Merge "Fix passing parameter after null" into tizen
[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
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         int ret = -1;
750         struct dirent entry;
751         struct dirent *dirp = NULL;
752
753         char filepath[512] = {'\0',};
754         int filesize;
755         tts_engine_info_s* info = NULL;
756
757         __tts_config_release_engine();
758         g_engine_list = NULL;
759         __tts_config_mgr_unregister_engine_config_updated_event();
760
761         /* Copy default info directory to download directory */
762         dp  = opendir(TTS_DEFAULT_ENGINE_INFO);
763         if (NULL == dp) {
764                 SLOG(LOG_DEBUG, tts_tag(), "[CONFIG] No default directory : %s", TTS_DEFAULT_ENGINE_INFO);
765         } else {
766                 do {
767                         ret = readdir_r(dp, &entry, &dirp);
768                         if (0 != ret) {
769                                 SLOG(LOG_ERROR, tts_tag(), "[CONFIG] Fail to read directory");
770                                 break;
771                         }
772
773                         if (NULL != dirp) {
774                                 filesize = strlen(TTS_DEFAULT_ENGINE_INFO) + strlen(dirp->d_name) + 2;
775                                 if (filesize >= 512) {
776                                         SECURE_SLOG(LOG_ERROR, tts_tag(), "[CONFIG ERROR] File path is too long : %s", dirp->d_name);
777                                         closedir(dp);
778                                         return -1;
779                                 }
780
781                                 memset(filepath, '\0', 512);
782                                 snprintf(filepath, 512, "%s/%s", TTS_DEFAULT_ENGINE_INFO, dirp->d_name);
783
784                                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "[CONFIG] Filepath(%s)", filepath);
785
786                                 char dest[512] = {'\0',};
787                                 snprintf(dest, 512, "%s/%s", TTS_DOWNLOAD_ENGINE_INFO, dirp->d_name);
788
789                                 if (0 != access(dest, F_OK)) {
790                                         if (0 != tts_parser_copy_xml(filepath, dest)) {
791                                                 SLOG(LOG_ERROR, tts_tag(), "[CONFIG ERROR] Fail to copy engine info");
792                                         }
793                                 }
794                         }
795                 } while (NULL != dirp);
796
797                 closedir(dp);
798         }
799
800         /* Get engine info from default engine directory */
801         dp  = opendir(TTS_DOWNLOAD_ENGINE_INFO);
802         if (NULL == dp) {
803                 SLOG(LOG_DEBUG, tts_tag(), "[CONFIG] No downloadable directory : %s", TTS_DOWNLOAD_ENGINE_INFO);
804         } else {
805                 do {
806                         ret = readdir_r(dp, &entry, &dirp);
807                         if (0 != ret) {
808                                 SLOG(LOG_ERROR, tts_tag(), "[CONFIG] Fail to read directory");
809                                 break;
810                         }
811
812                         if (NULL != dirp) {
813                                 filesize = strlen(TTS_DOWNLOAD_ENGINE_INFO) + strlen(dirp->d_name) + 2;
814                                 if (filesize >= 512) {
815                                         SECURE_SLOG(LOG_ERROR, tts_tag(), "[CONFIG ERROR] File path is too long : %s", dirp->d_name);
816                                         closedir(dp);
817                                         return -1;
818                                 }
819
820                                 memset(filepath, '\0', 512);
821                                 snprintf(filepath, 512, "%s/%s", TTS_DOWNLOAD_ENGINE_INFO, dirp->d_name);
822
823                                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "[CONFIG] Filepath(%s)", filepath);
824
825                                 if (0 == tts_parser_get_engine_info(filepath, &info)) {
826                                         g_engine_list = g_slist_append(g_engine_list, info);
827                                         if (0 != __tts_config_mgr_register_engine_config_updated_event(filepath)) {
828                                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to register engine config updated event");
829                                         }
830                                 }
831                         }
832                 } while (NULL != dirp);
833
834                 closedir(dp);
835         }
836
837         if (0 >= g_slist_length(g_engine_list)) {
838                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] No engine");
839                 return -1;
840         }
841
842         return 0;
843 }
844
845 static Eina_Bool __tts_config_mgr_engine_config_inotify_event_callback(void* data, Ecore_Fd_Handler *fd_handler)
846 {
847         SLOG(LOG_DEBUG, tts_tag(), "===== Engine config updated callback event");
848
849         tts_engine_inotify_s *ino = (tts_engine_inotify_s *)data;
850         int dir_fd = ino->dir_fd;
851
852         int length;
853         struct inotify_event event;
854         memset(&event, '\0', sizeof(struct inotify_event));
855
856         length = read(dir_fd, &event, sizeof(struct inotify_event));
857         if (0 > length) {
858                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty Inotify event");
859                 SLOG(LOG_DEBUG, tts_tag(), "=====");
860                 SLOG(LOG_DEBUG, tts_tag(), " ");
861                 return ECORE_CALLBACK_DONE;
862         }
863
864         if (IN_CLOSE_WRITE == event.mask) {
865                 int ret = __tts_config_mgr_get_engine_info();
866                 if (0 != ret) {
867                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to get engine info when config updated");
868                 }
869                 __tts_config_mgr_print_engine_info();
870                 bool support = tts_config_check_default_voice_is_valid(g_config_info->language, g_config_info->type);
871                 if (false == support) {
872                         SLOG(LOG_DEBUG, tts_tag(), "[ERROR] Default voice is valid");
873                         char* temp_lang = NULL;
874                         int temp_type;
875                         ret = __tts_config_mgr_select_lang(g_config_info->engine_id, &temp_lang, &temp_type);
876                         if (0 != ret) {
877                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to get voice");
878                         }
879
880                         ret = tts_config_mgr_set_voice(temp_lang, temp_type);
881                         if (0 != ret) {
882                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to set voice");
883                         } else {
884                                 SLOG(LOG_DEBUG, tts_tag(), "[DEBUG] Saved default voice : lang(%s), type(%d)", g_config_info->language, g_config_info->type);
885                         }
886                         if (NULL != temp_lang)  free(temp_lang);
887                 }
888
889                 GSList *iter = NULL;
890                 tts_config_client_s* temp_client = NULL;
891                 /* Call all callbacks of client*/
892                 iter = g_slist_nth(g_config_client_list, 0);
893
894                 while (NULL != iter) {
895                         temp_client = iter->data;
896
897                         if (NULL != temp_client) {
898                                 if (NULL != temp_client->engine_cb) {
899                                         SECURE_SLOG(LOG_DEBUG, tts_tag(), "Engine changed callback : uid(%d)", temp_client->uid);
900                                         temp_client->engine_cb(g_config_info->engine_id, g_config_info->setting,
901                                                 g_config_info->language, g_config_info->type, 
902                                                 g_config_info->auto_voice, g_config_info->credential, temp_client->user_data);
903                                 }
904                         }
905
906                         iter = g_slist_next(iter);
907                 }
908         } else {
909                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Undefined event");
910         }
911
912         SLOG(LOG_DEBUG, tts_tag(), "=====");
913         SLOG(LOG_DEBUG, tts_tag(), " ");
914
915         return ECORE_CALLBACK_PASS_ON;
916 }
917
918 static int __tts_config_mgr_register_engine_config_updated_event(const char* path)
919 {
920         if (NULL == path) {
921                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Path is NULL");
922                 return -1;
923         }
924
925         /* For engine directory monitoring */
926         tts_engine_inotify_s *ino = (tts_engine_inotify_s *)calloc(1, sizeof(tts_engine_inotify_s));
927         if (NULL == ino) {
928                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to allocate memory");
929                 return -1;
930         }
931
932         ino->dir_fd = inotify_init();
933         if (ino->dir_fd < 0) {
934                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to init inotify");
935                 free(ino);
936                 ino = NULL;
937
938                 return -1;
939         }
940
941         ino->dir_wd = inotify_add_watch(ino->dir_fd, path, IN_CLOSE_WRITE);
942         SLOG(LOG_DEBUG, tts_tag(), "Add inotify watch(%s)", path);
943         if (ino->dir_wd < 0) {
944                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to add watch");
945                 free(ino);
946                 ino = NULL;
947                 return -1;
948         }
949
950         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);
951         if (NULL == ino->dir_fd_handler) {
952                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to add fd handler");
953                 free(ino);
954                 ino = NULL;
955                 return -1;
956         }
957
958         /* Set non-blocking mode of file */
959         int value;
960         value = fcntl(ino->dir_fd, F_GETFL, 0);
961         value |= O_NONBLOCK;
962
963         if (0 > fcntl(ino->dir_fd, F_SETFL, value)) {
964                 SLOG(LOG_WARN, tts_tag(), "[WARNING] Fail to set non-block mode");
965         }
966
967         g_ino_list = g_list_append(g_ino_list, ino);
968
969         return 0;
970 }
971
972 static int __tts_config_mgr_unregister_engine_config_updated_event()
973 {
974         /* delete all inotify variable */
975         if (0 < g_list_length(g_ino_list)) {
976                 GList *iter = NULL;
977                 iter = g_list_first(g_ino_list);
978
979                 while (NULL != iter) {
980                         tts_engine_inotify_s *tmp = iter->data;
981
982                         if (NULL != tmp) {
983                                 ecore_main_fd_handler_del(tmp->dir_fd_handler);
984                                 inotify_rm_watch(tmp->dir_fd, tmp->dir_wd);
985                                 close(tmp->dir_fd);
986
987                                 free(tmp);
988                         }
989
990                         g_ino_list = g_list_remove_link(g_ino_list, iter);
991
992                         iter = g_list_first(g_ino_list);
993                 }
994         }
995
996         return 0;
997 }
998
999 int tts_config_mgr_initialize(int uid)
1000 {
1001         GSList *iter = NULL;
1002         int* get_uid;
1003         tts_config_client_s* temp_client = NULL;
1004
1005         /* Register uid */
1006         if (0 < g_slist_length(g_config_client_list)) {
1007                 /* Check uid */
1008                 iter = g_slist_nth(g_config_client_list, 0);
1009
1010                 while (NULL != iter) {
1011                         get_uid = iter->data;
1012
1013                         if (uid == *get_uid) {
1014                                 SECURE_SLOG(LOG_WARN, tts_tag(), "[CONFIG] uid(%d) has already registered", uid);
1015                                 return 0;
1016                         }
1017
1018                         iter = g_slist_next(iter);
1019                 }
1020
1021                 temp_client = (tts_config_client_s*)calloc(1, sizeof(tts_config_client_s));
1022                 if (NULL == temp_client) {
1023                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to allocate memory");
1024                         return TTS_CONFIG_ERROR_OUT_OF_MEMORY;
1025                 }
1026                 temp_client->uid = uid;
1027
1028                 g_config_client_list = g_slist_append(g_config_client_list, temp_client);
1029
1030                 SECURE_SLOG(LOG_WARN, tts_tag(), "[CONFIG] Add uid(%d) but config has already initialized", uid);
1031                 return 0;
1032         } else {
1033                 temp_client = (tts_config_client_s*)calloc(1, sizeof(tts_config_client_s));
1034                 if (NULL == temp_client) {
1035                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to allocate memory");
1036                         return TTS_CONFIG_ERROR_OUT_OF_MEMORY;
1037                 }
1038                 temp_client->uid = uid;
1039
1040                 g_config_client_list = g_slist_append(g_config_client_list, temp_client);
1041         }
1042
1043         if (0 != access(TTS_CONFIG_BASE, F_OK)) {
1044                 if (0 != mkdir(TTS_CONFIG_BASE, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)) {
1045                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to make directory : %s", TTS_CONFIG_BASE);
1046                         __tts_config_release_client(uid);
1047                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1048                 } else {
1049                         SLOG(LOG_DEBUG, tts_tag(), "Success to make directory : %s", TTS_CONFIG_BASE);
1050                 }
1051         }
1052
1053         if (0 != access(TTS_HOME, F_OK)) {
1054                 if (0 != mkdir(TTS_HOME, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)) {
1055                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to make directory : %s", TTS_HOME);
1056                         __tts_config_release_client(uid);
1057                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1058                 } else {
1059                         SLOG(LOG_DEBUG, tts_tag(), "Success to make directory : %s", TTS_HOME);
1060                 }
1061         }
1062
1063         if (0 != access(TTS_DOWNLOAD_BASE, F_OK)) {
1064                 if (0 != mkdir(TTS_DOWNLOAD_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_DOWNLOAD_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_DOWNLOAD_BASE);
1070                 }
1071         }
1072
1073         if (0 != access(TTS_DOWNLOAD_ENGINE_INFO, F_OK)) {
1074                 if (0 != mkdir(TTS_DOWNLOAD_ENGINE_INFO, 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_DOWNLOAD_ENGINE_INFO);
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_DOWNLOAD_ENGINE_INFO);
1080                 }
1081         }
1082
1083         if (0 != __tts_config_mgr_get_engine_info()) {
1084                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to get engine info");
1085                 __tts_config_release_client(uid);
1086                 __tts_config_release_engine();
1087                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1088         }
1089
1090         __tts_config_mgr_print_engine_info();
1091
1092         if (0 != tts_parser_load_config(&g_config_info)) {
1093                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to parse configure information");
1094                 __tts_config_release_client(uid);
1095                 __tts_config_release_engine();
1096                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1097         }
1098
1099         /* Check whether engine id is valid */
1100         if (0 != __tts_config_mgr_check_engine_is_valid(g_config_info->engine_id)) {
1101                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to get default engine");
1102                 __tts_config_release_client(uid);
1103                 __tts_config_release_engine();
1104                 tts_parser_unload_config(g_config_info);
1105                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1106         }
1107
1108         if (true == g_config_info->auto_voice) {
1109                 /* Check language with display language */
1110                 __tts_config_set_auto_language();
1111         } else {
1112                 if (false == __tts_config_mgr_check_lang_is_valid(g_config_info->engine_id, g_config_info->language, g_config_info->type)) {
1113                         /* Default language is not valid */
1114                         char* tmp_language = NULL;
1115                         int tmp_type = -1;
1116                         if (0 != __tts_config_mgr_select_lang(g_config_info->engine_id, &tmp_language, &tmp_type)) {
1117                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to select language");
1118                                 __tts_config_release_client(uid);
1119                                 __tts_config_release_engine();
1120                                 tts_parser_unload_config(g_config_info);
1121                                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1122                         }
1123
1124                         if (NULL != tmp_language) {
1125                                 if (NULL != g_config_info->language) {
1126                                         free(g_config_info->language);
1127                                         g_config_info->language = strdup(tmp_language);
1128                                 }
1129
1130                                 g_config_info->type = tmp_type;
1131
1132                                 free(tmp_language);
1133
1134                                 if (0 != tts_parser_set_voice(g_config_info->language, g_config_info->type)) {
1135                                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to save config");
1136                                         __tts_config_release_client(uid);
1137                                         __tts_config_release_engine();
1138                                         tts_parser_unload_config(g_config_info);
1139                                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1140                                 }
1141                         }
1142                 }
1143         }
1144
1145         /* print daemon config */
1146         SLOG(LOG_DEBUG, tts_tag(), "== TTS config ==");
1147         SECURE_SLOG(LOG_DEBUG, tts_tag(), " engine : %s", g_config_info->engine_id);
1148         SECURE_SLOG(LOG_DEBUG, tts_tag(), " setting : %s", g_config_info->setting);
1149         SECURE_SLOG(LOG_DEBUG, tts_tag(), " auto voice : %s", g_config_info->auto_voice ? "on" : "off");
1150         SECURE_SLOG(LOG_DEBUG, tts_tag(), " language : %s", g_config_info->language);
1151         SECURE_SLOG(LOG_DEBUG, tts_tag(), " voice type : %d", g_config_info->type);
1152         SECURE_SLOG(LOG_DEBUG, tts_tag(), " speech rate : %d", g_config_info->speech_rate);
1153         SECURE_SLOG(LOG_DEBUG, tts_tag(), " pitch : %d", g_config_info->pitch);
1154         SLOG(LOG_DEBUG, tts_tag(), "=================");
1155
1156         if (0 != __tts_config_mgr_register_config_event()) {
1157                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to register config event");
1158                 __tts_config_release_client(uid);
1159                 __tts_config_release_engine();
1160                 tts_parser_unload_config(g_config_info);
1161                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1162         }
1163
1164         /* Register to detect display language change */
1165         vconf_notify_key_changed(TTS_LANGSET_KEY, __tts_config_display_language_changed_cb, NULL);
1166         vconf_notify_key_changed(TTS_ACCESSIBILITY_KEY, __tts_config_screen_reader_changed_cb, NULL);
1167
1168         /* For engine directory monitoring */
1169         //if (0 != __tts_config_mgr_register_engine_config_updated_event()) {
1170         //      SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to register engine config updated event");
1171         //      __tts_config_release_client(uid);
1172         //      __tts_config_release_engine();
1173         //      tts_parser_unload_config(g_config_info);
1174         //      __tts_config_mgr_unregister_config_event();
1175         //      return TTS_CONFIG_ERROR_OPERATION_FAILED;
1176         //}
1177
1178         return 0;
1179 }
1180
1181 int tts_config_mgr_finalize(int uid)
1182 {
1183         if (0 < __tts_config_release_client(uid)) {
1184                 return 0;
1185         }
1186
1187         tts_config_mgr_unset_callback(uid);
1188
1189         __tts_config_release_engine();
1190
1191         tts_parser_unload_config(g_config_info);
1192
1193         __tts_config_mgr_unregister_engine_config_updated_event();
1194
1195         __tts_config_mgr_unregister_config_event();
1196
1197         vconf_ignore_key_changed(TTS_LANGSET_KEY, __tts_config_display_language_changed_cb);
1198         vconf_ignore_key_changed(TTS_ACCESSIBILITY_KEY, __tts_config_screen_reader_changed_cb);
1199
1200         return 0;
1201 }
1202
1203 int tts_config_mgr_set_callback(int uid, 
1204                                 tts_config_engine_changed_cb engine_cb, 
1205                                 tts_config_voice_changed_cb voice_cb, 
1206                                 tts_config_speech_rate_changed_cb speech_cb, 
1207                                 tts_config_pitch_changed_cb pitch_cb,
1208                                 void* user_data)
1209 {
1210         GSList *iter = NULL;
1211         tts_config_client_s* temp_client = NULL;
1212
1213         /* Call all callbacks of client*/
1214         iter = g_slist_nth(g_config_client_list, 0);
1215
1216         while (NULL != iter) {
1217                 temp_client = iter->data;
1218
1219                 if (NULL != temp_client) {
1220                         if (uid == temp_client->uid) {
1221                                 temp_client->engine_cb = engine_cb;
1222                                 temp_client->voice_cb = voice_cb;
1223                                 temp_client->speech_cb = speech_cb;
1224                                 temp_client->pitch_cb = pitch_cb;
1225                                 temp_client->user_data = user_data;
1226                         }
1227                 }
1228
1229                 iter = g_slist_next(iter);
1230         }
1231         return 0;
1232 }
1233
1234 int tts_config_mgr_unset_callback(int uid)
1235 {
1236         GSList *iter = NULL;
1237         tts_config_client_s* temp_client = NULL;
1238
1239         /* Call all callbacks of client*/
1240         iter = g_slist_nth(g_config_client_list, 0);
1241
1242         while (NULL != iter) {
1243                 temp_client = iter->data;
1244
1245                 if (NULL != temp_client) {
1246                         if (uid == temp_client->uid) {
1247                                 temp_client->engine_cb = NULL;
1248                                 temp_client->voice_cb = NULL;
1249                                 temp_client->speech_cb = NULL;
1250                                 temp_client->pitch_cb = NULL;
1251                                 temp_client->user_data = NULL;
1252                         }
1253                 }
1254
1255                 iter = g_slist_next(iter);
1256         }
1257
1258         return 0;
1259 }
1260
1261 int tts_config_set_screen_reader_callback(int uid, tts_config_screen_reader_changed_cb callback)
1262 {
1263         if (NULL == callback) {
1264                 SLOG(LOG_ERROR, tts_tag(), "Input parameter is NULL");
1265                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1266         }
1267
1268         GSList *iter = NULL;
1269         tts_config_client_s* temp_client = NULL;
1270
1271         /* Call all callbacks of client*/
1272         iter = g_slist_nth(g_config_client_list, 0);
1273
1274         while (NULL != iter) {
1275                 temp_client = iter->data;
1276
1277                 if (NULL != temp_client) {
1278                         if (uid == temp_client->uid) {
1279                                 temp_client->screen_cb = callback;
1280                         }
1281                 }
1282
1283                 iter = g_slist_next(iter);
1284         }
1285         return 0;
1286 }
1287
1288 int tts_config_unset_screen_reader_callback(int uid)
1289 {
1290         GSList *iter = NULL;
1291         tts_config_client_s* temp_client = NULL;
1292
1293         /* Call all callbacks of client*/
1294         iter = g_slist_nth(g_config_client_list, 0);
1295
1296         while (NULL != iter) {
1297                 temp_client = iter->data;
1298
1299                 if (NULL != temp_client) {
1300                         if (uid == temp_client->uid) {
1301                                 temp_client->screen_cb = NULL;
1302                         }
1303                 }
1304
1305                 iter = g_slist_next(iter);
1306         }
1307         return 0;
1308 }
1309
1310
1311 int tts_config_mgr_get_engine_list(tts_config_supported_engine_cb callback, void* user_data)
1312 {
1313         if (0 >= g_slist_length(g_config_client_list)) {
1314                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1315                 return TTS_CONFIG_ERROR_INVALID_STATE;
1316         }
1317
1318         GSList *iter = NULL;
1319         tts_engine_info_s *engine_info = NULL;
1320
1321         if (0 >= g_slist_length(g_engine_list)) {
1322                 SLOG(LOG_ERROR, tts_tag(), "There is no engine!!");
1323                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1324         }
1325
1326         /* Get a first item */
1327         iter = g_slist_nth(g_engine_list, 0);
1328
1329         while (NULL != iter) {
1330                 engine_info = iter->data;
1331
1332                 if (NULL != engine_info) {
1333                         if (false == callback(engine_info->uuid, engine_info->name, engine_info->setting, user_data)) {
1334                                 break;
1335                         }
1336                 }
1337
1338                 iter = g_slist_next(iter);
1339         }
1340
1341         return 0;
1342 }
1343
1344 int tts_config_mgr_get_engine(char** engine)
1345 {
1346         if (0 >= g_slist_length(g_config_client_list)) {
1347                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1348                 return TTS_CONFIG_ERROR_INVALID_STATE;
1349         }
1350
1351         if (NULL == engine) {
1352                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
1353                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1354         }
1355
1356         if (NULL != g_config_info->engine_id) {
1357                 /* Check engine id is valid */
1358                 GSList *iter = NULL;
1359                 tts_engine_info_s *engine_info = NULL;
1360
1361                 if (0 >= g_slist_length(g_engine_list)) {
1362                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] There is no engine!!");
1363                         return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1364                 }
1365
1366                 /* Get a first item */
1367                 iter = g_slist_nth(g_engine_list, 0);
1368
1369                 while (NULL != iter) {
1370                         engine_info = iter->data;
1371
1372                         if (NULL != engine_info) {
1373                                 if (0 == strcmp(engine_info->uuid, g_config_info->engine_id)) {
1374                                         *engine = strdup(g_config_info->engine_id);
1375                                         return 0;
1376                                 }
1377                         }
1378                         iter = g_slist_next(iter);
1379                 }
1380
1381                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Current engine id is not valid");
1382         } else {
1383                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Engine id is NULL");
1384         }
1385
1386         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1387 }
1388
1389 int __tts_set_buxtonkey(const char* engine)
1390 {
1391         /* Set vconfkey */
1392         struct buxton_client * bux_cli;
1393         struct buxton_layer * bux_layer;
1394         struct buxton_value * bux_val;
1395
1396         int ret = buxton_open(&bux_cli, NULL, NULL);
1397         if (0 != ret) {
1398                 SLOG(LOG_ERROR, tts_tag(), "[DBUS-BUXTON2] buxton_open failed!! (%d)", ret);
1399                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1400         }
1401         bux_layer = buxton_create_layer("system");
1402         if (NULL == bux_layer) {
1403                 SLOG(LOG_ERROR, tts_tag(), "[DBUS-BUXTON2] buxton_create_layer FAIL");
1404                 buxton_close(bux_cli);
1405                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1406         }
1407         bux_val = buxton_value_create_string(engine);
1408         if (NULL == bux_val) {
1409                 SLOG(LOG_ERROR, tts_tag(), "[DBUS-BUXTON2] buxton_value_create_string FAIL");
1410                 buxton_free_layer(bux_layer);
1411                 buxton_close(bux_cli);
1412                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1413         } else {
1414                 SLOG(LOG_DEBUG, tts_tag(), "[DBUS-BUXTON2] layer: %s", buxton_layer_get_name(bux_layer));
1415         }
1416
1417         ret = buxton_set_value_sync(bux_cli, bux_layer, TTS_ENGINE_DB_DEFAULT, bux_val);
1418         if (0 != ret) {
1419                 SLOG(LOG_ERROR, tts_tag(), "[DBUS-BUXTON2] buxton_set_value_sync failed!! (%d)", ret);
1420                 buxton_value_free(bux_val);
1421                 buxton_free_layer(bux_layer);
1422                 buxton_close(bux_cli);
1423
1424                 bux_cli = NULL;
1425                 bux_layer = NULL;
1426                 bux_val = NULL;
1427
1428                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1429         } else {
1430                 SLOG(LOG_DEBUG, tts_tag(), "[DBUS-BUXTON2] buxton_set_value_sync: %d, %s", ret, TTS_ENGINE_DB_DEFAULT);
1431         }
1432
1433         buxton_value_free(bux_val);
1434         buxton_free_layer(bux_layer);
1435         buxton_close(bux_cli);
1436
1437         bux_cli = NULL;
1438         bux_layer = NULL;
1439         bux_val = NULL;
1440
1441         return TTS_CONFIG_ERROR_NONE;
1442 }
1443
1444 int tts_config_mgr_set_engine(const char* engine)
1445 {
1446         if (0 >= g_slist_length(g_config_client_list)) {
1447                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1448                 return TTS_CONFIG_ERROR_INVALID_STATE;
1449         }
1450
1451         if (NULL == engine)
1452                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1453
1454         /* Check current engine id with new engine id */
1455         if (NULL != g_config_info->engine_id) {
1456                 if (0 == strcmp(g_config_info->engine_id, engine))
1457                         return 0;
1458         }
1459
1460         if (0 >= g_slist_length(g_engine_list)) {
1461                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] There is no engine!!");
1462                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1463         }
1464
1465         SLOG(LOG_DEBUG, tts_tag(), "New engine id : %s", engine);
1466
1467         int ret = __tts_set_buxtonkey(engine);
1468         if (0 != ret) {
1469                 SLOG(LOG_DEBUG, tts_tag(), "[DEBUG] set_buxtonkey Fail!!");
1470                 return ret;
1471         }
1472
1473         GSList *iter = NULL;
1474         tts_engine_info_s *engine_info = NULL;
1475         bool is_valid_engine = false;
1476
1477         /* Get a first item */
1478         iter = g_slist_nth(g_engine_list, 0);
1479
1480         while (NULL != iter) {
1481                 engine_info = iter->data;
1482
1483                 if (NULL == engine_info) {
1484                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Engine info is NULL");
1485                         iter = g_slist_next(iter);
1486                         continue;
1487                 }
1488
1489                 /* Check engine id is valid */
1490                 if (0 != strcmp(engine, engine_info->uuid)) {
1491                         iter = g_slist_next(iter);
1492                         continue;
1493                 }
1494
1495                 if (NULL != g_config_info->engine_id)
1496                         free(g_config_info->engine_id);
1497
1498                 g_config_info->engine_id = strdup(engine);
1499
1500                 if (NULL != g_config_info->setting) {
1501                         free(g_config_info->setting);
1502                         g_config_info->setting = NULL;
1503                 }
1504
1505                 if (NULL != engine_info->setting) {
1506                         g_config_info->setting = strdup(engine_info->setting);
1507                 }
1508
1509                 /* Engine is valid*/
1510                 GSList *iter_voice = NULL;
1511                 tts_config_voice_s* voice = NULL;
1512                 bool is_valid_voice = false;
1513
1514                 /* Get a first item */
1515                 iter_voice = g_slist_nth(engine_info->voices, 0);
1516
1517                 while (NULL != iter_voice) {
1518                         /*Get handle data from list*/
1519                         voice = iter_voice->data;
1520
1521                         if (NULL != voice) {
1522                                 if (NULL == voice->language)
1523                                         continue;
1524                                 SLOG(LOG_DEBUG, tts_tag(), " lang(%s) type(%d)", voice->language, voice->type);
1525
1526                                 if (0 == strcmp(voice->language, g_config_info->language)) {
1527                                         if (voice->type == g_config_info->type) {
1528                                                 /* language is valid */
1529                                                 is_valid_voice = true;
1530                                                 g_config_info->type = voice->type;
1531                                         }
1532                                         break;
1533                                 }
1534                         }
1535
1536                         /*Get next item*/
1537                         iter_voice = g_slist_next(iter_voice);
1538                 }
1539
1540                 if (false == is_valid_voice) {
1541                         if (NULL != g_config_info->language) {
1542                                 free(g_config_info->language);
1543
1544                                 iter_voice = g_slist_nth(engine_info->voices, 0);
1545                                 if (NULL != iter_voice) {
1546                                         voice = iter_voice->data;
1547                                         if (NULL != voice) {
1548                                                 if (NULL != voice->language)
1549                                                         g_config_info->language = strdup(voice->language);
1550                                                 g_config_info->type = voice->type;
1551                                         }
1552                                 }
1553                         }
1554                 }
1555
1556                 is_valid_engine = true;
1557                 break;
1558         }
1559
1560         if (true == is_valid_engine) {
1561                 SLOG(LOG_DEBUG, tts_tag(), "[Config] Engine changed");
1562                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "  Engine : %s", g_config_info->engine_id);
1563                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "  Setting : %s", g_config_info->setting);
1564                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "  Language : %s", g_config_info->language);
1565                 SECURE_SLOG(LOG_DEBUG, tts_tag(), "  Type : %d", g_config_info->type);
1566
1567                 if (0 != tts_parser_set_engine(g_config_info->engine_id, g_config_info->setting,
1568                         g_config_info->language, g_config_info->type)) {
1569                                 SLOG(LOG_ERROR, tts_tag(), " Fail to save config");
1570                                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1571                 }
1572         } else {
1573                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Engine id is not valid");
1574                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1575         }
1576
1577         return 0;
1578 }
1579
1580 int tts_config_mgr_get_voice_list(const char* engine_id, tts_config_supported_voice_cb callback, void* user_data)
1581 {
1582         if (0 >= g_slist_length(g_config_client_list)) {
1583                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1584                 return TTS_CONFIG_ERROR_INVALID_STATE;
1585         }
1586
1587         if (0 >= g_slist_length(g_engine_list)) {
1588                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] There is no engine");
1589                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1590         }
1591
1592         GSList *iter = NULL;
1593         tts_engine_info_s *engine_info = NULL;
1594
1595         /* Get a first item */
1596         iter = g_slist_nth(g_engine_list, 0);
1597
1598         while (NULL != iter) {
1599                 engine_info = iter->data;
1600
1601                 if (NULL == engine_info) {
1602                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] engine info is NULL");
1603                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1604                 }
1605
1606                 if (0 != strcmp(engine_id, engine_info->uuid)) {
1607                         iter = g_slist_next(iter);
1608                         continue;
1609                 }
1610
1611                 GSList *iter_voice = NULL;
1612                 tts_config_voice_s* voice = NULL;
1613
1614                 /* Get a first item */
1615                 iter_voice = g_slist_nth(engine_info->voices, 0);
1616
1617                 while (NULL != iter_voice) {
1618                         /*Get handle data from list*/
1619                         voice = iter_voice->data;
1620
1621                         SLOG(LOG_DEBUG, tts_tag(), " lang(%s) type(%d)", voice->language, voice->type);
1622                         if (NULL != voice->language) {
1623                                 if (false == callback(engine_info->uuid, voice->language, voice->type, user_data))
1624                                         break;
1625                         }
1626
1627                         /*Get next item*/
1628                         iter_voice = g_slist_next(iter_voice);
1629                 }
1630                 break;
1631         }
1632
1633         return 0;
1634 }
1635
1636 int tts_config_mgr_get_voice(char** language, int* type)
1637 {
1638         if (0 >= g_slist_length(g_config_client_list)) {
1639                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1640                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1641         }
1642
1643         if (0 >= g_slist_length(g_engine_list)) {
1644                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] There is no engine");
1645                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1646         }
1647
1648         if (NULL == language || NULL == type)
1649                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1650
1651         if (NULL != g_config_info->language) {
1652                 *language = strdup(g_config_info->language);
1653                 *type = g_config_info->type;
1654         } else {
1655                 SLOG(LOG_ERROR, tts_tag(), "language is NULL");
1656                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1657         }
1658
1659         return 0;
1660 }
1661
1662 int tts_config_mgr_set_voice(const char* language, int type)
1663 {
1664         if (0 >= g_slist_length(g_config_client_list)) {
1665                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1666                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1667         }
1668
1669         if (NULL == language) {
1670                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
1671                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1672         }
1673
1674         if (0 >= g_slist_length(g_engine_list)) {
1675                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] There is no engine");
1676                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1677         }
1678
1679         /* Check language is valid */
1680         if (NULL != g_config_info->language) {
1681                 if (0 != tts_parser_set_voice(language, type)) {
1682                         SLOG(LOG_ERROR, tts_tag(), "Fail to save default voice");
1683                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1684                 }
1685                 free(g_config_info->language);
1686                 g_config_info->language = strdup(language);
1687                 g_config_info->type = type;
1688
1689         } else {
1690                 SLOG(LOG_ERROR, tts_tag(), "language is NULL");
1691                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1692         }
1693
1694         return 0;
1695 }
1696
1697 int tts_config_mgr_get_auto_voice(bool* value)
1698 {
1699         if (0 >= g_slist_length(g_config_client_list)) {
1700                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1701                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1702         }
1703
1704         if (NULL == value)
1705                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1706
1707         *value = g_config_info->auto_voice;
1708
1709         return 0;
1710 }
1711
1712 int tts_config_mgr_set_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 (g_config_info->auto_voice != value) {
1720                 /* Check language is valid */
1721                 if (0 != tts_parser_set_auto_voice(value)) {
1722                         SLOG(LOG_ERROR, tts_tag(), "Fail to save auto voice option");
1723                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1724                 }
1725                 g_config_info->auto_voice = value;
1726
1727                 if (true == g_config_info->auto_voice) {
1728                         __tts_config_set_auto_language();
1729                 }
1730         }
1731
1732         return 0;
1733 }
1734
1735 int tts_config_mgr_get_speech_rate(int* value)
1736 {
1737         if (0 >= g_slist_length(g_config_client_list)) {
1738                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1739                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1740         }
1741
1742         if (NULL == value) {
1743                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1744         }
1745
1746         *value = g_config_info->speech_rate;
1747
1748         return 0;
1749 }
1750
1751 int tts_config_mgr_set_speech_rate(int value)
1752 {
1753         if (0 >= g_slist_length(g_config_client_list)) {
1754                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1755                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1756         }
1757
1758         if (TTS_CONFIG_SPEED_MIN <= value && value <= TTS_CONFIG_SPEED_MAX) {
1759                 SLOG(LOG_DEBUG, tts_tag(), "[Config] Set speech rate : %d", value);
1760                 if (0 != tts_parser_set_speech_rate(value)) {
1761                         SLOG(LOG_ERROR, tts_tag(), "Fail to save speech rate");
1762                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1763                 }
1764
1765                 g_config_info->speech_rate = value;
1766         } else {
1767                 SLOG(LOG_ERROR, tts_tag(), "[Config ERROR] Speech rate is invalid : %d", value);
1768         }
1769
1770         return 0;
1771 }
1772
1773 int tts_config_mgr_get_pitch(int* value)
1774 {
1775         if (0 >= g_slist_length(g_config_client_list)) {
1776                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1777                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1778         }
1779
1780         if (NULL == value) {
1781                 return TTS_CONFIG_ERROR_INVALID_PARAMETER;
1782         }
1783
1784         GSList *iter = NULL;
1785         tts_engine_info_s *engine_info = NULL;
1786
1787         if (0 >= g_slist_length(g_engine_list)) {
1788                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] There is no engine!!");
1789                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1790         }
1791
1792         /* Get a first item */
1793         iter = g_slist_nth(g_engine_list, 0);
1794
1795         while (NULL != iter) {
1796                 engine_info = iter->data;
1797
1798                 if (NULL == engine_info) {
1799                         SLOG(LOG_ERROR, tts_tag(), "engine info is NULL");
1800                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1801                 }
1802
1803                 if (0 != strcmp(g_config_info->engine_id, engine_info->uuid)) {
1804                         iter = g_slist_next(iter);
1805                         continue;
1806                 }
1807
1808                 if (false == engine_info->pitch_support) {
1809                         return TTS_CONFIG_ERROR_NOT_SUPPORTED_FEATURE;
1810                 }  else {
1811                         break;
1812                 }
1813         }
1814
1815         *value = g_config_info->pitch;
1816
1817         return 0;
1818 }
1819
1820 int tts_config_mgr_set_pitch(int value)
1821 {
1822         if (0 >= g_slist_length(g_config_client_list)) {
1823                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1824                 return -1;
1825         }
1826
1827         GSList *iter = NULL;
1828         tts_engine_info_s *engine_info = NULL;
1829
1830         if (0 >= g_slist_length(g_engine_list)) {
1831                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] There is no engine!!");
1832                 return TTS_CONFIG_ERROR_ENGINE_NOT_FOUND;
1833         }
1834
1835         /* Get a first item */
1836         iter = g_slist_nth(g_engine_list, 0);
1837
1838         while (NULL != iter) {
1839                 engine_info = iter->data;
1840
1841                 if (NULL == engine_info) {
1842                         SLOG(LOG_ERROR, tts_tag(), "engine info is NULL");
1843                         return TTS_CONFIG_ERROR_OPERATION_FAILED;
1844                 }
1845
1846                 if (0 != strcmp(g_config_info->engine_id, engine_info->uuid)) {
1847                         iter = g_slist_next(iter);
1848                         continue;
1849                 }
1850
1851                 if (false == engine_info->pitch_support) {
1852                         return TTS_CONFIG_ERROR_NOT_SUPPORTED_FEATURE;
1853                 } else {
1854                         break;
1855                 }
1856         }
1857
1858         if (0 != tts_parser_set_pitch(value)) {
1859                 SLOG(LOG_ERROR, tts_tag(), "Fail to save speech rate");
1860                 return TTS_CONFIG_ERROR_OPERATION_FAILED;
1861         }
1862
1863         g_config_info->pitch = value;
1864
1865         return 0;
1866 }
1867
1868 bool tts_config_check_default_engine_is_valid(const char* engine)
1869 {
1870         if (0 >= g_slist_length(g_config_client_list)) {
1871                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1872                 return -1;
1873         }
1874
1875         if (NULL == engine)
1876                 return false;
1877
1878         if (0 >= g_slist_length(g_engine_list))
1879                 return false;
1880
1881         GSList *iter = NULL;
1882         tts_engine_info_s *engine_info = NULL;
1883
1884         /* Get a first item */
1885         iter = g_slist_nth(g_engine_list, 0);
1886
1887         while (NULL != iter) {
1888                 engine_info = iter->data;
1889
1890                 if (NULL != engine_info) {
1891                         if (0 == strcmp(engine, engine_info->uuid)) {
1892                                 return true;
1893                         }
1894                 }
1895                 iter = g_slist_next(iter);
1896         }
1897
1898         return false;
1899 }
1900
1901 bool tts_config_check_default_voice_is_valid(const char* language, int type)
1902 {
1903         if (0 >= g_slist_length(g_config_client_list)) {
1904                 SLOG(LOG_ERROR, tts_tag(), "Not initialized");
1905                 return -1;
1906         }
1907
1908         if (NULL == language)
1909                 return false;
1910
1911         if (NULL == g_config_info->engine_id) {
1912                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Default engine id is NULL");
1913                 return false;
1914         }
1915
1916         if (0 >= g_slist_length(g_engine_list))
1917                 return false;
1918
1919         GSList *iter = NULL;
1920         tts_engine_info_s *engine_info = NULL;
1921
1922         /* Get a first item */
1923         iter = g_slist_nth(g_engine_list, 0);
1924
1925         while (NULL != iter) {
1926                 engine_info = iter->data;
1927
1928                 if (NULL == engine_info) {
1929                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Engine info is NULL");
1930                         iter = g_slist_next(iter);
1931                         continue;
1932                 }
1933
1934                 if (0 != strcmp(g_config_info->engine_id, engine_info->uuid)) {
1935                         iter = g_slist_next(iter);
1936                         continue;
1937                 }
1938
1939                 GSList *iter_voice = NULL;
1940                 tts_config_voice_s* voice = NULL;
1941
1942                 /* Get a first item */
1943                 iter_voice = g_slist_nth(engine_info->voices, 0);
1944
1945                 while (NULL != iter_voice) {
1946                         voice = iter_voice->data;
1947
1948                         if (0 == strcmp(language, voice->language) && voice->type == type)
1949                                 return true;
1950
1951                         /*Get next item*/
1952                         iter_voice = g_slist_next(iter_voice);
1953                 }
1954
1955                 break;
1956         }
1957
1958         return false;
1959 }
1960
1961
1962 int __tts_config_mgr_print_engine_info()
1963 {
1964         GSList *iter = NULL;
1965         tts_engine_info_s *engine_info = NULL;
1966
1967         if (0 >= g_slist_length(g_engine_list)) {
1968                 SLOG(LOG_DEBUG, tts_tag(), "-------------- engine list -----------------");
1969                 SLOG(LOG_DEBUG, tts_tag(), "  No Engine in engine directory");
1970                 SLOG(LOG_DEBUG, tts_tag(), "--------------------------------------------");
1971                 return 0;
1972         }
1973
1974         /* Get a first item */
1975         iter = g_slist_nth(g_engine_list, 0);
1976
1977         SLOG(LOG_DEBUG, tts_tag(), "--------------- engine list -----------------");
1978
1979         int i = 1;
1980         while (NULL != iter) {
1981                 engine_info = iter->data;
1982
1983                 SLOG(LOG_DEBUG, tts_tag(), "[%dth]", i);
1984                 SLOG(LOG_DEBUG, tts_tag(), " name : %s", engine_info->name);
1985                 SLOG(LOG_DEBUG, tts_tag(), " id   : %s", engine_info->uuid);
1986                 SLOG(LOG_DEBUG, tts_tag(), " setting : %s", engine_info->setting);
1987
1988                 SLOG(LOG_DEBUG, tts_tag(), " Voices");
1989                 GSList *iter_voice = NULL;
1990                 tts_config_voice_s* voice = NULL;
1991
1992                 if (g_slist_length(engine_info->voices) > 0) {
1993                         /* Get a first item */
1994                         iter_voice = g_slist_nth(engine_info->voices, 0);
1995
1996                         int j = 1;
1997                         while (NULL != iter_voice) {
1998                                 /*Get handle data from list*/
1999                                 voice = iter_voice->data;
2000
2001                                 SLOG(LOG_DEBUG, tts_tag(), "  [%dth] lang(%s) type(%d)", j, voice->language, voice->type);
2002
2003                                 /*Get next item*/
2004                                 iter_voice = g_slist_next(iter_voice);
2005                                 j++;
2006                         }
2007                 } else {
2008                         SLOG(LOG_ERROR, tts_tag(), "  Voice is NONE");
2009                 }
2010                 iter = g_slist_next(iter);
2011                 i++;
2012         }
2013         SLOG(LOG_DEBUG, tts_tag(), "--------------------------------------------");
2014
2015         return 0;
2016 }