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 14namespace content { 15class BrowserContext; 16} 17 18const char *TtsEventTypeToString(TtsEventType event_type); 19TtsEventType TtsEventTypeFromString(const std::string& str); 20 21namespace extensions { 22 23class TtsSpeakFunction : public ChromeAsyncExtensionFunction { 24 private: 25 virtual ~TtsSpeakFunction() {} 26 virtual bool RunAsync() OVERRIDE; 27 DECLARE_EXTENSION_FUNCTION("tts.speak", TTS_SPEAK) 28}; 29 30class TtsStopSpeakingFunction : public ChromeSyncExtensionFunction { 31 private: 32 virtual ~TtsStopSpeakingFunction() {} 33 virtual bool RunSync() OVERRIDE; 34 DECLARE_EXTENSION_FUNCTION("tts.stop", TTS_STOP) 35}; 36 37class TtsPauseFunction : public ChromeSyncExtensionFunction { 38 private: 39 virtual ~TtsPauseFunction() {} 40 virtual bool RunSync() OVERRIDE; 41 DECLARE_EXTENSION_FUNCTION("tts.pause", TTS_PAUSE) 42}; 43 44class TtsResumeFunction : public ChromeSyncExtensionFunction { 45 private: 46 virtual ~TtsResumeFunction() {} 47 virtual bool RunSync() OVERRIDE; 48 DECLARE_EXTENSION_FUNCTION("tts.resume", TTS_RESUME) 49}; 50 51class TtsIsSpeakingFunction : public ChromeSyncExtensionFunction { 52 private: 53 virtual ~TtsIsSpeakingFunction() {} 54 virtual bool RunSync() OVERRIDE; 55 DECLARE_EXTENSION_FUNCTION("tts.isSpeaking", TTS_ISSPEAKING) 56}; 57 58class TtsGetVoicesFunction : public ChromeSyncExtensionFunction { 59 private: 60 virtual ~TtsGetVoicesFunction() {} 61 virtual bool RunSync() OVERRIDE; 62 DECLARE_EXTENSION_FUNCTION("tts.getVoices", TTS_GETVOICES) 63}; 64 65class 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. 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