// 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.
#ifndef CHROME_BROWSER_UI_WEBUI_ASH_SETTINGS_PAGES_A11Y_TTS_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_ASH_SETTINGS_PAGES_A11Y_TTS_HANDLER_H_
#include "base/memory/weak_ptr.h"
#include "chrome/browser/ui/webui/ash/settings/pages/a11y/settings_with_tts_preview_handler.h"
#include "content/public/browser/tts_controller.h"
namespace ash::settings {
// ChromeOS "/manageAccessibility/tts/*" settings page UI handler.
class TtsHandler : public SettingsWithTtsPreviewHandler {
public:
TtsHandler();
TtsHandler(const TtsHandler&) = delete;
TtsHandler& operator=(const TtsHandler&) = delete;
~TtsHandler() override;
void HandleGetAllTtsVoiceData(const base::Value::List& args);
void HandleGetTtsExtensions(const base::Value::List& args);
void HandleGetDisplayNameForLocale(const base::Value::List& args);
void HandleGetApplicationLocale(const base::Value::List& args);
// SettingsPageUIHandler implementation.
void RegisterMessages() override;
// VoicesChangedDelegate implementation.
void OnVoicesChanged() override;
// SettingsWithTtsPreviewHandler implementation.
GURL GetSourceURL() const override;
private:
void WakeTtsEngine(const base::Value::List& args);
void OnTtsEngineAwake(bool success);
int GetVoiceLangMatchScore(const content::VoiceData* voice,
const std::string& app_locale);
base::WeakPtrFactory<TtsHandler> weak_factory_{this};
};
} // namespace ash::settings
#endif // CHROME_BROWSER_UI_WEBUI_ASH_SETTINGS_PAGES_A11Y_TTS_HANDLER_H_