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.
5 #ifndef CHROME_BROWSER_SPEECH_TTS_ANDROID_H_
6 #define CHROME_BROWSER_SPEECH_TTS_ANDROID_H_
8 #include "base/android/jni_android.h"
9 #include "base/android/scoped_java_ref.h"
10 #include "chrome/browser/speech/tts_platform.h"
12 class TtsPlatformImplAndroid
: public TtsPlatformImpl
{
14 // TtsPlatformImpl implementation.
15 bool PlatformImplAvailable() override
;
16 bool Speak(int utterance_id
,
17 const std::string
& utterance
,
18 const std::string
& lang
,
19 const VoiceData
& voice
,
20 const UtteranceContinuousParameters
& params
) override
;
21 bool StopSpeaking() override
;
22 void Pause() override
;
23 void Resume() override
;
24 bool IsSpeaking() override
;
25 void GetVoices(std::vector
<VoiceData
>* out_voices
) override
;
27 // Methods called from Java via JNI.
28 void VoicesChanged(JNIEnv
* env
, jobject obj
);
29 void OnEndEvent(JNIEnv
* env
, jobject obj
, jint utterance_id
);
30 void OnErrorEvent(JNIEnv
* env
, jobject obj
, jint utterance_id
);
31 void OnStartEvent(JNIEnv
* env
, jobject obj
, jint utterance_id
);
34 static TtsPlatformImplAndroid
* GetInstance();
35 static bool Register(JNIEnv
* env
);
38 friend struct base::DefaultSingletonTraits
<TtsPlatformImplAndroid
>;
40 TtsPlatformImplAndroid();
41 ~TtsPlatformImplAndroid() override
;
43 void SendFinalTtsEvent(
44 int utterance_id
, TtsEventType event_type
, int char_index
);
46 base::android::ScopedJavaGlobalRef
<jobject
> java_ref_
;
48 std::string utterance_
;
50 DISALLOW_COPY_AND_ASSIGN(TtsPlatformImplAndroid
);
53 #endif // CHROME_BROWSER_SPEECH_TTS_ANDROID_H_