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 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 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#if ENABLE(SPEECH_SYNTHESIS) 30 31#include "ContextDestructionObserver.h" 32#include "EventTarget.h" 33#include "PlatformSpeechSynthesisUtterance.h" 34#include "SpeechSynthesisVoice.h" 35#include <wtf/PassRefPtr.h> 36#include <wtf/RefCounted.h> 37 38namespace WebCore { 39 40class SpeechSynthesisUtterance final : public PlatformSpeechSynthesisUtteranceClient, public RefCounted<SpeechSynthesisUtterance>, public ContextDestructionObserver, public EventTargetWithInlineData { 41public: 42 static PassRefPtr<SpeechSynthesisUtterance> create(ScriptExecutionContext&, const String&); 43 44 ~SpeechSynthesisUtterance(); 45 46 const String& text() const { return m_platformUtterance->text(); } 47 void setText(const String& text) { m_platformUtterance->setText(text); } 48 49 const String& lang() const { return m_platformUtterance->lang(); } 50 void setLang(const String& lang) { m_platformUtterance->setLang(lang); } 51 52 SpeechSynthesisVoice* voice() const; 53 void setVoice(SpeechSynthesisVoice*); 54 55 float volume() const { return m_platformUtterance->volume(); } 56 void setVolume(float volume) { m_platformUtterance->setVolume(volume); } 57 58 float rate() const { return m_platformUtterance->rate(); } 59 void setRate(float rate) { m_platformUtterance->setRate(rate); } 60 61 float pitch() const { return m_platformUtterance->pitch(); } 62 void setPitch(float pitch) { m_platformUtterance->setPitch(pitch); } 63 64 double startTime() const { return m_platformUtterance->startTime(); } 65 void setStartTime(double startTime) { m_platformUtterance->setStartTime(startTime); } 66 67 DEFINE_ATTRIBUTE_EVENT_LISTENER(start); 68 DEFINE_ATTRIBUTE_EVENT_LISTENER(end); 69 DEFINE_ATTRIBUTE_EVENT_LISTENER(error); 70 DEFINE_ATTRIBUTE_EVENT_LISTENER(pause); 71 DEFINE_ATTRIBUTE_EVENT_LISTENER(resume); 72 DEFINE_ATTRIBUTE_EVENT_LISTENER(mark); 73 DEFINE_ATTRIBUTE_EVENT_LISTENER(boundary); 74 75 using RefCounted<SpeechSynthesisUtterance>::ref; 76 using RefCounted<SpeechSynthesisUtterance>::deref; 77 78 virtual ScriptExecutionContext* scriptExecutionContext() const override { return ContextDestructionObserver::scriptExecutionContext(); } 79 80 PlatformSpeechSynthesisUtterance* platformUtterance() const { return m_platformUtterance.get(); } 81 82private: 83 SpeechSynthesisUtterance(ScriptExecutionContext&, const String&); 84 RefPtr<PlatformSpeechSynthesisUtterance> m_platformUtterance; 85 RefPtr<SpeechSynthesisVoice> m_voice; 86 87 virtual EventTargetInterface eventTargetInterface() const override { return SpeechSynthesisUtteranceEventTargetInterfaceType; } 88 virtual void refEventTarget() override { ref(); } 89 virtual void derefEventTarget() override { deref(); } 90}; 91 92} // namespace WebCore 93 94#endif // ENABLE(SPEECH_SYNTHESIS) 95 96#endif // SpeechSynthesisUtterance_h 97