| // Copyright 2019 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/browser/speech/tts_platform_impl.h" |
| |
| #include "base/functional/callback.h" |
| #include "base/no_destructor.h" |
| |
| namespace content { |
| |
| // Dummy implementation to prevent a browser crash, see crbug.com/1019511 |
| // TODO(crbug.com/40105502): Provide an implementation for Fuchsia. |
| class TtsPlatformImplFuchsia : public TtsPlatformImpl { |
| public: |
| TtsPlatformImplFuchsia() = default; |
| TtsPlatformImplFuchsia(const TtsPlatformImplFuchsia&) = delete; |
| TtsPlatformImplFuchsia& operator=(const TtsPlatformImplFuchsia&) = delete; |
| |
| // TtsPlatform implementation. |
| bool PlatformImplSupported() override { return false; } |
| bool PlatformImplInitialized() override { return false; } |
| void Speak(int utterance_id, |
| const std::string& utterance, |
| const std::string& lang, |
| const VoiceData& voice, |
| const UtteranceContinuousParameters& params, |
| base::OnceCallback<void(bool)> on_speak_finished) override { |
| std::move(on_speak_finished).Run(false); |
| } |
| bool StopSpeaking() override { return false; } |
| bool IsSpeaking() override { return false; } |
| void GetVoices(std::vector<VoiceData>* out_voices) override {} |
| void Pause() override {} |
| void Resume() override {} |
| |
| // Get the single instance of this class. |
| static TtsPlatformImplFuchsia* GetInstance() { |
| static base::NoDestructor<TtsPlatformImplFuchsia> tts_platform; |
| return tts_platform.get(); |
| } |
| }; |
| |
| // static |
| TtsPlatformImpl* TtsPlatformImpl::GetInstance() { |
| return TtsPlatformImplFuchsia::GetInstance(); |
| } |
| |
| } // namespace content |