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path: root/src/bin/elementary/test_efl_anim_alpha.c
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#ifdef HAVE_CONFIG_H
# include "elementary_config.h"
#endif
#include <Elementary.h>

typedef struct _App_Data
{
   Efl_Animation        *show_anim;
   Efl_Animation        *hide_anim;
   Efl_Animation_Player *anim_obj;

   Eina_Bool             is_btn_visible;
} App_Data;

static void
_anim_started_cb(void *data EINA_UNUSED, const Efl_Event *event EINA_UNUSED)
{
   printf("Animation has been started!\n");
}

static void
_anim_ended_cb(void *data EINA_UNUSED, const Efl_Event *event EINA_UNUSED)
{
   printf("Animation has been ended!\n");
}

static void
_anim_running_cb(void *data EINA_UNUSED, const Efl_Event *event)
{
   Efl_Animation_Player_Running_Event_Info *event_info = event->info;
   double progress = event_info->progress;
   printf("Animation is running! Current progress(%lf)\n", progress);
}

static void
_btn_clicked_cb(void *data, Evas_Object *obj, void *event_info EINA_UNUSED)
{
   App_Data *ad = data;

   ad->is_btn_visible = !(ad->is_btn_visible);

   if (ad->is_btn_visible)
     {
        //Create Animation Object from Animation
        efl_animation_player_animation_set(ad->anim_obj, ad->show_anim);
        efl_text_set(obj, "Start Alpha Animation from 1.0 to 0.0");
     }
   else
     {
        //Create Animation Object from Animation
        efl_animation_player_animation_set(ad->anim_obj, ad->hide_anim);
        efl_text_set(obj, "Start Alpha Animation from 0.0 to 1.0");
     }

   //Let Animation Object start animation
   efl_player_start(ad->anim_obj);
}

static void
_win_del_cb(void *data, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
   App_Data *ad = data;
   free(ad);
}

void
test_efl_anim_alpha(void *data EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
   App_Data *ad = calloc(1, sizeof(App_Data));
   if (!ad) return;

   Evas_Object *win = elm_win_add(NULL, "Efl Animation Alpha", ELM_WIN_BASIC);
   elm_win_title_set(win, "Efl Animation Alpha");
   elm_win_autodel_set(win, EINA_TRUE);
   evas_object_smart_callback_add(win, "delete,request", _win_del_cb, ad);

   //Button to be animated
   Evas_Object *btn = elm_button_add(win);
   elm_object_text_set(btn, "Button");
   evas_object_size_hint_weight_set(btn, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
   evas_object_resize(btn, 200, 200);
   evas_object_move(btn, 100, 50);
   evas_object_show(btn);

   //Show Animation
   Efl_Animation *show_anim = efl_add(EFL_ANIMATION_ALPHA_CLASS, NULL);
   efl_animation_alpha_set(show_anim, 0.0, 1.0);
   efl_animation_duration_set(show_anim, 1.0);
   efl_animation_final_state_keep_set(show_anim, EINA_TRUE);

   //Hide Animation
   Efl_Animation *hide_anim = efl_add(EFL_ANIMATION_ALPHA_CLASS, NULL);
   efl_animation_alpha_set(hide_anim, 1.0, 0.0);
   efl_animation_duration_set(hide_anim, 1.0);
   efl_animation_final_state_keep_set(hide_anim, EINA_TRUE);

   //Initialize App Data
   ad->show_anim = show_anim;
   ad->hide_anim = hide_anim;
   ad->anim_obj = efl_add(EFL_ANIMATION_PLAYER_CLASS, win,
                          efl_animation_player_target_set(efl_added, btn));

   //Register callback called when animation starts
   efl_event_callback_add(ad->anim_obj, EFL_ANIMATION_PLAYER_EVENT_STARTED, _anim_started_cb, NULL);
   //Register callback called when animation ends
   efl_event_callback_add(ad->anim_obj, EFL_ANIMATION_PLAYER_EVENT_ENDED, _anim_ended_cb, ad);
   //Register callback called while animation is executed
   efl_event_callback_add(ad->anim_obj, EFL_ANIMATION_PLAYER_EVENT_RUNNING, _anim_running_cb, NULL);
   ad->is_btn_visible = EINA_TRUE;

   //Button to start animation
   Evas_Object *btn2 = elm_button_add(win);
   elm_object_text_set(btn2, "Start Alpha Animation from 1.0 to 0.0");
   evas_object_smart_callback_add(btn2, "clicked", _btn_clicked_cb, ad);
   evas_object_size_hint_weight_set(btn2, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
   evas_object_resize(btn2, 200, 50);
   evas_object_move(btn2, 100, 300);
   evas_object_show(btn2);

   evas_object_resize(win, 400, 400);
   evas_object_show(win);
}