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

   1 // Copyright 2014 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_SUPERVISED_USER_IMPORT_HANDLER_H_
   6 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_SUPERVISED_USER_IMPORT_HANDLER_H_
   7
   8 #include <string>
   9
  10 #include "base/callback_list.h"
  11 #include "base/memory/weak_ptr.h"
  12 #include "base/scoped_observer.h"
  13 #include "base/strings/string16.h"
  14 #include "chrome/browser/profiles/profile_info_cache_observer.h"
  15 #include "chrome/browser/supervised_user/legacy/supervised_user_sync_service_observer.h"
  16 #include "chrome/browser/ui/webui/options/options_ui.h"
  17 #include "components/signin/core/browser/signin_error_controller.h"
  18
  19 namespace base {
  20 class DictionaryValue;
  21 class ListValue;
  22 }
  23
  24 class ProfileInfoCache;
  25 class SupervisedUserSyncService;
  26
  27 namespace options {
  28
  29 // Handler for the 'import existing supervised user' dialog.
  30 class SupervisedUserImportHandler : public OptionsPageUIHandler,
  31                                     public ProfileInfoCacheObserver,
  32                                     public SupervisedUserSyncServiceObserver,
  33                                     public SigninErrorController::Observer {
  34  public:
  35   typedef base::CallbackList<void(const std::string&, const std::string&)>
  36       CallbackList;
  37
  38   SupervisedUserImportHandler();
  39   ~SupervisedUserImportHandler() override;
  40
  41  private:
  42   // OptionsPageUIHandler implementation.
  43   void GetLocalizedValues(base::DictionaryValue* localized_strings) override;
  44   void InitializeHandler() override;
  45
  46   // WebUIMessageHandler implementation.
  47   void RegisterMessages() override;
  48
  49   // ProfileInfoCacheObserver implementation.
  50   void OnProfileAdded(const base::FilePath& profile_path) override;
  51   void OnProfileWillBeRemoved(const base::FilePath& profile_path) override;
  52   void OnProfileWasRemoved(const base::FilePath& profile_path,
  53                            const base::string16& profile_name) override;
  54   void OnProfileIsOmittedChanged(const base::FilePath& profile_path) override;
  55
  56   // SupervisedUserSyncServiceObserver implementation.
  57   void OnSupervisedUserAcknowledged(
  58       const std::string& supervised_user_id) override {}
  59   void OnSupervisedUsersSyncingStopped() override {}
  60   void OnSupervisedUsersChanged() override;
  61
  62   // SigninErrorController::Observer implementation.
  63   void OnErrorChanged() override;
  64
  65   // Clears the cached list of supervised users and fetches the new list of
  66   // supervised users.
  67   void FetchSupervisedUsers();
  68
  69   // Callback for the "requestSupervisedUserImportUpdate" message.
  70   // Checks the sign-in status of the custodian and accordingly
  71   // sends an update to the WebUI. The update can be to show/hide
  72   // an error bubble and update/clear the supervised user list.
  73   void RequestSupervisedUserImportUpdate(const base::ListValue* args);
  74
  75   // Sends an array of supervised users to WebUI. Each entry is of the form:
  76   //   supervisedProfile = {
  77   //     id: "Supervised User ID",
  78   //     name: "Supervised User Name",
  79   //     iconURL: "chrome://path/to/icon/image",
  80   //     onCurrentDevice: true or false,
  81   //     needAvatar: true or false
  82   //   }
  83   // The array holds all existing supervised users attached to the
  84   // custodian's profile which initiated the request.
  85   void SendExistingSupervisedUsers(const base::DictionaryValue* dict);
  86
  87   // Sends messages to the JS side to clear supervised users and show an error
  88   // bubble.
  89   void ClearSupervisedUsersAndShowError();
  90
  91   bool IsAccountConnected() const;
  92   bool HasAuthError() const;
  93
  94   // Called when a supervised user shared setting is changed. If the avatar was
  95   // changed, FetchSupervisedUsers() is called.
  96   void OnSharedSettingChanged(const std::string& supervised_user_id,
  97                               const std::string& key);
  98
  99   scoped_ptr<CallbackList::Subscription> subscription_;
 100
 101   ScopedObserver<ProfileInfoCache, SupervisedUserImportHandler>
 102       profile_observer_;
 103   ScopedObserver<SigninErrorController, SupervisedUserImportHandler>
 104       signin_error_observer_;
 105   ScopedObserver<SupervisedUserSyncService, SupervisedUserImportHandler>
 106       supervised_user_sync_service_observer_;
 107
 108   bool removed_profile_is_supervised_;
 109
 110   base::WeakPtrFactory<SupervisedUserImportHandler> weak_ptr_factory_;
 111
 112   DISALLOW_COPY_AND_ASSIGN(SupervisedUserImportHandler);
 113 };
 114
 115 }  // namespace options
 116
 117 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_SUPERVISED_USER_IMPORT_HANDLER_H_