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| 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 bool IsSpeaking() OVERRIDE; |
| 24 virtual void GetVoices(std::vector<VoiceData>* out_voices) OVERRIDE; |
| 25 |
| 26 // Methods called from Java via JNI. |
| 27 void VoicesChanged(JNIEnv* env, jobject obj); |
| 28 void OnEndEvent(JNIEnv* env, jobject obj, jint utterance_id); |
| 29 void OnErrorEvent(JNIEnv* env, jobject obj, jint utterance_id); |
| 30 void OnStartEvent(JNIEnv* env, jobject obj, jint utterance_id); |
| 31 |
| 32 // Static functions. |
| 33 static TtsPlatformImplAndroid* GetInstance(); |
| 34 static bool Register(JNIEnv* env); |
| 35 |
| 36 private: |
| 37 friend struct DefaultSingletonTraits<TtsPlatformImplAndroid>; |
| 38 |
| 39 TtsPlatformImplAndroid(); |
| 40 virtual ~TtsPlatformImplAndroid(); |
| 41 |
| 42 void SendFinalTtsEvent( |
| 43 int utterance_id, TtsEventType event_type, int char_index); |
| 44 |
| 45 base::android::ScopedJavaGlobalRef<jobject> java_ref_; |
| 46 int utterance_id_; |
| 47 std::string utterance_; |
| 48 |
| 49 DISALLOW_COPY_AND_ASSIGN(TtsPlatformImplAndroid); |
| 50 }; |
| 51 |
| 52 #endif // CHROME_BROWSER_SPEECH_TTS_ANDROID_H_ |
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