src/lib/elm_slideshow.c

   1 #include <Elementary.h>
   2 #include "elm_priv.h"
   3
   4 typedef struct _Widget_Data Widget_Data;
   5
   6 typedef struct _Elm_Slideshow_Item Elm_Slideshow_Item;
   7
   8 struct _Elm_Slideshow_Item
   9 {
  10    ELM_WIDGET_ITEM;
  11
  12    Eina_List *l, *l_built;
  13
  14    const Elm_Slideshow_Item_Class *itc;
  15 };
  16
  17 struct _Widget_Data
  18 {
  19    Evas_Object *slideshow;
  20
  21    // list of Elm_Slideshow_Item*
  22    Eina_List *items;
  23    Eina_List *items_built;
  24
  25    Elm_Slideshow_Item *current;
  26    Elm_Slideshow_Item *previous;
  27
  28    Eina_List *transitions;
  29    const char *transition;
  30
  31    int count_item_pre_before;
  32    int count_item_pre_after;
  33    Ecore_Timer *timer;
  34    double timeout;
  35    Eina_Bool loop:1;
  36
  37    struct {
  38         const char *current;
  39         Eina_List *list; //list of const char *
  40    } layout;
  41 };
  42
  43 static const char *widtype = NULL;
  44 static void _del_pre_hook(Evas_Object *obj);
  45 static void _del_hook(Evas_Object *obj);
  46 static void _mirrored_set(Evas_Object *obj, Eina_Bool rtl);
  47 static void _theme_hook(Evas_Object *obj);
  48 static void _sizing_eval(Evas_Object *obj);
  49 static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
  50 static Eina_Bool _timer_cb(void *data);
  51 static void _on_focus_hook(void *data, Evas_Object *obj);
  52 static Eina_Bool _event_hook(Evas_Object *obj, Evas_Object *src,
  53                              Evas_Callback_Type type, void *event_info);
  54
  55 static const char SIG_CHANGED[] = "changed";
  56 static const char SIG_TRANSITION_END[] = "transition,end";
  57
  58 static const Evas_Smart_Cb_Description _signals[] = {
  59    {SIG_CHANGED, ""},
  60    {SIG_TRANSITION_END, ""},
  61    {NULL, NULL}
  62 };
  63
  64 static Eina_Bool
  65 _event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type type, void *event_info)
  66 {
  67    if (type != EVAS_CALLBACK_KEY_DOWN) return EINA_FALSE;
  68    Evas_Event_Key_Down *ev = event_info;
  69    Widget_Data *wd = elm_widget_data_get(obj);
  70    if (!wd) return EINA_FALSE;
  71    if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return EINA_FALSE;
  72    if (elm_widget_disabled_get(obj)) return EINA_FALSE;
  73    if ((!strcmp(ev->keyname, "Left")) || (!strcmp(ev->keyname, "KP_Left")))
  74      {
  75         elm_slideshow_previous(obj);
  76         ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
  77         return EINA_TRUE;
  78      }
  79    if ((!strcmp(ev->keyname, "Right")) || (!strcmp(ev->keyname, "KP_Right")))
  80      {
  81         elm_slideshow_next(obj);
  82         ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
  83         return EINA_TRUE;
  84      }
  85    if ((!strcmp(ev->keyname, "Return")) ||
  86        (!strcmp(ev->keyname, "KP_Enter")) ||
  87        (!strcmp(ev->keyname, "space")))
  88      {
  89         if (wd->timeout)
  90           {
  91              if (wd->timer)
  92                {
  93                   ecore_timer_del(wd->timer);
  94                   wd->timer = NULL;
  95                }
  96              else
  97                elm_slideshow_timeout_set(obj, wd->timeout);
  98           }
  99         ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
 100         return EINA_TRUE;
 101      }
 102    return EINA_FALSE;
 103 }
 104
 105 static void
 106 _del_pre_hook(Evas_Object *obj)
 107 {
 108    Widget_Data *wd = elm_widget_data_get(obj);
 109    if (!wd) return;
 110    evas_object_event_callback_del_full(obj, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 111                                        _changed_size_hints, obj);
 112 }
 113
 114 static void
 115 _del_hook(Evas_Object *obj)
 116 {
 117    const char *layout;
 118    Widget_Data *wd = elm_widget_data_get(obj);
 119    if (!wd) return;
 120    elm_slideshow_clear(obj);
 121    elm_widget_stringlist_free(wd->transitions);
 122    if (wd->timer) ecore_timer_del(wd->timer);
 123    EINA_LIST_FREE(wd->layout.list, layout)
 124       eina_stringshare_del(layout);
 125    free(wd);
 126 }
 127
 128 static void
 129 _on_focus_hook(void *data __UNUSED__, Evas_Object *obj)
 130 {
 131    Widget_Data *wd = elm_widget_data_get(obj);
 132    if (!wd) return;
 133    if (elm_widget_focus_get(obj))
 134      {
 135         edje_object_signal_emit(wd->slideshow, "elm,action,focus", "elm");
 136         evas_object_focus_set(wd->slideshow, EINA_TRUE);
 137      }
 138    else
 139      {
 140         edje_object_signal_emit(wd->slideshow, "elm,action,unfocus", "elm");
 141         evas_object_focus_set(wd->slideshow, EINA_FALSE);
 142      }
 143 }
 144
 145 static void
 146 _mirrored_set(Evas_Object *obj, Eina_Bool rtl)
 147 {
 148    Widget_Data *wd = elm_widget_data_get(obj);
 149    if (!wd) return;
 150    edje_object_mirrored_set(wd->slideshow, rtl);
 151 }
 152
 153 static void
 154 _theme_hook(Evas_Object *obj)
 155 {
 156    Widget_Data *wd = elm_widget_data_get(obj);
 157    if (!wd) return;
 158    _elm_widget_mirrored_reload(obj);
 159    _mirrored_set(obj, elm_widget_mirrored_get(obj));
 160    _elm_theme_object_set(obj, wd->slideshow, "slideshow", "base", elm_widget_style_get(obj));
 161    edje_object_scale_set(wd->slideshow, elm_widget_scale_get(obj) *
 162                          _elm_config->scale);
 163    _sizing_eval(obj);
 164 }
 165
 166 static void
 167 _sizing_eval(Evas_Object *obj)
 168 {
 169    Widget_Data *wd = elm_widget_data_get(obj);
 170    Evas_Coord minw = -1, minh = -1;
 171    if (!wd) return;
 172    edje_object_size_min_calc(wd->slideshow, &minw, &minh);
 173    evas_object_size_hint_min_set(obj, minw, minh);
 174    evas_object_size_hint_max_set(obj, minw, minh);
 175 }
 176
 177
 178 static Elm_Slideshow_Item* _item_prev_get(Elm_Slideshow_Item* item)
 179 {
 180    Widget_Data *wd = elm_widget_data_get(WIDGET(item));
 181    Elm_Slideshow_Item* prev = eina_list_data_get(eina_list_prev(item->l));
 182    if ((!prev) && (wd->loop))
 183      prev = eina_list_data_get(eina_list_last(item->l));
 184    return prev;
 185 }
 186
 187 static Elm_Slideshow_Item* _item_next_get(Elm_Slideshow_Item* item)
 188 {
 189    Widget_Data *wd = elm_widget_data_get(WIDGET(item));
 190    Elm_Slideshow_Item* next = eina_list_data_get(eina_list_next(item->l));
 191    if ((!next) && (wd->loop))
 192      next = eina_list_data_get(wd->items);
 193    return next;
 194 }
 195
 196 static void
 197 _changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 198 {
 199    _sizing_eval(data);
 200 }
 201
 202 static void
 203 _sub_del(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 204 {
 205    ;
 206 }
 207
 208 static void
 209 _item_realize(Elm_Slideshow_Item *item)
 210 {
 211    Elm_Slideshow_Item *_item_prev, *_item_next;
 212    Evas_Object *obj = WIDGET(item);
 213    Widget_Data *wd = elm_widget_data_get(obj);
 214    int ac, bc, lc, ic = 0;
 215
 216    if (!wd) return;
 217    if ((!VIEW(item)) && (item->itc->func.get))
 218      {
 219         VIEW(item) = item->itc->func.get(elm_widget_item_data_get(item),
 220                                          obj);
 221         evas_object_smart_member_add(VIEW(item), obj);
 222         item->l_built = eina_list_append(NULL, item);
 223         wd->items_built = eina_list_merge(wd->items_built, item->l_built);
 224         evas_object_hide(VIEW(item));
 225      }
 226    else if (item->l_built)
 227      wd->items_built = eina_list_demote_list(wd->items_built, item->l_built);
 228
 229    //pre-create previous and next item
 230    ac = wd->count_item_pre_after;
 231    _item_next = item;
 232    bc = wd->count_item_pre_before;
 233    _item_prev = item;
 234    lc = eina_list_count(wd->items) - 1;
 235    while (lc > 0 && ((ac > 0) || (bc > 0)))
 236      {
 237         if (lc > 0 && ac > 0)
 238           {
 239              --ac;
 240              --lc;
 241              if (_item_next)
 242                {
 243                   _item_next = _item_next_get(_item_next);
 244                   if ((_item_next)
 245                       && (!VIEW(_item_next))
 246                       && (_item_next->itc->func.get))
 247                     {
 248                        ic++;
 249                        VIEW(_item_next) =
 250                           _item_next->itc->func.get(
 251                              elm_widget_item_data_get(_item_next), obj);
 252                        evas_object_smart_member_add(VIEW(_item_next), obj);
 253                        _item_next->l_built = eina_list_append(NULL, _item_next);
 254                        wd->items_built = eina_list_merge(wd->items_built,
 255                                                          _item_next->l_built);
 256                        evas_object_hide(VIEW(_item_next));
 257                     }
 258                   else if (_item_next && _item_next->l_built)
 259                     {
 260                        ic++;
 261                        wd->items_built =
 262                            eina_list_demote_list(wd->items_built,
 263                                              _item_next->l_built);
 264                     }
 265                }
 266           }
 267
 268         if (lc > 0 && bc > 0)
 269           {
 270              --bc;
 271              --lc;
 272              if (_item_prev)
 273                {
 274                   _item_prev = _item_prev_get(_item_prev);
 275                   if ((_item_prev)
 276                       && (!VIEW(_item_prev))
 277                       && (_item_prev->itc->func.get))
 278                     {
 279                        ic++;
 280                        VIEW(_item_prev) =
 281                           _item_prev->itc->func.get(
 282                              elm_widget_item_data_get(_item_prev), obj);
 283                        evas_object_smart_member_add(VIEW(_item_prev), obj);
 284                        _item_prev->l_built = eina_list_append(NULL, _item_prev);
 285                        wd->items_built = eina_list_merge(wd->items_built,
 286                                                          _item_prev->l_built);
 287                        evas_object_hide(VIEW(_item_prev));
 288                     }
 289                   else if (_item_prev && _item_prev->l_built)
 290                     {
 291                        ic++;
 292                        wd->items_built =
 293                            eina_list_demote_list(wd->items_built,
 294                                              _item_prev->l_built);
 295                     }
 296                }
 297           }
 298      }
 299
 300    //delete unused items
 301    lc = ic + 1;
 302    while ((int)eina_list_count(wd->items_built) > lc)
 303      {
 304         item = eina_list_data_get(wd->items_built);
 305         wd->items_built = eina_list_remove_list(wd->items_built,
 306                                                 wd->items_built);
 307         if (item->itc->func.del)
 308           item->itc->func.del(elm_widget_item_data_get(item), VIEW(item));
 309         evas_object_del(VIEW(item));
 310         VIEW(item) = NULL;
 311      }
 312 }
 313
 314 static void
 315 _end(void *data, Evas_Object *obj __UNUSED__, const char *emission, const char *source __UNUSED__)
 316 {
 317    Elm_Slideshow_Item *item;
 318    Widget_Data *wd = elm_widget_data_get(data);
 319    if (!wd) return;
 320
 321    item = wd->previous;
 322    if (item)
 323      {
 324         edje_object_part_unswallow(wd->slideshow, VIEW(item));
 325         evas_object_hide(VIEW(item));
 326         wd->previous = NULL;
 327      }
 328
 329    item = wd->current;
 330    if ((!item) || (!VIEW(item))) return;
 331
 332    _item_realize(item);
 333    edje_object_part_unswallow(wd->slideshow, VIEW(item));
 334
 335    edje_object_part_swallow(wd->slideshow, "elm.swallow.1", VIEW(item));
 336    edje_object_signal_emit(wd->slideshow, "anim,end", "slideshow");
 337    if (emission != NULL)
 338      evas_object_smart_callback_call(data, SIG_TRANSITION_END, wd->current);
 339 }
 340
 341 static Eina_Bool
 342 _timer_cb(void *data)
 343 {
 344    Evas_Object *obj = data;
 345    Widget_Data *wd = elm_widget_data_get(obj);
 346    if (!wd) return ECORE_CALLBACK_CANCEL;
 347    wd->timer = NULL;
 348    elm_slideshow_next(obj);
 349    return ECORE_CALLBACK_CANCEL;
 350 }
 351
 352 static Eina_Bool
 353 _item_del_pre_hook(Elm_Object_Item *it)
 354 {
 355    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, EINA_FALSE);
 356
 357    Elm_Slideshow_Item *item = (Elm_Slideshow_Item *) it;
 358    Widget_Data *wd = elm_widget_data_get(WIDGET(item));
 359    if (!wd) return EINA_FALSE;
 360
 361    if (wd->previous == item) wd->previous = NULL;
 362    if (wd->current == item)
 363      {
 364         Eina_List *l = eina_list_data_find_list(wd->items, item);
 365         Eina_List *l2 = eina_list_next(l);
 366         wd->current = NULL;
 367         if (!l2)
 368           {
 369              l2 = eina_list_prev(l);
 370              if (l2)
 371                elm_slideshow_show(eina_list_data_get(l2));
 372
 373           }
 374         else
 375           elm_slideshow_show(eina_list_data_get(l2));
 376      }
 377
 378    wd->items = eina_list_remove_list(wd->items, item->l);
 379    wd->items_built = eina_list_remove_list(wd->items_built, item->l_built);
 380
 381    if ((VIEW(item)) && (item->itc->func.del))
 382      item->itc->func.del(elm_widget_item_data_get(item), VIEW(item));
 383
 384    return EINA_TRUE;
 385 }
 386
 387 EAPI Evas_Object *
 388 elm_slideshow_add(Evas_Object *parent)
 389 {
 390    Evas_Object *obj;
 391    Evas *e;
 392    Widget_Data *wd;
 393
 394    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 395
 396    ELM_SET_WIDTYPE(widtype, "slideshow");
 397    elm_widget_type_set(obj, "slideshow");
 398    elm_widget_sub_object_add(parent, obj);
 399    elm_widget_on_focus_hook_set(obj, _on_focus_hook, NULL);
 400    elm_widget_data_set(obj, wd);
 401    elm_widget_del_pre_hook_set(obj, _del_pre_hook);
 402    elm_widget_del_hook_set(obj, _del_hook);
 403    elm_widget_theme_hook_set(obj, _theme_hook);
 404    elm_widget_can_focus_set(obj, EINA_TRUE);
 405    elm_widget_event_hook_set(obj, _event_hook);
 406
 407    wd->current = NULL;
 408    wd->previous = NULL;
 409
 410    wd->slideshow = edje_object_add(e);
 411    _elm_theme_object_set(obj, wd->slideshow, "slideshow", "base", "default");
 412    evas_object_smart_member_add(wd->slideshow, obj);
 413    wd->count_item_pre_before = 2;
 414    wd->count_item_pre_after = 2;
 415    elm_widget_resize_object_set(obj, wd->slideshow);
 416    evas_object_show(wd->slideshow);
 417
 418    wd->transitions = elm_widget_stringlist_get(edje_object_data_get(wd->slideshow, "transitions"));
 419    if (eina_list_count(wd->transitions) > 0)
 420      wd->transition = eina_stringshare_add(eina_list_data_get(wd->transitions));
 421
 422    wd->layout.list = elm_widget_stringlist_get(edje_object_data_get(wd->slideshow, "layouts"));
 423    if (eina_list_count(wd->layout.list) > 0)
 424      wd->layout.current = eina_list_data_get(wd->layout.list);
 425
 426    edje_object_signal_callback_add(wd->slideshow, "end", "slideshow", _end, obj);
 427
 428    evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
 429    evas_object_event_callback_add(obj, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _changed_size_hints, obj);
 430
 431    evas_object_smart_callbacks_descriptions_set(obj, _signals);
 432
 433    _mirrored_set(obj, elm_widget_mirrored_get(obj));
 434    _sizing_eval(obj);
 435    return obj;
 436 }
 437
 438 EAPI Elm_Object_Item*
 439 elm_slideshow_item_add(Evas_Object *obj, const Elm_Slideshow_Item_Class *itc, const void *data)
 440 {
 441    Elm_Slideshow_Item *item;
 442    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 443    Widget_Data *wd = elm_widget_data_get(obj);
 444
 445    if (!wd) return NULL;
 446    item = elm_widget_item_new(obj, Elm_Slideshow_Item);
 447    if (!item) return NULL;
 448    elm_widget_item_del_pre_hook_set(item, _item_del_pre_hook);
 449    item->itc = itc;
 450    item->l = eina_list_append(item->l, item);
 451    elm_widget_item_data_set(item, data);
 452
 453    wd->items = eina_list_merge(wd->items, item->l);
 454
 455    if (!wd->current) elm_slideshow_show((Elm_Object_Item *) item);
 456
 457    return (Elm_Object_Item *) item;
 458 }
 459
 460 EAPI Elm_Object_Item*
 461 elm_slideshow_item_sorted_insert(Evas_Object *obj, const Elm_Slideshow_Item_Class *itc, const void *data, Eina_Compare_Cb func)
 462 {
 463    Elm_Slideshow_Item *item;
 464    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 465    Widget_Data *wd = elm_widget_data_get(obj);
 466    if (!wd) return NULL;
 467
 468    item = elm_widget_item_new(obj, Elm_Slideshow_Item);
 469    if (!item) return NULL;
 470    elm_widget_item_del_pre_hook_set(item, _item_del_pre_hook);
 471    item->itc = itc;
 472    item->l = eina_list_append(item->l, item);
 473    elm_widget_item_data_set(item, data);
 474
 475    wd->items = eina_list_sorted_merge(wd->items, item->l, func);
 476
 477    if (!wd->current) elm_slideshow_show((Elm_Object_Item *) item);
 478
 479    return (Elm_Object_Item *) item;
 480 }
 481
 482 EAPI void
 483 elm_slideshow_show(Elm_Object_Item *it)
 484 {
 485    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 486
 487    char buf[1024];
 488    Elm_Slideshow_Item *item, *next = NULL;
 489    Widget_Data *wd;
 490    item = (Elm_Slideshow_Item *) it;
 491    wd = elm_widget_data_get(WIDGET(item));
 492    if (!wd)  return;
 493    if (item == wd->current) return;
 494
 495    next = item;
 496    _end(WIDGET(item), WIDGET(item), NULL, NULL);
 497
 498    if (wd->timer) ecore_timer_del(wd->timer);
 499    if (wd->timeout > 0.0)
 500      wd->timer = ecore_timer_add(wd->timeout, _timer_cb, WIDGET(item));
 501    _item_realize(next);
 502    edje_object_part_swallow(wd->slideshow, "elm.swallow.2", VIEW(next));
 503    snprintf(buf, sizeof(buf), "%s,next", wd->transition);
 504    edje_object_signal_emit(wd->slideshow, buf, "slideshow");
 505    wd->previous = wd->current;
 506    wd->current = next;
 507    evas_object_smart_callback_call(WIDGET(item), SIG_CHANGED, wd->current);
 508 }
 509
 510 EAPI void
 511 elm_slideshow_next(Evas_Object *obj)
 512 {
 513    char buf[1024];
 514    Elm_Slideshow_Item *next = NULL;
 515    ELM_CHECK_WIDTYPE(obj, widtype);
 516    Widget_Data *wd = elm_widget_data_get(obj);
 517
 518    if (!wd) return;
 519
 520    if (wd->current)
 521      next = _item_next_get(wd->current);
 522
 523    if ((!next) || (next == wd->current)) return;
 524
 525    _end(obj, obj, NULL, NULL);
 526
 527    if (wd->timer) ecore_timer_del(wd->timer);
 528    if (wd->timeout > 0.0)
 529      wd->timer = ecore_timer_add(wd->timeout, _timer_cb, obj);
 530
 531    _item_realize(next);
 532
 533    edje_object_part_swallow(wd->slideshow, "elm.swallow.2", VIEW(next));
 534
 535    snprintf(buf, sizeof(buf), "%s,next", wd->transition);
 536    edje_object_signal_emit(wd->slideshow, buf, "slideshow");
 537
 538    wd->previous = wd->current;
 539    wd->current = next;
 540    evas_object_smart_callback_call(obj, SIG_CHANGED, wd->current);
 541 }
 542
 543 EAPI void
 544 elm_slideshow_previous(Evas_Object *obj)
 545 {
 546    char buf[1024];
 547    Elm_Slideshow_Item *prev = NULL;
 548    ELM_CHECK_WIDTYPE(obj, widtype);
 549    Widget_Data *wd = elm_widget_data_get(obj);
 550
 551    if (!wd) return;
 552
 553    if (wd->current)
 554      prev = _item_prev_get(wd->current);
 555
 556    if ((!prev) ||  (prev == wd->current)) return;
 557
 558    _end(obj, obj, NULL, NULL);
 559
 560    if (wd->timer) ecore_timer_del(wd->timer);
 561    if (wd->timeout > 0.0)
 562      wd->timer = ecore_timer_add(wd->timeout, _timer_cb, obj);
 563
 564    _item_realize(prev);
 565
 566    edje_object_part_swallow(wd->slideshow, "elm.swallow.2", VIEW(prev));
 567
 568    snprintf(buf, 1024, "%s,previous", wd->transition);
 569    edje_object_signal_emit(wd->slideshow, buf, "slideshow");
 570
 571    wd->previous = wd->current;
 572    wd->current = prev;
 573    evas_object_smart_callback_call(obj, SIG_CHANGED, wd->current);
 574 }
 575
 576 EAPI const Eina_List *
 577 elm_slideshow_transitions_get(const Evas_Object *obj)
 578 {
 579    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 580    Widget_Data *wd = elm_widget_data_get(obj);
 581    if (!wd) return NULL;
 582    return wd->transitions;
 583 }
 584
 585 EAPI const Eina_List *
 586 elm_slideshow_layouts_get(const Evas_Object *obj)
 587 {
 588    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 589    Widget_Data *wd = elm_widget_data_get(obj);
 590    if (!wd) return NULL;
 591    return wd->layout.list;
 592 }
 593
 594 EAPI void
 595 elm_slideshow_transition_set(Evas_Object *obj, const char *transition)
 596 {
 597    ELM_CHECK_WIDTYPE(obj, widtype);
 598    Widget_Data *wd = elm_widget_data_get(obj);
 599    if (!wd) return;
 600    eina_stringshare_replace(&wd->transition, transition);
 601 }
 602
 603 EAPI const char *
 604 elm_slideshow_transition_get(const Evas_Object *obj)
 605 {
 606    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 607    Widget_Data *wd = elm_widget_data_get(obj);
 608    if (!wd) return NULL;
 609    return wd->transition;
 610 }
 611
 612 EAPI void
 613 elm_slideshow_timeout_set(Evas_Object *obj, double timeout)
 614 {
 615    ELM_CHECK_WIDTYPE(obj, widtype);
 616    Widget_Data *wd = elm_widget_data_get(obj);
 617    if (!wd) return;
 618    wd->timeout = timeout;
 619    if (wd->timer) ecore_timer_del(wd->timer);
 620    wd->timer = NULL;
 621    if (timeout > 0.0)
 622      wd->timer = ecore_timer_add(timeout, _timer_cb, obj);
 623 }
 624
 625 EAPI double
 626 elm_slideshow_timeout_get(const Evas_Object *obj)
 627 {
 628    ELM_CHECK_WIDTYPE(obj, widtype) -1.0;
 629    Widget_Data *wd = elm_widget_data_get(obj);
 630    if (!wd) return -1.0;
 631    return wd->timeout;
 632 }
 633
 634 EAPI void
 635 elm_slideshow_loop_set(Evas_Object *obj, Eina_Bool loop)
 636 {
 637    ELM_CHECK_WIDTYPE(obj, widtype);
 638    Widget_Data *wd = elm_widget_data_get(obj);
 639    if (!wd) return;
 640    wd->loop = loop;
 641 }
 642
 643 EAPI const char *
 644 elm_slideshow_layout_get(const Evas_Object *obj)
 645 {
 646    ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
 647    Widget_Data *wd = elm_widget_data_get(obj);
 648    if (!wd) return EINA_FALSE;
 649    return wd->layout.current;
 650 }
 651
 652 EAPI void
 653 elm_slideshow_layout_set(Evas_Object *obj, const char *layout)
 654 {
 655    char buf[PATH_MAX];
 656    ELM_CHECK_WIDTYPE(obj, widtype);
 657    Widget_Data *wd = elm_widget_data_get(obj);
 658    if (!wd) return;
 659
 660    wd->layout.current = layout;
 661    snprintf(buf, sizeof(buf), "layout,%s", layout);
 662    edje_object_signal_emit(wd->slideshow, buf, "slideshow");
 663 }
 664
 665 EAPI Eina_Bool
 666 elm_slideshow_loop_get(const Evas_Object *obj)
 667 {
 668    ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
 669    Widget_Data *wd = elm_widget_data_get(obj);
 670    if (!wd) return EINA_FALSE;
 671    return wd->loop;
 672 }
 673
 674 EAPI void
 675 elm_slideshow_clear(Evas_Object *obj)
 676 {
 677    Elm_Slideshow_Item *item;
 678    ELM_CHECK_WIDTYPE(obj, widtype);
 679    Widget_Data *wd = elm_widget_data_get(obj);
 680    if (!wd) return;
 681    wd->previous = NULL;
 682    wd->current = NULL;
 683    EINA_LIST_FREE(wd->items_built, item)
 684      {
 685         if (item->itc->func.del)
 686           item->itc->func.del(elm_widget_item_data_get(item), VIEW(item));
 687      }
 688
 689    EINA_LIST_FREE(wd->items, item)
 690      elm_widget_item_free(item);
 691 }
 692
 693 EAPI void
 694 elm_slideshow_item_del(Elm_Object_Item *it)
 695 {
 696    elm_object_item_del(it);
 697 }
 698
 699 EAPI const Eina_List *
 700 elm_slideshow_items_get(const Evas_Object *obj)
 701 {
 702    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 703    Widget_Data *wd = elm_widget_data_get(obj);
 704    if (!wd) return NULL;
 705    return wd->items;
 706 }
 707
 708 EAPI Elm_Object_Item *
 709 elm_slideshow_item_current_get(const Evas_Object *obj)
 710 {
 711    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 712    Widget_Data *wd = elm_widget_data_get(obj);
 713    if (!wd) return NULL;
 714    return (Elm_Object_Item *) wd->current;
 715 }
 716
 717 EAPI Evas_Object *
 718 elm_slideshow_item_object_get(const Elm_Object_Item * it)
 719 {
 720    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
 721    return VIEW(it);
 722 }
 723
 724 EAPI void *
 725 elm_slideshow_item_data_get(const Elm_Object_Item * it)
 726 {
 727    return elm_object_item_data_get(it);
 728 }
 729
 730 EAPI int
 731 elm_slideshow_cache_before_get(const Evas_Object *obj)
 732 {
 733    ELM_CHECK_WIDTYPE(obj, widtype) -1;
 734    Widget_Data *wd = elm_widget_data_get(obj);
 735    if (!wd) return -1;
 736    return wd->count_item_pre_before;
 737 }
 738
 739 EAPI void
 740 elm_slideshow_cache_before_set(Evas_Object *obj, int count)
 741 {
 742    ELM_CHECK_WIDTYPE(obj, widtype);
 743    Widget_Data *wd = elm_widget_data_get(obj);
 744    if (!wd) return;
 745    if (count < 0) count = 0;
 746    wd->count_item_pre_before = count;
 747 }
 748
 749 EAPI int
 750 elm_slideshow_cache_after_get(const Evas_Object *obj)
 751 {
 752    ELM_CHECK_WIDTYPE(obj, widtype) -1;
 753    Widget_Data *wd = elm_widget_data_get(obj);
 754    if (!wd) return -1;
 755    return wd->count_item_pre_after;
 756 }
 757
 758 EAPI void
 759 elm_slideshow_cache_after_set(Evas_Object *obj, int count)
 760 {
 761    ELM_CHECK_WIDTYPE(obj, widtype);
 762    Widget_Data *wd = elm_widget_data_get(obj);
 763    if (!wd) return;
 764    if (count < 0) count = 0;
 765    wd->count_item_pre_after = count;
 766 }
 767
 768 EAPI Elm_Object_Item *
 769 elm_slideshow_item_nth_get(const Evas_Object *obj, unsigned int nth)
 770 {
 771    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 772    Widget_Data *wd = elm_widget_data_get(obj);
 773    if (!wd) return NULL;
 774    return eina_list_nth(wd->items, nth);
 775 }
 776
 777 EAPI unsigned int
 778 elm_slideshow_count_get(const Evas_Object *obj)
 779 {
 780    ELM_CHECK_WIDTYPE(obj, widtype) 0;
 781    Widget_Data *wd = elm_widget_data_get(obj);
 782    if (!wd) return 0;
 783    return eina_list_count(wd->items);
 784 }