ios/chrome/browser/translate/chrome_ios_translate_client.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef IOS_CHROME_BROWSER_TRANSLATE_CHROME_IOS_TRANSLATE_CLIENT_H_
   6 #define IOS_CHROME_BROWSER_TRANSLATE_CHROME_IOS_TRANSLATE_CLIENT_H_
   7
   8 #include <string>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "components/translate/core/browser/translate_client.h"
  12 #include "components/translate/core/browser/translate_step.h"
  13 #include "components/translate/core/common/translate_errors.h"
  14 #include "components/translate/ios/browser/ios_translate_driver.h"
  15 #include "ios/web/public/web_state/web_state_observer.h"
  16 #include "ios/web/public/web_state/web_state_user_data.h"
  17
  18 class PrefService;
  19
  20 namespace translate {
  21 class TranslateAcceptLanguages;
  22 class TranslatePrefs;
  23 class TranslateManager;
  24 }  // namespace translate
  25
  26 namespace web {
  27 class WebState;
  28 }
  29
  30 class ChromeIOSTranslateClient
  31     : public translate::TranslateClient,
  32       public web::WebStateObserver,
  33       public web::WebStateUserData<ChromeIOSTranslateClient> {
  34  public:
  35   ~ChromeIOSTranslateClient() override;
  36
  37   // Helper method to return a new TranslatePrefs instance.
  38   static scoped_ptr<translate::TranslatePrefs> CreateTranslatePrefs(
  39       PrefService* prefs);
  40
  41   // Gets the associated TranslateManager.
  42   translate::TranslateManager* GetTranslateManager();
  43
  44   // TranslateClient implementation.
  45   translate::TranslateDriver* GetTranslateDriver() override;
  46   PrefService* GetPrefs() override;
  47   scoped_ptr<translate::TranslatePrefs> GetTranslatePrefs() override;
  48   translate::TranslateAcceptLanguages* GetTranslateAcceptLanguages() override;
  49   int GetInfobarIconID() const override;
  50   scoped_ptr<infobars::InfoBar> CreateInfoBar(
  51       scoped_ptr<translate::TranslateInfoBarDelegate> delegate) const override;
  52   void ShowTranslateUI(translate::TranslateStep step,
  53                        const std::string source_language,
  54                        const std::string target_language,
  55                        translate::TranslateErrors::Type error_type,
  56                        bool triggered_from_menu) override;
  57   bool IsTranslatableURL(const GURL& url) override;
  58   void ShowReportLanguageDetectionErrorUI(const GURL& report_url) override;
  59
  60  private:
  61   explicit ChromeIOSTranslateClient(web::WebState* web_state);
  62   friend class web::WebStateUserData<ChromeIOSTranslateClient>;
  63
  64   // web::WebStateObserver implementation.
  65   void WebStateDestroyed() override;
  66
  67   scoped_ptr<translate::TranslateManager> translate_manager_;
  68   translate::IOSTranslateDriver translate_driver_;
  69
  70   DISALLOW_COPY_AND_ASSIGN(ChromeIOSTranslateClient);
  71 };
  72
  73 #endif  // IOS_CHROME_BROWSER_TRANSLATE_CHROME_IOS_TRANSLATE_CLIENT_H_