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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 android.app.Activity;
import android.app.settings.SettingsEnums;
import android.content.Context;
import android.net.NetworkTemplate;
import android.os.Bundle;
import android.telephony.SubscriptionInfo;
import android.telephony.SubscriptionManager;
import android.text.BidiFormatter;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.TextUtils;
import android.text.format.Formatter;
import android.text.style.RelativeSizeSpan;
import androidx.annotation.VisibleForTesting;
import androidx.preference.Preference;
import androidx.preference.PreferenceScreen;
import com.android.settings.R;
import com.android.settings.datausage.lib.DataUsageLib;
import com.android.settings.network.ProxySubscriptionManager;
import com.android.settings.network.SubscriptionUtil;
import com.android.settingslib.NetworkPolicyEditor;
import com.android.settingslib.core.AbstractPreferenceController;
import java.util.ArrayList;
import java.util.List;
/**
* Settings preference fragment that displays data usage summary.
*/
public class DataUsageSummary extends DataUsageBaseFragment implements DataUsageEditController {
private static final String TAG = "DataUsageSummary";
static final boolean LOGD = false;
public static final String KEY_RESTRICT_BACKGROUND = "restrict_background";
private static final String KEY_STATUS_HEADER = "status_header";
// Mobile data keys
public static final String KEY_MOBILE_USAGE_TITLE = "mobile_category";
public static final String KEY_MOBILE_DATA_USAGE_TOGGLE = "data_usage_enable";
public static final String KEY_MOBILE_DATA_USAGE = "cellular_data_usage";
public static final String KEY_MOBILE_BILLING_CYCLE = "billing_preference";
// Wifi keys
public static final String KEY_WIFI_USAGE_TITLE = "wifi_category";
public static final String KEY_WIFI_DATA_USAGE = "wifi_data_usage";
private DataUsageSummaryPreference mSummaryPreference;
private DataUsageSummaryPreferenceController mSummaryController;
private NetworkTemplate mDefaultTemplate;
private ProxySubscriptionManager mProxySubscriptionMgr;
@Override
public int getHelpResource() {
return R.string.help_url_data_usage;
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
Context context = getContext();
enableProxySubscriptionManager(context);
boolean hasMobileData = DataUsageUtils.hasMobileData(context);
final int defaultSubId = SubscriptionManager.getDefaultDataSubscriptionId();
if (defaultSubId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
hasMobileData = false;
}
mDefaultTemplate = DataUsageUtils.getDefaultTemplate(context, defaultSubId);
mSummaryPreference = findPreference(KEY_STATUS_HEADER);
if (!hasMobileData || !isAdmin()) {
removePreference(KEY_RESTRICT_BACKGROUND);
}
boolean hasWifiRadio = DataUsageUtils.hasWifiRadio(context);
if (hasMobileData) {
addMobileSection(defaultSubId);
if (hasActiveSubscription() && hasWifiRadio) {
// If the device has active SIM, the data usage section shows usage for mobile,
// and the WiFi section is added if there is a WiFi radio - legacy behavior.
addWifiSection();
}
// Do not add the WiFi section if either there is no WiFi radio (obviously) or if no
// SIM is installed. In the latter case the data usage section will show WiFi usage and
// there should be no explicit WiFi section added.
} else if (hasWifiRadio) {
addWifiSection();
}
if (DataUsageUtils.hasEthernet(context)) {
addEthernetSection();
}
setHasOptionsMenu(true);
}
@Override
public boolean onPreferenceTreeClick(Preference preference) {
if (preference == findPreference(KEY_STATUS_HEADER)) {
BillingCycleSettings.BytesEditorFragment.show(this, false);
return false;
}
return super.onPreferenceTreeClick(preference);
}
@Override
protected int getPreferenceScreenResId() {
return R.xml.data_usage;
}
@Override
protected String getLogTag() {
return TAG;
}
@Override
protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
final Activity activity = getActivity();
final ArrayList<AbstractPreferenceController> controllers = new ArrayList<>();
mSummaryController =
new DataUsageSummaryPreferenceController(activity, getSettingsLifecycle(), this,
DataUsageUtils.getDefaultSubscriptionId(activity));
controllers.add(mSummaryController);
getSettingsLifecycle().addObserver(mSummaryController);
return controllers;
}
@VisibleForTesting
void addMobileSection(int subId) {
addMobileSection(subId, null);
}
@VisibleForTesting
void enableProxySubscriptionManager(Context context) {
// Enable ProxySubscriptionMgr with Lifecycle support for all controllers
// live within this fragment
mProxySubscriptionMgr = ProxySubscriptionManager.getInstance(context);
mProxySubscriptionMgr.setLifecycle(getLifecycle());
}
@VisibleForTesting
boolean hasActiveSubscription() {
final List<SubscriptionInfo> subInfoList =
mProxySubscriptionMgr.getActiveSubscriptionsInfo();
return ((subInfoList != null) && (subInfoList.size() > 0));
}
private void addMobileSection(int subId, SubscriptionInfo subInfo) {
TemplatePreferenceCategory category = (TemplatePreferenceCategory)
inflatePreferences(R.xml.data_usage_cellular);
category.setTemplate(DataUsageLib.getMobileTemplate(getContext(), subId),
subId, services);
category.pushTemplates(services);
final CharSequence displayName = SubscriptionUtil.getUniqueSubscriptionDisplayName(
subInfo, getContext());
if (subInfo != null && !TextUtils.isEmpty(displayName)) {
Preference title = category.findPreference(KEY_MOBILE_USAGE_TITLE);
title.setTitle(displayName);
}
}
@VisibleForTesting
void addWifiSection() {
TemplatePreferenceCategory category = (TemplatePreferenceCategory)
inflatePreferences(R.xml.data_usage_wifi);
category.setTemplate(new NetworkTemplate.Builder(NetworkTemplate.MATCH_WIFI).build(),
0, services);
}
private void addEthernetSection() {
TemplatePreferenceCategory category = (TemplatePreferenceCategory)
inflatePreferences(R.xml.data_usage_ethernet);
category.setTemplate(new NetworkTemplate.Builder(NetworkTemplate.MATCH_ETHERNET).build(),
0, services);
}
private Preference inflatePreferences(int resId) {
PreferenceScreen rootPreferences = getPreferenceManager().inflateFromResource(
getPrefContext(), resId, null);
Preference pref = rootPreferences.getPreference(0);
rootPreferences.removeAll();
PreferenceScreen screen = getPreferenceScreen();
pref.setOrder(screen.getPreferenceCount());
screen.addPreference(pref);
return pref;
}
@Override
public void onResume() {
super.onResume();
updateState();
}
@VisibleForTesting
static CharSequence formatUsage(Context context, String template, long usageLevel) {
final float LARGER_SIZE = 1.25f * 1.25f; // (1/0.8)^2
final float SMALLER_SIZE = 1.0f / LARGER_SIZE; // 0.8^2
return formatUsage(context, template, usageLevel, LARGER_SIZE, SMALLER_SIZE);
}
static CharSequence formatUsage(Context context, String template, long usageLevel,
float larger, float smaller) {
final int FLAGS = Spannable.SPAN_INCLUSIVE_INCLUSIVE;
final Formatter.BytesResult usedResult = Formatter.formatBytes(context.getResources(),
usageLevel, Formatter.FLAG_CALCULATE_ROUNDED | Formatter.FLAG_IEC_UNITS);
final SpannableString enlargedValue = new SpannableString(usedResult.value);
enlargedValue.setSpan(new RelativeSizeSpan(larger), 0, enlargedValue.length(), FLAGS);
final SpannableString amountTemplate = new SpannableString(
context.getString(com.android.internal.R.string.fileSizeSuffix)
.replace("%1$s", "^1").replace("%2$s", "^2"));
final CharSequence formattedUsage = TextUtils.expandTemplate(amountTemplate,
enlargedValue, usedResult.units);
final SpannableString fullTemplate = new SpannableString(template);
fullTemplate.setSpan(new RelativeSizeSpan(smaller), 0, fullTemplate.length(), FLAGS);
return TextUtils.expandTemplate(fullTemplate,
BidiFormatter.getInstance().unicodeWrap(formattedUsage.toString()));
}
private void updateState() {
PreferenceScreen screen = getPreferenceScreen();
for (int i = 1; i < screen.getPreferenceCount(); i++) {
Preference currentPreference = screen.getPreference(i);
if (currentPreference instanceof TemplatePreferenceCategory) {
((TemplatePreferenceCategory) currentPreference).pushTemplates(services);
}
}
}
@Override
public int getMetricsCategory() {
return SettingsEnums.DATA_USAGE_SUMMARY;
}
@Override
public NetworkPolicyEditor getNetworkPolicyEditor() {
return services.mPolicyEditor;
}
@Override
public NetworkTemplate getNetworkTemplate() {
return mDefaultTemplate;
}
@Override
public void updateDataUsage() {
updateState();
mSummaryController.updateState(mSummaryPreference);
}
}