1 #include "e_efx_private.h"
2
3 typedef struct E_Efx_Rotate_Data
4 {
5 E_EFX *e;
6 Ecore_Animator *anim;
7 E_Efx_Effect_Speed speed;
8 double start_degrees;
9 double degrees;
10 E_Efx_End_Cb cb;
11 void *data;
12 } E_Efx_Rotate_Data;
13
14 static void
_obj_del(E_Efx_Rotate_Data * erd,Evas * e EINA_UNUSED,Evas_Object * obj EINA_UNUSED,void * event_info EINA_UNUSED)15 _obj_del(E_Efx_Rotate_Data *erd, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
16 {
17 if (erd->anim) ecore_animator_del(erd->anim);
18 erd->e->rotate_data = NULL;
19 if ((!erd->e->owner) && (!erd->e->followers)) e_efx_free(erd->e);
20 free(erd);
21 }
22
23 static Eina_Bool
_rotate_cb(E_Efx_Rotate_Data * erd,double pos)24 _rotate_cb(E_Efx_Rotate_Data *erd, double pos)
25 {
26 double degrees;
27 Eina_List *l;
28 E_EFX *e;
29
30 degrees = ecore_animator_pos_map(pos, (Ecore_Pos_Map)erd->speed, 0, 0);
31 erd->e->map_data.rotation = degrees * erd->degrees + erd->start_degrees;
32 //DBG("erd->e->map_data.rotation=%g,erd->degrees=%g,erd->start_degrees=%g", erd->e->map_data.rotation, erd->degrees, erd->start_degrees);
33 e_efx_maps_apply(erd->e, erd->e->obj, NULL, E_EFX_MAPS_APPLY_ALL);
34 EINA_LIST_FOREACH(erd->e->followers, l, e)
35 e_efx_maps_apply(e, e->obj, NULL, E_EFX_MAPS_APPLY_ALL);
36
37 if (pos < 1.0) return EINA_TRUE;
38
39 erd->anim = NULL;
40 E_EFX_QUEUE_CHECK(erd);
41 return EINA_TRUE;
42 }
43
44 static void
_rotate_stop(Evas_Object * obj,Eina_Bool reset)45 _rotate_stop(Evas_Object *obj, Eina_Bool reset)
46 {
47 E_EFX *e;
48 E_Efx_Rotate_Data *erd;
49
50 e = evas_object_data_get(obj, "e_efx-data");
51 if ((!e) || (!e->rotate_data)) return;
52 erd = e->rotate_data;
53 if (reset)
54 {
55 erd->start_degrees = 0;
56 _rotate_cb(erd, 0);
57 evas_object_event_callback_del_full(obj, EVAS_CALLBACK_FREE, (Evas_Object_Event_Cb)_obj_del, erd);
58 erd->e->map_data.rotation = 0;
59 if (e_efx_queue_complete(erd->e, erd))
60 e_efx_queue_process(erd->e);
61 _obj_del(erd, NULL, NULL, NULL);
62 INF("reset rotating object %p", obj);
63 }
64 else
65 {
66 if (erd->anim) ecore_animator_del(erd->anim);
67 erd->anim = NULL;
68 INF("stopped rotating object %p", obj);
69 if (e_efx_queue_complete(erd->e, erd))
70 e_efx_queue_process(erd->e);
71 }
72 }
73
74 void
_e_efx_rotate_calc(void * data,void * owner,Evas_Object * obj,Evas_Map * map)75 _e_efx_rotate_calc(void *data, void *owner, Evas_Object *obj, Evas_Map *map)
76 {
77 E_Efx_Rotate_Data *erd = data;
78 E_Efx_Rotate_Data *erd2 = owner;
79 e_efx_rotate_helper(erd2 ? erd2->e : (erd ? erd->e : NULL), obj, map, (erd ? erd->e->map_data.rotation : 0) + (erd2 ? erd2->e->map_data.rotation : 0));
80 }
81
82 EAPI Eina_Bool
e_efx_rotate(Evas_Object * obj,E_Efx_Effect_Speed speed,double degrees,const Evas_Point * center,double total_time,E_Efx_End_Cb cb,const void * data)83 e_efx_rotate(Evas_Object *obj, E_Efx_Effect_Speed speed, double degrees, const Evas_Point *center, double total_time, E_Efx_End_Cb cb, const void *data)
84 {
85 E_EFX *e;
86 E_Efx_Rotate_Data *erd;
87
88 EINA_SAFETY_ON_NULL_RETURN_VAL(obj, EINA_FALSE);
89 if (eina_dbl_exact(degrees, 0)) return EINA_FALSE;
90 if (total_time < 0.0) return EINA_FALSE;
91 if (speed > E_EFX_EFFECT_SPEED_SINUSOIDAL) return EINA_FALSE;
92 /* can't rotate a spinning object, so we stop it first */
93 e = evas_object_data_get(obj, "e_efx-data");
94 if (e)
95 {
96 if (e->spin_data) e_efx_spin_stop(obj);
97 if (e->rotate_data)
98 {
99 erd = e->rotate_data;
100 if (erd->anim) e_efx_rotate_stop(obj);
101 }
102 }
103 else
104 {
105 e = e_efx_new(obj);
106 EINA_SAFETY_ON_NULL_RETURN_VAL(e, EINA_FALSE);
107 }
108
109 if (!e_efx_rotate_center_init(e, center)) return EINA_FALSE;
110 INF("rotate: %p - %g degrees over %gs: %s", obj, degrees, total_time, e_efx_speed_str[speed]);
111 if (!e->rotate_data)
112 {
113 e->rotate_data = calloc(1, sizeof(E_Efx_Rotate_Data));
114 EINA_SAFETY_ON_NULL_RETURN_VAL(e->rotate_data, EINA_FALSE);
115 evas_object_event_callback_add(obj, EVAS_CALLBACK_FREE, (Evas_Object_Event_Cb)_obj_del, e->rotate_data);
116 }
117 erd = e->rotate_data;
118 erd->e = e;
119 erd->speed = speed;
120 erd->degrees = degrees;
121 erd->start_degrees = e->map_data.rotation;
122 erd->cb = cb;
123 erd->data = (void*)data;
124 if (eina_dbl_exact(total_time, 0))
125 {
126 e->map_data.rotation += degrees;
127 _rotate_cb(erd, 1.0);
128 return EINA_TRUE;
129 }
130 if (erd->anim) ecore_animator_del(erd->anim);
131 erd->anim = ecore_animator_timeline_add(total_time, (Ecore_Timeline_Cb)_rotate_cb, erd);
132 return EINA_TRUE;
133 }
134
135 EAPI void
e_efx_rotate_reset(Evas_Object * obj)136 e_efx_rotate_reset(Evas_Object *obj)
137 {
138 _rotate_stop(obj, EINA_TRUE);
139 }
140
141 EAPI void
e_efx_rotate_stop(Evas_Object * obj)142 e_efx_rotate_stop(Evas_Object *obj)
143 {
144 _rotate_stop(obj, EINA_FALSE);
145 }
146