src/collect-io.c

   1 /*
   2  * Geeqie
   3  * (C) 2004 John Ellis
   4  * Copyright (C) 2008 The Geeqie Team
   5  *
   6  * Author: John Ellis
   7  *
   8  * This software is released under the GNU General Public License (GNU GPL).
   9  * Please read the included file COPYING for more information.
  10  * This software comes with no warranty of any kind, use at your own risk!
  11  */
  12
  13
  14 #include "main.h"
  15 #include "collect-io.h"
  16
  17 #include "collect.h"
  18 #include "filelist.h"
  19 #include "layout_util.h"
  20 #include "rcfile.h"
  21 #include "secure_save.h"
  22 #include "thumb.h"
  23 #include "ui_fileops.h"
  24
  25
  26 #define GQ_COLLECTION_MARKER "#" GQ_APPNAME
  27
  28 #define GQ_COLLECTION_FAIL_MIN     300
  29 #define GQ_COLLECTION_FAIL_PERCENT 98
  30 #define GQ_COLLECTION_READ_BUFSIZE 4096
  31
  32 typedef struct _CollectManagerEntry CollectManagerEntry;
  33
  34 static void collection_load_thumb_step(CollectionData *cd);
  35 static gint collection_save_private(CollectionData *cd, const gchar *path);
  36
  37 static CollectManagerEntry *collect_manager_get_entry(const gchar *path);
  38 static void collect_manager_entry_reset(CollectManagerEntry *entry);
  39 static gint collect_manager_process_action(CollectManagerEntry *entry, gchar **path_ptr);
  40
  41
  42 static gint scan_geometry(gchar *buffer, gint *x, gint *y, gint *w, gint *h)
  43 {
  44         gint nx, ny, nw, nh;
  45
  46         if(sscanf(buffer, "%d %d %d %d", &nx, &ny, &nw, &nh) != 4) return FALSE;
  47
  48         *x = nx;
  49         *y = ny;
  50         *w = nw;
  51         *h = nh;
  52
  53         return TRUE;
  54 }
  55
  56 static gint collection_load_private(CollectionData *cd, const gchar *path, CollectionLoadFlags flags)
  57 {
  58         gchar s_buf[GQ_COLLECTION_READ_BUFSIZE];
  59         FILE *f;
  60         gchar *pathl;
  61         gint limit_failures = TRUE;
  62         gint success = TRUE;
  63         gint has_official_header = FALSE;
  64         gint has_geometry_header = FALSE;
  65         gint has_gqview_header   = FALSE;
  66         gint need_header         = TRUE;
  67         guint total = 0;
  68         guint fail = 0;
  69         gboolean changed = FALSE;
  70         CollectManagerEntry *entry = NULL;
  71         guint flush = !!(flags & COLLECTION_LOAD_FLUSH);
  72         guint append = !!(flags & COLLECTION_LOAD_APPEND);
  73         guint only_geometry = !!(flags & COLLECTION_LOAD_GEOMETRY);
  74
  75         if (!only_geometry)
  76                 {
  77                 collection_load_stop(cd);
  78
  79                 if (flush)
  80                         collect_manager_flush();
  81                 else
  82                         entry = collect_manager_get_entry(path);
  83
  84                 if (!append)
  85                         {
  86                         collection_list_free(cd->list);
  87                         cd->list = NULL;
  88                         }
  89                 }
  90
  91         if (!path && !cd->path) return FALSE;
  92
  93         if (!path) path = cd->path;
  94
  95         if (debug) printf("collection load: append=%d flush=%d only_geometry=%d path=%s\n",
  96                           append, flush, only_geometry, path);
  97
  98         /* load it */
  99         pathl = path_from_utf8(path);
 100         f = fopen(pathl, "r");
 101         g_free(pathl);
 102         if (!f)
 103                 {
 104                 printf("Failed to open collection file: \"%s\"\n", path);
 105                 return FALSE;
 106                 }
 107
 108         while (fgets(s_buf, sizeof(s_buf), f))
 109                 {
 110                 gchar *buf;
 111                 gchar *p = s_buf;
 112
 113                 /* Skip whitespaces and empty lines */
 114                 while (*p && g_ascii_isspace(*p)) p++;
 115                 if (*p == '\n' || *p == '\r') continue;
 116
 117                 /* Parse comments */
 118                 if (*p == '#')
 119                         {
 120                         if (!need_header) continue;
 121                         if (strncasecmp(p, GQ_COLLECTION_MARKER, strlen(GQ_COLLECTION_MARKER)) == 0)
 122                                 {
 123                                 /* Looks like an official collection, allow unchecked input.
 124                                  * All this does is allow adding files that may not exist,
 125                                  * which is needed for the collection manager to work.
 126                                  * Also unofficial files abort after too many invalid entries.
 127                                  */
 128                                 has_official_header = TRUE;
 129                                 limit_failures = FALSE;
 130                                 }
 131                         else if (strncmp(p, "#geometry:", 10 ) == 0 &&
 132                                  scan_geometry(p + 10, &cd->window_x, &cd->window_y, &cd->window_w, &cd->window_h))
 133                                 {
 134                                 has_geometry_header = TRUE;
 135                                 cd->window_read = TRUE;
 136                                 if (only_geometry) break;
 137                                 }
 138                         else if (strncasecmp(p, "#GQview collection", strlen("#GQview collection")) == 0)
 139                                 {
 140                                 /* As 2008/04/15 there is no difference between our collection file format
 141                                  * and GQview 2.1.5 collection file format so ignore failures as well. */
 142                                 has_gqview_header = TRUE;
 143                                 limit_failures = FALSE;
 144                                 }
 145                         need_header = (!has_official_header && !has_gqview_header) || !has_geometry_header;
 146                         continue;
 147                         }
 148
 149                 /* Read filenames */
 150                 buf = quoted_value(p, NULL);
 151                 if (buf)
 152                         {
 153                         gint valid;
 154
 155                         if (!flush)
 156                                 changed |= collect_manager_process_action(entry, &buf);
 157
 158                         valid = (buf[0] == '/' && collection_add_check(cd, file_data_new_simple(buf), FALSE, TRUE));
 159                         if (debug && !valid) printf("collection invalid file: %s\n", buf);
 160                         g_free(buf);
 161
 162                         total++;
 163                         if (!valid)
 164                                 {
 165                                 fail++;
 166                                 if (limit_failures &&
 167                                     fail > GQ_COLLECTION_FAIL_MIN &&
 168                                     fail * 100 / total > GQ_COLLECTION_FAIL_PERCENT)
 169                                         {
 170                                         printf("%d invalid filenames in unofficial collection file, closing: %s\n", fail, path);
 171                                         success = FALSE;
 172                                         break;
 173                                         }
 174                                 }
 175                         }
 176                 }
 177
 178         if (debug) printf("collection files: total = %d fail = %d official=%d gqview=%d geometry=%d\n",
 179                           total, fail, has_official_header, has_gqview_header, has_geometry_header);
 180
 181         fclose(f);
 182         if (only_geometry) return has_geometry_header;
 183
 184         if (!flush)
 185                 {
 186                 gchar *buf = NULL;
 187                 while (collect_manager_process_action(entry, &buf))
 188                         {
 189                         collection_add_check(cd, file_data_new_simple(buf), FALSE, TRUE);
 190                         changed = TRUE;
 191                         g_free(buf);
 192                         }
 193                 }
 194
 195         cd->list = collection_list_sort(cd->list, cd->sort_method);
 196
 197         if (!flush && changed && success)
 198                 collection_save_private(cd, path);
 199
 200         if (!flush)
 201                 collect_manager_entry_reset(entry);
 202
 203         if (!append) cd->changed = FALSE;
 204
 205         return success;
 206 }
 207
 208 gint collection_load(CollectionData *cd, const gchar *path, CollectionLoadFlags flags)
 209 {
 210         if (collection_load_private(cd, path, flags | COLLECTION_LOAD_FLUSH))
 211                 {
 212                 layout_recent_add_path(cd->path);
 213                 return TRUE;
 214                 }
 215
 216         return FALSE;
 217 }
 218
 219 static void collection_load_thumb_do(CollectionData *cd)
 220 {
 221         GdkPixbuf *pixbuf;
 222
 223         if (!cd->thumb_loader || !g_list_find(cd->list, cd->thumb_info)) return;
 224
 225         pixbuf = thumb_loader_get_pixbuf(cd->thumb_loader, TRUE);
 226         collection_info_set_thumb(cd->thumb_info, pixbuf);
 227         g_object_unref(pixbuf);
 228
 229         if (cd->info_updated_func) cd->info_updated_func(cd, cd->thumb_info, cd->info_updated_data);
 230 }
 231
 232 static void collection_load_thumb_error_cb(ThumbLoader *tl, gpointer data)
 233 {
 234         CollectionData *cd = data;
 235
 236         collection_load_thumb_do(cd);
 237         collection_load_thumb_step(cd);
 238 }
 239
 240 static void collection_load_thumb_done_cb(ThumbLoader *tl, gpointer data)
 241 {
 242         CollectionData *cd = data;
 243
 244         collection_load_thumb_do(cd);
 245         collection_load_thumb_step(cd);
 246 }
 247
 248 static void collection_load_thumb_step(CollectionData *cd)
 249 {
 250         GList *work;
 251         CollectInfo *ci;
 252
 253         if (!cd->list)
 254                 {
 255                 collection_load_stop(cd);
 256                 return;
 257                 }
 258
 259         work = cd->list;
 260         ci = work->data;
 261         work = work->next;
 262         /* find first unloaded thumb */
 263         while (work && ci->pixbuf)
 264                 {
 265                 ci = work->data;
 266                 work = work->next;
 267                 }
 268
 269         if (!ci || ci->pixbuf)
 270                 {
 271                 /* done */
 272                 collection_load_stop(cd);
 273
 274                 /* send a NULL CollectInfo to notify end */
 275                 if (cd->info_updated_func) cd->info_updated_func(cd, NULL, cd->info_updated_data);
 276
 277                 return;
 278                 }
 279
 280         /* setup loader and call it */
 281         cd->thumb_info = ci;
 282         thumb_loader_free(cd->thumb_loader);
 283         cd->thumb_loader = thumb_loader_new(options->thumbnails.max_width, options->thumbnails.max_height);
 284         thumb_loader_set_callbacks(cd->thumb_loader,
 285                                    collection_load_thumb_done_cb,
 286                                    collection_load_thumb_error_cb,
 287                                    NULL,
 288                                    cd);
 289
 290         /* start it */
 291         if (!thumb_loader_start(cd->thumb_loader, ci->fd->path))
 292                 {
 293                 /* error, handle it, do next */
 294                 if (debug) printf("error loading thumb for %s\n", ci->fd->path);
 295                 collection_load_thumb_do(cd);
 296                 collection_load_thumb_step(cd);
 297                 }
 298 }
 299
 300 void collection_load_thumb_idle(CollectionData *cd)
 301 {
 302         if (!cd->thumb_loader) collection_load_thumb_step(cd);
 303 }
 304
 305 gint collection_load_begin(CollectionData *cd, const gchar *path, CollectionLoadFlags flags)
 306 {
 307         if (!collection_load(cd, path, flags)) return FALSE;
 308
 309         collection_load_thumb_idle(cd);
 310
 311         return TRUE;
 312 }
 313
 314 void collection_load_stop(CollectionData *cd)
 315 {
 316         if (!cd->thumb_loader) return;
 317
 318         thumb_loader_free(cd->thumb_loader);
 319         cd->thumb_loader = NULL;
 320 }
 321
 322 static gint collection_save_private(CollectionData *cd, const gchar *path)
 323 {
 324         SecureSaveInfo *ssi;
 325         GList *work;
 326         gchar *pathl;
 327
 328         if (!path && !cd->path) return FALSE;
 329
 330         if (!path)
 331                 {
 332                 path = cd->path;
 333                 }
 334
 335
 336         pathl = path_from_utf8(path);
 337         ssi = secure_open(pathl);
 338         g_free(pathl);
 339         if (!ssi)
 340                 {
 341                 printf_term(_("failed to open collection (write) \"%s\"\n"), path);
 342                 return FALSE;
 343                 }
 344
 345         secure_fprintf(ssi, "%s collection\n", GQ_COLLECTION_MARKER);
 346         secure_fprintf(ssi, "#created with %s version %s\n", GQ_APPNAME, VERSION);
 347
 348         collection_update_geometry(cd);
 349         if (cd->window_read)
 350                 {
 351                 secure_fprintf(ssi, "#geometry: %d %d %d %d\n", cd->window_x, cd->window_y, cd->window_w, cd->window_h);
 352                 }
 353
 354         work = cd->list;
 355         while (work && secsave_errno == SS_ERR_NONE)
 356                 {
 357                 CollectInfo *ci = work->data;
 358                 secure_fprintf(ssi, "\"%s\"\n", ci->fd->path);
 359                 work = work->next;
 360                 }
 361
 362         secure_fprintf(ssi, "#end\n");
 363
 364         if (secure_close(ssi))
 365                 {
 366                 printf_term(_("error saving collection file: %s\nerror: %s\n"), path,
 367                             secsave_strerror(secsave_errno));
 368                 return FALSE;
 369                 }
 370
 371         if (!cd->path || strcmp(path, cd->path) != 0)
 372                 {
 373                 gchar *buf = cd->path;
 374                 cd->path = g_strdup(path);
 375                 path = cd->path;
 376                 g_free(buf);
 377
 378                 g_free(cd->name);
 379                 cd->name = g_strdup(filename_from_path(cd->path));
 380
 381                 collection_path_changed(cd);
 382                 }
 383
 384         cd->changed = FALSE;
 385
 386         return TRUE;
 387 }
 388
 389 gint collection_save(CollectionData *cd, const gchar *path)
 390 {
 391         if (collection_save_private(cd, path))
 392                 {
 393                 layout_recent_add_path(cd->path);
 394                 return TRUE;
 395                 }
 396
 397         return FALSE;
 398 }
 399
 400 gint collection_load_only_geometry(CollectionData *cd, const gchar *path)
 401 {
 402         return collection_load(cd, path, COLLECTION_LOAD_GEOMETRY);
 403 }
 404
 405
 406 /*
 407  *-------------------------------------------------------------------
 408  * collection manager
 409  *-------------------------------------------------------------------
 410  */
 411
 412 #define COLLECT_MANAGER_ACTIONS_PER_IDLE 1000
 413 #define COLLECT_MANAGER_FLUSH_DELAY      10000
 414
 415 struct _CollectManagerEntry
 416 {
 417         gchar *path;
 418         GList *add_list;
 419         GHashTable *oldpath_hash;
 420         GHashTable *newpath_hash;
 421         gboolean empty;
 422 };
 423
 424 typedef enum {
 425         COLLECTION_MANAGER_UPDATE,
 426         COLLECTION_MANAGER_ADD,
 427         COLLECTION_MANAGER_REMOVE
 428 } CollectManagerType;
 429
 430 typedef struct _CollectManagerAction CollectManagerAction;
 431 struct _CollectManagerAction
 432 {
 433         gchar *oldpath;
 434         gchar *newpath;
 435
 436         CollectManagerType type;
 437
 438         gint ref;
 439 };
 440
 441
 442 static GList *collection_manager_entry_list = NULL;
 443 static GList *collection_manager_action_list = NULL;
 444 static GList *collection_manager_action_tail = NULL;
 445 static gint collection_manager_timer_id = -1;
 446
 447
 448 static CollectManagerAction *collect_manager_action_new(const gchar *oldpath, const gchar *newpath,
 449                                                         CollectManagerType type)
 450 {
 451         CollectManagerAction *action;
 452
 453         action = g_new0(CollectManagerAction, 1);
 454         action->ref = 1;
 455
 456         action->oldpath = g_strdup(oldpath);
 457         action->newpath = g_strdup(newpath);
 458
 459         action->type = type;
 460
 461         return action;
 462 }
 463
 464 static void collect_manager_action_ref(CollectManagerAction *action)
 465 {
 466         action->ref++;
 467 }
 468
 469 static void collect_manager_action_unref(CollectManagerAction *action)
 470 {
 471         action->ref--;
 472
 473         if (action->ref > 0) return;
 474
 475         g_free(action->oldpath);
 476         g_free(action->newpath);
 477         g_free(action);
 478 }
 479
 480 static void collect_manager_entry_free_data(CollectManagerEntry *entry)
 481 {
 482         GList *work;
 483
 484         work = entry->add_list;
 485         while (work)
 486                 {
 487                 CollectManagerAction *action;
 488
 489                 action = work->data;
 490                 work = work->next;
 491
 492                 collect_manager_action_unref(action);
 493                 }
 494         g_list_free(entry->add_list);
 495         g_hash_table_destroy(entry->oldpath_hash);
 496         g_hash_table_destroy(entry->newpath_hash);
 497 }
 498
 499 static void collect_manager_entry_init_data(CollectManagerEntry *entry)
 500 {
 501         entry->add_list = NULL;
 502         entry->oldpath_hash = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, (GDestroyNotify) collect_manager_action_unref);
 503         entry->newpath_hash = g_hash_table_new(g_str_hash, g_str_equal);
 504         entry->empty = TRUE;
 505
 506 }
 507
 508 static CollectManagerEntry *collect_manager_entry_new(const gchar *path)
 509 {
 510         CollectManagerEntry *entry;
 511
 512         entry = g_new0(CollectManagerEntry, 1);
 513         entry->path = g_strdup(path);
 514         collect_manager_entry_init_data(entry);
 515
 516         collection_manager_entry_list = g_list_append(collection_manager_entry_list, entry);
 517
 518         return entry;
 519 }
 520
 521
 522 static void collect_manager_entry_free(CollectManagerEntry *entry)
 523 {
 524         collection_manager_entry_list = g_list_remove(collection_manager_entry_list, entry);
 525
 526         collect_manager_entry_free_data(entry);
 527
 528         g_free(entry->path);
 529         g_free(entry);
 530 }
 531
 532 static void collect_manager_entry_reset(CollectManagerEntry *entry)
 533 {
 534         collect_manager_entry_free_data(entry);
 535         collect_manager_entry_init_data(entry);
 536 }
 537
 538 static CollectManagerEntry *collect_manager_get_entry(const gchar *path)
 539 {
 540         GList *work;
 541
 542         work = collection_manager_entry_list;
 543         while (work)
 544                 {
 545                 CollectManagerEntry *entry;
 546
 547                 entry = work->data;
 548                 work = work->next;
 549                 if (strcmp(entry->path, path) == 0)
 550                         {
 551                         return entry;
 552                         }
 553                 }
 554         return NULL;
 555
 556 }
 557
 558 static void collect_manager_entry_add_action(CollectManagerEntry *entry, CollectManagerAction *action)
 559 {
 560
 561         CollectManagerAction *orig_action;
 562
 563         entry->empty = FALSE;
 564
 565         if (action->oldpath == NULL)
 566                 {
 567                 /* add file */
 568                 if (action->newpath == NULL)
 569                         {
 570                         return;
 571                         }
 572
 573                 orig_action = g_hash_table_lookup(entry->newpath_hash, action->newpath);
 574                 if (orig_action)
 575                         {
 576                         /* target already exists */
 577                         printf("collection manager failed to add another action for target %s in collection %s\n",
 578                                 action->newpath, entry->path);
 579                         return;
 580                         }
 581                 entry->add_list = g_list_append(entry->add_list, action);
 582                 g_hash_table_insert(entry->newpath_hash, action->newpath, action);
 583                 collect_manager_action_ref(action);
 584                 return;
 585                 }
 586
 587         orig_action = g_hash_table_lookup(entry->newpath_hash, action->oldpath);
 588         if (orig_action)
 589                 {
 590                 /* new action with the same file */
 591                 CollectManagerAction *new_action = collect_manager_action_new(orig_action->oldpath, action->newpath, action->type);
 592
 593                 if (new_action->oldpath)
 594                         {
 595                         g_hash_table_steal(entry->oldpath_hash, orig_action->oldpath);
 596                         g_hash_table_insert(entry->oldpath_hash, new_action->oldpath, new_action);
 597                         }
 598                 else
 599                         {
 600                         GList *work = g_list_find(entry->add_list, orig_action);
 601                         work->data = new_action;
 602                         }
 603
 604                 g_hash_table_steal(entry->newpath_hash, orig_action->newpath);
 605                 if (new_action->newpath)
 606                         {
 607                         g_hash_table_insert(entry->newpath_hash, new_action->newpath, new_action);
 608                         }
 609                 collect_manager_action_unref(orig_action);
 610                 return;
 611                 }
 612
 613
 614         orig_action = g_hash_table_lookup(entry->oldpath_hash, action->oldpath);
 615         if (orig_action)
 616                 {
 617                 /* another action for the same source, ignore */
 618                 printf("collection manager failed to add another action for source %s in collection %s\n",
 619                         action->oldpath, entry->path);
 620                 return;
 621                 }
 622
 623         g_hash_table_insert(entry->oldpath_hash, action->oldpath, action);
 624         if (action->newpath)
 625                 {
 626                 g_hash_table_insert(entry->newpath_hash, action->newpath, action);
 627                 }
 628         collect_manager_action_ref(action);
 629 }
 630
 631 static gint collect_manager_process_action(CollectManagerEntry *entry, gchar **path_ptr)
 632 {
 633         gchar *path = *path_ptr;
 634         CollectManagerAction *action;
 635
 636         if (path == NULL)
 637                 {
 638                 /* get new files */
 639                 if (entry->add_list)
 640                         {
 641                         action = entry->add_list->data;
 642                         g_assert(action->oldpath == NULL);
 643                         entry->add_list = g_list_remove(entry->add_list, action);
 644                         path = g_strdup(action->newpath);
 645                         g_hash_table_remove(entry->newpath_hash, path);
 646                         collect_manager_action_unref(action);
 647                         }
 648                 *path_ptr = path;
 649                 return (path != NULL);
 650                 }
 651
 652         action = g_hash_table_lookup(entry->oldpath_hash, path);
 653
 654         if (action)
 655                 {
 656                 g_free(path);
 657                 path = g_strdup(action->newpath);
 658                 *path_ptr = path;
 659                 return TRUE;
 660                 }
 661
 662         return FALSE; /* no change */
 663 }
 664
 665 static void collect_manager_refresh(void)
 666 {
 667         GList *list = NULL;
 668         GList *work;
 669         gchar *base;
 670
 671         base = g_strconcat(homedir(), "/", GQ_RC_DIR_COLLECTIONS, NULL);
 672         path_list(base, &list, NULL);
 673         g_free(base);
 674
 675         work = collection_manager_entry_list;
 676         while (work && list)
 677                 {
 678                 CollectManagerEntry *entry;
 679                 GList *list_step;
 680
 681                 entry = work->data;
 682                 work = work->next;
 683
 684                 list_step = list;
 685                 while (list_step && entry)
 686                         {
 687                         gchar *path;
 688
 689                         path = list_step->data;
 690                         list_step = list_step->next;
 691
 692                         if (strcmp(path, entry->path) == 0)
 693                                 {
 694                                 list = g_list_remove(list, path);
 695                                 g_free(path);
 696
 697                                 entry = NULL;
 698                                 }
 699                         else
 700                                 {
 701                                 collect_manager_entry_free(entry);
 702                                 }
 703                         }
 704                 }
 705
 706         work = list;
 707         while (work)
 708                 {
 709                 gchar *path;
 710
 711                 path = work->data;
 712                 work = work->next;
 713
 714                 collect_manager_entry_new(path);
 715                 g_free(path);
 716                 }
 717
 718         g_list_free(list);
 719 }
 720
 721 static void collect_manager_process_actions(gint max)
 722 {
 723         if (debug && collection_manager_action_list)
 724                 {
 725                 printf("collection manager processing actions\n");
 726                 }
 727
 728         while (collection_manager_action_list != NULL && max > 0)
 729                 {
 730                 CollectManagerAction *action;
 731                 GList *work;
 732
 733                 action = collection_manager_action_list->data;
 734                 work = collection_manager_entry_list;
 735                 while (work)
 736                         {
 737                         CollectManagerEntry *entry;
 738
 739                         entry = work->data;
 740                         work = work->next;
 741
 742                         if (action->type == COLLECTION_MANAGER_UPDATE)
 743                                 {
 744                                 collect_manager_entry_add_action(entry, action);
 745                                 }
 746                         else if (action->oldpath && action->newpath &&
 747                                  strcmp(action->newpath, entry->path) == 0)
 748                                 {
 749                                 /* convert action to standard add format */
 750                                 g_free(action->newpath);
 751                                 if (action->type == COLLECTION_MANAGER_ADD)
 752                                         {
 753                                         action->newpath = action->oldpath;
 754                                         action->oldpath = NULL;
 755                                         }
 756                                 else if (action->type == COLLECTION_MANAGER_REMOVE)
 757                                         {
 758                                         action->newpath = NULL;
 759                                         }
 760                                 collect_manager_entry_add_action(entry, action);
 761                                 }
 762
 763                         max--;
 764                         }
 765
 766                 if (action->type != COLLECTION_MANAGER_UPDATE &&
 767                     action->oldpath && action->newpath)
 768                         {
 769                         printf("collection manager failed to %s %s for collection %s\n",
 770                                 (action->type == COLLECTION_MANAGER_ADD) ? "add" : "remove",
 771                                 action->oldpath, action->newpath);
 772                         }
 773
 774                 if (collection_manager_action_tail == collection_manager_action_list)
 775                         {
 776                         collection_manager_action_tail = NULL;
 777                         }
 778                 collection_manager_action_list = g_list_remove(collection_manager_action_list, action);
 779                 collect_manager_action_unref(action);
 780                 }
 781 }
 782
 783 static gint collect_manager_process_entry(CollectManagerEntry *entry)
 784 {
 785         CollectionData *cd;
 786         gint success;
 787
 788         if (entry->empty) return FALSE;
 789
 790         cd = collection_new(entry->path);
 791         success = collection_load_private(cd, entry->path, COLLECTION_LOAD_NONE);
 792
 793         collection_unref(cd);
 794
 795         return TRUE;
 796 }
 797
 798 static gint collect_manager_process_entry_list(void)
 799 {
 800         GList *work;
 801
 802         work = collection_manager_entry_list;
 803         while (work)
 804                 {
 805                 CollectManagerEntry *entry;
 806
 807                 entry = work->data;
 808                 work = work->next;
 809                 if (collect_manager_process_entry(entry)) return TRUE;
 810                 }
 811
 812         return FALSE;
 813 }
 814
 815
 816
 817 static gint collect_manager_process_cb(gpointer data)
 818 {
 819         if (collection_manager_action_list) collect_manager_refresh();
 820         collect_manager_process_actions(COLLECT_MANAGER_ACTIONS_PER_IDLE);
 821         if (collection_manager_action_list) return TRUE;
 822
 823         if (collect_manager_process_entry_list()) return TRUE;
 824
 825         if (debug) printf("collection manager is up to date\n");
 826         return FALSE;
 827 }
 828
 829 static gint collect_manager_timer_cb(gpointer data)
 830 {
 831         if (debug) printf("collection manager timer expired\n");
 832
 833         g_idle_add_full(G_PRIORITY_LOW, collect_manager_process_cb, NULL, NULL);
 834
 835         collection_manager_timer_id = -1;
 836         return FALSE;
 837 }
 838
 839 static void collect_manager_timer_push(gint stop)
 840 {
 841         if (collection_manager_timer_id != -1)
 842                 {
 843                 if (!stop) return;
 844
 845                 g_source_remove(collection_manager_timer_id);
 846                 collection_manager_timer_id = -1;
 847                 }
 848
 849         if (!stop)
 850                 {
 851                 collection_manager_timer_id = g_timeout_add(COLLECT_MANAGER_FLUSH_DELAY,
 852                                                             collect_manager_timer_cb, NULL);
 853                 if (debug) printf("collection manager timer started\n");
 854                 }
 855 }
 856
 857 static void collect_manager_add_action(CollectManagerAction *action)
 858 {
 859         if (!action) return;
 860
 861         /* we keep track of the list's tail to keep this a n(1) operation */
 862
 863         if (collection_manager_action_tail)
 864                 {
 865                 collection_manager_action_tail = g_list_append(collection_manager_action_tail, action);
 866                 collection_manager_action_tail = collection_manager_action_tail->next;
 867                 }
 868         else
 869                 {
 870                 collection_manager_action_list = g_list_append(collection_manager_action_list, action);
 871                 collection_manager_action_tail = collection_manager_action_list;
 872                 }
 873
 874         collect_manager_timer_push(FALSE);
 875 }
 876
 877 void collect_manager_moved(FileData *fd)
 878 {
 879         CollectManagerAction *action;
 880         const gchar *oldpath = fd->change->source;
 881         const gchar *newpath = fd->change->dest;
 882
 883         action = collect_manager_action_new(oldpath, newpath, COLLECTION_MANAGER_UPDATE);
 884         collect_manager_add_action(action);
 885 }
 886
 887 void collect_manager_add(FileData *fd, const gchar *collection)
 888 {
 889         CollectManagerAction *action;
 890         CollectWindow *cw;
 891
 892         if (!fd || !collection) return;
 893
 894         cw = collection_window_find_by_path(collection);
 895         if (cw)
 896                 {
 897                 if (collection_list_find(cw->cd->list, fd->path) == NULL)
 898                         {
 899                         collection_add(cw->cd, fd, FALSE);
 900                         }
 901                 return;
 902                 }
 903
 904         action = collect_manager_action_new(fd->path, collection, COLLECTION_MANAGER_ADD);
 905         collect_manager_add_action(action);
 906 }
 907
 908 void collect_manager_remove(FileData *fd, const gchar *collection)
 909 {
 910         CollectManagerAction *action;
 911         CollectWindow *cw;
 912
 913         if (!fd || !collection) return;
 914
 915         cw = collection_window_find_by_path(collection);
 916         if (cw)
 917                 {
 918                 while (collection_remove(cw->cd, fd));
 919                 return;
 920                 }
 921
 922         action = collect_manager_action_new(fd->path, collection, COLLECTION_MANAGER_REMOVE);
 923         collect_manager_add_action(action);
 924 }
 925
 926 void collect_manager_flush(void)
 927 {
 928         collect_manager_timer_push(TRUE);
 929
 930         if (debug) printf("collection manager flushing\n");
 931         while (collect_manager_process_cb(NULL));
 932 }