Fix dangling pointer
[platform/core/uifw/tts.git] / 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 extern char g_engine_id[128];
47 extern char g_setting[128];
48 extern char g_language[128];
49
50 static Ecore_Fd_Handler* g_config_fd_handler_noti = NULL;
51 static int g_config_fd_noti;
52 static int g_config_wd_noti;
53
54 /* For engine directory monitoring */
55 typedef struct {
56         Ecore_Fd_Handler* dir_fd_handler;
57         int dir_fd;
58         int dir_wd;
59 } tts_engine_inotify_s;
60
61 static GList* g_ino_list = NULL;
62
63 int __tts_config_mgr_print_engine_info();
64 static int __tts_config_mgr_register_engine_config_updated_event(const char* path);
65 static int __tts_config_mgr_unregister_engine_config_updated_event();
66
67 int __tts_config_mgr_check_engine_is_valid(const char* engine_id)
68 {
69         if (NULL == engine_id) {
70                 SLOG(LOG_ERROR, tts_tag(), "Input parameter is NULL");
71                 return -1;
72         }
73
74         GSList *iter = NULL;
75         tts_engine_info_s *engine_info = NULL;
76
77         if (0 >= g_slist_length(g_engine_list)) {
78                 SLOG(LOG_ERROR, tts_tag(), "There is no engine!!");
79                 return -1;
80         }
81
82         /* Get a first item */
83         iter = g_slist_nth(g_engine_list, 0);
84
85         while (NULL != iter) {
86                 engine_info = iter->data;
87
88                 if (NULL == engine_info) {
89                         SLOG(LOG_ERROR, tts_tag(), "engine info is NULL");
90                         return -1;
91                 }
92
93                 if (NULL != engine_info->uuid && 0 == strcmp(engine_id, engine_info->uuid)) {
94                         SLOG(LOG_DEBUG, tts_tag(), "Default engine is valid : %s", engine_id);
95                         return 0;
96                 }
97
98                 iter = g_slist_next(iter);
99         }
100
101         /* Change default engine */
102         iter = g_slist_nth(g_engine_list, 0);
103         if (NULL == iter) {
104                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] No engine in list");
105                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
106         }
107
108         engine_info = iter->data;
109         if (NULL == g_config_info) {
110                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Invalid engine info in list");
111                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
112         }
113
114         if (NULL != engine_info->uuid) {
115                 memset(g_engine_id, '\0', sizeof(g_engine_id));
116                 g_config_info->engine_id = g_engine_id;
117                 strncpy(g_config_info->engine_id, engine_info->uuid, sizeof(g_engine_id) - 1);
118         }
119         if (NULL != engine_info->setting) {
120                 memset(g_setting, '\0', sizeof(g_setting));
121                 g_config_info->setting = g_setting;
122                 strncpy(g_config_info->setting, engine_info->setting, sizeof(g_setting) - 1);
123         }
124
125         SLOG(LOG_DEBUG, tts_tag(), "Default engine is changed : %s", g_config_info->engine_id);
126
127         /* Change is default voice */
128         GSList *iter_voice = NULL;
129         tts_config_voice_s* voice = NULL;
130         bool is_valid_voice = false;
131
132         /* Get a first item */
133         iter_voice = g_slist_nth(engine_info->voices, 0);
134
135         while (NULL != iter_voice) {
136                 /*Get handle data from list*/
137                 voice = iter_voice->data;
138
139                 if (NULL != voice) {
140                         if (NULL != voice->language) {
141                                 if (0 == strcmp(voice->language, g_config_info->language)) {
142                                         if (voice->type == g_config_info->type) {
143                                                 /* language is valid */
144                                                 is_valid_voice = true;
145
146                                                 memset(g_language, '\0', sizeof(g_language));
147                                                 g_config_info->language = g_language;
148                                                 strncpy(g_config_info->language, voice->language, sizeof(g_language) - 1);
149
150                                                 g_config_info->type = voice->type;
151
152                                                 SLOG(LOG_DEBUG, tts_tag(), "Default voice is changed : lang(%s) type(%d)", voice->language, voice->type);
153                                                 break;
154                                         }
155                                 }
156                         }
157                 }
158
159                 iter_voice = g_slist_next(iter_voice);
160         }
161
162         if (false == is_valid_voice) {
163                 /* Select first voice as default */
164                 memset(g_language, '\0', sizeof(g_language));
165                 g_config_info->language = g_language;
166
167                 iter_voice = g_slist_nth(engine_info->voices, 0);
168                 if (NULL == iter_voice) {
169                         SLOG(LOG_ERROR, tts_tag(), "Fail to get voice list");
170                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
171                 }
172                 voice = iter_voice->data;
173
174                 if (NULL == voice || NULL == voice->language) {
175                         SLOG(LOG_ERROR, tts_tag(), "Fail to get voice info from list");
176                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
177                 }
178                 strncpy(g_config_info->language, voice->language, sizeof(g_language) - 1);
179
180                 g_config_info->type = voice->type;
181                 SLOG(LOG_DEBUG, tts_tag(), "Default voice is changed : lang(%s) type(%d)", voice->language, voice->type);
182         }
183
184         if (0 != tts_parser_set_engine(g_config_info->engine_id, g_config_info->setting, 
185                 g_config_info->language, g_config_info->type)) {
186                 SLOG(LOG_ERROR, tts_tag(), " Fail to save config");
187                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
188         }
189
190         return 0;
191 }
192
193 bool __tts_config_mgr_check_lang_is_valid(const char* engine_id, const char* language, int type)
194 {
195         if (NULL == engine_id || NULL == language) {
196                 SLOG(LOG_ERROR, tts_tag(), "Input parameter is NULL");
197                 return false;
198         }
199
200         GSList *iter = NULL;
201         tts_engine_info_s *engine_info = NULL;
202
203         if (0 >= g_slist_length(g_engine_list)) {
204                 SLOG(LOG_ERROR, tts_tag(), "There is no engine!!");
205                 return false;
206         }
207
208         /* Get a first item */
209         iter = g_slist_nth(g_engine_list, 0);
210
211         while (NULL != iter) {
212                 engine_info = iter->data;
213
214                 if (NULL == engine_info) {
215                         SLOG(LOG_ERROR, tts_tag(), "engine info is NULL");
216                         return false;
217                 }
218
219                 if (0 != strcmp(engine_id, engine_info->uuid)) {
220                         iter = g_slist_next(iter);
221                         continue;
222                 }
223
224                 GSList *iter_voice = NULL;
225                 tts_config_voice_s* voice = NULL;
226
227                 if (g_slist_length(engine_info->voices) <= 0) {
228                         SLOG(LOG_ERROR, tts_tag(), "There is no voice : %s", engine_info->uuid);
229                         iter = g_slist_next(iter);
230                         return false;
231                 }
232
233                 /* Get a first item */
234                 iter_voice = g_slist_nth(engine_info->voices, 0);
235
236                 int i = 1;
237                 while (NULL != iter_voice) {
238                         /*Get handle data from list*/
239                         voice = iter_voice->data;
240
241                         if (NULL != voice) {
242                                 if (0 == strcmp(language, voice->language)) {
243                                         if (type == voice->type) {
244                                                 return true;
245                                         }
246                                 }
247                         }
248
249                         /*Get next item*/
250                         iter_voice = g_slist_next(iter_voice);
251                         i++;
252                 }
253
254                 return false;
255         }
256
257         return false;
258 }
259
260 int __tts_config_mgr_select_lang(const char* engine_id, char** language, int* type)
261 {
262         if (NULL == engine_id || NULL == language) {
263                 SLOG(LOG_ERROR, tts_tag(), "Input parameter is NULL");
264                 return false;
265         }
266
267         GSList *iter = NULL;
268         tts_engine_info_s *engine_info = NULL;
269
270         if (0 >= g_slist_length(g_engine_list)) {
271                 SLOG(LOG_ERROR, tts_tag(), "There is no engine!!");
272                 return false;
273         }
274
275         /* Get a first item */
276         iter = g_slist_nth(g_engine_list, 0);
277
278         while (NULL != iter) {
279                 engine_info = iter->data;
280
281                 if (NULL == engine_info) {
282                         SLOG(LOG_ERROR, tts_tag(), "engine info is NULL");
283                         return false;
284                 }
285
286                 if (0 != strcmp(engine_id, engine_info->uuid)) {
287                         iter = g_slist_next(iter);
288                         continue;
289                 }
290
291                 GSList *iter_voice = NULL;
292                 tts_config_voice_s* voice = NULL;
293
294                 if (g_slist_length(engine_info->voices) <= 0) {
295                         SLOG(LOG_ERROR, tts_tag(), "There is no voice : %s", engine_info->uuid);
296                         return -1;
297                 }
298
299                 /* Get a first item */
300                 iter_voice = g_slist_nth(engine_info->voices, 0);
301
302                 while (NULL != iter_voice) {
303                         voice = iter_voice->data;
304                         if (NULL != voice) {
305                                 /* Default language */
306                                 if (0 == strcmp(TTS_BASE_LANGUAGE, voice->language)) {
307                                         *language = strdup(voice->language);
308                                         *type = voice->type;
309
310                                         SECURE_SLOG(LOG_DEBUG, tts_tag(), "Selected language(%s) type(%d)", *language, *type);
311                                         return 0;
312                                 }
313                         }
314                         iter_voice = g_slist_next(iter_voice);
315                 }
316
317                 /* Not support base language */
318                 if (NULL != voice) {
319                         *language = strdup(voice->language);
320                         *type = voice->type;
321
322                         SECURE_SLOG(LOG_DEBUG, tts_tag(), "Selected language(%s) type(%d)", *language, *type);
323                         return 0;
324                 }
325                 break;
326         }
327
328         return -1;
329 }
330
331 Eina_Bool tts_config_mgr_inotify_event_cb(void* data, Ecore_Fd_Handler *fd_handler)
332 {
333         SLOG(LOG_DEBUG, tts_tag(), "===== Config changed callback event");
334
335         int length;
336         struct inotify_event event;
337         memset(&event, '\0', sizeof(struct inotify_event));
338
339         length = read(g_config_fd_noti, &event, sizeof(struct inotify_event));
340         if (0 > length) {
341                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty Inotify event");
342                 SLOG(LOG_DEBUG, tts_tag(), "=====");
343                 SLOG(LOG_DEBUG, tts_tag(), " ");
344                 return ECORE_CALLBACK_DONE;
345         }
346
347         if (IN_CLOSE_WRITE == event.mask) {
348                 /* check config changed state */
349                 char* engine = NULL;
350                 char* setting = NULL;
351                 char* lang = NULL;
352                 bool auto_voice = g_config_info->auto_voice;
353                 int voice_type = -1;
354                 int speech_rate = -1;
355                 int pitch = -1;
356
357                 GSList *iter = NULL;
358                 tts_config_client_s* temp_client = NULL;
359
360                 if (0 != tts_parser_find_config_changed(&engine, &setting, &auto_voice, &lang, &voice_type, &speech_rate, &pitch))
361                         return ECORE_CALLBACK_PASS_ON;
362
363                 /* engine changed */
364                 if (NULL != engine || NULL != setting) {
365                         if (NULL != engine) {
366                                 memset(g_engine_id, '\0', sizeof(g_engine_id));
367                                 g_config_info->engine_id = g_engine_id;
368                                 strncpy(g_config_info->engine_id, engine, sizeof(g_engine_id) - 1);
369                         }
370                         if (NULL != setting) {
371                                 memset(g_setting, '\0', sizeof(g_setting));
372                                 g_config_info->setting = g_setting;
373                                 strncpy(g_config_info->setting, setting, sizeof(g_setting) - 1);
374                         }
375
376                         SECURE_SLOG(LOG_DEBUG, tts_tag(), "Engine change(%s)", g_config_info->engine_id);
377
378                         /* Call all callbacks of client*/
379                         iter = g_slist_nth(g_config_client_list, 0);
380
381                         while (NULL != iter) {
382                                 temp_client = iter->data;
383
384                                 if (NULL != temp_client) {
385                                         if (NULL != temp_client->engine_cb) {
386                                                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "Engine changed callback : uid(%d)", temp_client->uid);
387                                                 temp_client->engine_cb(g_config_info->engine_id, g_config_info->setting, 
388                                                         g_config_info->language, g_config_info->type, 
389                                                         g_config_info->auto_voice, g_config_info->credential, temp_client->user_data);
390                                         }
391                                 }
392
393                                 iter = g_slist_next(iter);
394                         }
395                 }
396
397                 if (auto_voice != g_config_info->auto_voice) {
398                         g_config_info->auto_voice = auto_voice;
399                 }
400
401                 if (NULL != lang || -1 != voice_type) {
402                         char* before_lang = NULL;
403                         int before_type;
404
405                         before_lang = strdup(g_config_info->language);
406                         before_type = g_config_info->type;
407
408                         if (NULL != lang) {
409                                 memset(g_language, '\0', sizeof(g_language));
410                                 g_config_info->language = g_language;
411                                 strncpy(g_config_info->language, lang, sizeof(g_language) - 1);
412                         }
413                         if (-1 != voice_type) {
414                                 g_config_info->type = voice_type;
415                         }
416
417                         SECURE_SLOG(LOG_DEBUG, tts_tag(), "Voice change(%s, %d)", g_config_info->language, g_config_info->type);
418
419                         /* Call all callbacks of client*/
420                         iter = g_slist_nth(g_config_client_list, 0);
421
422                         while (NULL != iter) {
423                                 temp_client = iter->data;
424
425                                 if (NULL != temp_client) {
426                                         if (NULL != temp_client->voice_cb) {
427                                                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "Voice changed callback : uid(%d)", temp_client->uid);
428                                                 temp_client->voice_cb(before_lang, before_type, 
429                                                         g_config_info->language, g_config_info->type, 
430                                                         g_config_info->auto_voice, temp_client->user_data);
431                                         }
432                                 }
433
434                                 iter = g_slist_next(iter);
435                         }
436
437                         if (NULL != before_lang) {
438                                 free(before_lang);
439                                 before_lang = NULL;
440                         }
441                 }
442
443                 if (-1 != speech_rate) {
444                         g_config_info->speech_rate = speech_rate;
445
446                         SECURE_SLOG(LOG_DEBUG, tts_tag(), "Speech rate change(%d)", g_config_info->speech_rate);
447
448                         /* Call all callbacks of client*/
449                         iter = g_slist_nth(g_config_client_list, 0);
450
451                         while (NULL != iter) {
452                                 temp_client = iter->data;
453
454                                 if (NULL != temp_client) {
455                                         if (NULL != temp_client->speech_cb) {
456                                                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "Speech rate changed callback : uid(%d)", temp_client->uid);
457                                                 temp_client->speech_cb(g_config_info->speech_rate, temp_client->user_data);
458                                         }
459                                 }
460
461                                 iter = g_slist_next(iter);
462                         }
463                 }
464
465                 if (-1 != pitch) {
466                         g_config_info->pitch = pitch;
467
468                         SECURE_SLOG(LOG_DEBUG, tts_tag(), "pitch change(%d)", g_config_info->pitch);
469
470                         /* Call all callbacks of client*/
471                         iter = g_slist_nth(g_config_client_list, 0);
472
473                         while (NULL != iter) {
474                                 temp_client = iter->data;
475
476                                 if (NULL != temp_client) {
477                                         if (NULL != temp_client->pitch_cb) {
478                                                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "Pitch changed callback : uid(%d)", temp_client->uid);
479                                                 temp_client->pitch_cb(g_config_info->pitch, temp_client->user_data);
480                                         }
481                                 }
482
483                                 iter = g_slist_next(iter);
484                         }
485                 }
486
487                 if (NULL != engine) {
488                         free(engine);
489                         engine = NULL;
490                 }
491                 if (NULL != setting) {
492                         free(setting);
493                         setting = NULL;
494                 }
495                 if (NULL != lang) {
496                         free(lang);
497                         lang = NULL;
498                 }
499         } else {
500                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Undefined event");
501         }
502
503         SLOG(LOG_DEBUG, tts_tag(), "=====");
504         SLOG(LOG_DEBUG, tts_tag(), " ");
505
506         return ECORE_CALLBACK_PASS_ON;
507 }
508
509 int __tts_config_mgr_register_config_event()
510 {
511         /* get file notification handler */
512         int fd;
513         int wd;
514
515         fd = inotify_init();
516         if (fd < 0) {
517                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail get inotify fd");
518                 return -1;
519         }
520         g_config_fd_noti = fd;
521
522         wd = inotify_add_watch(fd, TTS_CONFIG, IN_CLOSE_WRITE);
523         g_config_wd_noti = wd;
524
525         g_config_fd_handler_noti = ecore_main_fd_handler_add(fd, ECORE_FD_READ,
526                 (Ecore_Fd_Cb)tts_config_mgr_inotify_event_cb, NULL, NULL, NULL);
527         if (NULL == g_config_fd_handler_noti) {
528                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to get handler_noti");
529                 return -1;
530         }
531
532         /* Set non-blocking mode of file */
533         int value;
534         value = fcntl(fd, F_GETFL, 0);
535         value |= O_NONBLOCK;
536
537         if (0 > fcntl(fd, F_SETFL, value)) {
538                 SLOG(LOG_WARN, tts_tag(), "[WARNING] Fail to set non-block mode");
539         }
540
541         return 0;
542 }
543
544 int __tts_config_mgr_unregister_config_event()
545 {
546         /* delete inotify variable */
547         ecore_main_fd_handler_del(g_config_fd_handler_noti);
548         inotify_rm_watch(g_config_fd_noti, g_config_wd_noti);
549         close(g_config_fd_noti);
550
551         return 0;
552 }
553
554 int __tts_config_set_auto_language()
555 {
556         char* value = NULL;
557         value = vconf_get_str(TTS_LANGSET_KEY);
558         if (NULL == value) {
559                 SLOG(LOG_ERROR, tts_tag(), "[Config ERROR] Fail to get display language");
560                 return -1;
561         }
562
563         char temp_lang[6] = {'\0', };
564         strncpy(temp_lang, value, 5);
565         free(value);
566         value = NULL;
567
568         if (true == __tts_config_mgr_check_lang_is_valid(g_config_info->engine_id, temp_lang, g_config_info->type)) {
569                 /* tts default voice change */
570                 if (NULL == g_config_info->language) {
571                         SLOG(LOG_ERROR, tts_tag(), "Current config language is NULL");
572                         return -1;
573                 }
574
575                 char* before_lang = NULL;
576                 int before_type;
577
578                 if (0 != tts_parser_set_voice(temp_lang, g_config_info->type)) {
579                         SLOG(LOG_ERROR, tts_tag(), "Fail to save default voice");
580                         return -1;
581                 }
582
583                 before_lang = strdup(g_config_info->language);
584                 before_type = g_config_info->type;
585
586                 memset(g_language, '\0', sizeof(g_language));
587                 g_config_info->language = g_language;
588                 strncpy(g_config_info->language, temp_lang, sizeof(g_language) - 1);
589
590                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "[Config] Default voice : lang(%s) type(%d)", 
591                         g_config_info->language, g_config_info->type);
592
593                 GSList *iter = NULL;
594                 tts_config_client_s* temp_client = NULL;
595
596                 /* Call all callbacks of client*/
597                 iter = g_slist_nth(g_config_client_list, 0);
598
599                 while (NULL != iter) {
600                         temp_client = iter->data;
601
602                         if (NULL != temp_client) {
603                                 if (NULL != temp_client->voice_cb) {
604                                         temp_client->voice_cb(before_lang, before_type, 
605                                                 g_config_info->language, g_config_info->type, 
606                                                 g_config_info->auto_voice, temp_client->user_data);
607                                 }
608                         }
609
610                         iter = g_slist_next(iter);
611                 }
612
613                 if (NULL != before_lang) {
614                         free(before_lang);
615                         before_lang = NULL;
616                 }
617         } else {
618                 /* Display language is not valid */
619                 char* tmp_language = NULL;
620                 int tmp_type = -1;
621                 if (0 != __tts_config_mgr_select_lang(g_config_info->engine_id, &tmp_language, &tmp_type)) {
622                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to select language");
623                         return -1;
624                 }
625
626                 if (NULL == tmp_language) {
627                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] language is NULL");
628                         return -1;
629                 }
630
631                 if (0 != tts_parser_set_voice(tmp_language, tmp_type)) {
632                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to save config");
633                         return -1;
634                 }
635
636                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "[Config] Default voice : lang(%s) type(%d)", 
637                         tmp_language, tmp_type);
638
639                 GSList *iter = NULL;
640                 tts_config_client_s* temp_client = NULL;
641
642                 /* Call all callbacks of client*/
643                 iter = g_slist_nth(g_config_client_list, 0);
644
645                 while (NULL != iter) {
646                         temp_client = iter->data;
647
648                         if (NULL != temp_client) {
649                                 if (NULL != temp_client->voice_cb) {
650                                         temp_client->voice_cb(g_config_info->language, g_config_info->type, 
651                                                 tmp_language, tmp_type, g_config_info->auto_voice, temp_client->user_data);
652                                 }
653                         }
654
655                         iter = g_slist_next(iter);
656                 }
657
658
659                 memset(g_language, '\0', sizeof(g_language));
660                 g_config_info->language = g_language;
661                 strncpy(g_config_info->language, tmp_language, sizeof(g_language) - 1);
662
663                 g_config_info->type = tmp_type;
664
665                 free(tmp_language);
666                 tmp_language = NULL;
667         }
668
669         return 0;
670 }
671
672 void __tts_config_display_language_changed_cb(keynode_t *key, void *data)
673 {
674         if (true == g_config_info->auto_voice) {
675                 __tts_config_set_auto_language();
676         }
677
678         return;
679 }
680
681 void __tts_config_screen_reader_changed_cb(keynode_t *key, void *data)
682 {
683         int ret;
684         int screen_reader;
685         ret = vconf_get_bool(TTS_ACCESSIBILITY_KEY, &screen_reader);
686         if (0 != ret) {
687                 SLOG(LOG_ERROR, tts_tag(), "[Config ERROR] Fail to get screen reader");
688                 return;
689         }
690
691         GSList *iter = NULL;
692         tts_config_client_s* temp_client = NULL;
693
694         /* Call all callbacks of client*/
695         iter = g_slist_nth(g_config_client_list, 0);
696
697         while (NULL != iter) {
698                 temp_client = iter->data;
699
700                 if (NULL != temp_client) {
701                         if (NULL != temp_client->screen_cb) {
702                                 temp_client->screen_cb((bool)screen_reader);
703                         }
704                 }
705
706                 iter = g_slist_next(iter);
707         }
708 }
709
710 int __tts_config_release_client(int uid)
711 {
712         GSList *iter = NULL;
713         tts_config_client_s* temp_client = NULL;
714
715         if (0 < g_slist_length(g_config_client_list)) {
716                 /* Check uid */
717                 iter = g_slist_nth(g_config_client_list, 0);
718
719                 while (NULL != iter) {
720                         temp_client = iter->data;
721
722                         if (NULL != temp_client) {
723                                 if (uid == temp_client->uid) {
724                                         g_config_client_list = g_slist_remove(g_config_client_list, temp_client);
725                                         free(temp_client);
726                                         temp_client = NULL;
727                                         break;
728                                 }
729                         }
730
731                         iter = g_slist_next(iter);
732                 }
733         }
734
735         SLOG(LOG_DEBUG, tts_tag(), "Client count (%d)", g_slist_length(g_config_client_list));
736
737         return g_slist_length(g_config_client_list);
738 }
739
740 void __tts_config_release_engine()
741 {
742         GSList *iter = NULL;
743         tts_engine_info_s *engine_info = NULL;
744
745         if (0 < g_slist_length(g_engine_list)) {
746
747                 /* Get a first item */
748                 iter = g_slist_nth(g_engine_list, 0);
749
750                 while (NULL != iter) {
751                         engine_info = iter->data;
752
753                         if (NULL != engine_info) {
754                                 g_engine_list = g_slist_remove(g_engine_list, engine_info);
755
756                                 tts_parser_free_engine_info(engine_info);
757                         }
758
759                         iter = g_slist_nth(g_engine_list, 0);
760                 }
761         }
762
763         return;
764 }
765
766 int __tts_config_mgr_get_engine_info()
767 {
768         DIR *dp = NULL;
769         struct dirent *dirp = NULL;
770
771         char filepath[512] = {'\0',};
772         int filesize;
773         tts_engine_info_s* info = NULL;
774
775         __tts_config_release_engine();
776         g_engine_list = NULL;
777         __tts_config_mgr_unregister_engine_config_updated_event();
778
779         /* Copy default info directory to download directory */
780         dp  = opendir(TTS_DEFAULT_ENGINE_INFO);
781         if (NULL == dp) {
782                 SLOG(LOG_DEBUG, tts_tag(), "[CONFIG] No default directory : %s", TTS_DEFAULT_ENGINE_INFO);
783         } else {
784                 do {
785                         dirp = readdir(dp);
786
787                         if (NULL != dirp) {
788                                 if (!strcmp(".", dirp->d_name) || !strcmp("..", dirp->d_name))
789                                         continue;
790
791                                 filesize = strlen(TTS_DEFAULT_ENGINE_INFO) + strlen(dirp->d_name) + 2;
792                                 if (filesize >= 512) {
793                                         SECURE_SLOG(LOG_ERROR, tts_tag(), "[CONFIG ERROR] File path is too long : %s", dirp->d_name);
794                                         closedir(dp);
795                                         return -1;
796                                 }
797
798                                 memset(filepath, '\0', 512);
799                                 snprintf(filepath, 512, "%s/%s", TTS_DEFAULT_ENGINE_INFO, dirp->d_name);
800
801                                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "[CONFIG] Filepath(%s)", filepath);
802
803                                 char dest[512] = {'\0',};
804                                 snprintf(dest, 512, "%s/%s", TTS_DOWNLOAD_ENGINE_INFO, dirp->d_name);
805
806                                 if (0 != access(dest, F_OK)) {
807                                         if (0 != tts_parser_copy_xml(filepath, dest)) {
808                                                 SLOG(LOG_ERROR, tts_tag(), "[CONFIG ERROR] Fail to copy engine info");
809                                         }
810                                 }
811                         }
812                 } while (NULL != dirp);
813
814                 closedir(dp);
815         }
816
817         /* Get engine info from default engine directory */
818         dp  = opendir(TTS_DOWNLOAD_ENGINE_INFO);
819         if (NULL == dp) {
820                 SLOG(LOG_DEBUG, tts_tag(), "[CONFIG] No downloadable directory : %s", TTS_DOWNLOAD_ENGINE_INFO);
821         } else {
822                 do {
823                         dirp = readdir(dp);
824
825                         if (NULL != dirp) {
826                                 if (!strcmp(".", dirp->d_name) || !strcmp("..", dirp->d_name))
827                                         continue;
828
829                                 filesize = strlen(TTS_DOWNLOAD_ENGINE_INFO) + strlen(dirp->d_name) + 2;
830                                 if (filesize >= 512) {
831                                         SECURE_SLOG(LOG_ERROR, tts_tag(), "[CONFIG ERROR] File path is too long : %s", dirp->d_name);
832                                         closedir(dp);
833                                         return -1;
834                                 }
835
836                                 memset(filepath, '\0', 512);
837                                 snprintf(filepath, 512, "%s/%s", TTS_DOWNLOAD_ENGINE_INFO, dirp->d_name);
838
839                                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "[CONFIG] Filepath(%s)", filepath);
840
841                                 if (0 == tts_parser_get_engine_info(filepath, &info)) {
842                                         g_engine_list = g_slist_append(g_engine_list, info);
843                                         if (0 != __tts_config_mgr_register_engine_config_updated_event(filepath)) {
844                                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to register engine config updated event");
845                                         }
846                                 }
847                         }
848                 } while (NULL != dirp);
849
850                 closedir(dp);
851         }
852
853         if (0 >= g_slist_length(g_engine_list)) {
854                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] No engine");
855                 return -1;
856         }
857
858         return 0;
859 }
860
861 static Eina_Bool __tts_config_mgr_engine_config_inotify_event_callback(void* data, Ecore_Fd_Handler *fd_handler)
862 {
863         SLOG(LOG_DEBUG, tts_tag(), "===== Engine config updated callback event");
864
865         tts_engine_inotify_s *ino = (tts_engine_inotify_s *)data;
866         int dir_fd = ino->dir_fd;
867
868         int length;
869         struct inotify_event event;
870         memset(&event, '\0', sizeof(struct inotify_event));
871
872         length = read(dir_fd, &event, sizeof(struct inotify_event));
873         if (0 > length) {
874                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty Inotify event");
875                 SLOG(LOG_DEBUG, tts_tag(), "=====");
876                 SLOG(LOG_DEBUG, tts_tag(), " ");
877                 return ECORE_CALLBACK_DONE;
878         }
879
880         if (IN_CLOSE_WRITE == event.mask) {
881                 int ret = __tts_config_mgr_get_engine_info();
882                 if (0 != ret) {
883                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to get engine info when config updated");
884                 }
885                 __tts_config_mgr_print_engine_info();
886                 bool support = tts_config_check_default_voice_is_valid(g_config_info->language, g_config_info->type);
887                 if (false == support) {
888                         SLOG(LOG_DEBUG, tts_tag(), "[ERROR] Default voice is valid");
889                         char* temp_lang = NULL;
890                         int temp_type;
891                         ret = __tts_config_mgr_select_lang(g_config_info->engine_id, &temp_lang, &temp_type);
892                         if (0 != ret) {
893                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to get voice");
894                         }
895
896                         ret = tts_config_mgr_set_voice(temp_lang, temp_type);
897                         if (0 != ret) {
898                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to set voice");
899                         } else {
900                                 SLOG(LOG_DEBUG, tts_tag(), "[DEBUG] Saved default voice : lang(%s), type(%d)", g_config_info->language, g_config_info->type);
901                         }
902                         if (NULL != temp_lang) {
903                                 free(temp_lang);
904                                 temp_lang = NULL;
905                         }
906                 }
907
908                 GSList *iter = NULL;
909                 tts_config_client_s* temp_client = NULL;
910                 /* Call all callbacks of client*/
911                 iter = g_slist_nth(g_config_client_list, 0);
912
913                 while (NULL != iter) {
914                         temp_client = iter->data;
915
916                         if (NULL != temp_client) {
917                                 if (NULL != temp_client->engine_cb) {
918                                         SECURE_SLOG(LOG_DEBUG, tts_tag(), "Engine changed callback : uid(%d)", temp_client->uid);
919                                         temp_client->engine_cb(g_config_info->engine_id, g_config_info->setting,
920                                                 g_config_info->language, g_config_info->type, 
921                                                 g_config_info->auto_voice, g_config_info->credential, temp_client->user_data);
922                                 }
923                         }
924
925                         iter = g_slist_next(iter);
926                 }
927         } else {
928                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Undefined event");
929         }
930
931         SLOG(LOG_DEBUG, tts_tag(), "=====");
932         SLOG(LOG_DEBUG, tts_tag(), " ");
933
934         return ECORE_CALLBACK_PASS_ON;
935 }
936
937 static int __tts_config_mgr_register_engine_config_updated_event(const char* path)
938 {
939         if (NULL == path) {
940                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Path is NULL");
941                 return -1;
942         }
943
944         /* For engine directory monitoring */
945         tts_engine_inotify_s *ino = (tts_engine_inotify_s *)calloc(1, sizeof(tts_engine_inotify_s));
946         if (NULL == ino) {
947                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to allocate memory");
948                 return -1;
949         }
950
951         ino->dir_fd = inotify_init();
952         if (ino->dir_fd < 0) {
953                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to init inotify");
954                 free(ino);
955                 ino = NULL;
956
957                 return -1;
958         }
959
960         ino->dir_wd = inotify_add_watch(ino->dir_fd, path, IN_CLOSE_WRITE);
961         SLOG(LOG_DEBUG, tts_tag(), "Add inotify watch(%s)", path);
962         if (ino->dir_wd < 0) {
963                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to add watch");
964                 free(ino);
965                 ino = NULL;
966                 return -1;
967         }
968
969         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);
970         if (NULL == ino->dir_fd_handler) {
971                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to add fd handler");
972                 free(ino);
973                 ino = NULL;
974                 return -1;
975         }
976
977         /* Set non-blocking mode of file */
978         int value;
979         value = fcntl(ino->dir_fd, F_GETFL, 0);
980         value |= O_NONBLOCK;
981
982         if (0 > fcntl(ino->dir_fd, F_SETFL, value)) {
983                 SLOG(LOG_WARN, tts_tag(), "[WARNING] Fail to set non-block mode");
984         }
985
986         g_ino_list = g_list_append(g_ino_list, ino);
987
988         return 0;
989 }
990
991 static int __tts_config_mgr_unregister_engine_config_updated_event()
992 {
993         /* delete all inotify variable */
994         if (0 < g_list_length(g_ino_list)) {
995                 GList *iter = NULL;
996                 iter = g_list_first(g_ino_list);
997
998                 while (NULL != iter) {
999                         tts_engine_inotify_s *tmp = iter->data;
1000
1001                         if (NULL != tmp) {
1002                                 ecore_main_fd_handler_del(tmp->dir_fd_handler);
1003                                 inotify_rm_watch(tmp->dir_fd, tmp->dir_wd);
1004                                 close(tmp->dir_fd);
1005
1006                                 free(tmp);
1007                                 tmp = NULL;
1008                         }
1009
1010                         g_ino_list = g_list_remove_link(g_ino_list, iter);
1011
1012                         iter = g_list_first(g_ino_list);
1013                 }
1014         }
1015
1016         return 0;
1017 }
1018
1019 int tts_config_mgr_initialize(int uid)
1020 {
1021         GSList *iter = NULL;
1022         int* get_uid;
1023         tts_config_client_s* temp_client = NULL;
1024
1025         /* Register uid */
1026         if (0 < g_slist_length(g_config_client_list)) {
1027                 /* Check uid */
1028                 iter = g_slist_nth(g_config_client_list, 0);
1029
1030                 while (NULL != iter) {
1031                         get_uid = iter->data;
1032
1033                         if (uid == *get_uid) {
1034                                 SECURE_SLOG(LOG_WARN, tts_tag(), "[CONFIG] uid(%d) has already registered", uid);
1035                                 return 0;
1036                         }
1037
1038                         iter = g_slist_next(iter);
1039                 }
1040
1041                 temp_client = (tts_config_client_s*)calloc(1, sizeof(tts_config_client_s));
1042                 if (NULL == temp_client) {
1043                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to allocate memory");
1044                         return TTS_CONFIG_ERROR_OUT_OF_MEMORY;
1045                 }
1046                 temp_client->uid = uid;
1047
1048                 g_config_client_list = g_slist_append(g_config_client_list, temp_client);
1049
1050                 SECURE_SLOG(LOG_WARN, tts_tag(), "[CONFIG] Add uid(%d) but config has already initialized", uid);
1051                 return 0;
1052         } else {
1053                 temp_client = (tts_config_client_s*)calloc(1, sizeof(tts_config_client_s));
1054                 if (NULL == temp_client) {
1055                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to allocate memory");
1056                         return TTS_CONFIG_ERROR_OUT_OF_MEMORY;
1057                 }
1058                 temp_client->uid = uid;
1059
1060                 g_config_client_list = g_slist_append(g_config_client_list, temp_client);
1061         }
1062
1063         if (0 != access(TTS_CONFIG_BASE, F_OK)) {
1064                 if (0 != mkdir(TTS_CONFIG_BASE, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)) {
1065                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to make directory : %s", TTS_CONFIG_BASE);
1066                         __tts_config_release_client(uid);
1067                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1068                 } else {
1069                         SLOG(LOG_DEBUG, tts_tag(), "Success to make directory : %s", TTS_CONFIG_BASE);
1070                 }
1071         }
1072
1073         if (0 != access(TTS_HOME, F_OK)) {
1074                 if (0 != mkdir(TTS_HOME, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)) {
1075                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to make directory : %s", TTS_HOME);
1076                         __tts_config_release_client(uid);
1077                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1078                 } else {
1079                         SLOG(LOG_DEBUG, tts_tag(), "Success to make directory : %s", TTS_HOME);
1080                 }
1081         }
1082
1083         if (0 != access(TTS_DOWNLOAD_BASE, F_OK)) {
1084                 if (0 != mkdir(TTS_DOWNLOAD_BASE, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)) {
1085                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to make directory : %s", TTS_DOWNLOAD_BASE);
1086                         __tts_config_release_client(uid);
1087                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1088                 } else {
1089                         SLOG(LOG_DEBUG, tts_tag(), "Success to make directory : %s", TTS_DOWNLOAD_BASE);
1090                 }
1091         }
1092
1093         if (0 != access(TTS_DOWNLOAD_ENGINE_INFO, F_OK)) {
1094                 if (0 != mkdir(TTS_DOWNLOAD_ENGINE_INFO, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)) {
1095                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to make directory : %s", TTS_DOWNLOAD_ENGINE_INFO);
1096                         __tts_config_release_client(uid);
1097                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1098                 } else {
1099                         SLOG(LOG_DEBUG, tts_tag(), "Success to make directory : %s", TTS_DOWNLOAD_ENGINE_INFO);
1100                 }
1101         }
1102
1103         if (0 != __tts_config_mgr_get_engine_info()) {
1104                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to get engine info");
1105                 __tts_config_release_client(uid);
1106                 __tts_config_release_engine();
1107                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1108         }
1109
1110         __tts_config_mgr_print_engine_info();
1111
1112         if (0 != tts_parser_load_config(&g_config_info)) {
1113                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to parse configure information");
1114                 __tts_config_release_client(uid);
1115                 __tts_config_release_engine();
1116                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1117         }
1118
1119         /* Check whether engine id is valid */
1120         if (0 != __tts_config_mgr_check_engine_is_valid(g_config_info->engine_id)) {
1121                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to get default engine");
1122                 __tts_config_release_client(uid);
1123                 __tts_config_release_engine();
1124                 tts_parser_unload_config(g_config_info);
1125                 g_config_info = NULL;
1126                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1127         }
1128
1129         if (true == g_config_info->auto_voice) {
1130                 /* Check language with display language */
1131                 __tts_config_set_auto_language();
1132         } else {
1133                 if (false == __tts_config_mgr_check_lang_is_valid(g_config_info->engine_id, g_config_info->language, g_config_info->type)) {
1134                         /* Default language is not valid */
1135                         char* tmp_language = NULL;
1136                         int tmp_type = -1;
1137                         if (0 != __tts_config_mgr_select_lang(g_config_info->engine_id, &tmp_language, &tmp_type)) {
1138                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to select language");
1139                                 __tts_config_release_client(uid);
1140                                 __tts_config_release_engine();
1141                                 tts_parser_unload_config(g_config_info);
1142                                 g_config_info = NULL;
1143                                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1144                         }
1145
1146                         if (NULL != tmp_language) {
1147                                 memset(g_language, '\0', sizeof(g_language));
1148                                 g_config_info->language = g_language;
1149                                 strncpy(g_config_info->language, tmp_language, sizeof(g_language) - 1);
1150
1151                                 g_config_info->type = tmp_type;
1152
1153                                 free(tmp_language);
1154                                 tmp_language = NULL;
1155
1156                                 if (0 != tts_parser_set_voice(g_config_info->language, g_config_info->type)) {
1157                                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to save config");
1158                                         __tts_config_release_client(uid);
1159                                         __tts_config_release_engine();
1160                                         tts_parser_unload_config(g_config_info);
1161                                         g_config_info = NULL;
1162                                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1163                                 }
1164                         }
1165                 }
1166         }
1167
1168         /* print daemon config */
1169         SLOG(LOG_DEBUG, tts_tag(), "== TTS config ==");
1170         SECURE_SLOG(LOG_DEBUG, tts_tag(), " engine : %s", g_config_info->engine_id);
1171         SECURE_SLOG(LOG_DEBUG, tts_tag(), " setting : %s", g_config_info->setting);
1172         SECURE_SLOG(LOG_DEBUG, tts_tag(), " auto voice : %s", g_config_info->auto_voice ? "on" : "off");
1173         SECURE_SLOG(LOG_DEBUG, tts_tag(), " language : %s", g_config_info->language);
1174         SECURE_SLOG(LOG_DEBUG, tts_tag(), " voice type : %d", g_config_info->type);
1175         SECURE_SLOG(LOG_DEBUG, tts_tag(), " speech rate : %d", g_config_info->speech_rate);
1176         SECURE_SLOG(LOG_DEBUG, tts_tag(), " pitch : %d", g_config_info->pitch);
1177         SLOG(LOG_DEBUG, tts_tag(), "=================");
1178
1179         if (0 != __tts_config_mgr_register_config_event()) {
1180                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to register config event");
1181                 __tts_config_release_client(uid);
1182                 __tts_config_release_engine();
1183                 tts_parser_unload_config(g_config_info);
1184                 g_config_info = NULL;
1185                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1186         }
1187
1188         /* Register to detect display language change */
1189         vconf_notify_key_changed(TTS_LANGSET_KEY, __tts_config_display_language_changed_cb, NULL);
1190         vconf_notify_key_changed(TTS_ACCESSIBILITY_KEY, __tts_config_screen_reader_changed_cb, NULL);
1191
1192         /* For engine directory monitoring */
1193         //if (0 != __tts_config_mgr_register_engine_config_updated_event()) {
1194         //      SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to register engine config updated event");
1195         //      __tts_config_release_client(uid);
1196         //      __tts_config_release_engine();
1197         //      tts_parser_unload_config(g_config_info);
1198         //      __tts_config_mgr_unregister_config_event();
1199         //      return TTS_CONFIG_ERROR_OPERATION_FAILED;
1200         //}
1201
1202         return 0;
1203 }
1204
1205 int tts_config_mgr_finalize(int uid)
1206 {
1207         if (0 < __tts_config_release_client(uid)) {
1208                 return 0;
1209         }
1210
1211         tts_config_mgr_unset_callback(uid);
1212
1213         __tts_config_release_engine();
1214
1215         tts_parser_unload_config(g_config_info);
1216         g_config_info = NULL;
1217
1218         __tts_config_mgr_unregister_engine_config_updated_event();
1219
1220         __tts_config_mgr_unregister_config_event();
1221
1222         vconf_ignore_key_changed(TTS_LANGSET_KEY, __tts_config_display_language_changed_cb);
1223         vconf_ignore_key_changed(TTS_ACCESSIBILITY_KEY, __tts_config_screen_reader_changed_cb);
1224
1225         return 0;
1226 }
1227
1228 int tts_config_mgr_set_callback(int uid, 
1229                                 tts_config_engine_changed_cb engine_cb, 
1230                                 tts_config_voice_changed_cb voice_cb, 
1231                                 tts_config_speech_rate_changed_cb speech_cb, 
1232                                 tts_config_pitch_changed_cb pitch_cb,
1233                                 void* user_data)
1234 {
1235         GSList *iter = NULL;
1236         tts_config_client_s* temp_client = NULL;
1237
1238         /* Call all callbacks of client*/
1239         iter = g_slist_nth(g_config_client_list, 0);
1240
1241         while (NULL != iter) {
1242                 temp_client = iter->data;
1243
1244                 if (NULL != temp_client) {
1245                         if (uid == temp_client->uid) {
1246                                 temp_client->engine_cb = engine_cb;
1247                                 temp_client->voice_cb = voice_cb;
1248                                 temp_client->speech_cb = speech_cb;
1249                                 temp_client->pitch_cb = pitch_cb;
1250                                 temp_client->user_data = user_data;
1251                         }
1252                 }
1253
1254                 iter = g_slist_next(iter);
1255         }
1256         return 0;
1257 }
1258
1259 int tts_config_mgr_unset_callback(int uid)
1260 {
1261         GSList *iter = NULL;
1262         tts_config_client_s* temp_client = NULL;
1263
1264         /* Call all callbacks of client*/
1265         iter = g_slist_nth(g_config_client_list, 0);
1266
1267         while (NULL != iter) {
1268                 temp_client = iter->data;
1269
1270                 if (NULL != temp_client) {
1271                         if (uid == temp_client->uid) {
1272                                 temp_client->engine_cb = NULL;
1273                                 temp_client->voice_cb = NULL;
1274                                 temp_client->speech_cb = NULL;
1275                                 temp_client->pitch_cb = NULL;
1276                                 temp_client->user_data = NULL;
1277                         }
1278                 }
1279
1280                 iter = g_slist_next(iter);
1281         }
1282
1283         return 0;
1284 }
1285
1286 int tts_config_set_screen_reader_callback(int uid, tts_config_screen_reader_changed_cb callback)
1287 {
1288         if (NULL == callback) {
1289                 SLOG(LOG_ERROR, tts_tag(), "Input parameter is NULL");
1290                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1291         }
1292
1293         GSList *iter = NULL;
1294         tts_config_client_s* temp_client = NULL;
1295
1296         /* Call all callbacks of client*/
1297         iter = g_slist_nth(g_config_client_list, 0);
1298
1299         while (NULL != iter) {
1300                 temp_client = iter->data;
1301
1302                 if (NULL != temp_client) {
1303                         if (uid == temp_client->uid) {
1304                                 temp_client->screen_cb = callback;
1305                         }
1306                 }
1307
1308                 iter = g_slist_next(iter);
1309         }
1310         return 0;
1311 }
1312
1313 int tts_config_unset_screen_reader_callback(int uid)
1314 {
1315         GSList *iter = NULL;
1316         tts_config_client_s* temp_client = NULL;
1317
1318         /* Call all callbacks of client*/
1319         iter = g_slist_nth(g_config_client_list, 0);
1320
1321         while (NULL != iter) {
1322                 temp_client = iter->data;
1323
1324                 if (NULL != temp_client) {
1325                         if (uid == temp_client->uid) {
1326                                 temp_client->screen_cb = NULL;
1327                         }
1328                 }
1329
1330                 iter = g_slist_next(iter);
1331         }
1332         return 0;
1333 }
1334
1335
1336 int tts_config_mgr_get_engine_list(tts_config_supported_engine_cb callback, void* user_data)
1337 {
1338         if (0 >= g_slist_length(g_config_client_list)) {
1339                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1340                 return TTS_CONFIG_ERROR_INVALID_STATE;
1341         }
1342
1343         GSList *iter = NULL;
1344         tts_engine_info_s *engine_info = NULL;
1345
1346         if (0 >= g_slist_length(g_engine_list)) {
1347                 SLOG(LOG_ERROR, tts_tag(), "There is no engine!!");
1348                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1349         }
1350
1351         /* Get a first item */
1352         iter = g_slist_nth(g_engine_list, 0);
1353
1354         while (NULL != iter) {
1355                 engine_info = iter->data;
1356
1357                 if (NULL != engine_info) {
1358                         if (false == callback(engine_info->uuid, engine_info->name, engine_info->setting, user_data)) {
1359                                 break;
1360                         }
1361                 }
1362
1363                 iter = g_slist_next(iter);
1364         }
1365
1366         return 0;
1367 }
1368
1369 int tts_config_mgr_get_engine(char** engine)
1370 {
1371         if (0 >= g_slist_length(g_config_client_list)) {
1372                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1373                 return TTS_CONFIG_ERROR_INVALID_STATE;
1374         }
1375
1376         if (NULL == engine) {
1377                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
1378                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1379         }
1380
1381         if (NULL != g_config_info->engine_id) {
1382                 /* Check engine id is valid */
1383                 GSList *iter = NULL;
1384                 tts_engine_info_s *engine_info = NULL;
1385
1386                 if (0 >= g_slist_length(g_engine_list)) {
1387                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] There is no engine!!");
1388                         return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1389                 }
1390
1391                 /* Get a first item */
1392                 iter = g_slist_nth(g_engine_list, 0);
1393
1394                 while (NULL != iter) {
1395                         engine_info = iter->data;
1396
1397                         if (NULL != engine_info) {
1398                                 if (0 == strcmp(engine_info->uuid, g_config_info->engine_id)) {
1399                                         *engine = strdup(g_config_info->engine_id);
1400                                         return 0;
1401                                 }
1402                         }
1403                         iter = g_slist_next(iter);
1404                 }
1405
1406                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Current engine id is not valid");
1407         } else {
1408                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Engine id is NULL");
1409         }
1410
1411         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1412 }
1413
1414 int __tts_set_buxtonkey(const char* engine)
1415 {
1416         /* Set vconfkey */
1417         struct buxton_client * bux_cli;
1418         struct buxton_layer * bux_layer;
1419         struct buxton_value * bux_val;
1420
1421         int ret = buxton_open(&bux_cli, NULL, NULL);
1422         if (0 != ret) {
1423                 SLOG(LOG_ERROR, tts_tag(), "[DBUS-BUXTON2] buxton_open failed!! (%d)", ret);
1424                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1425         }
1426         bux_layer = buxton_create_layer("system");
1427         if (NULL == bux_layer) {
1428                 SLOG(LOG_ERROR, tts_tag(), "[DBUS-BUXTON2] buxton_create_layer FAIL");
1429                 buxton_close(bux_cli);
1430                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1431         }
1432         bux_val = buxton_value_create_string(engine);
1433         if (NULL == bux_val) {
1434                 SLOG(LOG_ERROR, tts_tag(), "[DBUS-BUXTON2] buxton_value_create_string FAIL");
1435                 buxton_free_layer(bux_layer);
1436                 buxton_close(bux_cli);
1437                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1438         } else {
1439                 SLOG(LOG_DEBUG, tts_tag(), "[DBUS-BUXTON2] layer: %s", buxton_layer_get_name(bux_layer));
1440         }
1441
1442         ret = buxton_set_value_sync(bux_cli, bux_layer, TTS_ENGINE_DB_DEFAULT, bux_val);
1443         if (0 != ret) {
1444                 SLOG(LOG_ERROR, tts_tag(), "[DBUS-BUXTON2] buxton_set_value_sync failed!! (%d)", ret);
1445                 buxton_value_free(bux_val);
1446                 buxton_free_layer(bux_layer);
1447                 buxton_close(bux_cli);
1448
1449                 bux_cli = NULL;
1450                 bux_layer = NULL;
1451                 bux_val = NULL;
1452
1453                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1454         } else {
1455                 SLOG(LOG_DEBUG, tts_tag(), "[DBUS-BUXTON2] buxton_set_value_sync: %d, %s", ret, TTS_ENGINE_DB_DEFAULT);
1456         }
1457
1458         buxton_value_free(bux_val);
1459         buxton_free_layer(bux_layer);
1460         buxton_close(bux_cli);
1461
1462         bux_cli = NULL;
1463         bux_layer = NULL;
1464         bux_val = NULL;
1465
1466         return TTS_CONFIG_ERROR_NONE;
1467 }
1468
1469 int tts_config_mgr_set_engine(const char* engine)
1470 {
1471         if (0 >= g_slist_length(g_config_client_list)) {
1472                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1473                 return TTS_CONFIG_ERROR_INVALID_STATE;
1474         }
1475
1476         if (NULL == engine)
1477                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1478
1479         /* Check current engine id with new engine id */
1480         if (0 == strcmp(g_config_info->engine_id, engine))
1481                 return 0;
1482
1483         if (0 >= g_slist_length(g_engine_list)) {
1484                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] There is no engine!!");
1485                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1486         }
1487
1488         SLOG(LOG_DEBUG, tts_tag(), "New engine id : %s", engine);
1489
1490         int ret = __tts_set_buxtonkey(engine);
1491         if (0 != ret) {
1492                 SLOG(LOG_DEBUG, tts_tag(), "[DEBUG] set_buxtonkey Fail!!");
1493                 return ret;
1494         }
1495
1496         GSList *iter = NULL;
1497         tts_engine_info_s *engine_info = NULL;
1498         bool is_valid_engine = false;
1499
1500         /* Get a first item */
1501         iter = g_slist_nth(g_engine_list, 0);
1502
1503         while (NULL != iter) {
1504                 engine_info = iter->data;
1505
1506                 if (NULL == engine_info) {
1507                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Engine info is NULL");
1508                         iter = g_slist_next(iter);
1509                         continue;
1510                 }
1511
1512                 /* Check engine id is valid */
1513                 if (0 != strcmp(engine, engine_info->uuid)) {
1514                         iter = g_slist_next(iter);
1515                         continue;
1516                 }
1517
1518                 memset(g_engine_id, '\0', sizeof(g_engine_id));
1519                 g_config_info->engine_id = g_engine_id;
1520                 strncpy(g_config_info->engine_id, engine, sizeof(g_engine_id) - 1);
1521
1522                 if (NULL != engine_info->setting) {
1523                         memset(g_setting, '\0', sizeof(g_setting));
1524                         g_config_info->setting = g_setting;
1525                         strncpy(g_config_info->setting, engine_info->setting, sizeof(g_setting) - 1);
1526                 }
1527
1528                 /* Engine is valid*/
1529                 GSList *iter_voice = NULL;
1530                 tts_config_voice_s* voice = NULL;
1531                 bool is_valid_voice = false;
1532
1533                 /* Get a first item */
1534                 iter_voice = g_slist_nth(engine_info->voices, 0);
1535
1536                 while (NULL != iter_voice) {
1537                         /*Get handle data from list*/
1538                         voice = iter_voice->data;
1539
1540                         if (NULL != voice) {
1541                                 if (NULL == voice->language)
1542                                         continue;
1543                                 SLOG(LOG_DEBUG, tts_tag(), " lang(%s) type(%d)", voice->language, voice->type);
1544
1545                                 if (0 == strcmp(voice->language, g_config_info->language)) {
1546                                         if (voice->type == g_config_info->type) {
1547                                                 /* language is valid */
1548                                                 is_valid_voice = true;
1549                                                 g_config_info->type = voice->type;
1550                                         }
1551                                         break;
1552                                 }
1553                         }
1554
1555                         /*Get next item*/
1556                         iter_voice = g_slist_next(iter_voice);
1557                 }
1558
1559                 if (false == is_valid_voice) {
1560                         memset(g_language, '\0', sizeof(g_language));
1561                         g_config_info->language = g_language;
1562
1563                         iter_voice = g_slist_nth(engine_info->voices, 0);
1564                         if (NULL != iter_voice) {
1565                                 voice = iter_voice->data;
1566                                 if (NULL != voice) {
1567                                         if (NULL != voice->language)
1568                                                 strncpy(g_config_info->language, voice->language, sizeof(g_language) - 1);
1569
1570                                         g_config_info->type = voice->type;
1571                                 }
1572                         }
1573                 }
1574
1575                 is_valid_engine = true;
1576                 break;
1577         }
1578
1579         if (true == is_valid_engine) {
1580                 SLOG(LOG_DEBUG, tts_tag(), "[Config] Engine changed");
1581                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "  Engine : %s", g_config_info->engine_id);
1582                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "  Setting : %s", g_config_info->setting);
1583                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "  Language : %s", g_config_info->language);
1584                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "  Type : %d", g_config_info->type);
1585
1586                 if (0 != tts_parser_set_engine(g_config_info->engine_id, g_config_info->setting,
1587                         g_config_info->language, g_config_info->type)) {
1588                                 SLOG(LOG_ERROR, tts_tag(), " Fail to save config");
1589                                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1590                 }
1591         } else {
1592                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Engine id is not valid");
1593                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1594         }
1595
1596         return 0;
1597 }
1598
1599 int tts_config_mgr_get_voice_list(const char* engine_id, tts_config_supported_voice_cb callback, void* user_data)
1600 {
1601         if (0 >= g_slist_length(g_config_client_list)) {
1602                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1603                 return TTS_CONFIG_ERROR_INVALID_STATE;
1604         }
1605
1606         if (0 >= g_slist_length(g_engine_list)) {
1607                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] There is no engine");
1608                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1609         }
1610
1611         GSList *iter = NULL;
1612         tts_engine_info_s *engine_info = NULL;
1613
1614         /* Get a first item */
1615         iter = g_slist_nth(g_engine_list, 0);
1616
1617         while (NULL != iter) {
1618                 engine_info = iter->data;
1619
1620                 if (NULL == engine_info) {
1621                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] engine info is NULL");
1622                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1623                 }
1624
1625                 if (0 != strcmp(engine_id, engine_info->uuid)) {
1626                         iter = g_slist_next(iter);
1627                         continue;
1628                 }
1629
1630                 GSList *iter_voice = NULL;
1631                 tts_config_voice_s* voice = NULL;
1632
1633                 /* Get a first item */
1634                 iter_voice = g_slist_nth(engine_info->voices, 0);
1635
1636                 while (NULL != iter_voice) {
1637                         /*Get handle data from list*/
1638                         voice = iter_voice->data;
1639
1640                         SLOG(LOG_DEBUG, tts_tag(), " lang(%s) type(%d)", voice->language, voice->type);
1641                         if (NULL != voice->language) {
1642                                 if (false == callback(engine_info->uuid, voice->language, voice->type, user_data))
1643                                         break;
1644                         }
1645
1646                         /*Get next item*/
1647                         iter_voice = g_slist_next(iter_voice);
1648                 }
1649                 break;
1650         }
1651
1652         return 0;
1653 }
1654
1655 int tts_config_mgr_get_voice(char** language, int* type)
1656 {
1657         if (0 >= g_slist_length(g_config_client_list)) {
1658                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1659                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1660         }
1661
1662         if (0 >= g_slist_length(g_engine_list)) {
1663                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] There is no engine");
1664                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1665         }
1666
1667         if (NULL == language || NULL == type)
1668                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1669
1670         if (0 != strlen(g_config_info->language)) {
1671                 *language = strdup(g_config_info->language);
1672                 *type = g_config_info->type;
1673         } else {
1674                 SLOG(LOG_ERROR, tts_tag(), "language is NULL");
1675                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1676         }
1677
1678         return 0;
1679 }
1680
1681 int tts_config_mgr_set_voice(const char* language, int type)
1682 {
1683         if (0 >= g_slist_length(g_config_client_list)) {
1684                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1685                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1686         }
1687
1688         if (NULL == language) {
1689                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
1690                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1691         }
1692
1693         if (0 >= g_slist_length(g_engine_list)) {
1694                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] There is no engine");
1695                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1696         }
1697
1698         /* Check language is valid */
1699         if (0 != tts_parser_set_voice(language, type)) {
1700                 SLOG(LOG_ERROR, tts_tag(), "Fail to save default voice");
1701                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1702         }
1703         memset(g_language, '\0', sizeof(g_language));
1704         g_config_info->language = g_language;
1705         strncpy(g_config_info->language, language, sizeof(g_language) - 1);
1706
1707         g_config_info->type = type;
1708
1709         return 0;
1710 }
1711
1712 int tts_config_mgr_get_auto_voice(bool* value)
1713 {
1714         if (0 >= g_slist_length(g_config_client_list)) {
1715                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1716                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1717         }
1718
1719         if (NULL == value)
1720                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1721
1722         *value = g_config_info->auto_voice;
1723
1724         return 0;
1725 }
1726
1727 int tts_config_mgr_set_auto_voice(bool value)
1728 {
1729         if (0 >= g_slist_length(g_config_client_list)) {
1730                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1731                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1732         }
1733
1734         if (g_config_info->auto_voice != value) {
1735                 /* Check language is valid */
1736                 if (0 != tts_parser_set_auto_voice(value)) {
1737                         SLOG(LOG_ERROR, tts_tag(), "Fail to save auto voice option");
1738                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1739                 }
1740                 g_config_info->auto_voice = value;
1741
1742                 if (true == g_config_info->auto_voice) {
1743                         __tts_config_set_auto_language();
1744                 }
1745         }
1746
1747         return 0;
1748 }
1749
1750 int tts_config_mgr_get_speech_rate(int* value)
1751 {
1752         if (0 >= g_slist_length(g_config_client_list)) {
1753                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1754                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1755         }
1756
1757         if (NULL == value) {
1758                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1759         }
1760
1761         *value = g_config_info->speech_rate;
1762
1763         return 0;
1764 }
1765
1766 int tts_config_mgr_set_speech_rate(int value)
1767 {
1768         if (0 >= g_slist_length(g_config_client_list)) {
1769                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1770                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1771         }
1772
1773         if (TTS_CONFIG_SPEED_MIN <= value && value <= TTS_CONFIG_SPEED_MAX) {
1774                 SLOG(LOG_DEBUG, tts_tag(), "[Config] Set speech rate : %d", value);
1775                 if (0 != tts_parser_set_speech_rate(value)) {
1776                         SLOG(LOG_ERROR, tts_tag(), "Fail to save speech rate");
1777                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1778                 }
1779
1780                 g_config_info->speech_rate = value;
1781         } else {
1782                 SLOG(LOG_ERROR, tts_tag(), "[Config ERROR] Speech rate is invalid : %d", value);
1783         }
1784
1785         return 0;
1786 }
1787
1788 int tts_config_mgr_get_pitch(int* value)
1789 {
1790         if (0 >= g_slist_length(g_config_client_list)) {
1791                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1792                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1793         }
1794
1795         if (NULL == value) {
1796                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1797         }
1798
1799         GSList *iter = NULL;
1800         tts_engine_info_s *engine_info = NULL;
1801
1802         if (0 >= g_slist_length(g_engine_list)) {
1803                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] There is no engine!!");
1804                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1805         }
1806
1807         /* Get a first item */
1808         iter = g_slist_nth(g_engine_list, 0);
1809
1810         while (NULL != iter) {
1811                 engine_info = iter->data;
1812
1813                 if (NULL == engine_info) {
1814                         SLOG(LOG_ERROR, tts_tag(), "engine info is NULL");
1815                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1816                 }
1817
1818                 if (0 != strcmp(g_config_info->engine_id, engine_info->uuid)) {
1819                         iter = g_slist_next(iter);
1820                         continue;
1821                 }
1822
1823                 if (false == engine_info->pitch_support) {
1824                         return TTS_CONFIG_ERROR_NOT_SUPPORTED_FEATURE;
1825                 }  else {
1826                         break;
1827                 }
1828         }
1829
1830         *value = g_config_info->pitch;
1831
1832         return 0;
1833 }
1834
1835 int tts_config_mgr_set_pitch(int value)
1836 {
1837         if (0 >= g_slist_length(g_config_client_list)) {
1838                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1839                 return -1;
1840         }
1841
1842         GSList *iter = NULL;
1843         tts_engine_info_s *engine_info = NULL;
1844
1845         if (0 >= g_slist_length(g_engine_list)) {
1846                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] There is no engine!!");
1847                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1848         }
1849
1850         /* Get a first item */
1851         iter = g_slist_nth(g_engine_list, 0);
1852
1853         while (NULL != iter) {
1854                 engine_info = iter->data;
1855
1856                 if (NULL == engine_info) {
1857                         SLOG(LOG_ERROR, tts_tag(), "engine info is NULL");
1858                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1859                 }
1860
1861                 if (0 != strcmp(g_config_info->engine_id, engine_info->uuid)) {
1862                         iter = g_slist_next(iter);
1863                         continue;
1864                 }
1865
1866                 if (false == engine_info->pitch_support) {
1867                         return TTS_CONFIG_ERROR_NOT_SUPPORTED_FEATURE;
1868                 } else {
1869                         break;
1870                 }
1871         }
1872
1873         if (0 != tts_parser_set_pitch(value)) {
1874                 SLOG(LOG_ERROR, tts_tag(), "Fail to save speech rate");
1875                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1876         }
1877
1878         g_config_info->pitch = value;
1879
1880         return 0;
1881 }
1882
1883 bool tts_config_check_default_engine_is_valid(const char* engine)
1884 {
1885         if (0 >= g_slist_length(g_config_client_list)) {
1886                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1887                 return -1;
1888         }
1889
1890         if (NULL == engine)
1891                 return false;
1892
1893         if (0 >= g_slist_length(g_engine_list))
1894                 return false;
1895
1896         GSList *iter = NULL;
1897         tts_engine_info_s *engine_info = NULL;
1898
1899         /* Get a first item */
1900         iter = g_slist_nth(g_engine_list, 0);
1901
1902         while (NULL != iter) {
1903                 engine_info = iter->data;
1904
1905                 if (NULL != engine_info) {
1906                         if (0 == strcmp(engine, engine_info->uuid)) {
1907                                 return true;
1908                         }
1909                 }
1910                 iter = g_slist_next(iter);
1911         }
1912
1913         return false;
1914 }
1915
1916 bool tts_config_check_default_voice_is_valid(const char* language, int type)
1917 {
1918         if (0 >= g_slist_length(g_config_client_list)) {
1919                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1920                 return -1;
1921         }
1922
1923         if (NULL == language)
1924                 return false;
1925
1926         if (0 == strlen(g_config_info->engine_id)) {
1927                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Default engine id is NULL");
1928                 return false;
1929         }
1930
1931         if (0 >= g_slist_length(g_engine_list))
1932                 return false;
1933
1934         GSList *iter = NULL;
1935         tts_engine_info_s *engine_info = NULL;
1936
1937         /* Get a first item */
1938         iter = g_slist_nth(g_engine_list, 0);
1939
1940         while (NULL != iter) {
1941                 engine_info = iter->data;
1942
1943                 if (NULL == engine_info) {
1944                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Engine info is NULL");
1945                         iter = g_slist_next(iter);
1946                         continue;
1947                 }
1948
1949                 if (0 != strcmp(g_config_info->engine_id, engine_info->uuid)) {
1950                         iter = g_slist_next(iter);
1951                         continue;
1952                 }
1953
1954                 GSList *iter_voice = NULL;
1955                 tts_config_voice_s* voice = NULL;
1956
1957                 /* Get a first item */
1958                 iter_voice = g_slist_nth(engine_info->voices, 0);
1959
1960                 while (NULL != iter_voice) {
1961                         voice = iter_voice->data;
1962
1963                         if (0 == strcmp(language, voice->language) && voice->type == type)
1964                                 return true;
1965
1966                         /*Get next item*/
1967                         iter_voice = g_slist_next(iter_voice);
1968                 }
1969
1970                 break;
1971         }
1972
1973         return false;
1974 }
1975
1976
1977 int __tts_config_mgr_print_engine_info()
1978 {
1979         GSList *iter = NULL;
1980         tts_engine_info_s *engine_info = NULL;
1981
1982         if (0 >= g_slist_length(g_engine_list)) {
1983                 SLOG(LOG_DEBUG, tts_tag(), "-------------- engine list -----------------");
1984                 SLOG(LOG_DEBUG, tts_tag(), "  No Engine in engine directory");
1985                 SLOG(LOG_DEBUG, tts_tag(), "--------------------------------------------");
1986                 return 0;
1987         }
1988
1989         /* Get a first item */
1990         iter = g_slist_nth(g_engine_list, 0);
1991
1992         SLOG(LOG_DEBUG, tts_tag(), "--------------- engine list -----------------");
1993
1994         int i = 1;
1995         while (NULL != iter) {
1996                 engine_info = iter->data;
1997
1998                 SLOG(LOG_DEBUG, tts_tag(), "[%dth]", i);
1999                 SLOG(LOG_DEBUG, tts_tag(), " name : %s", engine_info->name);
2000                 SLOG(LOG_DEBUG, tts_tag(), " id   : %s", engine_info->uuid);
2001                 SLOG(LOG_DEBUG, tts_tag(), " setting : %s", engine_info->setting);
2002
2003                 SLOG(LOG_DEBUG, tts_tag(), " Voices");
2004                 GSList *iter_voice = NULL;
2005                 tts_config_voice_s* voice = NULL;
2006
2007                 if (g_slist_length(engine_info->voices) > 0) {
2008                         /* Get a first item */
2009                         iter_voice = g_slist_nth(engine_info->voices, 0);
2010
2011                         int j = 1;
2012                         while (NULL != iter_voice) {
2013                                 /*Get handle data from list*/
2014                                 voice = iter_voice->data;
2015
2016                                 SLOG(LOG_DEBUG, tts_tag(), "  [%dth] lang(%s) type(%d)", j, voice->language, voice->type);
2017
2018                                 /*Get next item*/
2019                                 iter_voice = g_slist_next(iter_voice);
2020                                 j++;
2021                         }
2022                 } else {
2023                         SLOG(LOG_ERROR, tts_tag(), "  Voice is NONE");
2024                 }
2025                 iter = g_slist_next(iter);
2026                 i++;
2027         }
2028         SLOG(LOG_DEBUG, tts_tag(), "--------------------------------------------");
2029
2030         return 0;
2031 }