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content / browser / speech / tts_platform_impl.cc [blame]
// Copyright 2018 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 "build/build_config.h"
#include "content/public/browser/content_browser_client.h"
#include "content/public/common/content_client.h"
#include <string>
#include "build/chromeos_buildflags.h"
namespace content {
// static
TtsPlatform* TtsPlatform::GetInstance() {
#if !defined(NO_CONTENT_CLIENT)
TtsPlatform* result = GetContentClient()->browser()->GetTtsPlatform();
if (result)
return result;
#endif
#if BUILDFLAG(IS_CHROMEOS)
// On Chrome OS, the platform TTS definition is provided by the content
// client.
//
// If this code is reached in production it implies that somebody is
// trying to do TTS on a platform where the content client implementation
// is not provided, that's probably not intended. It's not important
// if this is hit in something like a content-only unit test.
NOTREACHED_IN_MIGRATION();
return nullptr;
#else
return TtsPlatformImpl::GetInstance();
#endif
}
void TtsPlatformImpl::LoadBuiltInTtsEngine(BrowserContext* browser_context) {}
void TtsPlatformImpl::WillSpeakUtteranceWithVoice(TtsUtterance* utterance,
const VoiceData& voice_data) {
}
std::string TtsPlatformImpl::GetError() {
return error_;
}
void TtsPlatformImpl::ClearError() {
error_ = std::string();
}
void TtsPlatformImpl::SetError(const std::string& error) {
error_ = error;
}
void TtsPlatformImpl::Shutdown() {}
void TtsPlatformImpl::FinalizeVoiceOrdering(std::vector<VoiceData>& voices) {}
ExternalPlatformDelegate* TtsPlatformImpl::GetExternalPlatformDelegate() {
return nullptr;
}
} // namespace content