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#pragma once
27
28#if ENABLE(SPEECH_SYNTHESIS)
29
30#include "ContextDestructionObserver.h"
31#include "EventTarget.h"
32#include "PlatformSpeechSynthesisUtterance.h"
33#include "SpeechSynthesisVoice.h"
34#include <wtf/RefCounted.h>
35
36namespace WebCore {
37
38class SpeechSynthesisUtterance final : public PlatformSpeechSynthesisUtteranceClient, public RefCounted<SpeechSynthesisUtterance>, public ContextDestructionObserver, public EventTargetWithInlineData {
39 WTF_MAKE_ISO_ALLOCATED(SpeechSynthesisUtterance);
40public:
41 static Ref<SpeechSynthesisUtterance> create(ScriptExecutionContext&, const String&);
42
43 virtual ~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 MonotonicTime startTime() const { return m_platformUtterance->startTime(); }
64 void setStartTime(MonotonicTime startTime) { m_platformUtterance->setStartTime(startTime); }
65
66 using RefCounted::ref;
67 using RefCounted::deref;
68
69 PlatformSpeechSynthesisUtterance* platformUtterance() const { return m_platformUtterance.get(); }
70
71private:
72 SpeechSynthesisUtterance(ScriptExecutionContext&, const String&);
73
74 ScriptExecutionContext* scriptExecutionContext() const final { return ContextDestructionObserver::scriptExecutionContext(); }
75 EventTargetInterface eventTargetInterface() const final { return SpeechSynthesisUtteranceEventTargetInterfaceType; }
76 void refEventTarget() final { ref(); }
77 void derefEventTarget() final { deref(); }
78
79 RefPtr<PlatformSpeechSynthesisUtterance> m_platformUtterance;
80 RefPtr<SpeechSynthesisVoice> m_voice;
81};
82
83} // namespace WebCore
84
85#endif // ENABLE(SPEECH_SYNTHESIS)
86