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// 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
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