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/gtest_prod_util.h"
  10 #include "base/memory/ref_counted.h"
  11 #include "base/strings/string16.h"
  12 #include "base/timer/timer.h"
  13 #include "chrome/browser/chromeos/login/screens/base_screen.h"
  14 #include "chrome/browser/chromeos/login/screens/network_screen_actor.h"
  15 #include "chromeos/network/network_state_handler_observer.h"
  16
  17 namespace chromeos {
  18
  19 class ScreenManager;
  20
  21 namespace login {
  22 class NetworkStateHelper;
  23 }  // namespace login
  24
  25 class NetworkScreen : public BaseScreen,
  26                       public NetworkStateHandlerObserver,
  27                       public NetworkScreenActor::Delegate {
  28  public:
  29   NetworkScreen(BaseScreenDelegate* base_screen_delegate,
  30                 NetworkScreenActor* actor);
  31   virtual ~NetworkScreen();
  32
  33   static NetworkScreen* Get(ScreenManager* manager);
  34
  35   // BaseScreen implementation:
  36   virtual void PrepareToShow() override;
  37   virtual void Show() override;
  38   virtual void Hide() override;
  39   virtual std::string GetName() const override;
  40
  41   // NetworkStateHandlerObserver implementation:
  42   virtual void NetworkConnectionStateChanged(
  43       const NetworkState* network) override;
  44   virtual void DefaultNetworkChanged(const NetworkState* network) override;
  45
  46   // NetworkScreenActor::Delegate implementation:
  47   virtual void OnActorDestroyed(NetworkScreenActor* actor) override;
  48   virtual void OnContinuePressed() override;
  49
  50   NetworkScreenActor* actor() const { return actor_; }
  51
  52  protected:
  53   // Subscribes NetworkScreen to the network change notification,
  54   // forces refresh of current network state.
  55   virtual void Refresh();
  56
  57  private:
  58   friend class NetworkScreenTest;
  59   FRIEND_TEST_ALL_PREFIXES(NetworkScreenTest, Timeout);
  60   FRIEND_TEST_ALL_PREFIXES(NetworkScreenTest, CanConnect);
  61
  62   // Sets the NetworkStateHelper for use in tests. This
  63   // class will take ownership of the pointed object.
  64   void SetNetworkStateHelperForTest(login::NetworkStateHelper* helper);
  65
  66   // Subscribes to network change notifications.
  67   void SubscribeNetworkNotification();
  68
  69   // Unsubscribes from network change notifications.
  70   void UnsubscribeNetworkNotification();
  71
  72   // Notifies wizard on successful connection.
  73   void NotifyOnConnection();
  74
  75   // Called by |connection_timer_| when connection to the network timed out.
  76   void OnConnectionTimeout();
  77
  78   // Update UI based on current network status.
  79   void UpdateStatus();
  80
  81   // Stops waiting for network to connect.
  82   void StopWaitingForConnection(const base::string16& network_id);
  83
  84   // Starts waiting for network connection. Shows spinner.
  85   void WaitForConnection(const base::string16& network_id);
  86
  87   // True if subscribed to network change notification.
  88   bool is_network_subscribed_;
  89
  90   // ID of the the network that we are waiting for.
  91   base::string16 network_id_;
  92
  93   // True if user pressed continue button so we should proceed with OOBE
  94   // as soon as we are connected.
  95   bool continue_pressed_;
  96
  97   // Timer for connection timeout.
  98   base::OneShotTimer<NetworkScreen> connection_timer_;
  99
 100   NetworkScreenActor* actor_;
 101   scoped_ptr<login::NetworkStateHelper> network_state_helper_;
 102
 103   DISALLOW_COPY_AND_ASSIGN(NetworkScreen);
 104 };
 105
 106 }  // namespace chromeos
 107
 108 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_NETWORK_SCREEN_H_