src/collect-io.c

   1 /*
   2  * Geeqie
   3  * (C) 2004 John Ellis
   4  * Copyright (C) 2008 - 2012 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 "misc.h"
  21 #include "secure_save.h"
  22 #include "thumb.h"
  23 #include "ui_fileops.h"
  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 gboolean 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 gboolean 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         gboolean limit_failures = TRUE;
  61         gboolean success = TRUE;
  62         gboolean has_official_header = FALSE;
  63         gboolean has_geometry_header = FALSE;
  64         gboolean has_gqview_header   = FALSE;
  65         gboolean 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         DEBUG_1("collection load: append=%d flush=%d only_geometry=%d path=%s",
  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                 log_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 (g_ascii_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 (g_ascii_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                 if (only_geometry) continue;
 149
 150                 /* Read filenames */
 151                 while (*p && *p != '"') p++;
 152                 if (*p) p++;
 153                 buf = p;
 154                 while (*p && *p != '"') p++;
 155                 *p = 0;
 156                 if (*buf)
 157                         {
 158                         gboolean valid;
 159
 160                         if (!flush)
 161                                 changed |= collect_manager_process_action(entry, &buf);
 162
 163                         valid = (buf[0] == G_DIR_SEPARATOR && collection_add_check(cd, file_data_new_group(buf), FALSE, TRUE));
 164                         if (!valid) DEBUG_1("collection invalid file: %s", buf);
 165
 166                         total++;
 167                         if (!valid)
 168                                 {
 169                                 fail++;
 170                                 if (limit_failures &&
 171                                     fail > GQ_COLLECTION_FAIL_MIN &&
 172                                     fail * 100 / total > GQ_COLLECTION_FAIL_PERCENT)
 173                                         {
 174                                         log_printf("%d invalid filenames in unofficial collection file, closing: %s\n", fail, path);
 175                                         success = FALSE;
 176                                         break;
 177                                         }
 178                                 }
 179                         }
 180                 }
 181
 182         DEBUG_1("collection files: total = %d fail = %d official=%d gqview=%d geometry=%d",
 183                           total, fail, has_official_header, has_gqview_header, has_geometry_header);
 184
 185         fclose(f);
 186         if (only_geometry) return has_geometry_header;
 187
 188         if (!flush)
 189                 {
 190                 gchar *buf = NULL;
 191                 while (collect_manager_process_action(entry, &buf))
 192                         {
 193                         collection_add_check(cd, file_data_new_group(buf), FALSE, TRUE);
 194                         changed = TRUE;
 195                         g_free(buf);
 196                         buf = NULL;
 197                         }
 198                 }
 199
 200         cd->list = collection_list_sort(cd->list, cd->sort_method);
 201
 202         if (!flush && changed && success)
 203                 collection_save_private(cd, path);
 204
 205         if (!flush)
 206                 collect_manager_entry_reset(entry);
 207
 208         if (!append) cd->changed = FALSE;
 209
 210         return success;
 211 }
 212
 213 gboolean collection_load(CollectionData *cd, const gchar *path, CollectionLoadFlags flags)
 214 {
 215         if (collection_load_private(cd, path, flags | COLLECTION_LOAD_FLUSH))
 216                 {
 217                 layout_recent_add_path(cd->path);
 218                 return TRUE;
 219                 }
 220
 221         return FALSE;
 222 }
 223
 224 static void collection_load_thumb_do(CollectionData *cd)
 225 {
 226         GdkPixbuf *pixbuf;
 227
 228         if (!cd->thumb_loader || !g_list_find(cd->list, cd->thumb_info)) return;
 229
 230         pixbuf = thumb_loader_get_pixbuf(cd->thumb_loader);
 231         collection_info_set_thumb(cd->thumb_info, pixbuf);
 232         g_object_unref(pixbuf);
 233
 234         if (cd->info_updated_func) cd->info_updated_func(cd, cd->thumb_info, cd->info_updated_data);
 235 }
 236
 237 static void collection_load_thumb_error_cb(ThumbLoader *tl, gpointer data)
 238 {
 239         CollectionData *cd = data;
 240
 241         collection_load_thumb_do(cd);
 242         collection_load_thumb_step(cd);
 243 }
 244
 245 static void collection_load_thumb_done_cb(ThumbLoader *tl, gpointer data)
 246 {
 247         CollectionData *cd = data;
 248
 249         collection_load_thumb_do(cd);
 250         collection_load_thumb_step(cd);
 251 }
 252
 253 static void collection_load_thumb_step(CollectionData *cd)
 254 {
 255         GList *work;
 256         CollectInfo *ci;
 257
 258         if (!cd->list)
 259                 {
 260                 collection_load_stop(cd);
 261                 return;
 262                 }
 263
 264         work = cd->list;
 265         ci = work->data;
 266         work = work->next;
 267         /* find first unloaded thumb */
 268         while (work && ci->pixbuf)
 269                 {
 270                 ci = work->data;
 271                 work = work->next;
 272                 }
 273
 274         if (!ci || ci->pixbuf)
 275                 {
 276                 /* done */
 277                 collection_load_stop(cd);
 278
 279                 /* send a NULL CollectInfo to notify end */
 280                 if (cd->info_updated_func) cd->info_updated_func(cd, NULL, cd->info_updated_data);
 281
 282                 return;
 283                 }
 284
 285         /* setup loader and call it */
 286         cd->thumb_info = ci;
 287         thumb_loader_free(cd->thumb_loader);
 288         cd->thumb_loader = thumb_loader_new(options->thumbnails.max_width, options->thumbnails.max_height);
 289         thumb_loader_set_callbacks(cd->thumb_loader,
 290                                    collection_load_thumb_done_cb,
 291                                    collection_load_thumb_error_cb,
 292                                    NULL,
 293                                    cd);
 294
 295         /* start it */
 296         if (!thumb_loader_start(cd->thumb_loader, ci->fd))
 297                 {
 298                 /* error, handle it, do next */
 299                 DEBUG_1("error loading thumb for %s", ci->fd->path);
 300                 collection_load_thumb_do(cd);
 301                 collection_load_thumb_step(cd);
 302                 }
 303 }
 304
 305 void collection_load_thumb_idle(CollectionData *cd)
 306 {
 307         if (!cd->thumb_loader) collection_load_thumb_step(cd);
 308 }
 309
 310 gboolean collection_load_begin(CollectionData *cd, const gchar *path, CollectionLoadFlags flags)
 311 {
 312         if (!collection_load(cd, path, flags)) return FALSE;
 313
 314         collection_load_thumb_idle(cd);
 315
 316         return TRUE;
 317 }
 318
 319 void collection_load_stop(CollectionData *cd)
 320 {
 321         if (!cd->thumb_loader) return;
 322
 323         thumb_loader_free(cd->thumb_loader);
 324         cd->thumb_loader = NULL;
 325 }
 326
 327 static gboolean collection_save_private(CollectionData *cd, const gchar *path)
 328 {
 329         SecureSaveInfo *ssi;
 330         GList *work;
 331         gchar *pathl;
 332
 333         if (!path && !cd->path) return FALSE;
 334
 335         if (!path)
 336                 {
 337                 path = cd->path;
 338                 }
 339
 340
 341         pathl = path_from_utf8(path);
 342         ssi = secure_open(pathl);
 343         g_free(pathl);
 344         if (!ssi)
 345                 {
 346                 log_printf(_("failed to open collection (write) \"%s\"\n"), path);
 347                 return FALSE;
 348                 }
 349
 350         secure_fprintf(ssi, "%s collection\n", GQ_COLLECTION_MARKER);
 351         secure_fprintf(ssi, "#created with %s version %s\n", GQ_APPNAME, VERSION);
 352
 353         collection_update_geometry(cd);
 354         if (cd->window_read)
 355                 {
 356                 secure_fprintf(ssi, "#geometry: %d %d %d %d\n", cd->window_x, cd->window_y, cd->window_w, cd->window_h);
 357                 }
 358
 359         work = cd->list;
 360         while (work && secsave_errno == SS_ERR_NONE)
 361                 {
 362                 CollectInfo *ci = work->data;
 363                 secure_fprintf(ssi, "\"%s\"\n", ci->fd->path);
 364                 work = work->next;
 365                 }
 366
 367         secure_fprintf(ssi, "#end\n");
 368
 369         if (secure_close(ssi))
 370                 {
 371                 log_printf(_("error saving collection file: %s\nerror: %s\n"), path,
 372                             secsave_strerror(secsave_errno));
 373                 return FALSE;
 374                 }
 375
 376         if (!cd->path || strcmp(path, cd->path) != 0)
 377                 {
 378                 gchar *buf = cd->path;
 379                 cd->path = g_strdup(path);
 380                 path = cd->path;
 381                 g_free(buf);
 382
 383                 g_free(cd->name);
 384                 cd->name = g_strdup(filename_from_path(cd->path));
 385
 386                 collection_path_changed(cd);
 387                 }
 388
 389         cd->changed = FALSE;
 390
 391         return TRUE;
 392 }
 393
 394 gboolean collection_save(CollectionData *cd, const gchar *path)
 395 {
 396         if (collection_save_private(cd, path))
 397                 {
 398                 layout_recent_add_path(cd->path);
 399                 return TRUE;
 400                 }
 401
 402         return FALSE;
 403 }
 404
 405 gboolean collection_load_only_geometry(CollectionData *cd, const gchar *path)
 406 {
 407         return collection_load(cd, path, COLLECTION_LOAD_GEOMETRY);
 408 }
 409
 410
 411 /*
 412  *-------------------------------------------------------------------
 413  * collection manager
 414  *-------------------------------------------------------------------
 415  */
 416
 417 #define COLLECT_MANAGER_ACTIONS_PER_IDLE 1000
 418 #define COLLECT_MANAGER_FLUSH_DELAY      10000
 419
 420 struct _CollectManagerEntry
 421 {
 422         gchar *path;
 423         GList *add_list;
 424         GHashTable *oldpath_hash;
 425         GHashTable *newpath_hash;
 426         gboolean empty;
 427 };
 428
 429 typedef enum {
 430         COLLECTION_MANAGER_UPDATE,
 431         COLLECTION_MANAGER_ADD,
 432         COLLECTION_MANAGER_REMOVE
 433 } CollectManagerType;
 434
 435 typedef struct _CollectManagerAction CollectManagerAction;
 436 struct _CollectManagerAction
 437 {
 438         gchar *oldpath;
 439         gchar *newpath;
 440
 441         CollectManagerType type;
 442
 443         gint ref;
 444 };
 445
 446
 447 static GList *collection_manager_entry_list = NULL;
 448 static GList *collection_manager_action_list = NULL;
 449 static GList *collection_manager_action_tail = NULL;
 450 static guint collection_manager_timer_id = 0; /* event source id */
 451
 452
 453 static CollectManagerAction *collect_manager_action_new(const gchar *oldpath, const gchar *newpath,
 454                                                         CollectManagerType type)
 455 {
 456         CollectManagerAction *action;
 457
 458         action = g_new0(CollectManagerAction, 1);
 459         action->ref = 1;
 460
 461         action->oldpath = g_strdup(oldpath);
 462         action->newpath = g_strdup(newpath);
 463
 464         action->type = type;
 465
 466         return action;
 467 }
 468
 469 static void collect_manager_action_ref(CollectManagerAction *action)
 470 {
 471         action->ref++;
 472 }
 473
 474 static void collect_manager_action_unref(CollectManagerAction *action)
 475 {
 476         action->ref--;
 477
 478         if (action->ref > 0) return;
 479
 480         g_free(action->oldpath);
 481         g_free(action->newpath);
 482         g_free(action);
 483 }
 484
 485 static void collect_manager_entry_free_data(CollectManagerEntry *entry)
 486 {
 487         GList *work;
 488
 489         work = entry->add_list;
 490         while (work)
 491                 {
 492                 CollectManagerAction *action;
 493
 494                 action = work->data;
 495                 work = work->next;
 496
 497                 collect_manager_action_unref(action);
 498                 }
 499         g_list_free(entry->add_list);
 500         g_hash_table_destroy(entry->oldpath_hash);
 501         g_hash_table_destroy(entry->newpath_hash);
 502 }
 503
 504 static void collect_manager_entry_init_data(CollectManagerEntry *entry)
 505 {
 506         entry->add_list = NULL;
 507         entry->oldpath_hash = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, (GDestroyNotify) collect_manager_action_unref);
 508         entry->newpath_hash = g_hash_table_new(g_str_hash, g_str_equal);
 509         entry->empty = TRUE;
 510
 511 }
 512
 513 static CollectManagerEntry *collect_manager_entry_new(const gchar *path)
 514 {
 515         CollectManagerEntry *entry;
 516
 517         entry = g_new0(CollectManagerEntry, 1);
 518         entry->path = g_strdup(path);
 519         collect_manager_entry_init_data(entry);
 520
 521         collection_manager_entry_list = g_list_append(collection_manager_entry_list, entry);
 522
 523         return entry;
 524 }
 525
 526
 527 static void collect_manager_entry_free(CollectManagerEntry *entry)
 528 {
 529         collection_manager_entry_list = g_list_remove(collection_manager_entry_list, entry);
 530
 531         collect_manager_entry_free_data(entry);
 532
 533         g_free(entry->path);
 534         g_free(entry);
 535 }
 536
 537 static void collect_manager_entry_reset(CollectManagerEntry *entry)
 538 {
 539         collect_manager_entry_free_data(entry);
 540         collect_manager_entry_init_data(entry);
 541 }
 542
 543 static CollectManagerEntry *collect_manager_get_entry(const gchar *path)
 544 {
 545         GList *work;
 546
 547         work = collection_manager_entry_list;
 548         while (work)
 549                 {
 550                 CollectManagerEntry *entry;
 551
 552                 entry = work->data;
 553                 work = work->next;
 554                 if (strcmp(entry->path, path) == 0)
 555                         {
 556                         return entry;
 557                         }
 558                 }
 559         return NULL;
 560
 561 }
 562
 563 static void collect_manager_entry_add_action(CollectManagerEntry *entry, CollectManagerAction *action)
 564 {
 565
 566         CollectManagerAction *orig_action;
 567
 568         entry->empty = FALSE;
 569
 570         if (action->oldpath == NULL)
 571                 {
 572                 /* add file */
 573                 if (action->newpath == NULL)
 574                         {
 575                         return;
 576                         }
 577
 578                 orig_action = g_hash_table_lookup(entry->newpath_hash, action->newpath);
 579                 if (orig_action)
 580                         {
 581                         /* target already exists */
 582                         log_printf("collection manager failed to add another action for target %s in collection %s\n",
 583                                 action->newpath, entry->path);
 584                         return;
 585                         }
 586                 entry->add_list = g_list_append(entry->add_list, action);
 587                 g_hash_table_insert(entry->newpath_hash, action->newpath, action);
 588                 collect_manager_action_ref(action);
 589                 return;
 590                 }
 591
 592         orig_action = g_hash_table_lookup(entry->newpath_hash, action->oldpath);
 593         if (orig_action)
 594                 {
 595                 /* new action with the same file */
 596                 CollectManagerAction *new_action = collect_manager_action_new(orig_action->oldpath, action->newpath, action->type);
 597
 598                 if (new_action->oldpath)
 599                         {
 600                         g_hash_table_steal(entry->oldpath_hash, orig_action->oldpath);
 601                         g_hash_table_insert(entry->oldpath_hash, new_action->oldpath, new_action);
 602                         }
 603                 else
 604                         {
 605                         GList *work = g_list_find(entry->add_list, orig_action);
 606                         work->data = new_action;
 607                         }
 608
 609                 g_hash_table_steal(entry->newpath_hash, orig_action->newpath);
 610                 if (new_action->newpath)
 611                         {
 612                         g_hash_table_insert(entry->newpath_hash, new_action->newpath, new_action);
 613                         }
 614                 collect_manager_action_unref(orig_action);
 615                 return;
 616                 }
 617
 618
 619         orig_action = g_hash_table_lookup(entry->oldpath_hash, action->oldpath);
 620         if (orig_action)
 621                 {
 622                 /* another action for the same source, ignore */
 623                 log_printf("collection manager failed to add another action for source %s in collection %s\n",
 624                         action->oldpath, entry->path);
 625                 return;
 626                 }
 627
 628         g_hash_table_insert(entry->oldpath_hash, action->oldpath, action);
 629         if (action->newpath)
 630                 {
 631                 g_hash_table_insert(entry->newpath_hash, action->newpath, action);
 632                 }
 633         collect_manager_action_ref(action);
 634 }
 635
 636 static gboolean collect_manager_process_action(CollectManagerEntry *entry, gchar **path_ptr)
 637 {
 638         gchar *path = *path_ptr;
 639         CollectManagerAction *action;
 640
 641         if (path == NULL)
 642                 {
 643                 /* get new files */
 644                 if (entry->add_list)
 645                         {
 646                         action = entry->add_list->data;
 647                         g_assert(action->oldpath == NULL);
 648                         entry->add_list = g_list_remove(entry->add_list, action);
 649                         path = g_strdup(action->newpath);
 650                         g_hash_table_remove(entry->newpath_hash, path);
 651                         collect_manager_action_unref(action);
 652                         }
 653                 *path_ptr = path;
 654                 return (path != NULL);
 655                 }
 656
 657         action = g_hash_table_lookup(entry->oldpath_hash, path);
 658
 659         if (action)
 660                 {
 661                 g_free(path);
 662                 path = g_strdup(action->newpath);
 663                 *path_ptr = path;
 664                 return TRUE;
 665                 }
 666
 667         return FALSE; /* no change */
 668 }
 669
 670 static void collect_manager_refresh(void)
 671 {
 672         GList *list;
 673         GList *work;
 674         FileData *dir_fd;
 675
 676         dir_fd = file_data_new_dir(get_collections_dir());
 677         filelist_read(dir_fd, &list, NULL);
 678         file_data_unref(dir_fd);
 679
 680         work = collection_manager_entry_list;
 681         while (work && list)
 682                 {
 683                 CollectManagerEntry *entry;
 684                 GList *list_step;
 685
 686                 entry = work->data;
 687                 work = work->next;
 688
 689                 list_step = list;
 690                 while (list_step && entry)
 691                         {
 692                         FileData *fd;
 693
 694                         fd = list_step->data;
 695                         list_step = list_step->next;
 696
 697                         if (strcmp(fd->path, entry->path) == 0)
 698                                 {
 699                                 list = g_list_remove(list, fd);
 700                                 file_data_unref(fd);
 701
 702                                 entry = NULL;
 703                                 }
 704                         else
 705                                 {
 706                                 collect_manager_entry_free(entry);
 707                                 }
 708                         }
 709                 }
 710
 711         work = list;
 712         while (work)
 713                 {
 714                 FileData *fd;
 715
 716                 fd = work->data;
 717                 work = work->next;
 718
 719                 collect_manager_entry_new(fd->path);
 720                 }
 721
 722         filelist_free(list);
 723 }
 724
 725 static void collect_manager_process_actions(gint max)
 726 {
 727         if (collection_manager_action_list) DEBUG_1("collection manager processing actions");
 728
 729         while (collection_manager_action_list != NULL && max > 0)
 730                 {
 731                 CollectManagerAction *action;
 732                 GList *work;
 733
 734                 action = collection_manager_action_list->data;
 735                 work = collection_manager_entry_list;
 736                 while (work)
 737                         {
 738                         CollectManagerEntry *entry;
 739
 740                         entry = work->data;
 741                         work = work->next;
 742
 743                         if (action->type == COLLECTION_MANAGER_UPDATE)
 744                                 {
 745                                 collect_manager_entry_add_action(entry, action);
 746                                 }
 747                         else if (action->oldpath && action->newpath &&
 748                                  strcmp(action->newpath, entry->path) == 0)
 749                                 {
 750                                 /* convert action to standard add format */
 751                                 g_free(action->newpath);
 752                                 if (action->type == COLLECTION_MANAGER_ADD)
 753                                         {
 754                                         action->newpath = action->oldpath;
 755                                         action->oldpath = NULL;
 756                                         }
 757                                 else if (action->type == COLLECTION_MANAGER_REMOVE)
 758                                         {
 759                                         action->newpath = NULL;
 760                                         }
 761                                 collect_manager_entry_add_action(entry, action);
 762                                 }
 763
 764                         max--;
 765                         }
 766
 767                 if (action->type != COLLECTION_MANAGER_UPDATE &&
 768                     action->oldpath && action->newpath)
 769                         {
 770                         log_printf("collection manager failed to %s %s for collection %s\n",
 771                                 (action->type == COLLECTION_MANAGER_ADD) ? "add" : "remove",
 772                                 action->oldpath, action->newpath);
 773                         }
 774
 775                 if (collection_manager_action_tail == collection_manager_action_list)
 776                         {
 777                         collection_manager_action_tail = NULL;
 778                         }
 779                 collection_manager_action_list = g_list_remove(collection_manager_action_list, action);
 780                 collect_manager_action_unref(action);
 781                 }
 782 }
 783
 784 static gboolean collect_manager_process_entry(CollectManagerEntry *entry)
 785 {
 786         CollectionData *cd;
 787
 788         if (entry->empty) return FALSE;
 789
 790         cd = collection_new(entry->path);
 791         (void) collection_load_private(cd, entry->path, COLLECTION_LOAD_NONE);
 792
 793         collection_unref(cd);
 794
 795         return TRUE;
 796 }
 797
 798 static gboolean 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 gboolean 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 gboolean 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 = 0;
 836         return FALSE;
 837 }
 838
 839 static void collect_manager_timer_push(gint stop)
 840 {
 841         if (collection_manager_timer_id)
 842                 {
 843                 if (!stop) return;
 844
 845                 g_source_remove(collection_manager_timer_id);
 846                 collection_manager_timer_id = 0;
 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         if (collection_manager_action_tail)
 864                 {
 865                 collection_manager_action_tail = g_list_append(collection_manager_action_tail, action);
 866                 collection_manager_action_tail = collection_manager_action_tail->next;
 867                 }
 868         else
 869                 {
 870                 collection_manager_action_list = g_list_append(collection_manager_action_list, action);
 871                 collection_manager_action_tail = collection_manager_action_list;
 872                 }
 873
 874         collect_manager_timer_push(FALSE);
 875 }
 876
 877 void collect_manager_moved(FileData *fd)
 878 {
 879         CollectManagerAction *action;
 880         const gchar *oldpath = fd->change->source;
 881         const gchar *newpath = fd->change->dest;
 882
 883         action = collect_manager_action_new(oldpath, newpath, COLLECTION_MANAGER_UPDATE);
 884         collect_manager_add_action(action);
 885 }
 886
 887 void collect_manager_add(FileData *fd, const gchar *collection)
 888 {
 889         CollectManagerAction *action;
 890         CollectWindow *cw;
 891
 892         if (!fd || !collection) return;
 893
 894         cw = collection_window_find_by_path(collection);
 895         if (cw)
 896                 {
 897                 if (collection_list_find_fd(cw->cd->list, fd) == NULL)
 898                         {
 899                         collection_add(cw->cd, fd, FALSE);
 900                         }
 901                 return;
 902                 }
 903
 904         action = collect_manager_action_new(fd->path, collection, COLLECTION_MANAGER_ADD);
 905         collect_manager_add_action(action);
 906 }
 907
 908 void collect_manager_remove(FileData *fd, const gchar *collection)
 909 {
 910         CollectManagerAction *action;
 911         CollectWindow *cw;
 912
 913         if (!fd || !collection) return;
 914
 915         cw = collection_window_find_by_path(collection);
 916         if (cw)
 917                 {
 918                 while (collection_remove(cw->cd, fd));
 919                 return;
 920                 }
 921
 922         action = collect_manager_action_new(fd->path, collection, COLLECTION_MANAGER_REMOVE);
 923         collect_manager_add_action(action);
 924 }
 925
 926 void collect_manager_flush(void)
 927 {
 928         collect_manager_timer_push(TRUE);
 929
 930         DEBUG_1("collection manager flushing");
 931         while (collect_manager_process_cb(NULL));
 932 }
 933
 934 void collect_manager_notify_cb(FileData *fd, NotifyType type, gpointer data)
 935 {
 936         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
 937
 938         DEBUG_1("Notify collect_manager: %s %04x", fd->path, type);
 939         switch (fd->change->type)
 940                 {
 941                 case FILEDATA_CHANGE_MOVE:
 942                         collect_manager_moved(fd);
 943                         break;
 944                 case FILEDATA_CHANGE_COPY:
 945                         break;
 946                 case FILEDATA_CHANGE_RENAME:
 947                         collect_manager_moved(fd);
 948                         break;
 949                 case FILEDATA_CHANGE_DELETE:
 950                 case FILEDATA_CHANGE_UNSPECIFIED:
 951                 case FILEDATA_CHANGE_WRITE_METADATA:
 952                         break;
 953                 }
 954
 955 }
 956 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */