[Provider Model] Add Wi-Fi toggle

- Network & internet Settings
  - Remove “Show airplane mode networks"

- Internet Settings
  - Add “Wi-Fi” switch preference
    - Show “Find and connect to Wi-Fi networks” in summary

- Screenshot:
  https://screenshot.googleplex.com/AnoXf4qDe2jPirP

Bug: 181858434
Test: manual test
atest -c NetworkDashboardFragmentTest \
         WifiSwitchPreferenceControllerTest
make RunSettingsRoboTests ROBOTEST_FILTER=NetworkProviderSettingsTest

Change-Id: Ic420ff40cfdfb3ae29ee6f754ce139cb54651bda

src/com/android/settings/network/NetworkDashboardFragment.java

@@ -146,7 +146,6 @@ public class NetworkDashboardFragment extends DashboardFragment implements
         controllers.add(privateDnsPreferenceController);
         if (Utils.isProviderModelEnabled(context)) {
             controllers.add(new NetworkProviderCallsSmsController(context, lifecycle));
-            controllers.add(new AirplaneSafeNetworksPreferenceController(context, lifecycle));
         }
         return controllers;
     }

src/com/android/settings/network/NetworkProviderSettings.java

@@ -196,6 +196,7 @@ public class NetworkProviderSettings extends RestrictedSettingsFragment
     private PreferenceCategory mWifiEntryPreferenceCategory;
     @VisibleForTesting
     AddWifiNetworkPreference mAddWifiNetworkPreference;
+    private WifiSwitchPreferenceController mWifiSwitchPreferenceController;
     @VisibleForTesting
     Preference mConfigureWifiSettingsPreference;
     @VisibleForTesting
@@ -270,6 +271,7 @@ public class NetworkProviderSettings extends RestrictedSettingsFragment
         addNetworkMobileProviderController();
         addViewAirplaneModeNetworksButtonController();
         addConnectedEthernetNetworkController();
+        addWifiSwitchPreferenceController();
     }
 
     private void addNetworkMobileProviderController() {
@@ -298,6 +300,14 @@ public class NetworkProviderSettings extends RestrictedSettingsFragment
         mConnectedEthernetNetworkController.displayPreference(getPreferenceScreen());
     }
 
+    private void addWifiSwitchPreferenceController() {
+        if (mWifiSwitchPreferenceController == null) {
+            mWifiSwitchPreferenceController =
+                    new WifiSwitchPreferenceController(getContext(), getSettingsLifecycle());
+        }
+        mWifiSwitchPreferenceController.displayPreference(getPreferenceScreen());
+    }
+
     @Override
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);

src/com/android/settings/network/WifiSwitchPreferenceController.java

@@ -23,41 +23,41 @@ import androidx.lifecycle.LifecycleObserver;
 import androidx.lifecycle.OnLifecycleEvent;
 import androidx.preference.PreferenceScreen;
 
-import com.android.settings.AirplaneModeEnabler;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.widget.GenericSwitchController;
 import com.android.settings.wifi.WifiEnabler;
 import com.android.settingslib.RestrictedSwitchPreference;
 import com.android.settingslib.core.AbstractPreferenceController;
 
-public class AirplaneSafeNetworksPreferenceController extends AbstractPreferenceController
-        implements LifecycleObserver, AirplaneModeEnabler.OnAirplaneModeChangedListener {
+/**
+ * This controller helps to manage the state of wifi switch preference.
+ */
+public class WifiSwitchPreferenceController extends AbstractPreferenceController implements
+        LifecycleObserver {
 
-    private static final String PREFERENCE_KEY = "airplane_safe_networks";
+    public static final String KEY = "wifi_switch";
 
     private RestrictedSwitchPreference mPreference;
 
-    private AirplaneModeEnabler mAirplaneModeEnabler;
     private WifiEnabler mWifiEnabler;
 
-    public AirplaneSafeNetworksPreferenceController(Context context, Lifecycle lifecycle) {
+    public WifiSwitchPreferenceController(Context context, Lifecycle lifecycle) {
         super(context);
         if (lifecycle == null) {
             throw new IllegalArgumentException("Lifecycle must be set");
         }
 
-        mAirplaneModeEnabler = new AirplaneModeEnabler(mContext, this);
         lifecycle.addObserver(this);
     }
 
     @Override
     public String getPreferenceKey() {
-        return PREFERENCE_KEY;
+        return KEY;
     }
 
     @Override
     public boolean isAvailable() {
-        return mAirplaneModeEnabler.isAirplaneModeOn();
+        return true;
     }
 
     @Override
@@ -66,23 +66,24 @@ public class AirplaneSafeNetworksPreferenceController extends AbstractPreference
         mPreference = screen.findPreference(getPreferenceKey());
     }
 
+    /** Lifecycle.Event.ON_START */
     @OnLifecycleEvent(Lifecycle.Event.ON_START)
     public void onStart() {
-        mAirplaneModeEnabler.start();
         if (mPreference != null) {
             mWifiEnabler = new WifiEnabler(mContext, new GenericSwitchController(mPreference),
                     FeatureFactory.getFactory(mContext).getMetricsFeatureProvider());
         }
     }
 
+    /** Lifecycle.Event.ON_STOP */
     @OnLifecycleEvent(Lifecycle.Event.ON_STOP)
     public void onStop() {
-        mAirplaneModeEnabler.stop();
         if (mWifiEnabler != null) {
             mWifiEnabler.teardownSwitchController();
         }
     }
 
+    /** Lifecycle.Event.ON_RESUME */
     @OnLifecycleEvent(Lifecycle.Event.ON_RESUME)
     public void onResume() {
         if (mWifiEnabler != null) {
@@ -90,17 +91,11 @@ public class AirplaneSafeNetworksPreferenceController extends AbstractPreference
         }
     }
 
+    /** Lifecycle.Event.ON_PAUSE */
     @OnLifecycleEvent(Lifecycle.Event.ON_PAUSE)
     public void onPause() {
         if (mWifiEnabler != null) {
             mWifiEnabler.pause();
         }
     }
-
-    @Override
-    public void onAirplaneModeChanged(boolean isAirplaneModeOn) {
-        if (mPreference != null) {
-            mPreference.setVisible(isAirplaneModeOn);
-        }
-    }
 }