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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "chrome/browser/chromeos/cros/speech_synthesis_library.h" | |
6 | |
7 #include "base/message_loop.h" | |
8 #include "chrome/browser/chromeos/cros/cros_library.h" | |
9 #include "third_party/cros/chromeos_speech_synthesis.h" | |
10 | |
11 namespace chromeos { | |
12 | |
13 // TODO(chaitanyag): rename to "locale" after making equivalent change in | |
14 // Chrome OS code. | |
15 const char SpeechSynthesisLibrary::kSpeechPropertyLocale[] = "name"; | |
16 | |
17 const char SpeechSynthesisLibrary::kSpeechPropertyGender[] = "gender"; | |
18 const char SpeechSynthesisLibrary::kSpeechPropertyRate[] = "rate"; | |
19 const char SpeechSynthesisLibrary::kSpeechPropertyPitch[] = "pitch"; | |
20 const char SpeechSynthesisLibrary::kSpeechPropertyVolume[] = "volume"; | |
21 const char SpeechSynthesisLibrary::kSpeechPropertyEquals[] = "="; | |
22 const char SpeechSynthesisLibrary::kSpeechPropertyDelimiter[] = ";"; | |
23 | |
24 class SpeechSynthesisLibraryImpl : public SpeechSynthesisLibrary { | |
25 public: | |
26 SpeechSynthesisLibraryImpl() {} | |
27 virtual ~SpeechSynthesisLibraryImpl() {} | |
28 | |
29 bool Speak(const char* text) { | |
30 return chromeos::Speak(text); | |
31 } | |
32 | |
33 bool SetSpeakProperties(const char* props) { | |
34 return chromeos::SetSpeakProperties(props); | |
35 } | |
36 | |
37 bool StopSpeaking() { | |
38 return chromeos::StopSpeaking(); | |
39 } | |
40 | |
41 bool IsSpeaking() { | |
42 return chromeos::IsSpeaking(); | |
43 } | |
44 | |
45 void InitTts(InitStatusCallback callback) { | |
46 chromeos::InitTts(callback); | |
47 } | |
48 | |
49 private: | |
50 DISALLOW_COPY_AND_ASSIGN(SpeechSynthesisLibraryImpl); | |
51 }; | |
52 | |
53 class SpeechSynthesisLibraryStubImpl : public SpeechSynthesisLibrary { | |
54 public: | |
55 SpeechSynthesisLibraryStubImpl() {} | |
56 virtual ~SpeechSynthesisLibraryStubImpl() {} | |
57 bool Speak(const char* text) { return true; } | |
58 bool SetSpeakProperties(const char* props) { return true; } | |
59 bool StopSpeaking() { return true; } | |
60 bool IsSpeaking() { return false; } | |
61 void InitTts(InitStatusCallback callback) {} | |
62 | |
63 private: | |
64 DISALLOW_COPY_AND_ASSIGN(SpeechSynthesisLibraryStubImpl); | |
65 }; | |
66 | |
67 // static | |
68 SpeechSynthesisLibrary* SpeechSynthesisLibrary::GetImpl(bool stub) { | |
69 SpeechSynthesisLibrary* impl; | |
70 if (stub) | |
71 impl = new SpeechSynthesisLibraryStubImpl(); | |
72 else | |
73 impl = new SpeechSynthesisLibraryImpl(); | |
74 return impl; | |
75 } | |
76 | |
77 } // namespace chromeos | |
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