src/cam_ui_effect_utils.c

   1 /*\r
   2  * Copyright 2012  Samsung Electronics Co., Ltd\r
   3  *\r
   4  * Licensed under the Flora License, Version 1.1 (the "License");\r
   5  * you may not use this file except in compliance with the License.\r
   6  * You may obtain a copy of the License at\r
   7  *\r
   8  *        http://floralicense.org/license/\r
   9  *\r
  10  * Unless required by applicable law or agreed to in writing, software\r
  11  * distributed under the License is distributed on an "AS IS" BASIS,\r
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  13  * See the License for the specific language governing permissions and\r
  14  * limitations under the License.\r
  15  */\r
  16 \r
  17 \r
  18 #include "cam_ui_effect_utils.h"\r
  19 static gboolean __focus_zoom_origin_state = TRUE;\r
  20 static Elm_Transit *zoom_transit_effect = NULL;\r
  21 \r
  22 gboolean cam_ui_effect_utils_get_zoom_state()\r
  23 {\r
  24         return __focus_zoom_origin_state;\r
  25 }\r
  26 \r
  27 static void __zoom_effect_transit_del_cb(void *data, Elm_Transit *transit)\r
  28 {\r
  29         DEBUG_TRACE("TODO: set default transit callback process");\r
  30         zoom_transit_effect = NULL;\r
  31 }\r
  32 \r
  33 /*\r
  34 *       note: it is for cam_ui_effect_utils_set_zoom_effect\r
  35 *       and now: there will be always  one zoom effect running for\r
  36 *       cam_ui_effect_utils_set_zoom_effect at same time.\r
  37 */\r
  38 \r
  39 Elm_Transit * cam_ui_effect_utils_get_zoom_effect()\r
  40 {\r
  41         return zoom_transit_effect;\r
  42 }\r
  43 \r
  44 void cam_ui_effect_utils_stop_zoom_effect()\r
  45 {\r
  46         if (zoom_transit_effect) {\r
  47                 elm_transit_del(zoom_transit_effect);\r
  48                 zoom_transit_effect = NULL;\r
  49         }\r
  50 }\r
  51 \r
  52 void cam_ui_effect_utils_set_zoom_effect(Evas_Object *obj, float from_rate, float to_rate, double duration)\r
  53 {\r
  54         Evas_Object *layout =  obj;\r
  55 \r
  56         if (layout == NULL)\r
  57                 return;\r
  58         /*Zoom in/out to scale to_rate/from_rate.*/\r
  59         if (zoom_transit_effect) {\r
  60                 elm_transit_del(zoom_transit_effect);\r
  61                 zoom_transit_effect = NULL;\r
  62         }\r
  63         zoom_transit_effect = elm_transit_add();\r
  64         if (zoom_transit_effect == NULL)\r
  65                 return;\r
  66         if (to_rate < from_rate)\r
  67                 __focus_zoom_origin_state = TRUE;\r
  68         else\r
  69                 __focus_zoom_origin_state = FALSE;\r
  70         elm_transit_object_add(zoom_transit_effect, layout);\r
  71         elm_transit_effect_zoom_add(zoom_transit_effect, from_rate, to_rate);\r
  72         elm_transit_duration_set(zoom_transit_effect, duration);\r
  73         elm_transit_objects_final_state_keep_set(zoom_transit_effect, EINA_TRUE);\r
  74         elm_transit_del_cb_set(zoom_transit_effect, __zoom_effect_transit_del_cb, NULL);\r
  75         elm_transit_go(zoom_transit_effect);\r
  76 \r
  77 }\r
  78 \r
  79 void cam_ui_effect_utils_set_zoom_inout_effect(Evas_Object *obj, float from_rate, float to_rate, double duration)\r
  80 {\r
  81         Evas_Object *layout =  obj;\r
  82 \r
  83         if (layout == NULL)\r
  84                 return;\r
  85         /*Zoom out to scale */\r
  86         Elm_Transit *transit = elm_transit_add();\r
  87         elm_transit_object_add(transit, layout);\r
  88         elm_transit_effect_zoom_add(transit, from_rate, to_rate);\r
  89         elm_transit_duration_set(transit, duration);\r
  90 \r
  91         /*Zoom in to be original size.*/\r
  92         Elm_Transit *transit2 = elm_transit_add();\r
  93         elm_transit_object_add(transit2, layout);\r
  94         elm_transit_effect_zoom_add(transit2, to_rate, from_rate);\r
  95         elm_transit_duration_set(transit2, duration);\r
  96 \r
  97         elm_transit_chain_transit_add(transit, transit2);\r
  98         elm_transit_go(transit);\r
  99 \r
 100 }\r
 101 \r
 102 \r
 103 /*for thumnail animation start*/\r
 104 /*note: init custom effect memory*/\r
 105 static Elm_Transit_Effect * __cam_ui_effect_custom_context_new(Evas_Coord from_w,\r
 106                                                                         Evas_Coord from_h,\r
 107                                                                         Evas_Coord to_w,\r
 108                                                                         Evas_Coord to_h\r
 109                                                                         )\r
 110 {\r
 111         struct cam_ui_effect_custom_effect *custom_effect = calloc( 1, sizeof( struct cam_ui_effect_custom_effect ) );\r
 112         if (!custom_effect) return NULL;\r
 113 \r
 114         custom_effect->from.w = from_w;\r
 115         custom_effect->from.h = from_h;\r
 116         custom_effect->to.w = to_w - from_w;\r
 117         custom_effect->to.h = to_h - from_h;\r
 118         return custom_effect;\r
 119 }\r
 120 \r
 121 /*note: free custom effect memory*/\r
 122 static void __cam_ui_effect_custom_context_free(Elm_Transit_Effect *effect, Elm_Transit *transit)\r
 123 {\r
 124         struct cam_ui_effect_custom_effect *custom_effect = effect;\r
 125         free(custom_effect);\r
 126         custom_effect = NULL;\r
 127 }\r
 128 \r
 129 /*note: implement the effect solution, you could write new effect, by change these function*/\r
 130 static void __cam_ui_effect_custom_op(Elm_Transit_Effect *effect, Elm_Transit *transit, double progress)\r
 131 {\r
 132         if (!effect) return;\r
 133 \r
 134         Evas_Coord w, h;\r
 135         Evas_Object *obj;\r
 136         const Eina_List *elist;\r
 137 \r
 138         struct cam_ui_effect_custom_effect *custom_effect = (struct cam_ui_effect_custom_effect *) effect;\r
 139         const Eina_List *objs = elm_transit_objects_get(transit);\r
 140 \r
 141         if (progress < 0.5) {\r
 142                 h = custom_effect->from.h + (custom_effect->to.h * progress * 2);\r
 143                 w = custom_effect->from.w;\r
 144         } else {\r
 145                 h = custom_effect->from.h + custom_effect->to.h;\r
 146                 w = custom_effect->from.w + (custom_effect->to.w * (progress - 0.5) * 2);\r
 147         }\r
 148         EINA_LIST_FOREACH(objs, elist, obj) {\r
 149                 if (obj) {\r
 150                         evas_object_resize(obj, w, h);\r
 151                 }\r
 152         }\r
 153 \r
 154 }\r
 155 \r
 156 /*note: when transit effect end, before transit del, this fuction will be called*/\r
 157 static void __cam_ui_effect_utils_transit_del_cb(void *data, Elm_Transit *transit)\r
 158 {\r
 159         Evas_Object *obj = (Evas_Object *)data;\r
 160         DEBUG_TRACE("");\r
 161         if (obj) {\r
 162                 DEBUG_TRACE("");\r
 163                 struct appdata *ad = (struct appdata *)cam_appdata_get();\r
 164                 if (!ad)\r
 165                         return;\r
 166                 if (!ad->toolbar.quickview_item.edje) {\r
 167                         DEL_EVAS_OBJECT(ad->toolbar.quickview_item.thumbnail_image);\r
 168                         DEL_EVAS_OBJECT(obj);\r
 169                         return;\r
 170                 }\r
 171                 DEL_EVAS_OBJECT(ad->toolbar.quickview_item.thumbnail_image);\r
 172                 ad->toolbar.quickview_item.thumbnail_image = obj;\r
 173                 elm_object_part_content_set(ad->toolbar.quickview_item.edje,\r
 174                                         "thumbnail", ad->toolbar.quickview_item.thumbnail_image);\r
 175         }\r
 176 }\r
 177 \r
 178 void cam_ui_effect_utils_set_thumbnail_effect(Evas_Object *obj,\r
 179                                                                 Evas_Coord x,\r
 180                                                                 Evas_Coord y,\r
 181                                                                 Evas_Coord w,\r
 182                                                                 Evas_Coord h,\r
 183                                                                 double duration)\r
 184 {\r
 185         Evas_Object *layout = obj;\r
 186         Elm_Transit_Effect *effect_context = __cam_ui_effect_custom_context_new(0, h, w, h);\r
 187 \r
 188         Elm_Transit *transit = elm_transit_add();\r
 189         elm_transit_object_add(transit, layout);\r
 190         elm_transit_tween_mode_set(transit, ELM_TRANSIT_TWEEN_MODE_LINEAR);\r
 191         elm_transit_effect_add(transit, __cam_ui_effect_custom_op, effect_context, __cam_ui_effect_custom_context_free);\r
 192 \r
 193         elm_transit_objects_final_state_keep_set(transit,  TRUE);\r
 194         elm_transit_duration_set(transit, duration);\r
 195         elm_transit_del_cb_set(transit, __cam_ui_effect_utils_transit_del_cb, (void *)obj);\r
 196         elm_transit_go(transit);\r
 197 }\r
 198 /*for thumbnail antimation end*/\r
 199 //end file\r