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/*
* Copyright (C) 2022 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.settings.safetycenter;
import static android.safetycenter.SafetyEvent.SAFETY_EVENT_TYPE_SOURCE_STATE_CHANGED;
import android.app.PendingIntent;
import android.app.settings.SettingsEnums;
import android.content.Context;
import android.content.Intent;
import android.os.UserHandle;
import android.os.UserManager;
import android.safetycenter.SafetyEvent;
import android.safetycenter.SafetySourceData;
import android.safetycenter.SafetySourceIssue;
import android.safetycenter.SafetySourceStatus;
import android.safetycenter.SafetySourceStatus.IconAction;
import com.android.settings.R;
import com.android.settings.security.ScreenLockPreferenceDetailsUtils;
import com.android.settingslib.RestrictedLockUtils;
import com.android.settingslib.RestrictedLockUtilsInternal;
/** Lock Screen Safety Source for Safety Center. */
public final class LockScreenSafetySource {
public static final String SAFETY_SOURCE_ID = "AndroidLockScreen";
public static final String NO_SCREEN_LOCK_ISSUE_ID = "NoScreenLockIssue";
public static final String NO_SCREEN_LOCK_ISSUE_TYPE_ID = "NoScreenLockIssueType";
public static final String SET_SCREEN_LOCK_ACTION_ID = "SetScreenLockAction";
private static final int REQUEST_CODE_SCREEN_LOCK = 1;
private static final int REQUEST_CODE_SCREEN_LOCK_SETTINGS = 2;
private LockScreenSafetySource() {
}
/** Sets lock screen safety data for Safety Center. */
public static void setSafetySourceData(Context context,
ScreenLockPreferenceDetailsUtils screenLockPreferenceDetailsUtils,
SafetyEvent safetyEvent) {
if (!SafetyCenterManagerWrapper.get().isEnabled(context)) {
return;
}
UserManager userManager = context.getSystemService(UserManager.class);
if (userManager != null && userManager.isProfile()) {
return; // LockScreen source only supports primary profile.
}
if (!screenLockPreferenceDetailsUtils.isAvailable()) {
return;
}
final int userId = UserHandle.myUserId();
final RestrictedLockUtils.EnforcedAdmin admin = RestrictedLockUtilsInternal
.checkIfPasswordQualityIsSet(context, userId);
final PendingIntent pendingIntent = createPendingIntent(context,
screenLockPreferenceDetailsUtils.getLaunchChooseLockGenericFragmentIntent(
SettingsEnums.SAFETY_CENTER), REQUEST_CODE_SCREEN_LOCK);
final IconAction gearMenuIconAction = createGearMenuIconAction(context,
screenLockPreferenceDetailsUtils);
final boolean enabled =
!screenLockPreferenceDetailsUtils.isPasswordQualityManaged(userId, admin);
final boolean isLockPatternSecure = screenLockPreferenceDetailsUtils.isLockPatternSecure();
final int severityLevel = enabled
? isLockPatternSecure
? SafetySourceData.SEVERITY_LEVEL_INFORMATION
: SafetySourceData.SEVERITY_LEVEL_RECOMMENDATION
: SafetySourceData.SEVERITY_LEVEL_UNSPECIFIED;
final SafetySourceStatus status = new SafetySourceStatus.Builder(
context.getString(R.string.unlock_set_unlock_launch_picker_title),
screenLockPreferenceDetailsUtils.getSummary(UserHandle.myUserId()),
severityLevel)
.setPendingIntent(pendingIntent)
.setEnabled(enabled)
.setIconAction(gearMenuIconAction).build();
final SafetySourceData.Builder safetySourceDataBuilder =
new SafetySourceData.Builder().setStatus(status);
if (enabled && !isLockPatternSecure) {
safetySourceDataBuilder.addIssue(createNoScreenLockIssue(context, pendingIntent));
}
final SafetySourceData safetySourceData = safetySourceDataBuilder.build();
SafetyCenterManagerWrapper.get().setSafetySourceData(
context,
SAFETY_SOURCE_ID,
safetySourceData,
safetyEvent
);
}
/** Notifies Safety Center of a change in lock screen settings. */
public static void onLockScreenChange(Context context) {
setSafetySourceData(
context, new ScreenLockPreferenceDetailsUtils(context),
new SafetyEvent.Builder(SAFETY_EVENT_TYPE_SOURCE_STATE_CHANGED).build());
// Also send refreshed safety center data for biometrics, since changing lockscreen settings
// can unset biometrics.
BiometricsSafetySource.onBiometricsChanged(context);
}
private static IconAction createGearMenuIconAction(Context context,
ScreenLockPreferenceDetailsUtils screenLockPreferenceDetailsUtils) {
return screenLockPreferenceDetailsUtils.shouldShowGearMenu() ? new IconAction(
IconAction.ICON_TYPE_GEAR,
createPendingIntent(context,
screenLockPreferenceDetailsUtils.getLaunchScreenLockSettingsIntent(
SettingsEnums.SAFETY_CENTER),
REQUEST_CODE_SCREEN_LOCK_SETTINGS))
: null;
}
private static PendingIntent createPendingIntent(Context context, Intent intent,
int requestCode) {
return PendingIntent
.getActivity(
context,
requestCode,
intent,
PendingIntent.FLAG_IMMUTABLE);
}
private static SafetySourceIssue createNoScreenLockIssue(Context context,
PendingIntent pendingIntent) {
final SafetySourceIssue.Action action = new SafetySourceIssue.Action.Builder(
SET_SCREEN_LOCK_ACTION_ID,
context.getString(R.string.no_screen_lock_issue_action_label),
pendingIntent).build();
// Custom notification deliberately has zero actions
final SafetySourceIssue.Notification customNotification =
new SafetySourceIssue.Notification.Builder(
context.getString(R.string.no_screen_lock_issue_notification_title),
context.getString(R.string.no_screen_lock_issue_notification_text))
.build();
return new SafetySourceIssue.Builder(
NO_SCREEN_LOCK_ISSUE_ID,
context.getString(R.string.no_screen_lock_issue_title),
context.getString(R.string.no_screen_lock_issue_summary),
SafetySourceData.SEVERITY_LEVEL_RECOMMENDATION,
NO_SCREEN_LOCK_ISSUE_TYPE_ID)
.setIssueCategory(SafetySourceIssue.ISSUE_CATEGORY_DEVICE)
.addAction(action)
.setIssueActionability(SafetySourceIssue.ISSUE_ACTIONABILITY_MANUAL)
.setCustomNotification(customNotification)
.setNotificationBehavior(SafetySourceIssue.NOTIFICATION_BEHAVIOR_DELAYED)
.build();
}
}