src/base/appcore_base.c

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd. All rights reserved.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17
  18 #define _GNU_SOURCE
  19
  20 #include <stdbool.h>
  21 #include <errno.h>
  22 #include <string.h>
  23 #include <stdlib.h>
  24 #include <sys/types.h>
  25 #include <sys/stat.h>
  26 #include <unistd.h>
  27 #include <malloc.h>
  28 #include <locale.h>
  29 #include <libintl.h>
  30 #include <linux/limits.h>
  31 #include <glib.h>
  32 #include <gio/gio.h>
  33 #include <sys/time.h>
  34 #include <dlfcn.h>
  35 #include <vconf.h>
  36 #include <aul.h>
  37 #include <bundle_internal.h>
  38 #include <sensor_internal.h>
  39 #include <ttrace.h>
  40 #include <system_info.h>
  41 #include "appcore_base.h"
  42 #include "appcore_base_private.h"
  43
  44 #define PATH_LOCALE "locale"
  45 #define RESOURCED_FREEZER_PATH "/Org/Tizen/Resourced/Freezer"
  46 #define RESOURCED_FREEZER_INTERFACE "org.tizen.resourced.freezer"
  47 #define RESOURCED_FREEZER_SIGNAL "FreezerState"
  48 #define SQLITE_FLUSH_MAX (1024 * 1024)
  49
  50 typedef struct _appcore_base_context {
  51         appcore_base_ops ops;
  52         void *data;
  53         int argc;
  54         char **argv;
  55         unsigned int tid;
  56         bool suspended_state;
  57         bool allowed_bg;
  58         bool dirty;
  59         guint sid;
  60 } appcore_base_context;
  61
  62 typedef struct _appcore_base_event_node {
  63         int type;
  64         appcore_base_event_cb cb;
  65         void *data;
  66 } appcore_base_event_node;
  67
  68 typedef struct _appcore_base_rotation {
  69         int conn;
  70         int lock;
  71         int ref;
  72         enum appcore_base_rm rm;
  73         int charger_status;
  74         bool initialized;
  75 } appcore_base_rotation;
  76
  77 struct lang_info_s {
  78         char *parent;
  79         GList *list;
  80 };
  81
  82 static appcore_base_context __context;
  83 static GList *__events;
  84 static GDBusConnection *__bus;
  85 static guint __suspend_dbus_handler_initialized;
  86 static char *__locale_dir;
  87 static appcore_base_rotation __rotation;
  88
  89 appcore_base_tizen_profile_t appcore_base_get_tizen_profile(void)
  90 {
  91         static appcore_base_tizen_profile_t profile = TIZEN_PROFILE_UNKNOWN;
  92         char *profile_name = NULL;
  93
  94         if (__builtin_expect(profile != TIZEN_PROFILE_UNKNOWN, 1))
  95                 return profile;
  96
  97         system_info_get_platform_string("http://tizen.org/feature/profile",
  98                         &profile_name);
  99         if (profile_name == NULL)
 100                 return profile;
 101
 102         switch (*profile_name) {
 103         case 'm':
 104         case 'M':
 105                 profile = TIZEN_PROFILE_MOBILE;
 106                 break;
 107         case 'w':
 108         case 'W':
 109                 profile = TIZEN_PROFILE_WEARABLE;
 110                 break;
 111         case 't':
 112         case 'T':
 113                 profile = TIZEN_PROFILE_TV;
 114                 break;
 115         case 'i':
 116         case 'I':
 117                 profile = TIZEN_PROFILE_IVI;
 118                 break;
 119         default:
 120                 profile = TIZEN_PROFILE_COMMON;
 121                 break;
 122         }
 123         free(profile_name);
 124
 125         return profile;
 126 }
 127
 128
 129 static void __invoke_callback(void *event, int type)
 130 {
 131         GList *iter = __events;
 132
 133         while (iter) {
 134                 appcore_base_event_node *node = iter->data;
 135
 136                 if (node->type == type)
 137                         node->cb(event, node->data);
 138                 iter = g_list_next(iter);
 139         }
 140 }
 141
 142 static bool __exist_callback(int type)
 143 {
 144         GList *iter = __events;
 145
 146         while (iter) {
 147                 appcore_base_event_node *node = iter->data;
 148
 149                 if (node->type == type)
 150                         return true;
 151
 152                 iter = g_list_next(iter);
 153         }
 154
 155         return false;
 156 }
 157
 158 static enum appcore_base_rm __get_rm(sensor_data_t data)
 159 {
 160         int event;
 161         enum appcore_base_rm rm;
 162
 163         if (data.value_count <= 0) {
 164                 _ERR("Failed to get sensor data");
 165                 return APPCORE_BASE_RM_UNKNOWN;
 166         }
 167
 168         event = data.values[0];
 169         switch (event) {
 170         case AUTO_ROTATION_DEGREE_0:
 171                 rm = APPCORE_BASE_RM_PORTRAIT_NORMAL;
 172                 break;
 173         case AUTO_ROTATION_DEGREE_90:
 174                 rm = APPCORE_BASE_RM_LANDSCAPE_NORMAL;
 175                 break;
 176         case AUTO_ROTATION_DEGREE_180:
 177                 rm = APPCORE_BASE_RM_PORTRAIT_REVERSE;
 178                 break;
 179         case AUTO_ROTATION_DEGREE_270:
 180                 rm = APPCORE_BASE_RM_LANDSCAPE_REVERSE;
 181                 break;
 182         default:
 183                 rm = APPCORE_BASE_RM_UNKNOWN;
 184                 break;
 185         }
 186
 187         return rm;
 188 }
 189
 190 static void __lock_cb(keynode_t *node, void *user_data)
 191 {
 192         bool r;
 193         sensor_data_t data;
 194         enum appcore_base_rm rm;
 195
 196         __rotation.lock = !vconf_keynode_get_bool(node);
 197         if (__rotation.lock) {
 198                 _DBG("Rotation locked");
 199                 rm = APPCORE_BASE_RM_PORTRAIT_NORMAL;
 200         } else {
 201                 _DBG("Rotation unlocked");
 202                 r = sensord_get_data(__rotation.conn, AUTO_ROTATION_SENSOR, &data);
 203                 if (!r) {
 204                         _ERR("Failed to get sensor data");
 205                         return;
 206                 }
 207
 208                 rm = __get_rm(data);
 209                 if (rm == APPCORE_BASE_RM_UNKNOWN) {
 210                         _ERR("Unknown mode");
 211                         return;
 212                 }
 213         }
 214
 215         if (__rotation.rm == rm)
 216                 return;
 217
 218         _DBG("Rotation: %d -> %d", __rotation.rm, rm);
 219         __rotation.rm = rm;
 220         __invoke_callback((void *)&__rotation.rm, APPCORE_BASE_EVENT_DEVICE_ORIENTATION_CHANGED);
 221 }
 222
 223 static void __auto_rotation_changed_cb(sensor_t sensor, unsigned int event_type,
 224                 sensor_data_t *data, void *user_data)
 225 {
 226         enum appcore_base_rm rm;
 227
 228         if (data == NULL)
 229                 return;
 230
 231         if (__rotation.lock)
 232                 return;
 233
 234         if (event_type != AUTO_ROTATION_CHANGE_STATE_EVENT)
 235                 return;
 236
 237         rm = __get_rm(*data);
 238         if (rm == APPCORE_BASE_RM_UNKNOWN) {
 239                 _ERR("Unknown mode");
 240                 return;
 241         }
 242
 243         _DBG("Rotation: %d -> %d", __rotation.rm, rm);
 244         __rotation.rm = rm;
 245         __invoke_callback((void *)&__rotation.rm, APPCORE_BASE_EVENT_DEVICE_ORIENTATION_CHANGED);
 246 }
 247
 248 static void __fini_rotation(void)
 249 {
 250         if (!__rotation.initialized)
 251                 return;
 252
 253         vconf_ignore_key_changed(VCONFKEY_SETAPPL_AUTO_ROTATE_SCREEN_BOOL, __lock_cb);
 254         sensord_unregister_event(__rotation.conn, AUTO_ROTATION_CHANGE_STATE_EVENT);
 255         sensord_stop(__rotation.conn);
 256         sensord_disconnect(__rotation.conn);
 257
 258         __rotation.lock = 0;
 259         __rotation.initialized = false;
 260 }
 261
 262 static void __init_rotation(void)
 263 {
 264         sensor_t sensor;
 265         int lock;
 266         bool r;
 267
 268         if (__rotation.initialized)
 269                 return;
 270
 271         sensor = sensord_get_sensor(AUTO_ROTATION_SENSOR);
 272         __rotation.conn = sensord_connect(sensor);
 273         if (__rotation.conn < 0) {
 274                 _ERR("Failed to connect sensord");
 275                 return;
 276         }
 277
 278         r = sensord_register_event(__rotation.conn, AUTO_ROTATION_CHANGE_STATE_EVENT,
 279                         SENSOR_INTERVAL_NORMAL, 0, __auto_rotation_changed_cb, NULL);
 280         if (!r) {
 281                 _ERR("Failed to register auto rotation change event");
 282                 sensord_disconnect(__rotation.conn);
 283                 return;
 284         }
 285
 286         r = sensord_start(__rotation.conn, 0);
 287         if (!r) {
 288                 _ERR("Failed to start sensord");
 289                 sensord_unregister_event(__rotation.conn, AUTO_ROTATION_CHANGE_STATE_EVENT);
 290                 sensord_disconnect(__rotation.conn);
 291                 return;
 292         }
 293
 294         lock = 0;
 295         vconf_get_bool(VCONFKEY_SETAPPL_AUTO_ROTATE_SCREEN_BOOL, &lock);
 296         vconf_notify_key_changed(VCONFKEY_SETAPPL_AUTO_ROTATE_SCREEN_BOOL, __lock_cb, NULL);
 297
 298         __rotation.lock = !lock;
 299         __rotation.initialized = true;
 300 }
 301
 302 static void __charger_status_changed_cb(keynode_t *keynode, void *user_data)
 303 {
 304         if (TIZEN_FEATURE_CHARGER_STATUS) {
 305                 __rotation.charger_status = vconf_keynode_get_int(keynode);
 306                 if (__rotation.charger_status) {
 307                         if (__rotation.ref)
 308                                 __init_rotation();
 309                 } else {
 310                         if (__rotation.ref)
 311                                 __fini_rotation();
 312                 }
 313                 _DBG("charger status(%d)", __rotation.charger_status);
 314         }
 315 }
 316
 317 static void __unregister_rotation_changed_event(void)
 318 {
 319         if (!__rotation.ref)
 320                 return;
 321
 322         __rotation.ref--;
 323         if (__rotation.ref > 1)
 324                 return;
 325
 326         __fini_rotation();
 327         if (TIZEN_FEATURE_CHARGER_STATUS) {
 328                 vconf_ignore_key_changed(VCONFKEY_SYSMAN_CHARGER_STATUS,
 329                                 __charger_status_changed_cb);
 330         }
 331
 332         __rotation.ref = 0;
 333 }
 334
 335 static void __register_rotation_changed_event(void)
 336 {
 337         if (__rotation.ref) {
 338                 __rotation.ref++;
 339                 return;
 340         }
 341
 342         if (TIZEN_FEATURE_CHARGER_STATUS) {
 343                 vconf_get_int(VCONFKEY_SYSMAN_CHARGER_STATUS,
 344                                 &__rotation.charger_status);
 345                 vconf_notify_key_changed(VCONFKEY_SYSMAN_CHARGER_STATUS,
 346                                 __charger_status_changed_cb, NULL);
 347                 if (__rotation.charger_status)
 348                         __init_rotation();
 349         } else {
 350                 __init_rotation();
 351         }
 352
 353         __rotation.ref++;
 354 }
 355
 356 static void __on_low_memory(keynode_t *key, void *data)
 357 {
 358         int val;
 359
 360         val = vconf_keynode_get_int(key);
 361
 362         if (val >= VCONFKEY_SYSMAN_LOW_MEMORY_SOFT_WARNING) {
 363                 __invoke_callback(&val, APPCORE_BASE_EVENT_LOW_MEMORY);
 364                 malloc_trim(0);
 365         }
 366 }
 367
 368 static void __on_low_battery(keynode_t *key, void *data)
 369 {
 370         int val;
 371
 372         val = vconf_keynode_get_int(key);
 373
 374         if (val <= VCONFKEY_SYSMAN_BAT_CRITICAL_LOW)
 375                 __invoke_callback(&val, APPCORE_BASE_EVENT_LOW_BATTERY);
 376 }
 377
 378 static void __destroy_lang_info(gpointer data)
 379 {
 380         struct lang_info_s *info = (struct lang_info_s *)data;
 381
 382         if (info == NULL)
 383                 return;
 384
 385         if (info->list)
 386                 g_list_free_full(info->list, free);
 387         if (info->parent)
 388                 free(info->parent);
 389         free(info);
 390 }
 391
 392 static struct lang_info_s *__create_lang_info(const char *lang)
 393 {
 394         struct lang_info_s *info;
 395
 396         info = calloc(1, sizeof(struct lang_info_s));
 397         if (info == NULL) {
 398                 _ERR("Out of memory");
 399                 return NULL;
 400         }
 401
 402         info->parent = strdup(lang);
 403         if (info->parent == NULL) {
 404                 _ERR("Out of memory");
 405                 free(info);
 406                 return NULL;
 407         }
 408
 409         return info;
 410 }
 411
 412 static gint __compare_langs(gconstpointer a, gconstpointer b)
 413 {
 414         if (!a || !b)
 415                 return -1;
 416
 417         return strcmp(a, b);
 418 }
 419
 420 static char *__get_string_before(const char *str, const char *delim)
 421 {
 422         char *new_str;
 423         char *dup_str;
 424         char *token;
 425
 426         dup_str = strdup(str);
 427         if (dup_str == NULL)
 428                 return NULL;
 429
 430         token = strtok(dup_str, delim);
 431         if (token == NULL) {
 432                 free(dup_str);
 433                 return NULL;
 434         }
 435
 436         new_str = strdup(token);
 437         free(dup_str);
 438
 439         return new_str;
 440 }
 441
 442 static GHashTable *__get_lang_table(void)
 443 {
 444         GHashTable *table;
 445         DIR *dp;
 446         struct dirent *dentry;
 447         char buf[PATH_MAX];
 448         struct stat stat_buf;
 449         int ret;
 450         char *parent_lang;
 451         struct lang_info_s *info;
 452
 453         if (__locale_dir == NULL || __locale_dir[0] == '\0')
 454                 return NULL;
 455
 456         table = g_hash_table_new_full(g_str_hash, g_str_equal,
 457                         NULL, __destroy_lang_info);
 458         if (table == NULL) {
 459                 _ERR("Out of memory");
 460                 return NULL;
 461         }
 462
 463         dp = opendir(__locale_dir);
 464         if (dp == NULL) {
 465                 g_hash_table_destroy(table);
 466                 return NULL;
 467         }
 468
 469         while ((dentry = readdir(dp)) != NULL) {
 470                 if (!strcmp(dentry->d_name, ".") ||
 471                                 !strcmp(dentry->d_name, ".."))
 472                         continue;
 473
 474                 snprintf(buf, sizeof(buf), "%s/%s",
 475                                 __locale_dir, dentry->d_name);
 476                 ret = stat(buf, &stat_buf);
 477                 if (ret != 0 || !S_ISDIR(stat_buf.st_mode))
 478                         continue;
 479
 480                 parent_lang = __get_string_before(dentry->d_name, "_");
 481                 if (parent_lang == NULL) {
 482                         _ERR("Out of memory");
 483                         break;
 484                 }
 485
 486                 info = g_hash_table_lookup(table, parent_lang);
 487                 if (info == NULL) {
 488                         info = __create_lang_info(parent_lang);
 489                         if (info == NULL) {
 490                                 free(parent_lang);
 491                                 break;
 492                         }
 493                         g_hash_table_insert(table, info->parent, info);
 494                 }
 495                 info->list = g_list_append(info->list, strdup(dentry->d_name));
 496                 free(parent_lang);
 497         }
 498         closedir(dp);
 499
 500         return table;
 501 }
 502
 503 static GList *__append_langs(const char *lang, GList *list, GHashTable *table)
 504 {
 505         struct lang_info_s *info;
 506         GList *found;
 507         char *parent_lang = NULL;
 508         char *extract_lang;
 509
 510         if (lang == NULL)
 511                 return list;
 512
 513         list = g_list_append(list, strdup(lang));
 514
 515         extract_lang = __get_string_before(lang, ".");
 516         if (extract_lang == NULL)
 517                 return list;
 518
 519         found = g_list_find_custom(list, extract_lang, __compare_langs);
 520         if (found) {
 521                 list = g_list_remove_link(list, found);
 522                 list = g_list_concat(list, found);
 523                 goto end;
 524         }
 525
 526         parent_lang = __get_string_before(extract_lang, "_");
 527         if (parent_lang == NULL)
 528                 goto end;
 529
 530         info = g_hash_table_lookup(table, parent_lang);
 531         if (info == NULL)
 532                 goto end;
 533
 534         found = g_list_find_custom(info->list, extract_lang, __compare_langs);
 535         if (found) {
 536                 info->list = g_list_remove_link(info->list, found);
 537                 list = g_list_concat(list, found);
 538                 goto end;
 539         }
 540
 541         found = g_list_find_custom(info->list, parent_lang, __compare_langs);
 542         if (found) {
 543                 info->list = g_list_remove_link(info->list, found);
 544                 list = g_list_concat(list, found);
 545                 goto end;
 546         }
 547
 548         found = g_list_first(info->list);
 549         if (found) {
 550                 info->list = g_list_remove_link(info->list, found);
 551                 list = g_list_concat(list, found);
 552         }
 553
 554 end:
 555         if (extract_lang)
 556                 free(extract_lang);
 557         if (parent_lang)
 558                 free(parent_lang);
 559
 560         return list;
 561 }
 562
 563 static GList *__split_language(const char *lang)
 564 {
 565         GList *list = NULL;
 566         char *dup_lang;
 567         char *token;
 568
 569         dup_lang = strdup(lang);
 570         if (dup_lang == NULL) {
 571                 _ERR("Out of memory");
 572                 return NULL;
 573         }
 574
 575         token = strtok(dup_lang, ":");
 576         while (token != NULL) {
 577                 list = g_list_append(list, strdup(token));
 578                 token = strtok(NULL, ":");
 579         }
 580         free(dup_lang);
 581
 582         return list;
 583 }
 584
 585 static GList *__append_default_langs(GList *list)
 586 {
 587         const char *langs[] = {"en_US", "en_GB", "en"};
 588         unsigned int i;
 589         GList *found;
 590
 591         for (i = 0; i < (sizeof(langs) / sizeof(langs[0])); i++) {
 592                 found = g_list_find_custom(list, langs[i], __compare_langs);
 593                 if (found == NULL)
 594                         list = g_list_append(list, strdup(langs[i]));
 595         }
 596
 597         return list;
 598 }
 599
 600 static char *__get_language(const char *lang)
 601 {
 602         GHashTable *table;
 603         GList *list;
 604         GList *lang_list = NULL;
 605         GList *iter;
 606         char *language;
 607         char buf[LINE_MAX] = {'\0'};
 608         size_t n;
 609
 610         list = __split_language(lang);
 611         if (list == NULL)
 612                 return NULL;
 613
 614         table = __get_lang_table();
 615         if (table == NULL) {
 616                 g_list_free_full(list, free);
 617                 return NULL;
 618         }
 619
 620         iter = g_list_first(list);
 621         while (iter) {
 622                 language = (char *)iter->data;
 623                 lang_list = __append_langs(language, lang_list, table);
 624                 iter = g_list_next(iter);
 625         }
 626         g_list_free_full(list, free);
 627         g_hash_table_destroy(table);
 628
 629         lang_list = __append_default_langs(lang_list);
 630         iter = g_list_first(lang_list);
 631         while (iter) {
 632                 language = (char *)iter->data;
 633                 if (language) {
 634                         if (buf[0] == '\0') {
 635                                 snprintf(buf, sizeof(buf), "%s", language);
 636                         } else {
 637                                 n = sizeof(buf) - strlen(buf) - 1;
 638                                 strncat(buf, ":", n);
 639                                 n = sizeof(buf) - strlen(buf) - 1;
 640                                 strncat(buf, language, n);
 641                         }
 642                 }
 643                 iter = g_list_next(iter);
 644         }
 645         g_list_free_full(lang_list, free);
 646
 647         return strdup(buf);
 648 }
 649
 650 static void __update_lang(void)
 651 {
 652         char *language;
 653         char *lang;
 654         char *r;
 655
 656         lang = vconf_get_str(VCONFKEY_LANGSET);
 657         if (lang) {
 658                 /* TODO: Use VCONFKEY_SETAPPL_LANGUAGES key */
 659                 language = __get_language(lang);
 660                 if (language) {
 661                         _DBG("*****language(%s)", language);
 662                         setenv("LANGUAGE", language, 1);
 663                         free(language);
 664                 } else {
 665                         setenv("LANGUAGE", lang, 1);
 666                 }
 667                 setenv("LANG", lang, 1);
 668                 setenv("LC_MESSAGES", lang, 1);
 669                 r = setlocale(LC_ALL, "");
 670                 if (r == NULL) {
 671                         r = setlocale(LC_ALL, "en_US.UTF-8");
 672                         if (r != NULL) {
 673                                 _DBG("*****appcore setlocale=%s\n", r);
 674                         } else {
 675                                 _DBG("*****appcore setlocale=\"C\"");
 676                                 setenv("LC_ALL", "C", 1);
 677                                 r = setlocale(LC_ALL, "");
 678                                 if (r == NULL)
 679                                         _ERR("failed to setlocale");
 680                         }
 681                 }
 682                 free(lang);
 683         }
 684 }
 685
 686 static void __update_region(void)
 687 {
 688         char *region;
 689         char *r;
 690
 691         region = vconf_get_str(VCONFKEY_REGIONFORMAT);
 692         if (region) {
 693                 setenv("LC_CTYPE", region, 1);
 694                 setenv("LC_NUMERIC", region, 1);
 695                 setenv("LC_TIME", region, 1);
 696                 setenv("LC_COLLATE", region, 1);
 697                 setenv("LC_MONETARY", region, 1);
 698                 setenv("LC_PAPER", region, 1);
 699                 setenv("LC_NAME", region, 1);
 700                 setenv("LC_ADDRESS", region, 1);
 701                 setenv("LC_TELEPHONE", region, 1);
 702                 setenv("LC_MEASUREMENT", region, 1);
 703                 setenv("LC_IDENTIFICATION", region, 1);
 704                 r = setlocale(LC_ALL, "");
 705                 if (r != NULL) {
 706                         _DBG("*****appcore setlocale=%s\n", r);
 707                 } else {
 708                         _DBG("*****appcore setlocale=\"C\"");
 709                         setenv("LC_ALL", "C", 1);
 710                         r = setlocale(LC_ALL, "");
 711                         if (r == NULL)
 712                                 _ERR("failed to setlocale");
 713                 }
 714
 715                 free(region);
 716         }
 717 }
 718
 719 static void __on_language_change(keynode_t *key, void *data)
 720 {
 721         char *val;
 722
 723         if (__context.sid) {
 724                 g_source_remove(__context.sid);
 725                 __context.sid = 0;
 726         }
 727
 728         val = vconf_keynode_get_str(key);
 729
 730         __update_lang();
 731         __invoke_callback((void *)val, APPCORE_BASE_EVENT_LANG_CHANGE);
 732 }
 733
 734 static void __on_region_change(keynode_t *key, void *data)
 735 {
 736         char *val;
 737         const char *name;
 738
 739         name = vconf_keynode_get_name(key);
 740         if (name == NULL)
 741                 return;
 742
 743         if (strcmp(name, VCONFKEY_REGIONFORMAT) &&
 744                         strcmp(name, VCONFKEY_REGIONFORMAT_TIME1224))
 745                 return;
 746
 747         val = vconf_get_str(VCONFKEY_REGIONFORMAT);
 748
 749         __update_region();
 750         __invoke_callback((void *)val, APPCORE_BASE_EVENT_REGION_CHANGE);
 751         free(val);
 752 }
 753
 754 static gboolean __invoke_lang_change(gpointer data)
 755 {
 756         const char *lang;
 757
 758         __context.sid = 0;
 759
 760         lang = getenv("LANG");
 761         if (!lang)
 762                 return G_SOURCE_REMOVE;
 763
 764         __invoke_callback((void *)lang, APPCORE_BASE_EVENT_LANG_CHANGE);
 765
 766         return G_SOURCE_REMOVE;
 767 }
 768
 769 static void __verify_language(void)
 770 {
 771         char *lang;
 772         const char *env_lang;
 773
 774         env_lang = getenv("LANG");
 775         if (!env_lang)
 776                 return;
 777
 778         lang = vconf_get_str(VCONFKEY_LANGSET);
 779         if (!lang)
 780                 return;
 781
 782         if (strcmp(env_lang, lang) != 0) {
 783                 _INFO("LANG(%s), LANGSET(%s)", env_lang, lang);
 784                 __context.sid = g_idle_add(__invoke_lang_change, NULL);
 785         }
 786
 787         free(lang);
 788 }
 789
 790 static gboolean __flush_memory(gpointer data)
 791 {
 792         int suspend = APPCORE_BASE_SUSPENDED_STATE_WILL_ENTER_SUSPEND;
 793
 794         appcore_base_flush_memory();
 795         __context.tid = 0;
 796
 797         if (!__context.allowed_bg && !__context.suspended_state) {
 798                 _DBG("[__SUSPEND__] flush case");
 799                 __invoke_callback((void *)&suspend, APPCORE_BASE_EVENT_SUSPENDED_STATE_CHANGE);
 800                 __context.suspended_state = true;
 801         }
 802
 803         return FALSE;
 804 }
 805
 806 static void __add_suspend_timer(void)
 807 {
 808         __context.tid = g_timeout_add_seconds(5, __flush_memory, NULL);
 809 }
 810
 811 static void __remove_suspend_timer(void)
 812 {
 813         if (__context.tid > 0) {
 814                 g_source_remove(__context.tid);
 815                 __context.tid = 0;
 816         }
 817 }
 818
 819 static void __on_receive_suspend_signal(GDBusConnection *connection,
 820                                         const gchar *sender_name,
 821                                         const gchar *object_path,
 822                                         const gchar *interface_name,
 823                                         const gchar *signal_name,
 824                                         GVariant *parameters,
 825                                         gpointer user_data)
 826 {
 827         gint suspend = APPCORE_BASE_SUSPENDED_STATE_DID_EXIT_FROM_SUSPEND;
 828         gint pid;
 829         gint status;
 830
 831         if (g_strcmp0(signal_name, RESOURCED_FREEZER_SIGNAL) == 0) {
 832                 g_variant_get(parameters, "(ii)", &status, &pid);
 833                 if (pid == getpid() && status == 0) {
 834                         if (!__context.allowed_bg && __context.suspended_state) {
 835                                 __remove_suspend_timer();
 836                                 __invoke_callback((void *)&suspend, APPCORE_BASE_EVENT_SUSPENDED_STATE_CHANGE);
 837                                 __context.suspended_state = false;
 838                                 __add_suspend_timer();
 839                         }
 840                 }
 841         }
 842 }
 843
 844 static int __init_suspend_dbus_handler(void)
 845 {
 846         GError *err = NULL;
 847
 848         if (__suspend_dbus_handler_initialized)
 849                 return 0;
 850
 851         if (!__bus) {
 852                 __bus = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &err);
 853                 if (!__bus) {
 854                         _ERR("Failed to connect to the D-BUS daemon: %s",
 855                                                 err->message);
 856                         g_error_free(err);
 857                         return -1;
 858                 }
 859         }
 860
 861         __suspend_dbus_handler_initialized = g_dbus_connection_signal_subscribe(
 862                                                 __bus,
 863                                                 NULL,
 864                                                 RESOURCED_FREEZER_INTERFACE,
 865                                                 RESOURCED_FREEZER_SIGNAL,
 866                                                 RESOURCED_FREEZER_PATH,
 867                                                 NULL,
 868                                                 G_DBUS_SIGNAL_FLAGS_NONE,
 869                                                 __on_receive_suspend_signal,
 870                                                 NULL,
 871                                                 NULL);
 872         if (__suspend_dbus_handler_initialized == 0) {
 873                 _ERR("g_dbus_connection_signal_subscribe() is failed.");
 874                 return -1;
 875         }
 876
 877         _DBG("[__SUSPEND__] suspend signal initialized");
 878
 879         return 0;
 880 }
 881
 882 static void __fini_suspend_dbus_handler(void)
 883 {
 884         if (__bus == NULL)
 885                 return;
 886
 887         if (__suspend_dbus_handler_initialized) {
 888                 g_dbus_connection_signal_unsubscribe(__bus,
 889                                 __suspend_dbus_handler_initialized);
 890                 __suspend_dbus_handler_initialized = 0;
 891         }
 892
 893         g_object_unref(__bus);
 894         __bus = NULL;
 895 }
 896
 897 static gboolean __init_suspend(gpointer data)
 898 {
 899         __init_suspend_dbus_handler();
 900         return G_SOURCE_REMOVE;
 901 }
 902
 903 static int __get_locale_resource_dir(char *locale_dir, int size)
 904 {
 905         const char *res_path;
 906
 907         res_path = aul_get_app_resource_path();
 908         if (res_path == NULL) {
 909                 _ERR("Failed to get resource path");
 910                 return -1;
 911         }
 912
 913         snprintf(locale_dir, size, "%s" PATH_LOCALE, res_path);
 914         if (access(locale_dir, R_OK) != 0)
 915                 _DBG("%s does not exist", locale_dir);
 916
 917         return 0;
 918 }
 919
 920 static int __get_app_name(const char *appid, char **name)
 921 {
 922         char *name_token = NULL;
 923
 924         if (appid == NULL)
 925                 return -1;
 926
 927         /* com.vendor.name -> name */
 928         name_token = strrchr(appid, '.');
 929         if (name_token == NULL)
 930                 return -1;
 931
 932         name_token++;
 933
 934         *name = strdup(name_token);
 935         if (*name == NULL)
 936                 return -1;
 937
 938         return 0;
 939 }
 940
 941 static int __set_i18n(const char *domain, const char *dir)
 942 {
 943         char *r;
 944
 945         if (domain == NULL) {
 946                 errno = EINVAL;
 947                 return -1;
 948         }
 949
 950         if (dir) {
 951                 if (__locale_dir)
 952                         free(__locale_dir);
 953                 __locale_dir = strdup(dir);
 954         }
 955
 956         __update_lang();
 957         __update_region();
 958
 959         r = setlocale(LC_ALL, "");
 960         /* if locale is not set properly, try to set "en_US" again */
 961         if (r == NULL) {
 962                 r = setlocale(LC_ALL, "en_US.UTF-8");
 963                 if (r != NULL)
 964                         _DBG("*****appcore setlocale=%s\n", r);
 965         }
 966         if (r == NULL) {
 967                 _ERR("appcore: setlocale() error");
 968                 _DBG("*****appcore setlocale=\"C\"");
 969                 setenv("LC_ALL", "C", 1);
 970                 r = setlocale(LC_ALL, "");
 971                 if (r == NULL)
 972                         _ERR("failed to setlocale");
 973         }
 974
 975         r = bindtextdomain(domain, dir);
 976         if (r == NULL)
 977                 _ERR("appcore: bindtextdomain() error");
 978
 979         r = textdomain(domain);
 980         if (r == NULL)
 981                 _ERR("appcore: textdomain() error");
 982
 983         return 0;
 984 }
 985
 986 EXPORT_API int appcore_base_on_set_i18n(void)
 987 {
 988         int r;
 989         char locale_dir[PATH_MAX];
 990         char appid[PATH_MAX];
 991         char *name = NULL;
 992
 993         r = aul_app_get_appid_bypid(getpid(), appid, PATH_MAX);
 994         if (r < 0) {
 995                 _ERR("Failed to get application ID - pid(%d)", getpid());
 996                 return -1;
 997         }
 998
 999         r = __get_app_name(appid, &name);
1000         if (r < 0)
1001                 return -1;
1002
1003         r = __get_locale_resource_dir(locale_dir, sizeof(locale_dir));
1004         if (r < 0) {
1005                 free(name);
1006                 return -1;
1007         }
1008
1009         r = __set_i18n(name, locale_dir);
1010         if (r < 0) {
1011                 free(name);
1012                 return -1;
1013         }
1014
1015         free(name);
1016
1017         return 0;
1018 }
1019
1020 EXPORT_API int appcore_base_set_i18n(const char *domain_name, const char *dir_name)
1021 {
1022         return __set_i18n(domain_name, dir_name);
1023 }
1024
1025 static void __set_default_events(void)
1026 {
1027         int r;
1028
1029         vconf_notify_key_changed(VCONFKEY_LANGSET, __on_language_change, NULL);
1030         r = vconf_notify_key_changed(VCONFKEY_REGIONFORMAT, __on_region_change, NULL);
1031         if (r == 0)
1032                 vconf_notify_key_changed(VCONFKEY_REGIONFORMAT_TIME1224, __on_region_change, NULL);
1033         vconf_notify_key_changed(VCONFKEY_SYSMAN_LOW_MEMORY, __on_low_memory, NULL);
1034 }
1035
1036 static void __unset_default_events(void)
1037 {
1038         int r;
1039
1040         vconf_ignore_key_changed(VCONFKEY_LANGSET, __on_language_change);
1041         r = vconf_ignore_key_changed(VCONFKEY_REGIONFORMAT, __on_region_change);
1042         if (r == 0)
1043                 vconf_ignore_key_changed(VCONFKEY_REGIONFORMAT_TIME1224, __on_region_change);
1044         vconf_ignore_key_changed(VCONFKEY_SYSMAN_LOW_MEMORY, __on_low_memory);
1045 }
1046
1047 EXPORT_API int appcore_base_init(appcore_base_ops ops, int argc, char **argv, void *data)
1048 {
1049         int i;
1050         int r;
1051
1052         __context.ops = ops;
1053         __context.argc = argc;
1054         __context.argv = argv;
1055         __context.data = data;
1056         __context.tid = 0;
1057         __context.suspended_state = false;
1058         __context.allowed_bg = false;
1059
1060         if (__context.ops.init)
1061                 __context.ops.init(argc, argv, data);
1062
1063         if (TIZEN_FEATURE_BACKGROUND_MANAGEMENT)
1064                 g_idle_add(__init_suspend, NULL);
1065
1066         if (!__context.dirty) {
1067                 __context.dirty = true;
1068
1069                 for (i = APPCORE_BASE_EVENT_START + 1; i < APPCORE_BASE_EVENT_MAX; i++) {
1070                         if (__exist_callback(i)) {
1071                                 if (__context.ops.set_event)
1072                                         __context.ops.set_event(i, __context.data);
1073                         }
1074                 }
1075         }
1076
1077         __verify_language();
1078         __set_default_events();
1079         if (__context.ops.set_i18n)
1080                 __context.ops.set_i18n(__context.data);
1081
1082         if (__context.ops.create) {
1083                 traceBegin(TTRACE_TAG_APPLICATION_MANAGER, "APPCORE:CREATE");
1084                 r = __context.ops.create(__context.data);
1085                 traceEnd(TTRACE_TAG_APPLICATION_MANAGER);
1086                 if (r < 0) {
1087                         aul_status_update(STATUS_DYING);
1088                         return 0;
1089                 }
1090         }
1091
1092         if (__context.ops.run)
1093                 __context.ops.run(__context.data);
1094
1095         return 0;
1096 }
1097
1098 EXPORT_API void appcore_base_fini(void)
1099 {
1100         int i;
1101
1102         aul_status_update(STATUS_DYING);
1103         if (__context.ops.terminate) {
1104                 traceBegin(TTRACE_TAG_APPLICATION_MANAGER, "APPCORE:TERMINATE");
1105                 __context.ops.terminate(__context.data);
1106                 traceEnd(TTRACE_TAG_APPLICATION_MANAGER);
1107         }
1108
1109         for (i = APPCORE_BASE_EVENT_START + 1; i < APPCORE_BASE_EVENT_MAX; i++) {
1110                 if (__exist_callback(i)) {
1111                         if (__context.ops.unset_event)
1112                                 __context.ops.unset_event(i, __context.data);
1113                 }
1114         }
1115
1116         __unset_default_events();
1117
1118         if (__context.sid) {
1119                 g_source_remove(__context.sid);
1120                 __context.sid = 0;
1121         }
1122
1123         g_list_free_full(__events, free);
1124         __events = NULL;
1125
1126         if (TIZEN_FEATURE_BACKGROUND_MANAGEMENT)
1127                 __fini_suspend_dbus_handler();
1128
1129         if (__locale_dir) {
1130                 free(__locale_dir);
1131                 __locale_dir = NULL;
1132         }
1133
1134         __context.dirty = false;
1135
1136         if (__context.ops.finish)
1137                 __context.ops.finish();
1138 }
1139
1140 EXPORT_API int appcore_base_flush_memory(void)
1141 {
1142         int (*sqlite3_free_heap_memory)(int);
1143         void (*elm_free_all_cache)(void);
1144
1145         elm_free_all_cache = dlsym(RTLD_DEFAULT, "elm_cache_all_flush");
1146         if (elm_free_all_cache)
1147                 elm_free_all_cache();
1148
1149         sqlite3_free_heap_memory = dlsym(RTLD_DEFAULT,
1150                         "sqlite3_release_memory");
1151         if (sqlite3_free_heap_memory)
1152                 sqlite3_free_heap_memory(SQLITE_FLUSH_MAX);
1153
1154         malloc_trim(0);
1155         return 0;
1156 }
1157
1158 EXPORT_API int appcore_base_on_receive(aul_type type, bundle *b)
1159 {
1160         const char *bg;
1161         int dummy = 0;
1162
1163         switch (type) {
1164         case AUL_START:
1165                 _DBG("[APP %d]     AUL event: AUL_START", getpid());
1166                 if (TIZEN_FEATURE_BACKGROUND_MANAGEMENT) {
1167                         bg = bundle_get_val(b, AUL_K_ALLOWED_BG);
1168                         if (bg && !strcmp(bg, "ALLOWED_BG")) {
1169                                 _DBG("[__SUSPEND__] allowed background");
1170                                 __context.allowed_bg = true;
1171                                 __remove_suspend_timer();
1172                         }
1173                 }
1174
1175                 if (__context.ops.control) {
1176                         traceBegin(TTRACE_TAG_APPLICATION_MANAGER, "APPCORE:RESET");
1177                         __context.ops.control(b, __context.data);
1178                         traceEnd(TTRACE_TAG_APPLICATION_MANAGER);
1179                 }
1180                 break;
1181         case AUL_RESUME:
1182                 _DBG("[APP %d]     AUL event: AUL_RESUME", getpid());
1183                 if (TIZEN_FEATURE_BACKGROUND_MANAGEMENT) {
1184                         bg = bundle_get_val(b, AUL_K_ALLOWED_BG);
1185                         if (bg && !strcmp(bg, "ALLOWED_BG")) {
1186                                 _DBG("[__SUSPEND__] allowed background");
1187                                 __context.allowed_bg = true;
1188                                 __remove_suspend_timer();
1189                         }
1190                 }
1191                 break;
1192         case AUL_TERMINATE:
1193                 _DBG("[APP %d]     AUL event: AUL_TERMINATE", getpid());
1194                 aul_status_update(STATUS_DYING);
1195                 if (!__context.allowed_bg)
1196                         __remove_suspend_timer();
1197
1198                 if (__context.ops.exit)
1199                         __context.ops.exit(__context.data);
1200                 break;
1201         case AUL_TERMINATE_BGAPP:
1202                 _DBG("[APP %d]     AUL event: AUL_TERMINATE_BGAPP", getpid());
1203                 if (!__context.allowed_bg)
1204                         __remove_suspend_timer();
1205                 break;
1206         case AUL_WAKE:
1207                 _DBG("[APP %d]     AUL event: AUL_WAKE", getpid());
1208                 if (TIZEN_FEATURE_BACKGROUND_MANAGEMENT) {
1209                         if (!__context.allowed_bg &&
1210                                         __context.suspended_state) {
1211                                 int suspend = APPCORE_BASE_SUSPENDED_STATE_DID_EXIT_FROM_SUSPEND;
1212                                 __remove_suspend_timer();
1213                                 __invoke_callback((void *)&suspend, APPCORE_BASE_EVENT_SUSPENDED_STATE_CHANGE);
1214                                 __context.suspended_state = false;
1215                         }
1216                 }
1217                 break;
1218         case AUL_SUSPEND:
1219                 _DBG("[APP %d]     AUL event: AUL_SUSPEND", getpid());
1220                 if (TIZEN_FEATURE_BACKGROUND_MANAGEMENT) {
1221                         if (!__context.allowed_bg &&
1222                                         !__context.suspended_state) {
1223                                 __remove_suspend_timer();
1224                                 __flush_memory(NULL);
1225                         }
1226                 }
1227                 break;
1228         case AUL_UPDATE_REQUESTED:
1229                 _DBG("[APP %d]     AUL event: AUL_UPDATE_REQUESTED", getpid());
1230                 __invoke_callback((void *)&dummy, APPCORE_BASE_EVENT_UPDATE_REQUESTED);
1231                 break;
1232         default:
1233                 _DBG("[APP %d]     AUL event: %d", getpid(), type);
1234                 /* do nothing */
1235                 break;
1236         }
1237
1238         return 0;
1239 }
1240
1241 EXPORT_API int appcore_base_on_create(void)
1242 {
1243         int r;
1244
1245         r = aul_launch_init(__context.ops.receive, NULL);
1246         if (r < 0) {
1247                 _ERR("Aul init failed: %d", r);
1248                 return -1;
1249         }
1250
1251         r = aul_launch_argv_handler(__context.argc, __context.argv);
1252         if (r < 0) {
1253                 _ERR("Aul argv handler failed: %d", r);
1254                 return -1;
1255         }
1256
1257         return 0;
1258 }
1259
1260 EXPORT_API int appcore_base_on_control(bundle *b)
1261 {
1262         return 0;
1263 }
1264
1265 EXPORT_API int appcore_base_on_terminate()
1266 {
1267         aul_finalize();
1268
1269         return 0;
1270 }
1271
1272 EXPORT_API void appcore_base_on_set_event(enum appcore_base_event event)
1273 {
1274         switch (event) {
1275         case APPCORE_BASE_EVENT_LOW_BATTERY:
1276                 vconf_notify_key_changed(VCONFKEY_SYSMAN_BATTERY_STATUS_LOW, __on_low_battery, NULL);
1277                 break;
1278         case APPCORE_BASE_EVENT_DEVICE_ORIENTATION_CHANGED:
1279                 __register_rotation_changed_event();
1280                 break;
1281         case APPCORE_BASE_EVENT_SUSPENDED_STATE_CHANGE:
1282                 break;
1283
1284         default:
1285                 break;
1286         }
1287
1288 }
1289
1290 EXPORT_API void appcore_base_on_unset_event(enum appcore_base_event event)
1291 {
1292         switch (event) {
1293         case APPCORE_BASE_EVENT_LOW_BATTERY:
1294                 vconf_ignore_key_changed(VCONFKEY_SYSMAN_BATTERY_STATUS_LOW, __on_low_battery);
1295                 break;
1296         case APPCORE_BASE_EVENT_DEVICE_ORIENTATION_CHANGED:
1297                 __unregister_rotation_changed_event();
1298                 break;
1299         case APPCORE_BASE_EVENT_SUSPENDED_STATE_CHANGE:
1300                 break;
1301         default:
1302                 break;
1303         }
1304 }
1305
1306 EXPORT_API appcore_base_event_h appcore_base_add_event(enum appcore_base_event event,
1307                 appcore_base_event_cb cb, void *data)
1308 {
1309         appcore_base_event_node *node;
1310
1311         if (__context.dirty && !__exist_callback(event)) {
1312                 if (__context.ops.set_event)
1313                         __context.ops.set_event(event, __context.data);
1314         }
1315
1316         node = malloc(sizeof(appcore_base_event_node));
1317
1318         if (node == NULL)
1319                 return NULL;
1320
1321         node->cb = cb;
1322         node->type = event;
1323         node->data = data;
1324         __events = g_list_append(__events, node);
1325
1326         return node;
1327 }
1328
1329 EXPORT_API int appcore_base_remove_event(appcore_base_event_h handle)
1330 {
1331         appcore_base_event_node *node = handle;
1332         enum appcore_base_event event;
1333
1334         if (!node || !g_list_find(__events, node))
1335                 return -1;
1336
1337         event = node->type;
1338         __events = g_list_remove(__events, node);
1339         free(node);
1340         if (__context.dirty && !__exist_callback(event)) {
1341                 if (__context.ops.unset_event)
1342                         __context.ops.unset_event(event, __context.data);
1343         }
1344
1345         return 0;
1346 }
1347
1348 EXPORT_API int appcore_base_raise_event(void *event, enum appcore_base_event type)
1349 {
1350         __invoke_callback(event, type);
1351         return 0;
1352 }
1353
1354 EXPORT_API int appcore_base_get_rotation_state(enum appcore_base_rm *curr)
1355 {
1356         if (curr == NULL)
1357                 return -1;
1358
1359         if (!__rotation.ref)
1360                 return -1;
1361
1362         *curr = __rotation.rm;
1363         return 0;
1364 }
1365
1366 EXPORT_API bool appcore_base_is_bg_allowed(void)
1367 {
1368         return __context.allowed_bg;
1369 }
1370
1371 EXPORT_API bool appcore_base_is_suspended(void)
1372 {
1373         return __context.suspended_state;
1374 }
1375
1376 EXPORT_API void appcore_base_toggle_suspended_state(void)
1377 {
1378         __context.suspended_state ^= __context.suspended_state;
1379 }
1380
1381 EXPORT_API void appcore_base_exit(void)
1382 {
1383         if (__context.ops.exit)
1384                 __context.ops.exit(__context.data);
1385 }
1386
1387 EXPORT_API void appcore_base_add_suspend_timer(void)
1388 {
1389         __add_suspend_timer();
1390 }
1391
1392 EXPORT_API void appcore_base_remove_suspend_timer(void)
1393 {
1394         __remove_suspend_timer();
1395 }
1396
1397 static int __on_receive(aul_type type, bundle *b, void *data)
1398 {
1399         return appcore_base_on_receive(type, b);
1400 }
1401
1402 static int __on_create(void *data)
1403 {
1404         return appcore_base_on_create();
1405 }
1406
1407 static int __on_control(bundle *b, void *data)
1408 {
1409         return appcore_base_on_control(b);
1410 }
1411
1412 static int __on_terminate(void *data)
1413 {
1414         return appcore_base_on_terminate();
1415 }
1416
1417 static int __on_set_i18n(void *data)
1418 {
1419         return appcore_base_on_set_i18n();
1420 }
1421
1422 static void __on_set_event(enum appcore_base_event event, void *data)
1423 {
1424         return appcore_base_on_set_event(event);
1425 }
1426
1427 static void __on_unset_event(enum appcore_base_event event, void *data)
1428 {
1429         return appcore_base_on_unset_event(event);
1430 }
1431
1432 EXPORT_API appcore_base_ops appcore_base_get_default_ops(void)
1433 {
1434         appcore_base_ops ops;
1435
1436         ops.create = __on_create;
1437         ops.control = __on_control;
1438         ops.terminate = __on_terminate;
1439         ops.receive = __on_receive;
1440         ops.set_i18n = __on_set_i18n;
1441         ops.init = NULL;
1442         ops.finish = NULL;
1443         ops.run = NULL;
1444         ops.exit = NULL;
1445         ops.set_event = __on_set_event;
1446         ops.unset_event = __on_unset_event;
1447
1448         return ops;
1449 }