chrome/browser/ui/webui/options/clear_browser_data_handler.h

   1 // Copyright (c) 2012 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
   8 #include "base/prefs/pref_member.h"
   9 #include "chrome/browser/browsing_data/browsing_data_remover.h"
  10 #include "chrome/browser/ui/webui/options/options_ui.h"
  11
  12 namespace options {
  13
  14 // Clear browser data handler page UI handler.
  15 class ClearBrowserDataHandler : public OptionsPageUIHandler,
  16                                 public BrowsingDataRemover::Observer {
  17  public:
  18   ClearBrowserDataHandler();
  19   virtual ~ClearBrowserDataHandler();
  20
  21   // OptionsPageUIHandler implementation.
  22   virtual void GetLocalizedValues(
  23       base::DictionaryValue* localized_strings) OVERRIDE;
  24   virtual void InitializeHandler() OVERRIDE;
  25   virtual void InitializePage() OVERRIDE;
  26
  27   // WebUIMessageHandler implementation.
  28   virtual void RegisterMessages() OVERRIDE;
  29
  30   void UpdateInfoBannerVisibility();
  31
  32  private:
  33   // Javascript callback to start clearing data.
  34   void HandleClearBrowserData(const base::ListValue* value);
  35
  36   // BrowsingDataRemover::Observer implementation.
  37   // Closes the dialog once all requested data has been removed.
  38   virtual void OnBrowsingDataRemoverDone() OVERRIDE;
  39
  40   // Updates UI when the pref to allow clearing history changes.
  41   virtual void OnBrowsingHistoryPrefChanged();
  42
  43   // If non-null it means removal is in progress. BrowsingDataRemover takes care
  44   // of deleting itself when done.
  45   BrowsingDataRemover* remover_;
  46
  47   // Keeps track of whether clearing LSO data is supported.
  48   BooleanPrefMember clear_plugin_lso_data_enabled_;
  49
  50   // Keeps track of whether Pepper Flash is enabled and thus Flapper-specific
  51   // settings and removal options (e.g. Content Licenses) are available.
  52   BooleanPrefMember pepper_flash_settings_enabled_;
  53
  54   // Keeps track of whether deleting browsing history and downloads is allowed.
  55   BooleanPrefMember allow_deleting_browser_history_;
  56
  57   DISALLOW_COPY_AND_ASSIGN(ClearBrowserDataHandler);
  58 };
  59
  60 }  // namespace options
  61
  62 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CLEAR_BROWSER_DATA_HANDLER_H_