1 #include <Elementary.h>
4 typedef struct _Widget_Data Widget_Data;
6 struct _Elm_Slideshow_Item
10 Eina_List *l, *l_built;
12 const Elm_Slideshow_Item_Class *itc;
17 Evas_Object *slideshow;
19 // list of Elm_Slideshow_Item*
21 Eina_List *items_built;
23 Elm_Slideshow_Item *current;
24 Elm_Slideshow_Item *previous;
26 Eina_List *transitions;
27 const char *transition;
29 int count_item_pre_before;
30 int count_item_pre_after;
37 Eina_List *list; //list of const char *
41 static const char *widtype = NULL;
42 static void _del_pre_hook(Evas_Object *obj);
43 static void _del_hook(Evas_Object *obj);
44 static void _mirrored_set(Evas_Object *obj, Eina_Bool rtl);
45 static void _theme_hook(Evas_Object *obj);
46 static void _sizing_eval(Evas_Object *obj);
47 static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
48 static Eina_Bool _timer_cb(void *data);
49 static void _on_focus_hook(void *data, Evas_Object *obj);
50 static Eina_Bool _event_hook(Evas_Object *obj, Evas_Object *src,
51 Evas_Callback_Type type, void *event_info);
53 static const char SIG_CHANGED[] = "changed";
54 static const char SIG_TRANSITION_END[] = "transition,end";
56 static const Evas_Smart_Cb_Description _signals[] = {
58 {SIG_TRANSITION_END, ""},
63 _event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type type, void *event_info)
65 if (type != EVAS_CALLBACK_KEY_DOWN) return EINA_FALSE;
66 Evas_Event_Key_Down *ev = event_info;
67 Widget_Data *wd = elm_widget_data_get(obj);
68 if (!wd) return EINA_FALSE;
69 if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return EINA_FALSE;
70 if (elm_widget_disabled_get(obj)) return EINA_FALSE;
71 if ((!strcmp(ev->keyname, "Left")) || (!strcmp(ev->keyname, "KP_Left")))
73 elm_slideshow_previous(obj);
74 ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
77 if ((!strcmp(ev->keyname, "Right")) || (!strcmp(ev->keyname, "KP_Right")))
79 elm_slideshow_next(obj);
80 ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
83 if ((!strcmp(ev->keyname, "Return")) ||
84 (!strcmp(ev->keyname, "KP_Enter")) ||
85 (!strcmp(ev->keyname, "space")))
91 ecore_timer_del(wd->timer);
95 elm_slideshow_timeout_set(obj, wd->timeout);
97 ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
104 _del_pre_hook(Evas_Object *obj)
106 Widget_Data *wd = elm_widget_data_get(obj);
108 evas_object_event_callback_del_full(obj, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
109 _changed_size_hints, obj);
113 _del_hook(Evas_Object *obj)
116 Widget_Data *wd = elm_widget_data_get(obj);
118 elm_slideshow_clear(obj);
119 elm_widget_stringlist_free(wd->transitions);
120 if (wd->timer) ecore_timer_del(wd->timer);
121 EINA_LIST_FREE(wd->layout.list, layout)
122 eina_stringshare_del(layout);
127 _on_focus_hook(void *data __UNUSED__, Evas_Object *obj)
129 Widget_Data *wd = elm_widget_data_get(obj);
131 if (elm_widget_focus_get(obj))
133 edje_object_signal_emit(wd->slideshow, "elm,action,focus", "elm");
134 evas_object_focus_set(wd->slideshow, EINA_TRUE);
138 edje_object_signal_emit(wd->slideshow, "elm,action,unfocus", "elm");
139 evas_object_focus_set(wd->slideshow, EINA_FALSE);
144 _mirrored_set(Evas_Object *obj, Eina_Bool rtl)
146 Widget_Data *wd = elm_widget_data_get(obj);
148 edje_object_mirrored_set(wd->slideshow, rtl);
152 _theme_hook(Evas_Object *obj)
154 Widget_Data *wd = elm_widget_data_get(obj);
156 _elm_widget_mirrored_reload(obj);
157 _mirrored_set(obj, elm_widget_mirrored_get(obj));
158 _elm_theme_object_set(obj, wd->slideshow, "slideshow", "base", elm_widget_style_get(obj));
159 edje_object_scale_set(wd->slideshow, elm_widget_scale_get(obj) *
165 _sizing_eval(Evas_Object *obj)
167 Widget_Data *wd = elm_widget_data_get(obj);
168 Evas_Coord minw = -1, minh = -1;
170 edje_object_size_min_calc(wd->slideshow, &minw, &minh);
171 evas_object_size_hint_min_set(obj, minw, minh);
172 evas_object_size_hint_max_set(obj, minw, minh);
176 static Elm_Slideshow_Item* _item_prev_get(Elm_Slideshow_Item* item)
178 Widget_Data *wd = elm_widget_data_get(WIDGET(item));
179 Elm_Slideshow_Item* prev = eina_list_data_get(eina_list_prev(item->l));
180 if ((!prev) && (wd->loop))
181 prev = eina_list_data_get(eina_list_last(item->l));
185 static Elm_Slideshow_Item* _item_next_get(Elm_Slideshow_Item* item)
187 Widget_Data *wd = elm_widget_data_get(WIDGET(item));
188 Elm_Slideshow_Item* next = eina_list_data_get(eina_list_next(item->l));
189 if ((!next) && (wd->loop))
190 next = eina_list_data_get(wd->items);
195 _changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
201 _sub_del(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
207 _item_realize(Elm_Slideshow_Item *item)
209 Elm_Slideshow_Item *_item_prev, *_item_next;
210 Evas_Object *obj = WIDGET(item);
211 Widget_Data *wd = elm_widget_data_get(obj);
215 if ((!VIEW(item)) && (item->itc->func.get))
217 VIEW(item) = item->itc->func.get((void*)item->base.data, obj);
218 evas_object_smart_member_add(VIEW(item), obj);
219 item->l_built = eina_list_append(NULL, item);
220 wd->items_built = eina_list_merge(wd->items_built, item->l_built);
221 evas_object_hide(VIEW(item));
223 else if (item->l_built)
224 wd->items_built = eina_list_demote_list(wd->items_built, item->l_built);
226 //pre-create previous and next item
227 ac = wd->count_item_pre_after;
229 bc = wd->count_item_pre_before;
231 lc = eina_list_count(wd->items) - 1;
232 while (lc > 0 && ((ac > 0) || (bc > 0)))
234 if (lc > 0 && ac > 0)
240 _item_next = _item_next_get(_item_next);
242 && (!VIEW(_item_next))
243 && (_item_next->itc->func.get))
246 _item_next->itc->func.get(
247 (void*)_item_next->base.data, obj);
248 evas_object_smart_member_add(VIEW(_item_next), obj);
249 _item_next->l_built = eina_list_append(NULL, _item_next);
250 wd->items_built = eina_list_merge(wd->items_built,
251 _item_next->l_built);
252 evas_object_hide(VIEW(_item_next));
254 else if (_item_next && _item_next->l_built)
256 eina_list_demote_list(wd->items_built,
257 _item_next->l_built);
261 if (lc > 0 && bc > 0)
267 _item_prev = _item_prev_get(_item_prev);
269 && (!VIEW(_item_prev))
270 && (_item_prev->itc->func.get))
273 _item_prev->itc->func.get(
274 (void*)_item_prev->base.data, obj);
275 evas_object_smart_member_add(VIEW(_item_prev), obj);
276 _item_prev->l_built = eina_list_append(NULL, _item_prev);
277 wd->items_built = eina_list_merge(wd->items_built,
278 _item_prev->l_built);
279 evas_object_hide(VIEW(_item_prev));
281 else if (_item_prev && _item_prev->l_built)
283 eina_list_demote_list(wd->items_built,
284 _item_prev->l_built);
289 //delete unused items
290 lc = wd->count_item_pre_before + wd->count_item_pre_after + 1;
291 while ((int)eina_list_count(wd->items_built) > lc)
293 item = eina_list_data_get(wd->items_built);
294 wd->items_built = eina_list_remove_list(wd->items_built,
296 if (item->itc->func.del)
297 item->itc->func.del((void*)item->base.data, VIEW(item));
298 evas_object_del(VIEW(item));
304 _end(void *data, Evas_Object *obj __UNUSED__, const char *emission, const char *source __UNUSED__)
306 Elm_Slideshow_Item *item;
307 Widget_Data *wd = elm_widget_data_get(data);
313 edje_object_part_unswallow(NULL, VIEW(item));
314 evas_object_hide(VIEW(item));
320 if ((!item) || (!VIEW(item))) return;
323 edje_object_part_unswallow(NULL, VIEW(item));
324 evas_object_show(VIEW(item));
326 edje_object_signal_emit(wd->slideshow, "anim,end", "slideshow");
327 edje_object_part_swallow(wd->slideshow, "elm.swallow.1", item->base.view);
328 if (emission != NULL)
329 evas_object_smart_callback_call(data, SIG_TRANSITION_END, wd->current);
333 _timer_cb(void *data)
335 Evas_Object *obj = data;
336 Widget_Data *wd = elm_widget_data_get(obj);
337 if (!wd) return ECORE_CALLBACK_CANCEL;
339 elm_slideshow_next(obj);
340 return ECORE_CALLBACK_CANCEL;
344 elm_slideshow_add(Evas_Object *parent)
350 ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
352 ELM_SET_WIDTYPE(widtype, "slideshow");
353 elm_widget_type_set(obj, "slideshow");
354 elm_widget_sub_object_add(parent, obj);
355 elm_widget_on_focus_hook_set(obj, _on_focus_hook, NULL);
356 elm_widget_data_set(obj, wd);
357 elm_widget_del_pre_hook_set(obj, _del_pre_hook);
358 elm_widget_del_hook_set(obj, _del_hook);
359 elm_widget_theme_hook_set(obj, _theme_hook);
360 elm_widget_can_focus_set(obj, EINA_TRUE);
361 elm_widget_event_hook_set(obj, _event_hook);
366 wd->slideshow = edje_object_add(e);
367 _elm_theme_object_set(obj, wd->slideshow, "slideshow", "base", "default");
368 evas_object_smart_member_add(wd->slideshow, obj);
369 wd->count_item_pre_before = 2;
370 wd->count_item_pre_after = 2;
371 elm_widget_resize_object_set(obj, wd->slideshow);
372 evas_object_show(wd->slideshow);
374 wd->transitions = elm_widget_stringlist_get(edje_object_data_get(wd->slideshow, "transitions"));
375 if (eina_list_count(wd->transitions) > 0)
376 wd->transition = eina_stringshare_add(eina_list_data_get(wd->transitions));
378 wd->layout.list = elm_widget_stringlist_get(edje_object_data_get(wd->slideshow, "layouts"));
379 if (eina_list_count(wd->layout.list) > 0)
380 wd->layout.current = eina_list_data_get(wd->layout.list);
382 edje_object_signal_callback_add(wd->slideshow, "end", "slideshow", _end, obj);
384 evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
385 evas_object_event_callback_add(obj, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _changed_size_hints, obj);
387 evas_object_smart_callbacks_descriptions_set(obj, _signals);
389 _mirrored_set(obj, elm_widget_mirrored_get(obj));
394 EAPI Elm_Slideshow_Item*
395 elm_slideshow_item_add(Evas_Object *obj, const Elm_Slideshow_Item_Class *itc, const void *data)
397 Elm_Slideshow_Item *item;
398 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
399 Widget_Data *wd = elm_widget_data_get(obj);
401 if (!wd) return NULL;
402 item = elm_widget_item_new(obj, Elm_Slideshow_Item);
403 item->base.data = data;
405 item->l = eina_list_append(item->l, item);
407 wd->items = eina_list_merge(wd->items, item->l);
409 if (!wd->current) elm_slideshow_show(item);
414 EAPI Elm_Slideshow_Item*
415 elm_slideshow_item_sorted_insert(Evas_Object *obj, const Elm_Slideshow_Item_Class *itc, const void *data, Eina_Compare_Cb func)
417 Elm_Slideshow_Item *item;
418 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
419 Widget_Data *wd = elm_widget_data_get(obj);
421 if (!wd) return NULL;
422 item = elm_widget_item_new(obj, Elm_Slideshow_Item);
423 item->base.data = data;
425 item->l = eina_list_append(item->l, item);
427 wd->items = eina_list_sorted_merge(wd->items, item->l, func);
429 if (!wd->current) elm_slideshow_show(item);
435 elm_slideshow_show(Elm_Slideshow_Item *item)
438 Elm_Slideshow_Item *next = NULL;
440 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(item);
441 wd = elm_widget_data_get(WIDGET(item));
444 if (item == wd->current)
448 _end(WIDGET(item), WIDGET(item), NULL, NULL);
450 if (wd->timer) ecore_timer_del(wd->timer);
451 if (wd->timeout > 0.0)
452 wd->timer = ecore_timer_add(wd->timeout, _timer_cb, WIDGET(item));
454 edje_object_part_swallow(wd->slideshow, "elm.swallow.2", VIEW(next));
455 evas_object_show(VIEW(next));
456 snprintf(buf, sizeof(buf), "%s,next", wd->transition);
457 edje_object_signal_emit(wd->slideshow, buf, "slideshow");
458 wd->previous = wd->current;
460 evas_object_smart_callback_call(WIDGET(item), SIG_CHANGED, wd->current);
464 elm_slideshow_next(Evas_Object *obj)
467 Elm_Slideshow_Item *next = NULL;
468 ELM_CHECK_WIDTYPE(obj, widtype);
469 Widget_Data *wd = elm_widget_data_get(obj);
474 next = _item_next_get(wd->current);
476 if ((!next) || (next == wd->current)) return;
478 _end(obj, obj, NULL, NULL);
480 if (wd->timer) ecore_timer_del(wd->timer);
481 if (wd->timeout > 0.0)
482 wd->timer = ecore_timer_add(wd->timeout, _timer_cb, obj);
486 edje_object_part_swallow(wd->slideshow, "elm.swallow.2", VIEW(next));
487 evas_object_show(VIEW(next));
489 snprintf(buf, sizeof(buf), "%s,next", wd->transition);
490 edje_object_signal_emit(wd->slideshow, buf, "slideshow");
492 wd->previous = wd->current;
494 evas_object_smart_callback_call(obj, SIG_CHANGED, wd->current);
498 elm_slideshow_previous(Evas_Object *obj)
501 Elm_Slideshow_Item *prev = NULL;
502 ELM_CHECK_WIDTYPE(obj, widtype);
503 Widget_Data *wd = elm_widget_data_get(obj);
508 prev = _item_prev_get(wd->current);
510 if ((!prev) || (prev == wd->current)) return;
512 _end(obj, obj, NULL, NULL);
514 if (wd->timer) ecore_timer_del(wd->timer);
515 if (wd->timeout > 0.0)
516 wd->timer = ecore_timer_add(wd->timeout, _timer_cb, obj);
520 edje_object_part_swallow(wd->slideshow, "elm.swallow.2", VIEW(prev));
521 evas_object_show(VIEW(prev));
523 snprintf(buf, 1024, "%s,previous", wd->transition);
524 edje_object_signal_emit(wd->slideshow, buf, "slideshow");
526 wd->previous = wd->current;
528 evas_object_smart_callback_call(obj, SIG_CHANGED, wd->current);
531 EAPI const Eina_List *
532 elm_slideshow_transitions_get(const Evas_Object *obj)
534 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
535 Widget_Data *wd = elm_widget_data_get(obj);
536 if (!wd) return NULL;
537 return wd->transitions;
540 EAPI const Eina_List *
541 elm_slideshow_layouts_get(const Evas_Object *obj)
543 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
544 Widget_Data *wd = elm_widget_data_get(obj);
545 if (!wd) return NULL;
546 return wd->layout.list;
550 elm_slideshow_transition_set(Evas_Object *obj, const char *transition)
552 ELM_CHECK_WIDTYPE(obj, widtype);
553 Widget_Data *wd = elm_widget_data_get(obj);
555 eina_stringshare_replace(&wd->transition, transition);
559 elm_slideshow_transition_get(const Evas_Object *obj)
561 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
562 Widget_Data *wd = elm_widget_data_get(obj);
563 if (!wd) return NULL;
564 return wd->transition;
568 elm_slideshow_timeout_set(Evas_Object *obj, double timeout)
570 ELM_CHECK_WIDTYPE(obj, widtype);
571 Widget_Data *wd = elm_widget_data_get(obj);
573 wd->timeout = timeout;
574 if (wd->timer) ecore_timer_del(wd->timer);
577 wd->timer = ecore_timer_add(timeout, _timer_cb, obj);
581 elm_slideshow_timeout_get(const Evas_Object *obj)
583 ELM_CHECK_WIDTYPE(obj, widtype) -1.0;
584 Widget_Data *wd = elm_widget_data_get(obj);
585 if (!wd) return -1.0;
590 elm_slideshow_loop_set(Evas_Object *obj, Eina_Bool loop)
592 ELM_CHECK_WIDTYPE(obj, widtype);
593 Widget_Data *wd = elm_widget_data_get(obj);
599 elm_slideshow_layout_get(const Evas_Object *obj)
601 ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
602 Widget_Data *wd = elm_widget_data_get(obj);
603 if (!wd) return EINA_FALSE;
604 return wd->layout.current;
608 elm_slideshow_layout_set(Evas_Object *obj, const char *layout)
611 ELM_CHECK_WIDTYPE(obj, widtype);
612 Widget_Data *wd = elm_widget_data_get(obj);
615 wd->layout.current = layout;
616 snprintf(buf, sizeof(buf), "layout,%s", layout);
617 edje_object_signal_emit(wd->slideshow, buf, "slideshow");
621 elm_slideshow_loop_get(const Evas_Object *obj)
623 ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
624 Widget_Data *wd = elm_widget_data_get(obj);
625 if (!wd) return EINA_FALSE;
630 elm_slideshow_clear(Evas_Object *obj)
632 Elm_Slideshow_Item *item;
633 ELM_CHECK_WIDTYPE(obj, widtype);
634 Widget_Data *wd = elm_widget_data_get(obj);
638 EINA_LIST_FREE(wd->items_built, item)
640 if (item->itc->func.del)
641 item->itc->func.del((void*)item->base.data, VIEW(item));
642 evas_object_del(VIEW(item));
646 EINA_LIST_FREE(wd->items, item)
648 elm_widget_item_del(item);
653 elm_slideshow_item_del(Elm_Slideshow_Item *item)
655 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(item);
656 Widget_Data *wd = elm_widget_data_get(WIDGET(item));
658 if (wd->previous == item) wd->previous = NULL;
659 if (wd->current == item)
661 Eina_List *l = eina_list_data_find_list(wd->items, item);
662 Eina_List *l2 = eina_list_next(l);
665 l2 = eina_list_nth_list(wd->items, eina_list_count(wd->items) - 1);
667 elm_slideshow_show(eina_list_data_get(l2));
670 wd->items = eina_list_remove_list(wd->items, item->l);
671 wd->items_built = eina_list_remove_list(wd->items_built, item->l_built);
673 if ((VIEW(item)) && (item->itc->func.del))
674 item->itc->func.del((void*)item->base.data, VIEW(item));
676 evas_object_del(VIEW(item));
680 EAPI const Eina_List *
681 elm_slideshow_items_get(const Evas_Object *obj)
683 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
684 Widget_Data *wd = elm_widget_data_get(obj);
685 if (!wd) return NULL;
689 EAPI Elm_Slideshow_Item *
690 elm_slideshow_item_current_get(const Evas_Object *obj)
692 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
693 Widget_Data *wd = elm_widget_data_get(obj);
694 if (!wd) return NULL;
699 elm_slideshow_item_object_get(const Elm_Slideshow_Item * item)
701 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(item, NULL);
706 elm_slideshow_item_data_get(const Elm_Slideshow_Item * item)
708 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(item, NULL);
709 return elm_widget_item_data_get(item);
713 elm_slideshow_cache_before_get(const Evas_Object *obj)
715 ELM_CHECK_WIDTYPE(obj, widtype) -1;
716 Widget_Data *wd = elm_widget_data_get(obj);
718 return wd->count_item_pre_before;
722 elm_slideshow_cache_before_set(Evas_Object *obj, int count)
724 ELM_CHECK_WIDTYPE(obj, widtype);
725 Widget_Data *wd = elm_widget_data_get(obj);
727 if (count < 0) count = 0;
728 wd->count_item_pre_before = count;
732 elm_slideshow_cache_after_get(const Evas_Object *obj)
734 ELM_CHECK_WIDTYPE(obj, widtype) -1;
735 Widget_Data *wd = elm_widget_data_get(obj);
737 return wd->count_item_pre_after;
741 elm_slideshow_cache_after_set(Evas_Object *obj, int count)
743 ELM_CHECK_WIDTYPE(obj, widtype);
744 Widget_Data *wd = elm_widget_data_get(obj);
746 if (count < 0) count = 0;
747 wd->count_item_pre_after = count;
750 EAPI Elm_Slideshow_Item *
751 elm_slideshow_item_nth_get(const Evas_Object *obj, unsigned int nth)
753 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
754 Widget_Data *wd = elm_widget_data_get(obj);
755 if (!wd) return NULL;
756 return eina_list_nth(wd->items, nth);
760 elm_slideshow_count_get(const Evas_Object *obj)
762 ELM_CHECK_WIDTYPE(obj, widtype) 0;
763 Widget_Data *wd = elm_widget_data_get(obj);
765 return eina_list_count(wd->items);