common/tts_config_mgr.c

   1 /*
   2 *  Copyright (c) 2011-2016 Samsung Electronics Co., Ltd All Rights Reserved
   3 *  Licensed under the Apache License, Version 2.0 (the "License");
   4 *  you may not use this file except in compliance with the License.
   5 *  You may obtain a copy of the License at
   6 *  http://www.apache.org/licenses/LICENSE-2.0
   7 *  Unless required by applicable law or agreed to in writing, software
   8 *  distributed under the License is distributed on an "AS IS" BASIS,
   9 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  10 *  See the License for the specific language governing permissions and
  11 *  limitations under the License.
  12 */
  13
  14 #include <dirent.h>
  15 #include <dlfcn.h>
  16 #include <dlog.h>
  17 #include <Ecore.h>
  18 #include <fcntl.h>
  19 #include <glib.h>
  20 #include <unistd.h>
  21 #include <sys/inotify.h>
  22 #include <vconf.h>
  23 #include <buxton2.h>
  24
  25 #include "tts_config_mgr.h"
  26 #include "tts_config_parser.h"
  27 #include "tts_defs.h"
  28
  29 typedef struct {
  30         int     uid;
  31         tts_config_engine_changed_cb            engine_cb;
  32         tts_config_voice_changed_cb             voice_cb;
  33         tts_config_speech_rate_changed_cb       speech_cb;
  34         tts_config_screen_reader_changed_cb     screen_cb;
  35         tts_config_pitch_changed_cb             pitch_cb;
  36         void*   user_data;
  37 } tts_config_client_s;
  38
  39 extern char* tts_tag();
  40
  41 static GSList* g_engine_list = NULL;
  42
  43 static GSList* g_config_client_list = NULL;
  44
  45 static tts_config_s* g_config_info = NULL;
  46
  47 static Ecore_Fd_Handler* g_config_fd_handler_noti = NULL;
  48 static int g_config_fd_noti;
  49 static int g_config_wd_noti;
  50
  51 /* For engine directory monitoring */
  52 typedef struct {
  53         Ecore_Fd_Handler* dir_fd_handler;
  54         int dir_fd;
  55         int dir_wd;
  56 } tts_engine_inotify_s;
  57
  58 static GList* g_ino_list = NULL;
  59
  60 int __tts_config_mgr_print_engine_info();
  61 static int __tts_config_mgr_register_engine_config_updated_event(const char* path);
  62 static int __tts_config_mgr_unregister_engine_config_updated_event();
  63
  64 int __tts_config_mgr_check_engine_is_valid(const char* engine_id)
  65 {
  66         if (NULL == engine_id) {
  67                 SLOG(LOG_ERROR, tts_tag(), "Input parameter is NULL");
  68                 return -1;
  69         }
  70
  71         GSList *iter = NULL;
  72         tts_engine_info_s *engine_info = NULL;
  73
  74         if (0 >= g_slist_length(g_engine_list)) {
  75                 SLOG(LOG_ERROR, tts_tag(), "There is no engine!!");
  76                 return -1;
  77         }
  78
  79         /* Get a first item */
  80         iter = g_slist_nth(g_engine_list, 0);
  81
  82         while (NULL != iter) {
  83                 engine_info = iter->data;
  84
  85                 if (NULL == engine_info) {
  86                         SLOG(LOG_ERROR, tts_tag(), "engine info is NULL");
  87                         return -1;
  88                 }
  89
  90                 if (0 == strcmp(engine_id, engine_info->uuid)) {
  91                         SLOG(LOG_DEBUG, tts_tag(), "Default engine is valid : %s", engine_id);
  92                         return 0;
  93                 }
  94
  95                 iter = g_slist_next(iter);
  96         }
  97
  98         /* Change default engine */
  99         iter = g_slist_nth(g_engine_list, 0);
 100         if (NULL == iter) {
 101                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] No engine in list");
 102                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
 103         }
 104
 105         engine_info = iter->data;
 106         if (NULL == g_config_info) {
 107                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Invalid engine info in list");
 108                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
 109         }
 110
 111         if (NULL != g_config_info->engine_id)   free(g_config_info->engine_id);
 112         if (NULL != g_config_info->setting)     free(g_config_info->setting);
 113
 114         g_config_info->engine_id = strdup(engine_info->uuid);
 115         g_config_info->setting = strdup(engine_info->setting);
 116
 117         SLOG(LOG_DEBUG, tts_tag(), "Default engine is changed : %s", g_config_info->engine_id);
 118
 119         /* Change is default voice */
 120         GSList *iter_voice = NULL;
 121         tts_config_voice_s* voice = NULL;
 122         bool is_valid_voice = false;
 123
 124         /* Get a first item */
 125         iter_voice = g_slist_nth(engine_info->voices, 0);
 126
 127         while (NULL != iter_voice) {
 128                 /*Get handle data from list*/
 129                 voice = iter_voice->data;
 130
 131                 if (NULL != voice) {
 132                         if (NULL != voice->language && NULL != g_config_info->language) {
 133                                 if (0 == strcmp(voice->language, g_config_info->language)) {
 134                                         if (voice->type == g_config_info->type) {
 135                                                 /* language is valid */
 136                                                 is_valid_voice = true;
 137
 138                                                 free(g_config_info->language);
 139                                                 g_config_info->language = strdup(voice->language);
 140                                                 g_config_info->type = voice->type;
 141
 142                                                 SLOG(LOG_DEBUG, tts_tag(), "Default voice is changed : lang(%s) type(%d)", voice->language, voice->type);
 143                                                 break;
 144                                         }
 145                                 }
 146                         }
 147                 }
 148
 149                 iter_voice = g_slist_next(iter_voice);
 150         }
 151
 152         if (false == is_valid_voice) {
 153                 /* Select first voice as default */
 154                 if (NULL != g_config_info->language) {
 155                         free(g_config_info->language);
 156
 157                         iter_voice = g_slist_nth(engine_info->voices, 0);
 158                         if (NULL == iter_voice) {
 159                                 SLOG(LOG_ERROR, tts_tag(), "Fail to get voice list");
 160                                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
 161                         }
 162                         voice = iter_voice->data;
 163
 164                         if (NULL == voice || NULL == voice->language) {
 165                                 SLOG(LOG_ERROR, tts_tag(), "Fail to get voice info from list");
 166                                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
 167                         }
 168
 169                         g_config_info->language = strdup(voice->language);
 170                         g_config_info->type = voice->type;
 171                         SLOG(LOG_DEBUG, tts_tag(), "Default voice is changed : lang(%s) type(%d)", voice->language, voice->type);
 172                 }
 173         }
 174
 175         if (0 != tts_parser_set_engine(g_config_info->engine_id, g_config_info->setting,
 176                 g_config_info->language, g_config_info->type)) {
 177                 SLOG(LOG_ERROR, tts_tag(), " Fail to save config");
 178                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
 179         }
 180
 181         return 0;
 182 }
 183
 184 bool __tts_config_mgr_check_lang_is_valid(const char* engine_id, const char* language, int type)
 185 {
 186         if (NULL == engine_id || NULL == language) {
 187                 SLOG(LOG_ERROR, tts_tag(), "Input parameter is NULL");
 188                 return false;
 189         }
 190
 191         GSList *iter = NULL;
 192         tts_engine_info_s *engine_info = NULL;
 193
 194         if (0 >= g_slist_length(g_engine_list)) {
 195                 SLOG(LOG_ERROR, tts_tag(), "There is no engine!!");
 196                 return false;
 197         }
 198
 199         /* Get a first item */
 200         iter = g_slist_nth(g_engine_list, 0);
 201
 202         while (NULL != iter) {
 203                 engine_info = iter->data;
 204
 205                 if (NULL == engine_info) {
 206                         SLOG(LOG_ERROR, tts_tag(), "engine info is NULL");
 207                         return false;
 208                 }
 209
 210                 if (0 != strcmp(engine_id, engine_info->uuid)) {
 211                         iter = g_slist_next(iter);
 212                         continue;
 213                 }
 214
 215                 GSList *iter_voice = NULL;
 216                 tts_config_voice_s* voice = NULL;
 217
 218                 if (g_slist_length(engine_info->voices) <= 0) {
 219                         SLOG(LOG_ERROR, tts_tag(), "There is no voice : %s", engine_info->uuid);
 220                         iter = g_slist_next(iter);
 221                         return false;
 222                 }
 223
 224                 /* Get a first item */
 225                 iter_voice = g_slist_nth(engine_info->voices, 0);
 226
 227                 int i = 1;
 228                 while (NULL != iter_voice) {
 229                         /*Get handle data from list*/
 230                         voice = iter_voice->data;
 231
 232                         if (NULL != voice) {
 233                                 if (0 == strcmp(language, voice->language)) {
 234                                         if (type == voice->type) {
 235                                                 return true;
 236                                         }
 237                                 }
 238                         }
 239
 240                         /*Get next item*/
 241                         iter_voice = g_slist_next(iter_voice);
 242                         i++;
 243                 }
 244
 245                 return false;
 246         }
 247
 248         return false;
 249 }
 250
 251 int __tts_config_mgr_select_lang(const char* engine_id, char** language, int* type)
 252 {
 253         if (NULL == engine_id || NULL == language) {
 254                 SLOG(LOG_ERROR, tts_tag(), "Input parameter is NULL");
 255                 return false;
 256         }
 257
 258         GSList *iter = NULL;
 259         tts_engine_info_s *engine_info = NULL;
 260
 261         if (0 >= g_slist_length(g_engine_list)) {
 262                 SLOG(LOG_ERROR, tts_tag(), "There is no engine!!");
 263                 return false;
 264         }
 265
 266         /* Get a first item */
 267         iter = g_slist_nth(g_engine_list, 0);
 268
 269         while (NULL != iter) {
 270                 engine_info = iter->data;
 271
 272                 if (NULL == engine_info) {
 273                         SLOG(LOG_ERROR, tts_tag(), "engine info is NULL");
 274                         return false;
 275                 }
 276
 277                 if (0 != strcmp(engine_id, engine_info->uuid)) {
 278                         iter = g_slist_next(iter);
 279                         continue;
 280                 }
 281
 282                 GSList *iter_voice = NULL;
 283                 tts_config_voice_s* voice = NULL;
 284
 285                 if (g_slist_length(engine_info->voices) <= 0) {
 286                         SLOG(LOG_ERROR, tts_tag(), "There is no voice : %s", engine_info->uuid);
 287                         return -1;
 288                 }
 289
 290                 /* Get a first item */
 291                 iter_voice = g_slist_nth(engine_info->voices, 0);
 292
 293                 while (NULL != iter_voice) {
 294                         voice = iter_voice->data;
 295                         if (NULL != voice) {
 296                                 /* Default language */
 297                                 if (0 == strcmp(TTS_BASE_LANGUAGE, voice->language)) {
 298                                         *language = strdup(voice->language);
 299                                         *type = voice->type;
 300
 301                                         SECURE_SLOG(LOG_DEBUG, tts_tag(), "Selected language(%s) type(%d)", *language, *type);
 302                                         return 0;
 303                                 }
 304                         }
 305                         iter_voice = g_slist_next(iter_voice);
 306                 }
 307
 308                 /* Not support base language */
 309                 if (NULL != voice) {
 310                         *language = strdup(voice->language);
 311                         *type = voice->type;
 312
 313                         SECURE_SLOG(LOG_DEBUG, tts_tag(), "Selected language(%s) type(%d)", *language, *type);
 314                         return 0;
 315                 }
 316                 break;
 317         }
 318
 319         return -1;
 320 }
 321
 322 Eina_Bool tts_config_mgr_inotify_event_cb(void* data, Ecore_Fd_Handler *fd_handler)
 323 {
 324         SLOG(LOG_DEBUG, tts_tag(), "===== Config changed callback event");
 325
 326         int length;
 327         struct inotify_event event;
 328         memset(&event, '\0', sizeof(struct inotify_event));
 329
 330         length = read(g_config_fd_noti, &event, sizeof(struct inotify_event));
 331         if (0 > length) {
 332                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty Inotify event");
 333                 SLOG(LOG_DEBUG, tts_tag(), "=====");
 334                 SLOG(LOG_DEBUG, tts_tag(), " ");
 335                 return ECORE_CALLBACK_DONE;
 336         }
 337
 338         if (IN_CLOSE_WRITE == event.mask) {
 339                 /* check config changed state */
 340                 char* engine = NULL;
 341                 char* setting = NULL;
 342                 char* lang = NULL;
 343                 bool auto_voice = g_config_info->auto_voice;
 344                 int voice_type = -1;
 345                 int speech_rate = -1;
 346                 int pitch = -1;
 347
 348                 GSList *iter = NULL;
 349                 tts_config_client_s* temp_client = NULL;
 350
 351                 if (0 != tts_parser_find_config_changed(&engine, &setting, &auto_voice, &lang, &voice_type, &speech_rate, &pitch))
 352                         return ECORE_CALLBACK_PASS_ON;
 353
 354                 /* engine changed */
 355                 if (NULL != engine || NULL != setting) {
 356                         if (NULL != engine) {
 357                                 if (NULL != g_config_info->engine_id)
 358                                         free(g_config_info->engine_id);
 359
 360                                 g_config_info->engine_id = strdup(engine);
 361                         }
 362                         if (NULL != setting) {
 363                                 if (NULL != g_config_info->setting)
 364                                         free(g_config_info->setting);
 365
 366                                 g_config_info->setting = strdup(setting);
 367                         }
 368
 369                         SECURE_SLOG(LOG_DEBUG, tts_tag(), "Engine change(%s)", g_config_info->engine_id);
 370
 371                         /* Call all callbacks of client*/
 372                         iter = g_slist_nth(g_config_client_list, 0);
 373
 374                         while (NULL != iter) {
 375                                 temp_client = iter->data;
 376
 377                                 if (NULL != temp_client) {
 378                                         if (NULL != temp_client->engine_cb) {
 379                                                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "Engine changed callback : uid(%d)", temp_client->uid);
 380                                                 temp_client->engine_cb(g_config_info->engine_id, g_config_info->setting,
 381                                                         g_config_info->language, g_config_info->type,
 382                                                         g_config_info->auto_voice, g_config_info->credential, temp_client->user_data);
 383                                         }
 384                                 }
 385
 386                                 iter = g_slist_next(iter);
 387                         }
 388                 }
 389
 390                 if (auto_voice != g_config_info->auto_voice) {
 391                         g_config_info->auto_voice = auto_voice;
 392                 }
 393
 394                 if (NULL != lang || -1 != voice_type) {
 395                         char* before_lang = NULL;
 396                         int before_type;
 397
 398                         before_lang = strdup(g_config_info->language);
 399                         before_type = g_config_info->type;
 400
 401                         if (NULL != lang) {
 402                                 if (NULL != g_config_info->language)
 403                                         free(g_config_info->language);
 404
 405                                 g_config_info->language = strdup(lang);
 406                         }
 407                         if (-1 != voice_type) {
 408                                 g_config_info->type = voice_type;
 409                         }
 410
 411                         SECURE_SLOG(LOG_DEBUG, tts_tag(), "Voice change(%s, %d)", g_config_info->language, g_config_info->type);
 412
 413                         /* Call all callbacks of client*/
 414                         iter = g_slist_nth(g_config_client_list, 0);
 415
 416                         while (NULL != iter) {
 417                                 temp_client = iter->data;
 418
 419                                 if (NULL != temp_client) {
 420                                         if (NULL != temp_client->voice_cb) {
 421                                                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "Voice changed callback : uid(%d)", temp_client->uid);
 422                                                 temp_client->voice_cb(before_lang, before_type,
 423                                                         g_config_info->language, g_config_info->type,
 424                                                         g_config_info->auto_voice, temp_client->user_data);
 425                                         }
 426                                 }
 427
 428                                 iter = g_slist_next(iter);
 429                         }
 430
 431                         if (NULL != before_lang) {
 432                                 free(before_lang);
 433                         }
 434                 }
 435
 436                 if (-1 != speech_rate) {
 437                         g_config_info->speech_rate = speech_rate;
 438
 439                         SECURE_SLOG(LOG_DEBUG, tts_tag(), "Speech rate change(%d)", g_config_info->speech_rate);
 440
 441                         /* Call all callbacks of client*/
 442                         iter = g_slist_nth(g_config_client_list, 0);
 443
 444                         while (NULL != iter) {
 445                                 temp_client = iter->data;
 446
 447                                 if (NULL != temp_client) {
 448                                         if (NULL != temp_client->speech_cb) {
 449                                                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "Speech rate changed callback : uid(%d)", temp_client->uid);
 450                                                 temp_client->speech_cb(g_config_info->speech_rate, temp_client->user_data);
 451                                         }
 452                                 }
 453
 454                                 iter = g_slist_next(iter);
 455                         }
 456                 }
 457
 458                 if (-1 != pitch) {
 459                         g_config_info->pitch = pitch;
 460
 461                         SECURE_SLOG(LOG_DEBUG, tts_tag(), "pitch change(%d)", g_config_info->pitch);
 462
 463                         /* Call all callbacks of client*/
 464                         iter = g_slist_nth(g_config_client_list, 0);
 465
 466                         while (NULL != iter) {
 467                                 temp_client = iter->data;
 468
 469                                 if (NULL != temp_client) {
 470                                         if (NULL != temp_client->pitch_cb) {
 471                                                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "Pitch changed callback : uid(%d)", temp_client->uid);
 472                                                 temp_client->pitch_cb(g_config_info->pitch, temp_client->user_data);
 473                                         }
 474                                 }
 475
 476                                 iter = g_slist_next(iter);
 477                         }
 478                 }
 479
 480                 if (NULL != engine)     free(engine);
 481                 if (NULL != setting)    free(setting);
 482                 if (NULL != lang)       free(lang);
 483         } else {
 484                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Undefined event");
 485         }
 486
 487         SLOG(LOG_DEBUG, tts_tag(), "=====");
 488         SLOG(LOG_DEBUG, tts_tag(), " ");
 489
 490         return ECORE_CALLBACK_PASS_ON;
 491 }
 492
 493 int __tts_config_mgr_register_config_event()
 494 {
 495         /* get file notification handler */
 496         int fd;
 497         int wd;
 498
 499         fd = inotify_init();
 500         if (fd < 0) {
 501                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail get inotify fd");
 502                 return -1;
 503         }
 504         g_config_fd_noti = fd;
 505
 506         wd = inotify_add_watch(fd, TTS_CONFIG, IN_CLOSE_WRITE);
 507         g_config_wd_noti = wd;
 508
 509         g_config_fd_handler_noti = ecore_main_fd_handler_add(fd, ECORE_FD_READ,
 510                 (Ecore_Fd_Cb)tts_config_mgr_inotify_event_cb, NULL, NULL, NULL);
 511         if (NULL == g_config_fd_handler_noti) {
 512                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to get handler_noti");
 513                 return -1;
 514         }
 515
 516         /* Set non-blocking mode of file */
 517         int value;
 518         value = fcntl(fd, F_GETFL, 0);
 519         value |= O_NONBLOCK;
 520
 521         if (0 > fcntl(fd, F_SETFL, value)) {
 522                 SLOG(LOG_WARN, tts_tag(), "[WARNING] Fail to set non-block mode");
 523         }
 524
 525         return 0;
 526 }
 527
 528 int __tts_config_mgr_unregister_config_event()
 529 {
 530         /* delete inotify variable */
 531         ecore_main_fd_handler_del(g_config_fd_handler_noti);
 532         inotify_rm_watch(g_config_fd_noti, g_config_wd_noti);
 533         close(g_config_fd_noti);
 534
 535         return 0;
 536 }
 537
 538 int __tts_config_set_auto_language()
 539 {
 540         char* value = NULL;
 541         value = vconf_get_str(TTS_LANGSET_KEY);
 542         if (NULL == value) {
 543                 SLOG(LOG_ERROR, tts_tag(), "[Config ERROR] Fail to get display language");
 544                 return -1;
 545         }
 546
 547         char temp_lang[6] = {'\0', };
 548         strncpy(temp_lang, value, 5);
 549         free(value);
 550
 551         if (true == __tts_config_mgr_check_lang_is_valid(g_config_info->engine_id, temp_lang, g_config_info->type)) {
 552                 /* tts default voice change */
 553                 if (NULL == g_config_info->language) {
 554                         SLOG(LOG_ERROR, tts_tag(), "Current config language is NULL");
 555                         return -1;
 556                 }
 557
 558                 char* before_lang = NULL;
 559                 int before_type;
 560
 561                 if (0 != tts_parser_set_voice(temp_lang, g_config_info->type)) {
 562                         SLOG(LOG_ERROR, tts_tag(), "Fail to save default voice");
 563                         return -1;
 564                 }
 565
 566                 before_lang = strdup(g_config_info->language);
 567                 before_type = g_config_info->type;
 568
 569                 free(g_config_info->language);
 570                 g_config_info->language = strdup(temp_lang);
 571
 572                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "[Config] Default voice : lang(%s) type(%d)",
 573                         g_config_info->language, g_config_info->type);
 574
 575                 GSList *iter = NULL;
 576                 tts_config_client_s* temp_client = NULL;
 577
 578                 /* Call all callbacks of client*/
 579                 iter = g_slist_nth(g_config_client_list, 0);
 580
 581                 while (NULL != iter) {
 582                         temp_client = iter->data;
 583
 584                         if (NULL != temp_client) {
 585                                 if (NULL != temp_client->voice_cb) {
 586                                         temp_client->voice_cb(before_lang, before_type,
 587                                                 g_config_info->language, g_config_info->type,
 588                                                 g_config_info->auto_voice, temp_client->user_data);
 589                                 }
 590                         }
 591
 592                         iter = g_slist_next(iter);
 593                 }
 594
 595                 if (NULL != before_lang) {
 596                         free(before_lang);
 597                 }
 598         } else {
 599                 /* Display language is not valid */
 600                 char* tmp_language = NULL;
 601                 int tmp_type = -1;
 602                 if (0 != __tts_config_mgr_select_lang(g_config_info->engine_id, &tmp_language, &tmp_type)) {
 603                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to select language");
 604                         return -1;
 605                 }
 606
 607                 if (NULL == tmp_language) {
 608                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] language is NULL");
 609                         return -1;
 610                 }
 611
 612                 if (0 != tts_parser_set_voice(tmp_language, tmp_type)) {
 613                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to save config");
 614                         return -1;
 615                 }
 616
 617                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "[Config] Default voice : lang(%s) type(%d)",
 618                         tmp_language, tmp_type);
 619
 620                 GSList *iter = NULL;
 621                 tts_config_client_s* temp_client = NULL;
 622
 623                 /* Call all callbacks of client*/
 624                 iter = g_slist_nth(g_config_client_list, 0);
 625
 626                 while (NULL != iter) {
 627                         temp_client = iter->data;
 628
 629                         if (NULL != temp_client) {
 630                                 if (NULL != temp_client->voice_cb) {
 631                                         temp_client->voice_cb(g_config_info->language, g_config_info->type,
 632                                                 tmp_language, tmp_type, g_config_info->auto_voice, temp_client->user_data);
 633                                 }
 634                         }
 635
 636                         iter = g_slist_next(iter);
 637                 }
 638
 639                 if (NULL != g_config_info->language) {
 640                         free(g_config_info->language);
 641                         g_config_info->language = strdup(tmp_language);
 642                 }
 643
 644                 g_config_info->type = tmp_type;
 645
 646                 free(tmp_language);
 647         }
 648
 649         return 0;
 650 }
 651
 652 void __tts_config_display_language_changed_cb(keynode_t *key, void *data)
 653 {
 654         if (true == g_config_info->auto_voice) {
 655                 __tts_config_set_auto_language();
 656         }
 657
 658         return;
 659 }
 660
 661 void __tts_config_screen_reader_changed_cb(keynode_t *key, void *data)
 662 {
 663         int ret;
 664         int screen_reader;
 665         ret = vconf_get_bool(TTS_ACCESSIBILITY_KEY, &screen_reader);
 666         if (0 != ret) {
 667                 SLOG(LOG_ERROR, tts_tag(), "[Config ERROR] Fail to get screen reader");
 668                 return;
 669         }
 670
 671         GSList *iter = NULL;
 672         tts_config_client_s* temp_client = NULL;
 673
 674         /* Call all callbacks of client*/
 675         iter = g_slist_nth(g_config_client_list, 0);
 676
 677         while (NULL != iter) {
 678                 temp_client = iter->data;
 679
 680                 if (NULL != temp_client) {
 681                         if (NULL != temp_client->screen_cb) {
 682                                 temp_client->screen_cb((bool)screen_reader);
 683                         }
 684                 }
 685
 686                 iter = g_slist_next(iter);
 687         }
 688 }
 689
 690 int __tts_config_release_client(int uid)
 691 {
 692         GSList *iter = NULL;
 693         tts_config_client_s* temp_client = NULL;
 694
 695         if (0 < g_slist_length(g_config_client_list)) {
 696                 /* Check uid */
 697                 iter = g_slist_nth(g_config_client_list, 0);
 698
 699                 while (NULL != iter) {
 700                         temp_client = iter->data;
 701
 702                         if (NULL != temp_client) {
 703                                 if (uid == temp_client->uid) {
 704                                         g_config_client_list = g_slist_remove(g_config_client_list, temp_client);
 705                                         free(temp_client);
 706                                         temp_client = NULL;
 707                                         break;
 708                                 }
 709                         }
 710
 711                         iter = g_slist_next(iter);
 712                 }
 713         }
 714
 715         SLOG(LOG_DEBUG, tts_tag(), "Client count (%d)", g_slist_length(g_config_client_list));
 716
 717         return g_slist_length(g_config_client_list);
 718 }
 719
 720 void __tts_config_release_engine()
 721 {
 722         GSList *iter = NULL;
 723         tts_engine_info_s *engine_info = NULL;
 724
 725         if (0 < g_slist_length(g_engine_list)) {
 726
 727                 /* Get a first item */
 728                 iter = g_slist_nth(g_engine_list, 0);
 729
 730                 while (NULL != iter) {
 731                         engine_info = iter->data;
 732
 733                         if (NULL != engine_info) {
 734                                 g_engine_list = g_slist_remove(g_engine_list, engine_info);
 735
 736                                 tts_parser_free_engine_info(engine_info);
 737                         }
 738
 739                         iter = g_slist_nth(g_engine_list, 0);
 740                 }
 741         }
 742
 743         return;
 744 }
 745
 746 int __tts_config_mgr_get_engine_info()
 747 {
 748         DIR *dp = NULL;
 749         struct dirent *dirp = NULL;
 750
 751         char filepath[512] = {'\0',};
 752         int filesize;
 753         tts_engine_info_s* info = NULL;
 754
 755         __tts_config_release_engine();
 756         g_engine_list = NULL;
 757         __tts_config_mgr_unregister_engine_config_updated_event();
 758
 759         /* Copy default info directory to download directory */
 760         dp  = opendir(TTS_DEFAULT_ENGINE_INFO);
 761         if (NULL == dp) {
 762                 SLOG(LOG_DEBUG, tts_tag(), "[CONFIG] No default directory : %s", TTS_DEFAULT_ENGINE_INFO);
 763         } else {
 764                 do {
 765                         dirp = readdir(dp);
 766
 767                         if (NULL != dirp) {
 768                                 if (!strcmp(".", dirp->d_name) || !strcmp("..", dirp->d_name))
 769                                         continue;
 770
 771                                 filesize = strlen(TTS_DEFAULT_ENGINE_INFO) + strlen(dirp->d_name) + 2;
 772                                 if (filesize >= 512) {
 773                                         SECURE_SLOG(LOG_ERROR, tts_tag(), "[CONFIG ERROR] File path is too long : %s", dirp->d_name);
 774                                         closedir(dp);
 775                                         return -1;
 776                                 }
 777
 778                                 memset(filepath, '\0', 512);
 779                                 snprintf(filepath, 512, "%s/%s", TTS_DEFAULT_ENGINE_INFO, dirp->d_name);
 780
 781                                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "[CONFIG] Filepath(%s)", filepath);
 782
 783                                 char dest[512] = {'\0',};
 784                                 snprintf(dest, 512, "%s/%s", TTS_DOWNLOAD_ENGINE_INFO, dirp->d_name);
 785
 786                                 if (0 != access(dest, F_OK)) {
 787                                         if (0 != tts_parser_copy_xml(filepath, dest)) {
 788                                                 SLOG(LOG_ERROR, tts_tag(), "[CONFIG ERROR] Fail to copy engine info");
 789                                         }
 790                                 }
 791                         }
 792                 } while (NULL != dirp);
 793
 794                 closedir(dp);
 795         }
 796
 797         /* Get engine info from default engine directory */
 798         dp  = opendir(TTS_DOWNLOAD_ENGINE_INFO);
 799         if (NULL == dp) {
 800                 SLOG(LOG_DEBUG, tts_tag(), "[CONFIG] No downloadable directory : %s", TTS_DOWNLOAD_ENGINE_INFO);
 801         } else {
 802                 do {
 803                         dirp = readdir(dp);
 804
 805                         if (NULL != dirp) {
 806                                 if (!strcmp(".", dirp->d_name) || !strcmp("..", dirp->d_name))
 807                                         continue;
 808
 809                                 filesize = strlen(TTS_DOWNLOAD_ENGINE_INFO) + strlen(dirp->d_name) + 2;
 810                                 if (filesize >= 512) {
 811                                         SECURE_SLOG(LOG_ERROR, tts_tag(), "[CONFIG ERROR] File path is too long : %s", dirp->d_name);
 812                                         closedir(dp);
 813                                         return -1;
 814                                 }
 815
 816                                 memset(filepath, '\0', 512);
 817                                 snprintf(filepath, 512, "%s/%s", TTS_DOWNLOAD_ENGINE_INFO, dirp->d_name);
 818
 819                                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "[CONFIG] Filepath(%s)", filepath);
 820
 821                                 if (0 == tts_parser_get_engine_info(filepath, &info)) {
 822                                         g_engine_list = g_slist_append(g_engine_list, info);
 823                                         if (0 != __tts_config_mgr_register_engine_config_updated_event(filepath)) {
 824                                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to register engine config updated event");
 825                                         }
 826                                 }
 827                         }
 828                 } while (NULL != dirp);
 829
 830                 closedir(dp);
 831         }
 832
 833         if (0 >= g_slist_length(g_engine_list)) {
 834                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] No engine");
 835                 return -1;
 836         }
 837
 838         return 0;
 839 }
 840
 841 static Eina_Bool __tts_config_mgr_engine_config_inotify_event_callback(void* data, Ecore_Fd_Handler *fd_handler)
 842 {
 843         SLOG(LOG_DEBUG, tts_tag(), "===== Engine config updated callback event");
 844
 845         tts_engine_inotify_s *ino = (tts_engine_inotify_s *)data;
 846         int dir_fd = ino->dir_fd;
 847
 848         int length;
 849         struct inotify_event event;
 850         memset(&event, '\0', sizeof(struct inotify_event));
 851
 852         length = read(dir_fd, &event, sizeof(struct inotify_event));
 853         if (0 > length) {
 854                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty Inotify event");
 855                 SLOG(LOG_DEBUG, tts_tag(), "=====");
 856                 SLOG(LOG_DEBUG, tts_tag(), " ");
 857                 return ECORE_CALLBACK_DONE;
 858         }
 859
 860         if (IN_CLOSE_WRITE == event.mask) {
 861                 int ret = __tts_config_mgr_get_engine_info();
 862                 if (0 != ret) {
 863                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to get engine info when config updated");
 864                 }
 865                 __tts_config_mgr_print_engine_info();
 866                 bool support = tts_config_check_default_voice_is_valid(g_config_info->language, g_config_info->type);
 867                 if (false == support) {
 868                         SLOG(LOG_DEBUG, tts_tag(), "[ERROR] Default voice is valid");
 869                         char* temp_lang = NULL;
 870                         int temp_type;
 871                         ret = __tts_config_mgr_select_lang(g_config_info->engine_id, &temp_lang, &temp_type);
 872                         if (0 != ret) {
 873                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to get voice");
 874                         }
 875
 876                         ret = tts_config_mgr_set_voice(temp_lang, temp_type);
 877                         if (0 != ret) {
 878                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to set voice");
 879                         } else {
 880                                 SLOG(LOG_DEBUG, tts_tag(), "[DEBUG] Saved default voice : lang(%s), type(%d)", g_config_info->language, g_config_info->type);
 881                         }
 882                         if (NULL != temp_lang)  free(temp_lang);
 883                 }
 884
 885                 GSList *iter = NULL;
 886                 tts_config_client_s* temp_client = NULL;
 887                 /* Call all callbacks of client*/
 888                 iter = g_slist_nth(g_config_client_list, 0);
 889
 890                 while (NULL != iter) {
 891                         temp_client = iter->data;
 892
 893                         if (NULL != temp_client) {
 894                                 if (NULL != temp_client->engine_cb) {
 895                                         SECURE_SLOG(LOG_DEBUG, tts_tag(), "Engine changed callback : uid(%d)", temp_client->uid);
 896                                         temp_client->engine_cb(g_config_info->engine_id, g_config_info->setting,
 897                                                 g_config_info->language, g_config_info->type,
 898                                                 g_config_info->auto_voice, g_config_info->credential, temp_client->user_data);
 899                                 }
 900                         }
 901
 902                         iter = g_slist_next(iter);
 903                 }
 904         } else {
 905                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Undefined event");
 906         }
 907
 908         SLOG(LOG_DEBUG, tts_tag(), "=====");
 909         SLOG(LOG_DEBUG, tts_tag(), " ");
 910
 911         return ECORE_CALLBACK_PASS_ON;
 912 }
 913
 914 static int __tts_config_mgr_register_engine_config_updated_event(const char* path)
 915 {
 916         if (NULL == path) {
 917                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Path is NULL");
 918                 return -1;
 919         }
 920
 921         /* For engine directory monitoring */
 922         tts_engine_inotify_s *ino = (tts_engine_inotify_s *)calloc(1, sizeof(tts_engine_inotify_s));
 923         if (NULL == ino) {
 924                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to allocate memory");
 925                 return -1;
 926         }
 927
 928         ino->dir_fd = inotify_init();
 929         if (ino->dir_fd < 0) {
 930                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to init inotify");
 931                 free(ino);
 932                 ino = NULL;
 933
 934                 return -1;
 935         }
 936
 937         ino->dir_wd = inotify_add_watch(ino->dir_fd, path, IN_CLOSE_WRITE);
 938         SLOG(LOG_DEBUG, tts_tag(), "Add inotify watch(%s)", path);
 939         if (ino->dir_wd < 0) {
 940                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to add watch");
 941                 free(ino);
 942                 ino = NULL;
 943                 return -1;
 944         }
 945
 946         ino->dir_fd_handler = ecore_main_fd_handler_add(ino->dir_fd, ECORE_FD_READ, (Ecore_Fd_Cb)__tts_config_mgr_engine_config_inotify_event_callback, (void *)ino, NULL, NULL);
 947         if (NULL == ino->dir_fd_handler) {
 948                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to add fd handler");
 949                 free(ino);
 950                 ino = NULL;
 951                 return -1;
 952         }
 953
 954         /* Set non-blocking mode of file */
 955         int value;
 956         value = fcntl(ino->dir_fd, F_GETFL, 0);
 957         value |= O_NONBLOCK;
 958
 959         if (0 > fcntl(ino->dir_fd, F_SETFL, value)) {
 960                 SLOG(LOG_WARN, tts_tag(), "[WARNING] Fail to set non-block mode");
 961         }
 962
 963         g_ino_list = g_list_append(g_ino_list, ino);
 964
 965         return 0;
 966 }
 967
 968 static int __tts_config_mgr_unregister_engine_config_updated_event()
 969 {
 970         /* delete all inotify variable */
 971         if (0 < g_list_length(g_ino_list)) {
 972                 GList *iter = NULL;
 973                 iter = g_list_first(g_ino_list);
 974
 975                 while (NULL != iter) {
 976                         tts_engine_inotify_s *tmp = iter->data;
 977
 978                         if (NULL != tmp) {
 979                                 ecore_main_fd_handler_del(tmp->dir_fd_handler);
 980                                 inotify_rm_watch(tmp->dir_fd, tmp->dir_wd);
 981                                 close(tmp->dir_fd);
 982
 983                                 free(tmp);
 984                         }
 985
 986                         g_ino_list = g_list_remove_link(g_ino_list, iter);
 987
 988                         iter = g_list_first(g_ino_list);
 989                 }
 990         }
 991
 992         return 0;
 993 }
 994
 995 int tts_config_mgr_initialize(int uid)
 996 {
 997         GSList *iter = NULL;
 998         int* get_uid;
 999         tts_config_client_s* temp_client = NULL;
1000
1001         /* Register uid */
1002         if (0 < g_slist_length(g_config_client_list)) {
1003                 /* Check uid */
1004                 iter = g_slist_nth(g_config_client_list, 0);
1005
1006                 while (NULL != iter) {
1007                         get_uid = iter->data;
1008
1009                         if (uid == *get_uid) {
1010                                 SECURE_SLOG(LOG_WARN, tts_tag(), "[CONFIG] uid(%d) has already registered", uid);
1011                                 return 0;
1012                         }
1013
1014                         iter = g_slist_next(iter);
1015                 }
1016
1017                 temp_client = (tts_config_client_s*)calloc(1, sizeof(tts_config_client_s));
1018                 if (NULL == temp_client) {
1019                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to allocate memory");
1020                         return TTS_CONFIG_ERROR_OUT_OF_MEMORY;
1021                 }
1022                 temp_client->uid = uid;
1023
1024                 g_config_client_list = g_slist_append(g_config_client_list, temp_client);
1025
1026                 SECURE_SLOG(LOG_WARN, tts_tag(), "[CONFIG] Add uid(%d) but config has already initialized", uid);
1027                 return 0;
1028         } else {
1029                 temp_client = (tts_config_client_s*)calloc(1, sizeof(tts_config_client_s));
1030                 if (NULL == temp_client) {
1031                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to allocate memory");
1032                         return TTS_CONFIG_ERROR_OUT_OF_MEMORY;
1033                 }
1034                 temp_client->uid = uid;
1035
1036                 g_config_client_list = g_slist_append(g_config_client_list, temp_client);
1037         }
1038
1039         if (0 != access(TTS_CONFIG_BASE, F_OK)) {
1040                 if (0 != mkdir(TTS_CONFIG_BASE, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)) {
1041                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to make directory : %s", TTS_CONFIG_BASE);
1042                         __tts_config_release_client(uid);
1043                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1044                 } else {
1045                         SLOG(LOG_DEBUG, tts_tag(), "Success to make directory : %s", TTS_CONFIG_BASE);
1046                 }
1047         }
1048
1049         if (0 != access(TTS_HOME, F_OK)) {
1050                 if (0 != mkdir(TTS_HOME, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)) {
1051                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to make directory : %s", TTS_HOME);
1052                         __tts_config_release_client(uid);
1053                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1054                 } else {
1055                         SLOG(LOG_DEBUG, tts_tag(), "Success to make directory : %s", TTS_HOME);
1056                 }
1057         }
1058
1059         if (0 != access(TTS_DOWNLOAD_BASE, F_OK)) {
1060                 if (0 != mkdir(TTS_DOWNLOAD_BASE, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)) {
1061                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to make directory : %s", TTS_DOWNLOAD_BASE);
1062                         __tts_config_release_client(uid);
1063                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1064                 } else {
1065                         SLOG(LOG_DEBUG, tts_tag(), "Success to make directory : %s", TTS_DOWNLOAD_BASE);
1066                 }
1067         }
1068
1069         if (0 != access(TTS_DOWNLOAD_ENGINE_INFO, F_OK)) {
1070                 if (0 != mkdir(TTS_DOWNLOAD_ENGINE_INFO, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)) {
1071                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to make directory : %s", TTS_DOWNLOAD_ENGINE_INFO);
1072                         __tts_config_release_client(uid);
1073                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1074                 } else {
1075                         SLOG(LOG_DEBUG, tts_tag(), "Success to make directory : %s", TTS_DOWNLOAD_ENGINE_INFO);
1076                 }
1077         }
1078
1079         if (0 != __tts_config_mgr_get_engine_info()) {
1080                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to get engine info");
1081                 __tts_config_release_client(uid);
1082                 __tts_config_release_engine();
1083                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1084         }
1085
1086         __tts_config_mgr_print_engine_info();
1087
1088         if (0 != tts_parser_load_config(&g_config_info)) {
1089                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to parse configure information");
1090                 __tts_config_release_client(uid);
1091                 __tts_config_release_engine();
1092                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1093         }
1094
1095         /* Check whether engine id is valid */
1096         if (0 != __tts_config_mgr_check_engine_is_valid(g_config_info->engine_id)) {
1097                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to get default engine");
1098                 __tts_config_release_client(uid);
1099                 __tts_config_release_engine();
1100                 tts_parser_unload_config(g_config_info);
1101                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1102         }
1103
1104         if (true == g_config_info->auto_voice) {
1105                 /* Check language with display language */
1106                 __tts_config_set_auto_language();
1107         } else {
1108                 if (false == __tts_config_mgr_check_lang_is_valid(g_config_info->engine_id, g_config_info->language, g_config_info->type)) {
1109                         /* Default language is not valid */
1110                         char* tmp_language = NULL;
1111                         int tmp_type = -1;
1112                         if (0 != __tts_config_mgr_select_lang(g_config_info->engine_id, &tmp_language, &tmp_type)) {
1113                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to select language");
1114                                 __tts_config_release_client(uid);
1115                                 __tts_config_release_engine();
1116                                 tts_parser_unload_config(g_config_info);
1117                                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1118                         }
1119
1120                         if (NULL != tmp_language) {
1121                                 if (NULL != g_config_info->language) {
1122                                         free(g_config_info->language);
1123                                         g_config_info->language = strdup(tmp_language);
1124                                 }
1125
1126                                 g_config_info->type = tmp_type;
1127
1128                                 free(tmp_language);
1129
1130                                 if (0 != tts_parser_set_voice(g_config_info->language, g_config_info->type)) {
1131                                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to save config");
1132                                         __tts_config_release_client(uid);
1133                                         __tts_config_release_engine();
1134                                         tts_parser_unload_config(g_config_info);
1135                                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1136                                 }
1137                         }
1138                 }
1139         }
1140
1141         /* print daemon config */
1142         SLOG(LOG_DEBUG, tts_tag(), "== TTS config ==");
1143         SECURE_SLOG(LOG_DEBUG, tts_tag(), " engine : %s", g_config_info->engine_id);
1144         SECURE_SLOG(LOG_DEBUG, tts_tag(), " setting : %s", g_config_info->setting);
1145         SECURE_SLOG(LOG_DEBUG, tts_tag(), " auto voice : %s", g_config_info->auto_voice ? "on" : "off");
1146         SECURE_SLOG(LOG_DEBUG, tts_tag(), " language : %s", g_config_info->language);
1147         SECURE_SLOG(LOG_DEBUG, tts_tag(), " voice type : %d", g_config_info->type);
1148         SECURE_SLOG(LOG_DEBUG, tts_tag(), " speech rate : %d", g_config_info->speech_rate);
1149         SECURE_SLOG(LOG_DEBUG, tts_tag(), " pitch : %d", g_config_info->pitch);
1150         SLOG(LOG_DEBUG, tts_tag(), "=================");
1151
1152         if (0 != __tts_config_mgr_register_config_event()) {
1153                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to register config event");
1154                 __tts_config_release_client(uid);
1155                 __tts_config_release_engine();
1156                 tts_parser_unload_config(g_config_info);
1157                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1158         }
1159
1160         /* Register to detect display language change */
1161         vconf_notify_key_changed(TTS_LANGSET_KEY, __tts_config_display_language_changed_cb, NULL);
1162         vconf_notify_key_changed(TTS_ACCESSIBILITY_KEY, __tts_config_screen_reader_changed_cb, NULL);
1163
1164         /* For engine directory monitoring */
1165         //if (0 != __tts_config_mgr_register_engine_config_updated_event()) {
1166         //      SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to register engine config updated event");
1167         //      __tts_config_release_client(uid);
1168         //      __tts_config_release_engine();
1169         //      tts_parser_unload_config(g_config_info);
1170         //      __tts_config_mgr_unregister_config_event();
1171         //      return TTS_CONFIG_ERROR_OPERATION_FAILED;
1172         //}
1173
1174         return 0;
1175 }
1176
1177 int tts_config_mgr_finalize(int uid)
1178 {
1179         if (0 < __tts_config_release_client(uid)) {
1180                 return 0;
1181         }
1182
1183         tts_config_mgr_unset_callback(uid);
1184
1185         __tts_config_release_engine();
1186
1187         tts_parser_unload_config(g_config_info);
1188
1189         __tts_config_mgr_unregister_engine_config_updated_event();
1190
1191         __tts_config_mgr_unregister_config_event();
1192
1193         vconf_ignore_key_changed(TTS_LANGSET_KEY, __tts_config_display_language_changed_cb);
1194         vconf_ignore_key_changed(TTS_ACCESSIBILITY_KEY, __tts_config_screen_reader_changed_cb);
1195
1196         return 0;
1197 }
1198
1199 int tts_config_mgr_set_callback(int uid,
1200                                 tts_config_engine_changed_cb engine_cb,
1201                                 tts_config_voice_changed_cb voice_cb,
1202                                 tts_config_speech_rate_changed_cb speech_cb,
1203                                 tts_config_pitch_changed_cb pitch_cb,
1204                                 void* user_data)
1205 {
1206         GSList *iter = NULL;
1207         tts_config_client_s* temp_client = NULL;
1208
1209         /* Call all callbacks of client*/
1210         iter = g_slist_nth(g_config_client_list, 0);
1211
1212         while (NULL != iter) {
1213                 temp_client = iter->data;
1214
1215                 if (NULL != temp_client) {
1216                         if (uid == temp_client->uid) {
1217                                 temp_client->engine_cb = engine_cb;
1218                                 temp_client->voice_cb = voice_cb;
1219                                 temp_client->speech_cb = speech_cb;
1220                                 temp_client->pitch_cb = pitch_cb;
1221                                 temp_client->user_data = user_data;
1222                         }
1223                 }
1224
1225                 iter = g_slist_next(iter);
1226         }
1227         return 0;
1228 }
1229
1230 int tts_config_mgr_unset_callback(int uid)
1231 {
1232         GSList *iter = NULL;
1233         tts_config_client_s* temp_client = NULL;
1234
1235         /* Call all callbacks of client*/
1236         iter = g_slist_nth(g_config_client_list, 0);
1237
1238         while (NULL != iter) {
1239                 temp_client = iter->data;
1240
1241                 if (NULL != temp_client) {
1242                         if (uid == temp_client->uid) {
1243                                 temp_client->engine_cb = NULL;
1244                                 temp_client->voice_cb = NULL;
1245                                 temp_client->speech_cb = NULL;
1246                                 temp_client->pitch_cb = NULL;
1247                                 temp_client->user_data = NULL;
1248                         }
1249                 }
1250
1251                 iter = g_slist_next(iter);
1252         }
1253
1254         return 0;
1255 }
1256
1257 int tts_config_set_screen_reader_callback(int uid, tts_config_screen_reader_changed_cb callback)
1258 {
1259         if (NULL == callback) {
1260                 SLOG(LOG_ERROR, tts_tag(), "Input parameter is NULL");
1261                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1262         }
1263
1264         GSList *iter = NULL;
1265         tts_config_client_s* temp_client = NULL;
1266
1267         /* Call all callbacks of client*/
1268         iter = g_slist_nth(g_config_client_list, 0);
1269
1270         while (NULL != iter) {
1271                 temp_client = iter->data;
1272
1273                 if (NULL != temp_client) {
1274                         if (uid == temp_client->uid) {
1275                                 temp_client->screen_cb = callback;
1276                         }
1277                 }
1278
1279                 iter = g_slist_next(iter);
1280         }
1281         return 0;
1282 }
1283
1284 int tts_config_unset_screen_reader_callback(int uid)
1285 {
1286         GSList *iter = NULL;
1287         tts_config_client_s* temp_client = NULL;
1288
1289         /* Call all callbacks of client*/
1290         iter = g_slist_nth(g_config_client_list, 0);
1291
1292         while (NULL != iter) {
1293                 temp_client = iter->data;
1294
1295                 if (NULL != temp_client) {
1296                         if (uid == temp_client->uid) {
1297                                 temp_client->screen_cb = NULL;
1298                         }
1299                 }
1300
1301                 iter = g_slist_next(iter);
1302         }
1303         return 0;
1304 }
1305
1306
1307 int tts_config_mgr_get_engine_list(tts_config_supported_engine_cb callback, void* user_data)
1308 {
1309         if (0 >= g_slist_length(g_config_client_list)) {
1310                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1311                 return TTS_CONFIG_ERROR_INVALID_STATE;
1312         }
1313
1314         GSList *iter = NULL;
1315         tts_engine_info_s *engine_info = NULL;
1316
1317         if (0 >= g_slist_length(g_engine_list)) {
1318                 SLOG(LOG_ERROR, tts_tag(), "There is no engine!!");
1319                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1320         }
1321
1322         /* Get a first item */
1323         iter = g_slist_nth(g_engine_list, 0);
1324
1325         while (NULL != iter) {
1326                 engine_info = iter->data;
1327
1328                 if (NULL != engine_info) {
1329                         if (false == callback(engine_info->uuid, engine_info->name, engine_info->setting, user_data)) {
1330                                 break;
1331                         }
1332                 }
1333
1334                 iter = g_slist_next(iter);
1335         }
1336
1337         return 0;
1338 }
1339
1340 int tts_config_mgr_get_engine(char** engine)
1341 {
1342         if (0 >= g_slist_length(g_config_client_list)) {
1343                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1344                 return TTS_CONFIG_ERROR_INVALID_STATE;
1345         }
1346
1347         if (NULL == engine) {
1348                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
1349                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1350         }
1351
1352         if (NULL != g_config_info->engine_id) {
1353                 /* Check engine id is valid */
1354                 GSList *iter = NULL;
1355                 tts_engine_info_s *engine_info = NULL;
1356
1357                 if (0 >= g_slist_length(g_engine_list)) {
1358                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] There is no engine!!");
1359                         return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1360                 }
1361
1362                 /* Get a first item */
1363                 iter = g_slist_nth(g_engine_list, 0);
1364
1365                 while (NULL != iter) {
1366                         engine_info = iter->data;
1367
1368                         if (NULL != engine_info) {
1369                                 if (0 == strcmp(engine_info->uuid, g_config_info->engine_id)) {
1370                                         *engine = strdup(g_config_info->engine_id);
1371                                         return 0;
1372                                 }
1373                         }
1374                         iter = g_slist_next(iter);
1375                 }
1376
1377                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Current engine id is not valid");
1378         } else {
1379                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Engine id is NULL");
1380         }
1381
1382         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1383 }
1384
1385 int __tts_set_buxtonkey(const char* engine)
1386 {
1387         /* Set vconfkey */
1388         struct buxton_client * bux_cli;
1389         struct buxton_layer * bux_layer;
1390         struct buxton_value * bux_val;
1391
1392         int ret = buxton_open(&bux_cli, NULL, NULL);
1393         if (0 != ret) {
1394                 SLOG(LOG_ERROR, tts_tag(), "[DBUS-BUXTON2] buxton_open failed!! (%d)", ret);
1395                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1396         }
1397         bux_layer = buxton_create_layer("system");
1398         if (NULL == bux_layer) {
1399                 SLOG(LOG_ERROR, tts_tag(), "[DBUS-BUXTON2] buxton_create_layer FAIL");
1400                 buxton_close(bux_cli);
1401                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1402         }
1403         bux_val = buxton_value_create_string(engine);
1404         if (NULL == bux_val) {
1405                 SLOG(LOG_ERROR, tts_tag(), "[DBUS-BUXTON2] buxton_value_create_string FAIL");
1406                 buxton_free_layer(bux_layer);
1407                 buxton_close(bux_cli);
1408                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1409         } else {
1410                 SLOG(LOG_DEBUG, tts_tag(), "[DBUS-BUXTON2] layer: %s", buxton_layer_get_name(bux_layer));
1411         }
1412
1413         ret = buxton_set_value_sync(bux_cli, bux_layer, TTS_ENGINE_DB_DEFAULT, bux_val);
1414         if (0 != ret) {
1415                 SLOG(LOG_ERROR, tts_tag(), "[DBUS-BUXTON2] buxton_set_value_sync failed!! (%d)", ret);
1416                 buxton_value_free(bux_val);
1417                 buxton_free_layer(bux_layer);
1418                 buxton_close(bux_cli);
1419
1420                 bux_cli = NULL;
1421                 bux_layer = NULL;
1422                 bux_val = NULL;
1423
1424                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1425         } else {
1426                 SLOG(LOG_DEBUG, tts_tag(), "[DBUS-BUXTON2] buxton_set_value_sync: %d, %s", ret, TTS_ENGINE_DB_DEFAULT);
1427         }
1428
1429         buxton_value_free(bux_val);
1430         buxton_free_layer(bux_layer);
1431         buxton_close(bux_cli);
1432
1433         bux_cli = NULL;
1434         bux_layer = NULL;
1435         bux_val = NULL;
1436
1437         return TTS_CONFIG_ERROR_NONE;
1438 }
1439
1440 int tts_config_mgr_set_engine(const char* engine)
1441 {
1442         if (0 >= g_slist_length(g_config_client_list)) {
1443                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1444                 return TTS_CONFIG_ERROR_INVALID_STATE;
1445         }
1446
1447         if (NULL == engine)
1448                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1449
1450         /* Check current engine id with new engine id */
1451         if (NULL != g_config_info->engine_id) {
1452                 if (0 == strcmp(g_config_info->engine_id, engine))
1453                         return 0;
1454         }
1455
1456         if (0 >= g_slist_length(g_engine_list)) {
1457                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] There is no engine!!");
1458                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1459         }
1460
1461         SLOG(LOG_DEBUG, tts_tag(), "New engine id : %s", engine);
1462
1463         int ret = __tts_set_buxtonkey(engine);
1464         if (0 != ret) {
1465                 SLOG(LOG_DEBUG, tts_tag(), "[DEBUG] set_buxtonkey Fail!!");
1466                 return ret;
1467         }
1468
1469         GSList *iter = NULL;
1470         tts_engine_info_s *engine_info = NULL;
1471         bool is_valid_engine = false;
1472
1473         /* Get a first item */
1474         iter = g_slist_nth(g_engine_list, 0);
1475
1476         while (NULL != iter) {
1477                 engine_info = iter->data;
1478
1479                 if (NULL == engine_info) {
1480                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Engine info is NULL");
1481                         iter = g_slist_next(iter);
1482                         continue;
1483                 }
1484
1485                 /* Check engine id is valid */
1486                 if (0 != strcmp(engine, engine_info->uuid)) {
1487                         iter = g_slist_next(iter);
1488                         continue;
1489                 }
1490
1491                 if (NULL != g_config_info->engine_id)
1492                         free(g_config_info->engine_id);
1493
1494                 g_config_info->engine_id = strdup(engine);
1495
1496                 if (NULL != engine_info->setting) {
1497                         if (NULL != g_config_info->setting) {
1498                                 free(g_config_info->setting);
1499                                 g_config_info->setting = NULL;
1500                         }
1501                         g_config_info->setting = strdup(engine_info->setting);
1502                 }
1503
1504                 /* Engine is valid*/
1505                 GSList *iter_voice = NULL;
1506                 tts_config_voice_s* voice = NULL;
1507                 bool is_valid_voice = false;
1508
1509                 /* Get a first item */
1510                 iter_voice = g_slist_nth(engine_info->voices, 0);
1511
1512                 while (NULL != iter_voice) {
1513                         /*Get handle data from list*/
1514                         voice = iter_voice->data;
1515
1516                         if (NULL != voice) {
1517                                 if (NULL == voice->language)
1518                                         continue;
1519                                 SLOG(LOG_DEBUG, tts_tag(), " lang(%s) type(%d)", voice->language, voice->type);
1520
1521                                 if (0 == strcmp(voice->language, g_config_info->language)) {
1522                                         if (voice->type == g_config_info->type) {
1523                                                 /* language is valid */
1524                                                 is_valid_voice = true;
1525                                                 g_config_info->type = voice->type;
1526                                         }
1527                                         break;
1528                                 }
1529                         }
1530
1531                         /*Get next item*/
1532                         iter_voice = g_slist_next(iter_voice);
1533                 }
1534
1535                 if (false == is_valid_voice) {
1536                         if (NULL != g_config_info->language) {
1537                                 free(g_config_info->language);
1538
1539                                 iter_voice = g_slist_nth(engine_info->voices, 0);
1540                                 if (NULL != iter_voice) {
1541                                         voice = iter_voice->data;
1542                                         if (NULL != voice) {
1543                                                 if (NULL != voice->language)
1544                                                         g_config_info->language = strdup(voice->language);
1545                                                 g_config_info->type = voice->type;
1546                                         }
1547                                 }
1548                         }
1549                 }
1550
1551                 is_valid_engine = true;
1552                 break;
1553         }
1554
1555         if (true == is_valid_engine) {
1556                 SLOG(LOG_DEBUG, tts_tag(), "[Config] Engine changed");
1557                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "  Engine : %s", g_config_info->engine_id);
1558                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "  Setting : %s", g_config_info->setting);
1559                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "  Language : %s", g_config_info->language);
1560                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "  Type : %d", g_config_info->type);
1561
1562                 if (0 != tts_parser_set_engine(g_config_info->engine_id, g_config_info->setting,
1563                         g_config_info->language, g_config_info->type)) {
1564                                 SLOG(LOG_ERROR, tts_tag(), " Fail to save config");
1565                                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1566                 }
1567         } else {
1568                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Engine id is not valid");
1569                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1570         }
1571
1572         return 0;
1573 }
1574
1575 int tts_config_mgr_get_voice_list(const char* engine_id, tts_config_supported_voice_cb callback, void* user_data)
1576 {
1577         if (0 >= g_slist_length(g_config_client_list)) {
1578                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1579                 return TTS_CONFIG_ERROR_INVALID_STATE;
1580         }
1581
1582         if (0 >= g_slist_length(g_engine_list)) {
1583                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] There is no engine");
1584                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1585         }
1586
1587         GSList *iter = NULL;
1588         tts_engine_info_s *engine_info = NULL;
1589
1590         /* Get a first item */
1591         iter = g_slist_nth(g_engine_list, 0);
1592
1593         while (NULL != iter) {
1594                 engine_info = iter->data;
1595
1596                 if (NULL == engine_info) {
1597                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] engine info is NULL");
1598                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1599                 }
1600
1601                 if (0 != strcmp(engine_id, engine_info->uuid)) {
1602                         iter = g_slist_next(iter);
1603                         continue;
1604                 }
1605
1606                 GSList *iter_voice = NULL;
1607                 tts_config_voice_s* voice = NULL;
1608
1609                 /* Get a first item */
1610                 iter_voice = g_slist_nth(engine_info->voices, 0);
1611
1612                 while (NULL != iter_voice) {
1613                         /*Get handle data from list*/
1614                         voice = iter_voice->data;
1615
1616                         SLOG(LOG_DEBUG, tts_tag(), " lang(%s) type(%d)", voice->language, voice->type);
1617                         if (NULL != voice->language) {
1618                                 if (false == callback(engine_info->uuid, voice->language, voice->type, user_data))
1619                                         break;
1620                         }
1621
1622                         /*Get next item*/
1623                         iter_voice = g_slist_next(iter_voice);
1624                 }
1625                 break;
1626         }
1627
1628         return 0;
1629 }
1630
1631 int tts_config_mgr_get_voice(char** language, int* type)
1632 {
1633         if (0 >= g_slist_length(g_config_client_list)) {
1634                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1635                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1636         }
1637
1638         if (0 >= g_slist_length(g_engine_list)) {
1639                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] There is no engine");
1640                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1641         }
1642
1643         if (NULL == language || NULL == type)
1644                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1645
1646         if (NULL != g_config_info->language) {
1647                 *language = strdup(g_config_info->language);
1648                 *type = g_config_info->type;
1649         } else {
1650                 SLOG(LOG_ERROR, tts_tag(), "language is NULL");
1651                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1652         }
1653
1654         return 0;
1655 }
1656
1657 int tts_config_mgr_set_voice(const char* language, int type)
1658 {
1659         if (0 >= g_slist_length(g_config_client_list)) {
1660                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1661                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1662         }
1663
1664         if (NULL == language) {
1665                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
1666                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1667         }
1668
1669         if (0 >= g_slist_length(g_engine_list)) {
1670                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] There is no engine");
1671                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1672         }
1673
1674         /* Check language is valid */
1675         if (NULL != g_config_info->language) {
1676                 if (0 != tts_parser_set_voice(language, type)) {
1677                         SLOG(LOG_ERROR, tts_tag(), "Fail to save default voice");
1678                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1679                 }
1680                 free(g_config_info->language);
1681                 g_config_info->language = strdup(language);
1682                 g_config_info->type = type;
1683
1684         } else {
1685                 SLOG(LOG_ERROR, tts_tag(), "language is NULL");
1686                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1687         }
1688
1689         return 0;
1690 }
1691
1692 int tts_config_mgr_get_auto_voice(bool* value)
1693 {
1694         if (0 >= g_slist_length(g_config_client_list)) {
1695                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1696                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1697         }
1698
1699         if (NULL == value)
1700                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1701
1702         *value = g_config_info->auto_voice;
1703
1704         return 0;
1705 }
1706
1707 int tts_config_mgr_set_auto_voice(bool value)
1708 {
1709         if (0 >= g_slist_length(g_config_client_list)) {
1710                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1711                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1712         }
1713
1714         if (g_config_info->auto_voice != value) {
1715                 /* Check language is valid */
1716                 if (0 != tts_parser_set_auto_voice(value)) {
1717                         SLOG(LOG_ERROR, tts_tag(), "Fail to save auto voice option");
1718                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1719                 }
1720                 g_config_info->auto_voice = value;
1721
1722                 if (true == g_config_info->auto_voice) {
1723                         __tts_config_set_auto_language();
1724                 }
1725         }
1726
1727         return 0;
1728 }
1729
1730 int tts_config_mgr_get_speech_rate(int* value)
1731 {
1732         if (0 >= g_slist_length(g_config_client_list)) {
1733                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1734                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1735         }
1736
1737         if (NULL == value) {
1738                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1739         }
1740
1741         *value = g_config_info->speech_rate;
1742
1743         return 0;
1744 }
1745
1746 int tts_config_mgr_set_speech_rate(int value)
1747 {
1748         if (0 >= g_slist_length(g_config_client_list)) {
1749                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1750                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1751         }
1752
1753         if (TTS_CONFIG_SPEED_MIN <= value && value <= TTS_CONFIG_SPEED_MAX) {
1754                 SLOG(LOG_DEBUG, tts_tag(), "[Config] Set speech rate : %d", value);
1755                 if (0 != tts_parser_set_speech_rate(value)) {
1756                         SLOG(LOG_ERROR, tts_tag(), "Fail to save speech rate");
1757                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1758                 }
1759
1760                 g_config_info->speech_rate = value;
1761         } else {
1762                 SLOG(LOG_ERROR, tts_tag(), "[Config ERROR] Speech rate is invalid : %d", value);
1763         }
1764
1765         return 0;
1766 }
1767
1768 int tts_config_mgr_get_pitch(int* value)
1769 {
1770         if (0 >= g_slist_length(g_config_client_list)) {
1771                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1772                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1773         }
1774
1775         if (NULL == value) {
1776                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1777         }
1778
1779         GSList *iter = NULL;
1780         tts_engine_info_s *engine_info = NULL;
1781
1782         if (0 >= g_slist_length(g_engine_list)) {
1783                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] There is no engine!!");
1784                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1785         }
1786
1787         /* Get a first item */
1788         iter = g_slist_nth(g_engine_list, 0);
1789
1790         while (NULL != iter) {
1791                 engine_info = iter->data;
1792
1793                 if (NULL == engine_info) {
1794                         SLOG(LOG_ERROR, tts_tag(), "engine info is NULL");
1795                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1796                 }
1797
1798                 if (0 != strcmp(g_config_info->engine_id, engine_info->uuid)) {
1799                         iter = g_slist_next(iter);
1800                         continue;
1801                 }
1802
1803                 if (false == engine_info->pitch_support) {
1804                         return TTS_CONFIG_ERROR_NOT_SUPPORTED_FEATURE;
1805                 }  else {
1806                         break;
1807                 }
1808         }
1809
1810         *value = g_config_info->pitch;
1811
1812         return 0;
1813 }
1814
1815 int tts_config_mgr_set_pitch(int value)
1816 {
1817         if (0 >= g_slist_length(g_config_client_list)) {
1818                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1819                 return -1;
1820         }
1821
1822         GSList *iter = NULL;
1823         tts_engine_info_s *engine_info = NULL;
1824
1825         if (0 >= g_slist_length(g_engine_list)) {
1826                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] There is no engine!!");
1827                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1828         }
1829
1830         /* Get a first item */
1831         iter = g_slist_nth(g_engine_list, 0);
1832
1833         while (NULL != iter) {
1834                 engine_info = iter->data;
1835
1836                 if (NULL == engine_info) {
1837                         SLOG(LOG_ERROR, tts_tag(), "engine info is NULL");
1838                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1839                 }
1840
1841                 if (0 != strcmp(g_config_info->engine_id, engine_info->uuid)) {
1842                         iter = g_slist_next(iter);
1843                         continue;
1844                 }
1845
1846                 if (false == engine_info->pitch_support) {
1847                         return TTS_CONFIG_ERROR_NOT_SUPPORTED_FEATURE;
1848                 } else {
1849                         break;
1850                 }
1851         }
1852
1853         if (0 != tts_parser_set_pitch(value)) {
1854                 SLOG(LOG_ERROR, tts_tag(), "Fail to save speech rate");
1855                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1856         }
1857
1858         g_config_info->pitch = value;
1859
1860         return 0;
1861 }
1862
1863 bool tts_config_check_default_engine_is_valid(const char* engine)
1864 {
1865         if (0 >= g_slist_length(g_config_client_list)) {
1866                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1867                 return -1;
1868         }
1869
1870         if (NULL == engine)
1871                 return false;
1872
1873         if (0 >= g_slist_length(g_engine_list))
1874                 return false;
1875
1876         GSList *iter = NULL;
1877         tts_engine_info_s *engine_info = NULL;
1878
1879         /* Get a first item */
1880         iter = g_slist_nth(g_engine_list, 0);
1881
1882         while (NULL != iter) {
1883                 engine_info = iter->data;
1884
1885                 if (NULL != engine_info) {
1886                         if (0 == strcmp(engine, engine_info->uuid)) {
1887                                 return true;
1888                         }
1889                 }
1890                 iter = g_slist_next(iter);
1891         }
1892
1893         return false;
1894 }
1895
1896 bool tts_config_check_default_voice_is_valid(const char* language, int type)
1897 {
1898         if (0 >= g_slist_length(g_config_client_list)) {
1899                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1900                 return -1;
1901         }
1902
1903         if (NULL == language)
1904                 return false;
1905
1906         if (NULL == g_config_info->engine_id) {
1907                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Default engine id is NULL");
1908                 return false;
1909         }
1910
1911         if (0 >= g_slist_length(g_engine_list))
1912                 return false;
1913
1914         GSList *iter = NULL;
1915         tts_engine_info_s *engine_info = NULL;
1916
1917         /* Get a first item */
1918         iter = g_slist_nth(g_engine_list, 0);
1919
1920         while (NULL != iter) {
1921                 engine_info = iter->data;
1922
1923                 if (NULL == engine_info) {
1924                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Engine info is NULL");
1925                         iter = g_slist_next(iter);
1926                         continue;
1927                 }
1928
1929                 if (0 != strcmp(g_config_info->engine_id, engine_info->uuid)) {
1930                         iter = g_slist_next(iter);
1931                         continue;
1932                 }
1933
1934                 GSList *iter_voice = NULL;
1935                 tts_config_voice_s* voice = NULL;
1936
1937                 /* Get a first item */
1938                 iter_voice = g_slist_nth(engine_info->voices, 0);
1939
1940                 while (NULL != iter_voice) {
1941                         voice = iter_voice->data;
1942
1943                         if (0 == strcmp(language, voice->language) && voice->type == type)
1944                                 return true;
1945
1946                         /*Get next item*/
1947                         iter_voice = g_slist_next(iter_voice);
1948                 }
1949
1950                 break;
1951         }
1952
1953         return false;
1954 }
1955
1956
1957 int __tts_config_mgr_print_engine_info()
1958 {
1959         GSList *iter = NULL;
1960         tts_engine_info_s *engine_info = NULL;
1961
1962         if (0 >= g_slist_length(g_engine_list)) {
1963                 SLOG(LOG_DEBUG, tts_tag(), "-------------- engine list -----------------");
1964                 SLOG(LOG_DEBUG, tts_tag(), "  No Engine in engine directory");
1965                 SLOG(LOG_DEBUG, tts_tag(), "--------------------------------------------");
1966                 return 0;
1967         }
1968
1969         /* Get a first item */
1970         iter = g_slist_nth(g_engine_list, 0);
1971
1972         SLOG(LOG_DEBUG, tts_tag(), "--------------- engine list -----------------");
1973
1974         int i = 1;
1975         while (NULL != iter) {
1976                 engine_info = iter->data;
1977
1978                 SLOG(LOG_DEBUG, tts_tag(), "[%dth]", i);
1979                 SLOG(LOG_DEBUG, tts_tag(), " name : %s", engine_info->name);
1980                 SLOG(LOG_DEBUG, tts_tag(), " id   : %s", engine_info->uuid);
1981                 SLOG(LOG_DEBUG, tts_tag(), " setting : %s", engine_info->setting);
1982
1983                 SLOG(LOG_DEBUG, tts_tag(), " Voices");
1984                 GSList *iter_voice = NULL;
1985                 tts_config_voice_s* voice = NULL;
1986
1987                 if (g_slist_length(engine_info->voices) > 0) {
1988                         /* Get a first item */
1989                         iter_voice = g_slist_nth(engine_info->voices, 0);
1990
1991                         int j = 1;
1992                         while (NULL != iter_voice) {
1993                                 /*Get handle data from list*/
1994                                 voice = iter_voice->data;
1995
1996                                 SLOG(LOG_DEBUG, tts_tag(), "  [%dth] lang(%s) type(%d)", j, voice->language, voice->type);
1997
1998                                 /*Get next item*/
1999                                 iter_voice = g_slist_next(iter_voice);
2000                                 j++;
2001                         }
2002                 } else {
2003                         SLOG(LOG_ERROR, tts_tag(), "  Voice is NONE");
2004                 }
2005                 iter = g_slist_next(iter);
2006                 i++;
2007         }
2008         SLOG(LOG_DEBUG, tts_tag(), "--------------------------------------------");
2009
2010         return 0;
2011 }