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 "filedata.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         DEBUG_1("collection load: append=%d flush=%d only_geometry=%d path=%s",
  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                 log_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 (g_ascii_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 (g_ascii_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] == G_DIR_SEPARATOR && collection_add_check(cd, file_data_new_simple(buf), FALSE, TRUE));
 159                         if (!valid) DEBUG_1("collection invalid file: %s", 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                                         log_printf("%d invalid filenames in unofficial collection file, closing: %s\n", fail, path);
 171                                         success = FALSE;
 172                                         break;
 173                                         }
 174                                 }
 175                         }
 176                 }
 177
 178         DEBUG_1("collection files: total = %d fail = %d official=%d gqview=%d geometry=%d",
 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                         buf = NULL;
 193                         }
 194                 }
 195
 196         cd->list = collection_list_sort(cd->list, cd->sort_method);
 197
 198         if (!flush && changed && success)
 199                 collection_save_private(cd, path);
 200
 201         if (!flush)
 202                 collect_manager_entry_reset(entry);
 203
 204         if (!append) cd->changed = FALSE;
 205
 206         return success;
 207 }
 208
 209 gint collection_load(CollectionData *cd, const gchar *path, CollectionLoadFlags flags)
 210 {
 211         if (collection_load_private(cd, path, flags | COLLECTION_LOAD_FLUSH))
 212                 {
 213                 layout_recent_add_path(cd->path);
 214                 return TRUE;
 215                 }
 216
 217         return FALSE;
 218 }
 219
 220 static void collection_load_thumb_do(CollectionData *cd)
 221 {
 222         GdkPixbuf *pixbuf;
 223
 224         if (!cd->thumb_loader || !g_list_find(cd->list, cd->thumb_info)) return;
 225
 226         pixbuf = thumb_loader_get_pixbuf(cd->thumb_loader, TRUE);
 227         collection_info_set_thumb(cd->thumb_info, pixbuf);
 228         g_object_unref(pixbuf);
 229
 230         if (cd->info_updated_func) cd->info_updated_func(cd, cd->thumb_info, cd->info_updated_data);
 231 }
 232
 233 static void collection_load_thumb_error_cb(ThumbLoader *tl, gpointer data)
 234 {
 235         CollectionData *cd = data;
 236
 237         collection_load_thumb_do(cd);
 238         collection_load_thumb_step(cd);
 239 }
 240
 241 static void collection_load_thumb_done_cb(ThumbLoader *tl, gpointer data)
 242 {
 243         CollectionData *cd = data;
 244
 245         collection_load_thumb_do(cd);
 246         collection_load_thumb_step(cd);
 247 }
 248
 249 static void collection_load_thumb_step(CollectionData *cd)
 250 {
 251         GList *work;
 252         CollectInfo *ci;
 253
 254         if (!cd->list)
 255                 {
 256                 collection_load_stop(cd);
 257                 return;
 258                 }
 259
 260         work = cd->list;
 261         ci = work->data;
 262         work = work->next;
 263         /* find first unloaded thumb */
 264         while (work && ci->pixbuf)
 265                 {
 266                 ci = work->data;
 267                 work = work->next;
 268                 }
 269
 270         if (!ci || ci->pixbuf)
 271                 {
 272                 /* done */
 273                 collection_load_stop(cd);
 274
 275                 /* send a NULL CollectInfo to notify end */
 276                 if (cd->info_updated_func) cd->info_updated_func(cd, NULL, cd->info_updated_data);
 277
 278                 return;
 279                 }
 280
 281         /* setup loader and call it */
 282         cd->thumb_info = ci;
 283         thumb_loader_free(cd->thumb_loader);
 284         cd->thumb_loader = thumb_loader_new(options->thumbnails.max_width, options->thumbnails.max_height);
 285         thumb_loader_set_callbacks(cd->thumb_loader,
 286                                    collection_load_thumb_done_cb,
 287                                    collection_load_thumb_error_cb,
 288                                    NULL,
 289                                    cd);
 290
 291         /* start it */
 292         if (!thumb_loader_start(cd->thumb_loader, ci->fd->path))
 293                 {
 294                 /* error, handle it, do next */
 295                 DEBUG_1("error loading thumb for %s", ci->fd->path);
 296                 collection_load_thumb_do(cd);
 297                 collection_load_thumb_step(cd);
 298                 }
 299 }
 300
 301 void collection_load_thumb_idle(CollectionData *cd)
 302 {
 303         if (!cd->thumb_loader) collection_load_thumb_step(cd);
 304 }
 305
 306 gint collection_load_begin(CollectionData *cd, const gchar *path, CollectionLoadFlags flags)
 307 {
 308         if (!collection_load(cd, path, flags)) return FALSE;
 309
 310         collection_load_thumb_idle(cd);
 311
 312         return TRUE;
 313 }
 314
 315 void collection_load_stop(CollectionData *cd)
 316 {
 317         if (!cd->thumb_loader) return;
 318
 319         thumb_loader_free(cd->thumb_loader);
 320         cd->thumb_loader = NULL;
 321 }
 322
 323 static gint collection_save_private(CollectionData *cd, const gchar *path)
 324 {
 325         SecureSaveInfo *ssi;
 326         GList *work;
 327         gchar *pathl;
 328
 329         if (!path && !cd->path) return FALSE;
 330
 331         if (!path)
 332                 {
 333                 path = cd->path;
 334                 }
 335
 336
 337         pathl = path_from_utf8(path);
 338         ssi = secure_open(pathl);
 339         g_free(pathl);
 340         if (!ssi)
 341                 {
 342                 log_printf(_("failed to open collection (write) \"%s\"\n"), path);
 343                 return FALSE;
 344                 }
 345
 346         secure_fprintf(ssi, "%s collection\n", GQ_COLLECTION_MARKER);
 347         secure_fprintf(ssi, "#created with %s version %s\n", GQ_APPNAME, VERSION);
 348
 349         collection_update_geometry(cd);
 350         if (cd->window_read)
 351                 {
 352                 secure_fprintf(ssi, "#geometry: %d %d %d %d\n", cd->window_x, cd->window_y, cd->window_w, cd->window_h);
 353                 }
 354
 355         work = cd->list;
 356         while (work && secsave_errno == SS_ERR_NONE)
 357                 {
 358                 CollectInfo *ci = work->data;
 359                 secure_fprintf(ssi, "\"%s\"\n", ci->fd->path);
 360                 work = work->next;
 361                 }
 362
 363         secure_fprintf(ssi, "#end\n");
 364
 365         if (secure_close(ssi))
 366                 {
 367                 log_printf(_("error saving collection file: %s\nerror: %s\n"), path,
 368                             secsave_strerror(secsave_errno));
 369                 return FALSE;
 370                 }
 371
 372         if (!cd->path || strcmp(path, cd->path) != 0)
 373                 {
 374                 gchar *buf = cd->path;
 375                 cd->path = g_strdup(path);
 376                 path = cd->path;
 377                 g_free(buf);
 378
 379                 g_free(cd->name);
 380                 cd->name = g_strdup(filename_from_path(cd->path));
 381
 382                 collection_path_changed(cd);
 383                 }
 384
 385         cd->changed = FALSE;
 386
 387         return TRUE;
 388 }
 389
 390 gint collection_save(CollectionData *cd, const gchar *path)
 391 {
 392         if (collection_save_private(cd, path))
 393                 {
 394                 layout_recent_add_path(cd->path);
 395                 return TRUE;
 396                 }
 397
 398         return FALSE;
 399 }
 400
 401 gint collection_load_only_geometry(CollectionData *cd, const gchar *path)
 402 {
 403         return collection_load(cd, path, COLLECTION_LOAD_GEOMETRY);
 404 }
 405
 406
 407 /*
 408  *-------------------------------------------------------------------
 409  * collection manager
 410  *-------------------------------------------------------------------
 411  */
 412
 413 #define COLLECT_MANAGER_ACTIONS_PER_IDLE 1000
 414 #define COLLECT_MANAGER_FLUSH_DELAY      10000
 415
 416 struct _CollectManagerEntry
 417 {
 418         gchar *path;
 419         GList *add_list;
 420         GHashTable *oldpath_hash;
 421         GHashTable *newpath_hash;
 422         gboolean empty;
 423 };
 424
 425 typedef enum {
 426         COLLECTION_MANAGER_UPDATE,
 427         COLLECTION_MANAGER_ADD,
 428         COLLECTION_MANAGER_REMOVE
 429 } CollectManagerType;
 430
 431 typedef struct _CollectManagerAction CollectManagerAction;
 432 struct _CollectManagerAction
 433 {
 434         gchar *oldpath;
 435         gchar *newpath;
 436
 437         CollectManagerType type;
 438
 439         gint ref;
 440 };
 441
 442
 443 static GList *collection_manager_entry_list = NULL;
 444 static GList *collection_manager_action_list = NULL;
 445 static GList *collection_manager_action_tail = NULL;
 446 static gint collection_manager_timer_id = -1;
 447
 448
 449 static CollectManagerAction *collect_manager_action_new(const gchar *oldpath, const gchar *newpath,
 450                                                         CollectManagerType type)
 451 {
 452         CollectManagerAction *action;
 453
 454         action = g_new0(CollectManagerAction, 1);
 455         action->ref = 1;
 456
 457         action->oldpath = g_strdup(oldpath);
 458         action->newpath = g_strdup(newpath);
 459
 460         action->type = type;
 461
 462         return action;
 463 }
 464
 465 static void collect_manager_action_ref(CollectManagerAction *action)
 466 {
 467         action->ref++;
 468 }
 469
 470 static void collect_manager_action_unref(CollectManagerAction *action)
 471 {
 472         action->ref--;
 473
 474         if (action->ref > 0) return;
 475
 476         g_free(action->oldpath);
 477         g_free(action->newpath);
 478         g_free(action);
 479 }
 480
 481 static void collect_manager_entry_free_data(CollectManagerEntry *entry)
 482 {
 483         GList *work;
 484
 485         work = entry->add_list;
 486         while (work)
 487                 {
 488                 CollectManagerAction *action;
 489
 490                 action = work->data;
 491                 work = work->next;
 492
 493                 collect_manager_action_unref(action);
 494                 }
 495         g_list_free(entry->add_list);
 496         g_hash_table_destroy(entry->oldpath_hash);
 497         g_hash_table_destroy(entry->newpath_hash);
 498 }
 499
 500 static void collect_manager_entry_init_data(CollectManagerEntry *entry)
 501 {
 502         entry->add_list = NULL;
 503         entry->oldpath_hash = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, (GDestroyNotify) collect_manager_action_unref);
 504         entry->newpath_hash = g_hash_table_new(g_str_hash, g_str_equal);
 505         entry->empty = TRUE;
 506
 507 }
 508
 509 static CollectManagerEntry *collect_manager_entry_new(const gchar *path)
 510 {
 511         CollectManagerEntry *entry;
 512
 513         entry = g_new0(CollectManagerEntry, 1);
 514         entry->path = g_strdup(path);
 515         collect_manager_entry_init_data(entry);
 516
 517         collection_manager_entry_list = g_list_append(collection_manager_entry_list, entry);
 518
 519         return entry;
 520 }
 521
 522
 523 static void collect_manager_entry_free(CollectManagerEntry *entry)
 524 {
 525         collection_manager_entry_list = g_list_remove(collection_manager_entry_list, entry);
 526
 527         collect_manager_entry_free_data(entry);
 528
 529         g_free(entry->path);
 530         g_free(entry);
 531 }
 532
 533 static void collect_manager_entry_reset(CollectManagerEntry *entry)
 534 {
 535         collect_manager_entry_free_data(entry);
 536         collect_manager_entry_init_data(entry);
 537 }
 538
 539 static CollectManagerEntry *collect_manager_get_entry(const gchar *path)
 540 {
 541         GList *work;
 542
 543         work = collection_manager_entry_list;
 544         while (work)
 545                 {
 546                 CollectManagerEntry *entry;
 547
 548                 entry = work->data;
 549                 work = work->next;
 550                 if (strcmp(entry->path, path) == 0)
 551                         {
 552                         return entry;
 553                         }
 554                 }
 555         return NULL;
 556
 557 }
 558
 559 static void collect_manager_entry_add_action(CollectManagerEntry *entry, CollectManagerAction *action)
 560 {
 561
 562         CollectManagerAction *orig_action;
 563
 564         entry->empty = FALSE;
 565
 566         if (action->oldpath == NULL)
 567                 {
 568                 /* add file */
 569                 if (action->newpath == NULL)
 570                         {
 571                         return;
 572                         }
 573
 574                 orig_action = g_hash_table_lookup(entry->newpath_hash, action->newpath);
 575                 if (orig_action)
 576                         {
 577                         /* target already exists */
 578                         log_printf("collection manager failed to add another action for target %s in collection %s\n",
 579                                 action->newpath, entry->path);
 580                         return;
 581                         }
 582                 entry->add_list = g_list_append(entry->add_list, action);
 583                 g_hash_table_insert(entry->newpath_hash, action->newpath, action);
 584                 collect_manager_action_ref(action);
 585                 return;
 586                 }
 587
 588         orig_action = g_hash_table_lookup(entry->newpath_hash, action->oldpath);
 589         if (orig_action)
 590                 {
 591                 /* new action with the same file */
 592                 CollectManagerAction *new_action = collect_manager_action_new(orig_action->oldpath, action->newpath, action->type);
 593
 594                 if (new_action->oldpath)
 595                         {
 596                         g_hash_table_steal(entry->oldpath_hash, orig_action->oldpath);
 597                         g_hash_table_insert(entry->oldpath_hash, new_action->oldpath, new_action);
 598                         }
 599                 else
 600                         {
 601                         GList *work = g_list_find(entry->add_list, orig_action);
 602                         work->data = new_action;
 603                         }
 604
 605                 g_hash_table_steal(entry->newpath_hash, orig_action->newpath);
 606                 if (new_action->newpath)
 607                         {
 608                         g_hash_table_insert(entry->newpath_hash, new_action->newpath, new_action);
 609                         }
 610                 collect_manager_action_unref(orig_action);
 611                 return;
 612                 }
 613
 614
 615         orig_action = g_hash_table_lookup(entry->oldpath_hash, action->oldpath);
 616         if (orig_action)
 617                 {
 618                 /* another action for the same source, ignore */
 619                 log_printf("collection manager failed to add another action for source %s in collection %s\n",
 620                         action->oldpath, entry->path);
 621                 return;
 622                 }
 623
 624         g_hash_table_insert(entry->oldpath_hash, action->oldpath, action);
 625         if (action->newpath)
 626                 {
 627                 g_hash_table_insert(entry->newpath_hash, action->newpath, action);
 628                 }
 629         collect_manager_action_ref(action);
 630 }
 631
 632 static gint collect_manager_process_action(CollectManagerEntry *entry, gchar **path_ptr)
 633 {
 634         gchar *path = *path_ptr;
 635         CollectManagerAction *action;
 636
 637         if (path == NULL)
 638                 {
 639                 /* get new files */
 640                 if (entry->add_list)
 641                         {
 642                         action = entry->add_list->data;
 643                         g_assert(action->oldpath == NULL);
 644                         entry->add_list = g_list_remove(entry->add_list, action);
 645                         path = g_strdup(action->newpath);
 646                         g_hash_table_remove(entry->newpath_hash, path);
 647                         collect_manager_action_unref(action);
 648                         }
 649                 *path_ptr = path;
 650                 return (path != NULL);
 651                 }
 652
 653         action = g_hash_table_lookup(entry->oldpath_hash, path);
 654
 655         if (action)
 656                 {
 657                 g_free(path);
 658                 path = g_strdup(action->newpath);
 659                 *path_ptr = path;
 660                 return TRUE;
 661                 }
 662
 663         return FALSE; /* no change */
 664 }
 665
 666 static void collect_manager_refresh(void)
 667 {
 668         GList *list;
 669         GList *work;
 670         gchar *base;
 671         FileData *dir_fd;
 672
 673         base = g_build_filename(homedir(), GQ_RC_DIR_COLLECTIONS, NULL);
 674         dir_fd = file_data_new_simple(base);
 675         filelist_read(dir_fd, &list, NULL);
 676         file_data_unref(dir_fd);
 677         g_free(base);
 678
 679         work = collection_manager_entry_list;
 680         while (work && list)
 681                 {
 682                 CollectManagerEntry *entry;
 683                 GList *list_step;
 684
 685                 entry = work->data;
 686                 work = work->next;
 687
 688                 list_step = list;
 689                 while (list_step && entry)
 690                         {
 691                         FileData *fd;
 692
 693                         fd = list_step->data;
 694                         list_step = list_step->next;
 695
 696                         if (strcmp(fd->path, entry->path) == 0)
 697                                 {
 698                                 list = g_list_remove(list, fd);
 699                                 file_data_unref(fd);
 700
 701                                 entry = NULL;
 702                                 }
 703                         else
 704                                 {
 705                                 collect_manager_entry_free(entry);
 706                                 }
 707                         }
 708                 }
 709
 710         work = list;
 711         while (work)
 712                 {
 713                 FileData *fd;
 714
 715                 fd = work->data;
 716                 work = work->next;
 717
 718                 collect_manager_entry_new(fd->path);
 719                 }
 720
 721         filelist_free(list);
 722 }
 723
 724 static void collect_manager_process_actions(gint max)
 725 {
 726         if (collection_manager_action_list) DEBUG_1("collection manager processing actions");
 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                         log_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         DEBUG_1("collection manager is up to date");
 826         return FALSE;
 827 }
 828
 829 static gint collect_manager_timer_cb(gpointer data)
 830 {
 831         DEBUG_1("collection manager timer expired");
 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                 DEBUG_1("collection manager timer started");
 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         collection_manager_action_tail = g_list_append(collection_manager_action_tail, action);
 864         if (!collection_manager_action_list)
 865                 collection_manager_action_list = collection_manager_action_tail;
 866         collection_manager_action_tail = collection_manager_action_tail->next;
 867
 868         collect_manager_timer_push(FALSE);
 869 }
 870
 871 void collect_manager_moved(FileData *fd)
 872 {
 873         CollectManagerAction *action;
 874         const gchar *oldpath = fd->change->source;
 875         const gchar *newpath = fd->change->dest;
 876
 877         action = collect_manager_action_new(oldpath, newpath, COLLECTION_MANAGER_UPDATE);
 878         collect_manager_add_action(action);
 879 }
 880
 881 void collect_manager_add(FileData *fd, const gchar *collection)
 882 {
 883         CollectManagerAction *action;
 884         CollectWindow *cw;
 885
 886         if (!fd || !collection) return;
 887
 888         cw = collection_window_find_by_path(collection);
 889         if (cw)
 890                 {
 891                 if (collection_list_find_fd(cw->cd->list, fd) == NULL)
 892                         {
 893                         collection_add(cw->cd, fd, FALSE);
 894                         }
 895                 return;
 896                 }
 897
 898         action = collect_manager_action_new(fd->path, collection, COLLECTION_MANAGER_ADD);
 899         collect_manager_add_action(action);
 900 }
 901
 902 void collect_manager_remove(FileData *fd, const gchar *collection)
 903 {
 904         CollectManagerAction *action;
 905         CollectWindow *cw;
 906
 907         if (!fd || !collection) return;
 908
 909         cw = collection_window_find_by_path(collection);
 910         if (cw)
 911                 {
 912                 while (collection_remove(cw->cd, fd));
 913                 return;
 914                 }
 915
 916         action = collect_manager_action_new(fd->path, collection, COLLECTION_MANAGER_REMOVE);
 917         collect_manager_add_action(action);
 918 }
 919
 920 void collect_manager_flush(void)
 921 {
 922         collect_manager_timer_push(TRUE);
 923
 924         DEBUG_1("collection manager flushing");
 925         while (collect_manager_process_cb(NULL));
 926 }
 927
 928 void collect_manager_notify_cb(FileData *fd, NotifyType type, gpointer data)
 929 {
 930
 931         if (!fd->change) return;
 932
 933         switch(fd->change->type)
 934                 {
 935                 case FILEDATA_CHANGE_MOVE:
 936                         collect_manager_moved(fd);
 937                         break;
 938                 case FILEDATA_CHANGE_COPY:
 939                         break;
 940                 case FILEDATA_CHANGE_RENAME:
 941                         collect_manager_moved(fd);
 942                         break;
 943                 case FILEDATA_CHANGE_DELETE:
 944                         break;
 945                 case FILEDATA_CHANGE_UNSPECIFIED:
 946                         break;
 947                 }
 948
 949 }