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
44namespace blink {
45
46SpeechRecognitionClientProxy::~SpeechRecognitionClientProxy()
47{
48}
49
50PassOwnPtr<SpeechRecognitionClientProxy> SpeechRecognitionClientProxy::create(WebSpeechRecognizer* recognizer)
51{
52    return adoptPtr(new SpeechRecognitionClientProxy(recognizer));
53}
54
55void 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
65void SpeechRecognitionClientProxy::stop(SpeechRecognition* recognition)
66{
67    m_recognizer->stop(WebSpeechRecognitionHandle(recognition), this);
68}
69
70void SpeechRecognitionClientProxy::abort(SpeechRecognition* recognition)
71{
72    m_recognizer->abort(WebSpeechRecognitionHandle(recognition), this);
73}
74
75void SpeechRecognitionClientProxy::didStartAudio(const WebSpeechRecognitionHandle& handle)
76{
77    SpeechRecognition* recognition(handle);
78    recognition->didStartAudio();
79}
80
81void SpeechRecognitionClientProxy::didStartSound(const WebSpeechRecognitionHandle& handle)
82{
83    SpeechRecognition* recognition(handle);
84    recognition->didStartSound();
85    recognition->didStartSpeech();
86}
87
88void SpeechRecognitionClientProxy::didEndSound(const WebSpeechRecognitionHandle& handle)
89{
90    SpeechRecognition* recognition(handle);
91    recognition->didEndSpeech();
92    recognition->didEndSound();
93}
94
95void SpeechRecognitionClientProxy::didEndAudio(const WebSpeechRecognitionHandle& handle)
96{
97    SpeechRecognition* recognition(handle);
98    recognition->didEndAudio();
99}
100
101void 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
116void SpeechRecognitionClientProxy::didReceiveNoMatch(const WebSpeechRecognitionHandle& handle, const WebSpeechRecognitionResult& result)
117{
118    SpeechRecognition* recognition(handle);
119    recognition->didReceiveNoMatch(result);
120}
121
122void 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
129void SpeechRecognitionClientProxy::didStart(const WebSpeechRecognitionHandle& handle)
130{
131    SpeechRecognition* recognition(handle);
132    recognition->didStart();
133}
134
135void SpeechRecognitionClientProxy::didEnd(const WebSpeechRecognitionHandle& handle)
136{
137    SpeechRecognition* recognition(handle);
138    recognition->didEnd();
139}
140
141SpeechRecognitionClientProxy::SpeechRecognitionClientProxy(WebSpeechRecognizer* recognizer)
142    : m_recognizer(recognizer)
143{
144}
145
146} // namespace blink
147