1 // Copyright (c) 2011 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 CHROME_BROWSER_TRANSLATE_TRANSLATE_TAB_HELPER_H_ 6 #define CHROME_BROWSER_TRANSLATE_TRANSLATE_TAB_HELPER_H_ 7 #pragma once 8 9 #include "chrome/browser/tab_contents/language_state.h" 10 #include "chrome/common/translate_errors.h" 11 #include "content/browser/tab_contents/tab_contents_observer.h" 12 13 class TranslateTabHelper : public TabContentsObserver { 14 public: 15 explicit TranslateTabHelper(TabContents* tab_contents); 16 ~TranslateTabHelper(); 17 language_state()18 LanguageState& language_state() { return language_state_; } 19 20 private: 21 // TabContentsObserver implementation. 22 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; 23 virtual void DidNavigateAnyFramePostCommit( 24 const NavigationController::LoadCommittedDetails& details, 25 const ViewHostMsg_FrameNavigate_Params& params) OVERRIDE; 26 27 void OnLanguageDetermined(const std::string& language, 28 bool page_translatable); 29 void OnPageTranslated(int32 page_id, 30 const std::string& original_lang, 31 const std::string& translated_lang, 32 TranslateErrors::Type error_type); 33 34 // Information about the language the page is in and has been translated to. 35 LanguageState language_state_; 36 37 DISALLOW_COPY_AND_ASSIGN(TranslateTabHelper); 38 }; 39 40 #endif // CHROME_BROWSER_TRANSLATE_TRANSLATE_TAB_HELPER_H_ 41