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      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
    147