|  | // 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 IOS_CHROME_BROWSER_TRANSLATE_TRANSLATE_SERVICE_IOS_H_ | 
|  | #define IOS_CHROME_BROWSER_TRANSLATE_TRANSLATE_SERVICE_IOS_H_ | 
|  |  | 
|  | #include "base/macros.h" | 
|  | #include "components/web_resource/resource_request_allowed_notifier.h" | 
|  |  | 
|  | class GURL; | 
|  |  | 
|  | // Singleton managing the resources required for Translate. | 
|  | class TranslateServiceIOS | 
|  | : 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(); | 
|  |  | 
|  | // Returns true if the URL can be translated. | 
|  | static bool IsTranslatableURL(const GURL& url); | 
|  |  | 
|  | private: | 
|  | TranslateServiceIOS(); | 
|  | ~TranslateServiceIOS(); | 
|  |  | 
|  | // 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_; | 
|  |  | 
|  | DISALLOW_COPY_AND_ASSIGN(TranslateServiceIOS); | 
|  | }; | 
|  |  | 
|  | #endif  // IOS_CHROME_BROWSER_TRANSLATE_TRANSLATE_SERVICE_IOS_H_ |