| /* |
| * 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 static android.provider.Telephony.Carriers.ENFORCE_MANAGED_URI; |
| |
| import android.content.Context; |
| import android.content.Intent; |
| import android.database.ContentObserver; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.os.PersistableBundle; |
| import android.provider.Settings; |
| import android.telephony.CarrierConfigManager; |
| |
| import androidx.annotation.VisibleForTesting; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceScreen; |
| |
| import com.android.settings.SettingsActivity; |
| import com.android.settings.network.ApnSettings; |
| import com.android.settingslib.RestrictedLockUtilsInternal; |
| import com.android.settingslib.RestrictedPreference; |
| 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 "Apn settings" |
| */ |
| public class ApnPreferenceController extends TelephonyBasePreferenceController implements |
| LifecycleObserver, OnStart, OnStop { |
| |
| @VisibleForTesting |
| CarrierConfigManager mCarrierConfigManager; |
| private Preference mPreference; |
| private DpcApnEnforcedObserver mDpcApnEnforcedObserver; |
| |
| public ApnPreferenceController(Context context, String key) { |
| super(context, key); |
| mCarrierConfigManager = context.getSystemService(CarrierConfigManager.class); |
| mDpcApnEnforcedObserver = new DpcApnEnforcedObserver(new Handler(Looper.getMainLooper())); |
| } |
| |
| @Override |
| public int getAvailabilityStatus(int subId) { |
| final PersistableBundle carrierConfig = mCarrierConfigManager.getConfigForSubId(subId); |
| final boolean isCdmaApn = MobileNetworkUtils.isCdmaOptions(mContext, subId) |
| && carrierConfig != null |
| && carrierConfig.getBoolean(CarrierConfigManager.KEY_SHOW_APN_SETTING_CDMA_BOOL); |
| final boolean isGsmApn = MobileNetworkUtils.isGsmOptions(mContext, subId) |
| && carrierConfig != null |
| && carrierConfig.getBoolean(CarrierConfigManager.KEY_APN_EXPAND_BOOL); |
| final boolean hideCarrierNetwork = carrierConfig == null |
| || carrierConfig.getBoolean( |
| CarrierConfigManager.KEY_HIDE_CARRIER_NETWORK_SETTINGS_BOOL); |
| |
| return !hideCarrierNetwork && (isCdmaApn || isGsmApn) |
| ? AVAILABLE |
| : CONDITIONALLY_UNAVAILABLE; |
| } |
| |
| @Override |
| public void onStart() { |
| mDpcApnEnforcedObserver.register(mContext); |
| } |
| |
| @Override |
| public void onStop() { |
| mDpcApnEnforcedObserver.unRegister(mContext); |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| mPreference = screen.findPreference(getPreferenceKey()); |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| super.updateState(preference); |
| if (mPreference == null) { |
| return; |
| } |
| ((RestrictedPreference) mPreference).setDisabledByAdmin( |
| MobileNetworkUtils.isDpcApnEnforced(mContext) |
| ? RestrictedLockUtilsInternal.getDeviceOwner(mContext) |
| : null); |
| } |
| |
| @Override |
| public boolean handlePreferenceTreeClick(Preference preference) { |
| if (getPreferenceKey().equals(preference.getKey())) { |
| // This activity runs in phone process, we must use intent to start |
| final Intent intent = new Intent(Settings.ACTION_APN_SETTINGS); |
| // This will setup the Home and Search affordance |
| intent.putExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT_AS_SUBSETTING, true); |
| intent.putExtra(ApnSettings.SUB_ID, mSubId); |
| mContext.startActivity(intent); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| public void init(int subId) { |
| mSubId = subId; |
| } |
| |
| @VisibleForTesting |
| void setPreference(Preference preference) { |
| mPreference = preference; |
| } |
| |
| private class DpcApnEnforcedObserver extends ContentObserver { |
| DpcApnEnforcedObserver(Handler handler) { |
| super(handler); |
| } |
| |
| public void register(Context context) { |
| context.getContentResolver().registerContentObserver(ENFORCE_MANAGED_URI, false, this); |
| |
| } |
| |
| public void unRegister(Context context) { |
| context.getContentResolver().unregisterContentObserver(this); |
| } |
| |
| @Override |
| public void onChange(boolean selfChange) { |
| updateState(mPreference); |
| } |
| } |
| } |