/* * Copyright (C) 2020 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.ims; import android.content.Context; import android.telecom.TelecomManager; import android.telephony.AccessNetworkConstants; import android.telephony.SubscriptionManager; import android.telephony.ims.ImsException; import android.telephony.ims.feature.MmTelFeature; import android.telephony.ims.stub.ImsRegistrationImplBase; import android.util.Log; import androidx.annotation.VisibleForTesting; /** * Controller class for querying VT status */ public class VtQueryImsState extends ImsQueryController { private static final String LOG_TAG = "VtQueryImsState"; private Context mContext; private int mSubId; /** * Constructor * * @param context {@link Context} * @param subId subscription's id */ public VtQueryImsState(Context context, int subId) { super(MmTelFeature.MmTelCapabilities.CAPABILITY_TYPE_VIDEO, ImsRegistrationImplBase.REGISTRATION_TECH_LTE, AccessNetworkConstants.TRANSPORT_TYPE_WWAN); mContext = context; mSubId = subId; } /** * Implementation of ImsQueryController#isEnabledByUser(int subId) */ @VisibleForTesting boolean isEnabledByUser(int subId) { if (!SubscriptionManager.isValidSubscriptionId(subId)) { return false; } return (new ImsQueryVtUserSetting(subId)).query(); } /** * Check whether Video Call can be perform or not on this subscription * * @return true when Video Call can be performed, otherwise false */ public boolean isReadyToVideoCall() { if (!isProvisionedOnDevice(mSubId)) { return false; } try { return isEnabledByPlatform(mSubId) && isServiceStateReady(mSubId); } catch (InterruptedException | IllegalArgumentException | ImsException exception) { Log.w(LOG_TAG, "fail to get Vt ready. subId=" + mSubId, exception); } return false; } /** * Get allowance status for user to alter configuration * * @return true when changing configuration by user is allowed. */ public boolean isAllowUserControl() { if (!SubscriptionManager.isValidSubscriptionId(mSubId)) { return false; } return ((!isTtyEnabled(mContext)) || (isTtyOnVolteEnabled(mSubId))); } @VisibleForTesting boolean isTtyEnabled(Context context) { final TelecomManager telecomManager = context.getSystemService(TelecomManager.class); return (telecomManager.getCurrentTtyMode() != TelecomManager.TTY_MODE_OFF); } /** * Get user's configuration * * @return true when user's configuration is ON otherwise false. */ public boolean isEnabledByUser() { if (!SubscriptionManager.isValidSubscriptionId(mSubId)) { return false; } return isEnabledByUser(mSubId); } }