src/chrome/browser/chromeos/login/screens/network_screen.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_CHROMEOS_LOGIN_SCREENS_NETWORK_SCREEN_H_
   6 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_NETWORK_SCREEN_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/strings/string16.h"
  11 #include "base/timer/timer.h"
  12 #include "chrome/browser/chromeos/login/screens/network_screen_actor.h"
  13 #include "chrome/browser/chromeos/login/screens/wizard_screen.h"
  14 #include "chromeos/network/network_state_handler_observer.h"
  15
  16 namespace chromeos {
  17
  18 class ScreenManager;
  19
  20 namespace login {
  21 class NetworkStateHelper;
  22 }  // namespace login
  23
  24 class NetworkScreen : public WizardScreen,
  25                       public NetworkStateHandlerObserver,
  26                       public NetworkScreenActor::Delegate {
  27  public:
  28   NetworkScreen(ScreenObserver* screen_observer, NetworkScreenActor* actor);
  29   virtual ~NetworkScreen();
  30
  31   static NetworkScreen* Get(ScreenManager* manager);
  32
  33   // WizardScreen implementation:
  34   virtual void PrepareToShow() OVERRIDE;
  35   virtual void Show() OVERRIDE;
  36   virtual void Hide() OVERRIDE;
  37   virtual std::string GetName() const OVERRIDE;
  38
  39   // NetworkStateHandlerObserver implementation:
  40   virtual void NetworkConnectionStateChanged(
  41       const NetworkState* network) OVERRIDE;
  42   virtual void DefaultNetworkChanged(const NetworkState* network) OVERRIDE;
  43
  44   // NetworkScreenActor::Delegate implementation:
  45   virtual void OnActorDestroyed(NetworkScreenActor* actor) OVERRIDE;
  46   virtual void OnContinuePressed() OVERRIDE;
  47
  48   NetworkScreenActor* actor() const { return actor_; }
  49
  50  protected:
  51   // Subscribes NetworkScreen to the network change notification,
  52   // forces refresh of current network state.
  53   virtual void Refresh();
  54
  55  private:
  56   friend class NetworkScreenTest;
  57   FRIEND_TEST_ALL_PREFIXES(NetworkScreenTest, Timeout);
  58   FRIEND_TEST_ALL_PREFIXES(NetworkScreenTest, CanConnect);
  59
  60   // Sets the NetworkStateHelper for use in tests. This
  61   // class will take ownership of the pointed object.
  62   void SetNetworkStateHelperForTest(login::NetworkStateHelper* helper);
  63
  64   // Subscribes to network change notifications.
  65   void SubscribeNetworkNotification();
  66
  67   // Unsubscribes from network change notifications.
  68   void UnsubscribeNetworkNotification();
  69
  70   // Notifies wizard on successful connection.
  71   void NotifyOnConnection();
  72
  73   // Called by |connection_timer_| when connection to the network timed out.
  74   void OnConnectionTimeout();
  75
  76   // Update UI based on current network status.
  77   void UpdateStatus();
  78
  79   // Stops waiting for network to connect.
  80   void StopWaitingForConnection(const base::string16& network_id);
  81
  82   // Starts waiting for network connection. Shows spinner.
  83   void WaitForConnection(const base::string16& network_id);
  84
  85   // True if subscribed to network change notification.
  86   bool is_network_subscribed_;
  87
  88   // ID of the the network that we are waiting for.
  89   base::string16 network_id_;
  90
  91   // True if user pressed continue button so we should proceed with OOBE
  92   // as soon as we are connected.
  93   bool continue_pressed_;
  94
  95   // Timer for connection timeout.
  96   base::OneShotTimer<NetworkScreen> connection_timer_;
  97
  98   NetworkScreenActor* actor_;
  99   scoped_ptr<login::NetworkStateHelper> network_state_helper_;
 100
 101   DISALLOW_COPY_AND_ASSIGN(NetworkScreen);
 102 };
 103
 104 }  // namespace chromeos
 105
 106 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_NETWORK_SCREEN_H_