Issue 4948 - add possibility to not send data depending on connection properties

libadblockplus-android-settings/src/org/adblockplus/libadblockplus/android/settings/ConnectionType.java

+/*
+ * This file is part of Adblock Plus <https://adblockplus.org/>,
+ * Copyright (C) 2006-2016 Eyeo GmbH
+ *
+ * Adblock Plus is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * Adblock Plus is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.adblockplus.libadblockplus.android.settings;
+
+import android.net.ConnectivityManager;
+
+public enum ConnectionType {
+
+  // All WiFi networks
+  WIFI(
+    "wifi",
+    new ConnectionChecker()
+    {
+      @Override
+      public boolean isRequiredConnection(ConnectivityManager manager)
+      {
+        return manager.getActiveNetworkInfo().getType() == ConnectivityManager.TYPE_WIFI;
+      }
+    }),
+
+  // Non-metered WiFi networks
+  WIFI_NON_METERED(
+    "wifi_non_metered",
+    new ConnectionChecker()
+    {
+      @Override
+      public boolean isRequiredConnection(ConnectivityManager manager)
+      {
+        return
+          manager.getActiveNetworkInfo().getType() == ConnectivityManager.TYPE_WIFI &&
+          !manager.isActiveNetworkMetered();
+    }
+  }),
+
+  // Any connection
+  ANY(
+    "any",
+    new ConnectionChecker()
+    {
+      @Override
+      public boolean isRequiredConnection(ConnectivityManager manager)
+      {
+        return true;
+      }
+    });
+
+  private String value;
+  private ConnectionChecker checker;
+
+  public String getValue()
+  {
+    return value;
+  }
+
+  public ConnectionChecker getChecker()
+  {
+    return checker;
+  }
+
+  ConnectionType(String value, ConnectionChecker checker)
+  {
+    this.value = value;
+    this.checker = checker;
+  }
+
+  interface ConnectionChecker
+  {
+    boolean isRequiredConnection(ConnectivityManager manager);
+  }
+
+  public static ConnectionType findByValue(String value)
+  {
+    if (value == null)
+    {
+      return null;
+    }
+
+    for (ConnectionType eachConnectionType : ConnectionType.values())
+    {
+      if (eachConnectionType.getValue().equals(value))
+      {
+        return eachConnectionType;
+      }
+    }
+
+    // not found
+    return null;
+  }
+}