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/*
* Copyright (C) 2018 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 android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.INetworkPolicyManager;
import android.net.NetworkTemplate;
import android.os.ServiceManager;
import android.telephony.SubscriptionInfo;
import android.telephony.SubscriptionManager;
import android.telephony.SubscriptionPlan;
import android.text.TextUtils;
import android.util.Log;
import android.util.RecurrenceRule;
import androidx.annotation.VisibleForTesting;
import androidx.preference.Preference;
import androidx.preference.PreferenceFragmentCompat;
import com.android.internal.util.CollectionUtils;
import com.android.settings.R;
import com.android.settings.core.PreferenceControllerMixin;
import com.android.settings.datausage.lib.DataUsageLib;
import com.android.settings.network.ProxySubscriptionManager;
import com.android.settings.network.telephony.TelephonyBasePreferenceController;
import com.android.settings.widget.EntityHeaderController;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnStart;
import com.android.settingslib.net.DataUsageController;
import com.android.settingslib.utils.ThreadUtils;
import java.util.List;
import java.util.concurrent.Future;
/**
* This is the controller for a data usage header that retrieves carrier data from the new
* subscriptions framework API if available. The controller reads subscription information from the
* framework and falls back to legacy usage data if none are available.
*/
public class DataUsageSummaryPreferenceController extends TelephonyBasePreferenceController
implements PreferenceControllerMixin, LifecycleObserver, OnStart {
private static final String TAG = "DataUsageController";
private static final String KEY = "status_header";
private static final long PETA = 1000000000000000L;
private EntityHeaderController mEntityHeaderController;
private final PreferenceFragmentCompat mFragment;
protected DataUsageController mDataUsageController;
protected DataUsageInfoController mDataInfoController;
private NetworkTemplate mDefaultTemplate;
private boolean mHasMobileData;
/** Name of the carrier, or null if not available */
private CharSequence mCarrierName;
/** The number of registered plans, [0,N] */
private int mDataplanCount;
/** The time of the last update in milliseconds since the epoch, or -1 if unknown */
private long mSnapshotTime;
/**
* The size of the first registered plan if one exists or the size of the warning if it is set.
* -1 if no information is available.
*/
private long mDataplanSize;
/** The "size" of the data usage bar, i.e. the amount of data its rhs end represents */
private long mDataBarSize;
/** The number of bytes used since the start of the cycle. */
private long mDataplanUse;
/** The ending time of the billing cycle in ms since the epoch */
private long mCycleEnd;
private Intent mManageSubscriptionIntent;
private Future<Long> mHistoricalUsageLevel;
public DataUsageSummaryPreferenceController(
Activity activity, PreferenceFragmentCompat fragment, int subscriptionId) {
super(activity, KEY);
mFragment = fragment;
init(subscriptionId);
}
/**
* Initialize based on subscription ID provided
* @param subscriptionId is the target subscriptionId
*/
public void init(int subscriptionId) {
mSubId = subscriptionId;
mHasMobileData = DataUsageUtils.hasMobileData(mContext);
mDataUsageController = null;
}
protected void updateConfiguration(Context context,
int subscriptionId, SubscriptionInfo subInfo) {
mDataUsageController = createDataUsageController(context);
mDataUsageController.setSubscriptionId(subscriptionId);
mDataInfoController = new DataUsageInfoController();
if (subInfo != null) {
mDefaultTemplate = DataUsageLib.getMobileTemplate(context, subscriptionId);
} else if (DataUsageUtils.hasWifiRadio(context)) {
mDefaultTemplate = new NetworkTemplate.Builder(NetworkTemplate.MATCH_WIFI).build();
} else {
mDefaultTemplate = DataUsageUtils.getDefaultTemplate(context, subscriptionId);
}
}
@VisibleForTesting
DataUsageController createDataUsageController(Context context) {
return new DataUsageController(context);
}
@VisibleForTesting
DataUsageSummaryPreferenceController(
DataUsageController dataUsageController,
DataUsageInfoController dataInfoController,
NetworkTemplate defaultTemplate,
Activity activity,
EntityHeaderController entityHeaderController,
PreferenceFragmentCompat fragment,
int subscriptionId) {
super(activity, KEY);
mDataUsageController = dataUsageController;
mDataInfoController = dataInfoController;
mDefaultTemplate = defaultTemplate;
mHasMobileData = true;
mEntityHeaderController = entityHeaderController;
mFragment = fragment;
mSubId = subscriptionId;
}
@Override
public void onStart() {
if (mEntityHeaderController == null) {
mEntityHeaderController =
EntityHeaderController.newInstance((Activity) mContext, mFragment, null);
}
}
@VisibleForTesting
List<SubscriptionPlan> getSubscriptionPlans(int subscriptionId) {
return ProxySubscriptionManager.getInstance(mContext).get()
.getSubscriptionPlans(subscriptionId);
}
protected SubscriptionInfo getSubscriptionInfo(int subscriptionId) {
if (!mHasMobileData) {
return null;
}
return ProxySubscriptionManager.getInstance(mContext)
.getAccessibleSubscriptionInfo(subscriptionId);
}
@Override
public int getAvailabilityStatus(int subId) {
return (getSubscriptionInfo(subId) != null)
|| DataUsageUtils.hasWifiRadio(mContext) ? AVAILABLE : CONDITIONALLY_UNAVAILABLE;
}
@Override
public void updateState(Preference preference) {
DataUsageSummaryPreference summaryPreference = (DataUsageSummaryPreference) preference;
final SubscriptionInfo subInfo = getSubscriptionInfo(mSubId);
if (mDataUsageController == null) {
updateConfiguration(mContext, mSubId, subInfo);
}
mHistoricalUsageLevel = ThreadUtils.postOnBackgroundThread(() ->
mDataUsageController.getHistoricalUsageLevel(mDefaultTemplate));
final DataUsageController.DataUsageInfo info =
mDataUsageController.getDataUsageInfo(mDefaultTemplate);
long usageLevel = info.usageLevel;
if (subInfo != null) {
summaryPreference.setWifiMode(/* isWifiMode */ false,
/* usagePeriod */ null, /* isSingleWifi */ false);
} else {
summaryPreference.setWifiMode(/* isWifiMode */ true, /* usagePeriod */
info.period, /* isSingleWifi */ false);
summaryPreference.setLimitInfo(null);
summaryPreference.setUsageNumbers(displayUsageLevel(usageLevel),
/* dataPlanSize */ -1L,
/* hasMobileData */ true);
summaryPreference.setChartEnabled(false);
summaryPreference.setUsageInfo(info.cycleEnd,
/* snapshotTime */ -1L,
/* carrierName */ null,
/* numPlans */ 0,
/* launchIntent */ null);
return;
}
refreshDataplanInfo(info, subInfo);
if (info.warningLevel > 0 && info.limitLevel > 0) {
summaryPreference.setLimitInfo(TextUtils.expandTemplate(
mContext.getText(R.string.cell_data_warning_and_limit),
DataUsageUtils.formatDataUsage(mContext, info.warningLevel),
DataUsageUtils.formatDataUsage(mContext, info.limitLevel)));
} else if (info.warningLevel > 0) {
summaryPreference.setLimitInfo(TextUtils.expandTemplate(
mContext.getText(R.string.cell_data_warning),
DataUsageUtils.formatDataUsage(mContext, info.warningLevel)));
} else if (info.limitLevel > 0) {
summaryPreference.setLimitInfo(TextUtils.expandTemplate(
mContext.getText(R.string.cell_data_limit),
DataUsageUtils.formatDataUsage(mContext, info.limitLevel)));
} else {
summaryPreference.setLimitInfo(null);
}
if ((mDataplanUse <= 0L) && (mSnapshotTime < 0)) {
Log.d(TAG, "Display data usage from history");
mDataplanUse = displayUsageLevel(usageLevel);
mSnapshotTime = -1L;
}
summaryPreference.setUsageNumbers(mDataplanUse, mDataplanSize, mHasMobileData);
if (mDataBarSize <= 0) {
summaryPreference.setChartEnabled(false);
} else {
summaryPreference.setChartEnabled(true);
summaryPreference.setLabels(DataUsageUtils.formatDataUsage(mContext, 0 /* sizeBytes */),
DataUsageUtils.formatDataUsage(mContext, mDataBarSize));
summaryPreference.setProgress(mDataplanUse / (float) mDataBarSize);
}
summaryPreference.setUsageInfo(mCycleEnd, mSnapshotTime, mCarrierName,
mDataplanCount, mManageSubscriptionIntent);
}
private long displayUsageLevel(long usageLevel) {
if (usageLevel > 0) {
return usageLevel;
}
try {
usageLevel = mHistoricalUsageLevel.get();
} catch (Exception ex) {
}
return usageLevel;
}
// TODO(b/70950124) add test for this method once the robolectric shadow run script is
// completed (b/3526807)
private void refreshDataplanInfo(DataUsageController.DataUsageInfo info,
SubscriptionInfo subInfo) {
// reset data before overwriting
mCarrierName = null;
mDataplanCount = 0;
mDataplanSize = -1L;
mDataBarSize = mDataInfoController.getSummaryLimit(info);
mDataplanUse = info.usageLevel;
mCycleEnd = info.cycleEnd;
mSnapshotTime = -1L;
if (subInfo != null && mHasMobileData) {
mCarrierName = subInfo.getCarrierName();
final List<SubscriptionPlan> plans = getSubscriptionPlans(mSubId);
final SubscriptionPlan primaryPlan = getPrimaryPlan(plans);
if (primaryPlan != null) {
mDataplanCount = plans.size();
mDataplanSize = primaryPlan.getDataLimitBytes();
if (unlimited(mDataplanSize)) {
mDataplanSize = -1L;
}
mDataBarSize = mDataplanSize;
mDataplanUse = primaryPlan.getDataUsageBytes();
RecurrenceRule rule = primaryPlan.getCycleRule();
if (rule != null && rule.start != null && rule.end != null) {
mCycleEnd = rule.end.toEpochSecond() * 1000L;
}
mSnapshotTime = primaryPlan.getDataUsageTime();
}
}
// Temporarily return null, since no current users of SubscriptionPlan have this intent set.
// TODO (b/170330084): Remove after refactoring 5G SubscriptionPlan logic.
// mManageSubscriptionIntent = createManageSubscriptionIntent(mSubId);
mManageSubscriptionIntent = null;
Log.i(TAG, "Have " + mDataplanCount + " plans, dflt sub-id " + mSubId
+ ", intent " + mManageSubscriptionIntent);
}
/**
* Create an {@link Intent} that can be launched towards the carrier app
* that is currently defining the billing relationship plan through
* {@link INetworkPolicyManager#setSubscriptionPlans(int, SubscriptionPlan [], String)}.
*
* @return ready to launch Intent targeted towards the carrier app, or
* {@code null} if no carrier app is defined, or if the defined
* carrier app provides no management activity.
*/
@VisibleForTesting
Intent createManageSubscriptionIntent(int subId) {
final INetworkPolicyManager iNetPolicyManager = INetworkPolicyManager.Stub.asInterface(
ServiceManager.getService(Context.NETWORK_POLICY_SERVICE));
String owner = "";
try {
owner = iNetPolicyManager.getSubscriptionPlansOwner(subId);
} catch (Exception ex) {
Log.w(TAG, "Fail to get subscription plan owner for subId " + subId, ex);
}
if (TextUtils.isEmpty(owner)) {
return null;
}
final List<SubscriptionPlan> plans = getSubscriptionPlans(subId);
if (plans.isEmpty()) {
return null;
}
final Intent intent = new Intent(SubscriptionManager.ACTION_MANAGE_SUBSCRIPTION_PLANS);
intent.setPackage(owner);
intent.putExtra(SubscriptionManager.EXTRA_SUBSCRIPTION_INDEX, subId);
if (mContext.getPackageManager().queryIntentActivities(intent,
PackageManager.MATCH_DEFAULT_ONLY).isEmpty()) {
return null;
}
return intent;
}
private static SubscriptionPlan getPrimaryPlan(List<SubscriptionPlan> plans) {
if (CollectionUtils.isEmpty(plans)) {
return null;
}
// First plan in the list is the primary plan
SubscriptionPlan plan = plans.get(0);
return plan.getDataLimitBytes() > 0
&& validSize(plan.getDataUsageBytes())
&& plan.getCycleRule() != null ? plan : null;
}
private static boolean validSize(long value) {
return value >= 0L && value < PETA;
}
public static boolean unlimited(long size) {
return size == SubscriptionPlan.BYTES_UNLIMITED;
}
}