Componentize TranslateUIDelegate

components/translate/core/browser/translate_ui_delegate.h

 // Copyright 2013 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_UI_DELEGATE_H_
-#define CHROME_BROWSER_TRANSLATE_TRANSLATE_UI_DELEGATE_H_
+#ifndef COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_UI_DELEGATE_H_
+#define COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_UI_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
-#include "chrome/common/chrome_constants.h"
 #include "components/translate/core/common/translate_errors.h"
 
+class LanguageState;
+class TranslateClient;
+class TranslateDriver;
+class TranslateManager;
 class TranslatePrefs;
 
-namespace content {
-class WebContents;
-}  // namespace content
-
 // The TranslateUIDelegate is a generic delegate for UI which offers Translate
 // feature to the user.
 class TranslateUIDelegate {
  public:
   enum {
     NO_INDEX = -1,
   };
 
-  TranslateUIDelegate(content::WebContents* web_contents,
+  TranslateUIDelegate(TranslateClient* translate_client,
+                      TranslateManager* translate_manager,
                       const std::string& original_language,
                       const std::string& target_language);
   virtual ~TranslateUIDelegate();
 
-  content::WebContents* web_contents() { return web_contents_; }
-
   // Handles when an error message is shown.
   void OnErrorShown(TranslateErrors::Type error_type);
 
+  // Returns the LanguageState associated with this object.
+  const LanguageState& GetLanguageState();
+
   // Returns the number of languages supported.
   size_t GetNumberOfLanguages() const;
 
   // Returns the original language index.
   size_t GetOriginalLanguageIndex() const;
 
   // Updates the original language index.
   void UpdateOriginalLanguageIndex(size_t language_index);
 
   // Returns the target language index.
@@ skipping 41 matching lines @@
 
   // Sets the value if the webpage in the current original language should be
   // translated into the current target language automatically.
   void SetAlwaysTranslate(bool value);
 
  private:
   // Gets the host of the page being translated, or an empty string if no URL is
   // associated with the current page.
   std::string GetPageHost();
 
-  content::WebContents* web_contents_;
+  TranslateClient* translate_client_;
+  TranslateDriver* translate_driver_;
+  TranslateManager* translate_manager_;
 
   typedef std::pair<std::string, base::string16> LanguageNamePair;
 
   // The list supported languages for translation.
   // The pair first string is the language ISO code (ex: en, fr...), the second
   // string is the displayable name on the current locale.
   // The languages are sorted alphabetically based on the displayable name.
   std::vector<LanguageNamePair> languages_;
 
   // The index for language the page is originally in.
   size_t original_language_index_;
 
   // The index for language the page is originally in that was originally
   // reported (original_language_index_ changes if the user selects a new
   // original language, but this one does not).  This is necessary to report
   // language detection errors with the right original language even if the user
   // changed the original language.
   size_t initial_original_language_index_;
 
   // The index for language the page should be translated to.
   size_t target_language_index_;
 
   // The translation related preferences.
   scoped_ptr<TranslatePrefs> prefs_;
 
   DISALLOW_COPY_AND_ASSIGN(TranslateUIDelegate);
 };
 
-#endif  // CHROME_BROWSER_TRANSLATE_TRANSLATE_UI_DELEGATE_H_
+#endif  // COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_UI_DELEGATE_H_