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      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_UI_WEBUI_OPTIONS_CLEAR_BROWSER_DATA_HANDLER_H_
      6 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_CLEAR_BROWSER_DATA_HANDLER_H_
      7 #pragma once
      8 
      9 #include "chrome/browser/browsing_data_remover.h"
     10 #include "chrome/browser/prefs/pref_member.h"
     11 #include "chrome/browser/ui/webui/options/options_ui.h"
     12 
     13 // Clear browser data handler page UI handler.
     14 class ClearBrowserDataHandler : public OptionsPageUIHandler,
     15                                 public BrowsingDataRemover::Observer {
     16  public:
     17   ClearBrowserDataHandler();
     18   virtual ~ClearBrowserDataHandler();
     19 
     20   // OptionsPageUIHandler implementation.
     21   virtual void Initialize();
     22 
     23   virtual void GetLocalizedValues(DictionaryValue* localized_strings);
     24 
     25   // WebUIMessageHandler implementation.
     26   virtual void RegisterMessages();
     27 
     28  private:
     29   // Javascript callback to start clearing data.
     30   void HandleClearBrowserData(const ListValue* value);
     31 
     32   // Callback from BrowsingDataRemover. Closes the dialog.
     33   virtual void OnBrowsingDataRemoverDone();
     34 
     35   // If non-null it means removal is in progress. BrowsingDataRemover takes care
     36   // of deleting itself when done.
     37   BrowsingDataRemover* remover_;
     38 
     39   // Keeps track of whether clearing LSO data is supported.
     40   BooleanPrefMember clear_plugin_lso_data_enabled_;
     41 
     42   DISALLOW_COPY_AND_ASSIGN(ClearBrowserDataHandler);
     43 };
     44 
     45 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CLEAR_BROWSER_DATA_HANDLER_H_
     46