common/dialogue.c

   1 /*
   2   *
   3   *  Copyright 2012  Samsung Electronics Co., Ltd
   4   *
   5   *  Licensed under the Flora License, Version 1.0 (the "License");
   6   *  you may not use this file except in compliance with the License.
   7   *  You may obtain a copy of the License at
   8   *
   9   *       http://floralicense.org/license/
  10   *
  11   *  Unless required by applicable law or agreed to in writing, software
  12   *  distributed under the License is distributed on an "AS IS" BASIS,
  13   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14   *  See the License for the specific language governing permissions and
  15   *  limitations under the License.
  16   */
  17
  18 #include "cld.h"
  19 #include "dialogue.h"
  20
  21 #define CAL_DIALOGUE_CUSTOM_EDJ "/usr/apps/"CALENDAR_PACKAGE"/res/edje/dialogue.edj"
  22 #define CAL_DIALOGUE_UNPACKED_ITEM_LIST "unpacked_item_list"
  23
  24 typedef struct {
  25         Evas_Object *item;
  26         cal_dialogue_item_clicked_callback callback_func;
  27         void *callback_data;
  28 } __cal_dialogue_item_callback_s;
  29
  30 static void __cal_dialogue_box_delete_callback(void *data, Evas *e, Evas_Object *obj, void *ei)
  31 {
  32         c_ret_if(!obj);
  33
  34         Eina_List *unpacked_item_list = NULL;
  35         Eina_List *cursor = NULL;
  36         Evas_Object *unpacked_item = NULL;
  37
  38         unpacked_item_list = evas_object_data_get(obj, CAL_DIALOGUE_UNPACKED_ITEM_LIST);
  39
  40         if (!unpacked_item_list)
  41                 return;
  42
  43         EINA_LIST_FOREACH(unpacked_item_list, cursor, unpacked_item) {
  44                 if (unpacked_item)
  45                         evas_object_del(unpacked_item);
  46         }
  47 }
  48
  49 Evas_Object * cal_dialogue_create(Evas_Object *parent)
  50 {
  51         c_retv_if(!parent, NULL);
  52
  53         Evas_Object *scroller = cal_util_add_scroller(parent);
  54         c_retv_if(!scroller, NULL);
  55
  56         elm_object_style_set(scroller, "dialogue");
  57
  58         Evas_Object *box = elm_box_add(scroller);
  59         if (!box) {
  60                 ERR("elm_box_add(scroller) is failed");
  61                 evas_object_del(scroller);
  62                 return NULL;
  63         }
  64
  65         evas_object_size_hint_weight_set(box, EVAS_HINT_EXPAND, 0.0);
  66         evas_object_size_hint_align_set(box, EVAS_HINT_FILL, 0.0);
  67
  68         elm_object_content_set(scroller, box);
  69
  70         evas_object_show(box);
  71
  72         evas_object_event_callback_add(box, EVAS_CALLBACK_DEL, __cal_dialogue_box_delete_callback, NULL);
  73
  74         return scroller;
  75 }
  76
  77 void cal_dialogue_destroy(Evas_Object * dialogue)
  78 {
  79         c_ret_if(!dialogue);
  80
  81         evas_object_del(dialogue);
  82 }
  83
  84 Evas_Object * cal_dialogue_get_box(Evas_Object *dialogue)
  85 {
  86         c_retv_if(!dialogue, NULL);
  87
  88         Evas_Object *box = elm_object_content_get(dialogue);
  89
  90         return box;
  91 }
  92
  93 static void __cal_dialogue_item_clicked_callback(void *data, Evas *evas, Evas_Object *obj, void *event_info)
  94 {
  95         Evas_Event_Mouse_Up *ev = (Evas_Event_Mouse_Up *)event_info;
  96
  97         __cal_dialogue_item_callback_s *callback = data;
  98         c_ret_if(!callback);
  99
 100         Evas_Object *item = callback->item;
 101
 102         elm_object_signal_emit(item, "elm,state,unselected", "elm");
 103         elm_object_focus_set(obj, EINA_TRUE);
 104
 105         if (ev && ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD)
 106                 return;
 107
 108         callback->callback_func(item, callback->callback_data);
 109 }
 110
 111 static void __cal_dialogue_item_move_callback(void *data, Evas *evas, Evas_Object *obj, void *event_info)
 112 {
 113         Evas_Event_Mouse_Move *ev = (Evas_Event_Mouse_Move *)event_info;
 114
 115         __cal_dialogue_item_callback_s *callback = data;
 116         c_ret_if(!callback);
 117
 118         Evas_Object *item = callback->item;
 119
 120         if (ev && ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) {
 121                 elm_object_signal_emit(item, "elm,state,unselected", "elm");
 122                 return;
 123         }
 124 }
 125
 126 static void __cal_dialogue_item_down_callback(void *data, Evas *evas, Evas_Object *obj, void *event_info)
 127 {
 128         __cal_dialogue_item_callback_s *callback = data;
 129
 130         Evas_Object *item = callback->item;
 131         c_ret_if(!callback);
 132
 133         elm_object_signal_emit(item, "elm,state,selected", "elm");
 134 }
 135
 136 static void __cal_dialogue_item_delete_callback(void *data, Evas *e, Evas_Object *obj, void *ei)
 137 {
 138         __cal_dialogue_item_callback_s *callback = data;
 139
 140         if (callback)
 141                 free(callback);
 142 }
 143
 144 static Evas_Object * __cal_dialogue_create_item(Evas_Object *box, const char *style, cal_dialogue_item_clicked_callback callback_func, void *callback_data)
 145 {
 146         Evas_Object *layout = NULL;
 147
 148         layout = elm_layout_add(box);
 149         c_retv_if(!layout, NULL);
 150
 151         Eina_Bool ret = elm_layout_theme_set(layout, "layout", "dialogue", style);
 152         if (ret != EINA_TRUE) {
 153                 ret = elm_layout_file_set(layout, CAL_DIALOGUE_CUSTOM_EDJ, style);
 154                 if (ret != EINA_TRUE) {
 155                         ERR("elm_layout_theme_set(%s) is failed.", style);
 156                         evas_object_del(layout);
 157                         return NULL;
 158                 }
 159         }
 160
 161         evas_object_size_hint_weight_set(layout, EVAS_HINT_EXPAND, 0.0);
 162         evas_object_size_hint_align_set(layout, EVAS_HINT_FILL, 0.0);
 163
 164         if (callback_func) {
 165                 __cal_dialogue_item_callback_s *callback = calloc(1, sizeof(__cal_dialogue_item_callback_s));
 166
 167                 callback->item = layout;
 168                 callback->callback_func = callback_func;
 169                 callback->callback_data = callback_data;
 170
 171                 evas_object_event_callback_add(layout, EVAS_CALLBACK_MOUSE_UP, __cal_dialogue_item_clicked_callback, callback);
 172                 evas_object_event_callback_add(layout, EVAS_CALLBACK_MOUSE_DOWN, __cal_dialogue_item_down_callback, callback);
 173                 evas_object_event_callback_add(layout, EVAS_CALLBACK_MOUSE_MOVE, __cal_dialogue_item_move_callback, callback);
 174                 evas_object_event_callback_add(layout, EVAS_CALLBACK_DEL, __cal_dialogue_item_delete_callback, callback);
 175         }
 176
 177         return layout;
 178 }
 179
 180 Evas_Object * cal_dialogue_append_item(Evas_Object *box, const char *style, cal_dialogue_item_clicked_callback callback_func, void *callback_data)
 181 {
 182         c_retv_if(!box, NULL);
 183         c_retv_if(!CAL_STRLEN(style), NULL);
 184
 185         Evas_Object *item = __cal_dialogue_create_item(box, style, callback_func, callback_data);
 186         c_retv_if(!item, NULL);
 187
 188         elm_box_pack_end(box, item);
 189         evas_object_show(item);
 190
 191         return item;
 192 }
 193
 194 Evas_Object * cal_dialogue_insert_item_after(Evas_Object *box, const char *style, Evas_Object *after, cal_dialogue_item_clicked_callback callback_func, void *callback_data)
 195 {
 196         c_retv_if(!box, NULL);
 197         c_retv_if(!CAL_STRLEN(style), NULL);
 198         c_retv_if(!after, NULL);
 199
 200         Evas_Object *item = __cal_dialogue_create_item(box, style, callback_func, callback_data);
 201         c_retv_if(!item, NULL);
 202
 203         elm_box_pack_after(box, item, after);
 204         evas_object_show(item);
 205
 206         return item;
 207 }
 208
 209 Evas_Object * cal_dialogue_insert_item_before(Evas_Object *box, const char *style, Evas_Object *before, cal_dialogue_item_clicked_callback callback_func, void *callback_data)
 210 {
 211         c_retv_if(!box, NULL);
 212         c_retv_if(!CAL_STRLEN(style), NULL);
 213         c_retv_if(!before, NULL);
 214
 215         Evas_Object *item = __cal_dialogue_create_item(box, style, callback_func, callback_data);
 216         c_retv_if(!item, NULL);
 217
 218         elm_box_pack_before(box, item, before);
 219         evas_object_show(item);
 220
 221         return item;
 222 }
 223
 224 void cal_dialogue_delete_item(Evas_Object *box, Evas_Object *item)
 225 {
 226         c_ret_if(!box);
 227         c_ret_if(!item);
 228
 229         elm_box_unpack(box, item);
 230         evas_object_del(item);
 231
 232         Eina_List *unpacked_item_list = NULL;
 233
 234         unpacked_item_list = evas_object_data_get(box, CAL_DIALOGUE_UNPACKED_ITEM_LIST);
 235
 236         if (unpacked_item_list)
 237                 eina_list_remove(unpacked_item_list, item);
 238 }
 239
 240 void cal_dialogue_delete_all_items(Evas_Object *dialogue)
 241 {
 242         c_ret_if(!dialogue);
 243
 244         Evas_Object *box = cal_dialogue_get_box(dialogue);
 245         c_ret_if(!box);
 246
 247         elm_box_clear(box);
 248
 249         Eina_List *unpacked_item_list = NULL;
 250
 251         unpacked_item_list = evas_object_data_get(box, CAL_DIALOGUE_UNPACKED_ITEM_LIST);
 252
 253         if (unpacked_item_list) {
 254                 unpacked_item_list = eina_list_free(unpacked_item_list);
 255                 evas_object_data_set(box, CAL_DIALOGUE_UNPACKED_ITEM_LIST, unpacked_item_list);
 256         }
 257 }
 258
 259 static Eina_Bool __cal_dialogue_check_item_is_already_added(Evas_Object *box, Evas_Object *item)
 260 {
 261         Eina_Bool ret = EINA_FALSE;
 262
 263         c_retv_if(!box, ret);
 264         c_retv_if(!item, ret);
 265
 266         Eina_List *children = NULL;
 267
 268         children = elm_box_children_get(box);
 269         c_retv_if(!children, ret);
 270
 271         Eina_List *cursor = NULL;
 272         Evas_Object *data = NULL;
 273
 274         EINA_LIST_FOREACH(children, cursor, data) {
 275                 if (data && data == item) {
 276                         ret = EINA_TRUE;
 277                         break;
 278                 }
 279         }
 280
 281         eina_list_free(children);
 282
 283         return ret;
 284 }
 285
 286 void cal_dialogue_show_item_before(Evas_Object *box, Evas_Object *item, Evas_Object *before)
 287 {
 288         c_ret_if(!box);
 289         c_ret_if(!item);
 290
 291         if (__cal_dialogue_check_item_is_already_added(box, item))
 292                 return;
 293
 294         c_ret_if(!before);
 295
 296         elm_box_pack_before(box, item, before);
 297         evas_object_show(item);
 298 }
 299
 300 void cal_dialogue_show_item_after(Evas_Object *box, Evas_Object *item, Evas_Object *after)
 301 {
 302         c_ret_if(!box);
 303         c_ret_if(!item);
 304
 305         if (__cal_dialogue_check_item_is_already_added(box, item))
 306                 return;
 307
 308         c_ret_if(!after);
 309
 310         elm_box_pack_after(box, item, after);
 311         evas_object_show(item);
 312 }
 313
 314 void cal_dialogue_hide_item(Evas_Object *box, Evas_Object *item)
 315 {
 316         c_ret_if(!box);
 317         c_ret_if(!item);
 318
 319         elm_box_unpack(box, item);
 320         evas_object_hide(item);
 321
 322         Eina_List *unpacked_item_list = NULL;
 323
 324         unpacked_item_list = evas_object_data_get(box, CAL_DIALOGUE_UNPACKED_ITEM_LIST);
 325
 326         unpacked_item_list = eina_list_append(unpacked_item_list, item);
 327
 328         if (!evas_object_data_get(box, CAL_DIALOGUE_UNPACKED_ITEM_LIST))
 329                 evas_object_data_set(box, CAL_DIALOGUE_UNPACKED_ITEM_LIST, unpacked_item_list);
 330 }