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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.Application;
import android.app.settings.SettingsEnums;
import android.content.Context;
import android.os.Bundle;
import android.telephony.SubscriptionManager;
import android.widget.Switch;
import androidx.preference.Preference;
import com.android.settings.R;
import com.android.settings.SettingsActivity;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settings.applications.AppStateBaseBridge.Callback;
import com.android.settings.datausage.DataSaverBackend.Listener;
import com.android.settings.search.BaseSearchIndexProvider;
import com.android.settings.widget.SettingsMainSwitchBar;
import com.android.settingslib.applications.ApplicationsState;
import com.android.settingslib.applications.ApplicationsState.AppEntry;
import com.android.settingslib.applications.ApplicationsState.Callbacks;
import com.android.settingslib.applications.ApplicationsState.Session;
import com.android.settingslib.search.SearchIndexable;
import com.android.settingslib.widget.OnMainSwitchChangeListener;
import java.util.ArrayList;
@SearchIndexable
public class DataSaverSummary extends SettingsPreferenceFragment
implements OnMainSwitchChangeListener, Listener, Callback, Callbacks {
private static final String KEY_UNRESTRICTED_ACCESS = "unrestricted_access";
private SettingsMainSwitchBar mSwitchBar;
private DataSaverBackend mDataSaverBackend;
private Preference mUnrestrictedAccess;
private ApplicationsState mApplicationsState;
private AppStateDataUsageBridge mDataUsageBridge;
private Session mSession;
// Flag used to avoid infinite loop due if user switch it on/off too quicky.
private boolean mSwitching;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
addPreferencesFromResource(R.xml.data_saver);
mUnrestrictedAccess = findPreference(KEY_UNRESTRICTED_ACCESS);
mApplicationsState = ApplicationsState.getInstance(
(Application) getContext().getApplicationContext());
mDataSaverBackend = new DataSaverBackend(getContext());
mDataUsageBridge = new AppStateDataUsageBridge(mApplicationsState, this, mDataSaverBackend);
mSession = mApplicationsState.newSession(this, getSettingsLifecycle());
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mSwitchBar = ((SettingsActivity) getActivity()).getSwitchBar();
mSwitchBar.setTitle(getContext().getString(R.string.data_saver_switch_title));
mSwitchBar.show();
mSwitchBar.addOnSwitchChangeListener(this);
}
@Override
public void onResume() {
super.onResume();
mDataSaverBackend.refreshAllowlist();
mDataSaverBackend.refreshDenylist();
mDataSaverBackend.addListener(this);
mDataUsageBridge.resume();
}
@Override
public void onPause() {
super.onPause();
mDataSaverBackend.remListener(this);
mDataUsageBridge.pause();
}
@Override
public void onSwitchChanged(Switch switchView, boolean isChecked) {
synchronized (this) {
if (mSwitching) {
return;
}
mSwitching = true;
mDataSaverBackend.setDataSaverEnabled(isChecked);
}
}
@Override
public int getMetricsCategory() {
return SettingsEnums.DATA_SAVER_SUMMARY;
}
@Override
public int getHelpResource() {
return R.string.help_url_data_saver;
}
@Override
public void onDataSaverChanged(boolean isDataSaving) {
synchronized (this) {
mSwitchBar.setChecked(isDataSaving);
mSwitching = false;
}
}
@Override
public void onAllowlistStatusChanged(int uid, boolean isAllowlisted) {
}
@Override
public void onDenylistStatusChanged(int uid, boolean isDenylisted) {
}
@Override
public void onExtraInfoUpdated() {
if (!isAdded()) {
return;
}
int count = 0;
final ArrayList<AppEntry> allApps = mSession.getAllApps();
final int N = allApps.size();
for (int i = 0; i < N; i++) {
final AppEntry entry = allApps.get(i);
if (!ApplicationsState.FILTER_DOWNLOADED_AND_LAUNCHER.filterApp(entry)) {
continue;
}
if (entry.extraInfo != null && ((AppStateDataUsageBridge.DataUsageState)
entry.extraInfo).isDataSaverAllowlisted) {
count++;
}
}
mUnrestrictedAccess.setSummary(getResources().getQuantityString(
R.plurals.data_saver_unrestricted_summary, count, count));
}
@Override
public void onRunningStateChanged(boolean running) {
}
@Override
public void onPackageListChanged() {
}
@Override
public void onRebuildComplete(ArrayList<AppEntry> apps) {
}
@Override
public void onPackageIconChanged() {
}
@Override
public void onPackageSizeChanged(String packageName) {
}
@Override
public void onAllSizesComputed() {
}
@Override
public void onLauncherInfoChanged() {
}
@Override
public void onLoadEntriesCompleted() {
}
public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
new BaseSearchIndexProvider(R.xml.data_saver) {
@Override
protected boolean isPageSearchEnabled(Context context) {
return DataUsageUtils.hasMobileData(context)
&& DataUsageUtils.getDefaultSubscriptionId(context)
!= SubscriptionManager.INVALID_SUBSCRIPTION_ID;
}
};
}