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
  30 typedef struct _CollectManagerEntry CollectManagerEntry;
  31
  32 static void collection_load_thumb_step(CollectionData *cd);
  33 static gint collection_save_private(CollectionData *cd, const gchar *path);
  34
  35 static CollectManagerEntry *collect_manager_get_entry(const gchar *path);
  36 static void collect_manager_entry_reset(CollectManagerEntry *entry);
  37 static gint collect_manager_process_action(CollectManagerEntry *entry, gchar **path_ptr);
  38
  39
  40 static gint scan_geometry(gchar *buffer, gint *x, gint *y, gint *w, gint *h)
  41 {
  42         gint nx, ny, nw, nh;
  43
  44         if(sscanf(buffer, "%d %d %d %d", &nx, &ny, &nw, &nh) != 4) return FALSE;
  45
  46         *x = nx;
  47         *y = ny;
  48         *w = nw;
  49         *h = nh;
  50
  51         return TRUE;
  52 }
  53
  54 static gint collection_load_private(CollectionData *cd, const gchar *path, CollectionLoadFlags flags)
  55 {
  56         gchar s_buf[2048];
  57         FILE *f;
  58         gchar *pathl;
  59         gint official = FALSE;
  60         gint success = TRUE;
  61         guint total = 0;
  62         guint fail = 0;
  63         gboolean changed = FALSE;
  64         CollectManagerEntry *entry = NULL;
  65         guint flush = flags & COLLECTION_LOAD_FLUSH;
  66         guint append = flags & COLLECTION_LOAD_APPEND;
  67
  68         collection_load_stop(cd);
  69
  70         if (flush)
  71                 collect_manager_flush();
  72         else
  73                 entry = collect_manager_get_entry(path);
  74
  75         if (!append)
  76                 {
  77                 collection_list_free(cd->list);
  78                 cd->list = NULL;
  79                 }
  80
  81         if (!path && !cd->path) return FALSE;
  82
  83         if (!path) path = cd->path;
  84
  85         /* load it */
  86         pathl = path_from_utf8(path);
  87         f = fopen(pathl, "r");
  88         g_free(pathl);
  89         if (!f)
  90                 {
  91                 printf("Failed to open collection file: \"%s\"\n", path);
  92                 return FALSE;
  93                 }
  94
  95         while (fgets(s_buf, sizeof(s_buf), f))
  96                 {
  97                 gchar *buf;
  98                 if (s_buf[0]=='#')
  99                         {
 100                         if (strncasecmp(s_buf, GQ_COLLECTION_MARKER, strlen(GQ_COLLECTION_MARKER)) == 0)
 101                                 {
 102                                 /* Looks like an official collection, allow unchecked input.
 103                                  * All this does is allow adding files that may not exist,
 104                                  * which is needed for the collection manager to work.
 105                                  * Also unofficial files abort after too many invalid entries.
 106                                  */
 107                                 official = TRUE;
 108                                 }
 109                         else if (strncmp(s_buf, "#geometry:", 10 ) == 0 &&
 110                             scan_geometry(s_buf + 10, &cd->window_x, &cd->window_y, &cd->window_w, &cd->window_h) )
 111                                 {
 112                                 cd->window_read = TRUE;
 113                                 }
 114                         continue;
 115                         }
 116                 if (s_buf[0]=='\n') continue;
 117
 118                 buf = quoted_value(s_buf, NULL);
 119                 if (buf)
 120                         {
 121                         gint valid;
 122
 123                         if (!flush)
 124                                 changed |= collect_manager_process_action(entry, &buf);
 125
 126                         valid = (buf[0] == '/' && collection_add_check(cd, file_data_new_simple(buf), FALSE, TRUE));
 127                         g_free(buf);
 128
 129                         total++;
 130                         if (!valid && !official)
 131                                 {
 132                                 fail++;
 133                                 if (fail > GQ_COLLECTION_FAIL_MIN &&
 134                                     fail * 100 / total > GQ_COLLECTION_FAIL_PERCENT)
 135                                         {
 136                                         printf("Too many invalid filenames in unoffical collection file, closing: %s\n", path);
 137                                         success = FALSE;
 138                                         break;
 139                                         }
 140                                 }
 141                         }
 142                 }
 143
 144         fclose(f);
 145
 146         if (!flush)
 147                 {
 148                 gchar *buf = NULL;
 149                 while (collect_manager_process_action(entry, &buf))
 150                         {
 151                         collection_add_check(cd, file_data_new_simple(buf), FALSE, TRUE);
 152                         changed = TRUE;
 153                         g_free(buf);
 154                         }
 155                 }
 156
 157         cd->list = collection_list_sort(cd->list, cd->sort_method);
 158
 159         if (!flush && changed && success)
 160                 collection_save_private(cd, path);
 161
 162         if (!flush)
 163                 collect_manager_entry_reset(entry);
 164
 165         if (!append) cd->changed = FALSE;
 166
 167         return success;
 168 }
 169
 170 gint collection_load(CollectionData *cd, const gchar *path, CollectionLoadFlags flags)
 171 {
 172         if (collection_load_private(cd, path, flags | COLLECTION_LOAD_FLUSH))
 173                 {
 174                 layout_recent_add_path(cd->path);
 175                 return TRUE;
 176                 }
 177
 178         return FALSE;
 179 }
 180
 181 static void collection_load_thumb_do(CollectionData *cd)
 182 {
 183         GdkPixbuf *pixbuf;
 184
 185         if (!cd->thumb_loader || !g_list_find(cd->list, cd->thumb_info)) return;
 186
 187         pixbuf = thumb_loader_get_pixbuf(cd->thumb_loader, TRUE);
 188         collection_info_set_thumb(cd->thumb_info, pixbuf);
 189         g_object_unref(pixbuf);
 190
 191         if (cd->info_updated_func) cd->info_updated_func(cd, cd->thumb_info, cd->info_updated_data);
 192 }
 193
 194 static void collection_load_thumb_error_cb(ThumbLoader *tl, gpointer data)
 195 {
 196         CollectionData *cd = data;
 197
 198         collection_load_thumb_do(cd);
 199         collection_load_thumb_step(cd);
 200 }
 201
 202 static void collection_load_thumb_done_cb(ThumbLoader *tl, gpointer data)
 203 {
 204         CollectionData *cd = data;
 205
 206         collection_load_thumb_do(cd);
 207         collection_load_thumb_step(cd);
 208 }
 209
 210 static void collection_load_thumb_step(CollectionData *cd)
 211 {
 212         GList *work;
 213         CollectInfo *ci;
 214
 215         if (!cd->list)
 216                 {
 217                 collection_load_stop(cd);
 218                 return;
 219                 }
 220
 221         work = cd->list;
 222         ci = work->data;
 223         work = work->next;
 224         /* find first unloaded thumb */
 225         while (work && ci->pixbuf)
 226                 {
 227                 ci = work->data;
 228                 work = work->next;
 229                 }
 230
 231         if (!ci || ci->pixbuf)
 232                 {
 233                 /* done */
 234                 collection_load_stop(cd);
 235
 236                 /* send a NULL CollectInfo to notify end */
 237                 if (cd->info_updated_func) cd->info_updated_func(cd, NULL, cd->info_updated_data);
 238
 239                 return;
 240                 }
 241
 242         /* setup loader and call it */
 243         cd->thumb_info = ci;
 244         thumb_loader_free(cd->thumb_loader);
 245         cd->thumb_loader = thumb_loader_new(options->thumbnails.max_width, options->thumbnails.max_height);
 246         thumb_loader_set_callbacks(cd->thumb_loader,
 247                                    collection_load_thumb_done_cb,
 248                                    collection_load_thumb_error_cb,
 249                                    NULL,
 250                                    cd);
 251
 252         /* start it */
 253         if (!thumb_loader_start(cd->thumb_loader, ci->fd->path))
 254                 {
 255                 /* error, handle it, do next */
 256                 if (debug) printf("error loading thumb for %s\n", ci->fd->path);
 257                 collection_load_thumb_do(cd);
 258                 collection_load_thumb_step(cd);
 259                 }
 260 }
 261
 262 void collection_load_thumb_idle(CollectionData *cd)
 263 {
 264         if (!cd->thumb_loader) collection_load_thumb_step(cd);
 265 }
 266
 267 gint collection_load_begin(CollectionData *cd, const gchar *path, CollectionLoadFlags flags)
 268 {
 269         if (!collection_load(cd, path, flags)) return FALSE;
 270
 271         collection_load_thumb_idle(cd);
 272
 273         return TRUE;
 274 }
 275
 276 void collection_load_stop(CollectionData *cd)
 277 {
 278         if (!cd->thumb_loader) return;
 279
 280         thumb_loader_free(cd->thumb_loader);
 281         cd->thumb_loader = NULL;
 282 }
 283
 284 static gint collection_save_private(CollectionData *cd, const gchar *path)
 285 {
 286         SecureSaveInfo *ssi;
 287         GList *work;
 288         gchar *pathl;
 289
 290         if (!path && !cd->path) return FALSE;
 291
 292         if (!path)
 293                 {
 294                 path = cd->path;
 295                 }
 296
 297
 298         pathl = path_from_utf8(path);
 299         ssi = secure_open(pathl);
 300         g_free(pathl);
 301         if (!ssi)
 302                 {
 303                 gchar *buf;
 304
 305                 buf = g_strdup_printf(_("failed to open collection (write) \"%s\"\n"), path);
 306                 print_term(buf);
 307                 g_free(buf);
 308                 return FALSE;
 309                 }
 310
 311         secure_fprintf(ssi, "%s collection\n", GQ_COLLECTION_MARKER);
 312         secure_fprintf(ssi, "#created with %s version %s\n", GQ_APPNAME, VERSION);
 313
 314         collection_update_geometry(cd);
 315         if (cd->window_read)
 316                 {
 317                 secure_fprintf(ssi, "#geometry: %d %d %d %d\n", cd->window_x, cd->window_y, cd->window_w, cd->window_h);
 318                 }
 319
 320         work = cd->list;
 321         while (work && secsave_errno == SS_ERR_NONE)
 322                 {
 323                 CollectInfo *ci = work->data;
 324                 secure_fprintf(ssi, "\"%s\"\n", ci->fd->path);
 325                 work = work->next;
 326                 }
 327
 328         secure_fprintf(ssi, "#end\n");
 329
 330         if (secure_close(ssi))
 331                 {
 332                 gchar *buf;
 333
 334                 buf = g_strdup_printf(_("error saving collection file: %s\nerror: %s\n"), path,
 335                                       secsave_strerror(secsave_errno));
 336                 print_term(buf);
 337                 g_free(buf);
 338                 return FALSE;
 339                 }
 340
 341         if (!cd->path || strcmp(path, cd->path) != 0)
 342                 {
 343                 gchar *buf = cd->path;
 344                 cd->path = g_strdup(path);
 345                 path = cd->path;
 346                 g_free(buf);
 347
 348                 g_free(cd->name);
 349                 cd->name = g_strdup(filename_from_path(cd->path));
 350
 351                 collection_path_changed(cd);
 352                 }
 353
 354         cd->changed = FALSE;
 355
 356         return TRUE;
 357 }
 358
 359 gint collection_save(CollectionData *cd, const gchar *path)
 360 {
 361         if (collection_save_private(cd, path))
 362                 {
 363                 layout_recent_add_path(cd->path);
 364                 return TRUE;
 365                 }
 366
 367         return FALSE;
 368 }
 369
 370 gint collection_load_only_geometry(CollectionData *cd, const gchar *path)
 371 {
 372         gchar s_buf[2048];
 373         FILE *f;
 374         gchar *pathl;
 375
 376         if (!path && !cd->path) return FALSE;
 377
 378         if (!path) path = cd->path;
 379
 380         /* load it */
 381         pathl = path_from_utf8(path);
 382         f = fopen(pathl, "r");
 383         g_free(pathl);
 384         if (!f) return FALSE;
 385
 386         while (fgets(s_buf, sizeof(s_buf), f))
 387                 {
 388                 if (s_buf[0]=='#' &&
 389                     strncmp(s_buf, "#geometry:", 10 ) == 0 &&
 390                     scan_geometry(s_buf + 10, &cd->window_x, &cd->window_y, &cd->window_w, &cd->window_h) )
 391                         {
 392                         cd->window_read = TRUE;
 393                         fclose(f);
 394                         return TRUE;
 395                         }
 396                 }
 397         fclose(f);
 398         return FALSE;
 399 }
 400
 401
 402 /*
 403  *-------------------------------------------------------------------
 404  * collection manager
 405  *-------------------------------------------------------------------
 406  */
 407
 408 #define COLLECT_MANAGER_ACTIONS_PER_IDLE 1000
 409 #define COLLECT_MANAGER_FLUSH_DELAY      10000
 410
 411 struct _CollectManagerEntry
 412 {
 413         gchar *path;
 414         GList *add_list;
 415         GHashTable *oldpath_hash;
 416         GHashTable *newpath_hash;
 417         gboolean empty;
 418 };
 419
 420 typedef enum {
 421         COLLECTION_MANAGER_UPDATE,
 422         COLLECTION_MANAGER_ADD,
 423         COLLECTION_MANAGER_REMOVE
 424 } CollectManagerType;
 425
 426 typedef struct _CollectManagerAction CollectManagerAction;
 427 struct _CollectManagerAction
 428 {
 429         gchar *oldpath;
 430         gchar *newpath;
 431
 432         CollectManagerType type;
 433
 434         gint ref;
 435 };
 436
 437
 438 static GList *collection_manager_entry_list = NULL;
 439 static GList *collection_manager_action_list = NULL;
 440 static GList *collection_manager_action_tail = NULL;
 441 static gint collection_manager_timer_id = -1;
 442
 443
 444 static CollectManagerAction *collect_manager_action_new(const gchar *oldpath, const gchar *newpath,
 445                                                         CollectManagerType type)
 446 {
 447         CollectManagerAction *action;
 448
 449         action = g_new0(CollectManagerAction, 1);
 450         action->ref = 1;
 451
 452         action->oldpath = g_strdup(oldpath);
 453         action->newpath = g_strdup(newpath);
 454
 455         action->type = type;
 456
 457         return action;
 458 }
 459
 460 static void collect_manager_action_ref(CollectManagerAction *action)
 461 {
 462         action->ref++;
 463 }
 464
 465 static void collect_manager_action_unref(CollectManagerAction *action)
 466 {
 467         action->ref--;
 468
 469         if (action->ref > 0) return;
 470
 471         g_free(action->oldpath);
 472         g_free(action->newpath);
 473         g_free(action);
 474 }
 475
 476 static void collect_manager_entry_free_data(CollectManagerEntry *entry)
 477 {
 478         GList *work;
 479
 480         work = entry->add_list;
 481         while (work)
 482                 {
 483                 CollectManagerAction *action;
 484
 485                 action = work->data;
 486                 work = work->next;
 487
 488                 collect_manager_action_unref(action);
 489                 }
 490         g_list_free(entry->add_list);
 491         g_hash_table_destroy(entry->oldpath_hash);
 492         g_hash_table_destroy(entry->newpath_hash);
 493 }
 494
 495 static void collect_manager_entry_init_data(CollectManagerEntry *entry)
 496 {
 497         entry->add_list = NULL;
 498         entry->oldpath_hash = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, (GDestroyNotify) collect_manager_action_unref);
 499         entry->newpath_hash = g_hash_table_new(g_str_hash, g_str_equal);
 500         entry->empty = TRUE;
 501
 502 }
 503
 504 static CollectManagerEntry *collect_manager_entry_new(const gchar *path)
 505 {
 506         CollectManagerEntry *entry;
 507
 508         entry = g_new0(CollectManagerEntry, 1);
 509         entry->path = g_strdup(path);
 510         collect_manager_entry_init_data(entry);
 511
 512         collection_manager_entry_list = g_list_append(collection_manager_entry_list, entry);
 513
 514         return entry;
 515 }
 516
 517
 518 static void collect_manager_entry_free(CollectManagerEntry *entry)
 519 {
 520         collection_manager_entry_list = g_list_remove(collection_manager_entry_list, entry);
 521
 522         collect_manager_entry_free_data(entry);
 523
 524         g_free(entry->path);
 525         g_free(entry);
 526 }
 527
 528 static void collect_manager_entry_reset(CollectManagerEntry *entry)
 529 {
 530         collect_manager_entry_free_data(entry);
 531         collect_manager_entry_init_data(entry);
 532 }
 533
 534 static CollectManagerEntry *collect_manager_get_entry(const gchar *path)
 535 {
 536         GList *work;
 537
 538         work = collection_manager_entry_list;
 539         while (work)
 540                 {
 541                 CollectManagerEntry *entry;
 542
 543                 entry = work->data;
 544                 work = work->next;
 545                 if (strcmp(entry->path, path) == 0)
 546                         {
 547                         return entry;
 548                         }
 549                 }
 550         return NULL;
 551
 552 }
 553
 554 static void collect_manager_entry_add_action(CollectManagerEntry *entry, CollectManagerAction *action)
 555 {
 556
 557         CollectManagerAction *orig_action;
 558
 559         entry->empty = FALSE;
 560
 561         if (action->oldpath == NULL)
 562                 {
 563                 /* add file */
 564                 if (action->newpath == NULL)
 565                         {
 566                         return;
 567                         }
 568
 569                 orig_action = g_hash_table_lookup(entry->newpath_hash, action->newpath);
 570                 if (orig_action)
 571                         {
 572                         /* target already exists */
 573                         printf("collection manager failed to add another action for target %s in collection %s\n",
 574                                 action->newpath, entry->path);
 575                         return;
 576                         }
 577                 entry->add_list = g_list_append(entry->add_list, action);
 578                 g_hash_table_insert(entry->newpath_hash, action->newpath, action);
 579                 collect_manager_action_ref(action);
 580                 return;
 581                 }
 582
 583         orig_action = g_hash_table_lookup(entry->newpath_hash, action->oldpath);
 584         if (orig_action)
 585                 {
 586                 /* new action with the same file */
 587                 CollectManagerAction *new_action = collect_manager_action_new(orig_action->oldpath, action->newpath, action->type);
 588
 589                 if (new_action->oldpath)
 590                         {
 591                         g_hash_table_steal(entry->oldpath_hash, orig_action->oldpath);
 592                         g_hash_table_insert(entry->oldpath_hash, new_action->oldpath, new_action);
 593                         }
 594                 else
 595                         {
 596                         GList *work = g_list_find(entry->add_list, orig_action);
 597                         work->data = new_action;
 598                         }
 599
 600                 g_hash_table_steal(entry->newpath_hash, orig_action->newpath);
 601                 if (new_action->newpath)
 602                         {
 603                         g_hash_table_insert(entry->newpath_hash, new_action->newpath, new_action);
 604                         }
 605                 collect_manager_action_unref(orig_action);
 606                 return;
 607                 }
 608
 609
 610         orig_action = g_hash_table_lookup(entry->oldpath_hash, action->oldpath);
 611         if (orig_action)
 612                 {
 613                 /* another action for the same source, ignore */
 614                 printf("collection manager failed to add another action for source %s in collection %s\n",
 615                         action->oldpath, entry->path);
 616                 return;
 617                 }
 618
 619         g_hash_table_insert(entry->oldpath_hash, action->oldpath, action);
 620         if (action->newpath)
 621                 {
 622                 g_hash_table_insert(entry->newpath_hash, action->newpath, action);
 623                 }
 624         collect_manager_action_ref(action);
 625 }
 626
 627 static gint collect_manager_process_action(CollectManagerEntry *entry, gchar **path_ptr)
 628 {
 629         gchar *path = *path_ptr;
 630         CollectManagerAction *action;
 631
 632         if (path == NULL)
 633                 {
 634                 /* get new files */
 635                 if (entry->add_list)
 636                         {
 637                         action = entry->add_list->data;
 638                         g_assert(action->oldpath == NULL);
 639                         entry->add_list = g_list_remove(entry->add_list, action);
 640                         path = g_strdup(action->newpath);
 641                         g_hash_table_remove(entry->newpath_hash, path);
 642                         collect_manager_action_unref(action);
 643                         }
 644                 *path_ptr = path;
 645                 return (path != NULL);
 646                 }
 647
 648         action = g_hash_table_lookup(entry->oldpath_hash, path);
 649
 650         if (action)
 651                 {
 652                 g_free(path);
 653                 path = g_strdup(action->newpath);
 654                 *path_ptr = path;
 655                 return TRUE;
 656                 }
 657
 658         return FALSE; /* no change */
 659 }
 660
 661 static void collect_manager_refresh(void)
 662 {
 663         GList *list = NULL;
 664         GList *work;
 665         gchar *base;
 666
 667         base = g_strconcat(homedir(), "/", GQ_RC_DIR_COLLECTIONS, NULL);
 668         path_list(base, &list, NULL);
 669         g_free(base);
 670
 671         work = collection_manager_entry_list;
 672         while (work && list)
 673                 {
 674                 CollectManagerEntry *entry;
 675                 GList *list_step;
 676
 677                 entry = work->data;
 678                 work = work->next;
 679
 680                 list_step = list;
 681                 while (list_step && entry)
 682                         {
 683                         gchar *path;
 684
 685                         path = list_step->data;
 686                         list_step = list_step->next;
 687
 688                         if (strcmp(path, entry->path) == 0)
 689                                 {
 690                                 list = g_list_remove(list, path);
 691                                 g_free(path);
 692
 693                                 entry = NULL;
 694                                 }
 695                         else
 696                                 {
 697                                 collect_manager_entry_free(entry);
 698                                 }
 699                         }
 700                 }
 701
 702         work = list;
 703         while (work)
 704                 {
 705                 gchar *path;
 706
 707                 path = work->data;
 708                 work = work->next;
 709
 710                 collect_manager_entry_new(path);
 711                 g_free(path);
 712                 }
 713
 714         g_list_free(list);
 715 }
 716
 717 static void collect_manager_process_actions(gint max)
 718 {
 719         if (debug && collection_manager_action_list)
 720                 {
 721                 printf("collection manager processing actions\n");
 722                 }
 723
 724         while (collection_manager_action_list != NULL && max > 0)
 725                 {
 726                 CollectManagerAction *action;
 727                 GList *work;
 728
 729                 action = collection_manager_action_list->data;
 730                 work = collection_manager_entry_list;
 731                 while (work)
 732                         {
 733                         CollectManagerEntry *entry;
 734
 735                         entry = work->data;
 736                         work = work->next;
 737
 738                         if (action->type == COLLECTION_MANAGER_UPDATE)
 739                                 {
 740                                 collect_manager_entry_add_action(entry, action);
 741                                 }
 742                         else if (action->oldpath && action->newpath &&
 743                                  strcmp(action->newpath, entry->path) == 0)
 744                                 {
 745                                 /* convert action to standard add format */
 746                                 g_free(action->newpath);
 747                                 if (action->type == COLLECTION_MANAGER_ADD)
 748                                         {
 749                                         action->newpath = action->oldpath;
 750                                         action->oldpath = NULL;
 751                                         }
 752                                 else if (action->type == COLLECTION_MANAGER_REMOVE)
 753                                         {
 754                                         action->newpath = NULL;
 755                                         }
 756                                 collect_manager_entry_add_action(entry, action);
 757                                 }
 758
 759                         max--;
 760                         }
 761
 762                 if (action->type != COLLECTION_MANAGER_UPDATE &&
 763                     action->oldpath && action->newpath)
 764                         {
 765                         printf("collection manager failed to %s %s for collection %s\n",
 766                                 (action->type == COLLECTION_MANAGER_ADD) ? "add" : "remove",
 767                                 action->oldpath, action->newpath);
 768                         }
 769
 770                 if (collection_manager_action_tail == collection_manager_action_list)
 771                         {
 772                         collection_manager_action_tail = NULL;
 773                         }
 774                 collection_manager_action_list = g_list_remove(collection_manager_action_list, action);
 775                 collect_manager_action_unref(action);
 776                 }
 777 }
 778
 779 static gint collect_manager_process_entry(CollectManagerEntry *entry)
 780 {
 781         CollectionData *cd;
 782         gint success;
 783
 784         if (entry->empty) return FALSE;
 785
 786         cd = collection_new(entry->path);
 787         success = collection_load_private(cd, entry->path, COLLECTION_LOAD_NONE);
 788
 789         collection_unref(cd);
 790
 791         return TRUE;
 792 }
 793
 794 static gint collect_manager_process_entry_list(void)
 795 {
 796         GList *work;
 797
 798         work = collection_manager_entry_list;
 799         while (work)
 800                 {
 801                 CollectManagerEntry *entry;
 802
 803                 entry = work->data;
 804                 work = work->next;
 805                 if (collect_manager_process_entry(entry)) return TRUE;
 806                 }
 807
 808         return FALSE;
 809 }
 810
 811
 812
 813 static gint collect_manager_process_cb(gpointer data)
 814 {
 815         if (collection_manager_action_list) collect_manager_refresh();
 816         collect_manager_process_actions(COLLECT_MANAGER_ACTIONS_PER_IDLE);
 817         if (collection_manager_action_list) return TRUE;
 818
 819         if (collect_manager_process_entry_list()) return TRUE;
 820
 821         if (debug) printf("collection manager is up to date\n");
 822         return FALSE;
 823 }
 824
 825 static gint collect_manager_timer_cb(gpointer data)
 826 {
 827         if (debug) printf("collection manager timer expired\n");
 828
 829         g_idle_add_full(G_PRIORITY_LOW, collect_manager_process_cb, NULL, NULL);
 830
 831         collection_manager_timer_id = -1;
 832         return FALSE;
 833 }
 834
 835 static void collect_manager_timer_push(gint stop)
 836 {
 837         if (collection_manager_timer_id != -1)
 838                 {
 839                 if (!stop) return;
 840
 841                 g_source_remove(collection_manager_timer_id);
 842                 collection_manager_timer_id = -1;
 843                 }
 844
 845         if (!stop)
 846                 {
 847                 collection_manager_timer_id = g_timeout_add(COLLECT_MANAGER_FLUSH_DELAY,
 848                                                             collect_manager_timer_cb, NULL);
 849                 if (debug) printf("collection manager timer started\n");
 850                 }
 851 }
 852
 853 static void collect_manager_add_action(CollectManagerAction *action)
 854 {
 855         if (!action) return;
 856
 857         /* we keep track of the list's tail to keep this a n(1) operation */
 858
 859         if (collection_manager_action_tail)
 860                 {
 861                 collection_manager_action_tail = g_list_append(collection_manager_action_tail, action);
 862                 collection_manager_action_tail = collection_manager_action_tail->next;
 863                 }
 864         else
 865                 {
 866                 collection_manager_action_list = g_list_append(collection_manager_action_list, action);
 867                 collection_manager_action_tail = collection_manager_action_list;
 868                 }
 869
 870         collect_manager_timer_push(FALSE);
 871 }
 872
 873 void collect_manager_moved(FileData *fd)
 874 {
 875         CollectManagerAction *action;
 876         const gchar *oldpath = fd->change->source;
 877         const gchar *newpath = fd->change->dest;
 878
 879         action = collect_manager_action_new(oldpath, newpath, COLLECTION_MANAGER_UPDATE);
 880         collect_manager_add_action(action);
 881 }
 882
 883 void collect_manager_add(FileData *fd, const gchar *collection)
 884 {
 885         CollectManagerAction *action;
 886         CollectWindow *cw;
 887
 888         if (!fd || !collection) return;
 889
 890         cw = collection_window_find_by_path(collection);
 891         if (cw)
 892                 {
 893                 if (collection_list_find(cw->cd->list, fd->path) == NULL)
 894                         {
 895                         collection_add(cw->cd, fd, FALSE);
 896                         }
 897                 return;
 898                 }
 899
 900         action = collect_manager_action_new(fd->path, collection, COLLECTION_MANAGER_ADD);
 901         collect_manager_add_action(action);
 902 }
 903
 904 void collect_manager_remove(FileData *fd, const gchar *collection)
 905 {
 906         CollectManagerAction *action;
 907         CollectWindow *cw;
 908
 909         if (!fd || !collection) return;
 910
 911         cw = collection_window_find_by_path(collection);
 912         if (cw)
 913                 {
 914                 while (collection_remove(cw->cd, fd));
 915                 return;
 916                 }
 917
 918         action = collect_manager_action_new(fd->path, collection, COLLECTION_MANAGER_REMOVE);
 919         collect_manager_add_action(action);
 920 }
 921
 922 void collect_manager_flush(void)
 923 {
 924         collect_manager_timer_push(TRUE);
 925
 926         if (debug) printf("collection manager flushing\n");
 927         while (collect_manager_process_cb(NULL));
 928 }
 929