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// Copyright 2020 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_ACCESSIBILITY_SODA_INSTALLER_IMPL_H_
#define CHROME_BROWSER_ACCESSIBILITY_SODA_INSTALLER_IMPL_H_
#include <map>
#include <string>
#include "base/containers/flat_map.h"
#include "base/files/file_path.h"
#include "base/memory/weak_ptr.h"
#include "base/scoped_observation.h"
#include "base/time/time.h"
#include "components/component_updater/component_updater_service.h"
#include "components/soda/soda_installer.h"
class PrefService;
namespace update_client {
struct CrxUpdateItem;
}
namespace speech {
// Installer of SODA (Speech On-Device API) for the Live Caption feature on
// non-ChromeOS desktop versions of Chrome browser.
class SodaInstallerImpl : public SodaInstaller,
public component_updater::ServiceObserver {
public:
SodaInstallerImpl();
~SodaInstallerImpl() override;
SodaInstallerImpl(const SodaInstallerImpl&) = delete;
SodaInstallerImpl& operator=(const SodaInstallerImpl&) = delete;
// Currently only implemented in the chromeos-specific subclass.
base::FilePath GetSodaBinaryPath() const override;
base::FilePath GetLanguagePath(const std::string& language) const override;
// SodaInstaller:
void InstallLanguage(const std::string& language,
PrefService* global_prefs) override;
void UninstallLanguage(const std::string& language,
PrefService* global_prefs) override;
std::vector<std::string> GetAvailableLanguages() const override;
protected:
// SodaInstaller:
void InstallSoda(PrefService* global_prefs) override;
void UninstallSoda(PrefService* global_prefs) override;
// component_updater::ServiceObserver:
void OnEvent(const update_client::CrxUpdateItem& item) override;
void OnSodaBinaryInstalled();
void OnSodaLanguagePackInstalled(speech::LanguageCode language_code);
private:
void DeleteSodaFiles();
void UpdateAndNotifyOnSodaProgress(speech::LanguageCode language_code);
std::map<speech::LanguageCode, update_client::CrxUpdateItem>
downloading_components_;
base::Time soda_binary_install_start_time_;
base::flat_map<LanguageCode, base::Time> language_pack_install_start_time_;
base::ScopedObservation<component_updater::ComponentUpdateService,
component_updater::ComponentUpdateService::Observer>
component_updater_observation_{this};
base::WeakPtrFactory<SodaInstallerImpl> weak_factory_{this};
};
} // namespace speech
#endif // CHROME_BROWSER_ACCESSIBILITY_SODA_INSTALLER_IMPL_H_
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