| /* |
| * Copyright (C) 2012 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "web/SpeechRecognitionClientProxy.h" |
| |
| #include <memory> |
| #include "core/dom/ExecutionContext.h" |
| #include "modules/mediastream/MediaStreamTrack.h" |
| #include "modules/speech/SpeechGrammarList.h" |
| #include "modules/speech/SpeechRecognition.h" |
| #include "modules/speech/SpeechRecognitionError.h" |
| #include "modules/speech/SpeechRecognitionResult.h" |
| #include "modules/speech/SpeechRecognitionResultList.h" |
| #include "platform/RuntimeEnabledFeatures.h" |
| #include "platform/weborigin/SecurityOrigin.h" |
| #include "platform/wtf/PassRefPtr.h" |
| #include "platform/wtf/PtrUtil.h" |
| #include "public/platform/WebMediaStreamTrack.h" |
| #include "public/platform/WebSecurityOrigin.h" |
| #include "public/web/WebSpeechGrammar.h" |
| #include "public/web/WebSpeechRecognitionHandle.h" |
| #include "public/web/WebSpeechRecognitionParams.h" |
| #include "public/web/WebSpeechRecognitionResult.h" |
| #include "public/web/WebSpeechRecognizer.h" |
| |
| namespace blink { |
| |
| SpeechRecognitionClientProxy::~SpeechRecognitionClientProxy() {} |
| |
| std::unique_ptr<SpeechRecognitionClientProxy> |
| SpeechRecognitionClientProxy::Create(WebSpeechRecognizer* recognizer) { |
| return WTF::WrapUnique(new SpeechRecognitionClientProxy(recognizer)); |
| } |
| |
| void SpeechRecognitionClientProxy::Start(SpeechRecognition* recognition, |
| const SpeechGrammarList* grammar_list, |
| const String& lang, |
| bool continuous, |
| bool interim_results, |
| unsigned long max_alternatives, |
| MediaStreamTrack* audio_track) { |
| size_t length = |
| grammar_list ? static_cast<size_t>(grammar_list->length()) : 0U; |
| WebVector<WebSpeechGrammar> web_speech_grammars(length); |
| for (unsigned long i = 0; i < length; ++i) |
| web_speech_grammars[i] = grammar_list->item(i); |
| |
| WebMediaStreamTrack track; |
| if (RuntimeEnabledFeatures::mediaStreamSpeechEnabled() && audio_track) |
| track.Assign(audio_track->Component()); |
| WebSpeechRecognitionParams params( |
| web_speech_grammars, lang, continuous, interim_results, max_alternatives, |
| track, |
| WebSecurityOrigin( |
| recognition->GetExecutionContext()->GetSecurityOrigin())); |
| recognizer_->Start(recognition, params, this); |
| } |
| |
| void SpeechRecognitionClientProxy::Stop(SpeechRecognition* recognition) { |
| recognizer_->Stop(recognition, this); |
| } |
| |
| void SpeechRecognitionClientProxy::Abort(SpeechRecognition* recognition) { |
| recognizer_->Abort(recognition, this); |
| } |
| |
| void SpeechRecognitionClientProxy::DidStartAudio( |
| const WebSpeechRecognitionHandle& handle) { |
| SpeechRecognition* recognition(handle); |
| recognition->DidStartAudio(); |
| } |
| |
| void SpeechRecognitionClientProxy::DidStartSound( |
| const WebSpeechRecognitionHandle& handle) { |
| SpeechRecognition* recognition(handle); |
| recognition->DidStartSound(); |
| recognition->DidStartSpeech(); |
| } |
| |
| void SpeechRecognitionClientProxy::DidEndSound( |
| const WebSpeechRecognitionHandle& handle) { |
| SpeechRecognition* recognition(handle); |
| recognition->DidEndSpeech(); |
| recognition->DidEndSound(); |
| } |
| |
| void SpeechRecognitionClientProxy::DidEndAudio( |
| const WebSpeechRecognitionHandle& handle) { |
| SpeechRecognition* recognition(handle); |
| recognition->DidEndAudio(); |
| } |
| |
| void SpeechRecognitionClientProxy::DidReceiveResults( |
| const WebSpeechRecognitionHandle& handle, |
| const WebVector<WebSpeechRecognitionResult>& new_final_results, |
| const WebVector<WebSpeechRecognitionResult>& current_interim_results) { |
| SpeechRecognition* recognition(handle); |
| |
| HeapVector<Member<SpeechRecognitionResult>> final_results_vector( |
| new_final_results.size()); |
| for (size_t i = 0; i < new_final_results.size(); ++i) |
| final_results_vector[i] = |
| Member<SpeechRecognitionResult>(new_final_results[i]); |
| |
| HeapVector<Member<SpeechRecognitionResult>> interim_results_vector( |
| current_interim_results.size()); |
| for (size_t i = 0; i < current_interim_results.size(); ++i) |
| interim_results_vector[i] = |
| Member<SpeechRecognitionResult>(current_interim_results[i]); |
| |
| recognition->DidReceiveResults(final_results_vector, interim_results_vector); |
| } |
| |
| void SpeechRecognitionClientProxy::DidReceiveNoMatch( |
| const WebSpeechRecognitionHandle& handle, |
| const WebSpeechRecognitionResult& result) { |
| SpeechRecognition* recognition(handle); |
| recognition->DidReceiveNoMatch(result); |
| } |
| |
| void SpeechRecognitionClientProxy::DidReceiveError( |
| const WebSpeechRecognitionHandle& handle, |
| const WebString& message, |
| WebSpeechRecognizerClient::ErrorCode code) { |
| SpeechRecognition* recognition(handle); |
| SpeechRecognitionError::ErrorCode error_code = |
| static_cast<SpeechRecognitionError::ErrorCode>(code); |
| recognition->DidReceiveError( |
| SpeechRecognitionError::Create(error_code, message)); |
| } |
| |
| void SpeechRecognitionClientProxy::DidStart( |
| const WebSpeechRecognitionHandle& handle) { |
| SpeechRecognition* recognition(handle); |
| recognition->DidStart(); |
| } |
| |
| void SpeechRecognitionClientProxy::DidEnd( |
| const WebSpeechRecognitionHandle& handle) { |
| SpeechRecognition* recognition(handle); |
| recognition->DidEnd(); |
| } |
| |
| SpeechRecognitionClientProxy::SpeechRecognitionClientProxy( |
| WebSpeechRecognizer* recognizer) |
| : recognizer_(recognizer) {} |
| |
| } // namespace blink |