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 3 // found in the LICENSE file. 4 5 #ifndef CHROME_BROWSER_SPEECH_EXTENSION_API_TTS_EXTENSION_API_H_ 6 #define CHROME_BROWSER_SPEECH_EXTENSION_API_TTS_EXTENSION_API_H_ 7 8 #include <string> 9 10 #include "chrome/browser/extensions/chrome_extension_function.h" 11 #include "chrome/browser/speech/tts_controller.h" 12 #include "extensions/browser/browser_context_keyed_api_factory.h" 13 14 namespace content { 15 class BrowserContext; 16 } 17 18 const char *TtsEventTypeToString(TtsEventType event_type); 19 TtsEventType TtsEventTypeFromString(const std::string& str); 20 21 namespace extensions { 22 23 class TtsSpeakFunction : public ChromeAsyncExtensionFunction { 24 private: ~TtsSpeakFunction()25 virtual ~TtsSpeakFunction() {} 26 virtual bool RunAsync() OVERRIDE; 27 DECLARE_EXTENSION_FUNCTION("tts.speak", TTS_SPEAK) 28 }; 29 30 class TtsStopSpeakingFunction : public ChromeSyncExtensionFunction { 31 private: ~TtsStopSpeakingFunction()32 virtual ~TtsStopSpeakingFunction() {} 33 virtual bool RunSync() OVERRIDE; 34 DECLARE_EXTENSION_FUNCTION("tts.stop", TTS_STOP) 35 }; 36 37 class TtsPauseFunction : public ChromeSyncExtensionFunction { 38 private: ~TtsPauseFunction()39 virtual ~TtsPauseFunction() {} 40 virtual bool RunSync() OVERRIDE; 41 DECLARE_EXTENSION_FUNCTION("tts.pause", TTS_PAUSE) 42 }; 43 44 class TtsResumeFunction : public ChromeSyncExtensionFunction { 45 private: ~TtsResumeFunction()46 virtual ~TtsResumeFunction() {} 47 virtual bool RunSync() OVERRIDE; 48 DECLARE_EXTENSION_FUNCTION("tts.resume", TTS_RESUME) 49 }; 50 51 class TtsIsSpeakingFunction : public ChromeSyncExtensionFunction { 52 private: ~TtsIsSpeakingFunction()53 virtual ~TtsIsSpeakingFunction() {} 54 virtual bool RunSync() OVERRIDE; 55 DECLARE_EXTENSION_FUNCTION("tts.isSpeaking", TTS_ISSPEAKING) 56 }; 57 58 class TtsGetVoicesFunction : public ChromeSyncExtensionFunction { 59 private: ~TtsGetVoicesFunction()60 virtual ~TtsGetVoicesFunction() {} 61 virtual bool RunSync() OVERRIDE; 62 DECLARE_EXTENSION_FUNCTION("tts.getVoices", TTS_GETVOICES) 63 }; 64 65 class TtsAPI : public BrowserContextKeyedAPI { 66 public: 67 explicit TtsAPI(content::BrowserContext* context); 68 virtual ~TtsAPI(); 69 70 // BrowserContextKeyedAPI implementation. 71 static BrowserContextKeyedAPIFactory<TtsAPI>* GetFactoryInstance(); 72 73 private: 74 friend class BrowserContextKeyedAPIFactory<TtsAPI>; 75 76 // BrowserContextKeyedAPI implementation. service_name()77 static const char* service_name() { 78 return "TtsAPI"; 79 } 80 static const bool kServiceIsNULLWhileTesting = true; 81 }; 82 83 } // namespace extensions 84 85 #endif // CHROME_BROWSER_SPEECH_EXTENSION_API_TTS_EXTENSION_API_H_ 86