info_updated_func) cd->info_updated_func(cd, NULL, cd->info_updated_data);
 261
 262                 return;
 263                 }
 264
 265         /* setup loader and call it */
 266         cd->thumb_info = ci;
 267         thumb_loader_free(cd->thumb_loader);
 268         cd->thumb_loader = thumb_loader_new(options->thumbnails.max_width, options->thumbnails.max_height);
 269         thumb_loader_set_callbacks(cd->thumb_loader,
 270                                    collection_load_thumb_done_cb,
 271                                    collection_load_thumb_error_cb,
 272                                    NULL,
 273                                    cd);
 274
 275         /* start it */
 276         if (!thumb_loader_start(cd->thumb_loader, ci->fd->path))
 277                 {
 278                 /* error, handle it, do next */
 279                 if (debug) printf("error loading thumb for %s\n", ci->fd->path);
 280                 collection_load_thumb_do(cd);
 281                 collection_load_thumb_step(cd);
 282                 }
 283 }
 284
 285 void collection_load_thumb_idle(CollectionData *cd)
 286 {
 287         if (!cd->thumb_loader) collection_load_thumb_step(cd);
 288 }
 289
 290 gint collection_load_begin(CollectionData *cd, const gchar *path, CollectionLoadFlags flags)
 291 {
 292         if (!collection_load(cd, path, flags)) return FALSE;
 293
 294         collection_load_thumb_idle(cd);
 295
 296         return TRUE;
 297 }
 298
 299 void collection_load_stop(CollectionData *cd)
 300 {
 301         if (!cd->thumb_loader) return;
 302
 303         thumb_loader_free(cd->thumb_loader);
 304         cd->thumb_loader = NULL;
 305 }
 306
 307 static gint collection_save_private(CollectionData *cd, const gchar *path)
 308 {
 309         SecureSaveInfo *ssi;
 310         GList *work;
 311         gchar *pathl;
 312
 313         if (!path && !cd->path) return FALSE;
 314
 315         if (!path)
 316                 {
 317                 path = cd->path;
 318                 }
 319
 320
 321         pathl = path_from_utf8(path);
 322         ssi = secure_open(pathl);
 323         g_free(pathl);
 324         if (!ssi)
 325                 {
 326                 gchar *buf;
 327
 328                 buf = g_strdup_printf(_("failed to open collection (write) \"%s\"\n"), path);
 329                 print_term(buf);
 330                 g_free(buf);
 331                 return FALSE;
 332                 }
 333
 334         secure_fprintf(ssi, "%s collection\n", GQ_COLLECTION_MARKER);
 335         secure_fprintf(ssi, "#created with %s version %s\n", GQ_APPNAME, VERSION);
 336
 337         collection_update_geometry(cd);
 338         if (cd->window_read)
 339                 {
 340                 secure_fprintf(ssi, "#geometry: %d %d %d %d\n", cd->window_x, cd->window_y, cd->window_w, cd->window_h);
 341                 }
 342
 343         work = cd->list;
 344         while (work && secsave_errno == SS_ERR_NONE)
 345                 {
 346                 CollectInfo *ci = work->data;
 347                 secure_fprintf(ssi, "\"%s\"\n", ci->fd->path);
 348                 work = work->next;
 349                 }
 350
 351         secure_fprintf(ssi, "#end\n");
 352
 353         if (secure_close(ssi))
 354                 {
 355                 gchar *buf;
 356
 357                 buf = g_strdup_printf(_("error saving collection file: %s\nerror: %s\n"), path,
 358                                       secsave_strerror(secsave_errno));
 359                 print_term(buf);
 360                 g_free(buf);
 361                 return FALSE;
 362                 }
 363
 364         if (!cd->path || strcmp(path, cd->path) != 0)
 365                 {
 366                 gchar *buf = cd->path;
 367                 cd->path = g_strdup(path);
 368                 path = cd->path;
 369                 g_free(buf);
 370
 371                 g_free(cd->name);
 372                 cd->name = g_strdup(filename_from_path(cd->path));
 373
 374                 collection_path_changed(cd);
 375                 }
 376
 377         cd->changed = FALSE;
 378
 379         return TRUE;
 380 }
 381
 382 gint collection_save(CollectionData *cd, const gchar *path)
 383 {
 384         if (collection_save_private(cd, path))
 385                 {
 386                 layout_recent_add_path(cd->path);
 387                 return TRUE;
 388                 }
 389
 390         return FALSE;
 391 }
 392
 393 gint collection_load_only_geometry(CollectionData *cd, const gchar *path)
 394 {
 395         return collection_load(cd, path, COLLECTION_LOAD_GEOMETRY);
 396 }
 397
 398
 399 /*
 400  *-------------------------------------------------------------------
 401  * collection manager
 402  *-------------------------------------------------------------------
 403  */
 404
 405 #define COLLECT_MANAGER_ACTIONS_PER_IDLE 1000
 406 #define COLLECT_MANAGER_FLUSH_DELAY      10000
 407
 408 struct _CollectManagerEntry
 409 {
 410         gchar *path;
 411         GList *add_list;
 412         GHashTable *oldpath_hash;
 413         GHashTable *newpath_hash;
 414         gboolean empty;
 415 };
 416
 417 typedef enum {
 418         COLLECTION_MANAGER_UPDATE,
 419         COLLECTION_MANAGER_ADD,
 420         COLLECTION_MANAGER_REMOVE
 421 } CollectManagerType;
 422
 423 typedef struct _CollectManagerAction CollectManagerAction;
 424 struct _CollectManagerAction
 425 {
 426         gchar *oldpath;
 427         gchar *newpath;
 428
 429         CollectManagerType type;
 430
 431         gint ref;
 432 };
 433
 434
 435 static GList *collection_manager_entry_list = NULL;
 436 static GList *collection_manager_action_list = NULL;
 437 static GList *collection_manager_action_tail = NULL;
 438 static gint collection_manager_timer_id = -1;
 439
 440
 441 static CollectManagerAction *collect_manager_action_new(const gchar *oldpath, const gchar *newpath,
 442                                                         CollectManagerType type)
 443 {
 444         CollectManagerAction *action;
 445
 446         action = g_new0(CollectManagerAction, 1);
 447         action->ref = 1;
 448
 449         action->oldpath = g_strdup(oldpath);
 450         action->newpath = g_strdup(newpath);
 451
 452         action->type = type;
 453
 454         return action;
 455 }
 456
 457 static void collect_manager_action_ref(CollectManagerAction *action)
 458 {
 459         action->ref++;
 460 }
 461
 462 static void collect_manager_action_unref(CollectManagerAction *action)
 463 {
 464         action->ref--;
 465
 466         if (action->ref > 0) return;
 467
 468         g_free(action->oldpath);
 469         g_free(action->newpath);
 470         g_free(action);
 471 }
 472
 473 static void collect_manager_entry_free_data(CollectManagerEntry *entry)
 474 {
 475         GList *work;
 476
 477         work = entry->add_list;
 478         while (work)
 479                 {
 480                 CollectManagerAction *action;
 481
 482                 action = work->data;
 483                 work = work->next;
 484
 485                 collect_manager_action_unref(action);
 486                 }
 487         g_list_free(entry->add_list);
 488         g_hash_table_destroy(entry->oldpath_hash);
 489         g_hash_table_destroy(entry->newpath_hash);
 490 }
 491
 492 static void collect_manager_entry_init_data(CollectManagerEntry *entry)
 493 {
 494         entry->add_list = NULL;
 495         entry->oldpath_hash = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, (GDestroyNotify) collect_manager_action_unref);
 496         entry->newpath_hash = g_hash_table_new(g_str_hash, g_str_equal);
 497         entry->empty = TRUE;
 498
 499 }
 500
 501 static CollectManagerEntry *collect_manager_entry_new(const gchar *path)
 502 {
 503         CollectManagerEntry *entry;
 504
 505         entry = g_new0(CollectManagerEntry, 1);
 506         entry->path = g_strdup(path);
 507         collect_manager_entry_init_data(entry);
 508
 509         collection_manager_entry_list = g_list_append(collection_manager_entry_list, entry);
 510
 511         return entry;
 512 }
 513
 514
 515 static void collect_manager_entry_free(CollectManagerEntry *entry)
 516 {
 517         collection_manager_entry_list = g_list_remove(collection_manager_entry_list, entry);
 518
 519         collect_manager_entry_free_data(entry);
 520
 521         g_free(entry->path);
 522         g_free(entry);
 523 }
 524
 525 static void collect_manager_entry_reset(CollectManagerEntry *entry)
 526 {
 527         collect_manager_entry_free_data(entry);
 528         collect_manager_entry_init_data(entry);
 529 }
 530
 531 static CollectManagerEntry *collect_manager_get_entry(const gchar *path)
 532 {
 533         GList *work;
 534
 535         work = collection_manager_entry_list;
 536         while (work)
 537                 {
 538                 CollectManagerEntry *entry;
 539
 540                 entry = work->data;
 541                 work = work->next;
 542                 if (strcmp(entry->path, path) == 0)
 543                         {
 544                         return entry;
 545                         }
 546                 }
 547         return NULL;
 548
 549 }
 550
 551 static void collect_manager_entry_add_action(CollectManagerEntry *entry, CollectManagerAction *action)
 552 {
 553
 554         CollectManagerAction *orig_action;
 555
 556         entry->empty = FALSE;
 557
 558         if (action->oldpath == NULL)
 559                 {
 560                 /* add file */
 561                 if (action->newpath == NULL)
 562                         {
 563                         return;
 564                         }
 565
 566                 orig_action = g_hash_table_lookup(entry->newpath_hash, action->newpath);
 567                 if (orig_action)
 568                         {
 569                         /* target already exists */
 570                         printf("collection manager failed to add another action for target %s in collection %s\n",
 571                                 action->newpath, entry->path);
 572                         return;
 573                         }
 574                 entry->add_list = g_list_append(entry->add_list, action);
 575                 g_hash_table_insert(entry->newpath_hash, action->newpath, action);
 576                 collect_manager_action_ref(action);
 577                 return;
 578                 }
 579
 580         orig_action = g_hash_table_lookup(entry->newpath_hash, action->oldpath);
 581         if (orig_action)
 582                 {
 583                 /* new action with the same file */
 584                 CollectManagerAction *new_action = collect_manager_action_new(orig_action->oldpath, action->newpath, action->type);
 585
 586                 if (new_action->oldpath)
 587                         {
 588                         g_hash_table_steal(entry->oldpath_hash, orig_action->oldpath);
 589                         g_hash_table_insert(entry->oldpath_hash, new_action->oldpath, new_action);
 590                         }
 591                 else
 592                         {
 593                         GList *work = g_list_find(entry->add_list, orig_action);
 594                         work->data = new_action;
 595                         }
 596
 597                 g_hash_table_steal(entry->newpath_hash, orig_action->newpath);
 598                 if (new_action->newpath)
 599                         {
 600                         g_hash_table_insert(entry->newpath_hash, new_action->newpath, new_action);
 601                         }
 602                 collect_manager_action_unref(orig_action);
 603                 return;
 604                 }
 605
 606
 607         orig_action = g_hash_table_lookup(entry->oldpath_hash, action->oldpath);
 608         if (orig_action)
 609                 {
 610                 /* another action for the same source, ignore */
 611                 printf("collection manager failed to add another action for source %s in collection %s\n",
 612                         action->oldpath, entry->path);
 613                 return;
 614                 }
 615
 616         g_hash_table_insert(entry->oldpath_hash, action->oldpath, action);
 617         if (action->newpath)
 618                 {
 619                 g_hash_table_insert(entry->newpath_hash, action->newpath, action);
 620                 }
 621         collect_manager_action_ref(action);
 622 }
 623
 624 static gint collect_manager_process_action(CollectManagerEntry *entry, gchar **path_ptr)
 625 {
 626         gchar *path = *path_ptr;
 627         CollectManagerAction *action;
 628
 629         if (path == NULL)
 630                 {
 631                 /* get new files */
 632                 if (entry->add_list)
 633                         {
 634                         action = entry->add_list->data;
 635                         g_assert(action->oldpath == NULL);
 636                         entry->add_list = g_list_remove(entry->add_list, action);
 637                         path = g_strdup(action->newpath);
 638                         g_hash_table_remove(entry->newpath_hash, path);
 639                         collect_manager_action_unref(action);
 640                         }
 641                 *path_ptr = path;
 642                 return (path != NULL);
 643                 }
 644
 645         action = g_hash_table_lookup(entry->oldpath_hash, path);
 646
 647         if (action)
 648                 {
 649                 g_free(path);
 650                 path = g_strdup(action->newpath);
 651                 *path_ptr = path;
 652                 return TRUE;
 653                 }
 654
 655         return FALSE; /* no change */
 656 }
 657
 658 static void collect_manager_refresh(void)
 659 {
 660         GList *list = NULL;
 661         GList *work;
 662         gchar *base;
 663
 664         base = g_strconcat(homedir(), "/", GQ_RC_DIR_COLLECTIONS, NULL);
 665         path_list(base, &list, NULL);
 666         g_free(base);
 667
 668         work = collection_manager_entry_list;
 669         while (work && list)
 670                 {
 671                 CollectManagerEntry *entry;
 672                 GList *list_step;
 673
 674                 entry = work->data;
 675                 work = work->next;
 676
 677                 list_step = list;
 678                 while (list_step && entry)
 679                         {
 680                         gchar *path;
 681
 682                         path = list_step->data;
 683                         list_step = list_step->next;
 684
 685                         if (strcmp(path, entry->path) == 0)
 686                                 {
 687                                 list = g_list_remove(list, path);
 688                                 g_free(path);
 689
 690                                 entry = NULL;
 691                                 }
 692                         else
 693                                 {
 694                                 collect_manager_entry_free(entry);
 695                                 }
 696                         }
 697                 }
 698
 699         work = list;
 700         while (work)
 701                 {
 702                 gchar *path;
 703
 704                 path = work->data;
 705                 work = work->next;
 706
 707                 collect_manager_entry_new(path);
 708                 g_free(path);
 709                 }
 710
 711         g_list_free(list);
 712 }
 713
 714 static void collect_manager_process_actions(gint max)
 715 {
 716         if (debug && collection_manager_action_list)
 717                 {
 718                 printf("collection manager processing actions\n");
 719                 }
 720
 721         while (collection_manager_action_list != NULL && max > 0)
 722                 {
 723                 CollectManagerAction *action;
 724                 GList *work;
 725
 726                 action = collection_manager_action_list->data;
 727                 work = collection_manager_entry_list;
 728                 while (work)
 729                         {
 730                         CollectManagerEntry *entry;
 731
 732                         entry = work->data;
 733                         work = work->next;
 734
 735                         if (action->type == COLLECTION_MANAGER_UPDATE)
 736                                 {
 737                                 collect_manager_entry_add_action(entry, action);
 738                                 }
 739                         else if (action->oldpath && action->newpath &&
 740                                  strcmp(action->newpath, entry->path) == 0)
 741                                 {
 742                                 /* convert action to standard add format */
 743                                 g_free(action->newpath);
 744                                 if (action->type == COLLECTION_MANAGER_ADD)
 745                                         {
 746                                         action->newpath = action->oldpath;
 747                                         action->oldpath = NULL;
 748                                         }
 749                                 else if (action->type == COLLECTION_MANAGER_REMOVE)
 750                                         {
 751                                         action->newpath = NULL;
 752                                         }
 753                                 collect_manager_entry_add_action(entry, action);
 754                                 }
 755
 756                         max--;
 757                         }
 758
 759                 if (action->type != COLLECTION_MANAGER_UPDATE &&
 760                     action->oldpath && action->newpath)
 761                         {
 762                         printf("collection manager failed to %s %s for collection %s\n",
 763                                 (action->type == COLLECTION_MANAGER_ADD) ? "add" : "remove",
 764                                 action->oldpath, action->newpath);
 765                         }
 766
 767                 if (collection_manager_action_tail == collection_manager_action_list)
 768                         {
 769                         collection_manager_action_tail = NULL;
 770                         }
 771                 collection_manager_action_list = g_list_remove(collection_manager_action_list, action);
 772                 collect_manager_action_unref(action);
 773                 }
 774 }
 775
 776 static gint collect_manager_process_entry(CollectManagerEntry *entry)
 777 {
 778         CollectionData *cd;
 779         gint success;
 780
 781         if (entry->empty) return FALSE;
 782
 783         cd = collection_new(entry->path);
 784         success = collection_load_private(cd, entry->path, COLLECTION_LOAD_NONE);
 785
 786         collection_unref(cd);
 787
 788         return TRUE;
 789 }
 790
 791 static gint collect_manager_process_entry_list(void)
 792 {
 793         GList *work;
 794
 795         work = collection_manager_entry_list;
 796         while (work)
 797                 {
 798                 CollectManagerEntry *entry;
 799
 800                 entry = work->data;
 801                 work = work->next;
 802                 if (collect_manager_process_entry(entry)) return TRUE;
 803                 }
 804
 805         return FALSE;
 806 }
 807
 808
 809
 810 static gint collect_manager_process_cb(gpointer data)
 811 {
 812         if (collection_manager_action_list) collect_manager_refresh();
 813         collect_manager_process_actions(COLLECT_MANAGER_ACTIONS_PER_IDLE);
 814         if (collection_manager_action_list) return TRUE;
 815
 816         if (collect_manager_process_entry_list()) return TRUE;
 817
 818         if (debug) printf("collection manager is up to date\n");
 819         return FALSE;
 820 }
 821
 822 static gint collect_manager_timer_cb(gpointer data)
 823 {
 824         if (debug) printf("collection manager timer expired\n");
 825
 826         g_idle_add_full(G_PRIORITY_LOW, collect_manager_process_cb, NULL, NULL);
 827
 828         collection_manager_timer_id = -1;
 829         return FALSE;
 830 }
 831
 832 static void collect_manager_timer_push(gint stop)
 833 {
 834         if (collection_manager_timer_id != -1)
 835                 {
 836                 if (!stop) return;
 837
 838                 g_source_remove(collection_manager_timer_id);
 839                 collection_manager_timer_id = -1;
 840                 }
 841
 842         if (!stop)
 843                 {
 844                 collection_manager_timer_id = g_timeout_add(COLLECT_MANAGER_FLUSH_DELAY,
 845                                                             collect_manager_timer_cb, NULL);
 846                 if (debug) printf("collection manager timer started\n");
 847                 }
 848 }
 849
 850 static void collect_manager_add_action(CollectManagerAction *action)
 851 {
 852         if (!action) return;
 853
 854         /* we keep track of the list's tail to keep this a n(1) operation */
 855
 856         if (collection_manager_action_tail)
 857                 {
 858                 collection_manager_action_tail = g_list_append(collection_manager_action_tail, action);
 859                 collection_manager_action_tail = collection_manager_action_tail->next;
 860                 }
 861         else
 862                 {
 863                 collection_manager_action_list = g_list_append(collection_manager_action_list, action);
 864                 collection_manager_action_tail = collection_manager_action_list;
 865                 }
 866
 867         collect_manager_timer_push(FALSE);
 868 }
 869
 870 void collect_manager_moved(FileData *fd)
 871 {
 872         CollectManagerAction *action;
 873         const gchar *oldpath = fd->change->source;
 874         const gchar *newpath = fd->change->dest;
 875
 876         action = collect_manager_action_new(oldpath, newpath, COLLECTION_MANAGER_UPDATE);
 877         collect_manager_add_action(action);
 878 }
 879
 880 void collect_manager_add(FileData *fd, const gchar *collection)
 881 {
 882         CollectManagerAction *action;
 883         CollectWindow *cw;
 884
 885         if (!fd || !collection) return;
 886
 887         cw = collection_window_find_by_path(collection);
 888         if (cw)
 889                 {
 890                 if (collection_list_find(cw->cd->list, fd->path) == NULL)
 891                         {
 892                         collection_add(cw->cd, fd, FALSE);
 893                         }
 894                 return;
 895                 }
 896
 897         action = collect_manager_action_new(fd->path, collection, COLLECTION_MANAGER_ADD);
 898         collect_manager_add_action(action);
 899 }
 900
 901 void collect_manager_remove(FileData *fd, const gchar *collection)
 902 {
 903         CollectManagerAction *action;
 904         CollectWindow *cw;
 905
 906         if (!fd || !collection) return;
 907
 908         cw = collection_window_find_by_path(collection);
 909         if (cw)
 910                 {
 911                 while (collection_remove(cw->cd, fd));
 912                 return;
 913                 }
 914
 915         action = collect_manager_action_new(fd->path, collection, COLLECTION_MANAGER_REMOVE);
 916         collect_manager_add_action(action);
 917 }
 918
 919 void collect_manager_flush(void)
 920 {
 921         collect_manager_timer_push(TRUE);
 922
 923         if (debug) printf("collection manager flushing\n");
 924         while (collect_manager_process_cb(NULL));
 925 }
 926