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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "content/browser/speech/speech_recognition_request.h" | 5 #include "content/browser/speech/speech_recognition_request.h" |
| 6 | 6 |
| 7 #include <vector> | 7 #include <vector> |
| 8 | 8 |
| 9 #include "base/json/json_reader.h" | 9 #include "base/json/json_reader.h" |
| 10 #include "base/string_number_conversions.h" | 10 #include "base/string_number_conversions.h" |
| 11 #include "base/string_util.h" | 11 #include "base/string_util.h" |
| 12 #include "base/values.h" | 12 #include "base/values.h" |
| 13 #include "content/browser/speech/speech_input_preferences.h" |
| 13 #include "net/base/escape.h" | 14 #include "net/base/escape.h" |
| 14 #include "net/base/load_flags.h" | 15 #include "net/base/load_flags.h" |
| 15 #include "net/url_request/url_request_context.h" | 16 #include "net/url_request/url_request_context.h" |
| 16 #include "net/url_request/url_request_context_getter.h" | 17 #include "net/url_request/url_request_context_getter.h" |
| 17 #include "net/url_request/url_request_status.h" | 18 #include "net/url_request/url_request_status.h" |
| 18 | 19 |
| 19 namespace { | 20 namespace { |
| 20 | 21 |
| 21 const char* const kDefaultSpeechRecognitionUrl = | 22 const char* const kDefaultSpeechRecognitionUrl = |
| 22 "https://www.google.com/speech-api/v1/recognize?xjerr=1&client=chromium&"; | 23 "https://www.google.com/speech-api/v1/recognize?xjerr=1&client=chromium&"; |
| (...skipping 92 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 115 net::URLRequestContextGetter* context, Delegate* delegate) | 116 net::URLRequestContextGetter* context, Delegate* delegate) |
| 116 : url_context_(context), | 117 : url_context_(context), |
| 117 delegate_(delegate) { | 118 delegate_(delegate) { |
| 118 DCHECK(delegate); | 119 DCHECK(delegate); |
| 119 } | 120 } |
| 120 | 121 |
| 121 SpeechRecognitionRequest::~SpeechRecognitionRequest() {} | 122 SpeechRecognitionRequest::~SpeechRecognitionRequest() {} |
| 122 | 123 |
| 123 void SpeechRecognitionRequest::Start(const std::string& language, | 124 void SpeechRecognitionRequest::Start(const std::string& language, |
| 124 const std::string& grammar, | 125 const std::string& grammar, |
| 125 bool censor_results, | 126 SpeechInputPreferences* speech_input_prefs, |
| 126 const std::string& hardware_info, | 127 const std::string& hardware_info, |
| 127 const std::string& origin_url, | 128 const std::string& origin_url, |
| 128 const std::string& content_type) { | 129 const std::string& content_type) { |
| 129 DCHECK(!url_fetcher_.get()); | 130 DCHECK(!url_fetcher_.get()); |
| 130 | 131 |
| 131 std::vector<std::string> parts; | 132 std::vector<std::string> parts; |
| 132 | 133 |
| 133 std::string lang_param = language; | 134 std::string lang_param = language; |
| 134 if (lang_param.empty() && url_context_) { | 135 if (lang_param.empty() && url_context_) { |
| 135 // If no language is provided then we use the first from the accepted | 136 // If no language is provided then we use the first from the accepted |
| 136 // language list. If this list is empty then it defaults to "en-US". | 137 // language list. If this list is empty then it defaults to "en-US". |
| 137 // Example of the contents of this list: "es,en-GB;q=0.8", "" | 138 // Example of the contents of this list: "es,en-GB;q=0.8", "" |
| 138 net::URLRequestContext* request_context = | 139 net::URLRequestContext* request_context = |
| 139 url_context_->GetURLRequestContext(); | 140 url_context_->GetURLRequestContext(); |
| 140 DCHECK(request_context); | 141 DCHECK(request_context); |
| 141 std::string accepted_language_list = request_context->accept_language(); | 142 std::string accepted_language_list = request_context->accept_language(); |
| 142 size_t separator = accepted_language_list.find_first_of(",;"); | 143 size_t separator = accepted_language_list.find_first_of(",;"); |
| 143 lang_param = accepted_language_list.substr(0, separator); | 144 lang_param = accepted_language_list.substr(0, separator); |
| 144 } | 145 } |
| 145 if (lang_param.empty()) | 146 if (lang_param.empty()) |
| 146 lang_param = "en-US"; | 147 lang_param = "en-US"; |
| 147 parts.push_back("lang=" + net::EscapeQueryParamValue(lang_param, true)); | 148 parts.push_back("lang=" + net::EscapeQueryParamValue(lang_param, true)); |
| 148 | 149 |
| 149 if (!grammar.empty()) | 150 if (!grammar.empty()) |
| 150 parts.push_back("lm=" + net::EscapeQueryParamValue(grammar, true)); | 151 parts.push_back("lm=" + net::EscapeQueryParamValue(grammar, true)); |
| 151 if (!hardware_info.empty()) | 152 if (!hardware_info.empty()) |
| 152 parts.push_back("xhw=" + net::EscapeQueryParamValue(hardware_info, true)); | 153 parts.push_back("xhw=" + net::EscapeQueryParamValue(hardware_info, true)); |
| 153 parts.push_back("maxresults=" + base::IntToString(kMaxResults)); | 154 parts.push_back("maxresults=" + base::IntToString(kMaxResults)); |
| 154 parts.push_back(censor_results ? "pfilter=2" : "pfilter=0"); | 155 parts.push_back(speech_input_prefs->censor_results() |
| 156 ? "pfilter=2" : "pfilter=0"); |
| 155 | 157 |
| 156 GURL url(std::string(kDefaultSpeechRecognitionUrl) + JoinString(parts, '&')); | 158 GURL url(std::string(kDefaultSpeechRecognitionUrl) + JoinString(parts, '&')); |
| 157 | 159 |
| 158 url_fetcher_.reset(URLFetcher::Create(url_fetcher_id_for_tests, | 160 url_fetcher_.reset(URLFetcher::Create(url_fetcher_id_for_tests, |
| 159 url, | 161 url, |
| 160 URLFetcher::POST, | 162 URLFetcher::POST, |
| 161 this)); | 163 this)); |
| 162 url_fetcher_->set_chunked_upload(content_type); | 164 url_fetcher_->set_chunked_upload(content_type); |
| 163 url_fetcher_->set_request_context(url_context_); | 165 url_fetcher_->set_request_context(url_context_); |
| 164 url_fetcher_->set_referrer(origin_url); | 166 url_fetcher_->set_referrer(origin_url); |
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| 192 SpeechInputResultArray result; | 194 SpeechInputResultArray result; |
| 193 if (!error) | 195 if (!error) |
| 194 error = !ParseServerResponse(data, &result); | 196 error = !ParseServerResponse(data, &result); |
| 195 url_fetcher_.reset(); | 197 url_fetcher_.reset(); |
| 196 | 198 |
| 197 DVLOG(1) << "SpeechRecognitionRequest: Invoking delegate with result."; | 199 DVLOG(1) << "SpeechRecognitionRequest: Invoking delegate with result."; |
| 198 delegate_->SetRecognitionResult(error, result); | 200 delegate_->SetRecognitionResult(error, result); |
| 199 } | 201 } |
| 200 | 202 |
| 201 } // namespace speech_input | 203 } // namespace speech_input |
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