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
44using namespace WebCore;
45
46namespace blink {
47
48SpeechRecognitionClientProxy::~SpeechRecognitionClientProxy()
49{
50}
51
52PassOwnPtr<SpeechRecognitionClientProxy> SpeechRecognitionClientProxy::create(WebSpeechRecognizer* recognizer)
53{
54    return adoptPtr(new SpeechRecognitionClientProxy(recognizer));
55}
56
57void 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
67void SpeechRecognitionClientProxy::stop(SpeechRecognition* recognition)
68{
69    m_recognizer->stop(WebSpeechRecognitionHandle(recognition), this);
70}
71
72void SpeechRecognitionClientProxy::abort(SpeechRecognition* recognition)
73{
74    m_recognizer->abort(WebSpeechRecognitionHandle(recognition), this);
75}
76
77void SpeechRecognitionClientProxy::didStartAudio(const WebSpeechRecognitionHandle& handle)
78{
79    RefPtr<SpeechRecognition> recognition = PassRefPtr<SpeechRecognition>(handle);
80    recognition->didStartAudio();
81}
82
83void SpeechRecognitionClientProxy::didStartSound(const WebSpeechRecognitionHandle& handle)
84{
85    RefPtr<SpeechRecognition> recognition = PassRefPtr<SpeechRecognition>(handle);
86    recognition->didStartSound();
87    recognition->didStartSpeech();
88}
89
90void SpeechRecognitionClientProxy::didEndSound(const WebSpeechRecognitionHandle& handle)
91{
92    RefPtr<SpeechRecognition> recognition = PassRefPtr<SpeechRecognition>(handle);
93    recognition->didEndSpeech();
94    recognition->didEndSound();
95}
96
97void SpeechRecognitionClientProxy::didEndAudio(const WebSpeechRecognitionHandle& handle)
98{
99    RefPtr<SpeechRecognition> recognition = PassRefPtr<SpeechRecognition>(handle);
100    recognition->didEndAudio();
101}
102
103void 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
118void SpeechRecognitionClientProxy::didReceiveNoMatch(const WebSpeechRecognitionHandle& handle, const WebSpeechRecognitionResult& result)
119{
120    RefPtr<SpeechRecognition> recognition = PassRefPtr<SpeechRecognition>(handle);
121    recognition->didReceiveNoMatch(result);
122}
123
124void 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
131void SpeechRecognitionClientProxy::didStart(const WebSpeechRecognitionHandle& handle)
132{
133    RefPtr<SpeechRecognition> recognition = PassRefPtr<SpeechRecognition>(handle);
134    recognition->didStart();
135}
136
137void SpeechRecognitionClientProxy::didEnd(const WebSpeechRecognitionHandle& handle)
138{
139    RefPtr<SpeechRecognition> recognition = PassRefPtr<SpeechRecognition>(handle);
140    recognition->didEnd();
141}
142
143SpeechRecognitionClientProxy::SpeechRecognitionClientProxy(WebSpeechRecognizer* recognizer)
144    : m_recognizer(recognizer)
145{
146}
147
148} // namespace blink
149