Bug 1718512 - Remove unused BundleEventListener from GeckoNetworkManager. r=geckoview-reviewers,aklotz

By bug 1697680, Gecko removes Presentation API. `Wifi:GetIPAddress` was only used on this API implementation.
So now, this is unused.

Differential Revision: https://phabricator.services.mozilla.com/D118911

mobile/android/geckoview/src/main/java/org/mozilla/gecko/GeckoNetworkManager.java

@@ -6,9 +6,6 @@
 package org.mozilla.gecko;
 
 import org.mozilla.gecko.annotation.WrapForJNI;
-import org.mozilla.gecko.util.BundleEventListener;
-import org.mozilla.gecko.util.EventCallback;
-import org.mozilla.gecko.util.GeckoBundle;
 import org.mozilla.gecko.util.NetworkUtils;
 import org.mozilla.gecko.util.NetworkUtils.ConnectionSubType;
 import org.mozilla.gecko.util.NetworkUtils.ConnectionType;
@@ -21,11 +18,9 @@ import android.content.Intent;
 import android.content.IntentFilter;
 import android.net.ConnectivityManager;
 import android.net.DhcpInfo;
-import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import android.text.format.Formatter;
 import android.util.Log;
 
 /**
@@ -41,7 +36,7 @@ import android.util.Log;
  * Logic is implemented as a state machine, so see the transition matrix to figure out what happens when.
  * This class depends on access to the context, so only use after GeckoAppShell has been initialized.
  */
-public class GeckoNetworkManager extends BroadcastReceiver implements BundleEventListener {
+public class GeckoNetworkManager extends BroadcastReceiver {
     private static final String LOGTAG = "GeckoNetworkManager";
 
     // If network configuration and/or status changed, we send details of what changed.
@@ -85,20 +80,11 @@ public class GeckoNetworkManager extends BroadcastReceiver implements BundleEven
     private NetworkStatus mCurrentNetworkStatus = NetworkStatus.UNKNOWN;
     private NetworkStatus mPreviousNetworkStatus = NetworkStatus.UNKNOWN;
 
-    private enum InfoType {
-        MCC,
-        MNC
-    }
-
     private GeckoNetworkManager() {
-        EventDispatcher.getInstance().registerUiThreadListener(this,
-                "Wifi:GetIPAddress");
     }
 
     private void onDestroy() {
         handleManagerEvent(ManagerEvent.stop);
-        EventDispatcher.getInstance().unregisterUiThreadListener(this,
-                "Wifi:GetIPAddress");
     }
 
     public static GeckoNetworkManager getInstance() {
@@ -406,42 +392,4 @@ public class GeckoNetworkManager extends BroadcastReceiver implements BundleEven
             return 0;
         }
     }
-
-    @SuppressLint("MissingPermission")
-    @Override // BundleEventListener
-    /**
-     * Handles native messages, not part of the state machine flow.
-     */
-    public void handleMessage(final String event, final GeckoBundle message,
-                              final EventCallback callback) {
-        final Context applicationContext = GeckoAppShell.getApplicationContext();
-        switch (event) {
-            case "Wifi:GetIPAddress":
-                getWifiIPAddress(callback);
-                break;
-        }
-    }
-
-    // This function only works for IPv4; not part of the state machine flow.
-    private void getWifiIPAddress(final EventCallback callback) {
-        final WifiManager mgr = (WifiManager) GeckoAppShell.getApplicationContext().getSystemService(Context.WIFI_SERVICE);
-
-        if (mgr == null) {
-            callback.sendError("Cannot get WifiManager");
-            return;
-        }
-
-        @SuppressLint("MissingPermission") final WifiInfo info = mgr.getConnectionInfo();
-        if (info == null) {
-            callback.sendError("Cannot get connection info");
-            return;
-        }
-
-        final int ip = info.getIpAddress();
-        if (ip == 0) {
-            callback.sendError("Cannot get IPv4 address");
-            return;
-        }
-        callback.sendSuccess(Formatter.formatIpAddress(ip));
-    }
 }