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      1 // Copyright (c) 2011 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_DROPDOWN_HANDLER_H_
      6 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_NETWORK_DROPDOWN_HANDLER_H_
      7 
      8 #include <string>
      9 
     10 #include "base/memory/scoped_ptr.h"
     11 #include "base/observer_list.h"
     12 #include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
     13 #include "chrome/browser/ui/webui/chromeos/login/network_dropdown.h"
     14 
     15 namespace chromeos {
     16 
     17 class NetworkDropdownHandler : public BaseScreenHandler,
     18                                public NetworkDropdown::Actor {
     19  public:
     20   class Observer {
     21    public:
     22     virtual ~Observer() {}
     23     virtual void OnConnectToNetworkRequested() = 0;
     24   };
     25 
     26   NetworkDropdownHandler();
     27   virtual ~NetworkDropdownHandler();
     28 
     29   void AddObserver(Observer* observer);
     30   void RemoveObserver(Observer* observer);
     31 
     32   // BaseScreenHandler implementation:
     33   virtual void DeclareLocalizedValues(LocalizedValuesBuilder* builder) OVERRIDE;
     34   virtual void Initialize() OVERRIDE;
     35 
     36   // WebUIMessageHandler implementation:
     37   virtual void RegisterMessages() OVERRIDE;
     38 
     39  private:
     40   // NetworkDropdown::Actor implementation:
     41   virtual void OnConnectToNetworkRequested() OVERRIDE;
     42 
     43   // Handles choosing of the network menu item.
     44   void HandleNetworkItemChosen(double id);
     45   // Handles network drop-down showing.
     46   void HandleNetworkDropdownShow(const std::string& element_id,
     47                                  bool oobe);
     48   // Handles network drop-down hiding.
     49   void HandleNetworkDropdownHide();
     50   // Handles network drop-down refresh.
     51   void HandleNetworkDropdownRefresh();
     52 
     53   scoped_ptr<NetworkDropdown> dropdown_;
     54 
     55   ObserverList<Observer> observers_;
     56 
     57   DISALLOW_COPY_AND_ASSIGN(NetworkDropdownHandler);
     58 };
     59 
     60 }  // namespace chromeos
     61 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_NETWORK_DROPDOWN_HANDLER_H_
     62