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#include <wtf/PassOwnPtr.h> 40 41namespace WebCore { 42 43SpeechInput::SpeechInput(SpeechInputClient* client) 44 : m_client(client) 45 , m_nextListenerId(1) 46{ 47 m_client->setListener(this); 48} 49 50SpeechInput::~SpeechInput() 51{ 52 m_client->setListener(0); 53} 54 55PassOwnPtr<SpeechInput> SpeechInput::create(SpeechInputClient* client) 56{ 57 return adoptPtr(new SpeechInput(client)); 58} 59 60int SpeechInput::registerListener(SpeechInputListener* listener) 61{ 62#if defined(DEBUG) 63 // Check if already present. 64 for (HashMap<int, SpeechInputListener*>::iterator it = m_listeners.begin(); it != m_listeners.end(); ++it) 65 ASSERT(it->value != listener); 66#endif 67 68 m_listeners.add(m_nextListenerId, listener); 69 return m_nextListenerId++; 70} 71 72void SpeechInput::unregisterListener(int listenerId) 73{ 74 if (m_listeners.contains(listenerId)) 75 m_listeners.remove(listenerId); 76} 77 78void SpeechInput::didCompleteRecording(int listenerId) 79{ 80 // Don't assert if not present as the element might have been removed by the page while 81 // this event was on the way. 82 if (m_listeners.contains(listenerId)) 83 m_listeners.get(listenerId)->didCompleteRecording(listenerId); 84} 85 86void SpeechInput::didCompleteRecognition(int listenerId) 87{ 88 // Don't assert if not present as the element might have been removed by the page while 89 // this event was on the way. 90 if (m_listeners.contains(listenerId)) 91 m_listeners.get(listenerId)->didCompleteRecognition(listenerId); 92} 93 94void SpeechInput::setRecognitionResult(int listenerId, const SpeechInputResultArray& result) 95{ 96 // Don't assert if not present as the element might have been removed by the page while 97 // this event was on the way. 98 if (m_listeners.contains(listenerId)) 99 m_listeners.get(listenerId)->setRecognitionResult(listenerId, result); 100} 101 102bool SpeechInput::startRecognition(int listenerId, const IntRect& elementRect, const AtomicString& language, const String& grammar, SecurityOrigin* origin) 103{ 104 ASSERT(m_listeners.contains(listenerId)); 105 return m_client->startRecognition(listenerId, elementRect, language, grammar, origin); 106} 107 108void SpeechInput::stopRecording(int listenerId) 109{ 110 ASSERT(m_listeners.contains(listenerId)); 111 m_client->stopRecording(listenerId); 112} 113 114void SpeechInput::cancelRecognition(int listenerId) 115{ 116 ASSERT(m_listeners.contains(listenerId)); 117 m_client->cancelRecognition(listenerId); 118} 119 120const char* SpeechInput::supplementName() 121{ 122 return "SpeechInput"; 123} 124 125void provideSpeechInputTo(Page* page, SpeechInputClient* client) 126{ 127 SpeechInput::provideTo(page, SpeechInput::supplementName(), SpeechInput::create(client)); 128} 129 130} // namespace WebCore 131 132#endif // ENABLE(INPUT_SPEECH) 133