1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "chrome/browser/extensions/extension_tts_api_util.h" 6 7 namespace extension_tts_api_util { 8 9 const char kVoiceNameKey[] = "voiceName"; 10 const char kLocaleKey[] = "locale"; 11 const char kGenderKey[] = "gender"; 12 const char kRateKey[] = "rate"; 13 const char kPitchKey[] = "pitch"; 14 const char kVolumeKey[] = "volume"; 15 const char kEnqueueKey[] = "enqueue"; 16 17 // Static. ReadNumberByKey(DictionaryValue * dict,const char * key,double * ret_value)18bool ReadNumberByKey(DictionaryValue* dict, 19 const char* key, 20 double* ret_value) { 21 Value* value; 22 if (!dict->Get(key, &value)) 23 return false; 24 25 if (value->IsType(Value::TYPE_INTEGER)) { 26 int int_value; 27 if (!dict->GetInteger(key, &int_value)) 28 return false; 29 *ret_value = int_value; 30 } else if (value->IsType(Value::TYPE_DOUBLE)) { 31 if (!dict->GetDouble(key, ret_value)) 32 return false; 33 } else { 34 return false; 35 } 36 return true; 37 } 38 39 } // namespace extension_tts_api_util. 40