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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the
* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
package com.android.settings.datausage;
import static android.net.ConnectivityManager.TYPE_ETHERNET;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.INetworkStatsService;
import android.net.INetworkStatsSession;
import android.net.NetworkPolicy;
import android.net.NetworkPolicyManager;
import android.net.NetworkTemplate;
import android.net.TrafficStats;
import android.os.Bundle;
import android.os.INetworkManagementService;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.SystemProperties;
import android.os.UserManager;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import android.util.Log;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settingslib.NetworkPolicyEditor;
/**
* @deprecated please use {@link DataUsageBaseFragment} instead.
*/
@Deprecated
public abstract class DataUsageBase extends SettingsPreferenceFragment {
private static final String TAG = "DataUsageBase";
private static final String ETHERNET = "ethernet";
protected final TemplatePreference.NetworkServices services =
new TemplatePreference.NetworkServices();
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
final Context context = getActivity();
services.mNetworkService = INetworkManagementService.Stub.asInterface(
ServiceManager.getService(Context.NETWORKMANAGEMENT_SERVICE));
services.mStatsService = INetworkStatsService.Stub.asInterface(
ServiceManager.getService(Context.NETWORK_STATS_SERVICE));
services.mPolicyManager = NetworkPolicyManager.from(context);
services.mPolicyEditor = new NetworkPolicyEditor(services.mPolicyManager);
services.mTelephonyManager = TelephonyManager.from(context);
services.mSubscriptionManager = SubscriptionManager.from(context);
services.mUserManager = UserManager.get(context);
}
@Override
public void onResume() {
super.onResume();
services.mPolicyEditor.read();
}
protected boolean isAdmin() {
return services.mUserManager.isAdminUser();
}
protected boolean isMobileDataAvailable(int subId) {
return services.mSubscriptionManager.getActiveSubscriptionInfo(subId) != null;
}
protected boolean isNetworkPolicyModifiable(NetworkPolicy policy, int subId) {
return policy != null && isBandwidthControlEnabled() && services.mUserManager.isAdminUser()
&& isDataEnabled(subId);
}
private boolean isDataEnabled(int subId) {
if (subId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
return true;
}
return services.mTelephonyManager.getDataEnabled(subId);
}
protected boolean isBandwidthControlEnabled() {
try {
return services.mNetworkService.isBandwidthControlEnabled();
} catch (RemoteException e) {
Log.w(TAG, "problem talking with INetworkManagementService: ", e);
return false;
}
}
/**
* Test if device has an ethernet network connection.
*/
public boolean hasEthernet(Context context) {
if (DataUsageUtils.TEST_RADIOS) {
return SystemProperties.get(DataUsageUtils.TEST_RADIOS_PROP).contains(ETHERNET);
}
final ConnectivityManager conn = ConnectivityManager.from(context);
final boolean hasEthernet = conn.isNetworkSupported(TYPE_ETHERNET);
final long ethernetBytes;
try {
INetworkStatsSession statsSession = services.mStatsService.openSession();
if (statsSession != null) {
ethernetBytes = statsSession.getSummaryForNetwork(
NetworkTemplate.buildTemplateEthernet(), Long.MIN_VALUE, Long.MAX_VALUE)
.getTotalBytes();
TrafficStats.closeQuietly(statsSession);
} else {
ethernetBytes = 0;
}
} catch (RemoteException e) {
throw new RuntimeException(e);
}
// only show ethernet when both hardware present and traffic has occurred
return hasEthernet && ethernetBytes > 0;
}
}