1 files changed, 168 insertions, 0 deletions
diff --git a/mobile/android/geckoview/src/main/java/org/mozilla/gecko/util/NetworkUtils.java b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/util/NetworkUtils.java
new file mode 100644
index 0000000000..b8f15c04e3
--- /dev/null
+++ b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/util/NetworkUtils.java
@@ -0,0 +1,168 @@
+/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.gecko.util;
+
+import android.net.ConnectivityManager;
+import android.net.NetworkInfo;
+import android.telephony.TelephonyManager;
+
+public class NetworkUtils {
+  /*
+   * Keep the below constants in sync with
+   * http://searchfox.org/mozilla-central/source/netwerk/base/nsINetworkLinkService.idl
+   */
+  public enum ConnectionSubType {
+    CELL_2G("2g"),
+    CELL_3G("3g"),
+    CELL_4G("4g"),
+    ETHERNET("ethernet"),
+    WIFI("wifi"),
+    WIMAX("wimax"),
+    UNKNOWN("unknown");
+
+    public final String value;
+
+    ConnectionSubType(final String value) {
+      this.value = value;
+    }
+  }
+
+  /*
+   * Keep the below constants in sync with
+   * http://searchfox.org/mozilla-central/source/netwerk/base/nsINetworkLinkService.idl
+   */
+  public enum NetworkStatus {
+    UP("up"),
+    DOWN("down"),
+    UNKNOWN("unknown");
+
+    public final String value;
+
+    NetworkStatus(final String value) {
+      this.value = value;
+    }
+  }
+
+  // Connection Type defined in Network Information API v3.
+  // See Bug 1270401 - current W3C Spec (Editor's Draft) is different, it also contains wimax,
+  // mixed, unknown.
+  // W3C spec: http://w3c.github.io/netinfo/#the-connectiontype-enum
+  public enum ConnectionType {
+    CELLULAR(0),
+    BLUETOOTH(1),
+    ETHERNET(2),
+    WIFI(3),
+    OTHER(4),
+    NONE(5);
+
+    public final int value;
+
+    ConnectionType(final int value) {
+      this.value = value;
+    }
+  }
+
+  public static boolean isConnected(final ConnectivityManager connectivityManager) {
+    if (connectivityManager == null) {
+      return false;
+    }
+
+    final NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
+    return networkInfo != null && networkInfo.isConnected();
+  }
+
+  /** For mobile connections, maps particular connection subtype to a general 2G, 3G, 4G bucket. */
+  public static ConnectionSubType getConnectionSubType(
+      final ConnectivityManager connectivityManager) {
+    if (connectivityManager == null) {
+      return ConnectionSubType.UNKNOWN;
+    }
+
+    final NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
+
+    if (networkInfo == null) {
+      return ConnectionSubType.UNKNOWN;
+    }
+
+    switch (networkInfo.getType()) {
+      case ConnectivityManager.TYPE_ETHERNET:
+        return ConnectionSubType.ETHERNET;
+      case ConnectivityManager.TYPE_MOBILE:
+        return getGenericMobileSubtype(networkInfo.getSubtype());
+      case ConnectivityManager.TYPE_WIMAX:
+        return ConnectionSubType.WIMAX;
+      case ConnectivityManager.TYPE_WIFI:
+        return ConnectionSubType.WIFI;
+      default:
+        return ConnectionSubType.UNKNOWN;
+    }
+  }
+
+  public static ConnectionType getConnectionType(final ConnectivityManager connectivityManager) {
+    if (connectivityManager == null) {
+      return ConnectionType.NONE;
+    }
+
+    final NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
+    if (networkInfo == null) {
+      return ConnectionType.NONE;
+    }
+
+    switch (networkInfo.getType()) {
+      case ConnectivityManager.TYPE_BLUETOOTH:
+        return ConnectionType.BLUETOOTH;
+      case ConnectivityManager.TYPE_ETHERNET:
+        return ConnectionType.ETHERNET;
+        // Fallthrough, MOBILE and WIMAX both map to CELLULAR.
+      case ConnectivityManager.TYPE_MOBILE:
+      case ConnectivityManager.TYPE_WIMAX:
+        return ConnectionType.CELLULAR;
+      case ConnectivityManager.TYPE_WIFI:
+        return ConnectionType.WIFI;
+      default:
+        return ConnectionType.OTHER;
+    }
+  }
+
+  public static NetworkStatus getNetworkStatus(final ConnectivityManager connectivityManager) {
+    if (connectivityManager == null) {
+      return NetworkStatus.UNKNOWN;
+    }
+
+    if (isConnected(connectivityManager)) {
+      return NetworkStatus.UP;
+    }
+    return NetworkStatus.DOWN;
+  }
+
+  private static ConnectionSubType getGenericMobileSubtype(final int subtype) {
+    switch (subtype) {
+        // 2G types: fallthrough 5x
+      case TelephonyManager.NETWORK_TYPE_GPRS:
+      case TelephonyManager.NETWORK_TYPE_EDGE:
+      case TelephonyManager.NETWORK_TYPE_CDMA:
+      case TelephonyManager.NETWORK_TYPE_1xRTT:
+      case TelephonyManager.NETWORK_TYPE_IDEN:
+        return ConnectionSubType.CELL_2G;
+        // 3G types: fallthrough 9x
+      case TelephonyManager.NETWORK_TYPE_UMTS:
+      case TelephonyManager.NETWORK_TYPE_EVDO_0:
+      case TelephonyManager.NETWORK_TYPE_EVDO_A:
+      case TelephonyManager.NETWORK_TYPE_HSDPA:
+      case TelephonyManager.NETWORK_TYPE_HSUPA:
+      case TelephonyManager.NETWORK_TYPE_HSPA:
+      case TelephonyManager.NETWORK_TYPE_EVDO_B:
+      case TelephonyManager.NETWORK_TYPE_EHRPD:
+      case TelephonyManager.NETWORK_TYPE_HSPAP:
+        return ConnectionSubType.CELL_3G;
+        // 4G - just one type!
+      case TelephonyManager.NETWORK_TYPE_LTE:
+        return ConnectionSubType.CELL_4G;
+      default:
+        return ConnectionSubType.UNKNOWN;
+    }
+  }
+}