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