1 // Copyright (c) 2013 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_TTS_ANDROID_H_ 6 #define CHROME_BROWSER_SPEECH_TTS_ANDROID_H_ 7 8 #include "base/android/jni_android.h" 9 #include "base/android/scoped_java_ref.h" 10 #include "chrome/browser/speech/tts_platform.h" 11 12 class TtsPlatformImplAndroid : public TtsPlatformImpl { 13 public: 14 // TtsPlatformImpl implementation. 15 virtual bool PlatformImplAvailable() OVERRIDE; 16 virtual bool Speak( 17 int utterance_id, 18 const std::string& utterance, 19 const std::string& lang, 20 const VoiceData& voice, 21 const UtteranceContinuousParameters& params) OVERRIDE; 22 virtual bool StopSpeaking() OVERRIDE; 23 virtual void Pause() OVERRIDE; 24 virtual void Resume() OVERRIDE; 25 virtual bool IsSpeaking() OVERRIDE; 26 virtual void GetVoices(std::vector<VoiceData>* out_voices) OVERRIDE; 27 28 // Methods called from Java via JNI. 29 void VoicesChanged(JNIEnv* env, jobject obj); 30 void OnEndEvent(JNIEnv* env, jobject obj, jint utterance_id); 31 void OnErrorEvent(JNIEnv* env, jobject obj, jint utterance_id); 32 void OnStartEvent(JNIEnv* env, jobject obj, jint utterance_id); 33 34 // Static functions. 35 static TtsPlatformImplAndroid* GetInstance(); 36 static bool Register(JNIEnv* env); 37 38 private: 39 friend struct DefaultSingletonTraits<TtsPlatformImplAndroid>; 40 41 TtsPlatformImplAndroid(); 42 virtual ~TtsPlatformImplAndroid(); 43 44 void SendFinalTtsEvent( 45 int utterance_id, TtsEventType event_type, int char_index); 46 47 base::android::ScopedJavaGlobalRef<jobject> java_ref_; 48 int utterance_id_; 49 std::string utterance_; 50 51 DISALLOW_COPY_AND_ASSIGN(TtsPlatformImplAndroid); 52 }; 53 54 #endif // CHROME_BROWSER_SPEECH_TTS_ANDROID_H_ 55
