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 "SpeechInput.h"
33
34#if ENABLE(INPUT_SPEECH)
35
36#include "SecurityOrigin.h"
37#include "SpeechInputClient.h"
38#include "SpeechInputListener.h"
39
40namespace WebCore {
41
42SpeechInput::SpeechInput(SpeechInputClient* client)
43    : m_client(client)
44    , m_nextListenerId(1)
45{
46    m_client->setListener(this);
47}
48
49SpeechInput::~SpeechInput()
50{
51    m_client->setListener(0);
52}
53
54int 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
66void SpeechInput::unregisterListener(int listenerId)
67{
68    if (m_listeners.contains(listenerId))
69        m_listeners.remove(listenerId);
70}
71
72void 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
80void 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
88void 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
96bool 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
102void SpeechInput::stopRecording(int listenerId)
103{
104    ASSERT(m_listeners.contains(listenerId));
105    m_client->stopRecording(listenerId);
106}
107
108void 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