git.maemo.org Git - modest/blob - src/modest-search.c

   1 /* Copyright (c) 2006, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #ifndef _GNU_SOURCE
  31 #define _GNU_SOURCE
  32 #endif
  33
  34 #ifdef HAVE_CONFIG_H
  35 #include <config.h>
  36 #endif
  37
  38 #include <string.h>
  39
  40 #include <tny-shared.h>
  41 #include <tny-folder.h>
  42 #include <tny-folder-store.h>
  43 #include <tny-list.h>
  44 #include <tny-iterator.h>
  45 #include <tny-simple-list.h>
  46 #include <tny-camel-imap-store-account.h>
  47 #include <tny-camel-pop-store-account.h>
  48
  49 #include "modest-text-utils.h"
  50 #include "modest-account-mgr.h"
  51 #include "modest-tny-account-store.h"
  52 #include "modest-tny-account.h"
  53 #include "modest-tny-mime-part.h"
  54 #include "modest-tny-folder.h"
  55 #include "modest-search.h"
  56 #include "modest-runtime.h"
  57 #include "modest-platform.h"
  58
  59 typedef struct
  60 {
  61         guint folder_count;
  62         guint folder_total;
  63         guint account_total;
  64         GList *msg_hits;
  65         ModestSearch *search;
  66         ModestSearchCallback callback;
  67         gpointer user_data;
  68 } SearchHelper;
  69
  70 static SearchHelper *create_helper (ModestSearchCallback callback,
  71                                     ModestSearch *search,
  72                                     gpointer user_data);
  73
  74 static void          check_search_finished (SearchHelper *helper);
  75
  76 static gchar *
  77 g_strdup_or_null (const gchar *str)
  78 {
  79         gchar *string = NULL;
  80
  81         if  (str != NULL) {
  82                 string = g_strdup (str);
  83         }
  84
  85         return string;
  86 }
  87
  88 static GList*
  89 add_hit (GList *list, TnyHeader *header, TnyFolder *folder)
  90 {
  91         ModestSearchResultHit *hit;
  92         TnyHeaderFlags   flags;
  93         char            *furl;
  94         char            *msg_url;
  95         char      *uid;
  96         char      *subject;
  97         char      *sender;
  98
  99         hit = g_slice_new0 (ModestSearchResultHit);
 100
 101         furl = tny_folder_get_url_string (folder);
 102         g_debug ("%s: folder URL=%s\n", __FUNCTION__, furl);
 103         if (!furl) {
 104                 g_warning ("%s: tny_folder_get_url_string(): returned NULL for folder. Folder name=%s\n", __FUNCTION__, tny_folder_get_name (folder));
 105         }
 106
 107         /* Make sure that we use the short UID instead of the long UID,
 108          * and/or find out what UID form is used when finding, in camel_data_cache_get().
 109          * so we can find what we get. Philip is working on this.
 110          */
 111         uid = tny_header_dup_uid (header);
 112         if (!furl) {
 113                 gchar *subject = tny_header_dup_subject (header);
 114                 g_warning ("%s: tny_header_get_uid(): returned NULL for message with subject=%s\n", __FUNCTION__, subject);
 115                 g_free (subject);
 116         }
 117
 118         msg_url = g_strdup_printf ("%s/%s", furl, uid);
 119         g_free (furl);
 120         g_free (uid);
 121
 122         subject = tny_header_dup_subject (header);
 123         sender = tny_header_dup_from (header);
 124
 125         flags = tny_header_get_flags (header);
 126
 127         hit->msgid = msg_url;
 128         hit->subject = subject;
 129         hit->sender = sender;
 130         hit->folder = g_strdup_or_null (tny_folder_get_name (folder));
 131         hit->msize = tny_header_get_message_size (header);
 132         hit->has_attachment = flags & TNY_HEADER_FLAG_ATTACHMENTS;
 133         hit->is_unread = ! (flags & TNY_HEADER_FLAG_SEEN);
 134         hit->timestamp = MIN (tny_header_get_date_received (header), tny_header_get_date_sent (header));
 135
 136         return g_list_prepend (list, hit);
 137 }
 138
 139 /** Call this until it returns FALSE or nread is set to 0.
 140  *
 141  * @result: FALSE is something failed. */
 142 static gboolean
 143 read_chunk (TnyStream *stream, char *buffer, gsize count, gsize *nread)
 144 {
 145         gsize _nread = 0;
 146         gssize res = 0;
 147
 148         while (_nread < count) {
 149                 res = tny_stream_read (stream,
 150                                        buffer + _nread,
 151                                        count - _nread);
 152                 if (res == -1) { /* error */
 153                         *nread = _nread;
 154                         return FALSE;
 155                 }
 156
 157                 _nread += res;
 158
 159                 if (res == 0) { /* no more bytes read. */
 160                         *nread = _nread;
 161                         return TRUE;
 162                 }
 163         }
 164
 165         *nread = _nread;
 166         return TRUE;
 167 }
 168
 169 #ifdef MODEST_HAVE_OGS
 170 /*
 171  * This function assumes that the mime part is of type "text / *"
 172  */
 173 static gboolean
 174 search_mime_part_ogs (TnyMimePart *part, ModestSearch *search)
 175 {
 176         TnyStream *stream = NULL;
 177         char       buffer[4096];
 178         const gsize len = sizeof (buffer);
 179         gsize      nread = 0;
 180         gboolean   is_text_html = FALSE;
 181         gboolean   found = FALSE;
 182         gboolean   res = FALSE;
 183
 184         is_text_html = tny_mime_part_content_type_is (part, "text/html");
 185
 186         stream = tny_mime_part_get_stream (part);
 187
 188         res = read_chunk (stream, buffer, len, &nread);
 189         while (res && (nread > 0)) {
 190                 /* search->text_searcher was instantiated in modest_search_folder(). */
 191
 192                 if (is_text_html) {
 193                         found = ogs_text_searcher_search_html (search->text_searcher,
 194                                                                buffer,
 195                                                                nread,
 196                                                                nread < len);
 197                 } else {
 198                         found = ogs_text_searcher_search_text (search->text_searcher,
 199                                                                buffer,
 200                                                                nread);
 201                 }
 202
 203                 /* HACK: this helps UI refreshes because the search
 204                    operations could be heavy */
 205                 while (gtk_events_pending ())
 206                         gtk_main_iteration ();
 207
 208                 if (found) {
 209                         break;
 210                 }
 211
 212                 nread = 0;
 213                 res = read_chunk (stream, buffer, len, &nread);
 214         }
 215         g_object_unref (stream);
 216
 217         if (!found) {
 218                 found = ogs_text_searcher_search_done (search->text_searcher);
 219         }
 220
 221         ogs_text_searcher_reset (search->text_searcher);
 222
 223         return found;
 224 }
 225
 226 #else
 227
 228 /*
 229  * This function assumes that the mime part is of type "text / *"
 230  */
 231 static gboolean
 232 search_mime_part_strcmp (TnyMimePart *part, ModestSearch *search)
 233 {
 234         TnyStream *stream;
 235         char       buffer[8193];
 236         char      *chunk[2];
 237         gssize     len;
 238         gsize     nread;
 239         gboolean   found;
 240         gboolean   res;
 241
 242         found = FALSE;
 243         len = (sizeof (buffer) - 1) / 2;
 244
 245         if (strlen (search->body) > len) {
 246                 g_warning ("Search term bigger then chunk."
 247                            "We might not find everything");
 248         }
 249
 250         stream = tny_mime_part_get_stream (part);
 251
 252         memset (buffer, 0, sizeof (buffer));
 253         chunk[0] = buffer;
 254         chunk[1] = buffer + len;
 255
 256         res = read_chunk (stream, chunk[0], len, &nread);
 257
 258         if (res == FALSE) {
 259                 goto done;
 260         }
 261
 262         found = !modest_text_utils_utf8_strcmp (search->body,
 263                                                 buffer,
 264                                                 TRUE);
 265         if (found) {
 266                 goto done;
 267         }
 268
 269         /* This works like this:
 270          * buffer: [ooooooooooo|xxxxxxxxxxxx|\0]
 271          *          ^chunk[0]  ^chunk[1]
 272          * we have prefilled chunk[0] now we always read into chunk[1]
 273          * and then move the content of chunk[1] to chunk[0].
 274          * The idea is to prevent not finding search terms that are
 275          * spread across 2 reads:
 276          * buffer: [ooooooooTES|Txxxxxxxxxxx|\0]
 277          * We should catch that because we always search the whole
 278          * buffer not only the chunks.
 279          *
 280          * Of course that breaks for search terms > sizeof (chunk)
 281          * but sizeof (chunk) should be big enough I guess (see
 282          * the g_warning in this function)
 283          * */
 284         while ((res = read_chunk (stream, chunk[1], len, &nread))) {
 285                 buffer[len + nread] = '\0';
 286
 287                 found = !modest_text_utils_utf8_strcmp (search->body,
 288                                                         buffer,
 289                                                         TRUE);
 290
 291                 /* HACK: this helps UI refreshes because the search
 292                    operations could be heavy */
 293                 while (gtk_events_pending ())
 294                         gtk_main_iteration ();
 295
 296                 if ((found)||(nread == 0)) {
 297                         break;
 298                 }
 299
 300                 /* also move the \0 */
 301                 g_memmove (chunk[0], chunk[1], len + 1);
 302         }
 303
 304 done:
 305         g_object_unref (stream);
 306         return found;
 307 }
 308 #endif /*MODEST_HAVE_OGS*/
 309
 310 static gboolean
 311 search_string (const char      *what,
 312                const char      *where,
 313                ModestSearch    *search)
 314 {
 315         gboolean found = FALSE;
 316 #ifdef MODEST_HAVE_OGS
 317         if (search->flags & MODEST_SEARCH_USE_OGS) {
 318                 found = ogs_text_searcher_search_text (search->text_searcher,
 319                                                        where,
 320                                                        strlen (where));
 321
 322                 ogs_text_searcher_reset (search->text_searcher);
 323         } else {
 324 #endif
 325                 if (what == NULL || where == NULL) {
 326                         return FALSE;
 327                 }
 328
 329                 found = !modest_text_utils_utf8_strcmp (what, where, TRUE);
 330 #ifdef MODEST_HAVE_OGS
 331         }
 332 #endif
 333
 334         /* HACK: this helps UI refreshes because the search
 335            operations could be heavy */
 336         while (gtk_events_pending ())
 337                 gtk_main_iteration ();
 338
 339         return found;
 340 }
 341
 342
 343 static gboolean
 344 search_mime_part_and_child_parts (TnyMimePart *part, ModestSearch *search)
 345 {
 346         gboolean found = FALSE;
 347
 348         /* Do not search into attachments */
 349         if (modest_tny_mime_part_is_attachment_for_modest (part))
 350                 return FALSE;
 351
 352         #ifdef MODEST_HAVE_OGS
 353         found = search_mime_part_ogs (part, search);
 354         #else
 355         found = search_mime_part_strcmp (part, search);
 356         #endif
 357
 358         if (found) {
 359                 return found;
 360         }
 361
 362         /* Check the child part too, recursively: */
 363         TnyList *child_parts = tny_simple_list_new ();
 364         tny_mime_part_get_parts (TNY_MIME_PART (part), child_parts);
 365
 366         TnyIterator *piter = tny_list_create_iterator (child_parts);
 367         while (!found && !tny_iterator_is_done (piter)) {
 368                 TnyMimePart *pcur = (TnyMimePart *) tny_iterator_get_current (piter);
 369                 if (pcur) {
 370                         found = search_mime_part_and_child_parts (pcur, search);
 371
 372                         g_object_unref (pcur);
 373                 }
 374
 375                 tny_iterator_next (piter);
 376         }
 377
 378         g_object_unref (piter);
 379         g_object_unref (child_parts);
 380
 381         return found;
 382 }
 383
 384 static void
 385 modest_search_folder_get_headers_cb (TnyFolder *folder,
 386                                      gboolean cancelled,
 387                                      TnyList *headers,
 388                                      GError *err,
 389                                      gpointer user_data)
 390 {
 391         TnyIterator *iter = NULL;
 392         SearchHelper *helper;
 393
 394         helper = (SearchHelper *) user_data;
 395
 396         if (err || cancelled) {
 397                 goto end;
 398         }
 399
 400         iter = tny_list_create_iterator (headers);
 401
 402         while (!tny_iterator_is_done (iter)) {
 403
 404                 TnyHeader *cur = (TnyHeader *) tny_iterator_get_current (iter);
 405                 const time_t t = tny_header_get_date_sent (cur);
 406                 gboolean found = FALSE;
 407
 408                 /* Ignore deleted (not yet expunged) emails: */
 409                 if (tny_header_get_flags(cur) & TNY_HEADER_FLAG_DELETED)
 410                         goto go_next;
 411
 412                 if (helper->search->flags & MODEST_SEARCH_BEFORE)
 413                         if (!(t <= helper->search->end_date))
 414                                 goto go_next;
 415
 416                 if (helper->search->flags & MODEST_SEARCH_AFTER)
 417                         if (!(t >= helper->search->start_date))
 418                                 goto go_next;
 419
 420                 if (helper->search->flags & MODEST_SEARCH_SIZE)
 421                         if (tny_header_get_message_size (cur) < helper->search->minsize)
 422                                 goto go_next;
 423
 424                 if (helper->search->flags & MODEST_SEARCH_SUBJECT) {
 425                         char *str = tny_header_dup_subject (cur);
 426
 427                         if ((found = search_string (helper->search->subject, str, helper->search))) {
 428                             helper->msg_hits = add_hit (helper->msg_hits, cur, folder);
 429                         }
 430                         g_free (str);
 431                 }
 432
 433                 if (!found && helper->search->flags & MODEST_SEARCH_SENDER) {
 434                         char *str = tny_header_dup_from (cur);
 435
 436                         if ((found = search_string (helper->search->from, (const gchar *) str, helper->search))) {
 437                                 helper->msg_hits = add_hit (helper->msg_hits, cur, folder);
 438                         }
 439                         g_free (str);
 440                 }
 441
 442                 if (!found && helper->search->flags & MODEST_SEARCH_RECIPIENT) {
 443                         char *str = tny_header_dup_to (cur);
 444
 445                         if ((found = search_string (helper->search->recipient, str, helper->search))) {
 446                                 helper->msg_hits = add_hit (helper->msg_hits, cur, folder);
 447                         }
 448                         g_free (str);
 449                 }
 450
 451                 if (!found && helper->search->flags & MODEST_SEARCH_BODY) {
 452                         TnyHeaderFlags flags;
 453                         GError      *err = NULL;
 454                         TnyMsg      *msg = NULL;
 455
 456                         flags = tny_header_get_flags (cur);
 457
 458                         if (!(flags & TNY_HEADER_FLAG_CACHED)) {
 459                                 goto go_next;
 460                         }
 461
 462                         msg = tny_folder_get_msg (folder, cur, &err);
 463
 464                         if (err != NULL || msg == NULL) {
 465                                 g_warning ("%s: Could not get message.\n", __FUNCTION__);
 466                                 g_error_free (err);
 467
 468                                 if (msg) {
 469                                         g_object_unref (msg);
 470                                 }
 471                         } else {
 472                                 gchar *str;
 473                                 str = tny_header_dup_subject (cur);
 474                                 g_debug ("Searching in %s\n", str);
 475                                 g_free (str);
 476
 477                                 found = search_mime_part_and_child_parts (TNY_MIME_PART (msg),
 478                                                                           helper->search);
 479                                 if (found) {
 480                                         helper->msg_hits = add_hit (helper->msg_hits, cur, folder);
 481                                 }
 482                         }
 483
 484                         if (msg)
 485                                 g_object_unref (msg);
 486                 }
 487         go_next:
 488                 g_object_unref (cur);
 489                 tny_iterator_next (iter);
 490         }
 491
 492         /* Frees */
 493         g_object_unref (iter);
 494  end:
 495         if (headers)
 496                 g_object_unref (headers);
 497
 498         /* Check search finished */
 499         helper->folder_count++;
 500         check_search_finished (helper);
 501 }
 502
 503 static void
 504 _search_folder (TnyFolder *folder,
 505                 SearchHelper *helper)
 506 {
 507         TnyList *list = NULL;
 508
 509         g_debug ("%s: searching folder %s.", __FUNCTION__, tny_folder_get_name (folder));
 510
 511         /* Check that we should be searching this folder. */
 512         /* Note that we don't try to search sub-folders.
 513          * Maybe we should, but that should be specified. */
 514         if (helper->search->folder && strlen (helper->search->folder)) {
 515                 if (!strcmp (helper->search->folder, "outbox")) {
 516                         if (modest_tny_folder_guess_folder_type (folder) != TNY_FOLDER_TYPE_OUTBOX) {
 517                                 modest_search_folder_get_headers_cb (folder, TRUE, NULL, NULL, helper);
 518                                 return;
 519                         }
 520                 } else if (strcmp (tny_folder_get_id (folder), helper->search->folder) != 0) {
 521                         modest_search_folder_get_headers_cb (folder, TRUE, NULL, NULL, helper);
 522                         return;
 523                 }
 524         }
 525
 526 #ifdef MODEST_HAVE_OGS
 527         if (helper->search->flags & MODEST_SEARCH_USE_OGS) {
 528
 529                 if (helper->search->text_searcher == NULL && helper->search->query != NULL) {
 530                         OgsTextSearcher *text_searcher;
 531
 532                         text_searcher = ogs_text_searcher_new (FALSE);
 533                         ogs_text_searcher_parse_query (text_searcher, helper->search->query);
 534                         helper->search->text_searcher = text_searcher;
 535                 }
 536         }
 537 #endif
 538         list = tny_simple_list_new ();
 539         /* Get the headers */
 540         tny_folder_get_headers_async (folder, list, FALSE,
 541                                       modest_search_folder_get_headers_cb,
 542                                       NULL, helper);
 543 }
 544
 545 void
 546 modest_search_folder (TnyFolder *folder,
 547                       ModestSearch *search,
 548                       ModestSearchCallback callback,
 549                       gpointer user_data)
 550 {
 551         SearchHelper *helper;
 552
 553         /* Create the helper */
 554         helper = create_helper (callback, search, user_data);
 555
 556         /* Search */
 557         _search_folder (folder, helper);
 558 }
 559
 560 static void
 561 modest_search_account_get_folders_cb (TnyFolderStore *self,
 562                                       gboolean cancelled,
 563                                       TnyList *folders,
 564                                       GError *err,
 565                                       gpointer user_data)
 566 {
 567         TnyIterator *iter;
 568         SearchHelper *helper;
 569
 570         helper = (SearchHelper *) user_data;
 571
 572         /* Remove the "account" reference */
 573         helper->account_total--;
 574
 575         if (err || cancelled) {
 576                 goto end;
 577         }
 578
 579         iter = tny_list_create_iterator (folders);
 580         while (!tny_iterator_is_done (iter)) {
 581                 TnyFolder *folder = NULL;
 582
 583                 /* Search into folder */
 584                 folder = TNY_FOLDER (tny_iterator_get_current (iter));
 585                 helper->folder_total++;
 586                 _search_folder (folder, (SearchHelper *) user_data);
 587                 g_object_unref (folder);
 588
 589                 tny_iterator_next (iter);
 590         }
 591         g_object_unref (iter);
 592  end:
 593         if (folders)
 594                 g_object_unref (folders);
 595
 596         /* Check search finished */
 597         check_search_finished (helper);
 598 }
 599
 600 static void
 601 _search_account (TnyAccount *account,
 602                  SearchHelper *helper)
 603 {
 604         TnyList *folders = tny_simple_list_new ();
 605
 606         g_debug ("%s: Searching account %s", __FUNCTION__, tny_account_get_name (account));
 607
 608         /* Add a "reference" to the folder total. This allows the code
 609            not to finalize the helper if an account is fully refreshed
 610            before we get the folders of the others */
 611         helper->account_total++;
 612
 613         /* Get folders */
 614         tny_folder_store_get_folders_async (TNY_FOLDER_STORE (account), folders, NULL,
 615                                             modest_search_account_get_folders_cb,
 616                                             NULL, helper);
 617 }
 618
 619 void
 620 modest_search_account (TnyAccount *account,
 621                        ModestSearch *search,
 622                        ModestSearchCallback callback,
 623                        gpointer user_data)
 624 {
 625         SearchHelper *helper;
 626
 627         /* Create the helper */
 628         helper = create_helper (callback, search, user_data);
 629
 630         /* Search */
 631         _search_account (account, helper);
 632 }
 633
 634 void
 635 modest_search_all_accounts (ModestSearch *search,
 636                             ModestSearchCallback callback,
 637                             gpointer user_data)
 638 {
 639         ModestTnyAccountStore *astore;
 640         TnyList *accounts;
 641         TnyIterator *iter;
 642         GList *hits;
 643         SearchHelper *helper;
 644
 645         hits = NULL;
 646         astore = modest_runtime_get_account_store ();
 647
 648         accounts = tny_simple_list_new ();
 649         tny_account_store_get_accounts (TNY_ACCOUNT_STORE (astore),
 650                                         accounts,
 651                                         TNY_ACCOUNT_STORE_STORE_ACCOUNTS);
 652
 653         /* Create the helper */
 654         helper = create_helper (callback, search, user_data);
 655
 656         /* Search through all accounts */
 657         iter = tny_list_create_iterator (accounts);
 658         while (!tny_iterator_is_done (iter)) {
 659                 TnyAccount *account = NULL;
 660
 661                 account = TNY_ACCOUNT (tny_iterator_get_current (iter));
 662                 _search_account (account, helper);
 663                 g_object_unref (account);
 664
 665                 tny_iterator_next (iter);
 666         }
 667         g_object_unref (iter);
 668         g_object_unref (accounts);
 669 }
 670
 671 static SearchHelper *
 672 create_helper (ModestSearchCallback callback,
 673                ModestSearch *search,
 674                gpointer user_data)
 675 {
 676         SearchHelper *helper;
 677
 678         helper = g_slice_new0 (SearchHelper);
 679         helper->folder_count = 0;
 680         helper->folder_total = 0;
 681         helper->account_total = 0;
 682         helper->search = search;
 683         helper->callback = callback;
 684         helper->user_data = user_data;
 685         helper->msg_hits = NULL;
 686
 687         return helper;
 688 }
 689
 690 void
 691 modest_search_free (ModestSearch *search)
 692 {
 693         if (search->folder)
 694                 g_free (search->folder);
 695         if (search->subject)
 696                 g_free (search->subject);
 697         if (search->from)
 698                 g_free (search->from);
 699         if (search->recipient)
 700                 g_free (search->recipient);
 701         if (search->body)
 702                 g_free (search->body);
 703
 704 #ifdef MODEST_HAVE_OGS
 705         if (search->query)
 706                 g_free (search->query);
 707         if (search->text_searcher)
 708                 ogs_text_searcher_free (search->text_searcher);
 709 #endif
 710 }
 711
 712 static void
 713 check_search_finished (SearchHelper *helper)
 714 {
 715         /* If there are no more folders to check the account search has finished */
 716         if (helper->folder_count == helper->folder_total && helper->account_total == 0) {
 717                 /* callback */
 718                 helper->callback (helper->msg_hits, helper->user_data);
 719
 720                 /* free helper */
 721                 g_list_free (helper->msg_hits);
 722                 g_slice_free (SearchHelper, helper);
 723         }
 724 }