| /* |
| * Copyright (C) 2019 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.role.controller.behavior; |
| |
| import android.content.Context; |
| import android.content.pm.PackageInfo; |
| import android.os.UserHandle; |
| import android.telephony.TelephonyManager; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| |
| import com.android.role.controller.model.Role; |
| import com.android.role.controller.model.RoleBehavior; |
| import com.android.role.controller.model.VisibilityMixin; |
| import com.android.role.controller.util.PackageUtils; |
| |
| import java.util.List; |
| |
| /** |
| * Class for behavior of the emergency role. |
| * |
| * @see com.android.settings.applications.DefaultAppSettings |
| * @see com.android.settings.applications.defaultapps.DefaultEmergencyPreferenceController |
| * @see com.android.settings.applications.defaultapps.DefaultEmergencyPicker |
| */ |
| public class EmergencyRoleBehavior implements RoleBehavior { |
| |
| @Override |
| public boolean isAvailableAsUser(@NonNull Role role, @NonNull UserHandle user, |
| @NonNull Context context) { |
| TelephonyManager telephonyManager = context.getSystemService(TelephonyManager.class); |
| return telephonyManager.isEmergencyAssistanceEnabled() && telephonyManager.isVoiceCapable(); |
| } |
| |
| @Nullable |
| @Override |
| public String getFallbackHolderAsUser(@NonNull Role role, @NonNull UserHandle user, |
| @NonNull Context context) { |
| List<String> packageNames = role.getQualifyingPackagesAsUser(user, context); |
| PackageInfo fallbackPackageInfo = null; |
| int packageNamesSize = packageNames.size(); |
| for (int i = 0; i < packageNamesSize; i++) { |
| String packageName = packageNames.get(i); |
| |
| PackageInfo packageInfo = PackageUtils.getPackageInfoAsUser(packageName, 0, |
| user, context); |
| if (packageInfo == null) { |
| continue; |
| } |
| if (fallbackPackageInfo == null || packageInfo.firstInstallTime |
| < fallbackPackageInfo.firstInstallTime) { |
| fallbackPackageInfo = packageInfo; |
| } |
| } |
| return fallbackPackageInfo != null ? fallbackPackageInfo.packageName : null; |
| } |
| |
| @Override |
| public boolean isVisibleAsUser(@NonNull Role role, @NonNull UserHandle user, |
| @NonNull Context context) { |
| return VisibilityMixin.isVisible("config_showDefaultEmergency", false, user, context); |
| } |
| } |