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/*
* 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);
}
}
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