| /* |
| * 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 static androidx.lifecycle.Lifecycle.Event.ON_PAUSE; |
| import static androidx.lifecycle.Lifecycle.Event.ON_RESUME; |
| |
| import android.content.Context; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.TelephonyManager; |
| |
| import androidx.lifecycle.Lifecycle; |
| import androidx.lifecycle.LifecycleObserver; |
| import androidx.lifecycle.OnLifecycleEvent; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceScreen; |
| import androidx.preference.SwitchPreference; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.settings.network.MobileDataContentObserver; |
| import com.android.settings.network.SubscriptionsChangeListener; |
| |
| public class DataDuringCallsPreferenceController extends TelephonyTogglePreferenceController |
| implements LifecycleObserver, |
| SubscriptionsChangeListener.SubscriptionsChangeListenerClient { |
| |
| private SwitchPreference mPreference; |
| private SubscriptionsChangeListener mChangeListener; |
| private TelephonyManager mManager; |
| private MobileDataContentObserver mMobileDataContentObserver; |
| private PreferenceScreen mScreen; |
| |
| public DataDuringCallsPreferenceController(Context context, |
| String preferenceKey) { |
| super(context, preferenceKey); |
| } |
| |
| public void init(Lifecycle lifecycle, int subId) { |
| this.mSubId = subId; |
| mManager = mContext.getSystemService(TelephonyManager.class).createForSubscriptionId(subId); |
| lifecycle.addObserver(this); |
| } |
| |
| @OnLifecycleEvent(ON_RESUME) |
| public void onResume() { |
| if (mChangeListener == null) { |
| mChangeListener = new SubscriptionsChangeListener(mContext, this); |
| } |
| mChangeListener.start(); |
| if (mMobileDataContentObserver == null) { |
| mMobileDataContentObserver = new MobileDataContentObserver( |
| new Handler(Looper.getMainLooper())); |
| mMobileDataContentObserver.setOnMobileDataChangedListener(() -> refreshPreference()); |
| } |
| mMobileDataContentObserver.register(mContext, mSubId); |
| } |
| |
| @OnLifecycleEvent(ON_PAUSE) |
| public void onPause() { |
| if (mChangeListener != null) { |
| mChangeListener.stop(); |
| } |
| if (mMobileDataContentObserver != null) { |
| mMobileDataContentObserver.unRegister(mContext); |
| } |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| mPreference = screen.findPreference(getPreferenceKey()); |
| mScreen = screen; |
| } |
| |
| @Override |
| public boolean isChecked() { |
| return mManager.isMobileDataPolicyEnabled( |
| TelephonyManager.MOBILE_DATA_POLICY_DATA_ON_NON_DEFAULT_DURING_VOICE_CALL); |
| } |
| |
| @Override |
| public boolean setChecked(boolean isChecked) { |
| mManager.setMobileDataPolicyEnabledStatus( |
| TelephonyManager.MOBILE_DATA_POLICY_DATA_ON_NON_DEFAULT_DURING_VOICE_CALL, |
| isChecked); |
| return true; |
| } |
| |
| @Override |
| public int getAvailabilityStatus(int subId) { |
| if (!SubscriptionManager.isValidSubscriptionId(subId) |
| || SubscriptionManager.getDefaultDataSubscriptionId() == subId) { |
| return CONDITIONALLY_UNAVAILABLE; |
| } |
| return AVAILABLE; |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| super.updateState(preference); |
| if (preference == null) { |
| return; |
| } |
| preference.setVisible(isAvailable()); |
| } |
| |
| @Override |
| public void onAirplaneModeChanged(boolean airplaneModeEnabled) {} |
| |
| @Override |
| public void onSubscriptionsChanged() { |
| updateState(mPreference); |
| } |
| |
| /** |
| * Trigger displaying preference when Mobilde data content changed. |
| */ |
| @VisibleForTesting |
| public void refreshPreference() { |
| if (mScreen != null) { |
| super.displayPreference(mScreen); |
| } |
| } |
| } |