| /* |
| * Copyright (C) 2019 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.SubscriptionManager; |
| import android.telephony.TelephonyManager; |
| import android.telephony.data.ApnSetting; |
| |
| import androidx.preference.PreferenceScreen; |
| |
| 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 MmsMessagePreferenceController extends TelephonyTogglePreferenceController implements |
| LifecycleObserver, OnStart, OnStop { |
| private TelephonyManager mTelephonyManager; |
| private SubscriptionManager mSubscriptionManager; |
| private MobileDataContentObserver mMobileDataContentObserver; |
| private PreferenceScreen mScreen; |
| |
| public MmsMessagePreferenceController(Context context, String key) { |
| super(context, key); |
| mSubscriptionManager = context.getSystemService(SubscriptionManager.class); |
| mMobileDataContentObserver = new MobileDataContentObserver( |
| new Handler(Looper.getMainLooper())); |
| mMobileDataContentObserver.setOnMobileDataChangedListener(()->refreshPreference()); |
| } |
| |
| @Override |
| public int getAvailabilityStatus(int subId) { |
| final TelephonyManager telephonyManager = mContext.getSystemService(TelephonyManager.class) |
| .createForSubscriptionId(subId); |
| return (subId != SubscriptionManager.INVALID_SUBSCRIPTION_ID |
| && !telephonyManager.isDataEnabled() |
| && telephonyManager.isApnMetered(ApnSetting.TYPE_MMS)) |
| ? AVAILABLE |
| : CONDITIONALLY_UNAVAILABLE; |
| } |
| |
| @Override |
| public void onStart() { |
| if (mSubId != SubscriptionManager.INVALID_SUBSCRIPTION_ID) { |
| mMobileDataContentObserver.register(mContext, mSubId); |
| } |
| } |
| |
| @Override |
| public void onStop() { |
| if (mSubId != SubscriptionManager.INVALID_SUBSCRIPTION_ID) { |
| mMobileDataContentObserver.unRegister(mContext); |
| } |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| mScreen = screen; |
| } |
| |
| |
| public void init(int subId) { |
| mSubId = subId; |
| mTelephonyManager = mContext.getSystemService(TelephonyManager.class) |
| .createForSubscriptionId(mSubId); |
| } |
| |
| @Override |
| public boolean setChecked(boolean isChecked) { |
| return mTelephonyManager.setAlwaysAllowMmsData(isChecked); |
| } |
| |
| @Override |
| public boolean isChecked() { |
| return mTelephonyManager.isDataEnabledForApn(ApnSetting.TYPE_MMS); |
| } |
| |
| private void refreshPreference() { |
| if (mScreen != null) { |
| super.displayPreference(mScreen); |
| } |
| } |
| } |