1 /*
2 * Copyright (C) 2013 Apple Computer, 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 COMPUTER, 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 COMPUTER, 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 #include "config.h"
27 #include "platform/speech/PlatformSpeechSynthesizer.h"
28
29 #include "platform/exported/WebSpeechSynthesizerClientImpl.h"
30 #include "platform/speech/PlatformSpeechSynthesisUtterance.h"
31 #include "public/platform/Platform.h"
32 #include "public/platform/WebSpeechSynthesisUtterance.h"
33 #include "public/platform/WebSpeechSynthesizer.h"
34 #include "public/platform/WebSpeechSynthesizerClient.h"
35 #include "wtf/RetainPtr.h"
36
37 namespace blink {
38
create(PlatformSpeechSynthesizerClient * client)39 PlatformSpeechSynthesizer* PlatformSpeechSynthesizer::create(PlatformSpeechSynthesizerClient* client)
40 {
41 PlatformSpeechSynthesizer* synthesizer = new PlatformSpeechSynthesizer(client);
42 synthesizer->initializeVoiceList();
43 return synthesizer;
44 }
45
PlatformSpeechSynthesizer(PlatformSpeechSynthesizerClient * client)46 PlatformSpeechSynthesizer::PlatformSpeechSynthesizer(PlatformSpeechSynthesizerClient* client)
47 : m_speechSynthesizerClient(client)
48 {
49 m_webSpeechSynthesizerClient = new WebSpeechSynthesizerClientImpl(this, client);
50 m_webSpeechSynthesizer = adoptPtr(blink::Platform::current()->createSpeechSynthesizer(m_webSpeechSynthesizerClient));
51 }
52
~PlatformSpeechSynthesizer()53 PlatformSpeechSynthesizer::~PlatformSpeechSynthesizer()
54 {
55 }
56
speak(PlatformSpeechSynthesisUtterance * utterance)57 void PlatformSpeechSynthesizer::speak(PlatformSpeechSynthesisUtterance* utterance)
58 {
59 if (!m_webSpeechSynthesizer || !m_webSpeechSynthesizerClient)
60 return;
61
62 m_webSpeechSynthesizer->speak(blink::WebSpeechSynthesisUtterance(utterance));
63 }
64
pause()65 void PlatformSpeechSynthesizer::pause()
66 {
67 if (m_webSpeechSynthesizer.get())
68 m_webSpeechSynthesizer->pause();
69 }
70
resume()71 void PlatformSpeechSynthesizer::resume()
72 {
73 if (m_webSpeechSynthesizer.get())
74 m_webSpeechSynthesizer->resume();
75 }
76
cancel()77 void PlatformSpeechSynthesizer::cancel()
78 {
79 if (m_webSpeechSynthesizer.get())
80 m_webSpeechSynthesizer->cancel();
81 }
82
setVoiceList(HeapVector<Member<PlatformSpeechSynthesisVoice>> & voices)83 void PlatformSpeechSynthesizer::setVoiceList(HeapVector<Member<PlatformSpeechSynthesisVoice> >& voices)
84 {
85 m_voiceList = voices;
86 }
87
initializeVoiceList()88 void PlatformSpeechSynthesizer::initializeVoiceList()
89 {
90 if (m_webSpeechSynthesizer.get())
91 m_webSpeechSynthesizer->updateVoiceList();
92 }
93
trace(Visitor * visitor)94 void PlatformSpeechSynthesizer::trace(Visitor* visitor)
95 {
96 visitor->trace(m_speechSynthesizerClient);
97 visitor->trace(m_voiceList);
98 visitor->trace(m_webSpeechSynthesizerClient);
99 }
100
101 } // namespace blink
102