119 lines
4.7 KiB
Java
119 lines
4.7 KiB
Java
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.dialer.assisteddialing;
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import android.content.Context;
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import android.os.Build;
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import android.preference.PreferenceManager;
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import android.support.annotation.NonNull;
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import android.support.v4.os.UserManagerCompat;
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import android.telephony.TelephonyManager;
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import com.android.dialer.common.LogUtil;
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import com.android.dialer.configprovider.ConfigProvider;
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import com.android.dialer.configprovider.ConfigProviderComponent;
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import com.android.dialer.strictmode.StrictModeUtils;
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/**
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* A Creator for AssistedDialingMediators.
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*
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* <p>This helps keep the dependencies required by AssistedDialingMediator for assisted dialing
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* explicit.
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*/
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public final class ConcreteCreator {
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// Ceiling set at P (version code 28) because this feature will ship as part of the framework in
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// Q.
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public static final int BUILD_CODE_CEILING = 28;
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/**
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* Creates a new AssistedDialingMediator
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*
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* @param telephonyManager The telephony manager used to determine user location.
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* @param context The context used to determine whether or not a provided number is an emergency
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* number.
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* @return An AssistedDialingMediator
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*/
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public static AssistedDialingMediator createNewAssistedDialingMediator(
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@NonNull TelephonyManager telephonyManager, @NonNull Context context) {
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ConfigProvider configProvider = ConfigProviderComponent.get(context).getConfigProvider();
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if (telephonyManager == null) {
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LogUtil.i(
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"ConcreteCreator.createNewAssistedDialingMediator", "provided TelephonyManager was null");
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throw new NullPointerException("Provided TelephonyManager was null");
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}
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if (context == null) {
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LogUtil.i("ConcreteCreator.createNewAssistedDialingMediator", "provided context was null");
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throw new NullPointerException("Provided context was null");
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}
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if (!UserManagerCompat.isUserUnlocked(context)) {
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// To avoid any issues reading preferences, we disable the feature when the user is in a
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// locked state.
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LogUtil.i("ConcreteCreator.createNewAssistedDialingMediator", "user is locked");
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return new AssistedDialingMediatorStub();
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}
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if (!isAssistedDialingEnabled(configProvider)) {
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LogUtil.i("ConcreteCreator.createNewAssistedDialingMediator", "feature not enabled");
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return new AssistedDialingMediatorStub();
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}
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if (!PreferenceManager.getDefaultSharedPreferences(context)
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.getBoolean(context.getString(R.string.assisted_dialing_setting_toggle_key), true)) {
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LogUtil.i("ConcreteCreator.createNewAssistedDialingMediator", "disabled by local setting");
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return new AssistedDialingMediatorStub();
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}
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Constraints constraints = new Constraints(context, getCountryCodeProvider(configProvider));
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return new AssistedDialingMediatorImpl(
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new LocationDetector(
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telephonyManager,
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StrictModeUtils.bypass(
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() ->
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PreferenceManager.getDefaultSharedPreferences(context)
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.getString(
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context.getString(R.string.assisted_dialing_setting_cc_key), null))),
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new NumberTransformer(constraints));
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}
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/** Returns a boolean indicating whether or not the assisted dialing feature is enabled. */
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public static boolean isAssistedDialingEnabled(@NonNull ConfigProvider configProvider) {
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if (configProvider == null) {
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LogUtil.i("ConcreteCreator.isAssistedDialingEnabled", "provided configProvider was null");
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throw new NullPointerException("Provided configProvider was null");
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}
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return Build.VERSION.SDK_INT <= BUILD_CODE_CEILING
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&& configProvider.getBoolean("assisted_dialing_enabled", false);
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}
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/**
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* Returns a CountryCodeProvider responsible for providing countries eligible for assisted Dialing
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*/
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public static CountryCodeProvider getCountryCodeProvider(ConfigProvider configProvider) {
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if (configProvider == null) {
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LogUtil.i("ConcreteCreator.getCountryCodeProvider", "provided configProvider was null");
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throw new NullPointerException("Provided configProvider was null");
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}
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return new CountryCodeProvider(configProvider);
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}
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}
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