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