| /* |
| * 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.database.ContentObserver; |
| import android.net.Uri; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.os.PersistableBundle; |
| import android.provider.Settings; |
| 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.settingslib.core.lifecycle.LifecycleObserver; |
| import com.android.settingslib.core.lifecycle.events.OnStart; |
| import com.android.settingslib.core.lifecycle.events.OnStop; |
| |
| /** |
| * Preference controller for "Video Calling" |
| */ |
| public class VideoCallingPreferenceController extends TelephonyTogglePreferenceController implements |
| LifecycleObserver, OnStart, OnStop, |
| Enhanced4gLtePreferenceController.On4gLteUpdateListener { |
| |
| private Preference mPreference; |
| private TelephonyManager mTelephonyManager; |
| private CarrierConfigManager mCarrierConfigManager; |
| @VisibleForTesting |
| ImsManager mImsManager; |
| private PhoneCallStateListener mPhoneStateListener; |
| private DataContentObserver mDataContentObserver; |
| |
| public VideoCallingPreferenceController(Context context, String key) { |
| super(context, key); |
| mCarrierConfigManager = context.getSystemService(CarrierConfigManager.class); |
| mDataContentObserver = new DataContentObserver(new Handler(Looper.getMainLooper())); |
| mPhoneStateListener = new PhoneCallStateListener(Looper.getMainLooper()); |
| } |
| |
| @Override |
| public int getAvailabilityStatus(int subId) { |
| return subId != SubscriptionManager.INVALID_SUBSCRIPTION_ID |
| && MobileNetworkUtils.isWifiCallingEnabled(mContext, subId) |
| && isVideoCallEnabled(subId) |
| ? AVAILABLE |
| : CONDITIONALLY_UNAVAILABLE; |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| mPreference = screen.findPreference(getPreferenceKey()); |
| } |
| |
| @Override |
| public void onStart() { |
| mPhoneStateListener.register(mSubId); |
| mDataContentObserver.register(mContext, mSubId); |
| } |
| |
| @Override |
| public void onStop() { |
| mPhoneStateListener.unregister(); |
| mDataContentObserver.unRegister(mContext); |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| super.updateState(preference); |
| final SwitchPreference switchPreference = (SwitchPreference) preference; |
| final boolean videoCallEnabled = isVideoCallEnabled(mSubId, mImsManager); |
| switchPreference.setVisible(videoCallEnabled); |
| if (videoCallEnabled) { |
| final boolean is4gLteEnabled = mImsManager.isEnhanced4gLteModeSettingEnabledByUser() |
| && mImsManager.isNonTtyOrTtyOnVolteEnabled(); |
| preference.setEnabled(is4gLteEnabled && |
| mTelephonyManager.getCallState(mSubId) == TelephonyManager.CALL_STATE_IDLE); |
| switchPreference.setChecked(is4gLteEnabled && mImsManager.isVtEnabledByUser()); |
| } |
| } |
| |
| @Override |
| public boolean setChecked(boolean isChecked) { |
| mImsManager.setVtSetting(isChecked); |
| return true; |
| } |
| |
| @Override |
| public boolean isChecked() { |
| return mImsManager.isVtEnabledByUser(); |
| } |
| |
| public VideoCallingPreferenceController init(int subId) { |
| mSubId = subId; |
| mTelephonyManager = TelephonyManager.from(mContext).createForSubscriptionId(mSubId); |
| if (mSubId != SubscriptionManager.INVALID_SUBSCRIPTION_ID) { |
| mImsManager = ImsManager.getInstance(mContext, SubscriptionManager.getPhoneId(mSubId)); |
| } |
| |
| return this; |
| } |
| |
| private boolean isVideoCallEnabled(int subId) { |
| final ImsManager imsManager = subId != SubscriptionManager.INVALID_SUBSCRIPTION_ID |
| ? ImsManager.getInstance(mContext, SubscriptionManager.getPhoneId(subId)) |
| : null; |
| return isVideoCallEnabled(subId, imsManager); |
| } |
| |
| @VisibleForTesting |
| boolean isVideoCallEnabled(int subId, ImsManager imsManager) { |
| final PersistableBundle carrierConfig = mCarrierConfigManager.getConfigForSubId(subId); |
| final TelephonyManager telephonyManager = TelephonyManager |
| .from(mContext).createForSubscriptionId(subId); |
| return carrierConfig != null && imsManager != null |
| && imsManager.isVtEnabledByPlatform() |
| && imsManager.isVtProvisionedOnDevice() |
| && MobileNetworkUtils.isImsServiceStateReady(imsManager) |
| && (carrierConfig.getBoolean( |
| CarrierConfigManager.KEY_IGNORE_DATA_ENABLED_CHANGED_FOR_VIDEO_CALLS) |
| || telephonyManager.isDataEnabled()); |
| } |
| |
| @Override |
| public void on4gLteUpdated() { |
| updateState(mPreference); |
| } |
| |
| 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); |
| } |
| } |
| |
| /** |
| * Listener that listens mobile data state change. |
| */ |
| public class DataContentObserver extends ContentObserver { |
| |
| public DataContentObserver(Handler handler) { |
| super(handler); |
| } |
| |
| @Override |
| public void onChange(boolean selfChange) { |
| super.onChange(selfChange); |
| updateState(mPreference); |
| } |
| |
| public void register(Context context, int subId) { |
| Uri uri = Settings.Global.getUriFor(Settings.Global.MOBILE_DATA); |
| if (TelephonyManager.getDefault().getSimCount() != 1) { |
| uri = Settings.Global.getUriFor(Settings.Global.MOBILE_DATA + subId); |
| } |
| context.getContentResolver().registerContentObserver(uri, |
| false /* notifyForDescendants */, this /* observer */); |
| } |
| |
| public void unRegister(Context context) { |
| context.getContentResolver().unregisterContentObserver(this); |
| } |
| } |
| } |