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
  42 #include "appcore_base.h"
  43 #include "appcore_base_private.h"
  44 #include "appcore_watchdog.h"
  45
  46 #define PATH_LOCALE "locale"
  47 #define RESOURCED_FREEZER_PATH "/Org/Tizen/ResourceD/Freezer"
  48 #define RESOURCED_FREEZER_INTERFACE "org.tizen.resourced.freezer"
  49 #define RESOURCED_FREEZER_SIGNAL "FreezerState"
  50 #define SQLITE_FLUSH_MAX (1024 * 1024)
  51
  52 typedef struct _appcore_base_context {
  53         appcore_base_ops ops;
  54         void *data;
  55         int argc;
  56         char **argv;
  57         unsigned int tid;
  58         bool suspended_state;
  59         bool allowed_bg;
  60         bool dirty;
  61         guint sid;
  62         int display_state;
  63 } appcore_base_context;
  64
  65 typedef struct _appcore_base_event_node {
  66         int type;
  67         appcore_base_event_cb cb;
  68         void *data;
  69 } appcore_base_event_node;
  70
  71 typedef struct _appcore_base_rotation {
  72         int conn;
  73         int lock;
  74         int ref;
  75         enum appcore_base_rm rm;
  76         int charger_status;
  77         bool initialized;
  78 } appcore_base_rotation;
  79
  80 struct lang_info_s {
  81         char *parent;
  82         GList *list;
  83 };
  84
  85 static appcore_base_context __context;
  86 static GList *__events;
  87 static GDBusConnection *__bus;
  88 static guint __suspend_dbus_handler_initialized;
  89 static char *__locale_dir;
  90 static appcore_base_rotation __rotation;
  91
  92 appcore_base_tizen_profile_t appcore_base_get_tizen_profile(void)
  93 {
  94         static appcore_base_tizen_profile_t profile = TIZEN_PROFILE_UNKNOWN;
  95         char *profile_name = NULL;
  96
  97         if (__builtin_expect(profile != TIZEN_PROFILE_UNKNOWN, 1))
  98                 return profile;
  99
 100         system_info_get_platform_string("http://tizen.org/feature/profile",
 101                         &profile_name);
 102         if (profile_name == NULL)
 103                 return profile;
 104
 105         switch (*profile_name) {
 106         case 'm':
 107         case 'M':
 108                 profile = TIZEN_PROFILE_MOBILE;
 109                 break;
 110         case 'w':
 111         case 'W':
 112                 profile = TIZEN_PROFILE_WEARABLE;
 113                 break;
 114         case 't':
 115         case 'T':
 116                 profile = TIZEN_PROFILE_TV;
 117                 break;
 118         case 'i':
 119         case 'I':
 120                 profile = TIZEN_PROFILE_IVI;
 121                 break;
 122         default:
 123                 profile = TIZEN_PROFILE_COMMON;
 124                 break;
 125         }
 126         free(profile_name);
 127
 128         return profile;
 129 }
 130
 131
 132 static void __invoke_callback(void *event, int type)
 133 {
 134         GList *iter = __events;
 135
 136         while (iter) {
 137                 appcore_base_event_node *node = iter->data;
 138
 139                 if (node->type == type)
 140                         node->cb(event, node->data);
 141                 iter = g_list_next(iter);
 142         }
 143 }
 144
 145 static bool __exist_callback(int type)
 146 {
 147         GList *iter = __events;
 148
 149         while (iter) {
 150                 appcore_base_event_node *node = iter->data;
 151
 152                 if (node->type == type)
 153                         return true;
 154
 155                 iter = g_list_next(iter);
 156         }
 157
 158         return false;
 159 }
 160
 161 static enum appcore_base_rm __get_rm(sensor_data_t data)
 162 {
 163         int event;
 164         enum appcore_base_rm rm;
 165
 166         if (data.value_count <= 0) {
 167                 _ERR("Failed to get sensor data");
 168                 return APPCORE_BASE_RM_UNKNOWN;
 169         }
 170
 171         event = data.values[0];
 172         switch (event) {
 173         case AUTO_ROTATION_DEGREE_0:
 174                 rm = APPCORE_BASE_RM_PORTRAIT_NORMAL;
 175                 break;
 176         case AUTO_ROTATION_DEGREE_90:
 177                 rm = APPCORE_BASE_RM_LANDSCAPE_NORMAL;
 178                 break;
 179         case AUTO_ROTATION_DEGREE_180:
 180                 rm = APPCORE_BASE_RM_PORTRAIT_REVERSE;
 181                 break;
 182         case AUTO_ROTATION_DEGREE_270:
 183                 rm = APPCORE_BASE_RM_LANDSCAPE_REVERSE;
 184                 break;
 185         default:
 186                 rm = APPCORE_BASE_RM_UNKNOWN;
 187                 break;
 188         }
 189
 190         return rm;
 191 }
 192
 193 static void __lock_cb(keynode_t *node, void *user_data)
 194 {
 195         bool r;
 196         sensor_data_t data;
 197         enum appcore_base_rm rm;
 198
 199         __rotation.lock = !vconf_keynode_get_bool(node);
 200         if (__rotation.lock) {
 201                 _DBG("Rotation locked");
 202                 rm = APPCORE_BASE_RM_PORTRAIT_NORMAL;
 203         } else {
 204                 _DBG("Rotation unlocked");
 205                 r = sensord_get_data(__rotation.conn, AUTO_ROTATION_SENSOR, &data);
 206                 if (!r) {
 207                         _ERR("Failed to get sensor data");
 208                         return;
 209                 }
 210
 211                 rm = __get_rm(data);
 212                 if (rm == APPCORE_BASE_RM_UNKNOWN) {
 213                         _ERR("Unknown mode");
 214                         return;
 215                 }
 216         }
 217
 218         if (__rotation.rm == rm)
 219                 return;
 220
 221         _DBG("Rotation: %d -> %d", __rotation.rm, rm);
 222         __rotation.rm = rm;
 223         __invoke_callback((void *)&__rotation.rm, APPCORE_BASE_EVENT_DEVICE_ORIENTATION_CHANGED);
 224 }
 225
 226 static void __auto_rotation_changed_cb(sensor_t sensor, unsigned int event_type,
 227                 sensor_data_t *data, void *user_data)
 228 {
 229         enum appcore_base_rm rm;
 230
 231         if (data == NULL)
 232                 return;
 233
 234         if (__rotation.lock)
 235                 return;
 236
 237         if (event_type != AUTO_ROTATION_CHANGE_STATE_EVENT)
 238                 return;
 239
 240         rm = __get_rm(*data);
 241         if (rm == APPCORE_BASE_RM_UNKNOWN) {
 242                 _ERR("Unknown mode");
 243                 return;
 244         }
 245
 246         _DBG("Rotation: %d -> %d", __rotation.rm, rm);
 247         __rotation.rm = rm;
 248         __invoke_callback((void *)&__rotation.rm, APPCORE_BASE_EVENT_DEVICE_ORIENTATION_CHANGED);
 249 }
 250
 251 static void __fini_rotation(void)
 252 {
 253         if (!__rotation.initialized)
 254                 return;
 255
 256         vconf_ignore_key_changed(VCONFKEY_SETAPPL_AUTO_ROTATE_SCREEN_BOOL, __lock_cb);
 257         sensord_unregister_event(__rotation.conn, AUTO_ROTATION_CHANGE_STATE_EVENT);
 258         sensord_stop(__rotation.conn);
 259         sensord_disconnect(__rotation.conn);
 260
 261         __rotation.lock = 0;
 262         __rotation.initialized = false;
 263 }
 264
 265 static void __init_rotation(void)
 266 {
 267         sensor_t sensor;
 268         int lock;
 269         bool r;
 270
 271         if (__rotation.initialized)
 272                 return;
 273
 274         sensor = sensord_get_sensor(AUTO_ROTATION_SENSOR);
 275         __rotation.conn = sensord_connect(sensor);
 276         if (__rotation.conn < 0) {
 277                 _ERR("Failed to connect sensord");
 278                 return;
 279         }
 280
 281         r = sensord_register_event(__rotation.conn, AUTO_ROTATION_CHANGE_STATE_EVENT,
 282                         SENSOR_INTERVAL_NORMAL, 0, __auto_rotation_changed_cb, NULL);
 283         if (!r) {
 284                 _ERR("Failed to register auto rotation change event");
 285                 sensord_disconnect(__rotation.conn);
 286                 return;
 287         }
 288
 289         r = sensord_start(__rotation.conn, 0);
 290         if (!r) {
 291                 _ERR("Failed to start sensord");
 292                 sensord_unregister_event(__rotation.conn, AUTO_ROTATION_CHANGE_STATE_EVENT);
 293                 sensord_disconnect(__rotation.conn);
 294                 return;
 295         }
 296
 297         lock = 0;
 298         vconf_get_bool(VCONFKEY_SETAPPL_AUTO_ROTATE_SCREEN_BOOL, &lock);
 299         vconf_notify_key_changed(VCONFKEY_SETAPPL_AUTO_ROTATE_SCREEN_BOOL, __lock_cb, NULL);
 300
 301         __rotation.lock = !lock;
 302         __rotation.initialized = true;
 303 }
 304
 305 static void __charger_status_changed_cb(keynode_t *keynode, void *user_data)
 306 {
 307         if (TIZEN_FEATURE_CHARGER_STATUS) {
 308                 __rotation.charger_status = vconf_keynode_get_int(keynode);
 309                 if (__rotation.charger_status) {
 310                         if (__rotation.ref)
 311                                 __init_rotation();
 312                 } else {
 313                         if (__rotation.ref)
 314                                 __fini_rotation();
 315                 }
 316                 _DBG("charger status(%d)", __rotation.charger_status);
 317         }
 318 }
 319
 320 static void __unregister_rotation_changed_event(void)
 321 {
 322         if (!__rotation.ref)
 323                 return;
 324
 325         __rotation.ref--;
 326         if (__rotation.ref > 1)
 327                 return;
 328
 329         __fini_rotation();
 330         if (TIZEN_FEATURE_CHARGER_STATUS) {
 331                 vconf_ignore_key_changed(VCONFKEY_SYSMAN_CHARGER_STATUS,
 332                                 __charger_status_changed_cb);
 333         }
 334
 335         __rotation.ref = 0;
 336 }
 337
 338 static void __register_rotation_changed_event(void)
 339 {
 340         if (__rotation.ref) {
 341                 __rotation.ref++;
 342                 return;
 343         }
 344
 345         if (TIZEN_FEATURE_CHARGER_STATUS) {
 346                 vconf_get_int(VCONFKEY_SYSMAN_CHARGER_STATUS,
 347                                 &__rotation.charger_status);
 348                 vconf_notify_key_changed(VCONFKEY_SYSMAN_CHARGER_STATUS,
 349                                 __charger_status_changed_cb, NULL);
 350                 if (__rotation.charger_status)
 351                         __init_rotation();
 352         } else {
 353                 __init_rotation();
 354         }
 355
 356         __rotation.ref++;
 357 }
 358
 359 static void __on_low_memory(keynode_t *key, void *data)
 360 {
 361         int val;
 362
 363         val = vconf_keynode_get_int(key);
 364
 365         if (val >= VCONFKEY_SYSMAN_LOW_MEMORY_SOFT_WARNING) {
 366                 __invoke_callback(&val, APPCORE_BASE_EVENT_LOW_MEMORY);
 367                 malloc_trim(0);
 368         }
 369 }
 370
 371 static void __on_low_battery(keynode_t *key, void *data)
 372 {
 373         int val;
 374
 375         val = vconf_keynode_get_int(key);
 376
 377         if (val <= VCONFKEY_SYSMAN_BAT_CRITICAL_LOW)
 378                 __invoke_callback(&val, APPCORE_BASE_EVENT_LOW_BATTERY);
 379 }
 380
 381 static void __destroy_lang_info(gpointer data)
 382 {
 383         struct lang_info_s *info = (struct lang_info_s *)data;
 384
 385         if (info == NULL)
 386                 return;
 387
 388         if (info->list)
 389                 g_list_free_full(info->list, free);
 390         if (info->parent)
 391                 free(info->parent);
 392         free(info);
 393 }
 394
 395 static struct lang_info_s *__create_lang_info(const char *lang)
 396 {
 397         struct lang_info_s *info;
 398
 399         info = calloc(1, sizeof(struct lang_info_s));
 400         if (info == NULL) {
 401                 _ERR("Out of memory");
 402                 return NULL;
 403         }
 404
 405         info->parent = strdup(lang);
 406         if (info->parent == NULL) {
 407                 _ERR("Out of memory");
 408                 free(info);
 409                 return NULL;
 410         }
 411
 412         return info;
 413 }
 414
 415 static gint __compare_langs(gconstpointer a, gconstpointer b)
 416 {
 417         if (!a || !b)
 418                 return -1;
 419
 420         return strcmp(a, b);
 421 }
 422
 423 static char *__get_string_before(const char *str, const char *delim)
 424 {
 425         char *new_str;
 426         char *dup_str;
 427         char *token;
 428
 429         dup_str = strdup(str);
 430         if (dup_str == NULL)
 431                 return NULL;
 432
 433         token = strtok(dup_str, delim);
 434         if (token == NULL) {
 435                 free(dup_str);
 436                 return NULL;
 437         }
 438
 439         new_str = strdup(token);
 440         free(dup_str);
 441
 442         return new_str;
 443 }
 444
 445 static GHashTable *__get_lang_table(void)
 446 {
 447         GHashTable *table;
 448         DIR *dp;
 449         struct dirent *dentry;
 450         char buf[PATH_MAX];
 451         struct stat stat_buf;
 452         int ret;
 453         char *parent_lang;
 454         struct lang_info_s *info;
 455
 456         if (__locale_dir == NULL || __locale_dir[0] == '\0')
 457                 return NULL;
 458
 459         table = g_hash_table_new_full(g_str_hash, g_str_equal,
 460                         NULL, __destroy_lang_info);
 461         if (table == NULL) {
 462                 _ERR("Out of memory");
 463                 return NULL;
 464         }
 465
 466         dp = opendir(__locale_dir);
 467         if (dp == NULL) {
 468                 g_hash_table_destroy(table);
 469                 return NULL;
 470         }
 471
 472         while ((dentry = readdir(dp)) != NULL) {
 473                 if (!strcmp(dentry->d_name, ".") ||
 474                                 !strcmp(dentry->d_name, ".."))
 475                         continue;
 476
 477                 snprintf(buf, sizeof(buf), "%s/%s",
 478                                 __locale_dir, dentry->d_name);
 479                 ret = stat(buf, &stat_buf);
 480                 if (ret != 0 || !S_ISDIR(stat_buf.st_mode))
 481                         continue;
 482
 483                 parent_lang = __get_string_before(dentry->d_name, "_");
 484                 if (parent_lang == NULL) {
 485                         _ERR("Out of memory");
 486                         break;
 487                 }
 488
 489                 info = g_hash_table_lookup(table, parent_lang);
 490                 if (info == NULL) {
 491                         info = __create_lang_info(parent_lang);
 492                         if (info == NULL) {
 493                                 free(parent_lang);
 494                                 break;
 495                         }
 496                         g_hash_table_insert(table, info->parent, info);
 497                 }
 498                 info->list = g_list_append(info->list, strdup(dentry->d_name));
 499                 free(parent_lang);
 500         }
 501         closedir(dp);
 502
 503         return table;
 504 }
 505
 506 static GList *__append_langs(const char *lang, GList *list, GHashTable *table)
 507 {
 508         struct lang_info_s *info;
 509         GList *found;
 510         char *parent_lang = NULL;
 511         char *extract_lang;
 512
 513         if (lang == NULL)
 514                 return list;
 515
 516         list = g_list_append(list, strdup(lang));
 517
 518         extract_lang = __get_string_before(lang, ".");
 519         if (extract_lang == NULL)
 520                 return list;
 521
 522         found = g_list_find_custom(list, extract_lang, __compare_langs);
 523         if (found) {
 524                 list = g_list_remove_link(list, found);
 525                 list = g_list_concat(list, found);
 526                 goto end;
 527         }
 528
 529         parent_lang = __get_string_before(extract_lang, "_");
 530         if (parent_lang == NULL)
 531                 goto end;
 532
 533         info = g_hash_table_lookup(table, parent_lang);
 534         if (info == NULL)
 535                 goto end;
 536
 537         found = g_list_find_custom(info->list, extract_lang, __compare_langs);
 538         if (found) {
 539                 info->list = g_list_remove_link(info->list, found);
 540                 list = g_list_concat(list, found);
 541                 goto end;
 542         }
 543
 544         found = g_list_find_custom(info->list, parent_lang, __compare_langs);
 545         if (found) {
 546                 info->list = g_list_remove_link(info->list, found);
 547                 list = g_list_concat(list, found);
 548                 goto end;
 549         }
 550
 551         found = g_list_first(info->list);
 552         if (found) {
 553                 info->list = g_list_remove_link(info->list, found);
 554                 list = g_list_concat(list, found);
 555         }
 556
 557 end:
 558         if (extract_lang)
 559                 free(extract_lang);
 560         if (parent_lang)
 561                 free(parent_lang);
 562
 563         return list;
 564 }
 565
 566 static GList *__split_language(const char *lang)
 567 {
 568         GList *list = NULL;
 569         char *dup_lang;
 570         char *token;
 571
 572         dup_lang = strdup(lang);
 573         if (dup_lang == NULL) {
 574                 _ERR("Out of memory");
 575                 return NULL;
 576         }
 577
 578         token = strtok(dup_lang, ":");
 579         while (token != NULL) {
 580                 list = g_list_append(list, strdup(token));
 581                 token = strtok(NULL, ":");
 582         }
 583         free(dup_lang);
 584
 585         return list;
 586 }
 587
 588 static GList *__append_default_langs(GList *list)
 589 {
 590         const char *langs[] = {"en_US", "en_GB", "en"};
 591         unsigned int i;
 592         GList *found;
 593
 594         for (i = 0; i < (sizeof(langs) / sizeof(langs[0])); i++) {
 595                 found = g_list_find_custom(list, langs[i], __compare_langs);
 596                 if (found == NULL)
 597                         list = g_list_append(list, strdup(langs[i]));
 598         }
 599
 600         return list;
 601 }
 602
 603 static char *__get_language(const char *lang)
 604 {
 605         GHashTable *table;
 606         GList *list;
 607         GList *lang_list = NULL;
 608         GList *iter;
 609         char *language;
 610         char buf[LINE_MAX] = {'\0'};
 611         size_t n;
 612
 613         list = __split_language(lang);
 614         if (list == NULL)
 615                 return NULL;
 616
 617         table = __get_lang_table();
 618         if (table == NULL) {
 619                 g_list_free_full(list, free);
 620                 return NULL;
 621         }
 622
 623         iter = g_list_first(list);
 624         while (iter) {
 625                 language = (char *)iter->data;
 626                 lang_list = __append_langs(language, lang_list, table);
 627                 iter = g_list_next(iter);
 628         }
 629         g_list_free_full(list, free);
 630         g_hash_table_destroy(table);
 631
 632         lang_list = __append_default_langs(lang_list);
 633         iter = g_list_first(lang_list);
 634         while (iter) {
 635                 language = (char *)iter->data;
 636                 if (language) {
 637                         if (buf[0] == '\0') {
 638                                 snprintf(buf, sizeof(buf), "%s", language);
 639                         } else {
 640                                 n = sizeof(buf) - strlen(buf) - 1;
 641                                 strncat(buf, ":", n);
 642                                 n = sizeof(buf) - strlen(buf) - 1;
 643                                 strncat(buf, language, n);
 644                         }
 645                 }
 646                 iter = g_list_next(iter);
 647         }
 648         g_list_free_full(lang_list, free);
 649
 650         return strdup(buf);
 651 }
 652
 653 static void __update_lang(void)
 654 {
 655         char *language;
 656         char *lang;
 657         char *r;
 658
 659         lang = vconf_get_str(VCONFKEY_LANGSET);
 660         if (lang) {
 661                 /* TODO: Use VCONFKEY_SETAPPL_LANGUAGES key */
 662                 language = __get_language(lang);
 663                 if (language) {
 664                         _DBG("*****language(%s)", language);
 665                         setenv("LANGUAGE", language, 1);
 666                         free(language);
 667                 } else {
 668                         setenv("LANGUAGE", lang, 1);
 669                 }
 670                 setenv("LANG", lang, 1);
 671                 setenv("LC_MESSAGES", lang, 1);
 672                 setenv("LC_ALL", lang, 1);
 673                 r = setlocale(LC_ALL, "");
 674                 if (r == NULL) {
 675                         r = setlocale(LC_ALL, "en_US.UTF-8");
 676                         if (r != NULL) {
 677                                 _DBG("*****appcore setlocale=%s\n", r);
 678                         } else {
 679                                 _DBG("*****appcore setlocale=\"C\"");
 680                                 setenv("LC_ALL", "C", 1);
 681                                 r = setlocale(LC_ALL, "");
 682                                 if (r == NULL)
 683                                         _ERR("failed to setlocale");
 684                         }
 685                 }
 686                 free(lang);
 687         }
 688 }
 689
 690 static void __update_region(void)
 691 {
 692         char *region;
 693         char *r;
 694
 695         region = vconf_get_str(VCONFKEY_REGIONFORMAT);
 696         if (region) {
 697                 setenv("LC_CTYPE", region, 1);
 698                 setenv("LC_NUMERIC", region, 1);
 699                 setenv("LC_TIME", region, 1);
 700                 setenv("LC_COLLATE", region, 1);
 701                 setenv("LC_MONETARY", region, 1);
 702                 setenv("LC_PAPER", region, 1);
 703                 setenv("LC_NAME", region, 1);
 704                 setenv("LC_ADDRESS", region, 1);
 705                 setenv("LC_TELEPHONE", region, 1);
 706                 setenv("LC_MEASUREMENT", region, 1);
 707                 setenv("LC_IDENTIFICATION", region, 1);
 708                 r = setlocale(LC_ALL, "");
 709                 if (r != NULL) {
 710                         _DBG("*****appcore setlocale=%s\n", r);
 711                 } else {
 712                         _DBG("*****appcore setlocale=\"C\"");
 713                         setenv("LC_ALL", "C", 1);
 714                         r = setlocale(LC_ALL, "");
 715                         if (r == NULL)
 716                                 _ERR("failed to setlocale");
 717                 }
 718
 719                 free(region);
 720         }
 721 }
 722
 723 static void __on_language_change(keynode_t *key, void *data)
 724 {
 725         char *val;
 726
 727         if (__context.sid) {
 728                 g_source_remove(__context.sid);
 729                 __context.sid = 0;
 730         }
 731
 732         val = vconf_keynode_get_str(key);
 733
 734         __update_lang();
 735         __invoke_callback((void *)val, APPCORE_BASE_EVENT_LANG_CHANGE);
 736 }
 737
 738 static void __on_region_change(keynode_t *key, void *data)
 739 {
 740         char *val;
 741         const char *name;
 742
 743         name = vconf_keynode_get_name(key);
 744         if (name == NULL)
 745                 return;
 746
 747         if (strcmp(name, VCONFKEY_REGIONFORMAT) &&
 748                         strcmp(name, VCONFKEY_REGIONFORMAT_TIME1224))
 749                 return;
 750
 751         val = vconf_get_str(VCONFKEY_REGIONFORMAT);
 752
 753         __update_region();
 754         __invoke_callback((void *)val, APPCORE_BASE_EVENT_REGION_CHANGE);
 755         free(val);
 756 }
 757
 758 static gboolean __invoke_lang_change(gpointer data)
 759 {
 760         const char *lang;
 761
 762         __context.sid = 0;
 763
 764         lang = getenv("LANG");
 765         if (!lang)
 766                 return G_SOURCE_REMOVE;
 767
 768         __invoke_callback((void *)lang, APPCORE_BASE_EVENT_LANG_CHANGE);
 769
 770         return G_SOURCE_REMOVE;
 771 }
 772
 773 static void __verify_language(void)
 774 {
 775         char *lang;
 776         const char *env_lang;
 777
 778         env_lang = getenv("LANG");
 779         if (!env_lang)
 780                 return;
 781
 782         lang = vconf_get_str(VCONFKEY_LANGSET);
 783         if (!lang)
 784                 return;
 785
 786         if (strcmp(env_lang, lang) != 0) {
 787                 _INFO("LANG(%s), LANGSET(%s)", env_lang, lang);
 788                 __context.sid = g_idle_add(__invoke_lang_change, NULL);
 789         }
 790
 791         free(lang);
 792 }
 793
 794 static gboolean __flush_memory(gpointer data)
 795 {
 796         int suspend = APPCORE_BASE_SUSPENDED_STATE_WILL_ENTER_SUSPEND;
 797
 798         if (__context.ops.trim_memory)
 799                 __context.ops.trim_memory(__context.data);
 800
 801         __context.tid = 0;
 802
 803         if (!__context.allowed_bg && !__context.suspended_state) {
 804                 _DBG("[__SUSPEND__] flush case");
 805                 __invoke_callback((void *)&suspend, APPCORE_BASE_EVENT_SUSPENDED_STATE_CHANGE);
 806                 __context.suspended_state = true;
 807         }
 808
 809         return FALSE;
 810 }
 811
 812 static void __add_suspend_timer(void)
 813 {
 814         __context.tid = g_timeout_add_seconds(5, __flush_memory, NULL);
 815 }
 816
 817 static void __remove_suspend_timer(void)
 818 {
 819         if (__context.tid > 0) {
 820                 g_source_remove(__context.tid);
 821                 __context.tid = 0;
 822         }
 823 }
 824
 825 static void __on_receive_suspend_signal(GDBusConnection *connection,
 826                                         const gchar *sender_name,
 827                                         const gchar *object_path,
 828                                         const gchar *interface_name,
 829                                         const gchar *signal_name,
 830                                         GVariant *parameters,
 831                                         gpointer user_data)
 832 {
 833         gint suspend = APPCORE_BASE_SUSPENDED_STATE_DID_EXIT_FROM_SUSPEND;
 834         gint pid;
 835         gint status;
 836
 837         if (g_strcmp0(signal_name, RESOURCED_FREEZER_SIGNAL) == 0) {
 838                 g_variant_get(parameters, "(ii)", &status, &pid);
 839                 if (pid == getpid() && status == 0) {
 840                         if (!__context.allowed_bg && __context.suspended_state) {
 841                                 __remove_suspend_timer();
 842                                 __invoke_callback((void *)&suspend, APPCORE_BASE_EVENT_SUSPENDED_STATE_CHANGE);
 843                                 __context.suspended_state = false;
 844                                 __add_suspend_timer();
 845                         }
 846                 }
 847         }
 848 }
 849
 850 static int __init_suspend_dbus_handler(void)
 851 {
 852         GError *err = NULL;
 853
 854         if (__suspend_dbus_handler_initialized)
 855                 return 0;
 856
 857         if (!__bus) {
 858                 __bus = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &err);
 859                 if (!__bus) {
 860                         _ERR("Failed to connect to the D-BUS daemon: %s",
 861                                                 err->message);
 862                         g_error_free(err);
 863                         return -1;
 864                 }
 865         }
 866
 867         __suspend_dbus_handler_initialized = g_dbus_connection_signal_subscribe(
 868                                                 __bus,
 869                                                 NULL,
 870                                                 RESOURCED_FREEZER_INTERFACE,
 871                                                 RESOURCED_FREEZER_SIGNAL,
 872                                                 RESOURCED_FREEZER_PATH,
 873                                                 NULL,
 874                                                 G_DBUS_SIGNAL_FLAGS_NONE,
 875                                                 __on_receive_suspend_signal,
 876                                                 NULL,
 877                                                 NULL);
 878         if (__suspend_dbus_handler_initialized == 0) {
 879                 _ERR("g_dbus_connection_signal_subscribe() is failed.");
 880                 return -1;
 881         }
 882
 883         _DBG("[__SUSPEND__] suspend signal initialized");
 884
 885         return 0;
 886 }
 887
 888 static void __fini_suspend_dbus_handler(void)
 889 {
 890         if (__bus == NULL)
 891                 return;
 892
 893         if (__suspend_dbus_handler_initialized) {
 894                 g_dbus_connection_signal_unsubscribe(__bus,
 895                                 __suspend_dbus_handler_initialized);
 896                 __suspend_dbus_handler_initialized = 0;
 897         }
 898
 899         g_object_unref(__bus);
 900         __bus = NULL;
 901 }
 902
 903 static gboolean __init_suspend(gpointer data)
 904 {
 905         __init_suspend_dbus_handler();
 906         return G_SOURCE_REMOVE;
 907 }
 908
 909 static int __get_locale_resource_dir(char *locale_dir, int size)
 910 {
 911         const char *res_path;
 912
 913         res_path = aul_get_app_resource_path();
 914         if (res_path == NULL) {
 915                 _ERR("Failed to get resource path");
 916                 return -1;
 917         }
 918
 919         snprintf(locale_dir, size, "%s" PATH_LOCALE, res_path);
 920         if (access(locale_dir, R_OK) != 0)
 921                 _DBG("%s does not exist", locale_dir);
 922
 923         return 0;
 924 }
 925
 926 static int __get_app_name(const char *appid, char **name)
 927 {
 928         char *name_token = NULL;
 929
 930         if (appid == NULL)
 931                 return -1;
 932
 933         /* com.vendor.name -> name */
 934         name_token = strrchr(appid, '.');
 935         if (name_token == NULL)
 936                 return -1;
 937
 938         name_token++;
 939
 940         *name = strdup(name_token);
 941         if (*name == NULL)
 942                 return -1;
 943
 944         return 0;
 945 }
 946
 947 static int __set_i18n(const char *domain, const char *dir)
 948 {
 949         char *r;
 950
 951         if (domain == NULL) {
 952                 errno = EINVAL;
 953                 return -1;
 954         }
 955
 956         if (dir) {
 957                 if (__locale_dir)
 958                         free(__locale_dir);
 959                 __locale_dir = strdup(dir);
 960         }
 961
 962         __update_lang();
 963         __update_region();
 964
 965         r = setlocale(LC_ALL, "");
 966         /* if locale is not set properly, try to set "en_US" again */
 967         if (r == NULL) {
 968                 r = setlocale(LC_ALL, "en_US.UTF-8");
 969                 if (r != NULL)
 970                         _DBG("*****appcore setlocale=%s\n", r);
 971         }
 972         if (r == NULL) {
 973                 _ERR("appcore: setlocale() error");
 974                 _DBG("*****appcore setlocale=\"C\"");
 975                 setenv("LC_ALL", "C", 1);
 976                 r = setlocale(LC_ALL, "");
 977                 if (r == NULL)
 978                         _ERR("failed to setlocale");
 979         }
 980
 981         r = bindtextdomain(domain, dir);
 982         if (r == NULL)
 983                 _ERR("appcore: bindtextdomain() error");
 984
 985         r = textdomain(domain);
 986         if (r == NULL)
 987                 _ERR("appcore: textdomain() error");
 988
 989         return 0;
 990 }
 991
 992 EXPORT_API int appcore_base_on_set_i18n(void)
 993 {
 994         int r;
 995         char locale_dir[PATH_MAX];
 996         char appid[PATH_MAX];
 997         char *name = NULL;
 998
 999         r = aul_app_get_appid_bypid(getpid(), appid, PATH_MAX);
1000         if (r < 0) {
1001                 _ERR("Failed to get application ID - pid(%d)", getpid());
1002                 return -1;
1003         }
1004
1005         r = __get_app_name(appid, &name);
1006         if (r < 0)
1007                 return -1;
1008
1009         r = __get_locale_resource_dir(locale_dir, sizeof(locale_dir));
1010         if (r < 0) {
1011                 free(name);
1012                 return -1;
1013         }
1014
1015         r = __set_i18n(name, locale_dir);
1016         if (r < 0) {
1017                 free(name);
1018                 return -1;
1019         }
1020
1021         free(name);
1022
1023         return 0;
1024 }
1025
1026 EXPORT_API int appcore_base_set_i18n(const char *domain_name, const char *dir_name)
1027 {
1028         return __set_i18n(domain_name, dir_name);
1029 }
1030
1031 static void __set_default_events(void)
1032 {
1033         int r;
1034
1035         vconf_notify_key_changed(VCONFKEY_LANGSET, __on_language_change, NULL);
1036         r = vconf_notify_key_changed(VCONFKEY_REGIONFORMAT, __on_region_change, NULL);
1037         if (r == 0)
1038                 vconf_notify_key_changed(VCONFKEY_REGIONFORMAT_TIME1224, __on_region_change, NULL);
1039         vconf_notify_key_changed(VCONFKEY_SYSMAN_LOW_MEMORY, __on_low_memory, NULL);
1040 }
1041
1042 static void __unset_default_events(void)
1043 {
1044         int r;
1045
1046         vconf_ignore_key_changed(VCONFKEY_LANGSET, __on_language_change);
1047         r = vconf_ignore_key_changed(VCONFKEY_REGIONFORMAT, __on_region_change);
1048         if (r == 0)
1049                 vconf_ignore_key_changed(VCONFKEY_REGIONFORMAT_TIME1224, __on_region_change);
1050         vconf_ignore_key_changed(VCONFKEY_SYSMAN_LOW_MEMORY, __on_low_memory);
1051 }
1052
1053 EXPORT_API int appcore_base_init(appcore_base_ops ops, int argc, char **argv, void *data)
1054 {
1055         int i;
1056         int r;
1057
1058         __context.ops = ops;
1059         __context.argc = argc;
1060         __context.argv = argv;
1061         __context.data = data;
1062         __context.tid = 0;
1063         __context.suspended_state = false;
1064         __context.allowed_bg = false;
1065
1066         if (__context.ops.init)
1067                 __context.ops.init(argc, argv, data);
1068
1069         if (TIZEN_FEATURE_BACKGROUND_MANAGEMENT)
1070                 g_idle_add(__init_suspend, NULL);
1071
1072         if (!__context.dirty) {
1073                 __context.dirty = true;
1074
1075                 for (i = APPCORE_BASE_EVENT_START + 1; i < APPCORE_BASE_EVENT_MAX; i++) {
1076                         if (__exist_callback(i)) {
1077                                 if (__context.ops.set_event)
1078                                         __context.ops.set_event(i, __context.data);
1079                         }
1080                 }
1081         }
1082
1083         __verify_language();
1084         __set_default_events();
1085         if (__context.ops.set_i18n)
1086                 __context.ops.set_i18n(__context.data);
1087
1088         if (__context.ops.create) {
1089                 traceBegin(TTRACE_TAG_APPLICATION_MANAGER, "APPCORE:CREATE");
1090                 r = __context.ops.create(__context.data);
1091                 traceEnd(TTRACE_TAG_APPLICATION_MANAGER);
1092                 if (r < 0) {
1093                         aul_status_update(STATUS_DYING);
1094                         return 0;
1095                 }
1096         }
1097
1098         if (__context.ops.run)
1099                 __context.ops.run(__context.data);
1100
1101         return 0;
1102 }
1103
1104 EXPORT_API void appcore_base_fini(void)
1105 {
1106         int i;
1107
1108         aul_status_update(STATUS_DYING);
1109         appcore_watchdog_disable();
1110         if (__context.ops.terminate) {
1111                 traceBegin(TTRACE_TAG_APPLICATION_MANAGER, "APPCORE:TERMINATE");
1112                 __context.ops.terminate(__context.data);
1113                 traceEnd(TTRACE_TAG_APPLICATION_MANAGER);
1114         }
1115
1116         for (i = APPCORE_BASE_EVENT_START + 1; i < APPCORE_BASE_EVENT_MAX; i++) {
1117                 if (__exist_callback(i)) {
1118                         if (__context.ops.unset_event)
1119                                 __context.ops.unset_event(i, __context.data);
1120                 }
1121         }
1122
1123         __unset_default_events();
1124
1125         if (__context.sid) {
1126                 g_source_remove(__context.sid);
1127                 __context.sid = 0;
1128         }
1129
1130         g_list_free_full(__events, free);
1131         __events = NULL;
1132
1133         if (TIZEN_FEATURE_BACKGROUND_MANAGEMENT)
1134                 __fini_suspend_dbus_handler();
1135
1136         if (__locale_dir) {
1137                 free(__locale_dir);
1138                 __locale_dir = NULL;
1139         }
1140
1141         __context.dirty = false;
1142
1143         if (__context.ops.finish)
1144                 __context.ops.finish();
1145 }
1146
1147 EXPORT_API int appcore_base_flush_memory(void)
1148 {
1149         if (__context.ops.trim_memory)
1150                 __context.ops.trim_memory(__context.data);
1151
1152         return 0;
1153 }
1154
1155 EXPORT_API int appcore_base_on_receive(aul_type type, bundle *b)
1156 {
1157         const char *bg;
1158         int dummy = 0;
1159
1160         switch (type) {
1161         case AUL_START:
1162                 _DBG("[APP %d]     AUL event: AUL_START", getpid());
1163                 if (TIZEN_FEATURE_BACKGROUND_MANAGEMENT) {
1164                         bg = bundle_get_val(b, AUL_K_ALLOWED_BG);
1165                         if (bg && !strcmp(bg, "ALLOWED_BG")) {
1166                                 _DBG("[__SUSPEND__] allowed background");
1167                                 __context.allowed_bg = true;
1168                                 __remove_suspend_timer();
1169                         }
1170                 }
1171
1172                 if (__context.ops.control) {
1173                         traceBegin(TTRACE_TAG_APPLICATION_MANAGER, "APPCORE:RESET");
1174                         __context.ops.control(b, __context.data);
1175                         traceEnd(TTRACE_TAG_APPLICATION_MANAGER);
1176                 }
1177                 break;
1178         case AUL_RESUME:
1179                 _DBG("[APP %d]     AUL event: AUL_RESUME", getpid());
1180                 if (TIZEN_FEATURE_BACKGROUND_MANAGEMENT) {
1181                         bg = bundle_get_val(b, AUL_K_ALLOWED_BG);
1182                         if (bg && !strcmp(bg, "ALLOWED_BG")) {
1183                                 _DBG("[__SUSPEND__] allowed background");
1184                                 __context.allowed_bg = true;
1185                                 __remove_suspend_timer();
1186                         }
1187                 }
1188                 break;
1189         case AUL_TERMINATE:
1190                 _DBG("[APP %d]     AUL event: AUL_TERMINATE", getpid());
1191                 aul_status_update(STATUS_DYING);
1192                 if (!__context.allowed_bg)
1193                         __remove_suspend_timer();
1194
1195                 if (__context.ops.exit)
1196                         __context.ops.exit(__context.data);
1197                 break;
1198         case AUL_TERMINATE_BGAPP:
1199                 _DBG("[APP %d]     AUL event: AUL_TERMINATE_BGAPP", getpid());
1200                 if (!__context.allowed_bg)
1201                         __remove_suspend_timer();
1202                 break;
1203         case AUL_WAKE:
1204                 _DBG("[APP %d]     AUL event: AUL_WAKE", getpid());
1205                 if (TIZEN_FEATURE_BACKGROUND_MANAGEMENT) {
1206                         if (!__context.allowed_bg &&
1207                                         __context.suspended_state) {
1208                                 int suspend = APPCORE_BASE_SUSPENDED_STATE_DID_EXIT_FROM_SUSPEND;
1209                                 __remove_suspend_timer();
1210                                 __invoke_callback((void *)&suspend, APPCORE_BASE_EVENT_SUSPENDED_STATE_CHANGE);
1211                                 __context.suspended_state = false;
1212                         }
1213                 }
1214                 break;
1215         case AUL_SUSPEND:
1216                 _DBG("[APP %d]     AUL event: AUL_SUSPEND", getpid());
1217                 if (TIZEN_FEATURE_BACKGROUND_MANAGEMENT) {
1218                         if (!__context.allowed_bg &&
1219                                         !__context.suspended_state) {
1220                                 __remove_suspend_timer();
1221                                 __flush_memory(NULL);
1222                         }
1223                 }
1224                 break;
1225         case AUL_UPDATE_REQUESTED:
1226                 _DBG("[APP %d]     AUL event: AUL_UPDATE_REQUESTED", getpid());
1227                 __invoke_callback((void *)&dummy, APPCORE_BASE_EVENT_UPDATE_REQUESTED);
1228                 break;
1229         default:
1230                 _DBG("[APP %d]     AUL event: %d", getpid(), type);
1231                 /* do nothing */
1232                 break;
1233         }
1234
1235         return 0;
1236 }
1237
1238 EXPORT_API int appcore_base_on_create(void)
1239 {
1240         int r;
1241
1242         r = aul_launch_init(__context.ops.receive, NULL);
1243         if (r < 0) {
1244                 _ERR("Aul init failed: %d", r);
1245                 return -1;
1246         }
1247
1248         r = aul_launch_argv_handler(__context.argc, __context.argv);
1249         if (r < 0) {
1250                 _ERR("Aul argv handler failed: %d", r);
1251                 return -1;
1252         }
1253
1254         return 0;
1255 }
1256
1257 EXPORT_API int appcore_base_on_control(bundle *b)
1258 {
1259         return 0;
1260 }
1261
1262 EXPORT_API int appcore_base_on_terminate()
1263 {
1264         aul_finalize();
1265
1266         return 0;
1267 }
1268
1269 EXPORT_API void appcore_base_on_set_event(enum appcore_base_event event)
1270 {
1271         switch (event) {
1272         case APPCORE_BASE_EVENT_LOW_BATTERY:
1273                 vconf_notify_key_changed(VCONFKEY_SYSMAN_BATTERY_STATUS_LOW, __on_low_battery, NULL);
1274                 break;
1275         case APPCORE_BASE_EVENT_DEVICE_ORIENTATION_CHANGED:
1276                 __register_rotation_changed_event();
1277                 break;
1278         case APPCORE_BASE_EVENT_SUSPENDED_STATE_CHANGE:
1279                 break;
1280
1281         default:
1282                 break;
1283         }
1284
1285 }
1286
1287 EXPORT_API void appcore_base_on_unset_event(enum appcore_base_event event)
1288 {
1289         switch (event) {
1290         case APPCORE_BASE_EVENT_LOW_BATTERY:
1291                 vconf_ignore_key_changed(VCONFKEY_SYSMAN_BATTERY_STATUS_LOW, __on_low_battery);
1292                 break;
1293         case APPCORE_BASE_EVENT_DEVICE_ORIENTATION_CHANGED:
1294                 __unregister_rotation_changed_event();
1295                 break;
1296         case APPCORE_BASE_EVENT_SUSPENDED_STATE_CHANGE:
1297                 break;
1298         default:
1299                 break;
1300         }
1301 }
1302
1303 EXPORT_API int appcore_base_on_trim_memory(void)
1304 {
1305         int (*sqlite3_free_heap_memory)(int);
1306
1307         sqlite3_free_heap_memory = dlsym(RTLD_DEFAULT,
1308                         "sqlite3_release_memory");
1309         if (sqlite3_free_heap_memory)
1310                 sqlite3_free_heap_memory(SQLITE_FLUSH_MAX);
1311
1312         malloc_trim(0);
1313
1314         return 0;
1315 }
1316
1317 EXPORT_API appcore_base_event_h appcore_base_add_event(enum appcore_base_event event,
1318                 appcore_base_event_cb cb, void *data)
1319 {
1320         appcore_base_event_node *node;
1321
1322         if (__context.dirty && !__exist_callback(event)) {
1323                 if (__context.ops.set_event)
1324                         __context.ops.set_event(event, __context.data);
1325         }
1326
1327         node = malloc(sizeof(appcore_base_event_node));
1328
1329         if (node == NULL)
1330                 return NULL;
1331
1332         node->cb = cb;
1333         node->type = event;
1334         node->data = data;
1335         __events = g_list_append(__events, node);
1336
1337         return node;
1338 }
1339
1340 EXPORT_API int appcore_base_remove_event(appcore_base_event_h handle)
1341 {
1342         appcore_base_event_node *node = handle;
1343         enum appcore_base_event event;
1344
1345         if (!node || !g_list_find(__events, node))
1346                 return -1;
1347
1348         event = node->type;
1349         __events = g_list_remove(__events, node);
1350         free(node);
1351         if (__context.dirty && !__exist_callback(event)) {
1352                 if (__context.ops.unset_event)
1353                         __context.ops.unset_event(event, __context.data);
1354         }
1355
1356         return 0;
1357 }
1358
1359 EXPORT_API int appcore_base_raise_event(void *event, enum appcore_base_event type)
1360 {
1361         __invoke_callback(event, type);
1362         return 0;
1363 }
1364
1365 EXPORT_API int appcore_base_get_rotation_state(enum appcore_base_rm *curr)
1366 {
1367         if (curr == NULL)
1368                 return -1;
1369
1370         if (!__rotation.ref)
1371                 return -1;
1372
1373         *curr = __rotation.rm;
1374         return 0;
1375 }
1376
1377 EXPORT_API bool appcore_base_is_bg_allowed(void)
1378 {
1379         return __context.allowed_bg;
1380 }
1381
1382 EXPORT_API bool appcore_base_is_suspended(void)
1383 {
1384         return __context.suspended_state;
1385 }
1386
1387 EXPORT_API void appcore_base_toggle_suspended_state(void)
1388 {
1389         __context.suspended_state ^= __context.suspended_state;
1390 }
1391
1392 EXPORT_API void appcore_base_exit(void)
1393 {
1394         if (__context.ops.exit)
1395                 __context.ops.exit(__context.data);
1396 }
1397
1398 EXPORT_API void appcore_base_add_suspend_timer(void)
1399 {
1400         __add_suspend_timer();
1401 }
1402
1403 EXPORT_API void appcore_base_remove_suspend_timer(void)
1404 {
1405         __remove_suspend_timer();
1406 }
1407
1408 EXPORT_API void appcore_base_set_display_state(int display_state)
1409 {
1410         __context.display_state = display_state;
1411 }
1412
1413 EXPORT_API int appcore_base_get_display_state(void)
1414 {
1415         return __context.display_state;
1416 }
1417
1418 static int __on_receive(aul_type type, bundle *b, void *data)
1419 {
1420         return appcore_base_on_receive(type, b);
1421 }
1422
1423 static int __on_create(void *data)
1424 {
1425         return appcore_base_on_create();
1426 }
1427
1428 static int __on_control(bundle *b, void *data)
1429 {
1430         return appcore_base_on_control(b);
1431 }
1432
1433 static int __on_terminate(void *data)
1434 {
1435         return appcore_base_on_terminate();
1436 }
1437
1438 static int __on_set_i18n(void *data)
1439 {
1440         return appcore_base_on_set_i18n();
1441 }
1442
1443 static void __on_set_event(enum appcore_base_event event, void *data)
1444 {
1445         appcore_base_on_set_event(event);
1446 }
1447
1448 static void __on_unset_event(enum appcore_base_event event, void *data)
1449 {
1450         appcore_base_on_unset_event(event);
1451 }
1452
1453 static void __on_trim_memory(void *data)
1454 {
1455         appcore_base_on_trim_memory();
1456 }
1457
1458 EXPORT_API appcore_base_ops appcore_base_get_default_ops(void)
1459 {
1460         appcore_base_ops ops;
1461
1462         ops.create = __on_create;
1463         ops.control = __on_control;
1464         ops.terminate = __on_terminate;
1465         ops.receive = __on_receive;
1466         ops.set_i18n = __on_set_i18n;
1467         ops.init = NULL;
1468         ops.finish = NULL;
1469         ops.run = NULL;
1470         ops.exit = NULL;
1471         ops.set_event = __on_set_event;
1472         ops.unset_event = __on_unset_event;
1473         ops.trim_memory = __on_trim_memory;
1474
1475         return ops;
1476 }