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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_NETWORK_SCREEN_H_
#define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_NETWORK_SCREEN_H_
#include <memory>
#include <string>
#include "base/gtest_prod_util.h"
#include "base/macros.h"
#include "base/strings/string16.h"
#include "base/timer/timer.h"
#include "chrome/browser/chromeos/login/screens/base_screen.h"
#include "chromeos/network/network_state_handler_observer.h"
namespace chromeos {
class NetworkScreenView;
class ScreenManager;
namespace login {
class NetworkStateHelper;
} // namespace login
// Controls network selection screen shown during OOBE.
class NetworkScreen : public BaseScreen, public NetworkStateHandlerObserver {
public:
NetworkScreen(BaseScreenDelegate* base_screen_delegate,
NetworkScreenView* view);
~NetworkScreen() override;
// Returns instance of NetworkScreen.
static NetworkScreen* Get(ScreenManager* manager);
// Called when |view| has been destroyed. If this instance is destroyed before
// the |view| it should call view->Unbind().
void OnViewDestroyed(NetworkScreenView* view);
private:
friend class NetworkScreenTest;
friend class NetworkScreenUnitTest;
friend class DemoSetupTest;
FRIEND_TEST_ALL_PREFIXES(NetworkScreenTest, CanConnect);
FRIEND_TEST_ALL_PREFIXES(NetworkScreenTest, Timeout);
FRIEND_TEST_ALL_PREFIXES(NetworkScreenUnitTest, ContinuesAutomatically);
FRIEND_TEST_ALL_PREFIXES(NetworkScreenUnitTest, ContinuesOnlyOnce);
// BaseScreen:
void Show() override;
void Hide() override;
void OnUserAction(const std::string& action_id) override;
// NetworkStateHandlerObserver:
void NetworkConnectionStateChanged(const NetworkState* network) override;
void DefaultNetworkChanged(const NetworkState* network) override;
// Subscribes NetworkScreen to the network change notification, forces refresh
// of current network state.
void Refresh();
// Sets the NetworkStateHelper for use in tests. This class will take
// ownership of the pointed object.
void SetNetworkStateHelperForTest(login::NetworkStateHelper* helper);
// Subscribes to network change notifications.
void SubscribeNetworkNotification();
// Unsubscribes from network change notifications.
void UnsubscribeNetworkNotification();
// Notifies wizard on successful connection.
void NotifyOnConnection();
// Called by |connection_timer_| when connection to the network timed out.
void OnConnectionTimeout();
// Updates UI based on current network status.
void UpdateStatus();
// Stops waiting for network to connect.
void StopWaitingForConnection(const base::string16& network_id);
// Starts waiting for network connection. Shows spinner.
void WaitForConnection(const base::string16& network_id);
// Called when back button is clicked.
void OnBackButtonClicked();
// Called when continue button is clicked.
void OnContinueButtonClicked();
// Called when offline demo mode setup was selected.
void OnOfflineDemoModeSetupSelected();
// True if subscribed to network change notification.
bool is_network_subscribed_ = false;
// ID of the network that we are waiting for.
base::string16 network_id_;
// Keeps track of the number of times OnContinueButtonClicked was called.
// OnContinueButtonClicked is called either in response to the user pressing
// the continue button, or automatically during hands-off enrollment after a
// network connection is established.
int continue_attempts_ = 0;
// True if the user pressed the continue button in the UI.
// Indicates that we should proceed with OOBE as soon as we are connected.
bool continue_pressed_ = false;
// Timer for connection timeout.
base::OneShotTimer connection_timer_;
NetworkScreenView* view_ = nullptr;
std::unique_ptr<login::NetworkStateHelper> network_state_helper_;
DISALLOW_COPY_AND_ASSIGN(NetworkScreen);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_NETWORK_SCREEN_H_