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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_TRANSLATE_TRANSLATE_SERVICE_H_
#define CHROME_BROWSER_TRANSLATE_TRANSLATE_SERVICE_H_
#include "components/web_resource/resource_request_allowed_notifier.h"
class GURL;
class PrefService;
// Singleton managing the resources required for Translate.
class TranslateService
: public web_resource::ResourceRequestAllowedNotifier::Observer {
public:
// Must be called before the Translate feature can be used.
static void Initialize();
// Must be called to shut down the Translate feature.
static void Shutdown(bool cleanup_pending_fetcher);
// Initializes the TranslateService in a way that it can be initialized
// multiple times in a unit test suite (once for each test). Should be paired
// with ShutdownForTesting at the end of the test.
static void InitializeForTesting();
// Shuts down the TranslateService at the end of a test in a way that the next
// test can initialize and use the service.
static void ShutdownForTesting();
// Let the caller decide if and when we should fetch the language list from
// the translate server. This is a NOOP if switches::kDisableTranslate is set
// or if prefs::kEnableTranslate is set to false.
static void FetchLanguageListFromTranslateServer(PrefService* prefs);
// Returns true if the new translate bubble is enabled.
static bool IsTranslateBubbleEnabled();
// Returns the language to translate to. The language returned is the
// first language found in the following list that is supported by the
// translation service:
// the UI language
// the accept-language list
// If no language is found then an empty string is returned.
static std::string GetTargetLanguage(PrefService* prefs);
// Returns true if the URL can be translated.
static bool IsTranslatableURL(const GURL& url);
private:
TranslateService();
~TranslateService();
// ResourceRequestAllowedNotifier::Observer methods.
void OnResourceRequestsAllowed() override;
// Helper class to know if it's allowed to make network resource requests.
web_resource::ResourceRequestAllowedNotifier
resource_request_allowed_notifier_;
};
#endif // CHROME_BROWSER_TRANSLATE_TRANSLATE_SERVICE_H_
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