1/*
2 * Copyright (C) 2013 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
6 * are met:
7 *  * Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 *  * 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 THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER 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 WebSpeechSynthesisUtterance_h
27#define WebSpeechSynthesisUtterance_h
28
29#include "WebCommon.h"
30#include "WebPrivatePtr.h"
31#include "WebString.h"
32
33namespace blink {
34
35class PlatformSpeechSynthesisUtterance;
36
37class WebSpeechSynthesisUtterance {
38public:
39    WebSpeechSynthesisUtterance() { }
40    WebSpeechSynthesisUtterance(const WebSpeechSynthesisUtterance& other) { assign(other); }
41    ~WebSpeechSynthesisUtterance() { reset(); }
42
43    WebSpeechSynthesisUtterance& operator=(const WebSpeechSynthesisUtterance& other)
44    {
45        assign(other);
46        return *this;
47    }
48
49    BLINK_PLATFORM_EXPORT void assign(const WebSpeechSynthesisUtterance&);
50    BLINK_PLATFORM_EXPORT void reset();
51    bool isNull() const { return m_private.isNull(); }
52
53    BLINK_PLATFORM_EXPORT WebString text() const;
54    BLINK_PLATFORM_EXPORT WebString lang() const;
55    BLINK_PLATFORM_EXPORT WebString voice() const;
56
57    // As defined in: https://dvcs.w3.org/hg/speech-api/raw-file/tip/speechapi.html
58    BLINK_PLATFORM_EXPORT float volume() const; // 0...1, 1 is default
59    BLINK_PLATFORM_EXPORT float rate() const; // 0.1...10, 1 is default
60    BLINK_PLATFORM_EXPORT float pitch() const; // 0...2, 1 is default
61
62    BLINK_PLATFORM_EXPORT double startTime() const; // In seconds.
63
64#if INSIDE_BLINK
65    BLINK_PLATFORM_EXPORT WebSpeechSynthesisUtterance(PlatformSpeechSynthesisUtterance*);
66    BLINK_PLATFORM_EXPORT WebSpeechSynthesisUtterance& operator=(PlatformSpeechSynthesisUtterance*);
67    BLINK_PLATFORM_EXPORT operator PlatformSpeechSynthesisUtterance*() const;
68#endif
69
70private:
71    WebPrivatePtr<PlatformSpeechSynthesisUtterance> m_private;
72};
73
74} // namespace blink
75
76#endif // WebSpeechSynthesisUtterance_h
77