1 /* 2 * Copyright (C) 2013 Apple 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 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. 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 APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 #ifndef SpeechSynthesisUtterance_h 27 #define SpeechSynthesisUtterance_h 28 29 #include "bindings/v8/ScriptWrappable.h" 30 #include "core/dom/ContextLifecycleObserver.h" 31 #include "core/dom/EventTarget.h" 32 #include "core/platform/PlatformSpeechSynthesisUtterance.h" 33 #include "modules/speech/SpeechSynthesisVoice.h" 34 #include "wtf/PassRefPtr.h" 35 #include "wtf/RefCounted.h" 36 37 namespace WebCore { 38 39 class SpeechSynthesisUtterance : public PlatformSpeechSynthesisUtteranceClient, public ScriptWrappable, public RefCounted<SpeechSynthesisUtterance>, public ContextLifecycleObserver, public EventTarget { 40 public: 41 static PassRefPtr<SpeechSynthesisUtterance> create(ScriptExecutionContext*, const String&); 42 43 ~SpeechSynthesisUtterance(); 44 45 const String& text() const { return m_platformUtterance->text(); } 46 void setText(const String& text) { m_platformUtterance->setText(text); } 47 48 const String& lang() const { return m_platformUtterance->lang(); } 49 void setLang(const String& lang) { m_platformUtterance->setLang(lang); } 50 51 SpeechSynthesisVoice* voice() const; 52 void setVoice(SpeechSynthesisVoice*); 53 54 float volume() const { return m_platformUtterance->volume(); } 55 void setVolume(float volume) { m_platformUtterance->setVolume(volume); } 56 57 float rate() const { return m_platformUtterance->rate(); } 58 void setRate(float rate) { m_platformUtterance->setRate(rate); } 59 60 float pitch() const { return m_platformUtterance->pitch(); } 61 void setPitch(float pitch) { m_platformUtterance->setPitch(pitch); } 62 63 double startTime() const { return m_platformUtterance->startTime(); } 64 void setStartTime(double startTime) { m_platformUtterance->setStartTime(startTime); } 65 66 DEFINE_ATTRIBUTE_EVENT_LISTENER(start); 67 DEFINE_ATTRIBUTE_EVENT_LISTENER(end); 68 DEFINE_ATTRIBUTE_EVENT_LISTENER(error); 69 DEFINE_ATTRIBUTE_EVENT_LISTENER(pause); 70 DEFINE_ATTRIBUTE_EVENT_LISTENER(resume); 71 DEFINE_ATTRIBUTE_EVENT_LISTENER(mark); 72 DEFINE_ATTRIBUTE_EVENT_LISTENER(boundary); 73 74 using RefCounted<SpeechSynthesisUtterance>::ref; 75 using RefCounted<SpeechSynthesisUtterance>::deref; 76 77 virtual ScriptExecutionContext* scriptExecutionContext() const; 78 79 PlatformSpeechSynthesisUtterance* platformUtterance() const { return m_platformUtterance.get(); } 80 81 private: 82 SpeechSynthesisUtterance(ScriptExecutionContext*, const String&); 83 RefPtr<PlatformSpeechSynthesisUtterance> m_platformUtterance; 84 RefPtr<SpeechSynthesisVoice> m_voice; 85 86 // EventTarget 87 EventTargetData m_eventTargetData; 88 89 virtual const AtomicString& interfaceName() const OVERRIDE; 90 virtual void refEventTarget() OVERRIDE { ref(); } 91 virtual void derefEventTarget() OVERRIDE { deref(); } 92 virtual EventTargetData* eventTargetData() OVERRIDE { return &m_eventTargetData; } 93 virtual EventTargetData* ensureEventTargetData() OVERRIDE { return &m_eventTargetData; } 94 }; 95 96 } // namespace WebCore 97 98 #endif // SpeechSynthesisUtterance_h 99