| /* |
| * 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.preference.PreferenceManager; |
| import android.support.annotation.NonNull; |
| import android.support.annotation.VisibleForTesting; |
| import android.support.v4.os.UserManagerCompat; |
| 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. |
| * |
| * <p>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_MR1 because this feature will ship as part of the framework in P. |
| @VisibleForTesting public static final int BUILD_CODE_CEILING = Build.VERSION_CODES.O_MR1; |
| |
| /** |
| * 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 (!UserManagerCompat.isUserUnlocked(context)) { |
| // To avoid any issues reading preferences, we disable the feature when the user is in a |
| // locked state. |
| LogUtil.i("ConcreteCreator.createNewAssistedDialingMediator", "user is locked"); |
| return new AssistedDialingMediatorStub(); |
| } |
| |
| if (!isAssistedDialingEnabled(configProvider)) { |
| LogUtil.i("ConcreteCreator.createNewAssistedDialingMediator", "feature not enabled"); |
| return new AssistedDialingMediatorStub(); |
| } |
| |
| if (!PreferenceManager.getDefaultSharedPreferences(context) |
| .getBoolean(context.getString(R.string.assisted_dialing_setting_toggle_key), true)) { |
| LogUtil.i("ConcreteCreator.createNewAssistedDialingMediator", "disabled by local setting"); |
| |
| return new AssistedDialingMediatorStub(); |
| } |
| |
| Constraints constraints = new Constraints(context, getCountryCodeProvider(configProvider)); |
| return new AssistedDialingMediatorImpl( |
| new LocationDetector( |
| telephonyManager, |
| PreferenceManager.getDefaultSharedPreferences(context) |
| .getString(context.getString(R.string.assisted_dialing_setting_cc_key), null)), |
| new NumberTransformer(constraints)); |
| } |
| |
| /** Returns a boolean indicating whether or not the assisted dialing feature is enabled. */ |
| public static boolean isAssistedDialingEnabled(@NonNull ConfigProvider configProvider) { |
| if (configProvider == null) { |
| LogUtil.i("ConcreteCreator.isAssistedDialingEnabled", "provided configProvider was null"); |
| throw new NullPointerException("Provided configProvider was null"); |
| } |
| |
| return (Build.VERSION.SDK_INT >= BUILD_CODE_FLOOR |
| && Build.VERSION.SDK_INT <= BUILD_CODE_CEILING) |
| && configProvider.getBoolean("assisted_dialing_enabled", false); |
| } |
| |
| /** |
| * Returns a CountryCodeProvider responsible for providing countries eligible for assisted Dialing |
| */ |
| public static CountryCodeProvider getCountryCodeProvider(ConfigProvider configProvider) { |
| if (configProvider == null) { |
| LogUtil.i("ConcreteCreator.getCountryCodeProvider", "provided configProvider was null"); |
| throw new NullPointerException("Provided configProvider was null"); |
| } |
| |
| return new CountryCodeProvider(configProvider); |
| } |
| } |