setting-display/src/setting-display-brightness.c

   1 /*
   2  * setting
   3  *
   4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd.
   5  *
   6  * Contact: MyoungJune Park <mj2004.park@samsung.com>
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  * http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  *
  20  */
  21
  22 #include <setting-display-brightness.h>
  23 #define DISABLE_LOW_BATERY_CHANGE 0 //disable user to set the brightness when the Mobile is low battery.
  24
  25 #define Left_Bright_Icon IMG_BRIGTHNESS_LEFT
  26 #define Right_Bright_Icon IMG_BRIGHTNESS_RIGHT
  27 #define SUPPORT_DISPLAY_HOMESCREEN_IMAGE 0
  28
  29 static int setting_display_brightness_create(void *cb);
  30 static int setting_display_brightness_destroy(void *cb);
  31 static int setting_display_brightness_update(void *cb);
  32 static int setting_display_brightness_cleanup(void *cb);
  33
  34 static void setting_display_set_slider_value(void* data, Evas_Object *obj, double value);
  35
  36 setting_view setting_view_display_brightness = {
  37         .create = setting_display_brightness_create,
  38         .destroy = setting_display_brightness_destroy,
  39         .update = setting_display_brightness_update,
  40         .cleanup = setting_display_brightness_cleanup,
  41 };
  42
  43 static void __toggle_automatic_chk(void* data, int chk_status);
  44
  45 /* ***************************************************
  46  *
  47  *basic func
  48  *
  49  ***************************************************/
  50 #define LOW_BATTERY_NOTIFY "Battery is too low, you cannot change brightness"
  51 #define NORMAL_BATTERY_NOTIFY "Battery becomes normal, now you can change brightness.."
  52
  53 #if DISABLE_LOW_BATERY_CHANGE
  54 static void
  55 __low_battery_on_resp_cb(void *data, Evas_Object *obj, void *event_info)
  56 {
  57         SETTING_TRACE_BEGIN;
  58         setting_retm_if(NULL == data, "NULL == data");
  59         SettingDisplayUG *ad = (SettingDisplayUG *) data;
  60         evas_object_del(ad->popup);
  61         ad->popup = NULL;
  62 }
  63
  64 static Eina_Bool __disable_on_idle(void *data)
  65 {
  66         SETTING_TRACE_BEGIN;
  67         SettingDisplayUG *ad = (SettingDisplayUG *) data;
  68
  69         if (ad->popup)
  70         {
  71                 evas_object_del(ad->popup);
  72                 ad->popup = NULL;
  73         }
  74         ad->popup = setting_create_popup_without_btn(ad, ad->win_get, NULL, _(LOW_BATTERY_NOTIFY),
  75                                         __low_battery_on_resp_cb, POPUP_INTERVAL, FALSE, FALSE);
  76         if (ad->data_br_sli) setting_disable_genlist_item(ad->data_br_sli->item);
  77         if (ad->data_br_auto) setting_disable_genlist_item(ad->data_br_auto->item);
  78         return FALSE;
  79 }
  80
  81 // low battery
  82 static void setting_display_brightness_lowbat_cb(keynode_t *key, void* data)
  83 {
  84 //      SETTING_TRACE_BEGIN;
  85         ret_if(data == NULL);
  86         SettingDisplayUG *ad = (SettingDisplayUG *) data;
  87         SETTING_TRACE_BEGIN;
  88
  89         char* vconf_key = vconf_keynode_get_name(key);
  90         SETTING_TRACE("the value of [ %s ] just changed", vconf_key);
  91         ad->low_bat = vconf_keynode_get_int(key);
  92         if (ad->low_bat <= VCONFKEY_SYSMAN_BAT_CRITICAL_LOW)
  93         {
  94                 SETTING_TRACE("Battery becomes ctitical low !");
  95                 //popup was showed by system FW
  96                 // disabled
  97                 if (ad->data_br_sli) setting_disable_genlist_item(ad->data_br_sli->item);
  98                 if (ad->data_br_auto) setting_disable_genlist_item(ad->data_br_auto->item);
  99         } else {
 100                 SETTING_TRACE("Battery becomes normal!");
 101                 if (ad->data_br_sli) {
 102                         int automatic_val, err;
 103                         setting_get_int_slp_key(INT_SLP_SETTING_AUTOMATIC_BRIGHTNESS, &automatic_val, &err);
 104                         if (ad->data_br_auto) setting_enable_genlist_item(ad->data_br_auto->item);
 105                         if (automatic_val == SETTING_BRIGHTNESS_AUTOMATIC_OFF) // not automatic
 106                         {
 107                                 if (ad->data_br_sli) setting_enable_genlist_item(ad->data_br_sli->item);
 108                         }
 109                 }
 110         }
 111 }
 112 #endif
 113
 114 static void __display_int_vconf_cb(keynode_t *key, void *data)
 115 {
 116         SettingDisplayUG *ad = data;
 117         retm_if(!data, "Invalid argument: data is NULL");
 118
 119         int status = vconf_keynode_get_int(key);
 120         char *vconf_name = vconf_keynode_get_name(key);
 121         SETTING_TRACE("Enter %s(%s=%d)", __FUNCTION__, vconf_name, status);
 122
 123         if (!safeStrCmp(vconf_name, VCONFKEY_SETAPPL_LCD_BRIGHTNESS)) {
 124                 if (ad->data_br_sli)
 125                 {
 126                         elm_slider_value_set(ad->data_br_sli->eo_check, status);
 127                 }
 128         }
 129         else if (!safeStrCmp(vconf_name, VCONFKEY_SETAPPL_BRIGHTNESS_AUTOMATIC_INT)) {
 130                 if (status)
 131                 {
 132                         if (ad->data_br_auto)
 133                                 elm_check_state_set(ad->data_br_auto->eo_check, 1);
 134
 135                         if (ad->data_br_sli)
 136                                 setting_disable_genlist_item(ad->data_br_sli->item);
 137                 }
 138                 else
 139                 {
 140                         if (ad->data_br_auto)
 141                                 elm_check_state_set(ad->data_br_auto->eo_check, 0);
 142
 143                         if (ad->data_br_sli)
 144                                 setting_enable_genlist_item(ad->data_br_sli->item);
 145                 }
 146         }
 147         return;
 148 }
 149
 150 static int setting_display_brightness_create(void *cb)
 151 {
 152         SETTING_TRACE_BEGIN;
 153         retv_if(cb == NULL, SETTING_GENERAL_ERR_NULL_DATA_PARAMETER);
 154
 155         SettingDisplayUG *ad = (SettingDisplayUG *) cb;
 156
 157         Evas_Object *genlist = elm_genlist_add(ad->win_main_layout);
 158         elm_object_style_set(genlist, "dialogue");
 159         retvm_if(genlist == NULL, SETTING_RETURN_FAIL, "Cannot set scroller object as contento of layout");
 160         elm_genlist_clear(genlist);     /* first to clear list */
 161
 162         /* add basic layout */
 163         if (&setting_view_display_brightness == ad->view_to_load) {
 164                 ad->ly_main =
 165                     setting_create_layout_navi_bar(ad->win_main_layout,
 166                                                    ad->win_get,
 167                                                    _(KeyStr_Brightness),
 168                                                    _("IDS_COM_BODY_BACK"),
 169                                                    NULL, NULL,
 170                                                    setting_display_brightness_click_softkey_cancel_cb,
 171                                                    NULL, NULL, ad,
 172                                                    genlist,
 173                                                    &ad->navi_bar, NULL);
 174         } else {
 175                 setting_push_layout_navi_bar(_(KeyStr_Brightness),
 176                                              _("IDS_COM_BODY_BACK"), NULL, NULL,
 177                                              setting_display_brightness_click_softkey_cancel_cb,
 178                                              NULL,
 179                                              NULL, ad, genlist, ad->navi_bar, NULL);;
 180         }
 181
 182
 183         Elm_Object_Item *item = elm_genlist_item_append(genlist, &(ad->itc_seperator), NULL, NULL, ELM_GENLIST_ITEM_NONE, NULL, NULL);
 184         elm_genlist_item_select_mode_set(item, ELM_OBJECT_SELECT_MODE_DISPLAY_ONLY);
 185
 186         // [control] AUTOMATIC - boolean - vconf
 187         int auto_value = SETTING_BRIGHTNESS_AUTOMATIC_ON;
 188         int err;
 189         int ret = setting_get_int_slp_key(INT_SLP_SETTING_AUTOMATIC_BRIGHTNESS, &auto_value, &err);//if get failed,to hold value SETTING_BRIGHTNESS_AUTOMATIC_ON
 190         SETTING_TRACE("auto_value:%d", auto_value);
 191         if (0 != ret) //add error handle,due to different target env..
 192                 SETTING_TRACE_ERROR("Failed to get value of [%s]", VCONFKEY_SETAPPL_BRIGHTNESS_AUTOMATIC_INT);
 193
 194         // [UI] AUTOMATIC - boolean
 195         ad->data_br_auto =
 196             setting_create_Gendial_field_def(genlist, &(ad->itc_1text_1icon),
 197                                              setting_display_brightness_mouse_up_Gendial_list_cb,
 198                                              ad, SWALLOW_Type_1TOGGLE, NULL,
 199                                              NULL, auto_value,
 200                                              "IDS_COM_BODY_AUTOMATIC", NULL,
 201                                              setting_display_brightness_chk_btn_cb);
 202         if (ad->data_br_auto) {
 203                 ad->data_br_auto->userdata = ad;
 204         } else {
 205                 SETTING_TRACE_ERROR("ad->data_br_auto is NULL");
 206         }
 207
 208
 209         /* check manual */
 210         int value = SETTING_BRIGHTNESS_LEVEL5;
 211         ret = setting_get_int_slp_key(INT_SLP_SETTING_LCD_BRIGHTNESS, &value, &err);
 212         SETTING_TRACE("******* value = %d ", value);
 213         if (0 != ret) //add error handle,due to different target env..
 214                 SETTING_TRACE_ERROR("Failed to get value of [%s]", VCONFKEY_SETAPPL_LCD_BRIGHTNESS);
 215
 216         // [UI] Slider control for Bightness
 217         ad->data_br_sli =
 218             setting_create_Gendial_field_def(genlist, &(itc_1icon), NULL,
 219                                              NULL, SWALLOW_Type_LAYOUT_SLIDER,
 220                                              Left_Bright_Icon,
 221                                              Right_Bright_Icon, value, NULL,
 222                                              NULL,
 223                                              setting_display_birghtness_bright_slider_value_change_cb);
 224
 225         if (ad->data_br_sli) {
 226                 ad->data_br_sli->win_main = ad->win_main_layout;
 227                 ad->data_br_sli->evas = ad->evas;
 228                 ad->data_br_sli->isIndicatorVisible = false;
 229                 ad->data_br_sli->slider_min = 1;
 230
 231                 ad->data_br_sli->slider_max = 100;
 232                 ad->data_br_sli->userdata = ad;
 233
 234                 if (auto_value) {
 235                         setting_disable_genlist_item(ad->data_br_sli->item);
 236                 }
 237
 238         } else {
 239                 SETTING_TRACE_ERROR("ad->data_br_sli is NULL");
 240         }
 241         #if DISABLE_LOW_BATERY_CHANGE
 242         ad->low_bat = VCONFKEY_SYSMAN_BAT_NORMAL;
 243         vconf_get_int(VCONFKEY_SYSMAN_BATTERY_STATUS_LOW, &ad->low_bat);
 244         if (0 != ret) //add error handle,due to different target env..
 245                 SETTING_TRACE_ERROR("Failed to get value of [%s]", VCONFKEY_SYSMAN_BATTERY_STATUS_LOW);
 246
 247         if (ad->low_bat <= VCONFKEY_SYSMAN_BAT_CRITICAL_LOW) {
 248                 SETTING_TRACE("battery is ctitical low");
 249                 //have time delay to show all the item out,so user idler to disable
 250                 //if (ad->data_br_sli) setting_disable_genlist_item(ad->data_br_sli->item);
 251                 //if (ad->data_br_auto) setting_disable_genlist_item(ad->data_br_auto->item);
 252                 ecore_idler_add(__disable_on_idle, ad);
 253         }
 254
 255         // low battery handler - registration
 256         vconf_notify_key_changed(VCONFKEY_SYSMAN_BATTERY_STATUS_LOW, setting_display_brightness_lowbat_cb, ad);
 257         #endif
 258
 259         vconf_notify_key_changed(VCONFKEY_SETAPPL_LCD_BRIGHTNESS, __display_int_vconf_cb, ad);
 260         vconf_notify_key_changed(VCONFKEY_SETAPPL_BRIGHTNESS_AUTOMATIC_INT, __display_int_vconf_cb, ad);
 261         setting_view_display_brightness.is_create = 1;
 262         return SETTING_RETURN_SUCCESS;
 263 }
 264
 265 static int setting_display_brightness_destroy(void *cb)
 266 {
 267         SETTING_TRACE_BEGIN;
 268
 269         /* error check */
 270         retv_if(cb == NULL, SETTING_GENERAL_ERR_NULL_DATA_PARAMETER);
 271 #if DISABLE_LOW_BATERY_CHANGE
 272         /* low battery handler - registration */
 273         vconf_ignore_key_changed(VCONFKEY_SYSMAN_BATTERY_STATUS_LOW, setting_display_brightness_lowbat_cb);
 274 #endif
 275         vconf_ignore_key_changed(VCONFKEY_SETAPPL_LCD_BRIGHTNESS, __display_int_vconf_cb);
 276         vconf_ignore_key_changed(VCONFKEY_SETAPPL_BRIGHTNESS_AUTOMATIC_INT, __display_int_vconf_cb);
 277
 278         SettingDisplayUG *ad = (SettingDisplayUG *) cb;
 279         elm_naviframe_item_pop(ad->navi_bar);
 280         if (ad->popup)
 281         {
 282                 evas_object_del(ad->popup);
 283                 ad->popup = NULL;
 284         }
 285
 286         setting_view_display_brightness.is_create = 0;
 287         return SETTING_RETURN_SUCCESS;
 288 }
 289
 290 static int setting_display_brightness_update(void *cb)
 291 {
 292         SETTING_TRACE_BEGIN;
 293         return SETTING_RETURN_SUCCESS;
 294
 295 }
 296
 297 static int setting_display_brightness_cleanup(void *cb)
 298 {
 299         SETTING_TRACE_BEGIN;
 300         /* error check */
 301         retv_if(cb == NULL, SETTING_GENERAL_ERR_NULL_DATA_PARAMETER);
 302         setting_display_brightness_destroy(cb);
 303
 304         return SETTING_RETURN_SUCCESS;
 305 }
 306
 307 /* ***************************************************
 308  *
 309  *general func
 310  *
 311  ***************************************************/
 312
 313 /* ***************************************************
 314  *
 315  *call back func
 316  *
 317  ***************************************************/
 318
 319 static void
 320 setting_display_brightness_click_softkey_cancel_cb(void *data,
 321                                                    Evas_Object *obj,
 322                                                    void *event_info)
 323 {
 324         SETTING_TRACE_BEGIN;
 325         /* error check */
 326         retm_if(data == NULL, "Data parameter is NULL");
 327         SettingDisplayUG *ad = (SettingDisplayUG *) data;
 328         if (&setting_view_display_brightness == ad->view_to_load) {
 329                 /* Send destroy request */
 330                 ug_destroy_me(ad->ug);
 331                 return;
 332         }
 333
 334         setting_view_change(&setting_view_display_brightness,
 335                             &setting_view_display_main, ad);
 336 }
 337
 338 /**
 339  * toggle handler for 'Automatic'
 340  */
 341 static void __toggle_automatic_chk(void* data, int chk_status)
 342 {
 343         int err;
 344         SettingDisplayUG *ad = (SettingDisplayUG *) data;
 345         int ret = setting_set_int_slp_key(INT_SLP_SETTING_AUTOMATIC_BRIGHTNESS, chk_status, &err);
 346         if (0 != ret) //add error handle,due to different target env..
 347         {
 348                 SETTING_TRACE("Operation failed");
 349                 setting_create_popup_without_btn(ad, ad->win_get, NULL, _("IDS_COM_POP_FAILED"),
 350                                         NULL, POPUP_INTERVAL, FALSE, FALSE);
 351                 return;
 352         }
 353         if (chk_status) {
 354                 // TOGGLE ON
 355                 setting_disable_genlist_item(ad->data_br_sli->item);
 356
 357         } else {
 358                 // TOGGLE OFF
 359                 #if DISABLE_LOW_BATERY_CHANGE
 360                 //to get value every time
 361                 ad->low_bat = VCONFKEY_SYSMAN_BAT_NORMAL;
 362
 363                 // in case of LOW BATTERY
 364                 ret = vconf_get_int(VCONFKEY_SYSMAN_BATTERY_STATUS_LOW, &ad->low_bat);
 365                 if (0 != ret) //add error handle,due to different target env..
 366                 {
 367                         SETTING_TRACE("Operation failed");
 368                         setting_create_popup_without_btn(ad, ad->win_get, NULL, _("IDS_COM_POP_FAILED"),
 369                                                 NULL, POPUP_INTERVAL, FALSE, FALSE);
 370                         return;
 371                 }
 372
 373                 // in case of CRITICAL LOW BATTERY
 374                 if (ad->low_bat <= VCONFKEY_SYSMAN_BAT_CRITICAL_LOW)
 375                 {
 376                         setting_disable_genlist_item(ad->data_br_sli->item);
 377                         setting_disable_genlist_item(ad->data_br_auto->item);
 378                 }
 379                 else
 380                 {       // in case of NORMAL OP
 381                         // 1. set vconf
 382                         // 2. call brightness set API
 383                         int value = SETTING_BRIGHTNESS_LEVEL5;
 384                         //device_get_brightness(BRIGHTNESS_DISPLAY, &value);
 385                         if (ad->data_br_sli)
 386                                 value = elm_slider_value_get(ad->data_br_sli->eo_check);
 387                         SETTING_TRACE(" value of ad->data_br_sli->eo_check: %d ", value);
 388                         setting_enable_genlist_item(ad->data_br_sli->item);
 389
 390                         ret = setting_set_int_slp_key(INT_SLP_SETTING_LCD_BRIGHTNESS, value, &err);
 391                         if (0 != ret) //add error handle,due to different target env..
 392                         {
 393                                 SETTING_TRACE("Operation failed");
 394                                 setting_create_popup_without_btn(ad, ad->win_get, NULL, _("IDS_COM_POP_FAILED"),
 395                                                         NULL, POPUP_INTERVAL, FALSE, FALSE);
 396                                 return;
 397                         }
 398
 399                         /*  call brightness API */
 400                         ret = device_set_brightness(BRIGHTNESS_DISPLAY, value);
 401                         /* TODO error handling here */
 402                 }
 403                 #else
 404                 int value = SETTING_BRIGHTNESS_LEVEL5;
 405                 //device_get_brightness(BRIGHTNESS_DISPLAY, &value);
 406                 if (ad->data_br_sli) value = elm_slider_value_get(ad->data_br_sli->eo_check);
 407                 SETTING_TRACE(" value of ad->data_br_sli->eo_check: %d ", value);
 408                 setting_enable_genlist_item(ad->data_br_sli->item);
 409                 ret = setting_set_int_slp_key(INT_SLP_SETTING_LCD_BRIGHTNESS, value, &err);
 410                 if (0 != ret) //add error handle,due to different target env..
 411                 {
 412                         SETTING_TRACE("Operation failed");
 413                         setting_create_popup_without_btn(ad, ad->win_get, NULL, _("IDS_COM_POP_FAILED"),
 414                                                 NULL, POPUP_INTERVAL, FALSE, FALSE);
 415                         return;
 416                 }
 417                 #endif
 418         }
 419 }
 420
 421 static void
 422 setting_display_brightness_chk_btn_cb(void *data, Evas_Object *obj,
 423                                       void *event_info)
 424 {
 425         SETTING_TRACE_BEGIN;
 426         /* error check */
 427         retm_if(data == NULL, "Data parameter is NULL");
 428         Setting_GenGroupItem_Data *list_item =
 429             (Setting_GenGroupItem_Data *) data;
 430         SettingDisplayUG *ad = list_item->userdata;
 431         list_item->chk_status = elm_check_state_get(obj);       /*  for genlist update status */
 432
 433         // enable /disable toggle button
 434         __toggle_automatic_chk(ad, list_item->chk_status);
 435         return;
 436 }
 437
 438 /**
 439  * [UI] 'Automatic' toggle
 440  */
 441 static void setting_display_brightness_mouse_up_Gendial_list_cb(void *data,
 442                                                                 Evas_Object * obj,
 443                                                                 void *event_info)
 444 {
 445         /* error check */
 446         retm_if(event_info == NULL, "Invalid argument: event info is NULL");
 447         retm_if(data == NULL, "Invalid argument: data is NULL");
 448         SettingDisplayUG *ad = data;
 449
 450         Elm_Object_Item *item = (Elm_Object_Item *) event_info;
 451         elm_genlist_item_selected_set(item, 0);
 452         Setting_GenGroupItem_Data *list_item =
 453             (Setting_GenGroupItem_Data *) elm_object_item_data_get(item);
 454
 455         int old_status = elm_check_state_get(list_item->eo_check);
 456         /* new status */
 457         list_item->chk_status = !old_status;
 458         elm_check_state_set(list_item->eo_check, list_item->chk_status);
 459
 460         // enable /disable toggle button
 461         __toggle_automatic_chk(ad,list_item->chk_status);
 462 }
 463
 464 static void setting_display_set_slider_value(void* data, Evas_Object *obj, double value)
 465
 466 {
 467         SETTING_TRACE_BEGIN;
 468         retm_if(data == NULL, "Invalid argument: data is NULL");
 469
 470         SettingDisplayUG *ad = data;
 471         int ret, err;
 472         ret = device_set_brightness(BRIGHTNESS_DISPLAY, value);
 473         if (ret == DEVICE_ERROR_NONE) {
 474                 ad->data_br_sli->chk_status = value;
 475                 ret = setting_set_int_slp_key(INT_SLP_SETTING_LCD_BRIGHTNESS, value, &err);
 476                 //add error handle..
 477                 if (0 != ret) setting_create_popup_without_btn(ad, ad->win_get, NULL, _("IDS_COM_POP_FAILED"),
 478                                                 NULL, POPUP_INTERVAL, FALSE, FALSE);
 479         } else {
 480                 SETTING_TRACE("device_set_brightness : failed[ret=%d]", ret);
 481                 //rollback..
 482                 int tmp = SETTING_BRIGHTNESS_LEVEL5;
 483                 setting_get_int_slp_key(INT_SLP_SETTING_LCD_BRIGHTNESS, &tmp, &err);
 484                 elm_slider_value_set(obj, tmp);
 485                 setting_create_popup_without_btn(ad, ad->win_get, NULL, _("IDS_COM_POP_FAILED"),
 486                                                                 NULL, POPUP_INTERVAL, FALSE, FALSE);
 487         }
 488 }
 489
 490 static Eina_Bool __set_brightness_on_idle(void *data)
 491 {
 492         SETTING_TRACE_BEGIN;
 493         SettingDisplayUG *ad = (SettingDisplayUG *) data;
 494         if (!ad || !ad->data_br_sli || !ad->data_br_sli->eo_check)
 495         {
 496                 SETTING_TRACE_ERROR("!ad || !ad->data_br_sli || !ad->data_br_sli->eo_check");
 497                 ad->set_idler = NULL;
 498                 return FALSE;
 499         }
 500         //Get the current real value of slider
 501         Evas_Object *obj = ad->data_br_sli->eo_check;
 502         double val = elm_slider_value_get(obj);
 503         int value = (int)(val + 0.5);
 504         SETTING_TRACE("val:%f", val);
 505         SETTING_TRACE("value:%d", value);
 506         setting_display_set_slider_value(ad, obj, value);
 507         //After return False, the idler will be deleted directly,so here set ad->set_idler as NULL directly.
 508         ad->set_idler = NULL;
 509         return FALSE;
 510 }
 511
 512 static void
 513 setting_display_birghtness_bright_slider_value_change_cb(void *data,
 514                                                          Evas_Object *obj,
 515                                                          void *event_info)
 516 {
 517         SETTING_TRACE_BEGIN;
 518         retm_if(data == NULL, "Data parameter is NULL");
 519         int value = 0;
 520         static int old_val = -1;
 521         SettingDisplayUG *ad = NULL;
 522         Setting_GenGroupItem_Data *list_item =
 523             (Setting_GenGroupItem_Data *) data;
 524         ad = list_item->userdata;
 525
 526         value = elm_check_state_get(ad->data_br_auto->eo_check);
 527         if (value == 1) {       /* it is automatic setting mode, */
 528                 /* do nothing */
 529                 return;
 530         }
 531
 532         double val = elm_slider_value_get(obj);
 533         SETTING_TRACE("val:%f", val);
 534         value = (int)(val + 0.5);
 535         /* SETTING_TRACE("val:%f", val); */
 536         SETTING_TRACE("value:%d", value);
 537         if (value != old_val)
 538         {
 539                 //setting_display_set_slider_value(ad, obj, value);
 540                 if(isEmulBin())
 541                 {
 542                         SETTING_TRACE("It is in Emulator, need special process to improve the performence");
 543                         if (ad->set_idler) {
 544                                 ecore_idler_del(ad->set_idler);
 545                                 ad->set_idler = NULL;
 546                         }
 547                         ad->set_idler = ecore_idler_add((Ecore_Task_Cb) __set_brightness_on_idle, ad);
 548                 }
 549                 else
 550                 {
 551                         SETTING_TRACE("It is in Real Target, Set the brightness directly.");
 552                         setting_display_set_slider_value(ad, obj, value);
 553                 }
 554                 old_val = value;
 555         }
 556 }
 557
 558