src/lib/elm_store.c

   1 #include <Elementary.h>
   2 #include <Elementary_Cursor.h>
   3 #include "elm_priv.h"
   4
   5 #ifndef EFL_HAVE_THREADS
   6 # error "No thread support. Required."
   7 #endif
   8
   9 #ifdef EFL_HAVE_POSIX_THREADS
  10 # include <pthread.h>
  11 # define LK(x)  pthread_mutex_t x
  12 # define LKI(x) pthread_mutex_init(&(x), NULL);
  13 # define LKD(x) pthread_mutex_destroy(&(x));
  14 # define LKL(x) pthread_mutex_lock(&(x));
  15 # define LKU(x) pthread_mutex_unlock(&(x));
  16 #else /* EFL_HAVE_WIN32_THREADS */
  17 # define WIN32_LEAN_AND_MEAN
  18 # include <windows.h>
  19 # undef WIN32_LEAN_AND_MEAN
  20 # define LK(x)  HANDLE x
  21 # define LKI(x) x = CreateMutex(NULL, FALSE, NULL)
  22 # define LKD(x) CloseHandle(x)
  23 # define LKL(x) WaitForSingleObject(x, INFINITE)
  24 # define LKU(x) ReleaseMutex(x)
  25 #endif
  26
  27 #define ELM_STORE_MAGIC            0x3f89ea56
  28 #define ELM_STORE_FILESYSTEM_MAGIC 0x3f89ea57
  29 #define ELM_STORE_DBSYSTEM_MAGIC   0x3f89ea58
  30 #define ELM_STORE_ITEM_MAGIC       0x5afe8c1d
  31 #define CACHE_COUNT                127
  32 #define SCREEN_ITEM_COUNT    10
  33
  34 struct _Elm_Store
  35 {
  36    EINA_MAGIC;
  37    void         (*free)(Elm_Store *store);
  38    struct {
  39         void        (*free)(Elm_Store_Item *item);
  40    } item;
  41    Evas_Object   *genlist;
  42    Ecore_Thread  *list_th;
  43    Eina_Inlist   *items;
  44    Eina_List     *realized;
  45    int            realized_count;
  46    int            cache_max;
  47    int            start_fetch_index;
  48    int            end_fetch_index;
  49    int            item_count;
  50    int            total_item_count;
  51    int            block_count;
  52    int            type;
  53    Eina_List     *header_items;
  54    struct {
  55         struct {
  56              Elm_Store_Item_List_Cb     func;
  57              void                      *data;
  58         } list;
  59         struct {
  60              Elm_Store_Item_Fetch_Cb    func;
  61              void                      *data;
  62         } fetch;
  63         struct {
  64              Elm_Store_Item_Unfetch_Cb  func;
  65              void                      *data;
  66         } unfetch;
  67         struct {
  68              Elm_Store_Item_Select_Cb func;
  69              void                    *data;
  70         } item_select;
  71         struct {
  72              Elm_Store_Item_Sort_Cb func;
  73              void                  *data;
  74         } item_sort;
  75         struct {
  76              Elm_Store_Item_Free_Cb func;
  77              void                  *data;
  78         } item_free;
  79    } cb;
  80    Eina_Bool      sorted : 1;
  81    Eina_Bool      fetch_thread : 1;
  82    Eina_Bool      multi_load : 1;
  83    Eina_Bool      live : 1;
  84 };
  85
  86 struct _Elm_Store_Item
  87 {
  88    EINA_INLIST;
  89    EINA_MAGIC;
  90    Elm_Store                    *store;
  91    Elm_Genlist_Item             *item;
  92    Ecore_Thread                 *fetch_th;
  93    Ecore_Job                    *eval_job;
  94    const Elm_Store_Item_Mapping *mapping;
  95    void                         *data;
  96    Elm_Store_Item_Info          *item_info;
  97    LK(lock);
  98    Eina_Bool                     live : 1;
  99    Eina_Bool                     was_live : 1;
 100    Eina_Bool                     realized : 1;
 101    Eina_Bool                     fetched : 1;
 102 };
 103
 104 struct _Elm_Store_Filesystem
 105 {
 106    Elm_Store   base;
 107    EINA_MAGIC;
 108    const char *dir;
 109 };
 110
 111 struct _Elm_Store_Item_Filesystem
 112 {
 113    Elm_Store_Item base;
 114    const char    *path;
 115 };
 116
 117 struct _Elm_Store_DBsystem
 118 {
 119    Elm_Store   base;
 120    EINA_MAGIC;
 121    void       *p_db;
 122 };
 123
 124 typedef enum
 125 {
 126    ELM_STORE_ITEM_SORT_LOW = -1,
 127    ELM_STORE_ITEM_SORT_SAME = 0,
 128    ELM_STORE_ITEM_SORT_HIGH = 1,
 129    ELM_STORE_ITEM_SORT_UNKNOWN = 2,
 130    ELM_STORE_ITEM_SORT_LAST
 131 } Elm_Store_Item_Sort_Type;
 132
 133 static Elm_Genlist_Item_Class _store_item_class;
 134
 135 static char *_item_label_get(void *data, Evas_Object *obj __UNUSED__, const char *part);
 136 static Evas_Object *_item_icon_get(void *data, Evas_Object *obj, const char *part);
 137 static void _item_del(void *data __UNUSED__, Evas_Object *obj __UNUSED__);
 138 static void _store_free(Elm_Store *st);
 139 static void _item_free(Elm_Store_Item *sti);
 140 static void _item_realized(void *data, Evas_Object *obj __UNUSED__, void *event_info);
 141 static void _item_unrealized(void *data, Evas_Object *obj __UNUSED__, void *event_info);
 142 static void _genlist_del(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__);
 143 static Elm_Store_Item *_item_unfetch(Elm_Store *st, int index);
 144
 145 static void
 146 _store_cache_trim(Elm_Store *st)
 147 {
 148    while ((st->realized ) &&
 149           (((int)eina_list_count(st->realized) - st->realized_count)
 150            > st->cache_max))
 151      {
 152         Elm_Store_Item *sti = st->realized->data;
 153         if (sti->realized)
 154           {
 155              st->realized = eina_list_remove_list(st->realized, st->realized);
 156              sti->realized = EINA_FALSE;
 157           }
 158         LKL(sti->lock);
 159         if (!sti->fetched)
 160           {
 161              LKU(sti->lock);
 162              if (sti->fetch_th)
 163                {
 164                   ecore_thread_cancel(sti->fetch_th);
 165                   sti->fetch_th = NULL;
 166                }
 167              LKL(sti->lock);
 168           }
 169         sti->fetched = EINA_FALSE;
 170         LKU(sti->lock);
 171         if (st->cb.unfetch.func)
 172           st->cb.unfetch.func(st->cb.unfetch.data, sti, NULL);
 173         LKL(sti->lock);
 174         sti->data = NULL;
 175         LKU(sti->lock);
 176      }
 177 }
 178
 179 static void
 180 _store_genlist_del(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 181 {
 182    Elm_Store *st = data;
 183    st->genlist = NULL;
 184    if (st->list_th)
 185      {
 186         ecore_thread_cancel(st->list_th);
 187         st->list_th = NULL;
 188      }
 189    eina_list_free(st->realized);
 190    while (st->items)
 191      {
 192         Elm_Store_Item *sti = (Elm_Store_Item *)st->items;
 193         if (sti->eval_job) ecore_job_del(sti->eval_job);
 194         if (sti->fetch_th)
 195           {
 196              ecore_thread_cancel(sti->fetch_th);
 197              sti->fetch_th = NULL;
 198           }
 199         if (sti->store->item.free) sti->store->item.free(sti);
 200         if (sti->data)
 201           {
 202              if (st->cb.unfetch.func)
 203                st->cb.unfetch.func(st->cb.unfetch.data, sti, NULL);
 204              sti->data = NULL;
 205           }
 206         LKD(sti->lock);
 207         free(sti);
 208      }
 209    // FIXME: kill threads and more
 210 }
 211
 212 ////// **** WARNING ***********************************************************
 213 ////   * This function runs inside a thread outside efl mainloop. Be careful! *
 214 //     ************************************************************************
 215 /* TODO: refactor lock part into core? this does not depend on filesystm part */
 216 static void
 217 _store_filesystem_fetch_do(void *data, Ecore_Thread *th __UNUSED__)
 218 {
 219    Elm_Store_Item *sti = data;
 220    LKL(sti->lock);
 221    if (sti->data)
 222      {
 223         LKU(sti->lock);
 224         return;
 225      }
 226    if (!sti->fetched)
 227      {
 228         LKU(sti->lock);
 229         if (sti->store->cb.fetch.func)
 230           sti->store->cb.fetch.func(sti->store->cb.fetch.data, sti, NULL);
 231         LKL(sti->lock);
 232         sti->fetched = EINA_TRUE;
 233      }
 234    LKU(sti->lock);
 235 }
 236 //     ************************************************************************
 237 ////   * End of separate thread function.                                     *
 238 ////// ************************************************************************
 239 /* TODO: refactor lock part into core? this does not depend on filesystm part */
 240 static void
 241 _store_filesystem_fetch_end(void *data, Ecore_Thread *th)
 242 {
 243    Elm_Store_Item *sti = data;
 244    LKL(sti->lock);
 245    if (sti->data) elm_genlist_item_update(sti->item);
 246    LKU(sti->lock);
 247    if (th == sti->fetch_th) sti->fetch_th = NULL;
 248 }
 249
 250 /* TODO: refactor lock part into core? this does not depend on filesystm part */
 251 static void
 252 _store_filesystem_fetch_cancel(void *data, Ecore_Thread *th)
 253 {
 254    Elm_Store_Item *sti = data;
 255    LKL(sti->lock);
 256    if (th == sti->fetch_th) sti->fetch_th = NULL;
 257    if (sti->data) elm_genlist_item_update(sti->item);
 258    LKU(sti->lock);
 259 }
 260
 261 static void
 262 _store_item_eval(void *data)
 263 {
 264    Elm_Store_Item *sti = data;
 265    sti->eval_job = NULL;
 266    if (sti->live == sti->was_live) return;
 267    sti->was_live = sti->live;
 268    if (sti->live)
 269      {
 270         _store_cache_trim(sti->store);
 271         if (sti->realized)
 272           sti->store->realized = eina_list_remove(sti->store->realized, sti);
 273         sti->store->realized = eina_list_append(sti->store->realized, sti);
 274         sti->realized = EINA_TRUE;
 275         if ((sti->store->fetch_thread) && (!sti->fetch_th))
 276           sti->fetch_th = ecore_thread_run(_store_filesystem_fetch_do,
 277                                            _store_filesystem_fetch_end,
 278                                            _store_filesystem_fetch_cancel,
 279                                            sti);
 280         else if ((!sti->store->fetch_thread))
 281           {
 282              _store_filesystem_fetch_do(sti, NULL);
 283              _store_filesystem_fetch_end(sti, NULL);
 284           }
 285      }
 286    else
 287      {
 288         if (sti->fetch_th)
 289           {
 290              ecore_thread_cancel(sti->fetch_th);
 291              sti->fetch_th = NULL;
 292           }
 293         _store_cache_trim(sti->store);
 294      }
 295 }
 296
 297 static void
 298 _store_genlist_item_realized(void *data, Evas_Object *obj __UNUSED__, void *event_info)
 299 {
 300    Elm_Store *st = data;
 301    Elm_Genlist_Item *gli = event_info;
 302    Elm_Store_Item *sti = elm_genlist_item_data_get(gli);
 303    if (!sti) return;
 304    st->realized_count++;
 305    sti->live = EINA_TRUE;
 306    if (sti->eval_job) ecore_job_del(sti->eval_job);
 307    sti->eval_job = ecore_job_add(_store_item_eval, sti);
 308 }
 309
 310 static void
 311 _store_genlist_item_unrealized(void *data, Evas_Object *obj __UNUSED__, void *event_info)
 312 {
 313    Elm_Store *st = data;
 314    Elm_Genlist_Item *gli = event_info;
 315    Elm_Store_Item *sti = elm_genlist_item_data_get(gli);
 316    if (!sti) return;
 317    st->realized_count--;
 318    sti->live = EINA_FALSE;
 319    if (sti->eval_job) ecore_job_del(sti->eval_job);
 320    sti->eval_job = ecore_job_add(_store_item_eval, sti);
 321 }
 322
 323 static const Elm_Store_Item_Mapping *
 324 _store_item_mapping_find(Elm_Store_Item *sti, const char *part)
 325 {
 326    const Elm_Store_Item_Mapping *m;
 327
 328    for (m = sti->mapping; m; m ++)
 329      {
 330         if (m->type == ELM_STORE_ITEM_MAPPING_NONE) break;
 331         if (!strcmp(part, m->part)) return m;
 332      }
 333    return NULL;
 334 }
 335
 336 static char *
 337 _store_item_label_get(void *data, Evas_Object *obj __UNUSED__, const char *part)
 338 {
 339    Elm_Store_Item *sti = data;
 340    const char *s = "";
 341    LKL(sti->lock);
 342    if (sti->data)
 343      {
 344         const Elm_Store_Item_Mapping *m = _store_item_mapping_find(sti, part);
 345         if (m)
 346           {
 347              switch (m->type)
 348                {
 349                 case ELM_STORE_ITEM_MAPPING_LABEL:
 350                    s = *(char **)(((unsigned char *)sti->data) + m->offset);
 351                    break;
 352                 case ELM_STORE_ITEM_MAPPING_CUSTOM:
 353                    if (m->details.custom.func)
 354                      s = m->details.custom.func(sti->data, sti, part);
 355                    break;
 356                 default:
 357                    break;
 358                }
 359           }
 360      }
 361    LKU(sti->lock);
 362    return strdup(s);
 363 }
 364
 365 static Evas_Object *
 366 _store_item_icon_get(void *data, Evas_Object *obj, const char *part)
 367 {
 368    Elm_Store_Item *sti = data;
 369    LKL(sti->lock);
 370    if (sti->data)
 371      {
 372         const Elm_Store_Item_Mapping *m = _store_item_mapping_find(sti, part);
 373         if (m)
 374           {
 375              Evas_Object *ic = NULL;
 376              const char *s = NULL;
 377
 378              switch (m->type)
 379                {
 380                 case ELM_STORE_ITEM_MAPPING_ICON:
 381                    ic = elm_icon_add(obj);
 382                    s = *(char **)(((unsigned char *)sti->data) + m->offset);
 383                    elm_icon_order_lookup_set(ic, m->details.icon.lookup_order);
 384                    evas_object_size_hint_aspect_set(ic,
 385                                                     EVAS_ASPECT_CONTROL_VERTICAL,
 386                                                     m->details.icon.w,
 387                                                     m->details.icon.h);
 388                    elm_icon_smooth_set(ic, m->details.icon.smooth);
 389                    elm_icon_no_scale_set(ic, m->details.icon.no_scale);
 390                    elm_icon_scale_set(ic,
 391                                       m->details.icon.scale_up,
 392                                       m->details.icon.scale_down);
 393                    if (s)
 394                      {
 395                         if (m->details.icon.standard_name)
 396                           elm_icon_standard_set(ic, s);
 397                         else
 398                           elm_icon_file_set(ic, s, NULL);
 399                      }
 400                    break;
 401                 case ELM_STORE_ITEM_MAPPING_PHOTO:
 402                    ic = elm_icon_add(obj);
 403                    s = *(char **)(((unsigned char *)sti->data) + m->offset);
 404                    elm_photo_size_set(ic, m->details.photo.size);
 405                    if (s)
 406                      elm_photo_file_set(ic, s);
 407                    break;
 408                 case ELM_STORE_ITEM_MAPPING_CUSTOM:
 409                    if (m->details.custom.func)
 410                      ic = m->details.custom.func(sti->data, sti, part);
 411                    break;
 412                 default:
 413                    break;
 414                }
 415              LKU(sti->lock);
 416              return ic;
 417           }
 418      }
 419    LKU(sti->lock);
 420    return NULL;
 421 }
 422
 423 static void
 424 _store_item_del(void *data __UNUSED__, Evas_Object *obj __UNUSED__)
 425 {
 426 }
 427
 428 ////// **** WARNING ***********************************************************
 429 ////   * This function runs inside a thread outside efl mainloop. Be careful! *
 430 //     ************************************************************************
 431 static int
 432 _store_filesystem_sort_cb(void *d1, void *d2)
 433 {
 434    Elm_Store_Item_Info *info1 = d1, *info2 = d2;
 435    if ((!info1->sort_id) || (!info2->sort_id)) return 0;
 436    return strcoll(info1->sort_id, info2->sort_id);
 437 }
 438
 439 static void
 440 _store_filesystem_list_do(void *data, Ecore_Thread *th __UNUSED__)
 441 {
 442    Elm_Store_Filesystem *st = data;
 443    Eina_Iterator *it;
 444    const Eina_File_Direct_Info *finf;
 445    Eina_List *sorted = NULL;
 446    Elm_Store_Item_Info_Filesystem *info;
 447
 448    // FIXME: need a way to abstract the open, list, feed items from list
 449    // and maybe get initial sortable key vals etc.
 450    it = eina_file_stat_ls(st->dir);
 451    if (!it) return;
 452    EINA_ITERATOR_FOREACH(it, finf)
 453      {
 454         Eina_Bool ok;
 455         size_t pathsz = finf->path_length + 1;
 456
 457         info = calloc(1, sizeof(Elm_Store_Item_Info_Filesystem) + pathsz);
 458         if (!info) continue;
 459         info->path = ((char *)info) + sizeof(Elm_Store_Item_Info_Filesystem);
 460         memcpy(info->path, finf->path, pathsz);
 461         ok = EINA_TRUE;
 462         if (st->base.cb.list.func)
 463           ok = st->base.cb.list.func(st->base.cb.list.data, &info->base);
 464         if (ok)
 465           {
 466              if (!st->base.sorted) ecore_thread_feedback(th, info);
 467              else sorted = eina_list_append(sorted, info);
 468           }
 469         else
 470           {
 471              if (info->base.sort_id) free(info->base.sort_id);
 472              free(info);
 473           }
 474         if (ecore_thread_check(th)) break;
 475      }
 476    eina_iterator_free(it);
 477    if (sorted)
 478      {
 479         sorted = eina_list_sort(sorted, 0,
 480                                 EINA_COMPARE_CB(_store_filesystem_sort_cb));
 481         EINA_LIST_FREE(sorted, info)
 482           {
 483              if (!ecore_thread_check(th)) ecore_thread_feedback(th, info);
 484           }
 485      }
 486 }
 487 //     ************************************************************************
 488 ////   * End of separate thread function.                                     *
 489 ////// ************************************************************************
 490
 491 static void
 492 _store_filesystem_list_end(void *data, Ecore_Thread *th)
 493 {
 494    Elm_Store *st = data;
 495    if (th == st->list_th) st->list_th = NULL;
 496 }
 497
 498 static void
 499 _store_filesystem_list_cancel(void *data, Ecore_Thread *th)
 500 {
 501    Elm_Store *st = data;
 502    if (th == st->list_th) st->list_th = NULL;
 503 }
 504
 505 static void
 506 _store_filesystem_list_update(void *data, Ecore_Thread *th __UNUSED__, void *msg)
 507 {
 508    Elm_Store *st = data;
 509    Elm_Store_Item_Filesystem *sti;
 510    Elm_Genlist_Item_Class *itc;
 511    Elm_Store_Item_Info_Filesystem *info = msg;
 512
 513    sti = calloc(1, sizeof(Elm_Store_Item_Filesystem));
 514    if (!sti) goto done;
 515    LKI(sti->base.lock);
 516    EINA_MAGIC_SET(&(sti->base), ELM_STORE_ITEM_MAGIC);
 517    sti->base.store = st;
 518    sti->base.data = info->base.data;
 519    sti->base.mapping = info->base.mapping;
 520    sti->path = eina_stringshare_add(info->path);
 521
 522    itc = info->base.item_class;
 523    if (!itc) itc = &_store_item_class;
 524    else
 525      {
 526         itc->func.label_get = (GenlistItemLabelGetFunc)_store_item_label_get;
 527         itc->func.icon_get  = (GenlistItemIconGetFunc)_store_item_icon_get;
 528         itc->func.state_get = NULL; // FIXME: support state gets later
 529         itc->func.del = (GenlistItemDelFunc)_store_item_del;
 530      }
 531
 532    // FIXME: handle being a parent (tree)
 533    sti->base.item = elm_genlist_item_append(st->genlist, itc,
 534                                             sti/* item data */,
 535                                             NULL/* parent */,
 536                                             ELM_GENLIST_ITEM_NONE,
 537                                             NULL/* func */,
 538                                             NULL/* func data */);
 539    st->items = eina_inlist_append(st->items, (Eina_Inlist *)sti);
 540 done:
 541    if (info->base.sort_id) free(info->base.sort_id);
 542    free(info);
 543 }
 544
 545 // public api calls
 546 static Elm_Store *
 547 _elm_store_new(size_t size)
 548 {
 549    Elm_Store *st = calloc(1, size);
 550    EINA_SAFETY_ON_NULL_RETURN_VAL(st, NULL);
 551
 552    // TODO: BEGIN - move to elm_store_init()
 553    eina_magic_string_set(ELM_STORE_MAGIC, "Elm_Store");
 554    eina_magic_string_set(ELM_STORE_FILESYSTEM_MAGIC, "Elm_Store_Filesystem");
 555    eina_magic_string_set(ELM_STORE_ITEM_MAGIC, "Elm_Store_Item");
 556    // setup default item class (always the same) if list cb doesnt provide one
 557    _store_item_class.item_style = "default";
 558    _store_item_class.func.label_get = (GenlistItemLabelGetFunc)_store_item_label_get;
 559    _store_item_class.func.icon_get  = (GenlistItemIconGetFunc)_store_item_icon_get;
 560    _store_item_class.func.state_get = NULL; // FIXME: support state gets later
 561    _store_item_class.func.del       = (GenlistItemDelFunc)_store_item_del;
 562    // TODO: END - move to elm_store_init()
 563
 564    EINA_MAGIC_SET(st, ELM_STORE_MAGIC);
 565    st->cache_max = 128;
 566    st->fetch_thread = EINA_TRUE;
 567    st->type = 0;
 568    return st;
 569 }
 570 #define elm_store_new(type) (type*)_elm_store_new(sizeof(type))
 571
 572 static void
 573 _elm_store_filesystem_free(Elm_Store *store)
 574 {
 575    Elm_Store_Filesystem *st = (Elm_Store_Filesystem *)store;
 576    eina_stringshare_del(st->dir);
 577 }
 578
 579 static void
 580 _elm_store_filesystem_item_free(Elm_Store_Item *item)
 581 {
 582    Elm_Store_Item_Filesystem *sti = (Elm_Store_Item_Filesystem *)item;
 583    eina_stringshare_del(sti->path);
 584 }
 585
 586 EAPI Elm_Store *
 587 elm_store_filesystem_new(void)
 588 {
 589    Elm_Store_Filesystem *st = elm_store_new(Elm_Store_Filesystem);
 590    EINA_SAFETY_ON_NULL_RETURN_VAL(st, NULL);
 591
 592    EINA_MAGIC_SET(st, ELM_STORE_FILESYSTEM_MAGIC);
 593    st->base.free = _elm_store_filesystem_free;
 594    st->base.item.free = _elm_store_filesystem_item_free;
 595
 596    return &st->base;
 597 }
 598
 599 EAPI void
 600 elm_store_free(Elm_Store *st)
 601 {
 602    void (*item_free)(Elm_Store_Item *);
 603    if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
 604    if (st->list_th)
 605      {
 606         ecore_thread_cancel(st->list_th);
 607         st->list_th = NULL;
 608      }
 609
 610    if (!st->type)
 611      {
 612         eina_list_free(st->realized);
 613         item_free = st->item.free;
 614         while (st->items)
 615           {
 616              Elm_Store_Item *sti = (Elm_Store_Item *)st->items;
 617              if (sti->eval_job) ecore_job_del(sti->eval_job);
 618              if (sti->fetch_th)
 619                {
 620                   ecore_thread_cancel(sti->fetch_th);
 621                   sti->fetch_th = NULL;
 622                }
 623              if (item_free) item_free(sti);
 624              if (sti->data)
 625                {
 626                   if (st->cb.unfetch.func)
 627                     st->cb.unfetch.func(st->cb.unfetch.data, sti, NULL);
 628                   sti->data = NULL;
 629                }
 630              LKD(sti->lock);
 631              free(sti);
 632           }
 633         if (st->genlist)
 634           {
 635              evas_object_event_callback_del_full(st->genlist, EVAS_CALLBACK_DEL, _store_genlist_del, st);
 636              evas_object_smart_callback_del(st->genlist, "realized", _store_genlist_item_realized);
 637              evas_object_smart_callback_del(st->genlist, "unrealized", _store_genlist_item_unrealized);
 638              elm_genlist_clear(st->genlist);
 639              st->genlist = NULL;
 640           }
 641         if (st->free) st->free(st);
 642      }
 643    else
 644      {
 645         st->live = EINA_FALSE;
 646         if (st->genlist)
 647           {
 648              evas_object_event_callback_del_full(st->genlist, EVAS_CALLBACK_DEL, _genlist_del, st);
 649              evas_object_smart_callback_del(st->genlist, "realized", _item_realized);
 650              evas_object_smart_callback_del(st->genlist, "unrealized", _item_unrealized);
 651              elm_genlist_clear(st->genlist);
 652              st->genlist = NULL;
 653           }
 654         Eina_List *l;
 655         Eina_List *l_next;
 656         Eina_List *header_list;
 657
 658         EINA_LIST_FOREACH_SAFE(st->header_items, l, l_next, header_list)
 659           {
 660              if (header_list)
 661                {
 662                   Eina_List *in_l;
 663                   Eina_List *in_l_next;
 664                   Elm_Store_Item *sti;
 665                   EINA_LIST_FOREACH_SAFE(header_list, in_l, in_l_next, sti)
 666                     {
 667                        if(sti)
 668                          {
 669                             if (st->fetch_thread && sti->fetch_th)
 670                               {
 671                                  ecore_thread_cancel(sti->fetch_th);
 672                                  sti->fetch_th = NULL;
 673                               }
 674                             if (sti->fetched)
 675                               {
 676                                  int index = elm_store_item_index_get(sti);
 677                                  if (index != -1) _item_unfetch(st, index);
 678                               }
 679                             if (st->cb.item_free.func)
 680                               {
 681                                  st->cb.item_free.func(st->cb.item_free.data, sti->item_info);
 682                                  sti->item_info = NULL;
 683                               }
 684                             LKD(sti->lock);
 685                          }
 686                     }
 687                   st->header_items = eina_list_remove(st->header_items, header_list);
 688                   header_list = eina_list_free(header_list);
 689                }
 690           }
 691         st->header_items = eina_list_free(st->header_items);
 692      }
 693    free(st);
 694 }
 695
 696 EAPI void
 697 elm_store_target_genlist_set(Elm_Store *st, Evas_Object *obj)
 698 {
 699    if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
 700    if (st->genlist == obj) return;
 701    if (st->genlist)
 702      {
 703         if (!st->type)
 704           {
 705              evas_object_event_callback_del_full(st->genlist, EVAS_CALLBACK_DEL, _store_genlist_del, st);
 706              evas_object_smart_callback_del(st->genlist, "realized", _store_genlist_item_realized);
 707              evas_object_smart_callback_del(st->genlist, "unrealized", _store_genlist_item_unrealized);
 708           }
 709         else
 710           {
 711              evas_object_event_callback_del_full(st->genlist, EVAS_CALLBACK_DEL, _genlist_del, st);
 712              evas_object_smart_callback_del(st->genlist, "realized", _item_realized);
 713              evas_object_smart_callback_del(st->genlist, "unrealized", _item_unrealized);
 714           }
 715         elm_genlist_clear(st->genlist);
 716      }
 717    st->genlist = obj;
 718    if (!st->genlist) return;
 719    if (!st->type)
 720      {
 721         evas_object_smart_callback_add(st->genlist, "realized", _store_genlist_item_realized, st);
 722         evas_object_smart_callback_add(st->genlist, "unrealized", _store_genlist_item_unrealized, st);
 723         evas_object_event_callback_add(st->genlist, EVAS_CALLBACK_DEL, _store_genlist_del, st);
 724      }
 725    else
 726      {
 727         evas_object_smart_callback_add(st->genlist, "realized", _item_realized, st);
 728         evas_object_smart_callback_add(st->genlist, "unrealized", _item_unrealized, st);
 729         evas_object_event_callback_add(st->genlist, EVAS_CALLBACK_DEL, _genlist_del, st);
 730         st->block_count = elm_genlist_block_count_get(st->genlist);
 731      }
 732    elm_genlist_clear(st->genlist);
 733 }
 734
 735 EAPI void
 736 elm_store_filesystem_directory_set(Elm_Store *store, const char *dir)
 737 {
 738    Elm_Store_Filesystem *st = (Elm_Store_Filesystem *)store;
 739    if (!EINA_MAGIC_CHECK(store, ELM_STORE_MAGIC)) return;
 740    if (!EINA_MAGIC_CHECK(st, ELM_STORE_FILESYSTEM_MAGIC)) return;
 741    if (store->list_th)
 742      {
 743         ecore_thread_cancel(store->list_th);
 744         store->list_th = NULL;
 745      }
 746    if (!eina_stringshare_replace(&st->dir, dir)) return;
 747    store->list_th = ecore_thread_feedback_run(_store_filesystem_list_do,
 748                                               _store_filesystem_list_update,
 749                                               _store_filesystem_list_end,
 750                                               _store_filesystem_list_cancel,
 751                                               st, EINA_TRUE);
 752 }
 753
 754 EAPI const char *
 755 elm_store_filesystem_directory_get(const Elm_Store *store)
 756 {
 757    const Elm_Store_Filesystem *st = (const Elm_Store_Filesystem *)store;
 758    if (!EINA_MAGIC_CHECK(store, ELM_STORE_MAGIC)) return NULL;
 759    if (!EINA_MAGIC_CHECK(st, ELM_STORE_FILESYSTEM_MAGIC)) return NULL;
 760    return st->dir;
 761 }
 762
 763 EAPI void
 764 elm_store_cache_set(Elm_Store *st, int max)
 765 {
 766    if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
 767    if (max < 0) max = 0;
 768    st->cache_max = max;
 769    if(!st->type) _store_cache_trim(st);
 770 }
 771
 772 EAPI int
 773 elm_store_cache_get(const Elm_Store *st)
 774 {
 775    if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return 0;
 776    return st->cache_max;
 777 }
 778
 779 EAPI void
 780 elm_store_list_func_set(Elm_Store *st, Elm_Store_Item_List_Cb func, const void *data)
 781 {
 782    if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
 783    st->cb.list.func = func;
 784    st->cb.list.data = (void *)data;
 785 }
 786
 787 EAPI void
 788 elm_store_fetch_func_set(Elm_Store *st, Elm_Store_Item_Fetch_Cb func, const void *data)
 789 {
 790    if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
 791    st->cb.fetch.func = func;
 792    st->cb.fetch.data = (void *)data;
 793 }
 794
 795 EAPI void
 796 elm_store_fetch_thread_set(Elm_Store *st, Eina_Bool use_thread)
 797 {
 798    if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
 799    st->fetch_thread = !!use_thread;
 800 }
 801
 802 EAPI Eina_Bool
 803 elm_store_fetch_thread_get(const Elm_Store *st)
 804 {
 805    if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return EINA_FALSE;
 806    return st->fetch_thread;
 807 }
 808
 809 EAPI void
 810 elm_store_unfetch_func_set(Elm_Store *st, Elm_Store_Item_Unfetch_Cb func, const void *data)
 811 {
 812    if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
 813    st->cb.unfetch.func = func;
 814    st->cb.unfetch.data = (void *)data;
 815 }
 816
 817 EAPI void
 818 elm_store_sorted_set(Elm_Store *st, Eina_Bool sorted)
 819 {
 820    if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
 821    st->sorted = sorted;
 822 }
 823
 824 EAPI Eina_Bool
 825 elm_store_sorted_get(const Elm_Store *st)
 826 {
 827    if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return EINA_FALSE;
 828    return st->sorted;
 829 }
 830
 831 EAPI void
 832 elm_store_item_data_set(Elm_Store_Item *sti, void *data)
 833 {
 834    if (!EINA_MAGIC_CHECK(sti, ELM_STORE_ITEM_MAGIC)) return;
 835    LKL(sti->lock);
 836    sti->data = data;
 837    LKU(sti->lock);
 838 }
 839
 840 EAPI void *
 841 elm_store_item_data_get(Elm_Store_Item *sti)
 842 {
 843    if (!EINA_MAGIC_CHECK(sti, ELM_STORE_ITEM_MAGIC)) return NULL;
 844    void *d;
 845    LKL(sti->lock);
 846    d = sti->data;
 847    LKU(sti->lock);
 848    return d;
 849 }
 850
 851 EAPI const Elm_Store *
 852 elm_store_item_store_get(const Elm_Store_Item *sti)
 853 {
 854    if (!EINA_MAGIC_CHECK(sti, ELM_STORE_ITEM_MAGIC)) return NULL;
 855    // dont need lock
 856    return sti->store;
 857 }
 858
 859 EAPI const Elm_Genlist_Item *
 860 elm_store_item_genlist_item_get(const Elm_Store_Item *sti)
 861 {
 862    if (!EINA_MAGIC_CHECK(sti, ELM_STORE_ITEM_MAGIC)) return NULL;
 863    // dont need lock
 864    return sti->item;
 865 }
 866
 867 EAPI const char *
 868 elm_store_item_filesystem_path_get(const Elm_Store_Item *item)
 869 {
 870    Elm_Store_Item_Filesystem *sti = (Elm_Store_Item_Filesystem *)item;
 871    Elm_Store_Filesystem *st;
 872    if (!EINA_MAGIC_CHECK(item, ELM_STORE_ITEM_MAGIC)) return NULL;
 873    if (!EINA_MAGIC_CHECK(item->store, ELM_STORE_MAGIC)) return NULL;
 874    /* ensure we're dealing with filesystem item */
 875    st = (Elm_Store_Filesystem *)item->store;
 876    if (!EINA_MAGIC_CHECK(st, ELM_STORE_FILESYSTEM_MAGIC)) return NULL;
 877    // dont need lock
 878    return sti->path;
 879 }
 880
 881 // TODO: BEGIN -DBsystem store
 882
 883 static Elm_Store *
 884 _store_init(size_t size)
 885 {
 886    Elm_Store *st = calloc(1, size);
 887    if (!st) return NULL;
 888
 889    eina_magic_string_set(ELM_STORE_MAGIC, "Elm_Store");
 890    eina_magic_string_set(ELM_STORE_FILESYSTEM_MAGIC, "Elm_Store_Filesystem");
 891    eina_magic_string_set(ELM_STORE_ITEM_MAGIC, "Elm_Store_Item");
 892    eina_magic_string_set(ELM_STORE_DBSYSTEM_MAGIC, "Elm_Store_DBsystem");
 893
 894    _store_item_class.item_style = "default";
 895    _store_item_class.func.label_get = (GenlistItemLabelGetFunc)_item_label_get;
 896    _store_item_class.func.icon_get = (GenlistItemIconGetFunc)_item_icon_get;
 897    _store_item_class.func.state_get = NULL;
 898    _store_item_class.func.del = NULL;
 899
 900    EINA_MAGIC_SET(st, ELM_STORE_MAGIC);
 901    st->cache_max = CACHE_COUNT;
 902    st->start_fetch_index = 0;
 903    st->end_fetch_index = 0;
 904    st->live = EINA_TRUE;
 905    st->multi_load = EINA_FALSE;
 906    st->total_item_count = 0;
 907    st->fetch_thread = EINA_FALSE;
 908    st->type = 1;
 909    return st;
 910 }
 911
 912 #define _store_new(type) (type *)_store_init(sizeof(type))
 913
 914 static void
 915 _genlist_del(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 916 {
 917    EINA_SAFETY_ON_NULL_RETURN(data);
 918    Elm_Store *st = data;
 919    if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
 920
 921    elm_store_free(st);
 922 }
 923
 924 static void
 925 _store_fetch_do(void *data, Ecore_Thread *th __UNUSED__)
 926 {
 927    Elm_Store_Item *sti = data;
 928
 929    LKL(sti->lock);
 930    if (!sti->fetched)
 931      {
 932         LKU(sti->lock);
 933         sti->store->cb.fetch.func(sti->store->cb.fetch.data, sti, sti->item_info);
 934         LKL(sti->lock);
 935         sti->fetched = EINA_TRUE;
 936      }
 937    LKU(sti->lock);
 938 }
 939
 940 static void
 941 _store_fetch_end(void *data, Ecore_Thread *th)
 942 {
 943    Elm_Store_Item *sti = data;
 944    LKL(sti->lock);
 945    if(sti->data) elm_genlist_item_update(sti->item);
 946    LKU(sti->lock);
 947    if (th == sti->fetch_th) sti->fetch_th = NULL;
 948 }
 949
 950 static void
 951 _store_fetch_cancel(void *data, Ecore_Thread *th)
 952 {
 953    Elm_Store_Item *sti = data;
 954    LKL(sti->lock);
 955    if (th == sti->fetch_th) sti->fetch_th = NULL;
 956    if(sti->data) elm_genlist_item_update(sti->item);
 957    LKU(sti->lock);
 958 }
 959
 960 static Elm_Store_Item *
 961 _item_fetch(Elm_Store *st, int index)
 962 {
 963    EINA_SAFETY_ON_NULL_RETURN_VAL(st,NULL);
 964    Elm_Store_Item *sti;
 965
 966    int in_index = 0;
 967    Eina_List *l;
 968    Eina_List *l_next;
 969    Eina_List *header_list;
 970    if (st->live)
 971      {
 972         EINA_LIST_FOREACH_SAFE(st->header_items, l, l_next, header_list)
 973           {
 974              if(header_list)
 975                {
 976                   if ((in_index + eina_list_count(header_list)) > index)
 977                     {
 978                        sti = eina_list_nth(header_list, index - in_index);
 979                        if(sti)
 980                          {
 981                             if (st->cb.fetch.func)
 982                               {
 983                                  LKL(sti->lock);
 984                                  if (st->fetch_thread)
 985                                    {
 986                                       if (!sti->fetch_th)
 987                                         {
 988                                            sti->fetch_th = ecore_thread_run(_store_fetch_do,
 989                                                                             _store_fetch_end,
 990                                                                             _store_fetch_cancel,
 991                                                                             sti);
 992                                         }
 993                                    }
 994                                  else
 995                                    {
 996                                       LKU(sti->lock);
 997                                       st->cb.fetch.func(st->cb.fetch.data, sti, sti->item_info);
 998                                       LKL(sti->lock);
 999                                       sti->fetched = EINA_TRUE;
1000                                    }
1001                                  LKU(sti->lock);
1002                               }
1003                             return sti;
1004                          }
1005                        else
1006                          {
1007                             return NULL;
1008                          }
1009                     }
1010                   else
1011                     {
1012                        in_index = in_index + eina_list_count(header_list);
1013                     }
1014                }
1015           }
1016      }
1017    return NULL;
1018 }
1019
1020 static Elm_Store_Item *
1021 _item_unfetch(Elm_Store *st, int index)
1022 {
1023    EINA_SAFETY_ON_NULL_RETURN_VAL(st,NULL);
1024
1025    int in_index = 0;
1026    Elm_Store_Item *sti;
1027    Eina_List *l;
1028    Eina_List *l_next;
1029    Eina_List *header_list;
1030
1031    if (st->live)
1032      {
1033         EINA_LIST_FOREACH_SAFE(st->header_items, l, l_next, header_list)
1034           {
1035              if(header_list)
1036                {
1037                   if ((in_index + eina_list_count(header_list)) > index)
1038                     {
1039                        sti = eina_list_nth(header_list, index - in_index);
1040                        if(sti)
1041                          {
1042                             if (st->cb.unfetch.func)
1043                               {
1044                                  LKL(sti->lock);
1045                                  if (sti->fetch_th)
1046                                    {
1047                                       LKU(sti->lock);
1048                                       ecore_thread_cancel(sti->fetch_th);
1049                                       sti->fetch_th = NULL;
1050                                       LKL(sti->lock);
1051                                    }
1052                                  LKU(sti->lock);
1053                                  st->cb.unfetch.func(st->cb.unfetch.data, sti, sti->item_info);
1054                                  LKL(sti->lock);
1055                                  sti->fetched = EINA_FALSE;
1056                                  LKU(sti->lock);
1057                               }
1058                             return sti;
1059                          }
1060                        else
1061                          {
1062                             return NULL;
1063                          }
1064                     }
1065                   else
1066                     {
1067                        in_index = in_index + eina_list_count(header_list);
1068                     }
1069                }
1070           }
1071      }
1072    return NULL;
1073 }
1074
1075 static const Elm_Store_Item_Mapping *
1076 _item_mapping_find(Elm_Store_Item *sti, const char *part)
1077 {
1078    if (!EINA_MAGIC_CHECK(sti, ELM_STORE_ITEM_MAGIC)) return NULL;
1079    const Elm_Store_Item_Mapping *m;
1080
1081    if(!sti->item_info)
1082      {
1083         return NULL;
1084      }
1085
1086    for (m = sti->item_info->mapping; m; m++)
1087      {
1088         if (m->type == ELM_STORE_ITEM_MAPPING_NONE) break;
1089         if (!strcmp(part, m->part)) return m;
1090      }
1091    return NULL;
1092 }
1093
1094 static void
1095 _item_realize(Elm_Store_Item *sti)
1096 {
1097    if (!EINA_MAGIC_CHECK(sti, ELM_STORE_ITEM_MAGIC)) return;
1098    Elm_Store *st = sti->store;
1099    if (sti->store->live)
1100      {
1101         int index = elm_store_item_index_get(sti);
1102
1103         if (index != -1)
1104           {
1105              if ((st->start_fetch_index <= index) && (index <= (st->start_fetch_index + st->cache_max)))
1106                {
1107                   if (sti->fetched)
1108                     {
1109                        _item_unfetch(st, index);
1110                     }
1111                   _item_fetch(st, index);
1112
1113                   if(st->end_fetch_index < index)
1114                     {
1115                        st->end_fetch_index = index;
1116                     }
1117                }
1118              else if (st->start_fetch_index > index)
1119                {
1120                   int diff = st->start_fetch_index - index;
1121                   int loop;
1122                   for (loop = 1; loop <= diff; loop++)
1123                     {
1124                        _item_unfetch(st, st->end_fetch_index);
1125                        st->end_fetch_index--;
1126                        _item_fetch(sti->store, (st->start_fetch_index - loop));
1127                     }
1128                   st->start_fetch_index = index;
1129                }
1130              else if (index > st->end_fetch_index)
1131                {
1132                   int diff = index - st->end_fetch_index;
1133                   int loop;
1134                   for (loop = 1; loop <= diff; loop++)
1135                     {
1136                        _item_unfetch(st, st->start_fetch_index);
1137                        st->start_fetch_index++;
1138                        _item_fetch(st, (st->end_fetch_index + loop));
1139                     }
1140                   st->end_fetch_index = index;
1141                }
1142           }
1143         else
1144           {
1145              return;
1146           }
1147      }
1148 }
1149
1150 static char *
1151 _item_label_get(void *data, Evas_Object *obj __UNUSED__, const char *part)
1152 {
1153    EINA_SAFETY_ON_NULL_RETURN_VAL(data, strdup(""));
1154    Elm_Store_Item *sti = data;
1155    EINA_SAFETY_ON_NULL_RETURN_VAL(sti,NULL);
1156
1157    if (sti->store->live)
1158      {
1159         if (sti->item)
1160           {
1161              if (!sti->data)
1162                {
1163                   _item_realize(sti);
1164                }
1165
1166              LKL(sti->lock);
1167              if (sti->data)
1168                {
1169                   const char *s = "";
1170                   const Elm_Store_Item_Mapping *m = _item_mapping_find(sti, part);
1171                   if (m)
1172                     {
1173                        switch (m->type)
1174                          {
1175                           case ELM_STORE_ITEM_MAPPING_LABEL:
1176                              s = *(char **)(((unsigned char *)sti->data) + m->offset);
1177                              break;
1178
1179                           case ELM_STORE_ITEM_MAPPING_CUSTOM:
1180                              if (m->details.custom.func)
1181                                s = m->details.custom.func(sti->data, sti, part);
1182                              break;
1183
1184                           default:
1185                              break;
1186                          }
1187                        if (s)
1188                          {
1189                             LKU(sti->lock);
1190                             return strdup(s);
1191                          }
1192                        else
1193                          {
1194                             LKU(sti->lock);
1195                             return NULL;
1196                          }
1197                     }
1198                }
1199              LKU(sti->lock);
1200           }
1201      }
1202    return NULL;
1203 }
1204
1205 static Evas_Object *
1206 _item_icon_get(void *data, Evas_Object *obj, const char *part)
1207 {
1208    EINA_SAFETY_ON_NULL_RETURN_VAL(data,NULL);
1209    Elm_Store_Item *sti = data;
1210    EINA_SAFETY_ON_NULL_RETURN_VAL(sti,NULL);
1211
1212    if (sti->store->live)
1213      {
1214         if (sti->item)
1215           {
1216              if (!sti->data)
1217                {
1218                   _item_realize(sti);
1219                }
1220
1221              LKL(sti->lock);
1222              if (sti->data)
1223                {
1224                   const Elm_Store_Item_Mapping *m = _item_mapping_find(sti, part);
1225                   if (m)
1226                     {
1227                        Evas_Object *ic = NULL;
1228                        const char *s = NULL;
1229
1230                        switch (m->type)
1231                          {
1232                           case ELM_STORE_ITEM_MAPPING_ICON:
1233                              ic = elm_icon_add(obj);
1234                              s = *(char **)(((unsigned char *)sti->data) + m->offset);
1235                              elm_icon_order_lookup_set(ic, m->details.icon.lookup_order);
1236                              evas_object_size_hint_aspect_set(ic,
1237                                                               EVAS_ASPECT_CONTROL_VERTICAL,
1238                                                               m->details.icon.w,
1239                                                               m->details.icon.h);
1240                              elm_icon_smooth_set(ic, m->details.icon.smooth);
1241                              elm_icon_no_scale_set(ic, m->details.icon.no_scale);
1242                              elm_icon_scale_set(ic,
1243                                                 m->details.icon.scale_up,
1244                                                 m->details.icon.scale_down);
1245
1246                              if (s)
1247                                {
1248                                   if (m->details.icon.standard_name)
1249                                     elm_icon_standard_set(ic, s);
1250                                   else
1251                                     elm_icon_file_set(ic, s, NULL);
1252                                }
1253                              break;
1254
1255                           case ELM_STORE_ITEM_MAPPING_PHOTO:
1256                              ic = elm_icon_add(obj);
1257                              s = *(char **)(((unsigned char *)sti->data) + m->offset);
1258                              elm_photo_size_set(ic, m->details.photo.size);
1259                              if (s)
1260                                elm_photo_file_set(ic, s);
1261                              break;
1262
1263                           case ELM_STORE_ITEM_MAPPING_CUSTOM:
1264                              if (m->details.custom.func)
1265                                ic = m->details.custom.func(sti->data, sti, part);
1266                              break;
1267
1268                           default:
1269                              break;
1270                          }
1271                        LKU(sti->lock);
1272                        return ic;
1273                     }
1274                }
1275              LKU(sti->lock);
1276           }
1277      }
1278    return NULL;
1279 }
1280
1281 static void
1282 _item_realized(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
1283 {
1284    /*   EINA_SAFETY_ON_NULL_RETURN(data);
1285         EINA_SAFETY_ON_NULL_RETURN(event_info);
1286         Elm_Store *st = data;
1287         Elm_Genlist_Item *gli = event_info;
1288         Elm_Store_Item *sti = elm_genlist_item_data_get(gli);
1289
1290         EINA_SAFETY_ON_NULL_RETURN(sti);
1291
1292         int index = elm_store_item_index_get(sti);
1293
1294         if (st->fetch_thread)
1295         {
1296         if ((st->start_fetch_index <= index) && (index <= st->end_fetch_index))
1297         {
1298         int middle_index = sti->store->start_fetch_index + (sti->store->cache_max) / 2;
1299
1300         if ((middle_index < index) && (sti->store->end_fetch_index < sti->store->total_item_count))
1301         {
1302         int diff = index - middle_index;
1303         int loop;
1304         for (loop = 0; loop < diff; loop++)
1305         {
1306         _item_unfetch(st, sti->store->start_fetch_index);
1307         sti->store->start_fetch_index++;
1308         _item_fetch(st, (sti->store->end_fetch_index + 1));
1309         sti->store->end_fetch_index++;
1310         }
1311         }
1312         else if ((middle_index > index) && (sti->store->start_fetch_index > 0))
1313         {
1314         int diff = st->current_top_index - index;
1315         int loop;
1316         for (loop = 0; loop < diff; loop++)
1317         {
1318         _item_unfetch(st, sti->store->end_fetch_index);
1319         sti->store->end_fetch_index--;
1320         _item_fetch(st, (sti->store->start_fetch_index - 1));
1321         sti->store->start_fetch_index--;
1322         }
1323         }
1324         else {
1325         if ((!sti->fetched))
1326         {
1327         _item_fetch(st, index);
1328         }
1329         }
1330         }
1331         }
1332
1333         if ((st->current_top_index > index))
1334         {
1335         st->current_top_index = index;
1336         }
1337         else if ((st->current_top_index + SCREEN_ITEM_COUNT) < index)
1338         {
1339         st->current_top_index = st->current_top_index + (index - (st->current_top_index + SCREEN_ITEM_COUNT));
1340         }
1341     */
1342    // TODO:
1343 }
1344
1345 static void
1346 _item_unrealized(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
1347 {
1348    /*   EINA_SAFETY_ON_NULL_RETURN(data);
1349         EINA_SAFETY_ON_NULL_RETURN(event_info);
1350         Elm_Genlist_Item *gli = event_info;
1351         Elm_Store_Item *sti = elm_genlist_item_data_get(gli);
1352         EINA_SAFETY_ON_NULL_RETURN(sti);*/
1353 }
1354
1355 static void
1356 _item_del(void *data, Evas_Object *obj __UNUSED__)
1357 {
1358    EINA_SAFETY_ON_NULL_RETURN(data);
1359    Elm_Store_Item *sti = data;
1360    EINA_SAFETY_ON_NULL_RETURN(sti);
1361    if (!EINA_MAGIC_CHECK(sti, ELM_STORE_ITEM_MAGIC)) return;
1362    elm_store_item_del(sti);
1363 }
1364
1365 static void
1366 _list_do(void *data, Ecore_Thread *th __UNUSED__)
1367 {
1368    EINA_SAFETY_ON_NULL_RETURN(data);
1369    Elm_Store *st = data;
1370    if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
1371
1372    if (st->multi_load == EINA_TRUE)
1373      {
1374         Elm_Store_Item_Info *item_info;
1375         Eina_Bool ok = EINA_FALSE;
1376         int loop;
1377         for (loop = 0; loop < st->item_count; loop++)
1378           {
1379              item_info = calloc(1, sizeof(Elm_Store_Item_Info));
1380              if (!item_info) return;
1381              item_info->index = loop;
1382
1383              if (st->cb.list.func)
1384                {
1385                   ok = st->cb.list.func(st->cb.list.data, item_info);
1386                }
1387              if (ok) ecore_thread_feedback(th, item_info);
1388              else free(item_info);
1389              if (ecore_thread_check(th)) break;
1390           }
1391      }
1392 }
1393
1394 static void
1395 _list_update(void *data, Ecore_Thread *th __UNUSED__, void *msg)
1396 {
1397    EINA_SAFETY_ON_NULL_RETURN(data);
1398    EINA_SAFETY_ON_NULL_RETURN(msg);
1399    Elm_Store *st = data;
1400    Elm_Store_Item_Info *info = msg;
1401
1402    elm_store_item_add(st, info);
1403 }
1404
1405 static void
1406 _list_end(void *data, Ecore_Thread *th)
1407 {
1408    Elm_Store *st = data;
1409    if (th == st->list_th) st->list_th = NULL;
1410 }
1411
1412 static void
1413 _list_cancel(void *data, Ecore_Thread *th)
1414 {
1415    Elm_Store *st = data;
1416    if (th == st->list_th) st->list_th = NULL;
1417 }
1418
1419 static void
1420 _item_select_cb(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
1421 {
1422    EINA_SAFETY_ON_NULL_RETURN(event_info);
1423
1424    const Elm_Genlist_Item *it = (Elm_Genlist_Item *)event_info;
1425    Elm_Store_Item *sti = elm_genlist_item_data_get(it);
1426    if (!EINA_MAGIC_CHECK(sti, ELM_STORE_ITEM_MAGIC)) return;
1427
1428    if (sti->store->cb.item_select.func)
1429      {
1430         sti->store->cb.item_select.func(sti->store->cb.item_select.data, sti);
1431      }
1432 }
1433
1434 static void
1435 _group_item_append(Elm_Store_Item *sti, Elm_Genlist_Item_Class *itc)
1436 {
1437    EINA_SAFETY_ON_NULL_RETURN(sti);
1438    if (!EINA_MAGIC_CHECK(sti, ELM_STORE_ITEM_MAGIC)) return;
1439    Elm_Store *st = sti->store;
1440    if (st->live)
1441      {
1442         if (st->header_items)
1443           {
1444              Eina_Bool header_add = EINA_TRUE;
1445              Eina_List *l;
1446              Eina_List *l_next;
1447              Eina_List *header_list;
1448
1449              EINA_LIST_FOREACH_SAFE(st->header_items, l, l_next, header_list)
1450                {
1451                   if(header_list)
1452                     {
1453                        Elm_Store_Item *item = eina_list_nth(header_list, 0);
1454                        if(item && item->item_info)
1455                          {
1456                             if (item->item_info->group_index == sti->item_info->group_index)
1457                               {
1458                                  header_add = EINA_FALSE;
1459                                  break;
1460                               }
1461                          }
1462                     }
1463                }
1464              if (header_add)
1465                {
1466                   Eina_List *new_header_list = NULL;
1467                   sti->item_info->index = 0;
1468                   new_header_list = eina_list_append(new_header_list, sti);
1469                   st->total_item_count++;
1470
1471                   Eina_Bool last_header = EINA_TRUE;
1472                   Eina_List *l;
1473                   Eina_List *l_next;
1474                   Eina_List *header_list;
1475
1476                   EINA_LIST_FOREACH_SAFE(st->header_items, l, l_next, header_list)
1477                     {
1478                        if (header_list)
1479                          {
1480                             Elm_Store_Item *group_sti = eina_list_nth(header_list, 0);
1481                             if(group_sti && group_sti->item_info)
1482                               {
1483                                  if(group_sti->item_info->item_type == ELM_GENLIST_ITEM_GROUP)
1484                                    {
1485                                       int sort;
1486                                       if (st->cb.item_sort.func)
1487                                         {
1488                                            sort = st->cb.item_sort.func(st->cb.item_sort.data, sti->item_info, group_sti->item_info);
1489
1490                                            if(sort == ELM_STORE_ITEM_SORT_LOW)
1491                                              {
1492                                                 st->header_items = eina_list_prepend_relative(st->header_items, new_header_list, header_list);
1493                                                 sti->item = elm_genlist_item_insert_before(st->genlist,
1494                                                                                            itc,
1495                                                                                            sti,
1496                                                                                            NULL,
1497                                                                                            group_sti->item,
1498                                                                                            ELM_GENLIST_ITEM_GROUP,
1499                                                                                            NULL,
1500                                                                                            NULL);
1501                                                 last_header = EINA_FALSE;
1502                                                 break;
1503                                              }
1504                                         }
1505                                       else
1506                                         {
1507                                            break;
1508                                         }
1509                                    }
1510                               }
1511                          }
1512                     }
1513                   if (last_header)
1514                     {
1515                        st->header_items = eina_list_append(st->header_items, new_header_list);
1516                        sti->item = elm_genlist_item_append(st->genlist,
1517                                                            itc,
1518                                                            sti,
1519                                                            NULL,
1520                                                            ELM_GENLIST_ITEM_GROUP,
1521                                                            NULL,
1522                                                            NULL);
1523                     }
1524                   elm_store_item_update(sti);
1525                }
1526           }
1527         else
1528           {
1529              Eina_List *header_list = NULL;
1530              sti->item_info->index = 0;
1531              header_list = eina_list_append(header_list, sti);
1532              st->total_item_count++;
1533              st->header_items = eina_list_append(st->header_items, header_list);
1534              sti->item = elm_genlist_item_append(st->genlist,
1535                                                  itc,
1536                                                  sti,
1537                                                  NULL,
1538                                                  ELM_GENLIST_ITEM_GROUP,
1539                                                  NULL,
1540                                                  NULL);
1541              elm_store_item_update(sti);
1542           }
1543      }
1544 }
1545
1546 static void
1547 _normal_item_append(Elm_Store_Item *sti, Elm_Genlist_Item_Class *itc)
1548 {
1549    EINA_SAFETY_ON_NULL_RETURN(sti);
1550    if (!EINA_MAGIC_CHECK(sti, ELM_STORE_ITEM_MAGIC)) return;
1551    Elm_Store *st = sti->store;
1552    if (st->live)
1553      {
1554         if (sti->item_info->rec_item == EINA_TRUE)
1555           {
1556              if (sti->item_info->group_index == sti->item_info->pre_group_index)
1557                {
1558                   Eina_List *l;
1559                   Eina_List *l_next;
1560                   Eina_List *header_list;
1561
1562                   EINA_LIST_FOREACH_SAFE(st->header_items, l, l_next, header_list)
1563                     {
1564                        if(header_list)
1565                          {
1566                             Elm_Store_Item *header_item = eina_list_nth(header_list, 0);
1567                             if(header_item && header_item->item_info)
1568                               {
1569                                  if (header_item->item_info->group_index == sti->item_info->group_index)
1570                                    {
1571                                       Eina_List *in_l;
1572                                       Eina_List *in_l_next;
1573                                       Elm_Store_Item *item;
1574
1575                                       EINA_LIST_FOREACH_SAFE(header_list, in_l, in_l_next, item)
1576                                         {
1577                                            if(item)
1578                                              {
1579                                                 int sort;
1580                                                 if (st->cb.item_sort.func)
1581                                                   {
1582                                                      sort = st->cb.item_sort.func(st->cb.item_sort.data, sti->item_info, item->item_info);
1583
1584                                                      if(sort == ELM_STORE_ITEM_SORT_SAME)
1585                                                        {
1586                                                           elm_store_item_update(item);
1587                                                        }
1588                                                   }
1589                                                 else
1590                                                   {
1591                                                      break;
1592                                                   }
1593
1594                                              }
1595                                         }
1596                                    }
1597                               }
1598                          }
1599                     }
1600                }
1601              else
1602                {
1603                   Eina_List *l;
1604                   Eina_List *l_next;
1605                   Eina_List *header_list;
1606
1607                   EINA_LIST_FOREACH_SAFE(st->header_items, l, l_next, header_list)
1608                     {
1609                        if(header_list)
1610                          {
1611                             Elm_Store_Item *header_item = eina_list_nth(header_list, 0);
1612                             if(header_item && header_item->item_info)
1613                               {
1614                                  if (header_item->item_info->group_index == sti->item_info->pre_group_index)
1615                                    {
1616                                       Eina_Bool removed = EINA_FALSE;
1617                                       Eina_List *in_l;
1618                                       Eina_List *in_l_next;
1619                                       Elm_Store_Item *remove_item;
1620
1621                                       EINA_LIST_FOREACH_SAFE(header_list, in_l, in_l_next, remove_item)
1622                                         {
1623                                            if(remove_item)
1624                                              {
1625                                                 if (removed == EINA_TRUE)
1626                                                   {
1627                                                      remove_item->item_info->index--;
1628                                                   }
1629                                                 else
1630                                                   {
1631                                                      int sort;
1632                                                      if (st->cb.item_sort.func)
1633                                                        {
1634                                                           sort = st->cb.item_sort.func(st->cb.item_sort.data, sti->item_info, remove_item->item_info);
1635
1636                                                           if(sort == ELM_STORE_ITEM_SORT_SAME)
1637                                                             {
1638                                                                if (remove_item->fetched)
1639                                                                  {
1640                                                                     int index = elm_store_item_index_get(remove_item);
1641                                                                     if (index != -1)
1642                                                                       {
1643                                                                          _item_unfetch(st, index);
1644                                                                       }
1645                                                                     else
1646                                                                       {
1647                                                                          break;
1648                                                                       }
1649                                                                  }
1650                                                                if (st->cb.item_free.func)
1651                                                                  {
1652                                                                     st->cb.item_free.func(st->cb.item_free.data, remove_item->item_info);
1653                                                                     remove_item->item_info = NULL;
1654                                                                  }
1655
1656                                                                if (eina_list_count(header_list) == 1)
1657                                                                  {
1658                                                                     st->header_items = eina_list_remove(st->header_items, header_list);
1659                                                                     header_list = eina_list_free(header_list);
1660                                                                     st->total_item_count--;
1661                                                                     LKD(remove_item->lock);
1662                                                                     elm_genlist_item_del(remove_item->item);
1663                                                                     free(remove_item);
1664                                                                     break;
1665                                                                  }
1666                                                                else
1667                                                                  {
1668                                                                     header_list = eina_list_remove(header_list, remove_item);
1669                                                                     st->total_item_count--;
1670                                                                     LKD(remove_item->lock);
1671                                                                     elm_genlist_item_del(remove_item->item);
1672                                                                     free(remove_item);
1673                                                                  }
1674
1675                                                                if(eina_list_count(header_list) == 1)
1676                                                                  {
1677                                                                     Elm_Store_Item *t_sti = eina_list_nth(header_list, 0);
1678                                                                     if(t_sti && t_sti->item_info)
1679                                                                       {
1680                                                                          if (t_sti->item_info->item_type == ELM_GENLIST_ITEM_GROUP)
1681                                                                            {
1682                                                                               if (t_sti->fetched)
1683                                                                                 {
1684                                                                                    int index = elm_store_item_index_get(t_sti);
1685                                                                                    if (index != -1)
1686                                                                                      {
1687                                                                                         _item_unfetch(st, index);
1688                                                                                      }
1689                                                                                    else
1690                                                                                      {
1691                                                                                         break;
1692                                                                                      }
1693                                                                                 }
1694
1695                                                                               if (st->cb.item_free.func)
1696                                                                                 {
1697                                                                                    st->cb.item_free.func(st->cb.item_free.data, t_sti->item_info);
1698                                                                                    t_sti->item_info = NULL;
1699                                                                                 }
1700                                                                               st->header_items = eina_list_remove(st->header_items, header_list);
1701                                                                               header_list = eina_list_free(header_list);
1702                                                                               st->total_item_count--;
1703                                                                               LKD(t_sti->lock);
1704                                                                               elm_genlist_item_del(t_sti->item);
1705                                                                               free(t_sti);
1706                                                                            }
1707                                                                       }
1708                                                                  }
1709                                                                removed = EINA_TRUE;
1710                                                             }
1711                                                        }
1712                                                      else
1713                                                        {
1714                                                           break;
1715                                                        }
1716                                                   }
1717                                              }
1718                                         }
1719                                    }
1720                                  else if (header_item->item_info->group_index == sti->item_info->group_index)
1721                                    {
1722                                       Eina_Bool last_add = EINA_TRUE;
1723                                       Eina_List *in_l;
1724                                       Eina_List *in_l_next;
1725                                       Elm_Store_Item *comp_item;
1726
1727                                       EINA_LIST_FOREACH_SAFE(header_list, in_l, in_l_next, comp_item)
1728                                         {
1729                                            if(comp_item)
1730                                              {
1731                                                 if(last_add == EINA_FALSE)
1732                                                   {
1733                                                      comp_item->item_info->index++;
1734                                                   }
1735                                                 else
1736                                                   {
1737                                                      int sort;
1738                                                      if (st->cb.item_sort.func)
1739                                                        {
1740                                                           sort = st->cb.item_sort.func(st->cb.item_sort.data, sti->item_info, comp_item->item_info);
1741
1742                                                           if(sort == ELM_STORE_ITEM_SORT_LOW)
1743                                                             {
1744                                                                sti->item_info->index = comp_item->item_info->index;
1745                                                                comp_item->item_info->index++;
1746                                                                header_list = eina_list_prepend_relative(header_list, sti, comp_item);
1747                                                                st->total_item_count++;
1748                                                                sti->item = elm_genlist_item_insert_before(st->genlist,
1749                                                                                                           itc,
1750                                                                                                           sti,
1751                                                                                                           header_item->item,
1752                                                                                                           comp_item->item,
1753                                                                                                           ELM_GENLIST_ITEM_NONE,
1754                                                                                                           (Evas_Smart_Cb)sti->store->cb.item_select.func,
1755                                                                                                           (void *)sti->store->cb.item_select.data);
1756                                                                elm_store_item_update(sti);
1757                                                                last_add = EINA_FALSE;
1758                                                             }
1759                                                        }
1760                                                      else
1761                                                        {
1762                                                           Elm_Store_Item *last_sti = eina_list_nth(header_list, eina_list_count(header_list) - 1);
1763                                                           sti->item_info->index = eina_list_count(header_list);
1764                                                           header_list = eina_list_append(header_list, sti);
1765                                                           st->total_item_count++;
1766                                                           sti->item = elm_genlist_item_insert_after(st->genlist,
1767                                                                                                     itc,
1768                                                                                                     sti,
1769                                                                                                     header_item->item,
1770                                                                                                     last_sti->item,
1771                                                                                                     ELM_GENLIST_ITEM_NONE,
1772                                                                                                     (Evas_Smart_Cb)sti->store->cb.item_select.func,
1773                                                                                                     (void *)sti->store->cb.item_select.data);
1774                                                           elm_store_item_update(sti);
1775                                                           last_add = EINA_FALSE;
1776                                                           break;
1777                                                        }
1778                                                   }
1779                                              }
1780                                         }
1781                                       if(last_add)
1782                                         {
1783                                            Elm_Store_Item *last_sti = eina_list_nth(header_list, eina_list_count(header_list) - 1);
1784                                            sti->item_info->index = eina_list_count(header_list);
1785                                            header_list = eina_list_append(header_list, sti);
1786                                            st->total_item_count++;
1787                                            sti->item = elm_genlist_item_insert_after(st->genlist,
1788                                                                                      itc,
1789                                                                                      sti,
1790                                                                                      header_item->item,
1791                                                                                      last_sti->item,
1792                                                                                      ELM_GENLIST_ITEM_NONE,
1793                                                                                      (Evas_Smart_Cb)sti->store->cb.item_select.func,
1794                                                                                      (void *)sti->store->cb.item_select.data);
1795                                            elm_store_item_update(sti);
1796                                         }
1797                                    }
1798                               }
1799                          }
1800                     }
1801                }
1802           }
1803         else
1804           {
1805              if (st->header_items)
1806                {
1807                   Eina_Bool normal_add = EINA_TRUE;
1808                   Eina_List *l;
1809                   Eina_List *l_next;
1810                   Eina_List *header_list;
1811
1812                   EINA_LIST_FOREACH_SAFE(st->header_items, l, l_next, header_list)
1813                     {
1814                        if (header_list)
1815                          {
1816                             Elm_Store_Item *header_item = eina_list_nth(header_list, 0);
1817
1818                             if(header_item && header_item->item_info)
1819                               {
1820                                  if (header_item->item_info->group_index == sti->item_info->group_index)
1821                                    {
1822                                       Eina_List *in_l;
1823                                       Eina_List *in_l_next;
1824                                       Elm_Store_Item *comp_item;
1825
1826                                       EINA_LIST_FOREACH_SAFE(header_list, in_l, in_l_next, comp_item)
1827                                         {
1828                                            if (comp_item )
1829                                              {
1830                                                 if(normal_add == EINA_FALSE)
1831                                                   {
1832                                                      comp_item->item_info->index++;
1833                                                   }
1834                                                 else
1835                                                   {
1836                                                      int sort;
1837                                                      if (st->cb.item_sort.func)
1838                                                        {
1839                                                           sort = st->cb.item_sort.func(st->cb.item_sort.data, sti->item_info, comp_item->item_info);
1840
1841                                                           if(sort == ELM_STORE_ITEM_SORT_LOW)
1842                                                             {
1843                                                                sti->item_info->index = comp_item->item_info->index;
1844                                                                comp_item->item_info->index++;
1845                                                                header_list = eina_list_prepend_relative(header_list, sti, comp_item);
1846                                                                st->total_item_count++;
1847                                                                sti->item = elm_genlist_item_insert_before(st->genlist,
1848                                                                                                           itc,
1849                                                                                                           sti,
1850                                                                                                           header_item->item,
1851                                                                                                           comp_item->item,
1852                                                                                                           ELM_GENLIST_ITEM_NONE,
1853                                                                                                           (Evas_Smart_Cb)sti->store->cb.item_select.func,
1854                                                                                                           (void *)sti->store->cb.item_select.data);
1855                                                                normal_add = EINA_FALSE;
1856                                                                elm_store_item_update(sti);
1857                                                             }
1858                                                        }
1859                                                      else
1860                                                        {
1861                                                           Elm_Store_Item *last_sti = eina_list_nth(header_list, eina_list_count(header_list) - 1);
1862                                                           sti->item_info->index = eina_list_count(header_list);
1863                                                           header_list = eina_list_append(header_list, sti);
1864                                                           st->total_item_count++;
1865                                                           sti->item = elm_genlist_item_insert_after(st->genlist,
1866                                                                                                     itc,
1867                                                                                                     sti,
1868                                                                                                     header_item->item,
1869                                                                                                     last_sti->item,
1870                                                                                                     ELM_GENLIST_ITEM_NONE,
1871                                                                                                     (Evas_Smart_Cb)sti->store->cb.item_select.func,
1872                                                                                                     (void *)sti->store->cb.item_select.data);
1873                                                           normal_add = EINA_FALSE;
1874                                                           elm_store_item_update(sti);
1875                                                           break;
1876                                                        }
1877                                                   }
1878                                              }
1879                                         }
1880                                       if(normal_add)
1881                                         {
1882                                            Elm_Store_Item *last_sti = eina_list_nth(header_list, eina_list_count(header_list) - 1);
1883                                            sti->item_info->index = eina_list_count(header_list);
1884                                            header_list = eina_list_append(header_list, sti);
1885                                            st->total_item_count++;
1886                                            sti->item = elm_genlist_item_insert_after(st->genlist,
1887                                                                                      itc,
1888                                                                                      sti,
1889                                                                                      header_item->item,
1890                                                                                      last_sti->item,
1891                                                                                      ELM_GENLIST_ITEM_NONE,
1892                                                                                      (Evas_Smart_Cb)sti->store->cb.item_select.func,
1893                                                                                      (void *)sti->store->cb.item_select.data);
1894                                            normal_add = EINA_FALSE;
1895                                            elm_store_item_update(sti);
1896                                         }
1897                                       if(normal_add == EINA_FALSE)
1898                                         {
1899                                            break;
1900                                         }
1901                                    }
1902                               }
1903                          }
1904                     }
1905                   if (normal_add)
1906                     {
1907                        Eina_List *new_header_list = NULL;
1908                        sti->item_info->index = 0;
1909                        new_header_list = eina_list_append(new_header_list, sti);
1910                        st->total_item_count++;
1911                        st->header_items = eina_list_append(st->header_items, new_header_list);
1912                        sti->item = elm_genlist_item_append(st->genlist,
1913                                                            itc,
1914                                                            sti,
1915                                                            NULL,
1916                                                            ELM_GENLIST_ITEM_NONE,
1917                                                            (Evas_Smart_Cb)sti->store->cb.item_select.func,
1918                                                            (void *)sti->store->cb.item_select.data);
1919                        elm_store_item_update(sti);
1920                     }
1921                }
1922              else
1923                {
1924                   if (st->live)
1925                     {
1926                        Eina_List *new_header_list = NULL;
1927                        sti->item_info->index = 0;
1928                        new_header_list = eina_list_append(new_header_list, sti);
1929                        st->total_item_count++;
1930                        st->header_items = eina_list_append(st->header_items, new_header_list);
1931                        sti->item = elm_genlist_item_append(st->genlist,
1932                                                            itc,
1933                                                            sti,
1934                                                            NULL,
1935                                                            ELM_GENLIST_ITEM_NONE,
1936                                                            (Evas_Smart_Cb)sti->store->cb.item_select.func,
1937                                                            (void *)sti->store->cb.item_select.data);
1938                        elm_store_item_update(sti);
1939                     }
1940                }
1941           }
1942      }
1943 }
1944
1945 static void
1946 _item_free(Elm_Store_Item *sti)
1947 {
1948    if (!EINA_MAGIC_CHECK(sti, ELM_STORE_ITEM_MAGIC)) return;
1949    elm_store_item_del(sti);
1950 }
1951
1952 static void
1953 _store_free(Elm_Store *st)
1954 {
1955    if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
1956
1957    Elm_Store_DBsystem *std = (Elm_Store_DBsystem *)st;
1958    eina_stringshare_del(std->p_db);
1959    elm_store_free(st);
1960 }
1961
1962 /**
1963  * Add a new dbsystem Store object
1964  *
1965  * @return The new object or NULL if it cannot be created
1966  *
1967  * @ingroup Store
1968  */
1969 EAPI Elm_Store *
1970 elm_store_dbsystem_new(void)
1971 {
1972    Elm_Store_DBsystem *std = _store_new(Elm_Store_DBsystem);
1973    EINA_SAFETY_ON_NULL_RETURN_VAL(std, NULL);
1974
1975    EINA_MAGIC_SET(std, ELM_STORE_DBSYSTEM_MAGIC);
1976    std->base.free = _store_free;
1977    std->base.item.free = _item_free;
1978    return &std->base;
1979 }
1980
1981 /**
1982  * Sets the item count of a store
1983  *
1984  * @param st The store object
1985  * @param count The item count of an store
1986  *
1987  * @ingroup Store
1988  */
1989 EAPI void
1990 elm_store_item_count_set(Elm_Store *st, int count)
1991 {
1992    EINA_SAFETY_ON_NULL_RETURN(st);
1993    if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
1994
1995    st->item_count = count;
1996    if (count > 0)
1997      {
1998         st->multi_load = EINA_TRUE;
1999      }
2000    else
2001      {
2002         st->multi_load = EINA_FALSE;
2003      }
2004 }
2005
2006
2007 /**
2008  * Set the select func that select the state of a list item whether true or false
2009  *
2010  * @param st The store object
2011  * @param func The select cb function of an store
2012  * @param data The new data pointer to set
2013  *
2014  * @ingroup Store
2015  */
2016 EAPI void
2017 elm_store_item_select_func_set(Elm_Store *st, Elm_Store_Item_Select_Cb func, const void *data)
2018 {
2019    EINA_SAFETY_ON_NULL_RETURN(st);
2020    if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
2021
2022    st->cb.item_select.func = func;
2023    st->cb.item_select.data = (void *)data;
2024 }
2025
2026 /**
2027  * Sets the sort func that sort the item with a next in the list
2028  *
2029  * @param st The store object
2030  * @param func The sort cb function of an store
2031  * @param data The new data pointer to set
2032  *
2033  * @ingroup Store
2034  */
2035 EAPI void
2036 elm_store_item_sort_func_set(Elm_Store *st, Elm_Store_Item_Sort_Cb func, const void *data)
2037 {
2038    EINA_SAFETY_ON_NULL_RETURN(st);
2039    if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
2040
2041    st->cb.item_sort.func = func;
2042    st->cb.item_sort.data = (void *)data;
2043 }
2044
2045 /**
2046  * Set the store item free func
2047  *
2048  * @param st The store object
2049  * @param func The free cb function of an store
2050  * @param data The new data pointer to set
2051  *
2052  * @ingroup Store
2053  */
2054 EAPI void
2055 elm_store_item_free_func_set(Elm_Store *st, Elm_Store_Item_Free_Cb func, const void *data)
2056 {
2057    EINA_SAFETY_ON_NULL_RETURN(st);
2058    if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
2059
2060    st->cb.item_free.func = func;
2061    st->cb.item_free.data = (void *)data;
2062 }
2063
2064 /**
2065  * Get the item index that included header items
2066  *
2067  * @param sti The store item object
2068  * @return The item index in genlist
2069  *
2070  * @ingroup Store
2071  */
2072 EAPI int
2073 elm_store_item_index_get(const Elm_Store_Item *sti)
2074 {
2075    EINA_SAFETY_ON_NULL_RETURN_VAL(sti, -1);
2076    if (!EINA_MAGIC_CHECK(sti, ELM_STORE_ITEM_MAGIC)) return -1;
2077    Elm_Store *st = sti->store;
2078
2079    if (st->live)
2080      {
2081         int index = 0;
2082         Eina_List *l;
2083         Eina_List *l_next;
2084         Eina_List *header_list;
2085
2086         EINA_LIST_FOREACH_SAFE(st->header_items, l, l_next, header_list)
2087           {
2088              if (header_list)
2089                {
2090                   Elm_Store_Item *temp_sti = eina_list_nth(header_list, 0);
2091                   if(temp_sti && temp_sti->item_info && sti->item_info)
2092                     {
2093                        if (sti->item_info->group_index == temp_sti->item_info->group_index)
2094                          {
2095                             Eina_List *in_l;
2096                             Eina_List *in_l_next;
2097                             Elm_Store_Item *comp_item;
2098
2099                             EINA_LIST_FOREACH_SAFE(header_list, in_l, in_l_next, comp_item)
2100                               {
2101                                  if(comp_item)
2102                                    {
2103                                       if (comp_item->item_info->index == sti->item_info->index)
2104                                         {
2105                                            return index;
2106                                         }
2107                                       else
2108                                         {
2109                                            index++;
2110                                         }
2111                                    }
2112                               }
2113                          }
2114                        else
2115                          {
2116                             index = index + eina_list_count(header_list);
2117                          }
2118                     }
2119                }
2120           }
2121         return -1;
2122      }
2123    else
2124      {
2125         return -1;
2126      }
2127 }
2128
2129 /**
2130  * Get the item index of real data that don't included header items
2131  *
2132  * @param sti The store item object
2133  * @return The real item index
2134  *
2135  * @ingroup Store
2136  */
2137 EAPI int
2138 elm_store_item_data_index_get(const Elm_Store_Item *sti)
2139 {
2140    EINA_SAFETY_ON_NULL_RETURN_VAL(sti, -1);
2141    if (!EINA_MAGIC_CHECK(sti, ELM_STORE_ITEM_MAGIC)) return -1;
2142    Elm_Store *st = sti->store;
2143
2144    if (st->live)
2145      {
2146         if (sti->item_info->item_type == ELM_GENLIST_ITEM_NONE)
2147           {
2148              int index = 0;
2149              int group_item_count = 0;
2150              Eina_List *l;
2151              Eina_List *l_next;
2152              Eina_List *header_list;
2153
2154              EINA_LIST_FOREACH_SAFE(st->header_items, l, l_next, header_list)
2155                {
2156                   if (header_list)
2157                     {
2158                        Elm_Store_Item *temp_sti = eina_list_nth(header_list, 0);
2159                        if(temp_sti && temp_sti->item_info && sti->item_info)
2160                          {
2161
2162                             if(temp_sti->item_info->item_type == ELM_GENLIST_ITEM_GROUP)
2163                               {
2164                                  group_item_count++;
2165                               }
2166
2167                             if (temp_sti->item_info->group_index == sti->item_info->group_index)
2168                               {
2169                                  Eina_List *in_l;
2170                                  Eina_List *in_l_next;
2171                                  Elm_Store_Item *comp_item;
2172
2173                                  EINA_LIST_FOREACH_SAFE(header_list, in_l, in_l_next, comp_item)
2174                                    {
2175                                       if(comp_item)
2176                                         {
2177                                            if (comp_item->item_info->index == sti->item_info->index)
2178                                              {
2179                                                 return (index - group_item_count);
2180                                              }
2181                                            else
2182                                              {
2183                                                 index++;
2184                                              }
2185                                         }
2186                                    }
2187                               }
2188                          }
2189                        else
2190                          {
2191                             index = index + eina_list_count(header_list);
2192                          }
2193                     }
2194                }
2195           }
2196         return -1;
2197      }
2198    else
2199      {
2200         return -1;
2201      }
2202 }
2203
2204 /**
2205  * Get the DB pointer of an item
2206  *
2207  * @param sti The store item object
2208  * @return The DB pointer of item
2209  *
2210  * @ingroup Store
2211  */
2212 EAPI void *
2213 elm_store_dbsystem_db_get(const Elm_Store_Item *sti)
2214 {
2215    if (!EINA_MAGIC_CHECK(sti, ELM_STORE_ITEM_MAGIC)) return NULL;
2216
2217    const Elm_Store_DBsystem *std = (const Elm_Store_DBsystem *)sti->store;
2218    if (!EINA_MAGIC_CHECK(sti->store, ELM_STORE_MAGIC)) return NULL;
2219    if (!EINA_MAGIC_CHECK(std, ELM_STORE_DBSYSTEM_MAGIC)) return NULL;
2220    return std->p_db;
2221 }
2222
2223 /**
2224  * Set the DB pointer of an item
2225  *
2226  * @param sti The store item object
2227  * @parm p_db The DB pointer of item
2228  *
2229  * @ingroup Store
2230  */
2231 EAPI void
2232 elm_store_dbsystem_db_set(Elm_Store *store, void *p_db)
2233 {
2234    Elm_Store_DBsystem *std = (Elm_Store_DBsystem *)store;
2235    if (!EINA_MAGIC_CHECK(store, ELM_STORE_MAGIC)) return;
2236    if (!EINA_MAGIC_CHECK(std, ELM_STORE_DBSYSTEM_MAGIC)) return;
2237
2238    std->p_db = p_db;
2239
2240    if (store->list_th)
2241      {
2242         ecore_thread_cancel(store->list_th);
2243         store->list_th = NULL;
2244      }
2245    store->list_th = ecore_thread_feedback_run(_list_do, _list_update, _list_end, _list_cancel, store, EINA_TRUE);
2246 }
2247
2248 /**
2249  * Append the item to the genlist
2250  *
2251  * @param st The store object
2252  * @param info The store item info dbsystem object
2253  * @return The item of store
2254  *
2255  * @ingroup Store
2256  */
2257 EAPI Elm_Store_Item *
2258 elm_store_item_add(Elm_Store *st, Elm_Store_Item_Info *info)
2259 {
2260    EINA_SAFETY_ON_NULL_RETURN_VAL(st, NULL);
2261    if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return NULL;
2262    EINA_SAFETY_ON_NULL_RETURN_VAL(info, NULL);
2263    Elm_Store_Item *sti;
2264    Elm_Genlist_Item_Class *itc;
2265
2266    sti = calloc(1, sizeof(Elm_Store_Item));
2267    if (!sti) return NULL;
2268
2269    LKI(sti->lock);
2270    EINA_MAGIC_SET(sti, ELM_STORE_ITEM_MAGIC);
2271
2272    sti->store = st;
2273    sti->item_info = info;
2274    sti->fetched = EINA_FALSE;
2275
2276    itc = info->item_class;
2277    if (!itc) itc = &_store_item_class;
2278    else
2279      {
2280         itc->func.label_get = (GenlistItemLabelGetFunc)_item_label_get;
2281         itc->func.icon_get = (GenlistItemIconGetFunc)_item_icon_get;
2282         itc->func.state_get = NULL;
2283         itc->func.del = NULL;
2284      }
2285
2286    if (st->live)
2287      {
2288         if (sti->item_info->item_type == ELM_GENLIST_ITEM_GROUP)
2289           {
2290              _group_item_append(sti, itc);
2291           }
2292         else
2293           {
2294              _normal_item_append(sti, itc);
2295           }
2296         return sti;
2297      }
2298    else
2299      {
2300         return NULL;
2301      }
2302 }
2303
2304 /**
2305  * Realize the visible items to the screen
2306  *
2307  * @param st The store object
2308  *
2309  * @ingroup Store
2310  */
2311 EAPI void
2312 elm_store_visible_items_update(Elm_Store *st)
2313 {
2314    EINA_SAFETY_ON_NULL_RETURN(st);
2315    if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
2316
2317    Eina_List *realized_list = elm_genlist_realized_items_get(st->genlist);
2318    if(realized_list)
2319      {
2320         Eina_List *l;
2321         Elm_Genlist_Item *it;
2322         EINA_LIST_FOREACH(realized_list, l, it)
2323           {
2324              if(it)
2325                {
2326                   Elm_Store_Item *realized_sti = elm_genlist_item_data_get(it);
2327                   int index = elm_store_item_index_get(realized_sti);
2328                   if (index != -1)
2329                     {
2330                        if(realized_sti->fetched)
2331                          {
2332                             _item_unfetch(st, index);
2333                          }
2334                        _item_fetch(st, index);
2335                        if (realized_sti->data) elm_genlist_item_update(realized_sti->item);
2336                     }
2337                   else
2338                     {
2339                        return;
2340                     }
2341                }
2342           }
2343      }
2344 }
2345
2346 /**
2347  * Realize the item to the screen
2348  *
2349  * @param sti The store item object
2350  *
2351  * @ingroup Store
2352  */
2353 EAPI void
2354 elm_store_item_update(Elm_Store_Item *sti)
2355 {
2356    EINA_SAFETY_ON_NULL_RETURN(sti);
2357    if (!EINA_MAGIC_CHECK(sti, ELM_STORE_ITEM_MAGIC)) return;
2358    Elm_Store *st = sti->store;
2359
2360    int index = elm_store_item_index_get(sti);
2361    if (index != -1)
2362      {
2363         if ((st->start_fetch_index <= index) && (index <= (st->start_fetch_index + st->cache_max)))
2364           {
2365              if (sti->fetched)
2366                {
2367                   _item_unfetch(st, index);
2368                }
2369              _item_fetch(st, index);
2370
2371              if(st->end_fetch_index < (st->total_item_count-1))
2372                {
2373                   if( (st->end_fetch_index - st->cache_max) == st->start_fetch_index)
2374                     {
2375                        _item_unfetch(st, (st->total_item_count-1));
2376                     }
2377                   else
2378                     {
2379                        st->end_fetch_index = (st->total_item_count-1);
2380                     }
2381                }
2382              if(sti->data) elm_genlist_item_update(sti->item);
2383           }
2384      }
2385    else
2386      {
2387         return;
2388      }
2389 }
2390
2391 /**
2392  * Delete the item of genlist
2393  *
2394  * @param sti The store item object
2395  *
2396  * @ingroup Store
2397  */
2398 EAPI void
2399 elm_store_item_del(Elm_Store_Item *sti)
2400 {
2401    EINA_SAFETY_ON_NULL_RETURN(sti);
2402    if (!EINA_MAGIC_CHECK(sti, ELM_STORE_ITEM_MAGIC)) return;
2403    Elm_Store *st = sti->store;
2404
2405    Eina_List *l;
2406    Eina_List*l_next;
2407    Eina_List *header_list;
2408
2409    if (st->live)
2410      {
2411         EINA_LIST_FOREACH_SAFE(st->header_items, l, l_next, header_list)
2412           {
2413              if (header_list)
2414                {
2415                   Elm_Store_Item *header_item = eina_list_nth(header_list, 0);
2416                   if(header_item && header_item->item_info && sti->item_info)
2417                     {
2418
2419                        if (header_item->item_info->group_index == sti->item_info->group_index)
2420                          {
2421                             Eina_Bool removed = EINA_FALSE;
2422                             Eina_List *in_l;
2423                             Eina_List *in_l_next;
2424                             Elm_Store_Item *remove_sti;
2425                             EINA_LIST_FOREACH_SAFE(header_list, in_l, in_l_next, remove_sti)
2426                               {
2427                                  if(remove_sti)
2428                                    {
2429                                       if (removed == EINA_TRUE)
2430                                         {
2431                                            remove_sti->item_info->index--;
2432                                         }
2433                                       else
2434                                         {
2435                                            if (remove_sti->item_info->index == sti->item_info->index)
2436                                              {
2437                                                 if (remove_sti->fetched)
2438                                                   {
2439                                                      int index = elm_store_item_index_get(remove_sti);
2440                                                      if (index != -1)
2441                                                        {
2442                                                           _item_unfetch(st, index);
2443                                                        }
2444                                                      else
2445                                                        {
2446                                                           return;
2447                                                        }
2448                                                   }
2449                                                 if (st->cb.item_free.func)
2450                                                   {
2451                                                      st->cb.item_free.func(st->cb.item_free.data, remove_sti->item_info);
2452                                                      remove_sti->item_info = NULL;
2453                                                   }
2454
2455                                                 if (eina_list_count(header_list) == 1)
2456                                                   {
2457                                                      st->header_items = eina_list_remove(st->header_items, header_list);
2458                                                      header_list = eina_list_free(header_list);
2459                                                      st->total_item_count--;
2460                                                      LKD(remove_sti->lock);
2461                                                      elm_genlist_item_del(remove_sti->item);
2462                                                      free(remove_sti);
2463                                                      return;
2464                                                   }
2465                                                 else
2466                                                   {
2467                                                      header_list = eina_list_remove(header_list, remove_sti);
2468                                                      st->total_item_count--;
2469                                                      LKD(remove_sti->lock);
2470                                                      elm_genlist_item_del(remove_sti->item);
2471                                                      free(remove_sti);
2472                                                   }
2473
2474                                                 if (eina_list_count(header_list) == 1)
2475                                                   {
2476                                                      Elm_Store_Item *t_sti = eina_list_nth(header_list, 0);
2477                                                      if(t_sti && t_sti->item_info)
2478                                                        {
2479                                                           if (t_sti->item_info->item_type == ELM_GENLIST_ITEM_GROUP)
2480                                                             {
2481                                                                if (t_sti->fetched)
2482                                                                  {
2483                                                                     int index = elm_store_item_index_get(t_sti);
2484                                                                     if (index != -1)
2485                                                                       {
2486                                                                          _item_unfetch(st, index);
2487                                                                       }
2488                                                                     else
2489                                                                       {
2490                                                                          return;
2491                                                                       }
2492                                                                  }
2493                                                                if (st->cb.item_free.func)
2494                                                                  {
2495                                                                     st->cb.item_free.func(st->cb.item_free.data, t_sti->item_info);
2496                                                                     t_sti->item_info = NULL;
2497                                                                  }
2498                                                                st->header_items = eina_list_remove(st->header_items, header_list);
2499                                                                header_list = eina_list_free(header_list);
2500                                                                st->total_item_count--;
2501                                                                LKD(t_sti->lock);
2502                                                                elm_genlist_item_del(t_sti->item);
2503                                                                free(t_sti);
2504                                                             }
2505                                                        }
2506                                                   }
2507                                                 removed = EINA_TRUE;
2508                                              }
2509                                         }
2510                                    }
2511                               }
2512                          }
2513                     }
2514                }
2515           }
2516      }
2517 }
2518
2519 // TODO: END -DBsystem store
2520