| /* |
| * 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.network; |
| |
| import static android.os.UserHandle.myUserId; |
| import static android.os.UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS; |
| |
| import android.content.Context; |
| import android.os.UserManager; |
| import android.support.annotation.VisibleForTesting; |
| import android.support.v7.preference.Preference; |
| import android.support.v7.preference.PreferenceScreen; |
| import android.telephony.PhoneStateListener; |
| import android.telephony.ServiceState; |
| import android.telephony.TelephonyManager; |
| |
| import com.android.settings.core.PreferenceControllerMixin; |
| import com.android.settings.wrapper.RestrictedLockUtilsWrapper; |
| import com.android.settingslib.Utils; |
| import com.android.settingslib.core.AbstractPreferenceController; |
| import com.android.settingslib.core.lifecycle.LifecycleObserver; |
| import com.android.settingslib.core.lifecycle.events.OnPause; |
| import com.android.settingslib.core.lifecycle.events.OnResume; |
| |
| public class MobileNetworkPreferenceController extends AbstractPreferenceController |
| implements PreferenceControllerMixin, LifecycleObserver, OnResume, OnPause { |
| |
| private static final String KEY_MOBILE_NETWORK_SETTINGS = "mobile_network_settings"; |
| |
| private final boolean mIsSecondaryUser; |
| private final TelephonyManager mTelephonyManager; |
| private final UserManager mUserManager; |
| private Preference mPreference; |
| @VisibleForTesting |
| PhoneStateListener mPhoneStateListener; |
| |
| public MobileNetworkPreferenceController(Context context) { |
| super(context); |
| mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE); |
| mTelephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); |
| mIsSecondaryUser = !mUserManager.isAdminUser(); |
| } |
| |
| @Override |
| public boolean isAvailable() { |
| return !isUserRestricted() && !Utils.isWifiOnly(mContext); |
| } |
| |
| public boolean isUserRestricted() { |
| final RestrictedLockUtilsWrapper wrapper = new RestrictedLockUtilsWrapper(); |
| return mIsSecondaryUser || |
| wrapper.hasBaseUserRestriction( |
| mContext, |
| DISALLOW_CONFIG_MOBILE_NETWORKS, |
| myUserId()); |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| if (isAvailable()) { |
| mPreference = screen.findPreference(getPreferenceKey()); |
| } |
| } |
| |
| @Override |
| public String getPreferenceKey() { |
| return KEY_MOBILE_NETWORK_SETTINGS; |
| } |
| |
| @Override |
| public void onResume() { |
| if (isAvailable()) { |
| if (mPhoneStateListener == null) { |
| mPhoneStateListener = new PhoneStateListener() { |
| @Override |
| public void onServiceStateChanged(ServiceState serviceState) { |
| if (mPreference != null) { |
| mPreference.setSummary(mTelephonyManager.getNetworkOperatorName()); |
| } |
| } |
| }; |
| } |
| mTelephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_SERVICE_STATE); |
| } |
| } |
| |
| @Override |
| public void onPause() { |
| if (mPhoneStateListener != null) { |
| mTelephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_NONE); |
| } |
| } |
| } |