| // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_SPEECH_TTS_ANDROID_H_ |
| #define CHROME_BROWSER_SPEECH_TTS_ANDROID_H_ |
| |
| #include "base/android/jni_android.h" |
| #include "base/android/scoped_java_ref.h" |
| #include "chrome/browser/speech/tts_platform.h" |
| |
| class TtsPlatformImplAndroid : public TtsPlatformImpl { |
| public: |
| // TtsPlatformImpl implementation. |
| virtual bool PlatformImplAvailable() OVERRIDE; |
| virtual bool Speak( |
| int utterance_id, |
| const std::string& utterance, |
| const std::string& lang, |
| const VoiceData& voice, |
| const UtteranceContinuousParameters& params) OVERRIDE; |
| virtual bool StopSpeaking() OVERRIDE; |
| virtual void Pause() OVERRIDE; |
| virtual void Resume() OVERRIDE; |
| virtual bool IsSpeaking() OVERRIDE; |
| virtual void GetVoices(std::vector<VoiceData>* out_voices) OVERRIDE; |
| |
| // Methods called from Java via JNI. |
| void VoicesChanged(JNIEnv* env, jobject obj); |
| void OnEndEvent(JNIEnv* env, jobject obj, jint utterance_id); |
| void OnErrorEvent(JNIEnv* env, jobject obj, jint utterance_id); |
| void OnStartEvent(JNIEnv* env, jobject obj, jint utterance_id); |
| |
| // Static functions. |
| static TtsPlatformImplAndroid* GetInstance(); |
| static bool Register(JNIEnv* env); |
| |
| private: |
| friend struct DefaultSingletonTraits<TtsPlatformImplAndroid>; |
| |
| TtsPlatformImplAndroid(); |
| virtual ~TtsPlatformImplAndroid(); |
| |
| void SendFinalTtsEvent( |
| int utterance_id, TtsEventType event_type, int char_index); |
| |
| base::android::ScopedJavaGlobalRef<jobject> java_ref_; |
| int utterance_id_; |
| std::string utterance_; |
| |
| DISALLOW_COPY_AND_ASSIGN(TtsPlatformImplAndroid); |
| }; |
| |
| #endif // CHROME_BROWSER_SPEECH_TTS_ANDROID_H_ |