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      1 /*
      2  * Copyright (C) 2010 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 are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "SpeechInputClientMock.h"
     33 
     34 #if ENABLE(INPUT_SPEECH)
     35 
     36 #include "SecurityOrigin.h"
     37 #include "SpeechInputListener.h"
     38 
     39 namespace WebCore {
     40 
     41 SpeechInputClientMock::SpeechInputClientMock()
     42     : m_recording(false)
     43     , m_timer(this, &SpeechInputClientMock::timerFired)
     44     , m_listener(0)
     45     , m_requestId(0)
     46 {
     47 }
     48 
     49 void SpeechInputClientMock::setListener(SpeechInputListener* listener)
     50 {
     51     m_listener = listener;
     52 }
     53 
     54 bool SpeechInputClientMock::startRecognition(int requestId, const IntRect& elementRect, const AtomicString& language, const String& grammar, SecurityOrigin* origin)
     55 {
     56     if (m_timer.isActive())
     57         return false;
     58     m_requestId = requestId;
     59     m_recording = true;
     60     m_language = language;
     61     m_timer.startOneShot(0);
     62     return true;
     63 }
     64 
     65 void SpeechInputClientMock::stopRecording(int requestId)
     66 {
     67     ASSERT(requestId == m_requestId);
     68     if (m_timer.isActive() && m_recording) {
     69         m_timer.stop();
     70         timerFired(&m_timer);
     71     }
     72 }
     73 
     74 void SpeechInputClientMock::cancelRecognition(int requestId)
     75 {
     76     if (m_timer.isActive()) {
     77         ASSERT(requestId == m_requestId);
     78         m_timer.stop();
     79         m_recording = false;
     80         m_listener->didCompleteRecognition(m_requestId);
     81         m_requestId = 0;
     82     }
     83 }
     84 
     85 void SpeechInputClientMock::addRecognitionResult(const String& result, double confidence, const AtomicString& language)
     86 {
     87     if (language.isEmpty())
     88         m_resultsForEmptyLanguage.append(SpeechInputResult::create(result, confidence));
     89     else {
     90         if (!m_recognitionResults.contains(language))
     91             m_recognitionResults.set(language, SpeechInputResultArray());
     92         m_recognitionResults.find(language)->second.append(SpeechInputResult::create(result, confidence));
     93     }
     94 }
     95 
     96 void SpeechInputClientMock::clearResults()
     97 {
     98     m_resultsForEmptyLanguage.clear();
     99     m_recognitionResults.clear();
    100 }
    101 
    102 void SpeechInputClientMock::timerFired(WebCore::Timer<SpeechInputClientMock>*)
    103 {
    104     if (m_recording) {
    105         m_recording = false;
    106         m_listener->didCompleteRecording(m_requestId);
    107         m_timer.startOneShot(0);
    108     } else {
    109         bool noResultsFound = false;
    110 
    111         // We take a copy of the requestId here so that if scripts destroyed the input element
    112         // inside one of the callbacks below, we'll still know what this session's requestId was.
    113         int requestId = m_requestId;
    114         m_requestId = 0;
    115 
    116         // Empty language case must be handled separately to avoid problems with HashMap and empty keys.
    117         if (m_language.isEmpty()) {
    118             if (!m_resultsForEmptyLanguage.isEmpty())
    119                 m_listener->setRecognitionResult(requestId, m_resultsForEmptyLanguage);
    120             else
    121                 noResultsFound = true;
    122         } else {
    123             if (m_recognitionResults.contains(m_language))
    124                 m_listener->setRecognitionResult(requestId, m_recognitionResults.get(m_language));
    125             else
    126                 noResultsFound = true;
    127         }
    128 
    129         if (noResultsFound) {
    130             // Can't avoid setting a result even if no result was set for the given language.
    131             // This would avoid generating the events used to check the results and the test would timeout.
    132             String error("error: no result found for language '");
    133             error.append(m_language);
    134             error.append("'");
    135             SpeechInputResultArray results;
    136             results.append(SpeechInputResult::create(error, 1.0));
    137             m_listener->setRecognitionResult(requestId, results);
    138         }
    139 
    140         m_listener->didCompleteRecognition(requestId);
    141     }
    142 }
    143 
    144 } // namespace WebCore
    145 
    146 #endif // ENABLE(INPUT_SPEECH)
    147