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  *
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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.
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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
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24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #include "config.h"
32 #include "SpeechInput.h"
33 
34 #if ENABLE(INPUT_SPEECH)
35 
36 #include "SecurityOrigin.h"
37 #include "SpeechInputClient.h"
38 #include "SpeechInputListener.h"
39 
40 namespace WebCore {
41 
SpeechInput(SpeechInputClient * client)42 SpeechInput::SpeechInput(SpeechInputClient* client)
43     : m_client(client)
44     , m_nextListenerId(1)
45 {
46     m_client->setListener(this);
47 }
48 
~SpeechInput()49 SpeechInput::~SpeechInput()
50 {
51     m_client->setListener(0);
52 }
53 
registerListener(SpeechInputListener * listener)54 int SpeechInput::registerListener(SpeechInputListener* listener)
55 {
56 #if defined(DEBUG)
57     // Check if already present.
58     for (HashMap<int, SpeechInputListener*>::iterator it = m_listeners.begin(); it != m_listeners.end(); ++it)
59       ASSERT(it->second != listener);
60 #endif
61 
62     m_listeners.add(m_nextListenerId, listener);
63     return m_nextListenerId++;
64 }
65 
unregisterListener(int listenerId)66 void SpeechInput::unregisterListener(int listenerId)
67 {
68     if (m_listeners.contains(listenerId))
69         m_listeners.remove(listenerId);
70 }
71 
didCompleteRecording(int listenerId)72 void SpeechInput::didCompleteRecording(int listenerId)
73 {
74     // Don't assert if not present as the element might have been removed by the page while
75     // this event was on the way.
76     if (m_listeners.contains(listenerId))
77         m_listeners.get(listenerId)->didCompleteRecording(listenerId);
78 }
79 
didCompleteRecognition(int listenerId)80 void SpeechInput::didCompleteRecognition(int listenerId)
81 {
82     // Don't assert if not present as the element might have been removed by the page while
83     // this event was on the way.
84     if (m_listeners.contains(listenerId))
85         m_listeners.get(listenerId)->didCompleteRecognition(listenerId);
86 }
87 
setRecognitionResult(int listenerId,const SpeechInputResultArray & result)88 void SpeechInput::setRecognitionResult(int listenerId, const SpeechInputResultArray& result)
89 {
90     // Don't assert if not present as the element might have been removed by the page while
91     // this event was on the way.
92     if (m_listeners.contains(listenerId))
93         m_listeners.get(listenerId)->setRecognitionResult(listenerId, result);
94 }
95 
startRecognition(int listenerId,const IntRect & elementRect,const AtomicString & language,const String & grammar,SecurityOrigin * origin)96 bool SpeechInput::startRecognition(int listenerId, const IntRect& elementRect, const AtomicString& language, const String& grammar, SecurityOrigin* origin)
97 {
98     ASSERT(m_listeners.contains(listenerId));
99     return m_client->startRecognition(listenerId, elementRect, language, grammar, origin);
100 }
101 
stopRecording(int listenerId)102 void SpeechInput::stopRecording(int listenerId)
103 {
104     ASSERT(m_listeners.contains(listenerId));
105     m_client->stopRecording(listenerId);
106 }
107 
cancelRecognition(int listenerId)108 void SpeechInput::cancelRecognition(int listenerId)
109 {
110     ASSERT(m_listeners.contains(listenerId));
111     m_client->cancelRecognition(listenerId);
112 }
113 
114 } // namespace WebCore
115 
116 #endif // ENABLE(INPUT_SPEECH)
117