Index: chrome/browser/speech/extension_api/tts_engine_extension_api.h |
diff --git a/chrome/browser/speech/extension_api/tts_engine_extension_api.h b/chrome/browser/speech/extension_api/tts_engine_extension_api.h |
index 112c0e1b2f3bba0ec312edf760c68af194f20714..a2df6818e791042449e244444f667ae150b87512 100644 |
--- a/chrome/browser/speech/extension_api/tts_engine_extension_api.h |
+++ b/chrome/browser/speech/extension_api/tts_engine_extension_api.h |
@@ -28,32 +28,19 @@ extern const char kOnPause[]; |
extern const char kOnResume[]; |
} |
-// Return a list of all available voices registered by extensions. |
-void GetExtensionVoices(Profile* profile, std::vector<VoiceData>* out_voices); |
- |
-// Find the first extension with a tts_voices in its |
-// manifest that matches the speech parameters of this utterance. |
-// If found, store a pointer to the extension in |matching_extension| and |
-// the index of the voice within the extension in |voice_index| and |
-// return true. |
-bool GetMatchingExtensionVoice(Utterance* utterance, |
- const extensions::Extension** matching_extension, |
- size_t* voice_index); |
- |
-// Speak the given utterance by sending an event to the given TTS engine |
-// extension voice. |
-void ExtensionTtsEngineSpeak(Utterance* utterance, |
- const VoiceData& voice); |
- |
-// Stop speaking the given utterance by sending an event to the extension |
-// associated with this utterance. |
-void ExtensionTtsEngineStop(Utterance* utterance); |
- |
-// Pause in the middle of speaking this utterance. |
-void ExtensionTtsEnginePause(Utterance* utterance); |
- |
-// Resume speaking this utterance. |
-void ExtensionTtsEngineResume(Utterance* utterance); |
+// TtsEngineDelegate implementation used by TtsController. |
+class TtsExtensionEngine : public TtsEngineDelegate { |
+ public: |
+ static TtsExtensionEngine* GetInstance(); |
+ |
+ // Overridden from TtsEngineDelegate: |
+ virtual void GetVoices(Profile* profile, |
+ std::vector<VoiceData>* out_voices) OVERRIDE; |
+ virtual void Speak(Utterance* utterance, const VoiceData& voice) OVERRIDE; |
+ virtual void Stop(Utterance* utterance) OVERRIDE; |
+ virtual void Pause(Utterance* utterance) OVERRIDE; |
+ virtual void Resume(Utterance* utterance) OVERRIDE; |
+}; |
// Hidden/internal extension function used to allow TTS engine extensions |
// to send events back to the client that's calling tts.speak(). |