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/*
* Copyright (C) 2017 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.applications.appinfo;
import android.app.LoaderManager;
import android.content.Context;
import android.content.Loader;
import android.net.INetworkStatsService;
import android.net.INetworkStatsSession;
import android.net.NetworkTemplate;
import android.os.Bundle;
import android.os.RemoteException;
import android.os.ServiceManager;
import androidx.annotation.VisibleForTesting;
import androidx.preference.Preference;
import androidx.preference.PreferenceScreen;
import android.text.format.DateUtils;
import android.text.format.Formatter;
import com.android.settings.R;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settings.Utils;
import com.android.settings.datausage.AppDataUsage;
import com.android.settings.datausage.DataUsageList;
import com.android.settings.datausage.DataUsageUtils;
import com.android.settingslib.AppItem;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnPause;
import com.android.settingslib.core.lifecycle.events.OnResume;
import com.android.settingslib.net.ChartData;
import com.android.settingslib.net.ChartDataLoader;
public class AppDataUsagePreferenceController extends AppInfoPreferenceControllerBase
implements LoaderManager.LoaderCallbacks<ChartData>, LifecycleObserver, OnResume, OnPause {
private ChartData mChartData;
private INetworkStatsSession mStatsSession;
public AppDataUsagePreferenceController(Context context,String key) {
super(context, key);
}
@Override
public int getAvailabilityStatus() {
return isBandwidthControlEnabled() ? AVAILABLE : DISABLED_UNSUPPORTED;
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
if (isAvailable()) {
final INetworkStatsService statsService = INetworkStatsService.Stub.asInterface(
ServiceManager.getService(Context.NETWORK_STATS_SERVICE));
try {
mStatsSession = statsService.openSession();
} catch (RemoteException e) {
throw new RuntimeException(e);
}
}
}
@Override
public void updateState(Preference preference) {
preference.setSummary(getDataSummary());
}
@Override
public void onResume() {
if (mStatsSession != null) {
final int uid = mParent.getAppEntry().info.uid;
final AppItem app = new AppItem(uid);
app.addUid(uid);
mParent.getLoaderManager().restartLoader(mParent.LOADER_CHART_DATA,
ChartDataLoader.buildArgs(getTemplate(mContext), app),
this);
}
}
@Override
public void onPause() {
mParent.getLoaderManager().destroyLoader(mParent.LOADER_CHART_DATA);
}
@Override
public Loader<ChartData> onCreateLoader(int id, Bundle args) {
return new ChartDataLoader(mContext, mStatsSession, args);
}
@Override
public void onLoadFinished(Loader<ChartData> loader, ChartData data) {
mChartData = data;
updateState(mPreference);
}
@Override
public void onLoaderReset(Loader<ChartData> loader) {
// Leave last result.
}
@Override
protected Class<? extends SettingsPreferenceFragment> getDetailFragmentClass() {
return AppDataUsage.class;
}
private CharSequence getDataSummary() {
if (mChartData != null) {
final long totalBytes = mChartData.detail.getTotalBytes();
if (totalBytes == 0) {
return mContext.getString(R.string.no_data_usage);
}
return mContext.getString(R.string.data_summary_format,
Formatter.formatFileSize(mContext, totalBytes),
DateUtils.formatDateTime(mContext, mChartData.detail.getStart(),
DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_ABBREV_MONTH));
}
return mContext.getString(R.string.computing_size);
}
private static NetworkTemplate getTemplate(Context context) {
if (DataUsageList.hasReadyMobileRadio(context)) {
return NetworkTemplate.buildTemplateMobileWildcard();
}
if (DataUsageUtils.hasWifiRadio(context)) {
return NetworkTemplate.buildTemplateWifiWildcard();
}
return NetworkTemplate.buildTemplateEthernet();
}
@VisibleForTesting
boolean isBandwidthControlEnabled() {
return Utils.isBandwidthControlEnabled();
}
}
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