chrome/browser/chromeos/login/screens/chrome_user_selection_screen.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_CHROMEOS_LOGIN_SCREENS_CHROME_USER_SELECTION_SCREEN_H_
   6 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_CHROME_USER_SELECTION_SCREEN_H_
   7
   8 #include <map>
   9 #include <string>
  10 #include <vector>
  11
  12 #include "base/compiler_specific.h"
  13 #include "base/macros.h"
  14 #include "base/memory/weak_ptr.h"
  15 #include "chrome/browser/chromeos/login/screens/user_selection_screen.h"
  16 #include "chrome/browser/chromeos/policy/device_local_account_policy_service.h"
  17
  18 namespace chromeos {
  19
  20 class ChromeUserSelectionScreen
  21     : public UserSelectionScreen,
  22       public policy::DeviceLocalAccountPolicyService::Observer {
  23  public:
  24   explicit ChromeUserSelectionScreen(const std::string& display_type);
  25   ~ChromeUserSelectionScreen() override;
  26
  27   // UserSelectionScreen:
  28   void Init(const user_manager::UserList& users, bool show_guest) override;
  29   void SendUserList() override;
  30
  31   // policy::DeviceLocalAccountPolicyService::Observer:
  32   void OnPolicyUpdated(const std::string& user_id) override;
  33   void OnDeviceLocalAccountsChanged() override;
  34
  35  private:
  36   // Check whether the display name set by policy for a public session has
  37   // changed and if so, notify the UI.
  38   void CheckForPublicSessionDisplayNameChange(
  39       policy::DeviceLocalAccountPolicyBroker* broker);
  40
  41   // Check whether the list of recommended locales set by policy for a public
  42   // session has changed and if so, notify the UI.
  43   void CheckForPublicSessionLocalePolicyChange(
  44       policy::DeviceLocalAccountPolicyBroker* broker);
  45
  46   // Notify the UI that the display name for a public session has changed,
  47   // taking the display name from the |User| owned by |UserManager|.
  48   void SetPublicSessionDisplayName(const std::string& user_id);
  49
  50   // Send an updated list of locales for a public session to the UI, consisting
  51   // of the |recommended_locales| followed by all other available locales.
  52   void SetPublicSessionLocales(
  53       const std::string& user_id,
  54       const std::vector<std::string>& recommended_locales);
  55
  56   bool handler_initialized_;
  57
  58   policy::DeviceLocalAccountPolicyService* device_local_account_policy_service_;
  59
  60   // Map from public session user IDs to their display names set by policy.
  61   typedef std::map<std::string, std::string> DisplayNamesMap;
  62   DisplayNamesMap public_session_display_names_;
  63
  64   base::WeakPtrFactory<ChromeUserSelectionScreen> weak_factory_;
  65
  66   DISALLOW_COPY_AND_ASSIGN(ChromeUserSelectionScreen);
  67 };
  68
  69 }  // namespace chromeos
  70
  71 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_CHROME_USER_SELECTION_SCREEN_H_