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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_SPEECH_EXTENSION_API_TTS_ENGINE_EXTENSION_API_H_ | 5 #ifndef CHROME_BROWSER_SPEECH_EXTENSION_API_TTS_ENGINE_EXTENSION_API_H_ |
6 #define CHROME_BROWSER_SPEECH_EXTENSION_API_TTS_ENGINE_EXTENSION_API_H_ | 6 #define CHROME_BROWSER_SPEECH_EXTENSION_API_TTS_ENGINE_EXTENSION_API_H_ |
7 | 7 |
| 8 #include <vector> |
| 9 |
8 #include "base/memory/singleton.h" | 10 #include "base/memory/singleton.h" |
9 #include "chrome/browser/extensions/extension_function.h" | 11 #include "chrome/browser/extensions/extension_function.h" |
| 12 #include "chrome/browser/speech/tts_controller.h" |
10 | 13 |
11 class Utterance; | 14 class Utterance; |
12 | 15 |
13 namespace base { | 16 namespace base { |
14 class ListValue; | 17 class ListValue; |
15 } | 18 } |
16 | 19 |
17 namespace extensions { | 20 namespace extensions { |
18 class Extension; | 21 class Extension; |
19 } | 22 } |
20 | 23 |
21 namespace tts_engine_events { | 24 namespace tts_engine_events { |
22 extern const char kOnSpeak[]; | 25 extern const char kOnSpeak[]; |
23 extern const char kOnStop[]; | 26 extern const char kOnStop[]; |
24 } | 27 } |
25 | 28 |
26 // Return a list of all available voices registered by extensions. | 29 // Return a list of all available voices registered by extensions. |
27 void GetExtensionVoices(Profile* profile, base::ListValue* result_voices); | 30 void GetExtensionVoices(Profile* profile, std::vector<VoiceData>* out_voices); |
28 | 31 |
29 // Find the first extension with a tts_voices in its | 32 // Find the first extension with a tts_voices in its |
30 // manifest that matches the speech parameters of this utterance. | 33 // manifest that matches the speech parameters of this utterance. |
31 // If found, store a pointer to the extension in |matching_extension| and | 34 // If found, store a pointer to the extension in |matching_extension| and |
32 // the index of the voice within the extension in |voice_index| and | 35 // the index of the voice within the extension in |voice_index| and |
33 // return true. | 36 // return true. |
34 bool GetMatchingExtensionVoice(Utterance* utterance, | 37 bool GetMatchingExtensionVoice(Utterance* utterance, |
35 const extensions::Extension** matching_extension, | 38 const extensions::Extension** matching_extension, |
36 size_t* voice_index); | 39 size_t* voice_index); |
37 | 40 |
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48 // Hidden/internal extension function used to allow TTS engine extensions | 51 // Hidden/internal extension function used to allow TTS engine extensions |
49 // to send events back to the client that's calling tts.speak(). | 52 // to send events back to the client that's calling tts.speak(). |
50 class ExtensionTtsEngineSendTtsEventFunction : public SyncExtensionFunction { | 53 class ExtensionTtsEngineSendTtsEventFunction : public SyncExtensionFunction { |
51 private: | 54 private: |
52 virtual ~ExtensionTtsEngineSendTtsEventFunction() {} | 55 virtual ~ExtensionTtsEngineSendTtsEventFunction() {} |
53 virtual bool RunImpl() OVERRIDE; | 56 virtual bool RunImpl() OVERRIDE; |
54 DECLARE_EXTENSION_FUNCTION("ttsEngine.sendTtsEvent", TTSENGINE_SENDTTSEVENT) | 57 DECLARE_EXTENSION_FUNCTION("ttsEngine.sendTtsEvent", TTSENGINE_SENDTTSEVENT) |
55 }; | 58 }; |
56 | 59 |
57 #endif // CHROME_BROWSER_SPEECH_EXTENSION_API_TTS_ENGINE_EXTENSION_API_H_ | 60 #endif // CHROME_BROWSER_SPEECH_EXTENSION_API_TTS_ENGINE_EXTENSION_API_H_ |
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