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/speech/SpeechGrammarList.h"
  31 #include "modules/speech/SpeechRecognition.h"
  32 #include "modules/speech/SpeechRecognitionError.h"
  33 #include "modules/speech/SpeechRecognitionResult.h"
  34 #include "modules/speech/SpeechRecognitionResultList.h"
  35 #include "platform/weborigin/SecurityOrigin.h"
  36 #include "public/web/WebSecurityOrigin.h"
  37 #include "public/web/WebSpeechGrammar.h"
  38 #include "public/web/WebSpeechRecognitionHandle.h"
  39 #include "public/web/WebSpeechRecognitionParams.h"
  40 #include "public/web/WebSpeechRecognitionResult.h"
  41 #include "public/web/WebSpeechRecognizer.h"
  42 #include "wtf/PassRefPtr.h"
  43
  44 namespace blink {
  45
  46 SpeechRecognitionClientProxy::~SpeechRecognitionClientProxy()
  47 {
  48 }
  49
  50 PassOwnPtr<SpeechRecognitionClientProxy> SpeechRecognitionClientProxy::create(WebSpeechRecognizer* recognizer)
  51 {
  52     return adoptPtr(new SpeechRecognitionClientProxy(recognizer));
  53 }
  54
  55 void SpeechRecognitionClientProxy::start(SpeechRecognition* recognition, const SpeechGrammarList* grammarList, const String& lang, bool continuous, bool interimResults, unsigned long maxAlternatives)
  56 {
  57     WebVector<WebSpeechGrammar> webSpeechGrammars(static_cast<size_t>(grammarList->length()));
  58     for (unsigned long i = 0; i < grammarList->length(); ++i)
  59         webSpeechGrammars[i] = grammarList->item(i);
  60
  61     WebSpeechRecognitionParams params(webSpeechGrammars, lang, continuous, interimResults, maxAlternatives, WebSecurityOrigin(recognition->executionContext()->securityOrigin()));
  62     m_recognizer->start(WebSpeechRecognitionHandle(recognition), params, this);
  63 }
  64
  65 void SpeechRecognitionClientProxy::stop(SpeechRecognition* recognition)
  66 {
  67     m_recognizer->stop(WebSpeechRecognitionHandle(recognition), this);
  68 }
  69
  70 void SpeechRecognitionClientProxy::abort(SpeechRecognition* recognition)
  71 {
  72     m_recognizer->abort(WebSpeechRecognitionHandle(recognition), this);
  73 }
  74
  75 void SpeechRecognitionClientProxy::didStartAudio(const WebSpeechRecognitionHandle& handle)
  76 {
  77     SpeechRecognition* recognition(handle);
  78     recognition->didStartAudio();
  79 }
  80
  81 void SpeechRecognitionClientProxy::didStartSound(const WebSpeechRecognitionHandle& handle)
  82 {
  83     SpeechRecognition* recognition(handle);
  84     recognition->didStartSound();
  85     recognition->didStartSpeech();
  86 }
  87
  88 void SpeechRecognitionClientProxy::didEndSound(const WebSpeechRecognitionHandle& handle)
  89 {
  90     SpeechRecognition* recognition(handle);
  91     recognition->didEndSpeech();
  92     recognition->didEndSound();
  93 }
  94
  95 void SpeechRecognitionClientProxy::didEndAudio(const WebSpeechRecognitionHandle& handle)
  96 {
  97     SpeechRecognition* recognition(handle);
  98     recognition->didEndAudio();
  99 }
 100
 101 void SpeechRecognitionClientProxy::didReceiveResults(const WebSpeechRecognitionHandle& handle, const WebVector<WebSpeechRecognitionResult>& newFinalResults, const WebVector<WebSpeechRecognitionResult>& currentInterimResults)
 102 {
 103     SpeechRecognition* recognition(handle);
 104
 105     HeapVector<Member<SpeechRecognitionResult> > finalResultsVector(newFinalResults.size());
 106     for (size_t i = 0; i < newFinalResults.size(); ++i)
 107         finalResultsVector[i] = static_cast<SpeechRecognitionResult*>(newFinalResults[i]);
 108
 109     HeapVector<Member<SpeechRecognitionResult> > interimResultsVector(currentInterimResults.size());
 110     for (size_t i = 0; i < currentInterimResults.size(); ++i)
 111         interimResultsVector[i] = static_cast<SpeechRecognitionResult*>(currentInterimResults[i]);
 112
 113     recognition->didReceiveResults(finalResultsVector, interimResultsVector);
 114 }
 115
 116 void SpeechRecognitionClientProxy::didReceiveNoMatch(const WebSpeechRecognitionHandle& handle, const WebSpeechRecognitionResult& result)
 117 {
 118     SpeechRecognition* recognition(handle);
 119     recognition->didReceiveNoMatch(result);
 120 }
 121
 122 void SpeechRecognitionClientProxy::didReceiveError(const WebSpeechRecognitionHandle& handle, const WebString& message, WebSpeechRecognizerClient::ErrorCode code)
 123 {
 124     SpeechRecognition* recognition(handle);
 125     SpeechRecognitionError::ErrorCode errorCode = static_cast<SpeechRecognitionError::ErrorCode>(code);
 126     recognition->didReceiveError(SpeechRecognitionError::create(errorCode, message));
 127 }
 128
 129 void SpeechRecognitionClientProxy::didStart(const WebSpeechRecognitionHandle& handle)
 130 {
 131     SpeechRecognition* recognition(handle);
 132     recognition->didStart();
 133 }
 134
 135 void SpeechRecognitionClientProxy::didEnd(const WebSpeechRecognitionHandle& handle)
 136 {
 137     SpeechRecognition* recognition(handle);
 138     recognition->didEnd();
 139 }
 140
 141 SpeechRecognitionClientProxy::SpeechRecognitionClientProxy(WebSpeechRecognizer* recognizer)
 142     : m_recognizer(recognizer)
 143 {
 144 }
 145
 146 } // namespace blink