/* * Copyright (C) 2017 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.dialer.assisteddialing; import android.annotation.TargetApi; import android.content.Context; import android.os.Build; import android.os.Build.VERSION_CODES; import android.support.annotation.NonNull; import android.telephony.TelephonyManager; import com.android.dialer.common.LogUtil; import com.android.dialer.configprovider.ConfigProvider; import com.android.dialer.configprovider.ConfigProviderBindings; /** * A Creator for AssistedDialingMediators. * *
This helps keep the dependencies required by AssistedDialingMediator for assisted dialing * explicit. */ @TargetApi(VERSION_CODES.N) public final class ConcreteCreator { // Floor set at N due to use of Optional. protected static final int BUILD_CODE_FLOOR = Build.VERSION_CODES.N; // Ceiling set at O because this feature will ship as part of the framework in P. protected static final int BUILD_CODE_CEILING = Build.VERSION_CODES.O; /** * Creates a new AssistedDialingMediator * * @param telephonyManager The telephony manager used to determine user location. * @param context The context used to determine whether or not a provided number is an emergency * number. * @return An AssistedDialingMediator */ public static AssistedDialingMediator createNewAssistedDialingMediator( @NonNull TelephonyManager telephonyManager, @NonNull Context context) { ConfigProvider configProvider = ConfigProviderBindings.get(context); if (telephonyManager == null) { LogUtil.i( "ConcreteCreator.createNewAssistedDialingMediator", "provided TelephonyManager was null"); throw new NullPointerException("Provided TelephonyManager was null"); } if (context == null) { LogUtil.i("ConcreteCreator.createNewAssistedDialingMediator", "provided context was null"); throw new NullPointerException("Provided context was null"); } if ((Build.VERSION.SDK_INT < BUILD_CODE_FLOOR || Build.VERSION.SDK_INT > BUILD_CODE_CEILING) || !configProvider.getBoolean("assisted_dialing_enabled", false)) { return new AssistedDialingMediatorStub(); } Constraints constraints = new Constraints( context, configProvider.getString("assisted_dialing_csv_country_codes", "")); return new AssistedDialingMediatorImpl( new LocationDetector(telephonyManager), new NumberTransformer(constraints)); } }