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// 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_
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