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                 gchar *buf;
 341
 342                 buf = g_strdup_printf(_("failed to open collection (write) \"%s\"\n"), path);
 343                 print_term(buf);
 344                 g_free(buf);
 345                 return FALSE;
 346                 }
 347
 348         secure_fprintf(ssi, "%s collection\n", GQ_COLLECTION_MARKER);
 349         secure_fprintf(ssi, "#created with %s version %s\n", GQ_APPNAME, VERSION);
 350
 351         collection_update_geometry(cd);
 352         if (cd->window_read)
 353                 {
 354                 secure_fprintf(ssi, "#geometry: %d %d %d %d\n", cd->window_x, cd->window_y, cd->window_w, cd->window_h);
 355                 }
 356
 357         work = cd->list;
 358         while (work && secsave_errno == SS_ERR_NONE)
 359                 {
 360                 CollectInfo *ci = work->data;
 361                 secure_fprintf(ssi, "\"%s\"\n", ci->fd->path);
 362                 work = work->next;
 363                 }
 364
 365         secure_fprintf(ssi, "#end\n");
 366
 367         if (secure_close(ssi))
 368                 {
 369                 gchar *buf;
 370
 371                 buf = g_strdup_printf(_("error saving collection file: %s\nerror: %s\n"), path,
 372                                       secsave_strerror(secsave_errno));
 373                 print_term(buf);
 374                 g_free(buf);
 375                 return FALSE;
 376                 }
 377
 378         if (!cd->path || strcmp(path, cd->path) != 0)
 379                 {
 380                 gchar *buf = cd->path;
 381                 cd->path = g_strdup(path);
 382                 path = cd->path;
 383                 g_free(buf);
 384
 385                 g_free(cd->name);
 386                 cd->name = g_strdup(filename_from_path(cd->path));
 387
 388                 collection_path_changed(cd);
 389                 }
 390
 391         cd->changed = FALSE;
 392
 393         return TRUE;
 394 }
 395
 396 gint collection_save(CollectionData *cd, const gchar *path)
 397 {
 398         if (collection_save_private(cd, path))
 399                 {
 400                 layout_recent_add_path(cd->path);
 401                 return TRUE;
 402                 }
 403
 404         return FALSE;
 405 }
 406
 407 gint collection_load_only_geometry(CollectionData *cd, const gchar *path)
 408 {
 409         return collection_load(cd, path, COLLECTION_LOAD_GEOMETRY);
 410 }
 411
 412
 413 /*
 414  *-------------------------------------------------------------------
 415  * collection manager
 416  *-------------------------------------------------------------------
 417  */
 418
 419 #define COLLECT_MANAGER_ACTIONS_PER_IDLE 1000
 420 #define COLLECT_MANAGER_FLUSH_DELAY      10000
 421
 422 struct _CollectManagerEntry
 423 {
 424         gchar *path;
 425         GList *add_list;
 426         GHashTable *oldpath_hash;
 427         GHashTable *newpath_hash;
 428         gboolean empty;
 429 };
 430
 431 typedef enum {
 432         COLLECTION_MANAGER_UPDATE,
 433         COLLECTION_MANAGER_ADD,
 434         COLLECTION_MANAGER_REMOVE
 435 } CollectManagerType;
 436
 437 typedef struct _CollectManagerAction CollectManagerAction;
 438 struct _CollectManagerAction
 439 {
 440         gchar *oldpath;
 441         gchar *newpath;
 442
 443         CollectManagerType type;
 444
 445         gint ref;
 446 };
 447
 448
 449 static GList *collection_manager_entry_list = NULL;
 450 static GList *collection_manager_action_list = NULL;
 451 static GList *collection_manager_action_tail = NULL;
 452 static gint collection_manager_timer_id = -1;
 453
 454
 455 static CollectManagerAction *collect_manager_action_new(const gchar *oldpath, const gchar *newpath,
 456                                                         CollectManagerType type)
 457 {
 458         CollectManagerAction *action;
 459
 460         action = g_new0(CollectManagerAction, 1);
 461         action->ref = 1;
 462
 463         action->oldpath = g_strdup(oldpath);
 464         action->newpath = g_strdup(newpath);
 465
 466         action->type = type;
 467
 468         return action;
 469 }
 470
 471 static void collect_manager_action_ref(CollectManagerAction *action)
 472 {
 473         action->ref++;
 474 }
 475
 476 static void collect_manager_action_unref(CollectManagerAction *action)
 477 {
 478         action->ref--;
 479
 480         if (action->ref > 0) return;
 481
 482         g_free(action->oldpath);
 483         g_free(action->newpath);
 484         g_free(action);
 485 }
 486
 487 static void collect_manager_entry_free_data(CollectManagerEntry *entry)
 488 {
 489         GList *work;
 490
 491         work = entry->add_list;
 492         while (work)
 493                 {
 494                 CollectManagerAction *action;
 495
 496                 action = work->data;
 497                 work = work->next;
 498
 499                 collect_manager_action_unref(action);
 500                 }
 501         g_list_free(entry->add_list);
 502         g_hash_table_destroy(entry->oldpath_hash);
 503         g_hash_table_destroy(entry->newpath_hash);
 504 }
 505
 506 static void collect_manager_entry_init_data(CollectManagerEntry *entry)
 507 {
 508         entry->add_list = NULL;
 509         entry->oldpath_hash = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, (GDestroyNotify) collect_manager_action_unref);
 510         entry->newpath_hash = g_hash_table_new(g_str_hash, g_str_equal);
 511         entry->empty = TRUE;
 512
 513 }
 514
 515 static CollectManagerEntry *collect_manager_entry_new(const gchar *path)
 516 {
 517         CollectManagerEntry *entry;
 518
 519         entry = g_new0(CollectManagerEntry, 1);
 520         entry->path = g_strdup(path);
 521         collect_manager_entry_init_data(entry);
 522
 523         collection_manager_entry_list = g_list_append(collection_manager_entry_list, entry);
 524
 525         return entry;
 526 }
 527
 528
 529 static void collect_manager_entry_free(CollectManagerEntry *entry)
 530 {
 531         collection_manager_entry_list = g_list_remove(collection_manager_entry_list, entry);
 532
 533         collect_manager_entry_free_data(entry);
 534
 535         g_free(entry->path);
 536         g_free(entry);
 537 }
 538
 539 static void collect_manager_entry_reset(CollectManagerEntry *entry)
 540 {
 541         collect_manager_entry_free_data(entry);
 542         collect_manager_entry_init_data(entry);
 543 }
 544
 545 static CollectManagerEntry *collect_manager_get_entry(const gchar *path)
 546 {
 547         GList *work;
 548
 549         work = collection_manager_entry_list;
 550         while (work)
 551                 {
 552                 CollectManagerEntry *entry;
 553
 554                 entry = work->data;
 555                 work = work->next;
 556                 if (strcmp(entry->path, path) == 0)
 557                         {
 558                         return entry;
 559                         }
 560                 }
 561         return NULL;
 562
 563 }
 564
 565 static void collect_manager_entry_add_action(CollectManagerEntry *entry, CollectManagerAction *action)
 566 {
 567
 568         CollectManagerAction *orig_action;
 569
 570         entry->empty = FALSE;
 571
 572         if (action->oldpath == NULL)
 573                 {
 574                 /* add file */
 575                 if (action->newpath == NULL)
 576                         {
 577                         return;
 578                         }
 579
 580                 orig_action = g_hash_table_lookup(entry->newpath_hash, action->newpath);
 581                 if (orig_action)
 582                         {
 583                         /* target already exists */
 584                         printf("collection manager failed to add another action for target %s in collection %s\n",
 585                                 action->newpath, entry->path);
 586                         return;
 587                         }
 588                 entry->add_list = g_list_append(entry->add_list, action);
 589                 g_hash_table_insert(entry->newpath_hash, action->newpath, action);
 590                 collect_manager_action_ref(action);
 591                 return;
 592                 }
 593
 594         orig_action = g_hash_table_lookup(entry->newpath_hash, action->oldpath);
 595         if (orig_action)
 596                 {
 597                 /* new action with the same file */
 598                 CollectManagerAction *new_action = collect_manager_action_new(orig_action->oldpath, action->newpath, action->type);
 599
 600                 if (new_action->oldpath)
 601                         {
 602                         g_hash_table_steal(entry->oldpath_hash, orig_action->oldpath);
 603                         g_hash_table_insert(entry->oldpath_hash, new_action->oldpath, new_action);
 604                         }
 605                 else
 606                         {
 607                         GList *work = g_list_find(entry->add_list, orig_action);
 608                         work->data = new_action;
 609                         }
 610
 611                 g_hash_table_steal(entry->newpath_hash, orig_action->newpath);
 612                 if (new_action->newpath)
 613                         {
 614                         g_hash_table_insert(entry->newpath_hash, new_action->newpath, new_action);
 615                         }
 616                 collect_manager_action_unref(orig_action);
 617                 return;
 618                 }
 619
 620
 621         orig_action = g_hash_table_lookup(entry->oldpath_hash, action->oldpath);
 622         if (orig_action)
 623                 {
 624                 /* another action for the same source, ignore */
 625                 printf("collection manager failed to add another action for source %s in collection %s\n",
 626                         action->oldpath, entry->path);
 627                 return;
 628                 }
 629
 630         g_hash_table_insert(entry->oldpath_hash, action->oldpath, action);
 631         if (action->newpath)
 632                 {
 633                 g_hash_table_insert(entry->newpath_hash, action->newpath, action);
 634                 }
 635         collect_manager_action_ref(action);
 636 }
 637
 638 static gint collect_manager_process_action(CollectManagerEntry *entry, gchar **path_ptr)
 639 {
 640         gchar *path = *path_ptr;
 641         CollectManagerAction *action;
 642
 643         if (path == NULL)
 644                 {
 645                 /* get new files */
 646                 if (entry->add_list)
 647                         {
 648                         action = entry->add_list->data;
 649                         g_assert(action->oldpath == NULL);
 650                         entry->add_list = g_list_remove(entry->add_list, action);
 651                         path = g_strdup(action->newpath);
 652                         g_hash_table_remove(entry->newpath_hash, path);
 653                         collect_manager_action_unref(action);
 654                         }
 655                 *path_ptr = path;
 656                 return (path != NULL);
 657                 }
 658
 659         action = g_hash_table_lookup(entry->oldpath_hash, path);
 660
 661         if (action)
 662                 {
 663                 g_free(path);
 664                 path = g_strdup(action->newpath);
 665                 *path_ptr = path;
 666                 return TRUE;
 667                 }
 668
 669         return FALSE; /* no change */
 670 }
 671
 672 static void collect_manager_refresh(void)
 673 {
 674         GList *list = NULL;
 675         GList *work;
 676         gchar *base;
 677
 678         base = g_strconcat(homedir(), "/", GQ_RC_DIR_COLLECTIONS, NULL);
 679         path_list(base, &list, NULL);
 680         g_free(base);
 681
 682         work = collection_manager_entry_list;
 683         while (work && list)
 684                 {
 685                 CollectManagerEntry *entry;
 686                 GList *list_step;
 687
 688                 entry = work->data;
 689                 work = work->next;
 690
 691                 list_step = list;
 692                 while (list_step && entry)
 693                         {
 694                         gchar *path;
 695
 696                         path = list_step->data;
 697                         list_step = list_step->next;
 698
 699                         if (strcmp(path, entry->path) == 0)
 700                                 {
 701                                 list = g_list_remove(list, path);
 702                                 g_free(path);
 703
 704                                 entry = NULL;
 705                                 }
 706                         else
 707                                 {
 708                                 collect_manager_entry_free(entry);
 709                                 }
 710                         }
 711                 }
 712
 713         work = list;
 714         while (work)
 715                 {
 716                 gchar *path;
 717
 718                 path = work->data;
 719                 work = work->next;
 720
 721                 collect_manager_entry_new(path);
 722                 g_free(path);
 723                 }
 724
 725         g_list_free(list);
 726 }
 727
 728 static void collect_manager_process_actions(gint max)
 729 {
 730         if (debug && collection_manager_action_list)
 731                 {
 732                 printf("collection manager processing actions\n");
 733                 }
 734
 735         while (collection_manager_action_list != NULL && max > 0)
 736                 {
 737                 CollectManagerAction *action;
 738                 GList *work;
 739
 740                 action = collection_manager_action_list->data;
 741                 work = collection_manager_entry_list;
 742                 while (work)
 743                         {
 744                         CollectManagerEntry *entry;
 745
 746                         entry = work->data;
 747                         work = work->next;
 748
 749                         if (action->type == COLLECTION_MANAGER_UPDATE)
 750                                 {
 751                                 collect_manager_entry_add_action(entry, action);
 752                                 }
 753                         else if (action->oldpath && action->newpath &&
 754                                  strcmp(action->newpath, entry->path) == 0)
 755                                 {
 756                                 /* convert action to standard add format */
 757                                 g_free(action->newpath);
 758                                 if (action->type == COLLECTION_MANAGER_ADD)
 759                                         {
 760                                         action->newpath = action->oldpath;
 761                                         action->oldpath = NULL;
 762                                         }
 763                                 else if (action->type == COLLECTION_MANAGER_REMOVE)
 764                                         {
 765                                         action->newpath = NULL;
 766                                         }
 767                                 collect_manager_entry_add_action(entry, action);
 768                                 }
 769
 770                         max--;
 771                         }
 772
 773                 if (action->type != COLLECTION_MANAGER_UPDATE &&
 774                     action->oldpath && action->newpath)
 775                         {
 776                         printf("collection manager failed to %s %s for collection %s\n",
 777                                 (action->type == COLLECTION_MANAGER_ADD) ? "add" : "remove",
 778                                 action->oldpath, action->newpath);
 779                         }
 780
 781                 if (collection_manager_action_tail == collection_manager_action_list)
 782                         {
 783                         collection_manager_action_tail = NULL;
 784                         }
 785                 collection_manager_action_list = g_list_remove(collection_manager_action_list, action);
 786                 collect_manager_action_unref(action);
 787                 }
 788 }
 789
 790 static gint collect_manager_process_entry(CollectManagerEntry *entry)
 791 {
 792         CollectionData *cd;
 793         gint success;
 794
 795         if (entry->empty) return FALSE;
 796
 797         cd = collection_new(entry->path);
 798         success = collection_load_private(cd, entry->path, COLLECTION_LOAD_NONE);
 799
 800         collection_unref(cd);
 801
 802         return TRUE;
 803 }
 804
 805 static gint collect_manager_process_entry_list(void)
 806 {
 807         GList *work;
 808
 809         work = collection_manager_entry_list;
 810         while (work)
 811                 {
 812                 CollectManagerEntry *entry;
 813
 814                 entry = work->data;
 815                 work = work->next;
 816                 if (collect_manager_process_entry(entry)) return TRUE;
 817                 }
 818
 819         return FALSE;
 820 }
 821
 822
 823
 824 static gint collect_manager_process_cb(gpointer data)
 825 {
 826         if (collection_manager_action_list) collect_manager_refresh();
 827         collect_manager_process_actions(COLLECT_MANAGER_ACTIONS_PER_IDLE);
 828         if (collection_manager_action_list) return TRUE;
 829
 830         if (collect_manager_process_entry_list()) return TRUE;
 831
 832         if (debug) printf("collection manager is up to date\n");
 833         return FALSE;
 834 }
 835
 836 static gint collect_manager_timer_cb(gpointer data)
 837 {
 838         if (debug) printf("collection manager timer expired\n");
 839
 840         g_idle_add_full(G_PRIORITY_LOW, collect_manager_process_cb, NULL, NULL);
 841
 842         collection_manager_timer_id = -1;
 843         return FALSE;
 844 }
 845
 846 static void collect_manager_timer_push(gint stop)
 847 {
 848         if (collection_manager_timer_id != -1)
 849                 {
 850                 if (!stop) return;
 851
 852                 g_source_remove(collection_manager_timer_id);
 853                 collection_manager_timer_id = -1;
 854                 }
 855
 856         if (!stop)
 857                 {
 858                 collection_manager_timer_id = g_timeout_add(COLLECT_MANAGER_FLUSH_DELAY,
 859                                                             collect_manager_timer_cb, NULL);
 860                 if (debug) printf("collection manager timer started\n");
 861                 }
 862 }
 863
 864 static void collect_manager_add_action(CollectManagerAction *action)
 865 {
 866         if (!action) return;
 867
 868         /* we keep track of the list's tail to keep this a n(1) operation */
 869
 870         if (collection_manager_action_tail)
 871                 {
 872                 collection_manager_action_tail = g_list_append(collection_manager_action_tail, action);
 873                 collection_manager_action_tail = collection_manager_action_tail->next;
 874                 }
 875         else
 876                 {
 877                 collection_manager_action_list = g_list_append(collection_manager_action_list, action);
 878                 collection_manager_action_tail = collection_manager_action_list;
 879                 }
 880
 881         collect_manager_timer_push(FALSE);
 882 }
 883
 884 void collect_manager_moved(FileData *fd)
 885 {
 886         CollectManagerAction *action;
 887         const gchar *oldpath = fd->change->source;
 888         const gchar *newpath = fd->change->dest;
 889
 890         action = collect_manager_action_new(oldpath, newpath, COLLECTION_MANAGER_UPDATE);
 891         collect_manager_add_action(action);
 892 }
 893
 894 void collect_manager_add(FileData *fd, const gchar *collection)
 895 {
 896         CollectManagerAction *action;
 897         CollectWindow *cw;
 898
 899         if (!fd || !collection) return;
 900
 901         cw = collection_window_find_by_path(collection);
 902         if (cw)
 903                 {
 904                 if (collection_list_find(cw->cd->list, fd->path) == NULL)
 905                         {
 906                         collection_add(cw->cd, fd, FALSE);
 907                         }
 908                 return;
 909                 }
 910
 911         action = collect_manager_action_new(fd->path, collection, COLLECTION_MANAGER_ADD);
 912         collect_manager_add_action(action);
 913 }
 914
 915 void collect_manager_remove(FileData *fd, const gchar *collection)
 916 {
 917         CollectManagerAction *action;
 918         CollectWindow *cw;
 919
 920         if (!fd || !collection) return;
 921
 922         cw = collection_window_find_by_path(collection);
 923         if (cw)
 924                 {
 925                 while (collection_remove(cw->cd, fd));
 926                 return;
 927                 }
 928
 929         action = collect_manager_action_new(fd->path, collection, COLLECTION_MANAGER_REMOVE);
 930         collect_manager_add_action(action);
 931 }
 932
 933 void collect_manager_flush(void)
 934 {
 935         collect_manager_timer_push(TRUE);
 936
 937         if (debug) printf("collection manager flushing\n");
 938         while (collect_manager_process_cb(NULL));
 939 }
 940