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         gint has_official_header = FALSE;
  63         gint has_geometry_header = FALSE;
  64         gint has_gqview_header   = FALSE;
  65         gint need_header         = TRUE;
  66         guint total = 0;
  67         guint fail = 0;
  68         gboolean changed = FALSE;
  69         CollectManagerEntry *entry = NULL;
  70         guint flush = !!(flags & COLLECTION_LOAD_FLUSH);
  71         guint append = !!(flags & COLLECTION_LOAD_APPEND);
  72         guint only_geometry = !!(flags & COLLECTION_LOAD_GEOMETRY);
  73
  74         if (!only_geometry)
  75                 {
  76                 collection_load_stop(cd);
  77
  78                 if (flush)
  79                         collect_manager_flush();
  80                 else
  81                         entry = collect_manager_get_entry(path);
  82
  83                 if (!append)
  84                         {
  85                         collection_list_free(cd->list);
  86                         cd->list = NULL;
  87                         }
  88                 }
  89
  90         if (!path && !cd->path) return FALSE;
  91
  92         if (!path) path = cd->path;
  93
  94         if (debug) printf("collection load: append=%d flush=%d only_geometry=%d path=%s\n",
  95                           append, flush, only_geometry, path);
  96
  97         /* load it */
  98         pathl = path_from_utf8(path);
  99         f = fopen(pathl, "r");
 100         g_free(pathl);
 101         if (!f)
 102                 {
 103                 printf("Failed to open collection file: \"%s\"\n", path);
 104                 return FALSE;
 105                 }
 106
 107         while (fgets(s_buf, sizeof(s_buf), f))
 108                 {
 109                 gchar *buf;
 110                 gchar *p = s_buf;
 111
 112                 /* Skip whitespaces and empty lines */
 113                 while (*p && g_ascii_isspace(*p)) p++;
 114                 if (*p == '\n' || *p == '\r') continue;
 115
 116                 /* Parse comments */
 117                 if (*p == '#')
 118                         {
 119                         if (!need_header) continue;
 120                         if (strncasecmp(p, GQ_COLLECTION_MARKER, strlen(GQ_COLLECTION_MARKER)) == 0)
 121                                 {
 122                                 /* Looks like an official collection, allow unchecked input.
 123                                  * All this does is allow adding files that may not exist,
 124                                  * which is needed for the collection manager to work.
 125                                  * Also unofficial files abort after too many invalid entries.
 126                                  */
 127                                 has_official_header = TRUE;
 128                                 limit_failures = FALSE;
 129                                 }
 130                         else if (strncmp(p, "#geometry:", 10 ) == 0 &&
 131                                  scan_geometry(p + 10, &cd->window_x, &cd->window_y, &cd->window_w, &cd->window_h))
 132                                 {
 133                                 has_geometry_header = TRUE;
 134                                 cd->window_read = TRUE;
 135                                 if (only_geometry) break;
 136                                 }
 137                         else if (strncasecmp(p, "#GQview collection", strlen("#GQview collection")) == 0)
 138                                 {
 139                                 /* As 2008/04/15 there is no difference between our collection file format
 140                                  * and GQview 2.1.5 collection file format so ignore failures as well. */
 141                                 has_gqview_header = TRUE;
 142                                 limit_failures = FALSE;
 143                                 }
 144                         need_header = (!has_official_header && !has_gqview_header) || !has_geometry_header;
 145                         continue;
 146                         }
 147
 148                 /* Read filenames */
 149                 buf = quoted_value(p, NULL);
 150                 if (buf)
 151                         {
 152                         gint valid;
 153
 154                         if (!flush)
 155                                 changed |= collect_manager_process_action(entry, &buf);
 156
 157                         valid = (buf[0] == '/' && collection_add_check(cd, file_data_new_simple(buf), FALSE, TRUE));
 158                         if (debug && !valid) printf("collection invalid file: %s\n", buf);
 159                         g_free(buf);
 160
 161                         total++;
 162                         if (!valid)
 163                                 {
 164                                 fail++;
 165                                 if (limit_failures &&
 166                                     fail > GQ_COLLECTION_FAIL_MIN &&
 167                                     fail * 100 / total > GQ_COLLECTION_FAIL_PERCENT)
 168                                         {
 169                                         printf("%d invalid filenames in unoffical collection file, closing: %s\n", fail, path);
 170                                         success = FALSE;
 171                                         break;
 172                                         }
 173                                 }
 174                         }
 175                 }
 176
 177         if (debug) printf("collection files: total = %d fail = %d official=%d gqview=%d geometry=%d\n",
 178                           total, fail, has_official_header, has_gqview_header, has_geometry_header);
 179
 180         fclose(f);
 181         if (only_geometry) return has_geometry_header;
 182
 183         if (!flush)
 184                 {
 185                 gchar *buf = NULL;
 186                 while (collect_manager_process_action(entry, &buf))
 187                         {
 188                         collection_add_check(cd, file_data_new_simple(buf), FALSE, TRUE);
 189                         changed = TRUE;
 190                         g_free(buf);
 191                         }
 192                 }
 193
 194         cd->list = collection_list_sort(cd->list, cd->sort_method);
 195
 196         if (!flush && changed && success)
 197                 collection_save_private(cd, path);
 198
 199         if (!flush)
 200                 collect_manager_entry_reset(entry);
 201
 202         if (!append) cd->changed = FALSE;
 203
 204         return success;
 205 }
 206
 207 gint collection_load(CollectionData *cd, const gchar *path, CollectionLoadFlags flags)
 208 {
 209         if (collection_load_private(cd, path, flags | COLLECTION_LOAD_FLUSH))
 210                 {
 211                 layout_recent_add_path(cd->path);
 212                 return TRUE;
 213                 }
 214
 215         return FALSE;
 216 }
 217
 218 static void collection_load_thumb_do(CollectionData *cd)
 219 {
 220         GdkPixbuf *pixbuf;
 221
 222         if (!cd->thumb_loader || !g_list_find(cd->list, cd->thumb_info)) return;
 223
 224         pixbuf = thumb_loader_get_pixbuf(cd->thumb_loader, TRUE);
 225         collection_info_set_thumb(cd->thumb_info, pixbuf);
 226         g_object_unref(pixbuf);
 227
 228         if (cd->info_updated_func) cd->info_updated_func(cd, cd->thumb_info, cd->info_updated_data);
 229 }
 230
 231 static void collection_load_thumb_error_cb(ThumbLoader *tl, gpointer data)
 232 {
 233         CollectionData *cd = data;
 234
 235         collection_load_thumb_do(cd);
 236         collection_load_thumb_step(cd);
 237 }
 238
 239 static void collection_load_thumb_done_cb(ThumbLoader *tl, gpointer data)
 240 {
 241         CollectionData *cd = data;
 242
 243         collection_load_thumb_do(cd);
 244         collection_load_thumb_step(cd);
 245 }
 246
 247 static void collection_load_thumb_step(CollectionData *cd)
 248 {
 249         GList *work;
 250         CollectInfo *ci;
 251
 252         if (!cd->list)
 253                 {
 254                 collection_load_stop(cd);
 255                 return;
 256                 }
 257
 258         work = cd->list;
 259         ci = work->data;
 260         work = work->next;
 261         /* find first unloaded thumb */
 262         while (work && ci->pixbuf)
 263                 {
 264                 ci = work->data;
 265                 work = work->next;
 266                 }
 267
 268         if (!ci || ci->pixbuf)
 269                 {
 270                 /* done */
 271                 collection_load_stop(cd);
 272
 273                 /* send a NULL CollectInfo to notify end */
 274                 if (cd->info_updated_func) cd->info_updated_func(cd, NULL, cd->info_updated_data);
 275
 276                 return;
 277                 }
 278
 279         /* setup loader and call it */
 280         cd->thumb_info = ci;
 281         thumb_loader_free(cd->thumb_loader);
 282         cd->thumb_loader = thumb_loader_new(options->thumbnails.max_width, options->thumbnails.max_height);
 283         thumb_loader_set_callbacks(cd->thumb_loader,
 284                                    collection_load_thumb_done_cb,
 285                                    collection_load_thumb_error_cb,
 286                                    NULL,
 287                                    cd);
 288
 289         /* start it */
 290         if (!thumb_loader_start(cd->thumb_loader, ci->fd->path))
 291                 {
 292                 /* error, handle it, do next */
 293                 if (debug) printf("error loading thumb for %s\n", ci->fd->path);
 294                 collection_load_thumb_do(cd);
 295                 collection_load_thumb_step(cd);
 296                 }
 297 }
 298
 299 void collection_load_thumb_idle(CollectionData *cd)
 300 {
 301         if (!cd->thumb_loader) collection_load_thumb_step(cd);
 302 }
 303
 304 gint collection_load_begin(CollectionData *cd, const gchar *path, CollectionLoadFlags flags)
 305 {
 306         if (!collection_load(cd, path, flags)) return FALSE;
 307
 308         collection_load_thumb_idle(cd);
 309
 310         return TRUE;
 311 }
 312
 313 void collection_load_stop(CollectionData *cd)
 314 {
 315         if (!cd->thumb_loader) return;
 316
 317         thumb_loader_free(cd->thumb_loader);
 318         cd->thumb_loader = NULL;
 319 }
 320
 321 static gint collection_save_private(CollectionData *cd, const gchar *path)
 322 {
 323         SecureSaveInfo *ssi;
 324         GList *work;
 325         gchar *pathl;
 326
 327         if (!path && !cd->path) return FALSE;
 328
 329         if (!path)
 330                 {
 331                 path = cd->path;
 332                 }
 333
 334
 335         pathl = path_from_utf8(path);
 336         ssi = secure_open(pathl);
 337         g_free(pathl);
 338         if (!ssi)
 339                 {
 340                 printf_term(_("failed to open collection (write) \"%s\"\n"), path);
 341                 return FALSE;
 342                 }
 343
 344         secure_fprintf(ssi, "%s collection\n", GQ_COLLECTION_MARKER);
 345         secure_fprintf(ssi, "#created with %s version %s\n", GQ_APPNAME, VERSION);
 346
 347         collection_update_geometry(cd);
 348         if (cd->window_read)
 349                 {
 350                 secure_fprintf(ssi, "#geometry: %d %d %d %d\n", cd->window_x, cd->window_y, cd->window_w, cd->window_h);
 351                 }
 352
 353         work = cd->list;
 354         while (work && secsave_errno == SS_ERR_NONE)
 355                 {
 356                 CollectInfo *ci = work->data;
 357                 secure_fprintf(ssi, "\"%s\"\n", ci->fd->path);
 358                 work = work->next;
 359                 }
 360
 361         secure_fprintf(ssi, "#end\n");
 362
 363         if (secure_close(ssi))
 364                 {
 365                 printf_term(_("error saving collection file: %s\nerror: %s\n"), path,
 366                             secsave_strerror(secsave_errno));
 367                 return FALSE;
 368                 }
 369
 370         if (!cd->path || strcmp(path, cd->path) != 0)
 371                 {
 372                 gchar *buf = cd->path;
 373                 cd->path = g_strdup(path);
 374                 path = cd->path;
 375                 g_free(buf);
 376
 377                 g_free(cd->name);
 378                 cd->name = g_strdup(filename_from_path(cd->path));
 379
 380                 collection_path_changed(cd);
 381                 }
 382
 383         cd->changed = FALSE;
 384
 385         return TRUE;
 386 }
 387
 388 gint collection_save(CollectionData *cd, const gchar *path)
 389 {
 390         if (collection_save_private(cd, path))
 391                 {
 392                 layout_recent_add_path(cd->path);
 393                 return TRUE;
 394                 }
 395
 396         return FALSE;
 397 }
 398
 399 gint collection_load_only_geometry(CollectionData *cd, const gchar *path)
 400 {
 401         return collection_load(cd, path, COLLECTION_LOAD_GEOMETRY);
 402 }
 403
 404
 405 /*
 406  *-------------------------------------------------------------------
 407  * collection manager
 408  *-------------------------------------------------------------------
 409  */
 410
 411 #define COLLECT_MANAGER_ACTIONS_PER_IDLE 1000
 412 #define COLLECT_MANAGER_FLUSH_DELAY      10000
 413
 414 struct _CollectManagerEntry
 415 {
 416         gchar *path;
 417         GList *add_list;
 418         GHashTable *oldpath_hash;
 419         GHashTable *newpath_hash;
 420         gboolean empty;
 421 };
 422
 423 typedef enum {
 424         COLLECTION_MANAGER_UPDATE,
 425         COLLECTION_MANAGER_ADD,
 426         COLLECTION_MANAGER_REMOVE
 427 } CollectManagerType;
 428
 429 typedef struct _CollectManagerAction CollectManagerAction;
 430 struct _CollectManagerAction
 431 {
 432         gchar *oldpath;
 433         gchar *newpath;
 434
 435         CollectManagerType type;
 436
 437         gint ref;
 438 };
 439
 440
 441 static GList *collection_manager_entry_list = NULL;
 442 static GList *collection_manager_action_list = NULL;
 443 static GList *collection_manager_action_tail = NULL;
 444 static gint collection_manager_timer_id = -1;
 445
 446
 447 static CollectManagerAction *collect_manager_action_new(const gchar *oldpath, const gchar *newpath,
 448                                                         CollectManagerType type)
 449 {
 450         CollectManagerAction *action;
 451
 452         action = g_new0(CollectManagerAction, 1);
 453         action->ref = 1;
 454
 455         action->oldpath = g_strdup(oldpath);
 456         action->newpath = g_strdup(newpath);
 457
 458         action->type = type;
 459
 460         return action;
 461 }
 462
 463 static void collect_manager_action_ref(CollectManagerAction *action)
 464 {
 465         action->ref++;
 466 }
 467
 468 static void collect_manager_action_unref(CollectManagerAction *action)
 469 {
 470         action->ref--;
 471
 472         if (action->ref > 0) return;
 473
 474         g_free(action->oldpath);
 475         g_free(action->newpath);
 476         g_free(action);
 477 }
 478
 479 static void collect_manager_entry_free_data(CollectManagerEntry *entry)
 480 {
 481         GList *work;
 482
 483         work = entry->add_list;
 484         while (work)
 485                 {
 486                 CollectManagerAction *action;
 487
 488                 action = work->data;
 489                 work = work->next;
 490
 491                 collect_manager_action_unref(action);
 492                 }
 493         g_list_free(entry->add_list);
 494         g_hash_table_destroy(entry->oldpath_hash);
 495         g_hash_table_destroy(entry->newpath_hash);
 496 }
 497
 498 static void collect_manager_entry_init_data(CollectManagerEntry *entry)
 499 {
 500         entry->add_list = NULL;
 501         entry->oldpath_hash = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, (GDestroyNotify) collect_manager_action_unref);
 502         entry->newpath_hash = g_hash_table_new(g_str_hash, g_str_equal);
 503         entry->empty = TRUE;
 504
 505 }
 506
 507 static CollectManagerEntry *collect_manager_entry_new(const gchar *path)
 508 {
 509         CollectManagerEntry *entry;
 510
 511         entry = g_new0(CollectManagerEntry, 1);
 512         entry->path = g_strdup(path);
 513         collect_manager_entry_init_data(entry);
 514
 515         collection_manager_entry_list = g_list_append(collection_manager_entry_list, entry);
 516
 517         return entry;
 518 }
 519
 520
 521 static void collect_manager_entry_free(CollectManagerEntry *entry)
 522 {
 523         collection_manager_entry_list = g_list_remove(collection_manager_entry_list, entry);
 524
 525         collect_manager_entry_free_data(entry);
 526
 527         g_free(entry->path);
 528         g_free(entry);
 529 }
 530
 531 static void collect_manager_entry_reset(CollectManagerEntry *entry)
 532 {
 533         collect_manager_entry_free_data(entry);
 534         collect_manager_entry_init_data(entry);
 535 }
 536
 537 static CollectManagerEntry *collect_manager_get_entry(const gchar *path)
 538 {
 539         GList *work;
 540
 541         work = collection_manager_entry_list;
 542         while (work)
 543                 {
 544                 CollectManagerEntry *entry;
 545
 546                 entry = work->data;
 547                 work = work->next;
 548                 if (strcmp(entry->path, path) == 0)
 549                         {
 550                         return entry;
 551                         }
 552                 }
 553         return NULL;
 554
 555 }
 556
 557 static void collect_manager_entry_add_action(CollectManagerEntry *entry, CollectManagerAction *action)
 558 {
 559
 560         CollectManagerAction *orig_action;
 561
 562         entry->empty = FALSE;
 563
 564         if (action->oldpath == NULL)
 565                 {
 566                 /* add file */
 567                 if (action->newpath == NULL)
 568                         {
 569                         return;
 570                         }
 571
 572                 orig_action = g_hash_table_lookup(entry->newpath_hash, action->newpath);
 573                 if (orig_action)
 574                         {
 575                         /* target already exists */
 576                         printf("collection manager failed to add another action for target %s in collection %s\n",
 577                                 action->newpath, entry->path);
 578                         return;
 579                         }
 580                 entry->add_list = g_list_append(entry->add_list, action);
 581                 g_hash_table_insert(entry->newpath_hash, action->newpath, action);
 582                 collect_manager_action_ref(action);
 583                 return;
 584                 }
 585
 586         orig_action = g_hash_table_lookup(entry->newpath_hash, action->oldpath);
 587         if (orig_action)
 588                 {
 589                 /* new action with the same file */
 590                 CollectManagerAction *new_action = collect_manager_action_new(orig_action->oldpath, action->newpath, action->type);
 591
 592                 if (new_action->oldpath)
 593                         {
 594                         g_hash_table_steal(entry->oldpath_hash, orig_action->oldpath);
 595                         g_hash_table_insert(entry->oldpath_hash, new_action->oldpath, new_action);
 596                         }
 597                 else
 598                         {
 599                         GList *work = g_list_find(entry->add_list, orig_action);
 600                         work->data = new_action;
 601                         }
 602
 603                 g_hash_table_steal(entry->newpath_hash, orig_action->newpath);
 604                 if (new_action->newpath)
 605                         {
 606                         g_hash_table_insert(entry->newpath_hash, new_action->newpath, new_action);
 607                         }
 608                 collect_manager_action_unref(orig_action);
 609                 return;
 610                 }
 611
 612
 613         orig_action = g_hash_table_lookup(entry->oldpath_hash, action->oldpath);
 614         if (orig_action)
 615                 {
 616                 /* another action for the same source, ignore */
 617                 printf("collection manager failed to add another action for source %s in collection %s\n",
 618                         action->oldpath, entry->path);
 619                 return;
 620                 }
 621
 622         g_hash_table_insert(entry->oldpath_hash, action->oldpath, action);
 623         if (action->newpath)
 624                 {
 625                 g_hash_table_insert(entry->newpath_hash, action->newpath, action);
 626                 }
 627         collect_manager_action_ref(action);
 628 }
 629
 630 static gint collect_manager_process_action(CollectManagerEntry *entry, gchar **path_ptr)
 631 {
 632         gchar *path = *path_ptr;
 633         CollectManagerAction *action;
 634
 635         if (path == NULL)
 636                 {
 637                 /* get new files */
 638                 if (entry->add_list)
 639                         {
 640                         action = entry->add_list->data;
 641                         g_assert(action->oldpath == NULL);
 642                         entry->add_list = g_list_remove(entry->add_list, action);
 643                         path = g_strdup(action->newpath);
 644                         g_hash_table_remove(entry->newpath_hash, path);
 645                         collect_manager_action_unref(action);
 646                         }
 647                 *path_ptr = path;
 648                 return (path != NULL);
 649                 }
 650
 651         action = g_hash_table_lookup(entry->oldpath_hash, path);
 652
 653         if (action)
 654                 {
 655                 g_free(path);
 656                 path = g_strdup(action->newpath);
 657                 *path_ptr = path;
 658                 return TRUE;
 659                 }
 660
 661         return FALSE; /* no change */
 662 }
 663
 664 static void collect_manager_refresh(void)
 665 {
 666         GList *list = NULL;
 667         GList *work;
 668         gchar *base;
 669
 670         base = g_strconcat(homedir(), "/", GQ_RC_DIR_COLLECTIONS, NULL);
 671         path_list(base, &list, NULL);
 672         g_free(base);
 673
 674         work = collection_manager_entry_list;
 675         while (work && list)
 676                 {
 677                 CollectManagerEntry *entry;
 678                 GList *list_step;
 679
 680                 entry = work->data;
 681                 work = work->next;
 682
 683                 list_step = list;
 684                 while (list_step && entry)
 685                         {
 686                         gchar *path;
 687
 688                         path = list_step->data;
 689                         list_step = list_step->next;
 690
 691                         if (strcmp(path, entry->path) == 0)
 692                                 {
 693                                 list = g_list_remove(list, path);
 694                                 g_free(path);
 695
 696                                 entry = NULL;
 697                                 }
 698                         else
 699                                 {
 700                                 collect_manager_entry_free(entry);
 701                                 }
 702                         }
 703                 }
 704
 705         work = list;
 706         while (work)
 707                 {
 708                 gchar *path;
 709
 710                 path = work->data;
 711                 work = work->next;
 712
 713                 collect_manager_entry_new(path);
 714                 g_free(path);
 715                 }
 716
 717         g_list_free(list);
 718 }
 719
 720 static void collect_manager_process_actions(gint max)
 721 {
 722         if (debug && collection_manager_action_list)
 723                 {
 724                 printf("collection manager processing actions\n");
 725                 }
 726
 727         while (collection_manager_action_list != NULL && max > 0)
 728                 {
 729                 CollectManagerAction *action;
 730                 GList *work;
 731
 732                 action = collection_manager_action_list->data;
 733                 work = collection_manager_entry_list;
 734                 while (work)
 735                         {
 736                         CollectManagerEntry *entry;
 737
 738                         entry = work->data;
 739                         work = work->next;
 740
 741                         if (action->type == COLLECTION_MANAGER_UPDATE)
 742                                 {
 743                                 collect_manager_entry_add_action(entry, action);
 744                                 }
 745                         else if (action->oldpath && action->newpath &&
 746                                  strcmp(action->newpath, entry->path) == 0)
 747                                 {
 748                                 /* convert action to standard add format */
 749                                 g_free(action->newpath);
 750                                 if (action->type == COLLECTION_MANAGER_ADD)
 751                                         {
 752                                         action->newpath = action->oldpath;
 753                                         action->oldpath = NULL;
 754                                         }
 755                                 else if (action->type == COLLECTION_MANAGER_REMOVE)
 756                                         {
 757                                         action->newpath = NULL;
 758                                         }
 759                                 collect_manager_entry_add_action(entry, action);
 760                                 }
 761
 762                         max--;
 763                         }
 764
 765                 if (action->type != COLLECTION_MANAGER_UPDATE &&
 766                     action->oldpath && action->newpath)
 767                         {
 768                         printf("collection manager failed to %s %s for collection %s\n",
 769                                 (action->type == COLLECTION_MANAGER_ADD) ? "add" : "remove",
 770                                 action->oldpath, action->newpath);
 771                         }
 772
 773                 if (collection_manager_action_tail == collection_manager_action_list)
 774                         {
 775                         collection_manager_action_tail = NULL;
 776                         }
 777                 collection_manager_action_list = g_list_remove(collection_manager_action_list, action);
 778                 collect_manager_action_unref(action);
 779                 }
 780 }
 781
 782 static gint collect_manager_process_entry(CollectManagerEntry *entry)
 783 {
 784         CollectionData *cd;
 785         gint success;
 786
 787         if (entry->empty) return FALSE;
 788
 789         cd = collection_new(entry->path);
 790         success = collection_load_private(cd, entry->path, COLLECTION_LOAD_NONE);
 791
 792         collection_unref(cd);
 793
 794         return TRUE;
 795 }
 796
 797 static gint collect_manager_process_entry_list(void)
 798 {
 799         GList *work;
 800
 801         work = collection_manager_entry_list;
 802         while (work)
 803                 {
 804                 CollectManagerEntry *entry;
 805
 806                 entry = work->data;
 807                 work = work->next;
 808                 if (collect_manager_process_entry(entry)) return TRUE;
 809                 }
 810
 811         return FALSE;
 812 }
 813
 814
 815
 816 static gint collect_manager_process_cb(gpointer data)
 817 {
 818         if (collection_manager_action_list) collect_manager_refresh();
 819         collect_manager_process_actions(COLLECT_MANAGER_ACTIONS_PER_IDLE);
 820         if (collection_manager_action_list) return TRUE;
 821
 822         if (collect_manager_process_entry_list()) return TRUE;
 823
 824         if (debug) printf("collection manager is up to date\n");
 825         return FALSE;
 826 }
 827
 828 static gint collect_manager_timer_cb(gpointer data)
 829 {
 830         if (debug) printf("collection manager timer expired\n");
 831
 832         g_idle_add_full(G_PRIORITY_LOW, collect_manager_process_cb, NULL, NULL);
 833
 834         collection_manager_timer_id = -1;
 835         return FALSE;
 836 }
 837
 838 static void collect_manager_timer_push(gint stop)
 839 {
 840         if (collection_manager_timer_id != -1)
 841                 {
 842                 if (!stop) return;
 843
 844                 g_source_remove(collection_manager_timer_id);
 845                 collection_manager_timer_id = -1;
 846                 }
 847
 848         if (!stop)
 849                 {
 850                 collection_manager_timer_id = g_timeout_add(COLLECT_MANAGER_FLUSH_DELAY,
 851                                                             collect_manager_timer_cb, NULL);
 852                 if (debug) printf("collection manager timer started\n");
 853                 }
 854 }
 855
 856 static void collect_manager_add_action(CollectManagerAction *action)
 857 {
 858         if (!action) return;
 859
 860         /* we keep track of the list's tail to keep this a n(1) operation */
 861
 862         if (collection_manager_action_tail)
 863                 {
 864                 collection_manager_action_tail = g_list_append(collection_manager_action_tail, action);
 865                 collection_manager_action_tail = collection_manager_action_tail->next;
 866                 }
 867         else
 868                 {
 869                 collection_manager_action_list = g_list_append(collection_manager_action_list, action);
 870                 collection_manager_action_tail = collection_manager_action_list;
 871                 }
 872
 873         collect_manager_timer_push(FALSE);
 874 }
 875
 876 void collect_manager_moved(FileData *fd)
 877 {
 878         CollectManagerAction *action;
 879         const gchar *oldpath = fd->change->source;
 880         const gchar *newpath = fd->change->dest;
 881
 882         action = collect_manager_action_new(oldpath, newpath, COLLECTION_MANAGER_UPDATE);
 883         collect_manager_add_action(action);
 884 }
 885
 886 void collect_manager_add(FileData *fd, const gchar *collection)
 887 {
 888         CollectManagerAction *action;
 889         CollectWindow *cw;
 890
 891         if (!fd || !collection) return;
 892
 893         cw = collection_window_find_by_path(collection);
 894         if (cw)
 895                 {
 896                 if (collection_list_find(cw->cd->list, fd->path) == NULL)
 897                         {
 898                         collection_add(cw->cd, fd, FALSE);
 899                         }
 900                 return;
 901                 }
 902
 903         action = collect_manager_action_new(fd->path, collection, COLLECTION_MANAGER_ADD);
 904         collect_manager_add_action(action);
 905 }
 906
 907 void collect_manager_remove(FileData *fd, const gchar *collection)
 908 {
 909         CollectManagerAction *action;
 910         CollectWindow *cw;
 911
 912         if (!fd || !collection) return;
 913
 914         cw = collection_window_find_by_path(collection);
 915         if (cw)
 916                 {
 917                 while (collection_remove(cw->cd, fd));
 918                 return;
 919                 }
 920
 921         action = collect_manager_action_new(fd->path, collection, COLLECTION_MANAGER_REMOVE);
 922         collect_manager_add_action(action);
 923 }
 924
 925 void collect_manager_flush(void)
 926 {
 927         collect_manager_timer_push(TRUE);
 928
 929         if (debug) printf("collection manager flushing\n");
 930         while (collect_manager_process_cb(NULL));
 931 }