chrome/browser/ui/webui/chromeos/login/network_screen_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_CHROMEOS_LOGIN_NETWORK_SCREEN_HANDLER_H_
   6 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_NETWORK_SCREEN_HANDLER_H_
   7
   8 #include <string>
   9
  10 #include "base/compiler_specific.h"
  11 #include "chrome/browser/chromeos/login/screens/network_screen_actor.h"
  12 #include "chrome/browser/chromeos/settings/cros_settings.h"
  13 #include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
  14 #include "ui/gfx/point.h"
  15
  16 namespace chromeos {
  17
  18 class CoreOobeActor;
  19
  20 struct NetworkScreenHandlerOnLanguageChangedCallbackData;
  21
  22 // WebUI implementation of NetworkScreenActor. It is used to interact with
  23 // the welcome screen (part of the page) of the OOBE.
  24 class NetworkScreenHandler : public NetworkScreenActor,
  25                              public BaseScreenHandler {
  26  public:
  27   explicit NetworkScreenHandler(CoreOobeActor* core_oobe_actor);
  28   virtual ~NetworkScreenHandler();
  29
  30   // NetworkScreenActor implementation:
  31   virtual void SetDelegate(NetworkScreenActor::Delegate* screen) OVERRIDE;
  32   virtual void PrepareToShow() OVERRIDE;
  33   virtual void Show() OVERRIDE;
  34   virtual void Hide() OVERRIDE;
  35   virtual void ShowError(const base::string16& message) OVERRIDE;
  36   virtual void ClearErrors() OVERRIDE;
  37   virtual void ShowConnectingStatus(bool connecting,
  38                                     const base::string16& network_id) OVERRIDE;
  39   virtual void EnableContinue(bool enabled) OVERRIDE;
  40
  41   // BaseScreenHandler implementation:
  42   virtual void DeclareLocalizedValues(LocalizedValuesBuilder* builder) OVERRIDE;
  43   virtual void GetAdditionalParameters(base::DictionaryValue* dict) OVERRIDE;
  44   virtual void Initialize() OVERRIDE;
  45
  46   // WebUIMessageHandler implementation:
  47   virtual void RegisterMessages() OVERRIDE;
  48
  49  private:
  50   // Handles moving off the screen.
  51   void HandleOnExit();
  52
  53   // Handles change of the language.
  54   void HandleOnLanguageChanged(const std::string& locale);
  55
  56   // Async callback after ReloadResourceBundle(locale) completed.
  57   static void OnLanguageChangedCallback(
  58       scoped_ptr<NetworkScreenHandlerOnLanguageChangedCallbackData> context,
  59       const std::string& requested_locale,
  60       const std::string& loaded_locale,
  61       const bool success);
  62
  63   // Handles change of the input method.
  64   void HandleOnInputMethodChanged(const std::string& id);
  65
  66   // Handles change of the time zone
  67   void HandleOnTimezoneChanged(const std::string& timezone);
  68
  69   // Callback when the system timezone settings is changed.
  70   void OnSystemTimezoneChanged();
  71
  72   // Returns available languages. Caller gets the ownership. Note, it does
  73   // depend on the current locale.
  74   static base::ListValue* GetLanguageList();
  75
  76   // Returns available input methods. Caller gets the ownership. Note, it does
  77   // depend on the current locale.
  78   static base::ListValue* GetInputMethods();
  79
  80   // Returns available timezones. Caller gets the ownership.
  81   static base::ListValue* GetTimezoneList();
  82
  83   NetworkScreenActor::Delegate* screen_;
  84   CoreOobeActor* core_oobe_actor_;
  85
  86   bool is_continue_enabled_;
  87
  88   // Keeps whether screen should be shown right after initialization.
  89   bool show_on_init_;
  90
  91   // Position of the network control.
  92   gfx::Point network_control_pos_;
  93
  94   scoped_ptr<CrosSettings::ObserverSubscription> timezone_subscription_;
  95
  96   base::WeakPtrFactory<NetworkScreenHandler> weak_ptr_factory_;
  97
  98   DISALLOW_COPY_AND_ASSIGN(NetworkScreenHandler);
  99 };
 100
 101 }  // namespace chromeos
 102
 103 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_NETWORK_SCREEN_HANDLER_H_