1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/*
* Copyright (C) 2013 Apple Computer, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef PlatformSpeechSynthesizer_h
#define PlatformSpeechSynthesizer_h
#if ENABLE(SPEECH_SYNTHESIS)
#include "PlatformSpeechSynthesisVoice.h"
#include <wtf/PassOwnPtr.h>
#include <wtf/Vector.h>
#if PLATFORM(MAC)
#include <wtf/RetainPtr.h>
OBJC_CLASS WebSpeechSynthesisWrapper;
#endif
namespace WebCore {
enum SpeechBoundary {
SpeechWordBoundary,
SpeechSentenceBoundary
};
class PlatformSpeechSynthesisUtterance;
class PlatformSpeechSynthesizerClient {
public:
virtual void didStartSpeaking(PassRefPtr<PlatformSpeechSynthesisUtterance>) = 0;
virtual void didFinishSpeaking(PassRefPtr<PlatformSpeechSynthesisUtterance>) = 0;
virtual void didPauseSpeaking(PassRefPtr<PlatformSpeechSynthesisUtterance>) = 0;
virtual void didResumeSpeaking(PassRefPtr<PlatformSpeechSynthesisUtterance>) = 0;
virtual void speakingErrorOccurred(PassRefPtr<PlatformSpeechSynthesisUtterance>) = 0;
virtual void boundaryEventOccurred(PassRefPtr<PlatformSpeechSynthesisUtterance>, SpeechBoundary, unsigned charIndex) = 0;
virtual void voicesDidChange() = 0;
protected:
virtual ~PlatformSpeechSynthesizerClient() { }
};
class PlatformSpeechSynthesizer {
public:
static PassOwnPtr<PlatformSpeechSynthesizer> create(PlatformSpeechSynthesizerClient*);
// FIXME: We have multiple virtual functions just so we can support a mock for testing.
// Seems wasteful. Would be nice to find a better way.
virtual ~PlatformSpeechSynthesizer();
const Vector<RefPtr<PlatformSpeechSynthesisVoice> >& voiceList() const;
virtual void speak(PassRefPtr<PlatformSpeechSynthesisUtterance>);
virtual void pause();
virtual void resume();
virtual void cancel();
PlatformSpeechSynthesizerClient* client() const { return m_speechSynthesizerClient; }
protected:
explicit PlatformSpeechSynthesizer(PlatformSpeechSynthesizerClient*);
Vector<RefPtr<PlatformSpeechSynthesisVoice> > m_voiceList;
private:
virtual void initializeVoiceList();
bool m_voiceListIsInitialized;
PlatformSpeechSynthesizerClient* m_speechSynthesizerClient;
#if PLATFORM(MAC)
RetainPtr<WebSpeechSynthesisWrapper> m_platformSpeechWrapper;
#endif
};
} // namespace WebCore
#endif // ENABLE(SPEECH_SYNTHESIS)
#endif // PlatformSpeechSynthesizer_h
|
