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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 "SpeechRecognitionClientProxy.h"
     28 
     29 #include "wtf/PassRefPtr.h"
     30 #include "WebSecurityOrigin.h"
     31 #include "WebSpeechGrammar.h"
     32 #include "WebSpeechRecognitionHandle.h"
     33 #include "WebSpeechRecognitionParams.h"
     34 #include "WebSpeechRecognitionResult.h"
     35 #include "WebSpeechRecognizer.h"
     36 #include "core/dom/ExecutionContext.h"
     37 #include "modules/speech/SpeechGrammarList.h"
     38 #include "modules/speech/SpeechRecognition.h"
     39 #include "modules/speech/SpeechRecognitionError.h"
     40 #include "modules/speech/SpeechRecognitionResult.h"
     41 #include "modules/speech/SpeechRecognitionResultList.h"
     42 #include "platform/weborigin/SecurityOrigin.h"
     43 
     44 using namespace WebCore;
     45 
     46 namespace blink {
     47 
     48 SpeechRecognitionClientProxy::~SpeechRecognitionClientProxy()
     49 {
     50 }
     51 
     52 PassOwnPtr<SpeechRecognitionClientProxy> SpeechRecognitionClientProxy::create(WebSpeechRecognizer* recognizer)
     53 {
     54     return adoptPtr(new SpeechRecognitionClientProxy(recognizer));
     55 }
     56 
     57 void SpeechRecognitionClientProxy::start(SpeechRecognition* recognition, const SpeechGrammarList* grammarList, const String& lang, bool continuous, bool interimResults, unsigned long maxAlternatives)
     58 {
     59     WebVector<WebSpeechGrammar> webSpeechGrammars(static_cast<size_t>(grammarList->length()));
     60     for (unsigned long i = 0; i < grammarList->length(); ++i)
     61         webSpeechGrammars[i] = grammarList->item(i);
     62 
     63     WebSpeechRecognitionParams params(webSpeechGrammars, lang, continuous, interimResults, maxAlternatives, WebSecurityOrigin(recognition->executionContext()->securityOrigin()));
     64     m_recognizer->start(WebSpeechRecognitionHandle(recognition), params, this);
     65 }
     66 
     67 void SpeechRecognitionClientProxy::stop(SpeechRecognition* recognition)
     68 {
     69     m_recognizer->stop(WebSpeechRecognitionHandle(recognition), this);
     70 }
     71 
     72 void SpeechRecognitionClientProxy::abort(SpeechRecognition* recognition)
     73 {
     74     m_recognizer->abort(WebSpeechRecognitionHandle(recognition), this);
     75 }
     76 
     77 void SpeechRecognitionClientProxy::didStartAudio(const WebSpeechRecognitionHandle& handle)
     78 {
     79     RefPtr<SpeechRecognition> recognition = PassRefPtr<SpeechRecognition>(handle);
     80     recognition->didStartAudio();
     81 }
     82 
     83 void SpeechRecognitionClientProxy::didStartSound(const WebSpeechRecognitionHandle& handle)
     84 {
     85     RefPtr<SpeechRecognition> recognition = PassRefPtr<SpeechRecognition>(handle);
     86     recognition->didStartSound();
     87     recognition->didStartSpeech();
     88 }
     89 
     90 void SpeechRecognitionClientProxy::didEndSound(const WebSpeechRecognitionHandle& handle)
     91 {
     92     RefPtr<SpeechRecognition> recognition = PassRefPtr<SpeechRecognition>(handle);
     93     recognition->didEndSpeech();
     94     recognition->didEndSound();
     95 }
     96 
     97 void SpeechRecognitionClientProxy::didEndAudio(const WebSpeechRecognitionHandle& handle)
     98 {
     99     RefPtr<SpeechRecognition> recognition = PassRefPtr<SpeechRecognition>(handle);
    100     recognition->didEndAudio();
    101 }
    102 
    103 void SpeechRecognitionClientProxy::didReceiveResults(const WebSpeechRecognitionHandle& handle, const WebVector<WebSpeechRecognitionResult>& newFinalResults, const WebVector<WebSpeechRecognitionResult>& currentInterimResults)
    104 {
    105     RefPtr<SpeechRecognition> recognition = PassRefPtr<SpeechRecognition>(handle);
    106 
    107     Vector<RefPtr<SpeechRecognitionResult> > finalResultsVector(newFinalResults.size());
    108     for (size_t i = 0; i < newFinalResults.size(); ++i)
    109         finalResultsVector[i] = static_cast<PassRefPtr<SpeechRecognitionResult> >(newFinalResults[i]);
    110 
    111     Vector<RefPtr<SpeechRecognitionResult> > interimResultsVector(currentInterimResults.size());
    112     for (size_t i = 0; i < currentInterimResults.size(); ++i)
    113         interimResultsVector[i] = static_cast<PassRefPtr<SpeechRecognitionResult> >(currentInterimResults[i]);
    114 
    115     recognition->didReceiveResults(finalResultsVector, interimResultsVector);
    116 }
    117 
    118 void SpeechRecognitionClientProxy::didReceiveNoMatch(const WebSpeechRecognitionHandle& handle, const WebSpeechRecognitionResult& result)
    119 {
    120     RefPtr<SpeechRecognition> recognition = PassRefPtr<SpeechRecognition>(handle);
    121     recognition->didReceiveNoMatch(result);
    122 }
    123 
    124 void SpeechRecognitionClientProxy::didReceiveError(const WebSpeechRecognitionHandle& handle, const WebString& message, WebSpeechRecognizerClient::ErrorCode code)
    125 {
    126     RefPtr<SpeechRecognition> recognition = PassRefPtr<SpeechRecognition>(handle);
    127     SpeechRecognitionError::ErrorCode errorCode = static_cast<SpeechRecognitionError::ErrorCode>(code);
    128     recognition->didReceiveError(SpeechRecognitionError::create(errorCode, message));
    129 }
    130 
    131 void SpeechRecognitionClientProxy::didStart(const WebSpeechRecognitionHandle& handle)
    132 {
    133     RefPtr<SpeechRecognition> recognition = PassRefPtr<SpeechRecognition>(handle);
    134     recognition->didStart();
    135 }
    136 
    137 void SpeechRecognitionClientProxy::didEnd(const WebSpeechRecognitionHandle& handle)
    138 {
    139     RefPtr<SpeechRecognition> recognition = PassRefPtr<SpeechRecognition>(handle);
    140     recognition->didEnd();
    141 }
    142 
    143 SpeechRecognitionClientProxy::SpeechRecognitionClientProxy(WebSpeechRecognizer* recognizer)
    144     : m_recognizer(recognizer)
    145 {
    146 }
    147 
    148 } // namespace blink
    149