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 "gqview.h"
  14 #include "collect-io.h"
  15
  16 #include "collect.h"
  17 #include "layout_util.h"
  18 #include "rcfile.h"
  19 #include "thumb.h"
  20 #include "ui_fileops.h"
  21 #include "filelist.h"
  22
  23
  24 #define GQVIEW_COLLECTION_MARKER "#Geeqie"
  25
  26 #define GQVIEW_COLLECTION_FAIL_MIN     300
  27 #define GQVIEW_COLLECTION_FAIL_PERCENT 98
  28
  29 typedef struct _CollectManagerEntry CollectManagerEntry;
  30
  31 static void collection_load_thumb_step(CollectionData *cd);
  32 static gint collection_save_private(CollectionData *cd, const gchar *path);
  33
  34 static CollectManagerEntry *collect_manager_get_entry(const gchar *path);
  35 static void collect_manager_entry_reset(CollectManagerEntry *entry);
  36 static gint collect_manager_process_action(CollectManagerEntry *entry, gchar **path_ptr);
  37
  38
  39 static gint scan_geometry(gchar *buffer, gint *x, gint *y, gint *w, gint *h)
  40 {
  41         gint nx, ny, nw, nh;
  42
  43         if(sscanf(buffer, "%d %d %d %d", &nx, &ny, &nw, &nh) != 4) return FALSE;
  44
  45         *x = nx;
  46         *y = ny;
  47         *w = nw;
  48         *h = nh;
  49
  50         return TRUE;
  51 }
  52
  53 static gint collection_load_private(CollectionData *cd, const gchar *path, gint append, gint flush)
  54 {
  55         gchar s_buf[2048];
  56         FILE *f;
  57         gchar *pathl;
  58         gint official = FALSE;
  59         gint success = TRUE;
  60         guint total = 0;
  61         guint fail = 0;
  62         gboolean changed = FALSE;
  63         CollectManagerEntry *entry = NULL;
  64
  65         collection_load_stop(cd);
  66
  67         if (flush)
  68                 collect_manager_flush();
  69         else
  70                 entry = collect_manager_get_entry(path);
  71
  72         if (!append)
  73                 {
  74                 collection_list_free(cd->list);
  75                 cd->list = NULL;
  76                 }
  77
  78         if (!path && !cd->path) return FALSE;
  79
  80         if (!path) path = cd->path;
  81
  82         /* load it */
  83         pathl = path_from_utf8(path);
  84         f = fopen(pathl, "r");
  85         g_free(pathl);
  86         if (!f)
  87                 {
  88                 printf("Failed to open collection file: \"%s\"\n", path);
  89                 return FALSE;
  90                 }
  91
  92         while (fgets(s_buf, sizeof(s_buf), f))
  93                 {
  94                 gchar *buf;
  95                 if (s_buf[0]=='#')
  96                         {
  97                         if (strncasecmp(s_buf, GQVIEW_COLLECTION_MARKER, strlen(GQVIEW_COLLECTION_MARKER)) == 0)
  98                                 {
  99                                 /* Looks like an official collection, allow unchecked input.
 100                                  * All this does is allow adding files that may not exist,
 101                                  * which is needed for the collection manager to work.
 102                                  * Also unofficial files abort after too many invalid entries.
 103                                  */
 104                                 official = TRUE;
 105                                 }
 106                         else if (strncmp(s_buf, "#geometry:", 10 ) == 0 &&
 107                             scan_geometry(s_buf + 10, &cd->window_x, &cd->window_y, &cd->window_w, &cd->window_h) )
 108                                 {
 109                                 cd->window_read = TRUE;
 110                                 }
 111                         continue;
 112                         }
 113                 if (s_buf[0]=='\n') continue;
 114
 115                 buf = quoted_value(s_buf, NULL);
 116                 if (buf)
 117                         {
 118                         gint valid;
 119
 120                         if (!flush)
 121                                 changed |= collect_manager_process_action(entry, &buf);
 122
 123                         valid = (buf[0] == '/' && collection_add_check(cd, file_data_new_simple(buf), FALSE, TRUE));
 124                         g_free(buf);
 125
 126                         total++;
 127                         if (!valid && !official)
 128                                 {
 129                                 fail++;
 130                                 if (fail > GQVIEW_COLLECTION_FAIL_MIN &&
 131                                     fail * 100 / total > GQVIEW_COLLECTION_FAIL_PERCENT)
 132                                         {
 133                                         printf("Too many invalid filenames in unoffical collection file, closing: %s\n", path);
 134                                         success = FALSE;
 135                                         break;
 136                                         }
 137                                 }
 138                         }
 139                 }
 140
 141         fclose(f);
 142
 143         if (!flush)
 144                 {
 145                 gchar *buf = NULL;
 146                 while (collect_manager_process_action(entry, &buf))
 147                         {
 148                         collection_add_check(cd, file_data_new_simple(buf), FALSE, TRUE);
 149                         changed = TRUE;
 150                         g_free(buf);
 151                         }
 152                 }
 153
 154         cd->list = collection_list_sort(cd->list, cd->sort_method);
 155
 156         if (!flush && changed && success)
 157                 collection_save_private(cd, path);
 158
 159         if (!flush)
 160                 collect_manager_entry_reset(entry);
 161
 162         if (!append) cd->changed = FALSE;
 163
 164         return success;
 165 }
 166
 167 gint collection_load(CollectionData *cd, const gchar *path, gint append)
 168 {
 169         if (collection_load_private(cd, path, append, TRUE))
 170                 {
 171                 layout_recent_add_path(cd->path);
 172                 return TRUE;
 173                 }
 174
 175         return FALSE;
 176 }
 177
 178 static void collection_load_thumb_do(CollectionData *cd)
 179 {
 180         GdkPixbuf *pixbuf;
 181
 182         if (!cd->thumb_loader || !g_list_find(cd->list, cd->thumb_info)) return;
 183
 184         pixbuf = thumb_loader_get_pixbuf(cd->thumb_loader, TRUE);
 185         collection_info_set_thumb(cd->thumb_info, pixbuf);
 186         g_object_unref(pixbuf);
 187
 188         if (cd->info_updated_func) cd->info_updated_func(cd, cd->thumb_info, cd->info_updated_data);
 189 }
 190
 191 static void collection_load_thumb_error_cb(ThumbLoader *tl, gpointer data)
 192 {
 193         CollectionData *cd = data;
 194
 195         collection_load_thumb_do(cd);
 196         collection_load_thumb_step(cd);
 197 }
 198
 199 static void collection_load_thumb_done_cb(ThumbLoader *tl, gpointer data)
 200 {
 201         CollectionData *cd = data;
 202
 203         collection_load_thumb_do(cd);
 204         collection_load_thumb_step(cd);
 205 }
 206
 207 static void collection_load_thumb_step(CollectionData *cd)
 208 {
 209         GList *work;
 210         CollectInfo *ci;
 211
 212         if (!cd->list)
 213                 {
 214                 collection_load_stop(cd);
 215                 return;
 216                 }
 217
 218         work = cd->list;
 219         ci = work->data;
 220         work = work->next;
 221         /* find first unloaded thumb */
 222         while (work && ci->pixbuf)
 223                 {
 224                 ci = work->data;
 225                 work = work->next;
 226                 }
 227
 228         if (!ci || ci->pixbuf)
 229                 {
 230                 /* done */
 231                 collection_load_stop(cd);
 232
 233                 /* send a NULL CollectInfo to notify end */
 234                 if (cd->info_updated_func) cd->info_updated_func(cd, NULL, cd->info_updated_data);
 235
 236                 return;
 237                 }
 238
 239         /* setup loader and call it */
 240         cd->thumb_info = ci;
 241         thumb_loader_free(cd->thumb_loader);
 242         cd->thumb_loader = thumb_loader_new(thumb_max_width, thumb_max_height);
 243         thumb_loader_set_callbacks(cd->thumb_loader,
 244                                    collection_load_thumb_done_cb,
 245                                    collection_load_thumb_error_cb,
 246                                    NULL,
 247                                    cd);
 248
 249         /* start it */
 250         if (!thumb_loader_start(cd->thumb_loader, ci->fd->path))
 251                 {
 252                 /* error, handle it, do next */
 253                 if (debug) printf("error loading thumb for %s\n", ci->fd->path);
 254                 collection_load_thumb_do(cd);
 255                 collection_load_thumb_step(cd);
 256                 }
 257 }
 258
 259 void collection_load_thumb_idle(CollectionData *cd)
 260 {
 261         if (!cd->thumb_loader) collection_load_thumb_step(cd);
 262 }
 263
 264 gint collection_load_begin(CollectionData *cd, const gchar *path, gint append)
 265 {
 266         if (!collection_load(cd, path, append)) return FALSE;
 267
 268         collection_load_thumb_idle(cd);
 269
 270         return TRUE;
 271 }
 272
 273 void collection_load_stop(CollectionData *cd)
 274 {
 275         if (!cd->thumb_loader) return;
 276
 277         thumb_loader_free(cd->thumb_loader);
 278         cd->thumb_loader = NULL;
 279 }
 280
 281 static gint collection_save_private(CollectionData *cd, const gchar *path)
 282 {
 283         FILE *f;
 284         GList *work;
 285         gchar *tmp_path;
 286         gchar *pathl;
 287         mode_t save_mask;
 288
 289         if (!path && !cd->path) return FALSE;
 290
 291         if (!path)
 292                 {
 293                 path = cd->path;
 294                 }
 295
 296         tmp_path = unique_filename(path, ".tmp", "_", 3);
 297         if (!tmp_path) return FALSE;
 298
 299         pathl = path_from_utf8(tmp_path);
 300         save_mask = umask(0077);
 301         f = fopen(pathl, "w");
 302         umask(save_mask);
 303         g_free(pathl);
 304
 305         if (!f)
 306                 {
 307                 /* file open failed */
 308                 printf("failed to open collection (write) \"%s\"\n", tmp_path);
 309                 g_free(tmp_path);
 310                 return FALSE;
 311                 }
 312
 313         fprintf(f, "%s collection\n", GQVIEW_COLLECTION_MARKER);
 314         fprintf(f, "#created with Geeqie version %s\n", VERSION);
 315
 316         collection_update_geometry(cd);
 317         if (cd->window_read)
 318                 {
 319                 fprintf(f, "#geometry: %d %d %d %d\n", cd->window_x, cd->window_y, cd->window_w, cd->window_h);
 320                 }
 321
 322         work = cd->list;
 323         while (work)
 324                 {
 325                 CollectInfo *ci = work->data;
 326                 if (fprintf(f, "\"%s\"\n", ci->fd->path) < 0)
 327                         {
 328                         fclose(f);
 329                         printf("Error writing to %s\n", tmp_path);
 330                         unlink_file(tmp_path);
 331                         g_free(tmp_path);
 332                         return FALSE;
 333                         }
 334                 work = work->next;
 335                 }
 336
 337         fprintf(f, "#end\n");
 338
 339         fclose(f);
 340
 341         copy_file_attributes(path, tmp_path, TRUE, FALSE);
 342         if (!rename_file(tmp_path, path))
 343                 {
 344                 printf("collection save unable to rename %s to %s\n", tmp_path, path);
 345                 unlink_file(tmp_path);
 346                 g_free(tmp_path);
 347                 return FALSE;
 348                 }
 349
 350         g_free(tmp_path);
 351
 352         if (!cd->path || strcmp(path, cd->path) != 0)
 353                 {
 354                 gchar *buf = cd->path;
 355                 cd->path = g_strdup(path);
 356                 path = cd->path;
 357                 g_free(buf);
 358
 359                 g_free(cd->name);
 360                 cd->name = g_strdup(filename_from_path(cd->path));
 361
 362                 collection_path_changed(cd);
 363                 }
 364
 365         cd->changed = FALSE;
 366
 367         return TRUE;
 368 }
 369
 370 gint collection_save(CollectionData *cd, const gchar *path)
 371 {
 372         if (collection_save_private(cd, path))
 373                 {
 374                 layout_recent_add_path(cd->path);
 375                 return TRUE;
 376                 }
 377
 378         return FALSE;
 379 }
 380
 381 gint collection_load_only_geometry(CollectionData *cd, const gchar *path)
 382 {
 383         gchar s_buf[2048];
 384         FILE *f;
 385         gchar *pathl;
 386
 387         if (!path && !cd->path) return FALSE;
 388
 389         if (!path) path = cd->path;
 390
 391         /* load it */
 392         pathl = path_from_utf8(path);
 393         f = fopen(pathl, "r");
 394         g_free(pathl);
 395         if (!f) return FALSE;
 396
 397         while (fgets(s_buf, sizeof(s_buf), f))
 398                 {
 399                 if (s_buf[0]=='#' &&
 400                     strncmp(s_buf, "#geometry:", 10 ) == 0 &&
 401                     scan_geometry(s_buf + 10, &cd->window_x, &cd->window_y, &cd->window_w, &cd->window_h) )
 402                         {
 403                         cd->window_read = TRUE;
 404                         fclose(f);
 405                         return TRUE;
 406                         }
 407                 }
 408         fclose(f);
 409         return FALSE;
 410 }
 411
 412
 413 /*
 414  *-------------------------------------------------------------------
 415  * collection manager
 416  *-------------------------------------------------------------------
 417  */
 418
 419 #define COLLECT_MANAGER_ACTIONS_PER_IDLE 1000
 420 #define COLLECT_MANAGER_FLUSH_DELAY      10000
 421
 422 struct _CollectManagerEntry
 423 {
 424         gchar *path;
 425         GList *add_list;
 426         GHashTable *oldpath_hash;
 427         GHashTable *newpath_hash;
 428         gboolean empty;
 429 };
 430
 431 typedef enum {
 432         COLLECTION_MANAGER_UPDATE,
 433         COLLECTION_MANAGER_ADD,
 434         COLLECTION_MANAGER_REMOVE
 435 } CollectManagerType;
 436
 437 typedef struct _CollectManagerAction CollectManagerAction;
 438 struct _CollectManagerAction
 439 {
 440         gchar *oldpath;
 441         gchar *newpath;
 442
 443         CollectManagerType type;
 444
 445         gint ref;
 446 };
 447
 448
 449 static GList *collection_manager_entry_list = NULL;
 450 static GList *collection_manager_action_list = NULL;
 451 static GList *collection_manager_action_tail = NULL;
 452 static gint collection_manager_timer_id = -1;
 453
 454
 455 static CollectManagerAction *collect_manager_action_new(const gchar *oldpath, const gchar *newpath,
 456                                                         CollectManagerType type)
 457 {
 458         CollectManagerAction *action;
 459
 460         action = g_new0(CollectManagerAction, 1);
 461         action->ref = 1;
 462
 463         action->oldpath = g_strdup(oldpath);
 464         action->newpath = g_strdup(newpath);
 465
 466         action->type = type;
 467
 468         return action;
 469 }
 470
 471 static void collect_manager_action_ref(CollectManagerAction *action)
 472 {
 473         action->ref++;
 474 }
 475
 476 static void collect_manager_action_unref(CollectManagerAction *action)
 477 {
 478         action->ref--;
 479
 480         if (action->ref > 0) return;
 481
 482         g_free(action->oldpath);
 483         g_free(action->newpath);
 484         g_free(action);
 485 }
 486
 487 static void collect_manager_entry_free_data(CollectManagerEntry *entry)
 488 {
 489         GList *work;
 490
 491         work = entry->add_list;
 492         while (work)
 493                 {
 494                 CollectManagerAction *action;
 495
 496                 action = work->data;
 497                 work = work->next;
 498
 499                 collect_manager_action_unref(action);
 500                 }
 501         g_list_free(entry->add_list);
 502         g_hash_table_destroy(entry->oldpath_hash);
 503         g_hash_table_destroy(entry->newpath_hash);
 504 }
 505
 506 static void collect_manager_entry_init_data(CollectManagerEntry *entry)
 507 {
 508         entry->add_list = NULL;
 509         entry->oldpath_hash = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, (GDestroyNotify) collect_manager_action_unref);
 510         entry->newpath_hash = g_hash_table_new(g_str_hash, g_str_equal);
 511         entry->empty = TRUE;
 512
 513 }
 514
 515 static CollectManagerEntry *collect_manager_entry_new(const gchar *path)
 516 {
 517         CollectManagerEntry *entry;
 518
 519         entry = g_new0(CollectManagerEntry, 1);
 520         entry->path = g_strdup(path);
 521         collect_manager_entry_init_data(entry);
 522
 523         collection_manager_entry_list = g_list_append(collection_manager_entry_list, entry);
 524
 525         return entry;
 526 }
 527
 528
 529 static void collect_manager_entry_free(CollectManagerEntry *entry)
 530 {
 531         collection_manager_entry_list = g_list_remove(collection_manager_entry_list, entry);
 532
 533         collect_manager_entry_free_data(entry);
 534
 535         g_free(entry->path);
 536         g_free(entry);
 537 }
 538
 539 static void collect_manager_entry_reset(CollectManagerEntry *entry)
 540 {
 541         collect_manager_entry_free_data(entry);
 542         collect_manager_entry_init_data(entry);
 543 }
 544
 545 static CollectManagerEntry *collect_manager_get_entry(const gchar *path)
 546 {
 547         GList *work;
 548
 549         work = collection_manager_entry_list;
 550         while (work)
 551                 {
 552                 CollectManagerEntry *entry;
 553
 554                 entry = work->data;
 555                 work = work->next;
 556                 if (strcmp(entry->path, path) == 0)
 557                         {
 558                         return entry;
 559                         }
 560                 }
 561         return NULL;
 562
 563 }
 564
 565 static void collect_manager_entry_add_action(CollectManagerEntry *entry, CollectManagerAction *action)
 566 {
 567
 568         CollectManagerAction *orig_action;
 569
 570         entry->empty = FALSE;
 571
 572         if (action->oldpath == NULL)
 573                 {
 574                 /* add file */
 575                 if (action->newpath == NULL)
 576                         {
 577                         return;
 578                         }
 579
 580                 orig_action = g_hash_table_lookup(entry->newpath_hash, action->newpath);
 581                 if (orig_action)
 582                         {
 583                         /* target already exists */
 584                         printf("collection manager failed to add another action for target %s in collection %s\n",
 585                                 action->newpath, entry->path);
 586                         return;
 587                         }
 588                 entry->add_list = g_list_append(entry->add_list, action);
 589                 g_hash_table_insert(entry->newpath_hash, action->newpath, action);
 590                 collect_manager_action_ref(action);
 591                 return;
 592                 }
 593
 594         orig_action = g_hash_table_lookup(entry->newpath_hash, action->oldpath);
 595         if (orig_action)
 596                 {
 597                 /* new action with the same file */
 598                 CollectManagerAction *new_action = collect_manager_action_new(orig_action->oldpath, action->newpath, action->type);
 599
 600                 if (new_action->oldpath)
 601                         {
 602                         g_hash_table_steal(entry->oldpath_hash, orig_action->oldpath);
 603                         g_hash_table_insert(entry->oldpath_hash, new_action->oldpath, new_action);
 604                         }
 605                 else
 606                         {
 607                         GList *work = g_list_find(entry->add_list, orig_action);
 608                         work->data = new_action;
 609                         }
 610
 611                 g_hash_table_steal(entry->newpath_hash, orig_action->newpath);
 612                 if (new_action->newpath)
 613                         {
 614                         g_hash_table_insert(entry->newpath_hash, new_action->newpath, new_action);
 615                         }
 616                 collect_manager_action_unref(orig_action);
 617                 return;
 618                 }
 619
 620
 621         orig_action = g_hash_table_lookup(entry->oldpath_hash, action->oldpath);
 622         if (orig_action)
 623                 {
 624                 /* another action for the same source, ignore */
 625                 printf("collection manager failed to add another action for source %s in collection %s\n",
 626                         action->oldpath, entry->path);
 627                 return;
 628                 }
 629
 630         g_hash_table_insert(entry->oldpath_hash, action->oldpath, action);
 631         if (action->newpath)
 632                 {
 633                 g_hash_table_insert(entry->newpath_hash, action->newpath, action);
 634                 }
 635         collect_manager_action_ref(action);
 636 }
 637
 638 static gint collect_manager_process_action(CollectManagerEntry *entry, gchar **path_ptr)
 639 {
 640         gchar *path = *path_ptr;
 641         CollectManagerAction *action;
 642
 643         if (path == NULL)
 644                 {
 645                 /* get new files */
 646                 if (entry->add_list)
 647                         {
 648                         action = entry->add_list->data;
 649                         g_assert(action->oldpath == NULL);
 650                         entry->add_list = g_list_remove(entry->add_list, action);
 651                         path = g_strdup(action->newpath);
 652                         g_hash_table_remove(entry->newpath_hash, path);
 653                         collect_manager_action_unref(action);
 654                         }
 655                 *path_ptr = path;
 656                 return (path != NULL);
 657                 }
 658
 659         action = g_hash_table_lookup(entry->oldpath_hash, path);
 660
 661         if (action)
 662                 {
 663                 g_free(path);
 664                 path = g_strdup(action->newpath);
 665                 *path_ptr = path;
 666                 return TRUE;
 667                 }
 668
 669         return FALSE; /* no change */
 670 }
 671
 672 static void collect_manager_refresh(void)
 673 {
 674         GList *list = NULL;
 675         GList *work;
 676         gchar *base;
 677
 678         base = g_strconcat(homedir(), "/", GQVIEW_RC_DIR_COLLECTIONS, NULL);
 679         path_list(base, &list, NULL);
 680         g_free(base);
 681
 682         work = collection_manager_entry_list;
 683         while (work && list)
 684                 {
 685                 CollectManagerEntry *entry;
 686                 GList *list_step;
 687
 688                 entry = work->data;
 689                 work = work->next;
 690
 691                 list_step = list;
 692                 while (list_step && entry)
 693                         {
 694                         gchar *path;
 695
 696                         path = list_step->data;
 697                         list_step = list_step->next;
 698
 699                         if (strcmp(path, entry->path) == 0)
 700                                 {
 701                                 list = g_list_remove(list, path);
 702                                 g_free(path);
 703
 704                                 entry = NULL;
 705                                 }
 706                         else
 707                                 {
 708                                 collect_manager_entry_free(entry);
 709                                 }
 710                         }
 711                 }
 712
 713         work = list;
 714         while (work)
 715                 {
 716                 gchar *path;
 717
 718                 path = work->data;
 719                 work = work->next;
 720
 721                 collect_manager_entry_new(path);
 722                 g_free(path);
 723                 }
 724
 725         g_list_free(list);
 726 }
 727
 728 static void collect_manager_process_actions(gint max)
 729 {
 730         if (debug && collection_manager_action_list)
 731                 {
 732                 printf("collection manager processing actions\n");
 733                 }
 734
 735         while (collection_manager_action_list != NULL && max > 0)
 736                 {
 737                 CollectManagerAction *action;
 738                 GList *work;
 739
 740                 action = collection_manager_action_list->data;
 741                 work = collection_manager_entry_list;
 742                 while (work)
 743                         {
 744                         CollectManagerEntry *entry;
 745
 746                         entry = work->data;
 747                         work = work->next;
 748
 749                         if (action->type == COLLECTION_MANAGER_UPDATE)
 750                                 {
 751                                 collect_manager_entry_add_action(entry, action);
 752                                 }
 753                         else if (action->oldpath && action->newpath &&
 754                                  strcmp(action->newpath, entry->path) == 0)
 755                                 {
 756                                 /* convert action to standard add format */
 757                                 g_free(action->newpath);
 758                                 if (action->type == COLLECTION_MANAGER_ADD)
 759                                         {
 760                                         action->newpath = action->oldpath;
 761                                         action->oldpath = NULL;
 762                                         }
 763                                 else if (action->type == COLLECTION_MANAGER_REMOVE)
 764                                         {
 765                                         action->newpath = NULL;
 766                                         }
 767                                 collect_manager_entry_add_action(entry, action);
 768                                 }
 769
 770                         max--;
 771                         }
 772
 773                 if (action->type != COLLECTION_MANAGER_UPDATE &&
 774                     action->oldpath && action->newpath)
 775                         {
 776                         printf("collection manager failed to %s %s for collection %s\n",
 777                                 (action->type == COLLECTION_MANAGER_ADD) ? "add" : "remove",
 778                                 action->oldpath, action->newpath);
 779                         }
 780
 781                 if (collection_manager_action_tail == collection_manager_action_list)
 782                         {
 783                         collection_manager_action_tail = NULL;
 784                         }
 785                 collection_manager_action_list = g_list_remove(collection_manager_action_list, action);
 786                 collect_manager_action_unref(action);
 787                 }
 788 }
 789
 790 static gint collect_manager_process_entry(CollectManagerEntry *entry)
 791 {
 792         CollectionData *cd;
 793         gint success;
 794
 795         if (entry->empty) return FALSE;
 796
 797         cd = collection_new(entry->path);
 798         success = collection_load_private(cd, entry->path, FALSE, FALSE);
 799
 800         collection_unref(cd);
 801
 802         return TRUE;
 803 }
 804
 805 static gint collect_manager_process_entry_list(void)
 806 {
 807         GList *work;
 808
 809         work = collection_manager_entry_list;
 810         while (work)
 811                 {
 812                 CollectManagerEntry *entry;
 813
 814                 entry = work->data;
 815                 work = work->next;
 816                 if (collect_manager_process_entry(entry)) return TRUE;
 817                 }
 818
 819         return FALSE;
 820 }
 821
 822
 823
 824 static gint collect_manager_process_cb(gpointer data)
 825 {
 826         if (collection_manager_action_list) collect_manager_refresh();
 827         collect_manager_process_actions(COLLECT_MANAGER_ACTIONS_PER_IDLE);
 828         if (collection_manager_action_list) return TRUE;
 829
 830         if (collect_manager_process_entry_list()) return TRUE;
 831
 832         if (debug) printf("collection manager is up to date\n");
 833         return FALSE;
 834 }
 835
 836 static gint collect_manager_timer_cb(gpointer data)
 837 {
 838         if (debug) printf("collection manager timer expired\n");
 839
 840         g_idle_add_full(G_PRIORITY_LOW, collect_manager_process_cb, NULL, NULL);
 841
 842         collection_manager_timer_id = -1;
 843         return FALSE;
 844 }
 845
 846 static void collect_manager_timer_push(gint stop)
 847 {
 848         if (collection_manager_timer_id != -1)
 849                 {
 850                 if (!stop) return;
 851
 852                 g_source_remove(collection_manager_timer_id);
 853                 collection_manager_timer_id = -1;
 854                 }
 855
 856         if (!stop)
 857                 {
 858                 collection_manager_timer_id = g_timeout_add(COLLECT_MANAGER_FLUSH_DELAY,
 859                                                             collect_manager_timer_cb, NULL);
 860                 if (debug) printf("collection manager timer started\n");
 861                 }
 862 }
 863
 864 static void collect_manager_add_action(CollectManagerAction *action)
 865 {
 866         if (!action) return;
 867
 868         /* we keep track of the list's tail to keep this a n(1) operation */
 869
 870         if (collection_manager_action_tail)
 871                 {
 872                 collection_manager_action_tail = g_list_append(collection_manager_action_tail, action);
 873                 collection_manager_action_tail = collection_manager_action_tail->next;
 874                 }
 875         else
 876                 {
 877                 collection_manager_action_list = g_list_append(collection_manager_action_list, action);
 878                 collection_manager_action_tail = collection_manager_action_list;
 879                 }
 880
 881         collect_manager_timer_push(FALSE);
 882 }
 883
 884 void collect_manager_moved(FileData *fd)
 885 {
 886         CollectManagerAction *action;
 887         const gchar *oldpath = fd->change->source;
 888         const gchar *newpath = fd->change->dest;
 889
 890         action = collect_manager_action_new(oldpath, newpath, COLLECTION_MANAGER_UPDATE);
 891         collect_manager_add_action(action);
 892 }
 893
 894 void collect_manager_add(FileData *fd, const gchar *collection)
 895 {
 896         CollectManagerAction *action;
 897         CollectWindow *cw;
 898
 899         if (!fd || !collection) return;
 900
 901         cw = collection_window_find_by_path(collection);
 902         if (cw)
 903                 {
 904                 if (collection_list_find(cw->cd->list, fd->path) == NULL)
 905                         {
 906                         collection_add(cw->cd, fd, FALSE);
 907                         }
 908                 return;
 909                 }
 910
 911         action = collect_manager_action_new(fd->path, collection, COLLECTION_MANAGER_ADD);
 912         collect_manager_add_action(action);
 913 }
 914
 915 void collect_manager_remove(FileData *fd, const gchar *collection)
 916 {
 917         CollectManagerAction *action;
 918         CollectWindow *cw;
 919
 920         if (!fd || !collection) return;
 921
 922         cw = collection_window_find_by_path(collection);
 923         if (cw)
 924                 {
 925                 while (collection_remove(cw->cd, fd));
 926                 return;
 927                 }
 928
 929         action = collect_manager_action_new(fd->path, collection, COLLECTION_MANAGER_REMOVE);
 930         collect_manager_add_action(action);
 931 }
 932
 933 void collect_manager_flush(void)
 934 {
 935         collect_manager_timer_push(TRUE);
 936
 937         if (debug) printf("collection manager flushing\n");
 938         while (collect_manager_process_cb(NULL));
 939 }
 940