1 #include <Elementary.h>
4 typedef struct _Widget_Data Widget_Data;
5 typedef struct _Elm_Slideshow_Item Elm_Slideshow_Item;
7 struct _Elm_Slideshow_Item
11 Eina_List *l, *l_built;
13 const Elm_Slideshow_Item_Class *itc;
18 Evas_Object *slideshow;
20 // list of Elm_Slideshow_Item*
22 Eina_List *items_built;
24 Elm_Slideshow_Item *current;
25 Elm_Slideshow_Item *previous;
27 Eina_List *transitions;
28 const char *transition;
30 int count_item_pre_before;
31 int count_item_pre_after;
38 Eina_List *list; //list of const char *
42 static const char *widtype = NULL;
43 static void _del_pre_hook(Evas_Object *obj);
44 static void _del_hook(Evas_Object *obj);
45 static void _mirrored_set(Evas_Object *obj, Eina_Bool rtl);
46 static void _theme_hook(Evas_Object *obj);
47 static void _sizing_eval(Evas_Object *obj);
48 static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
49 static Eina_Bool _timer_cb(void *data);
50 static void _on_focus_hook(void *data, Evas_Object *obj);
51 static Eina_Bool _event_hook(Evas_Object *obj, Evas_Object *src,
52 Evas_Callback_Type type, void *event_info);
54 static const char SIG_CHANGED[] = "changed";
55 static const char SIG_TRANSITION_END[] = "transition,end";
57 static const Evas_Smart_Cb_Description _signals[] = {
59 {SIG_TRANSITION_END, ""},
64 _event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type type, void *event_info)
66 if (type != EVAS_CALLBACK_KEY_DOWN) return EINA_FALSE;
67 Evas_Event_Key_Down *ev = event_info;
68 Widget_Data *wd = elm_widget_data_get(obj);
69 if (!wd) return EINA_FALSE;
70 if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return EINA_FALSE;
71 if (elm_widget_disabled_get(obj)) return EINA_FALSE;
72 if ((!strcmp(ev->keyname, "Left")) || (!strcmp(ev->keyname, "KP_Left")))
74 elm_slideshow_previous(obj);
75 ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
78 if ((!strcmp(ev->keyname, "Right")) || (!strcmp(ev->keyname, "KP_Right")))
80 elm_slideshow_next(obj);
81 ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
84 if ((!strcmp(ev->keyname, "Return")) ||
85 (!strcmp(ev->keyname, "KP_Enter")) ||
86 (!strcmp(ev->keyname, "space")))
92 ecore_timer_del(wd->timer);
96 elm_slideshow_timeout_set(obj, wd->timeout);
98 ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
105 _del_pre_hook(Evas_Object *obj)
107 Widget_Data *wd = elm_widget_data_get(obj);
109 evas_object_event_callback_del_full(obj, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
110 _changed_size_hints, obj);
114 _del_hook(Evas_Object *obj)
117 Widget_Data *wd = elm_widget_data_get(obj);
119 elm_slideshow_clear(obj);
120 elm_widget_stringlist_free(wd->transitions);
121 if (wd->timer) ecore_timer_del(wd->timer);
122 EINA_LIST_FREE(wd->layout.list, layout)
123 eina_stringshare_del(layout);
128 _on_focus_hook(void *data __UNUSED__, Evas_Object *obj)
130 Widget_Data *wd = elm_widget_data_get(obj);
132 if (elm_widget_focus_get(obj))
134 edje_object_signal_emit(wd->slideshow, "elm,action,focus", "elm");
135 evas_object_focus_set(wd->slideshow, EINA_TRUE);
139 edje_object_signal_emit(wd->slideshow, "elm,action,unfocus", "elm");
140 evas_object_focus_set(wd->slideshow, EINA_FALSE);
145 _mirrored_set(Evas_Object *obj, Eina_Bool rtl)
147 Widget_Data *wd = elm_widget_data_get(obj);
149 edje_object_mirrored_set(wd->slideshow, rtl);
153 _theme_hook(Evas_Object *obj)
155 Widget_Data *wd = elm_widget_data_get(obj);
157 _elm_widget_mirrored_reload(obj);
158 _mirrored_set(obj, elm_widget_mirrored_get(obj));
159 _elm_theme_object_set(obj, wd->slideshow, "slideshow", "base", elm_widget_style_get(obj));
160 edje_object_scale_set(wd->slideshow, elm_widget_scale_get(obj) *
166 _sizing_eval(Evas_Object *obj)
168 Widget_Data *wd = elm_widget_data_get(obj);
169 Evas_Coord minw = -1, minh = -1;
171 edje_object_size_min_calc(wd->slideshow, &minw, &minh);
172 evas_object_size_hint_min_set(obj, minw, minh);
173 evas_object_size_hint_max_set(obj, minw, minh);
177 static Elm_Slideshow_Item* _item_prev_get(Elm_Slideshow_Item* item)
179 Widget_Data *wd = elm_widget_data_get(WIDGET(item));
180 Elm_Slideshow_Item* prev = eina_list_data_get(eina_list_prev(item->l));
181 if ((!prev) && (wd->loop))
182 prev = eina_list_data_get(eina_list_last(item->l));
186 static Elm_Slideshow_Item* _item_next_get(Elm_Slideshow_Item* item)
188 Widget_Data *wd = elm_widget_data_get(WIDGET(item));
189 Elm_Slideshow_Item* next = eina_list_data_get(eina_list_next(item->l));
190 if ((!next) && (wd->loop))
191 next = eina_list_data_get(wd->items);
196 _changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
202 _sub_del(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
208 _item_realize(Elm_Slideshow_Item *item)
210 Elm_Slideshow_Item *_item_prev, *_item_next;
211 Evas_Object *obj = WIDGET(item);
212 Widget_Data *wd = elm_widget_data_get(obj);
213 int ac, bc, lc, ic = 0;
216 if ((!VIEW(item)) && (item->itc->func.get))
218 VIEW(item) = item->itc->func.get(elm_widget_item_data_get(item),
220 evas_object_smart_member_add(VIEW(item), obj);
221 item->l_built = eina_list_append(NULL, item);
222 wd->items_built = eina_list_merge(wd->items_built, item->l_built);
223 evas_object_hide(VIEW(item));
225 else if (item->l_built)
226 wd->items_built = eina_list_demote_list(wd->items_built, item->l_built);
228 //pre-create previous and next item
229 ac = wd->count_item_pre_after;
231 bc = wd->count_item_pre_before;
233 lc = eina_list_count(wd->items) - 1;
234 while (lc > 0 && ((ac > 0) || (bc > 0)))
236 if (lc > 0 && ac > 0)
242 _item_next = _item_next_get(_item_next);
244 && (!VIEW(_item_next))
245 && (_item_next->itc->func.get))
249 _item_next->itc->func.get(
250 elm_widget_item_data_get(_item_next), obj);
251 evas_object_smart_member_add(VIEW(_item_next), obj);
252 _item_next->l_built = eina_list_append(NULL, _item_next);
253 wd->items_built = eina_list_merge(wd->items_built,
254 _item_next->l_built);
255 evas_object_hide(VIEW(_item_next));
257 else if (_item_next && _item_next->l_built)
261 eina_list_demote_list(wd->items_built,
262 _item_next->l_built);
267 if (lc > 0 && bc > 0)
273 _item_prev = _item_prev_get(_item_prev);
275 && (!VIEW(_item_prev))
276 && (_item_prev->itc->func.get))
280 _item_prev->itc->func.get(
281 elm_widget_item_data_get(_item_prev), obj);
282 evas_object_smart_member_add(VIEW(_item_prev), obj);
283 _item_prev->l_built = eina_list_append(NULL, _item_prev);
284 wd->items_built = eina_list_merge(wd->items_built,
285 _item_prev->l_built);
286 evas_object_hide(VIEW(_item_prev));
288 else if (_item_prev && _item_prev->l_built)
292 eina_list_demote_list(wd->items_built,
293 _item_prev->l_built);
299 //delete unused items
301 while ((int)eina_list_count(wd->items_built) > lc)
303 item = eina_list_data_get(wd->items_built);
304 wd->items_built = eina_list_remove_list(wd->items_built,
306 if (item->itc->func.del)
307 item->itc->func.del(elm_widget_item_data_get(item), VIEW(item));
308 evas_object_del(VIEW(item));
314 _end(void *data, Evas_Object *obj __UNUSED__, const char *emission, const char *source __UNUSED__)
316 Elm_Slideshow_Item *item;
317 Widget_Data *wd = elm_widget_data_get(data);
323 edje_object_part_unswallow(wd->slideshow, VIEW(item));
324 evas_object_hide(VIEW(item));
329 if ((!item) || (!VIEW(item))) return;
332 edje_object_part_unswallow(wd->slideshow, VIEW(item));
334 edje_object_part_swallow(wd->slideshow, "elm.swallow.1", VIEW(item));
335 edje_object_signal_emit(wd->slideshow, "anim,end", "slideshow");
336 if (emission != NULL)
337 evas_object_smart_callback_call(data, SIG_TRANSITION_END, wd->current);
341 _timer_cb(void *data)
343 Evas_Object *obj = data;
344 Widget_Data *wd = elm_widget_data_get(obj);
345 if (!wd) return ECORE_CALLBACK_CANCEL;
347 elm_slideshow_next(obj);
348 return ECORE_CALLBACK_CANCEL;
352 _item_del_pre_hook(Elm_Object_Item *it)
354 ELM_OBJ_ITEM_CHECK_OR_RETURN(it, EINA_FALSE);
356 Elm_Slideshow_Item *item = (Elm_Slideshow_Item *) it;
357 Widget_Data *wd = elm_widget_data_get(WIDGET(item));
358 if (!wd) return EINA_FALSE;
360 if (wd->previous == item) wd->previous = NULL;
361 if (wd->current == item)
363 Eina_List *l = eina_list_data_find_list(wd->items, item);
364 Eina_List *l2 = eina_list_next(l);
368 l2 = eina_list_prev(l);
370 elm_slideshow_show(eina_list_data_get(l2));
374 elm_slideshow_show(eina_list_data_get(l2));
377 wd->items = eina_list_remove_list(wd->items, item->l);
378 wd->items_built = eina_list_remove_list(wd->items_built, item->l_built);
380 if ((VIEW(item)) && (item->itc->func.del))
381 item->itc->func.del(elm_widget_item_data_get(item), VIEW(item));
387 elm_slideshow_add(Evas_Object *parent)
393 ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
395 ELM_SET_WIDTYPE(widtype, "slideshow");
396 elm_widget_type_set(obj, "slideshow");
397 elm_widget_sub_object_add(parent, obj);
398 elm_widget_on_focus_hook_set(obj, _on_focus_hook, NULL);
399 elm_widget_data_set(obj, wd);
400 elm_widget_del_pre_hook_set(obj, _del_pre_hook);
401 elm_widget_del_hook_set(obj, _del_hook);
402 elm_widget_theme_hook_set(obj, _theme_hook);
403 elm_widget_can_focus_set(obj, EINA_TRUE);
404 elm_widget_event_hook_set(obj, _event_hook);
409 wd->slideshow = edje_object_add(e);
410 _elm_theme_object_set(obj, wd->slideshow, "slideshow", "base", "default");
411 evas_object_smart_member_add(wd->slideshow, obj);
412 wd->count_item_pre_before = 2;
413 wd->count_item_pre_after = 2;
414 elm_widget_resize_object_set(obj, wd->slideshow);
415 evas_object_show(wd->slideshow);
417 wd->transitions = elm_widget_stringlist_get(edje_object_data_get(wd->slideshow, "transitions"));
418 if (eina_list_count(wd->transitions) > 0)
419 wd->transition = eina_stringshare_add(eina_list_data_get(wd->transitions));
421 wd->layout.list = elm_widget_stringlist_get(edje_object_data_get(wd->slideshow, "layouts"));
422 if (eina_list_count(wd->layout.list) > 0)
423 wd->layout.current = eina_list_data_get(wd->layout.list);
425 edje_object_signal_callback_add(wd->slideshow, "end", "slideshow", _end, obj);
427 evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
428 evas_object_event_callback_add(obj, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _changed_size_hints, obj);
430 evas_object_smart_callbacks_descriptions_set(obj, _signals);
432 _mirrored_set(obj, elm_widget_mirrored_get(obj));
437 EAPI Elm_Object_Item*
438 elm_slideshow_item_add(Evas_Object *obj, const Elm_Slideshow_Item_Class *itc, const void *data)
440 Elm_Slideshow_Item *item;
441 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
442 Widget_Data *wd = elm_widget_data_get(obj);
444 if (!wd) return NULL;
445 item = elm_widget_item_new(obj, Elm_Slideshow_Item);
446 if (!item) return NULL;
447 elm_widget_item_del_pre_hook_set(item, _item_del_pre_hook);
449 item->l = eina_list_append(item->l, item);
450 elm_widget_item_data_set(item, data);
452 wd->items = eina_list_merge(wd->items, item->l);
454 if (!wd->current) elm_slideshow_show((Elm_Object_Item *) item);
456 return (Elm_Object_Item *) item;
459 EAPI Elm_Object_Item*
460 elm_slideshow_item_sorted_insert(Evas_Object *obj, const Elm_Slideshow_Item_Class *itc, const void *data, Eina_Compare_Cb func)
462 Elm_Slideshow_Item *item;
463 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
464 Widget_Data *wd = elm_widget_data_get(obj);
465 if (!wd) return NULL;
467 item = elm_widget_item_new(obj, Elm_Slideshow_Item);
468 if (!item) return NULL;
469 elm_widget_item_del_pre_hook_set(item, _item_del_pre_hook);
471 item->l = eina_list_append(item->l, item);
472 elm_widget_item_data_set(item, data);
474 wd->items = eina_list_sorted_merge(wd->items, item->l, func);
476 if (!wd->current) elm_slideshow_show((Elm_Object_Item *) item);
478 return (Elm_Object_Item *) item;
482 elm_slideshow_show(Elm_Object_Item *it)
484 ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
487 Elm_Slideshow_Item *item, *next = NULL;
489 item = (Elm_Slideshow_Item *) it;
490 wd = elm_widget_data_get(WIDGET(item));
492 if (item == wd->current) return;
495 _end(WIDGET(item), WIDGET(item), NULL, NULL);
497 if (wd->timer) ecore_timer_del(wd->timer);
498 if (wd->timeout > 0.0)
499 wd->timer = ecore_timer_add(wd->timeout, _timer_cb, WIDGET(item));
501 edje_object_part_swallow(wd->slideshow, "elm.swallow.2", VIEW(next));
502 snprintf(buf, sizeof(buf), "%s,next", wd->transition);
503 edje_object_signal_emit(wd->slideshow, buf, "slideshow");
504 wd->previous = wd->current;
506 evas_object_smart_callback_call(WIDGET(item), SIG_CHANGED, wd->current);
510 elm_slideshow_next(Evas_Object *obj)
513 Elm_Slideshow_Item *next = NULL;
514 ELM_CHECK_WIDTYPE(obj, widtype);
515 Widget_Data *wd = elm_widget_data_get(obj);
520 next = _item_next_get(wd->current);
522 if ((!next) || (next == wd->current)) return;
524 _end(obj, obj, NULL, NULL);
526 if (wd->timer) ecore_timer_del(wd->timer);
527 if (wd->timeout > 0.0)
528 wd->timer = ecore_timer_add(wd->timeout, _timer_cb, obj);
532 edje_object_part_swallow(wd->slideshow, "elm.swallow.2", VIEW(next));
534 snprintf(buf, sizeof(buf), "%s,next", wd->transition);
535 edje_object_signal_emit(wd->slideshow, buf, "slideshow");
537 wd->previous = wd->current;
539 evas_object_smart_callback_call(obj, SIG_CHANGED, wd->current);
543 elm_slideshow_previous(Evas_Object *obj)
546 Elm_Slideshow_Item *prev = NULL;
547 ELM_CHECK_WIDTYPE(obj, widtype);
548 Widget_Data *wd = elm_widget_data_get(obj);
553 prev = _item_prev_get(wd->current);
555 if ((!prev) || (prev == wd->current)) return;
557 _end(obj, obj, NULL, NULL);
559 if (wd->timer) ecore_timer_del(wd->timer);
560 if (wd->timeout > 0.0)
561 wd->timer = ecore_timer_add(wd->timeout, _timer_cb, obj);
565 edje_object_part_swallow(wd->slideshow, "elm.swallow.2", VIEW(prev));
567 snprintf(buf, 1024, "%s,previous", wd->transition);
568 edje_object_signal_emit(wd->slideshow, buf, "slideshow");
570 wd->previous = wd->current;
572 evas_object_smart_callback_call(obj, SIG_CHANGED, wd->current);
575 EAPI const Eina_List *
576 elm_slideshow_transitions_get(const Evas_Object *obj)
578 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
579 Widget_Data *wd = elm_widget_data_get(obj);
580 if (!wd) return NULL;
581 return wd->transitions;
584 EAPI const Eina_List *
585 elm_slideshow_layouts_get(const Evas_Object *obj)
587 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
588 Widget_Data *wd = elm_widget_data_get(obj);
589 if (!wd) return NULL;
590 return wd->layout.list;
594 elm_slideshow_transition_set(Evas_Object *obj, const char *transition)
596 ELM_CHECK_WIDTYPE(obj, widtype);
597 Widget_Data *wd = elm_widget_data_get(obj);
599 eina_stringshare_replace(&wd->transition, transition);
603 elm_slideshow_transition_get(const Evas_Object *obj)
605 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
606 Widget_Data *wd = elm_widget_data_get(obj);
607 if (!wd) return NULL;
608 return wd->transition;
612 elm_slideshow_timeout_set(Evas_Object *obj, double timeout)
614 ELM_CHECK_WIDTYPE(obj, widtype);
615 Widget_Data *wd = elm_widget_data_get(obj);
617 wd->timeout = timeout;
618 if (wd->timer) ecore_timer_del(wd->timer);
621 wd->timer = ecore_timer_add(timeout, _timer_cb, obj);
625 elm_slideshow_timeout_get(const Evas_Object *obj)
627 ELM_CHECK_WIDTYPE(obj, widtype) -1.0;
628 Widget_Data *wd = elm_widget_data_get(obj);
629 if (!wd) return -1.0;
634 elm_slideshow_loop_set(Evas_Object *obj, Eina_Bool loop)
636 ELM_CHECK_WIDTYPE(obj, widtype);
637 Widget_Data *wd = elm_widget_data_get(obj);
643 elm_slideshow_layout_get(const Evas_Object *obj)
645 ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
646 Widget_Data *wd = elm_widget_data_get(obj);
647 if (!wd) return EINA_FALSE;
648 return wd->layout.current;
652 elm_slideshow_layout_set(Evas_Object *obj, const char *layout)
655 ELM_CHECK_WIDTYPE(obj, widtype);
656 Widget_Data *wd = elm_widget_data_get(obj);
659 wd->layout.current = layout;
660 snprintf(buf, sizeof(buf), "layout,%s", layout);
661 edje_object_signal_emit(wd->slideshow, buf, "slideshow");
665 elm_slideshow_loop_get(const Evas_Object *obj)
667 ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
668 Widget_Data *wd = elm_widget_data_get(obj);
669 if (!wd) return EINA_FALSE;
674 elm_slideshow_clear(Evas_Object *obj)
676 Elm_Slideshow_Item *item;
677 ELM_CHECK_WIDTYPE(obj, widtype);
678 Widget_Data *wd = elm_widget_data_get(obj);
682 EINA_LIST_FREE(wd->items_built, item)
684 if (item->itc->func.del)
685 item->itc->func.del(elm_widget_item_data_get(item), VIEW(item));
688 EINA_LIST_FREE(wd->items, item)
689 elm_widget_item_free(item);
693 elm_slideshow_item_del(Elm_Object_Item *it)
695 elm_object_item_del(it);
698 EAPI const Eina_List *
699 elm_slideshow_items_get(const Evas_Object *obj)
701 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
702 Widget_Data *wd = elm_widget_data_get(obj);
703 if (!wd) return NULL;
707 EAPI Elm_Object_Item *
708 elm_slideshow_item_current_get(const Evas_Object *obj)
710 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
711 Widget_Data *wd = elm_widget_data_get(obj);
712 if (!wd) return NULL;
713 return (Elm_Object_Item *) wd->current;
717 elm_slideshow_item_object_get(const Elm_Object_Item * it)
719 ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
724 elm_slideshow_item_data_get(const Elm_Object_Item * it)
726 return elm_object_item_data_get(it);
730 elm_slideshow_cache_before_get(const Evas_Object *obj)
732 ELM_CHECK_WIDTYPE(obj, widtype) -1;
733 Widget_Data *wd = elm_widget_data_get(obj);
735 return wd->count_item_pre_before;
739 elm_slideshow_cache_before_set(Evas_Object *obj, int count)
741 ELM_CHECK_WIDTYPE(obj, widtype);
742 Widget_Data *wd = elm_widget_data_get(obj);
744 if (count < 0) count = 0;
745 wd->count_item_pre_before = count;
749 elm_slideshow_cache_after_get(const Evas_Object *obj)
751 ELM_CHECK_WIDTYPE(obj, widtype) -1;
752 Widget_Data *wd = elm_widget_data_get(obj);
754 return wd->count_item_pre_after;
758 elm_slideshow_cache_after_set(Evas_Object *obj, int count)
760 ELM_CHECK_WIDTYPE(obj, widtype);
761 Widget_Data *wd = elm_widget_data_get(obj);
763 if (count < 0) count = 0;
764 wd->count_item_pre_after = count;
767 EAPI Elm_Object_Item *
768 elm_slideshow_item_nth_get(const Evas_Object *obj, unsigned int nth)
770 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
771 Widget_Data *wd = elm_widget_data_get(obj);
772 if (!wd) return NULL;
773 return eina_list_nth(wd->items, nth);
777 elm_slideshow_count_get(const Evas_Object *obj)
779 ELM_CHECK_WIDTYPE(obj, widtype) 0;
780 Widget_Data *wd = elm_widget_data_get(obj);
782 return eina_list_count(wd->items);