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 && limit_failures)
 163                                 {
 164                                 fail++;
 165                                 if (fail > GQ_COLLECTION_FAIL_MIN &&
 166                                     fail * 100 / total > GQ_COLLECTION_FAIL_PERCENT)
 167                                         {
 168                                         printf("%d invalid filenames in unoffical collection file, closing: %s\n", fail, path);
 169                                         success = FALSE;
 170                                         break;
 171                                         }
 172                                 }
 173                         }
 174                 }
 175
 176         if (debug) printf("collection files: total = %d fail = %d official=%d gqview=%d geometry=%d\n",
 177                           total, fail, has_official_header, has_gqview_header, has_geometry_header);
 178
 179         fclose(f);
 180         if (only_geometry) return has_geometry_header;
 181
 182         if (!flush)
 183                 {
 184                 gchar *buf = NULL;
 185                 while (collect_manager_process_action(entry, &buf))
 186                         {
 187                         collection_add_check(cd, file_data_new_simple(buf), FALSE, TRUE);
 188                         changed = TRUE;
 189                         g_free(buf);
 190                         }
 191                 }
 192
 193         cd->list = collection_list_sort(cd->list, cd->sort_method);
 194
 195         if (!flush && changed && success)
 196                 collection_save_private(cd, path);
 197
 198         if (!flush)
 199                 collect_manager_entry_reset(entry);
 200
 201         if (!append) cd->changed = FALSE;
 202
 203         return success;
 204 }
 205
 206 gint collection_load(CollectionData *cd, const gchar *path, CollectionLoadFlags flags)
 207 {
 208         if (collection_load_private(cd, path, flags | COLLECTION_LOAD_FLUSH))
 209                 {
 210                 layout_recent_add_path(cd->path);
 211                 return TRUE;
 212                 }
 213
 214         return FALSE;
 215 }
 216
 217 static void collection_load_thumb_do(CollectionData *cd)
 218 {
 219         GdkPixbuf *pixbuf;
 220
 221         if (!cd->thumb_loader || !g_list_find(cd->list, cd->thumb_info)) return;
 222
 223         pixbuf = thumb_loader_get_pixbuf(cd->thumb_loader, TRUE);
 224         collection_info_set_thumb(cd->thumb_info, pixbuf);
 225         g_object_unref(pixbuf);
 226
 227         if (cd->info_updated_func) cd->info_updated_func(cd, cd->thumb_info, cd->info_updated_data);
 228 }
 229
 230 static void collection_load_thumb_error_cb(ThumbLoader *tl, gpointer data)
 231 {
 232         CollectionData *cd = data;
 233
 234         collection_load_thumb_do(cd);
 235         collection_load_thumb_step(cd);
 236 }
 237
 238 static void collection_load_thumb_done_cb(ThumbLoader *tl, gpointer data)
 239 {
 240         CollectionData *cd = data;
 241
 242         collection_load_thumb_do(cd);
 243         collection_load_thumb_step(cd);
 244 }
 245
 246 static void collection_load_thumb_step(CollectionData *cd)
 247 {
 248         GList *work;
 249         CollectInfo *ci;
 250
 251         if (!cd->list)
 252                 {
 253                 collection_load_stop(cd);
 254                 return;
 255                 }
 256
 257         work = cd->list;
 258         ci = work->data;
 259         work = work->next;
 260         /* find first unloaded thumb */
 261         while (work && ci->pixbuf)
 262                 {
 263                 ci = work->data;
 264                 work = work->next;
 265                 }
 266
 267         if (!ci || ci->pixbuf)
 268                 {
 269                 /* done */
 270                 collection_load_stop(cd);
 271
 272                 /* send a NULL CollectInfo to notify end */
 273                 if (cd->info_updated_func) cd->info_updated_func(cd, NULL, cd->info_updated_data);
 274
 275                 return;
 276                 }
 277
 278         /* setup loader and call it */
 279         cd->thumb_info = ci;
 280         thumb_loader_free(cd->thumb_loader);
 281         cd->thumb_loader = thumb_loader_new(options->thumbnails.max_width, options->thumbnails.max_height);
 282         thumb_loader_set_callbacks(cd->thumb_loader,
 283                                    collection_load_thumb_done_cb,
 284                                    collection_load_thumb_error_cb,
 285                                    NULL,
 286                                    cd);
 287
 288         /* start it */
 289         if (!thumb_loader_start(cd->thumb_loader, ci->fd->path))
 290                 {
 291                 /* error, handle it, do next */
 292                 if (debug) printf("error loading thumb for %s\n", ci->fd->path);
 293                 collection_load_thumb_do(cd);
 294                 collection_load_thumb_step(cd);
 295                 }
 296 }
 297
 298 void collection_load_thumb_idle(CollectionData *cd)
 299 {
 300         if (!cd->thumb_loader) collection_load_thumb_step(cd);
 301 }
 302
 303 gint collection_load_begin(CollectionData *cd, const gchar *path, CollectionLoadFlags flags)
 304 {
 305         if (!collection_load(cd, path, flags)) return FALSE;
 306
 307         collection_load_thumb_idle(cd);
 308
 309         return TRUE;
 310 }
 311
 312 void collection_load_stop(CollectionData *cd)
 313 {
 314         if (!cd->thumb_loader) return;
 315
 316         thumb_loader_free(cd->thumb_loader);
 317         cd->thumb_loader = NULL;
 318 }
 319
 320 static gint collection_save_private(CollectionData *cd, const gchar *path)
 321 {
 322         SecureSaveInfo *ssi;
 323         GList *work;
 324         gchar *pathl;
 325
 326         if (!path && !cd->path) return FALSE;
 327
 328         if (!path)
 329                 {
 330                 path = cd->path;
 331                 }
 332
 333
 334         pathl = path_from_utf8(path);
 335         ssi = secure_open(pathl);
 336         g_free(pathl);
 337         if (!ssi)
 338                 {
 339                 gchar *buf;
 340
 341                 buf = g_strdup_printf(_("failed to open collection (write) \"%s\"\n"), path);
 342                 print_term(buf);
 343                 g_free(buf);
 344                 return FALSE;
 345                 }
 346
 347         secure_fprintf(ssi, "%s collection\n", GQ_COLLECTION_MARKER);
 348         secure_fprintf(ssi, "#created with %s version %s\n", GQ_APPNAME, VERSION);
 349
 350         collection_update_geometry(cd);
 351         if (cd->window_read)
 352                 {
 353                 secure_fprintf(ssi, "#geometry: %d %d %d %d\n", cd->window_x, cd->window_y, cd->window_w, cd->window_h);
 354                 }
 355
 356         work = cd->list;
 357         while (work && secsave_errno == SS_ERR_NONE)
 358                 {
 359                 CollectInfo *ci = work->data;
 360                 secure_fprintf(ssi, "\"%s\"\n", ci->fd->path);
 361                 work = work->next;
 362                 }
 363
 364         secure_fprintf(ssi, "#end\n");
 365
 366         if (secure_close(ssi))
 367                 {
 368                 gchar *buf;
 369
 370                 buf = g_strdup_printf(_("error saving collection file: %s\nerror: %s\n"), path,
 371                                       secsave_strerror(secsave_errno));
 372                 print_term(buf);
 373                 g_free(buf);
 374                 return FALSE;
 375                 }
 376
 377         if (!cd->path || strcmp(path, cd->path) != 0)
 378                 {
 379                 gchar *buf = cd->path;
 380                 cd->path = g_strdup(path);
 381                 path = cd->path;
 382                 g_free(buf);
 383
 384                 g_free(cd->name);
 385                 cd->name = g_strdup(filename_from_path(cd->path));
 386
 387                 collection_path_changed(cd);
 388                 }
 389
 390         cd->changed = FALSE;
 391
 392         return TRUE;
 393 }
 394
 395 gint collection_save(CollectionData *cd, const gchar *path)
 396 {
 397         if (collection_save_private(cd, path))
 398                 {
 399                 layout_recent_add_path(cd->path);
 400                 return TRUE;
 401                 }
 402
 403         return FALSE;
 404 }
 405
 406 gint collection_load_only_geometry(CollectionData *cd, const gchar *path)
 407 {
 408         return collection_load(cd, path, COLLECTION_LOAD_GEOMETRY);
 409 }
 410
 411
 412 /*
 413  *-------------------------------------------------------------------
 414  * collection manager
 415  *-------------------------------------------------------------------
 416  */
 417
 418 #define COLLECT_MANAGER_ACTIONS_PER_IDLE 1000
 419 #define COLLECT_MANAGER_FLUSH_DELAY      10000
 420
 421 struct _CollectManagerEntry
 422 {
 423         gchar *path;
 424         GList *add_list;
 425         GHashTable *oldpath_hash;
 426         GHashTable *newpath_hash;
 427         gboolean empty;
 428 };
 429
 430 typedef enum {
 431         COLLECTION_MANAGER_UPDATE,
 432         COLLECTION_MANAGER_ADD,
 433         COLLECTION_MANAGER_REMOVE
 434 } CollectManagerType;
 435
 436 typedef struct _CollectManagerAction CollectManagerAction;
 437 struct _CollectManagerAction
 438 {
 439         gchar *oldpath;
 440         gchar *newpath;
 441
 442         CollectManagerType type;
 443
 444         gint ref;
 445 };
 446
 447
 448 static GList *collection_manager_entry_list = NULL;
 449 static GList *collection_manager_action_list = NULL;
 450 static GList *collection_manager_action_tail = NULL;
 451 static gint collection_manager_timer_id = -1;
 452
 453
 454 static CollectManagerAction *collect_manager_action_new(const gchar *oldpath, const gchar *newpath,
 455                                                         CollectManagerType type)
 456 {
 457         CollectManagerAction *action;
 458
 459         action = g_new0(CollectManagerAction, 1);
 460         action->ref = 1;
 461
 462         action->oldpath = g_strdup(oldpath);
 463         action->newpath = g_strdup(newpath);
 464
 465         action->type = type;
 466
 467         return action;
 468 }
 469
 470 static void collect_manager_action_ref(CollectManagerAction *action)
 471 {
 472         action->ref++;
 473 }
 474
 475 static void collect_manager_action_unref(CollectManagerAction *action)
 476 {
 477         action->ref--;
 478
 479         if (action->ref > 0) return;
 480
 481         g_free(action->oldpath);
 482         g_free(action->newpath);
 483         g_free(action);
 484 }
 485
 486 static void collect_manager_entry_free_data(CollectManagerEntry *entry)
 487 {
 488         GList *work;
 489
 490         work = entry->add_list;
 491         while (work)
 492                 {
 493                 CollectManagerAction *action;
 494
 495                 action = work->data;
 496                 work = work->next;
 497
 498                 collect_manager_action_unref(action);
 499                 }
 500         g_list_free(entry->add_list);
 501         g_hash_table_destroy(entry->oldpath_hash);
 502         g_hash_table_destroy(entry->newpath_hash);
 503 }
 504
 505 static void collect_manager_entry_init_data(CollectManagerEntry *entry)
 506 {
 507         entry->add_list = NULL;
 508         entry->oldpath_hash = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, (GDestroyNotify) collect_manager_action_unref);
 509         entry->newpath_hash = g_hash_table_new(g_str_hash, g_str_equal);
 510         entry->empty = TRUE;
 511
 512 }
 513
 514 static CollectManagerEntry *collect_manager_entry_new(const gchar *path)
 515 {
 516         CollectManagerEntry *entry;
 517
 518         entry = g_new0(CollectManagerEntry, 1);
 519         entry->path = g_strdup(path);
 520         collect_manager_entry_init_data(entry);
 521
 522         collection_manager_entry_list = g_list_append(collection_manager_entry_list, entry);
 523
 524         return entry;
 525 }
 526
 527
 528 static void collect_manager_entry_free(CollectManagerEntry *entry)
 529 {
 530         collection_manager_entry_list = g_list_remove(collection_manager_entry_list, entry);
 531
 532         collect_manager_entry_free_data(entry);
 533
 534         g_free(entry->path);
 535         g_free(entry);
 536 }
 537
 538 static void collect_manager_entry_reset(CollectManagerEntry *entry)
 539 {
 540         collect_manager_entry_free_data(entry);
 541         collect_manager_entry_init_data(entry);
 542 }
 543
 544 static CollectManagerEntry *collect_manager_get_entry(const gchar *path)
 545 {
 546         GList *work;
 547
 548         work = collection_manager_entry_list;
 549         while (work)
 550                 {
 551                 CollectManagerEntry *entry;
 552
 553                 entry = work->data;
 554                 work = work->next;
 555                 if (strcmp(entry->path, path) == 0)
 556                         {
 557                         return entry;
 558                         }
 559                 }
 560         return NULL;
 561
 562 }
 563
 564 static void collect_manager_entry_add_action(CollectManagerEntry *entry, CollectManagerAction *action)
 565 {
 566
 567         CollectManagerAction *orig_action;
 568
 569         entry->empty = FALSE;
 570
 571         if (action->oldpath == NULL)
 572                 {
 573                 /* add file */
 574                 if (action->newpath == NULL)
 575                         {
 576                         return;
 577                         }
 578
 579                 orig_action = g_hash_table_lookup(entry->newpath_hash, action->newpath);
 580                 if (orig_action)
 581                         {
 582                         /* target already exists */
 583                         printf("collection manager failed to add another action for target %s in collection %s\n",
 584                                 action->newpath, entry->path);
 585                         return;
 586                         }
 587                 entry->add_list = g_list_append(entry->add_list, action);
 588                 g_hash_table_insert(entry->newpath_hash, action->newpath, action);
 589                 collect_manager_action_ref(action);
 590                 return;
 591                 }
 592
 593         orig_action = g_hash_table_lookup(entry->newpath_hash, action->oldpath);
 594         if (orig_action)
 595                 {
 596                 /* new action with the same file */
 597                 CollectManagerAction *new_action = collect_manager_action_new(orig_action->oldpath, action->newpath, action->type);
 598
 599                 if (new_action->oldpath)
 600                         {
 601                         g_hash_table_steal(entry->oldpath_hash, orig_action->oldpath);
 602                         g_hash_table_insert(entry->oldpath_hash, new_action->oldpath, new_action);
 603                         }
 604                 else
 605                         {
 606                         GList *work = g_list_find(entry->add_list, orig_action);
 607                         work->data = new_action;
 608                         }
 609
 610                 g_hash_table_steal(entry->newpath_hash, orig_action->newpath);
 611                 if (new_action->newpath)
 612                         {
 613                         g_hash_table_insert(entry->newpath_hash, new_action->newpath, new_action);
 614                         }
 615                 collect_manager_action_unref(orig_action);
 616                 return;
 617                 }
 618
 619
 620         orig_action = g_hash_table_lookup(entry->oldpath_hash, action->oldpath);
 621         if (orig_action)
 622                 {
 623                 /* another action for the same source, ignore */
 624                 printf("collection manager failed to add another action for source %s in collection %s\n",
 625                         action->oldpath, entry->path);
 626                 return;
 627                 }
 628
 629         g_hash_table_insert(entry->oldpath_hash, action->oldpath, action);
 630         if (action->newpath)
 631                 {
 632                 g_hash_table_insert(entry->newpath_hash, action->newpath, action);
 633                 }
 634         collect_manager_action_ref(action);
 635 }
 636
 637 static gint collect_manager_process_action(CollectManagerEntry *entry, gchar **path_ptr)
 638 {
 639         gchar *path = *path_ptr;
 640         CollectManagerAction *action;
 641
 642         if (path == NULL)
 643                 {
 644                 /* get new files */
 645                 if (entry->add_list)
 646                         {
 647                         action = entry->add_list->data;
 648                         g_assert(action->oldpath == NULL);
 649                         entry->add_list = g_list_remove(entry->add_list, action);
 650                         path = g_strdup(action->newpath);
 651                         g_hash_table_remove(entry->newpath_hash, path);
 652                         collect_manager_action_unref(action);
 653                         }
 654                 *path_ptr = path;
 655                 return (path != NULL);
 656                 }
 657
 658         action = g_hash_table_lookup(entry->oldpath_hash, path);
 659
 660         if (action)
 661                 {
 662                 g_free(path);
 663                 path = g_strdup(action->newpath);
 664                 *path_ptr = path;
 665                 return TRUE;
 666                 }
 667
 668         return FALSE; /* no change */
 669 }
 670
 671 static void collect_manager_refresh(void)
 672 {
 673         GList *list = NULL;
 674         GList *work;
 675         gchar *base;
 676
 677         base = g_strconcat(homedir(), "/", GQ_RC_DIR_COLLECTIONS, NULL);
 678         path_list(base, &list, NULL);
 679         g_free(base);
 680
 681         work = collection_manager_entry_list;
 682         while (work && list)
 683                 {
 684                 CollectManagerEntry *entry;
 685                 GList *list_step;
 686
 687                 entry = work->data;
 688                 work = work->next;
 689
 690                 list_step = list;
 691                 while (list_step && entry)
 692                         {
 693                         gchar *path;
 694
 695                         path = list_step->data;
 696                         list_step = list_step->next;
 697
 698                         if (strcmp(path, entry->path) == 0)
 699                                 {
 700                                 list = g_list_remove(list, path);
 701                                 g_free(path);
 702
 703                                 entry = NULL;
 704                                 }
 705                         else
 706                                 {
 707                                 collect_manager_entry_free(entry);
 708                                 }
 709                         }
 710                 }
 711
 712         work = list;
 713         while (work)
 714                 {
 715                 gchar *path;
 716
 717                 path = work->data;
 718                 work = work->next;
 719
 720                 collect_manager_entry_new(path);
 721                 g_free(path);
 722                 }
 723
 724         g_list_free(list);
 725 }
 726
 727 static void collect_manager_process_actions(gint max)
 728 {
 729         if (debug && collection_manager_action_list)
 730                 {
 731                 printf("collection manager processing actions\n");
 732                 }
 733
 734         while (collection_manager_action_list != NULL && max > 0)
 735                 {
 736                 CollectManagerAction *action;
 737                 GList *work;
 738
 739                 action = collection_manager_action_list->data;
 740                 work = collection_manager_entry_list;
 741                 while (work)
 742                         {
 743                         CollectManagerEntry *entry;
 744
 745                         entry = work->data;
 746                         work = work->next;
 747
 748                         if (action->type == COLLECTION_MANAGER_UPDATE)
 749                                 {
 750                                 collect_manager_entry_add_action(entry, action);
 751                                 }
 752                         else if (action->oldpath && action->newpath &&
 753                                  strcmp(action->newpath, entry->path) == 0)
 754                                 {
 755                                 /* convert action to standard add format */
 756                                 g_free(action->newpath);
 757                                 if (action->type == COLLECTION_MANAGER_ADD)
 758                                         {
 759                                         action->newpath = action->oldpath;
 760                                         action->oldpath = NULL;
 761                                         }
 762                                 else if (action->type == COLLECTION_MANAGER_REMOVE)
 763                                         {
 764                                         action->newpath = NULL;
 765                                         }
 766                                 collect_manager_entry_add_action(entry, action);
 767                                 }
 768
 769                         max--;
 770                         }
 771
 772                 if (action->type != COLLECTION_MANAGER_UPDATE &&
 773                     action->oldpath && action->newpath)
 774                         {
 775                         printf("collection manager failed to %s %s for collection %s\n",
 776                                 (action->type == COLLECTION_MANAGER_ADD) ? "add" : "remove",
 777                                 action->oldpath, action->newpath);
 778                         }
 779
 780                 if (collection_manager_action_tail == collection_manager_action_list)
 781                         {
 782                         collection_manager_action_tail = NULL;
 783                         }
 784                 collection_manager_action_list = g_list_remove(collection_manager_action_list, action);
 785                 collect_manager_action_unref(action);
 786                 }
 787 }
 788
 789 static gint collect_manager_process_entry(CollectManagerEntry *entry)
 790 {
 791         CollectionData *cd;
 792         gint success;
 793
 794         if (entry->empty) return FALSE;
 795
 796         cd = collection_new(entry->path);
 797         success = collection_load_private(cd, entry->path, COLLECTION_LOAD_NONE);
 798
 799         collection_unref(cd);
 800
 801         return TRUE;
 802 }
 803
 804 static gint collect_manager_process_entry_list(void)
 805 {
 806         GList *work;
 807
 808         work = collection_manager_entry_list;
 809         while (work)
 810                 {
 811                 CollectManagerEntry *entry;
 812
 813                 entry = work->data;
 814                 work = work->next;
 815                 if (collect_manager_process_entry(entry)) return TRUE;
 816                 }
 817
 818         return FALSE;
 819 }
 820
 821
 822
 823 static gint collect_manager_process_cb(gpointer data)
 824 {
 825         if (collection_manager_action_list) collect_manager_refresh();
 826         collect_manager_process_actions(COLLECT_MANAGER_ACTIONS_PER_IDLE);
 827         if (collection_manager_action_list) return TRUE;
 828
 829         if (collect_manager_process_entry_list()) return TRUE;
 830
 831         if (debug) printf("collection manager is up to date\n");
 832         return FALSE;
 833 }
 834
 835 static gint collect_manager_timer_cb(gpointer data)
 836 {
 837         if (debug) printf("collection manager timer expired\n");
 838
 839         g_idle_add_full(G_PRIORITY_LOW, collect_manager_process_cb, NULL, NULL);
 840
 841         collection_manager_timer_id = -1;
 842         return FALSE;
 843 }
 844
 845 static void collect_manager_timer_push(gint stop)
 846 {
 847         if (collection_manager_timer_id != -1)
 848                 {
 849                 if (!stop) return;
 850
 851                 g_source_remove(collection_manager_timer_id);
 852                 collection_manager_timer_id = -1;
 853                 }
 854
 855         if (!stop)
 856                 {
 857                 collection_manager_timer_id = g_timeout_add(COLLECT_MANAGER_FLUSH_DELAY,
 858                                                             collect_manager_timer_cb, NULL);
 859                 if (debug) printf("collection manager timer started\n");
 860                 }
 861 }
 862
 863 static void collect_manager_add_action(CollectManagerAction *action)
 864 {
 865         if (!action) return;
 866
 867         /* we keep track of the list's tail to keep this a n(1) operation */
 868
 869         if (collection_manager_action_tail)
 870                 {
 871                 collection_manager_action_tail = g_list_append(collection_manager_action_tail, action);
 872                 collection_manager_action_tail = collection_manager_action_tail->next;
 873                 }
 874         else
 875                 {
 876                 collection_manager_action_list = g_list_append(collection_manager_action_list, action);
 877                 collection_manager_action_tail = collection_manager_action_list;
 878                 }
 879
 880         collect_manager_timer_push(FALSE);
 881 }
 882
 883 void collect_manager_moved(FileData *fd)
 884 {
 885         CollectManagerAction *action;
 886         const gchar *oldpath = fd->change->source;
 887         const gchar *newpath = fd->change->dest;
 888
 889         action = collect_manager_action_new(oldpath, newpath, COLLECTION_MANAGER_UPDATE);
 890         collect_manager_add_action(action);
 891 }
 892
 893 void collect_manager_add(FileData *fd, const gchar *collection)
 894 {
 895         CollectManagerAction *action;
 896         CollectWindow *cw;
 897
 898         if (!fd || !collection) return;
 899
 900         cw = collection_window_find_by_path(collection);
 901         if (cw)
 902                 {
 903                 if (collection_list_find(cw->cd->list, fd->path) == NULL)
 904                         {
 905                         collection_add(cw->cd, fd, FALSE);
 906                         }
 907                 return;
 908                 }
 909
 910         action = collect_manager_action_new(fd->path, collection, COLLECTION_MANAGER_ADD);
 911         collect_manager_add_action(action);
 912 }
 913
 914 void collect_manager_remove(FileData *fd, const gchar *collection)
 915 {
 916         CollectManagerAction *action;
 917         CollectWindow *cw;
 918
 919         if (!fd || !collection) return;
 920
 921         cw = collection_window_find_by_path(collection);
 922         if (cw)
 923                 {
 924                 while (collection_remove(cw->cd, fd));
 925                 return;
 926                 }
 927
 928         action = collect_manager_action_new(fd->path, collection, COLLECTION_MANAGER_REMOVE);
 929         collect_manager_add_action(action);
 930 }
 931
 932 void collect_manager_flush(void)
 933 {
 934         collect_manager_timer_push(TRUE);
 935
 936         if (debug) printf("collection manager flushing\n");
 937         while (collect_manager_process_cb(NULL));
 938 }
 939