chrome/browser/ui/webui/supervised_user_internals_message_handler.h

   1 // Copyright 2015 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_SUPERVISED_USER_INTERNALS_MESSAGE_HANDLER_H_
   6 #define CHROME_BROWSER_UI_WEBUI_SUPERVISED_USER_INTERNALS_MESSAGE_HANDLER_H_
   7
   8 #include "base/callback_list.h"
   9 #include "base/macros.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "chrome/browser/supervised_user/supervised_user_service_observer.h"
  12 #include "chrome/browser/supervised_user/supervised_user_url_filter.h"
  13 #include "content/public/browser/web_ui_message_handler.h"
  14
  15 namespace base {
  16 class ListValue;
  17 }  // namespace base
  18
  19 class SupervisedUserService;
  20
  21 // The implementation for the chrome://supervised-user-internals page.
  22 class SupervisedUserInternalsMessageHandler
  23     : public content::WebUIMessageHandler,
  24       public SupervisedUserServiceObserver {
  25  public:
  26   SupervisedUserInternalsMessageHandler();
  27   ~SupervisedUserInternalsMessageHandler() override;
  28
  29  private:
  30   class IOThreadHelper;
  31
  32   // content::WebUIMessageHandler:
  33   void RegisterMessages() override;
  34
  35   // SupervisedUserServiceObserver:
  36   void OnURLFilterChanged() override;
  37
  38   SupervisedUserService* GetSupervisedUserService();
  39
  40   void HandleRegisterForEvents(const base::ListValue* args);
  41   void HandleGetBasicInfo(const base::ListValue* args);
  42   void HandleTryURL(const base::ListValue* args);
  43
  44   void SendBasicInfo();
  45   void SendSupervisedUserSettings(const base::DictionaryValue* settings);
  46
  47   void OnTryURLResult(
  48       SupervisedUserURLFilter::FilteringBehavior behavior,
  49       SupervisedUserURLFilter::FilteringBehaviorReason reason,
  50       bool uncertain);
  51
  52   void OnURLChecked(const GURL& url,
  53                     SupervisedUserURLFilter::FilteringBehavior behavior,
  54                     SupervisedUserURLFilter::FilteringBehaviorReason reason,
  55                     bool uncertain);
  56
  57   scoped_ptr<base::CallbackList<void(
  58       const base::DictionaryValue*)>::Subscription> user_settings_subscription_;
  59
  60   scoped_refptr<IOThreadHelper> io_thread_helper_;
  61
  62   base::WeakPtrFactory<SupervisedUserInternalsMessageHandler> weak_factory_;
  63
  64   DISALLOW_COPY_AND_ASSIGN(SupervisedUserInternalsMessageHandler);
  65 };
  66
  67 #endif  // CHROME_BROWSER_UI_WEBUI_SUPERVISED_USER_INTERNALS_MESSAGE_HANDLER_H_