/*
* 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.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.database.ContentObserver;
import android.net.NetworkTemplate;
import android.net.Uri;
import android.os.Handler;
import android.os.Looper;
import android.os.Parcel;
import android.os.Parcelable;
import android.provider.Settings.Global;
import android.support.v7.preference.PreferenceViewHolder;
import android.telephony.SubscriptionInfo;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.widget.Checkable;
import com.android.internal.logging.MetricsLogger;
import com.android.internal.logging.MetricsProto.MetricsEvent;
import com.android.settings.CustomDialogPreference;
import com.android.settings.R;
import com.android.settings.Utils;
import java.util.List;
public class CellDataPreference extends CustomDialogPreference implements TemplatePreference {
private static final String TAG = "CellDataPreference";
public int mSubId = SubscriptionManager.INVALID_SUBSCRIPTION_ID;
public boolean mChecked;
public boolean mMultiSimDialog;
private TelephonyManager mTelephonyManager;
private SubscriptionManager mSubscriptionManager;
public CellDataPreference(Context context, AttributeSet attrs) {
super(context, attrs, android.R.attr.switchPreferenceStyle);
}
@Override
protected void onRestoreInstanceState(Parcelable s) {
CellDataState state = (CellDataState) s;
super.onRestoreInstanceState(state.getSuperState());
mTelephonyManager = TelephonyManager.from(getContext());
mChecked = state.mChecked;
mMultiSimDialog = state.mMultiSimDialog;
if (mSubId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
mSubId = state.mSubId;
setKey(getKey() + mSubId);
}
notifyChanged();
}
@Override
protected Parcelable onSaveInstanceState() {
CellDataState state = new CellDataState(super.onSaveInstanceState());
state.mChecked = mChecked;
state.mMultiSimDialog = mMultiSimDialog;
state.mSubId = mSubId;
return state;
}
@Override
public void onAttached() {
super.onAttached();
mListener.setListener(true, mSubId, getContext());
}
@Override
public void onDetached() {
mListener.setListener(false, mSubId, getContext());
super.onDetached();
}
@Override
public void setTemplate(NetworkTemplate template, int subId, NetworkServices services) {
if (subId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
throw new IllegalArgumentException("CellDataPreference needs a SubscriptionInfo");
}
mSubscriptionManager = SubscriptionManager.from(getContext());
mTelephonyManager = TelephonyManager.from(getContext());
if (mSubId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
mSubId = subId;
setKey(getKey() + subId);
}
updateChecked();
}
private void updateChecked() {
setChecked(mTelephonyManager.getDataEnabled(mSubId));
}
@Override
protected void performClick(View view) {
MetricsLogger.action(getContext(), MetricsEvent.ACTION_CELL_DATA_TOGGLE, !mChecked);
final SubscriptionInfo currentSir = mSubscriptionManager.getActiveSubscriptionInfo(
mSubId);
final SubscriptionInfo nextSir = mSubscriptionManager.getDefaultDataSubscriptionInfo();
if (mChecked) {
// If the device is single SIM or is enabling data on the active data SIM then forgo
// the pop-up.
if (!Utils.showSimCardTile(getContext()) ||
(nextSir != null && currentSir != null &&
currentSir.getSubscriptionId() == nextSir.getSubscriptionId())) {
setMobileDataEnabled(false);
if (nextSir != null && currentSir != null &&
currentSir.getSubscriptionId() == nextSir.getSubscriptionId()) {
disableDataForOtherSubscriptions(mSubId);
}
return;
}
// disabling data; show confirmation dialog which eventually
// calls setMobileDataEnabled() once user confirms.
mMultiSimDialog = false;
super.performClick(view);
} else {
// If we are showing the Sim Card tile then we are a Multi-Sim device.
if (Utils.showSimCardTile(getContext())) {
mMultiSimDialog = true;
if (nextSir != null && currentSir != null &&
currentSir.getSubscriptionId() == nextSir.getSubscriptionId()) {
setMobileDataEnabled(true);
disableDataForOtherSubscriptions(mSubId);
return;
}
super.performClick(view);
} else {
setMobileDataEnabled(true);
}
}
}
private void setMobileDataEnabled(boolean enabled) {
if (DataUsageSummary.LOGD) Log.d(TAG, "setMobileDataEnabled(" + enabled + ","
+ mSubId + ")");
mTelephonyManager.setDataEnabled(mSubId, enabled);
setChecked(enabled);
}
private void setChecked(boolean checked) {
if (mChecked == checked) return;
mChecked = checked;
notifyChanged();
}
@Override
public void onBindViewHolder(PreferenceViewHolder holder) {
super.onBindViewHolder(holder);
View switchView = holder.findViewById(android.R.id.switch_widget);
switchView.setClickable(false);
((Checkable) switchView).setChecked(mChecked);
}
@Override
protected void onPrepareDialogBuilder(AlertDialog.Builder builder,
DialogInterface.OnClickListener listener) {
if (mMultiSimDialog) {
showMultiSimDialog(builder, listener);
} else {
showDisableDialog(builder, listener);
}
}
private void showDisableDialog(AlertDialog.Builder builder,
DialogInterface.OnClickListener listener) {
builder.setTitle(null)
.setMessage(R.string.data_usage_disable_mobile)
.setPositiveButton(android.R.string.ok, listener)
.setNegativeButton(android.R.string.cancel, null);
}
private void showMultiSimDialog(AlertDialog.Builder builder,
DialogInterface.OnClickListener listener) {
final SubscriptionInfo currentSir = mSubscriptionManager.getActiveSubscriptionInfo(mSubId);
final SubscriptionInfo nextSir = mSubscriptionManager.getDefaultDataSubscriptionInfo();
final String previousName = (nextSir == null)
? getContext().getResources().getString(R.string.sim_selection_required_pref)
: nextSir.getDisplayName().toString();
builder.setTitle(R.string.sim_change_data_title);
builder.setMessage(getContext().getString(R.string.sim_change_data_message,
String.valueOf(currentSir != null ? currentSir.getDisplayName() : null),
previousName));
builder.setPositiveButton(R.string.okay, listener);
builder.setNegativeButton(R.string.cancel, null);
}
private void disableDataForOtherSubscriptions(int subId) {
List<SubscriptionInfo> subInfoList = mSubscriptionManager.getActiveSubscriptionInfoList();
if (subInfoList != null) {
for (SubscriptionInfo subInfo : subInfoList) {
if (subInfo.getSubscriptionId() != subId) {
mTelephonyManager.setDataEnabled(subInfo.getSubscriptionId(), false);
}
}
}
}
@Override
protected void onClick(DialogInterface dialog, int which) {
if (which != DialogInterface.BUTTON_POSITIVE) {
return;
}
if (mMultiSimDialog) {
mSubscriptionManager.setDefaultDataSubId(mSubId);
setMobileDataEnabled(true);
disableDataForOtherSubscriptions(mSubId);
} else {
// TODO: extend to modify policy enabled flag.
setMobileDataEnabled(false);
}
}
private final DataStateListener mListener = new DataStateListener() {
@Override
public void onChange(boolean selfChange) {
updateChecked();
}
};
public abstract static class DataStateListener extends ContentObserver {
public DataStateListener() {
super(new Handler(Looper.getMainLooper()));
}
public void setListener(boolean listening, int subId, Context context) {
if (listening) {
Uri uri = Global.getUriFor(Global.MOBILE_DATA);
if (TelephonyManager.getDefault().getSimCount() != 1) {
uri = Global.getUriFor(Global.MOBILE_DATA + subId);
}
context.getContentResolver().registerContentObserver(uri, false, this);
} else {
context.getContentResolver().unregisterContentObserver(this);
}
}
}
public static class CellDataState extends BaseSavedState {
public int mSubId;
public boolean mChecked;
public boolean mMultiSimDialog;
public CellDataState(Parcelable base) {
super(base);
}
public CellDataState(Parcel source) {
super(source);
mChecked = source.readByte() != 0;
mMultiSimDialog = source.readByte() != 0;
mSubId = source.readInt();
}
@Override
public void writeToParcel(Parcel dest, int flags) {
super.writeToParcel(dest, flags);
dest.writeByte((byte) (mChecked ? 1 : 0));
dest.writeByte((byte) (mMultiSimDialog ? 1 : 0));
dest.writeInt(mSubId);
}
public static final Creator<CellDataState> CREATOR = new Creator<CellDataState>() {
@Override
public CellDataState createFromParcel(Parcel source) {
return new CellDataState(source);
}
@Override
public CellDataState[] newArray(int size) {
return new CellDataState[size];
}
};
}
}