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// Copyright 2021 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_WEB_APPLICATIONS_WEB_APP_TRANSLATION_MANAGER_H_
#define CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_TRANSLATION_MANAGER_H_
#include <map>
#include "base/containers/flat_map.h"
#include "base/files/file_path.h"
#include "base/functional/callback.h"
#include "base/memory/scoped_refptr.h"
#include "base/scoped_observation.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/web_applications/file_utils_wrapper.h"
#include "chrome/browser/web_applications/proto/web_app_translations.pb.h"
#include "components/webapps/common/web_app_id.h"
#include "third_party/blink/public/common/manifest/manifest.h"
namespace web_app {
class WebAppProvider;
using Locale = std::string;
// Handles reading and writing web app translations data to disk and caching
// the translations for the current browser locale.
class WebAppTranslationManager {
public:
using ReadCallback = base::OnceCallback<void(
const std::map<webapps::AppId, blink::Manifest::TranslationItem>& cache)>;
using WriteCallback = base::OnceCallback<void(bool success)>;
explicit WebAppTranslationManager(Profile* profile);
WebAppTranslationManager(const WebAppTranslationManager&) = delete;
WebAppTranslationManager& operator=(const WebAppTranslationManager&) = delete;
~WebAppTranslationManager();
void SetProvider(base::PassKey<WebAppProvider>, WebAppProvider& provider);
void Start();
void WriteTranslations(
const webapps::AppId& app_id,
const base::flat_map<Locale, blink::Manifest::TranslationItem>&
translations,
WriteCallback callback);
void DeleteTranslations(const webapps::AppId& app_id, WriteCallback callback);
void ReadTranslations(ReadCallback callback);
// Returns the translated web app name, if available in the browser's locale,
// otherwise returns an empty string.
std::string GetTranslatedName(const webapps::AppId& app_id);
// Returns the translated web app description, if available in the browser's
// locale, otherwise returns an empty string.
std::string GetTranslatedDescription(const webapps::AppId& app_id);
// TODO(crbug.com/40183274): Add a method to get the short_name.
private:
void OnTranslationsRead(ReadCallback callback,
const proto::AllTranslations& proto);
raw_ptr<WebAppProvider> provider_ = nullptr;
base::FilePath web_apps_directory_;
// Cache of the translations on disk for the current device language.
std::map<webapps::AppId, blink::Manifest::TranslationItem> translation_cache_;
base::WeakPtrFactory<WebAppTranslationManager> weak_ptr_factory_{this};
};
} // namespace web_app
#endif // CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_TRANSLATION_MANAGER_H_
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