chromium/content/browser/speech/tts_controller_impl.h

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_SPEECH_TTS_CONTROLLER_IMPL_H_
#define CONTENT_BROWSER_SPEECH_TTS_CONTROLLER_IMPL_H_

#include <list>
#include <memory>
#include <string>
#include <vector>

#include "base/gtest_prod_util.h"
#include "base/json/json_reader.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/singleton.h"
#include "base/metrics/user_metrics.h"
#include "base/observer_list.h"
#include "base/values.h"
#include "build/build_config.h"
#include "build/chromeos_buildflags.h"
#include "content/common/content_export.h"
#include "content/public/browser/tts_controller.h"
#include "content/public/browser/tts_platform.h"
#include "content/public/browser/web_contents_observer.h"
#include "net/base/network_change_notifier.h"
#include "services/data_decoder/public/cpp/data_decoder.h"
#include "url/gurl.h"

namespace content {
class BrowserContext;

#if BUILDFLAG(IS_CHROMEOS_ASH)
class TtsControllerDelegate;
#endif

// Singleton class that manages text-to-speech for all TTS engines and
// APIs, maintaining a queue of pending utterances and keeping
// track of all state.
class CONTENT_EXPORT TtsControllerImpl
    : public TtsController,
      public WebContentsObserver,
      public net::NetworkChangeNotifier::NetworkChangeObserver { … };

}  // namespace content

#endif  // CONTENT_BROWSER_SPEECH_TTS_CONTROLLER_IMPL_H_