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 COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_DRIVER_H_ 6 #define COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_DRIVER_H_ 7 8 #include <string> 9 10 class GURL; 11 12 namespace translate { 13 14 // Interface that allows Translate core code to interact with its driver (i.e., 15 // obtain information from it and give information to it). A concrete 16 // implementation must be provided by the driver. 17 class TranslateDriver { 18 public: 19 // Returns true if the current page was navigated through a link. 20 virtual bool IsLinkNavigation() = 0; 21 22 // Called when Translate is enabled or disabled. 23 virtual void OnTranslateEnabledChanged() = 0; 24 25 // Called when the page is "translated" state of the page changed. 26 virtual void OnIsPageTranslatedChanged() = 0; 27 28 // Translates the page contents from |source_lang| to |target_lang|. 29 virtual void TranslatePage(int page_seq_no, 30 const std::string& translate_script, 31 const std::string& source_lang, 32 const std::string& target_lang) = 0; 33 34 // Reverts the contents of the page to its original language. 35 virtual void RevertTranslation(int page_seq_no) = 0; 36 37 // Returns whether the user is currently operating in off-the-record mode. 38 virtual bool IsOffTheRecord() = 0; 39 40 // Returns the mime type of the current page. 41 virtual const std::string& GetContentsMimeType() = 0; 42 43 // Returns the last committed URL, or an empty GURL if there is no committed 44 // URL. 45 virtual const GURL& GetLastCommittedURL() = 0; 46 47 // Returns the active URL, or an empty GURL if there is no active URL. 48 virtual const GURL& GetActiveURL() = 0; 49 50 // Returns the visible URL, or an empty GURL if there is no visible URL. 51 virtual const GURL& GetVisibleURL() = 0; 52 53 // Returns whether the driver has access to the current page. 54 virtual bool HasCurrentPage() = 0; 55 56 // Opens |url| in a new tab. 57 virtual void OpenUrlInNewTab(const GURL& url) = 0; 58 }; 59 60 } // namespace translate 61 62 #endif // COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_DRIVER_H_ 63