| /* |
| * 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.network.telephony; |
| |
| import android.content.Context; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.telephony.SubscriptionInfo; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.TelephonyManager; |
| import android.text.TextUtils; |
| |
| import androidx.annotation.VisibleForTesting; |
| import androidx.fragment.app.FragmentManager; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceScreen; |
| import androidx.preference.SwitchPreference; |
| |
| import com.android.settings.R; |
| import com.android.settings.network.MobileDataContentObserver; |
| import com.android.settingslib.core.lifecycle.LifecycleObserver; |
| import com.android.settingslib.core.lifecycle.events.OnStart; |
| import com.android.settingslib.core.lifecycle.events.OnStop; |
| |
| /** |
| * Preference controller for "Mobile data" |
| */ |
| public class MobileDataPreferenceController extends TelephonyTogglePreferenceController |
| implements LifecycleObserver, OnStart, OnStop { |
| |
| private static final String DIALOG_TAG = "MobileDataDialog"; |
| |
| private SwitchPreference mPreference; |
| private TelephonyManager mTelephonyManager; |
| private SubscriptionManager mSubscriptionManager; |
| private MobileDataContentObserver mDataContentObserver; |
| private FragmentManager mFragmentManager; |
| @VisibleForTesting |
| int mDialogType; |
| @VisibleForTesting |
| boolean mNeedDialog; |
| |
| public MobileDataPreferenceController(Context context, String key) { |
| super(context, key); |
| mSubscriptionManager = context.getSystemService(SubscriptionManager.class); |
| mDataContentObserver = new MobileDataContentObserver(new Handler(Looper.getMainLooper())); |
| mDataContentObserver.setOnMobileDataChangedListener(() -> updateState(mPreference)); |
| } |
| |
| @Override |
| public int getAvailabilityStatus(int subId) { |
| return subId != SubscriptionManager.INVALID_SUBSCRIPTION_ID |
| ? AVAILABLE |
| : AVAILABLE_UNSEARCHABLE; |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| mPreference = screen.findPreference(getPreferenceKey()); |
| } |
| |
| @Override |
| public void onStart() { |
| if (mSubId != SubscriptionManager.INVALID_SUBSCRIPTION_ID) { |
| mDataContentObserver.register(mContext, mSubId); |
| } |
| } |
| |
| @Override |
| public void onStop() { |
| if (mSubId != SubscriptionManager.INVALID_SUBSCRIPTION_ID) { |
| mDataContentObserver.unRegister(mContext); |
| } |
| } |
| |
| @Override |
| public boolean handlePreferenceTreeClick(Preference preference) { |
| if (TextUtils.equals(preference.getKey(), getPreferenceKey())) { |
| if (mNeedDialog) { |
| showDialog(mDialogType); |
| } |
| return true; |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public boolean setChecked(boolean isChecked) { |
| mNeedDialog = isDialogNeeded(); |
| |
| if (!mNeedDialog) { |
| // Update data directly if we don't need dialog |
| MobileNetworkUtils.setMobileDataEnabled(mContext, mSubId, isChecked, false); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public boolean isChecked() { |
| return mTelephonyManager.isDataEnabled(); |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| super.updateState(preference); |
| if (isOpportunistic()) { |
| preference.setEnabled(false); |
| preference.setSummary(R.string.mobile_data_settings_summary_auto_switch); |
| } else { |
| preference.setEnabled(true); |
| preference.setSummary(R.string.mobile_data_settings_summary); |
| } |
| |
| if (mSubId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) { |
| preference.setSelectable(false); |
| preference.setSummary(R.string.mobile_data_settings_summary_unavailable); |
| } else { |
| preference.setSelectable(true); |
| } |
| } |
| |
| private boolean isOpportunistic() { |
| SubscriptionInfo info = mSubscriptionManager.getActiveSubscriptionInfo(mSubId); |
| return info != null && info.isOpportunistic(); |
| } |
| |
| public void init(FragmentManager fragmentManager, int subId) { |
| mFragmentManager = fragmentManager; |
| mSubId = subId; |
| mTelephonyManager = mContext.getSystemService(TelephonyManager.class) |
| .createForSubscriptionId(mSubId); |
| } |
| |
| @VisibleForTesting |
| boolean isDialogNeeded() { |
| final boolean enableData = !isChecked(); |
| final boolean isMultiSim = (mTelephonyManager.getActiveModemCount() > 1); |
| final int defaultSubId = mSubscriptionManager.getDefaultDataSubscriptionId(); |
| final boolean needToDisableOthers = mSubscriptionManager |
| .isActiveSubscriptionId(defaultSubId) && defaultSubId != mSubId; |
| if (enableData && isMultiSim && needToDisableOthers) { |
| mDialogType = MobileDataDialogFragment.TYPE_MULTI_SIM_DIALOG; |
| return true; |
| } |
| return false; |
| } |
| |
| private void showDialog(int type) { |
| final MobileDataDialogFragment dialogFragment = MobileDataDialogFragment.newInstance(type, |
| mSubId); |
| dialogFragment.show(mFragmentManager, DIALOG_TAG); |
| } |
| } |