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package com.mapswithme.util;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import android.telephony.TelephonyManager;
import com.mapswithme.maps.MwmApplication;
import static com.mapswithme.util.ConnectionState.Type.NONE;
public class ConnectionState
{
// values should correspond to ones from enum class EConnectionType (in platform/platform.hpp)
private static final byte CONNECTION_NONE = 0;
private static final byte CONNECTION_WIFI = 1;
private static final byte CONNECTION_WWAN = 2;
public enum Type
{
NONE(CONNECTION_NONE, -1),
WIFI(CONNECTION_WIFI, ConnectivityManager.TYPE_WIFI),
WWAN(CONNECTION_WWAN, ConnectivityManager.TYPE_MOBILE);
private final byte mNativeRepresentation;
private final int mPlatformRepresentation;
Type(byte nativeRepresentation, int platformRepresentation)
{
mNativeRepresentation = nativeRepresentation;
mPlatformRepresentation = platformRepresentation;
}
public byte getNativeRepresentation()
{
return mNativeRepresentation;
}
public int getPlatformRepresentation()
{
return mPlatformRepresentation;
}
}
private static boolean isNetworkConnected(int networkType)
{
final NetworkInfo info = getActiveNetwork();
return info != null && info.getType() == networkType && info.isConnected();
}
public static
@Nullable
NetworkInfo getActiveNetwork()
{
return ((ConnectivityManager) MwmApplication.get().getSystemService(Context.CONNECTIVITY_SERVICE)).getActiveNetworkInfo();
}
public static boolean isMobileConnected()
{
return isNetworkConnected(ConnectivityManager.TYPE_MOBILE);
}
public static boolean isWifiConnected()
{
return isNetworkConnected(ConnectivityManager.TYPE_WIFI);
}
public static boolean isConnected()
{
return isNetworkConnected(ConnectivityManager.TYPE_WIFI) || isNetworkConnected(ConnectivityManager.TYPE_MOBILE);
}
public static boolean isConnectionFast(NetworkInfo info)
{
if (info == null || !info.isConnected())
return false;
final int type = info.getType();
final int subtype = info.getSubtype();
if (type == ConnectivityManager.TYPE_WIFI)
return true;
if (type == ConnectivityManager.TYPE_MOBILE)
{
switch (subtype)
{
case TelephonyManager.NETWORK_TYPE_IDEN: // ~25 kbps
case TelephonyManager.NETWORK_TYPE_CDMA: // ~ 14-64 kbps
case TelephonyManager.NETWORK_TYPE_1xRTT: // ~ 50-100 kbps
case TelephonyManager.NETWORK_TYPE_EDGE: // ~ 50-100 kbps
case TelephonyManager.NETWORK_TYPE_GPRS: // ~ 100 kbps
case TelephonyManager.NETWORK_TYPE_UNKNOWN:
return false;
case TelephonyManager.NETWORK_TYPE_EVDO_0: // ~ 400-1000 kbps
case TelephonyManager.NETWORK_TYPE_EVDO_A: // ~ 600-1400 kbps
case TelephonyManager.NETWORK_TYPE_HSDPA: // ~ 2-14 Mbps
case TelephonyManager.NETWORK_TYPE_HSPA: // ~ 700-1700 kbps
case TelephonyManager.NETWORK_TYPE_HSUPA: // ~ 1-23 Mbps
case TelephonyManager.NETWORK_TYPE_UMTS: // ~ 400-7000 kbps
case TelephonyManager.NETWORK_TYPE_EHRPD: // ~ 1-2 Mbps
case TelephonyManager.NETWORK_TYPE_EVDO_B: // ~ 5 Mbps
case TelephonyManager.NETWORK_TYPE_HSPAP: // ~ 10-20 Mbps
case TelephonyManager.NETWORK_TYPE_LTE: // ~ 10+ Mbps
default:
return true;
}
}
return false;
}
public static boolean isInRoaming()
{
NetworkInfo info = getActiveNetwork();
return info != null && info.isRoaming();
}
// Called from JNI.
@SuppressWarnings("unused")
public static byte getConnectionState()
{
return requestCurrentType().getNativeRepresentation();
}
@NonNull
public static Type requestCurrentType()
{
for (ConnectionState.Type each : ConnectionState.Type.values())
{
if (isNetworkConnected(each.getPlatformRepresentation()))
return each;
}
return NONE;
}
}
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