| /* |
| * 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.Looper; |
| import android.os.PersistableBundle; |
| import android.telephony.CarrierConfigManager; |
| import android.telephony.PhoneStateListener; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.TelephonyManager; |
| |
| import androidx.annotation.VisibleForTesting; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceScreen; |
| import androidx.preference.SwitchPreference; |
| |
| import com.android.ims.ImsManager; |
| import com.android.settings.R; |
| import com.android.settingslib.core.lifecycle.LifecycleObserver; |
| import com.android.settingslib.core.lifecycle.events.OnStart; |
| import com.android.settingslib.core.lifecycle.events.OnStop; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Preference controller for "Enhanced 4G LTE" |
| */ |
| public class Enhanced4gLtePreferenceController extends TelephonyTogglePreferenceController |
| implements LifecycleObserver, OnStart, OnStop { |
| |
| private Preference mPreference; |
| private TelephonyManager mTelephonyManager; |
| private CarrierConfigManager mCarrierConfigManager; |
| private PersistableBundle mCarrierConfig; |
| @VisibleForTesting |
| ImsManager mImsManager; |
| private PhoneCallStateListener mPhoneStateListener; |
| private final List<On4gLteUpdateListener> m4gLteListeners; |
| private final CharSequence[] mVariantTitles; |
| private final CharSequence[] mVariantSumaries; |
| |
| private final int VARIANT_TITLE_VOLTE = 0; |
| private final int VARIANT_TITLE_ADVANCED_CALL = 1; |
| private final int VARIANT_TITLE_4G_CALLING = 2; |
| |
| public Enhanced4gLtePreferenceController(Context context, String key) { |
| super(context, key); |
| mCarrierConfigManager = context.getSystemService(CarrierConfigManager.class); |
| m4gLteListeners = new ArrayList<>(); |
| mPhoneStateListener = new PhoneCallStateListener(Looper.getMainLooper()); |
| mVariantTitles = context.getResources() |
| .getTextArray(R.array.enhanced_4g_lte_mode_title_variant); |
| mVariantSumaries = context.getResources() |
| .getTextArray(R.array.enhanced_4g_lte_mode_sumary_variant); |
| } |
| |
| @Override |
| public int getAvailabilityStatus(int subId) { |
| final PersistableBundle carrierConfig = mCarrierConfigManager.getConfigForSubId(subId); |
| final boolean isVisible = subId != SubscriptionManager.INVALID_SUBSCRIPTION_ID |
| && mImsManager != null && carrierConfig != null |
| && mImsManager.isVolteEnabledByPlatform() |
| && mImsManager.isVolteProvisionedOnDevice() |
| && MobileNetworkUtils.isImsServiceStateReady(mImsManager) |
| && !carrierConfig.getBoolean(CarrierConfigManager.KEY_HIDE_ENHANCED_4G_LTE_BOOL); |
| return isVisible |
| ? (is4gLtePrefEnabled() ? AVAILABLE : AVAILABLE_UNSEARCHABLE) |
| : CONDITIONALLY_UNAVAILABLE; |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| mPreference = screen.findPreference(getPreferenceKey()); |
| } |
| |
| @Override |
| public void onStart() { |
| mPhoneStateListener.register(mSubId); |
| } |
| |
| @Override |
| public void onStop() { |
| mPhoneStateListener.unregister(); |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| super.updateState(preference); |
| final SwitchPreference switchPreference = (SwitchPreference) preference; |
| final boolean show4GForLTE = mCarrierConfig.getBoolean( |
| CarrierConfigManager.KEY_SHOW_4G_FOR_LTE_DATA_ICON_BOOL); |
| int variant4glteTitleIndex = mCarrierConfig.getInt( |
| CarrierConfigManager.KEY_ENHANCED_4G_LTE_TITLE_VARIANT_INT); |
| |
| if (variant4glteTitleIndex != VARIANT_TITLE_ADVANCED_CALL) { |
| variant4glteTitleIndex = show4GForLTE ? VARIANT_TITLE_4G_CALLING : VARIANT_TITLE_VOLTE; |
| } |
| |
| switchPreference.setTitle(mVariantTitles[variant4glteTitleIndex]); |
| switchPreference.setSummary(mVariantSumaries[variant4glteTitleIndex]); |
| switchPreference.setEnabled(is4gLtePrefEnabled()); |
| switchPreference.setChecked(mImsManager.isEnhanced4gLteModeSettingEnabledByUser() |
| && mImsManager.isNonTtyOrTtyOnVolteEnabled()); |
| } |
| |
| @Override |
| public boolean setChecked(boolean isChecked) { |
| mImsManager.setEnhanced4gLteModeSetting(isChecked); |
| for (final On4gLteUpdateListener lsn : m4gLteListeners) { |
| lsn.on4gLteUpdated(); |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean isChecked() { |
| return mImsManager.isEnhanced4gLteModeSettingEnabledByUser(); |
| } |
| |
| public Enhanced4gLtePreferenceController init(int subId) { |
| mSubId = subId; |
| mTelephonyManager = TelephonyManager.from(mContext).createForSubscriptionId(mSubId); |
| mCarrierConfig = mCarrierConfigManager.getConfigForSubId(mSubId); |
| if (mSubId != SubscriptionManager.INVALID_SUBSCRIPTION_ID) { |
| mImsManager = ImsManager.getInstance(mContext, SubscriptionManager.getPhoneId(mSubId)); |
| } |
| |
| return this; |
| } |
| |
| public Enhanced4gLtePreferenceController addListener(On4gLteUpdateListener lsn) { |
| m4gLteListeners.add(lsn); |
| return this; |
| } |
| |
| private boolean is4gLtePrefEnabled() { |
| return mSubId != SubscriptionManager.INVALID_SUBSCRIPTION_ID |
| && mTelephonyManager.getCallState(mSubId) == TelephonyManager.CALL_STATE_IDLE |
| && mImsManager != null |
| && mImsManager.isNonTtyOrTtyOnVolteEnabled() |
| && mCarrierConfig.getBoolean( |
| CarrierConfigManager.KEY_EDITABLE_ENHANCED_4G_LTE_BOOL); |
| } |
| |
| private class PhoneCallStateListener extends PhoneStateListener { |
| |
| public PhoneCallStateListener(Looper looper) { |
| super(looper); |
| } |
| |
| @Override |
| public void onCallStateChanged(int state, String incomingNumber) { |
| updateState(mPreference); |
| } |
| |
| public void register(int subId) { |
| mSubId = subId; |
| mTelephonyManager.listen(this, PhoneStateListener.LISTEN_CALL_STATE); |
| } |
| |
| public void unregister() { |
| mTelephonyManager.listen(this, PhoneStateListener.LISTEN_NONE); |
| } |
| } |
| |
| /** |
| * Update other preferences when 4gLte state is changed |
| */ |
| public interface On4gLteUpdateListener { |
| void on4gLteUpdated(); |
| } |
| } |