Componentize TranslateManager

chrome/browser/translate/translate_manager.h

Index: chrome/browser/translate/translate_manager.h
diff --git a/chrome/browser/translate/translate_manager.h b/chrome/browser/translate/translate_manager.h
deleted file mode 100644
index 894c6c923149c65cef5dfac9f4f37e7d9e348e05..0000000000000000000000000000000000000000
--- a/chrome/browser/translate/translate_manager.h
+++ /dev/null
@@ -1,116 +0,0 @@
-// Copyright 2012 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_MANAGER_H_
-#define CHROME_BROWSER_TRANSLATE_TRANSLATE_MANAGER_H_
-
-#include <map>
-#include <string>
-#include <vector>
-
-#include "base/callback_list.h"
-#include "base/gtest_prod_util.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "components/translate/core/common/translate_errors.h"
-
-class GURL;
-class PrefService;
-class TranslateClient;
-class TranslateDriver;
-struct TranslateErrorDetails;
-class TranslateTabHelper;
-
-// The TranslateManager class is responsible for showing an info-bar when a page
-// in a language different than the user language is loaded.  It triggers the
-// page translation the user requests.
-// TranslateManager expects its associated TranslateTabHelper to always have a
-// valid WebContents (i.e. the WebContents is never destroyed within the
-// lifetime of TranslateManager).
-
-class TranslateManager {
- public:
-  // TranslateTabHelper is expected to outlive the TranslateManager.
-  // |accept_language_pref_name| is the path for the preference for the
-  // accept-languages.
-  TranslateManager(TranslateTabHelper* helper,
-                   const std::string& accept_language_pref_name);
-  virtual ~TranslateManager();
-
-  // 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(
-      const std::vector<std::string>& accept_languages_list);
-
-  // Returns the language to automatically translate to. |original_language| is
-  // the webpage's original language.
-  static std::string GetAutoTargetLanguage(const std::string& original_language,
-                                           PrefService* prefs);
-
-  // Translates the page contents from |source_lang| to |target_lang|.
-  // The actual translation might be performed asynchronously if the translate
-  // script is not yet available.
-  void TranslatePage(const std::string& source_lang,
-                     const std::string& target_lang,
-                     bool triggered_from_menu);
-
-  // Starts the translation process for a page in the |page_lang| language.
-  void InitiateTranslation(const std::string& page_lang);
-
-  // Shows the after translate or error infobar depending on the details.
-  void PageTranslated(const std::string& source_lang,
-                      const std::string& target_lang,
-                      TranslateErrors::Type error_type);
-
-  // Reverts the contents of the page to its original language.
-  void RevertTranslation();
-
-  // Reports to the Google translate server that a page language was incorrectly
-  // detected.  This call is initiated by the user selecting the "report" menu
-  // under options in the translate infobar.
-  void ReportLanguageDetectionError();
-
-  // Callback types for translate errors.
-  typedef base::Callback<void(const TranslateErrorDetails&)>
-      TranslateErrorCallback;
-  typedef base::CallbackList<void(const TranslateErrorDetails&)>
-      TranslateErrorCallbackList;
-
-  // Registers a callback for translate errors.
-  static scoped_ptr<TranslateErrorCallbackList::Subscription>
-      RegisterTranslateErrorCallback(const TranslateErrorCallback& callback);
-
- private:
-  // Sends a translation request to the TranslateDriver.
-  void DoTranslatePage(const std::string& translate_script,
-                       const std::string& source_lang,
-                       const std::string& target_lang);
-
-  // Called when the Translate script has been fetched.
-  // Initiates the translation.
-  void OnTranslateScriptFetchComplete(int page_id,
-                                      const std::string& source_lang,
-                                      const std::string& target_lang,
-                                      bool success,
-                                      const std::string& data);
-
-  // Preference name for the Accept-Languages HTTP header.
-  std::string accept_languages_pref_name_;
-
-  // TODO(droger): Remove all uses of |translate_tab_helper_|, use
-  // TranslateClient and TranslateDriver instead.
-  TranslateTabHelper* translate_tab_helper_;  // Weak.
-  TranslateClient* translate_client_;         // Weak.
-  TranslateDriver* translate_driver_;  // Weak.
-
-  base::WeakPtrFactory<TranslateManager> weak_method_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(TranslateManager);
-};
-
-#endif  // CHROME_BROWSER_TRANSLATE_TRANSLATE_MANAGER_H_