src/third_party/WebKit/Source/web/SpeechRecognitionClientProxy.cpp

   1 /*
   2  * Copyright (C) 2012 Google Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *  * Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  *  * Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "config.h"
  27 #include "web/SpeechRecognitionClientProxy.h"
  28
  29 #include "core/dom/ExecutionContext.h"
  30 #include "modules/mediastream/MediaStreamTrack.h"
  31 #include "modules/speech/SpeechGrammarList.h"
  32 #include "modules/speech/SpeechRecognition.h"
  33 #include "modules/speech/SpeechRecognitionError.h"
  34 #include "modules/speech/SpeechRecognitionResult.h"
  35 #include "modules/speech/SpeechRecognitionResultList.h"
  36 #include "platform/RuntimeEnabledFeatures.h"
  37 #include "platform/weborigin/SecurityOrigin.h"
  38 #include "public/platform/WebMediaStreamTrack.h"
  39 #include "public/web/WebSecurityOrigin.h"
  40 #include "public/web/WebSpeechGrammar.h"
  41 #include "public/web/WebSpeechRecognitionHandle.h"
  42 #include "public/web/WebSpeechRecognitionParams.h"
  43 #include "public/web/WebSpeechRecognitionResult.h"
  44 #include "public/web/WebSpeechRecognizer.h"
  45 #include "wtf/PassRefPtr.h"
  46
  47 namespace blink {
  48
  49 SpeechRecognitionClientProxy::~SpeechRecognitionClientProxy()
  50 {
  51 }
  52
  53 PassOwnPtr<SpeechRecognitionClientProxy> SpeechRecognitionClientProxy::create(WebSpeechRecognizer* recognizer)
  54 {
  55     return adoptPtr(new SpeechRecognitionClientProxy(recognizer));
  56 }
  57
  58 void SpeechRecognitionClientProxy::start(SpeechRecognition* recognition, const SpeechGrammarList* grammarList, const String& lang, bool continuous, bool interimResults, unsigned long maxAlternatives, MediaStreamTrack* audioTrack)
  59 {
  60     WebVector<WebSpeechGrammar> webSpeechGrammars(static_cast<size_t>(grammarList->length()));
  61     for (unsigned long i = 0; i < grammarList->length(); ++i)
  62         webSpeechGrammars[i] = grammarList->item(i);
  63
  64     WebMediaStreamTrack track;
  65     if (RuntimeEnabledFeatures::mediaStreamSpeechEnabled() && audioTrack)
  66         track.assign(audioTrack->component());
  67     WebSpeechRecognitionParams params(webSpeechGrammars, lang, continuous, interimResults, maxAlternatives, track, WebSecurityOrigin(recognition->executionContext()->securityOrigin()));
  68     m_recognizer->start(recognition, params, this);
  69 }
  70
  71 void SpeechRecognitionClientProxy::stop(SpeechRecognition* recognition)
  72 {
  73     m_recognizer->stop(recognition, this);
  74 }
  75
  76 void SpeechRecognitionClientProxy::abort(SpeechRecognition* recognition)
  77 {
  78     m_recognizer->abort(recognition, this);
  79 }
  80
  81 void SpeechRecognitionClientProxy::didStartAudio(const WebSpeechRecognitionHandle& handle)
  82 {
  83     SpeechRecognition* recognition(handle);
  84     recognition->didStartAudio();
  85 }
  86
  87 void SpeechRecognitionClientProxy::didStartSound(const WebSpeechRecognitionHandle& handle)
  88 {
  89     SpeechRecognition* recognition(handle);
  90     recognition->didStartSound();
  91     recognition->didStartSpeech();
  92 }
  93
  94 void SpeechRecognitionClientProxy::didEndSound(const WebSpeechRecognitionHandle& handle)
  95 {
  96     SpeechRecognition* recognition(handle);
  97     recognition->didEndSpeech();
  98     recognition->didEndSound();
  99 }
 100
 101 void SpeechRecognitionClientProxy::didEndAudio(const WebSpeechRecognitionHandle& handle)
 102 {
 103     SpeechRecognition* recognition(handle);
 104     recognition->didEndAudio();
 105 }
 106
 107 void SpeechRecognitionClientProxy::didReceiveResults(const WebSpeechRecognitionHandle& handle, const WebVector<WebSpeechRecognitionResult>& newFinalResults, const WebVector<WebSpeechRecognitionResult>& currentInterimResults)
 108 {
 109     SpeechRecognition* recognition(handle);
 110
 111     HeapVector<Member<SpeechRecognitionResult> > finalResultsVector(newFinalResults.size());
 112     for (size_t i = 0; i < newFinalResults.size(); ++i)
 113         finalResultsVector[i] = Member<SpeechRecognitionResult>(newFinalResults[i]);
 114
 115     HeapVector<Member<SpeechRecognitionResult> > interimResultsVector(currentInterimResults.size());
 116     for (size_t i = 0; i < currentInterimResults.size(); ++i)
 117         interimResultsVector[i] = Member<SpeechRecognitionResult>(currentInterimResults[i]);
 118
 119     recognition->didReceiveResults(finalResultsVector, interimResultsVector);
 120 }
 121
 122 void SpeechRecognitionClientProxy::didReceiveNoMatch(const WebSpeechRecognitionHandle& handle, const WebSpeechRecognitionResult& result)
 123 {
 124     SpeechRecognition* recognition(handle);
 125     recognition->didReceiveNoMatch(result);
 126 }
 127
 128 void SpeechRecognitionClientProxy::didReceiveError(const WebSpeechRecognitionHandle& handle, const WebString& message, WebSpeechRecognizerClient::ErrorCode code)
 129 {
 130     SpeechRecognition* recognition(handle);
 131     SpeechRecognitionError::ErrorCode errorCode = static_cast<SpeechRecognitionError::ErrorCode>(code);
 132     recognition->didReceiveError(SpeechRecognitionError::create(errorCode, message));
 133 }
 134
 135 void SpeechRecognitionClientProxy::didStart(const WebSpeechRecognitionHandle& handle)
 136 {
 137     SpeechRecognition* recognition(handle);
 138     recognition->didStart();
 139 }
 140
 141 void SpeechRecognitionClientProxy::didEnd(const WebSpeechRecognitionHandle& handle)
 142 {
 143     SpeechRecognition* recognition(handle);
 144     recognition->didEnd();
 145 }
 146
 147 SpeechRecognitionClientProxy::SpeechRecognitionClientProxy(WebSpeechRecognizer* recognizer)
 148     : m_recognizer(recognizer)
 149 {
 150 }
 151
 152 } // namespace blink