/*
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* Copyright (C) 2019 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.settings.notification;
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import static android.app.admin.DevicePolicyManager.KEYGUARD_DISABLE_SECURE_NOTIFICATIONS;
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import static android.app.admin.DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS;
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import static android.provider.Settings.Secure.LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS;
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import android.app.KeyguardManager;
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import android.app.admin.DevicePolicyManager;
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import android.content.Context;
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import android.os.UserHandle;
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import android.os.UserManager;
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import android.provider.Settings;
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import com.android.internal.widget.LockPatternUtils;
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import com.android.settings.Utils;
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import com.android.settings.core.TogglePreferenceController;
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import com.android.settings.overlay.FeatureFactory;
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public class RedactNotificationPreferenceController extends TogglePreferenceController {
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private static final String TAG = "LockScreenNotifPref";
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static final String KEY_LOCKSCREEN_REDACT = "lock_screen_redact";
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static final String KEY_LOCKSCREEN_WORK_PROFILE_REDACT = "lock_screen_work_redact";
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private DevicePolicyManager mDpm;
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private UserManager mUm;
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private KeyguardManager mKm;
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private final int mProfileUserId;
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public RedactNotificationPreferenceController(Context context, String settingKey) {
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super(context, settingKey);
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mUm = context.getSystemService(UserManager.class);
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mDpm = context.getSystemService(DevicePolicyManager.class);
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mKm = context.getSystemService(KeyguardManager.class);
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mProfileUserId = Utils.getManagedProfileId(mUm, UserHandle.myUserId());
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}
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@Override
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public boolean isChecked() {
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int userId = KEY_LOCKSCREEN_REDACT.equals(getPreferenceKey())
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? UserHandle.myUserId() : mProfileUserId;
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return getAllowPrivateNotifications(userId);
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}
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@Override
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public boolean setChecked(boolean isChecked) {
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int userId = KEY_LOCKSCREEN_REDACT.equals(getPreferenceKey())
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? UserHandle.myUserId() : mProfileUserId;
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Settings.Secure.putIntForUser(mContext.getContentResolver(),
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Settings.Secure.LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, isChecked ? 1 : 0, userId);
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return true;
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}
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@Override
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public int getAvailabilityStatus() {
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// hide work profile setting if no work profile
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if (KEY_LOCKSCREEN_WORK_PROFILE_REDACT.equals(getPreferenceKey())
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&& mProfileUserId == UserHandle.USER_NULL) {
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return CONDITIONALLY_UNAVAILABLE;
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}
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int userId = KEY_LOCKSCREEN_REDACT.equals(getPreferenceKey())
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? UserHandle.myUserId() : mProfileUserId;
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// hide if lockscreen isn't secure for this user
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final LockPatternUtils utils = FeatureFactory.getFactory(mContext)
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.getSecurityFeatureProvider()
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.getLockPatternUtils(mContext);
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if (!utils.isSecure(userId)) {
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return CONDITIONALLY_UNAVAILABLE;
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}
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// all notifs hidden? admin doesn't allow notifs or redacted notifs? disabled
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if (!getLockscreenNotificationsEnabled(userId)
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|| !adminAllowsNotifications(userId)
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|| !adminAllowsUnredactedNotifications(userId)) {
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return DISABLED_DEPENDENT_SETTING;
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}
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// specifically the work profile setting requires the work profile to be unlocked
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if (KEY_LOCKSCREEN_WORK_PROFILE_REDACT.equals(getPreferenceKey())) {
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if (mKm.isDeviceLocked(mProfileUserId)) {
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return DISABLED_DEPENDENT_SETTING;
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}
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}
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return AVAILABLE;
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}
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private boolean adminAllowsNotifications(int userId) {
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final int dpmFlags = mDpm.getKeyguardDisabledFeatures(null/* admin */, userId);
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return (dpmFlags & KEYGUARD_DISABLE_SECURE_NOTIFICATIONS) == 0;
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}
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private boolean adminAllowsUnredactedNotifications(int userId) {
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final int dpmFlags = mDpm.getKeyguardDisabledFeatures(null/* admin */, userId);
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return (dpmFlags & KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS) == 0;
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}
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private boolean getAllowPrivateNotifications(int userId) {
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return Settings.Secure.getIntForUser(mContext.getContentResolver(),
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LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, 1, userId) != 0;
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}
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private boolean getLockscreenNotificationsEnabled(int userId) {
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return Settings.Secure.getIntForUser(mContext.getContentResolver(),
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Settings.Secure.LOCK_SCREEN_SHOW_NOTIFICATIONS, 1, userId) != 0;
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}
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}
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