/*
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* Copyright (C) 2012 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.users;
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import android.content.Context;
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import android.graphics.drawable.Drawable;
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import android.os.UserHandle;
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import android.os.UserManager;
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import android.util.AttributeSet;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.widget.ImageView;
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import androidx.preference.PreferenceViewHolder;
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import com.android.settings.R;
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import com.android.settingslib.RestrictedLockUtilsInternal;
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import com.android.settingslib.RestrictedPreference;
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import java.util.Comparator;
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public class UserPreference extends RestrictedPreference {
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private static final int ALPHA_ENABLED = 255;
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private static final int ALPHA_DISABLED = 102;
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public static final int USERID_UNKNOWN = -10;
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public static final int USERID_GUEST_DEFAULTS = -11;
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public static final Comparator<UserPreference> SERIAL_NUMBER_COMPARATOR =
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(p1, p2) -> {
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if (p1 == null) {
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return -1;
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}
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else if (p2 == null) {
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return 1;
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}
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int sn1 = p1.getSerialNumber();
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int sn2 = p2.getSerialNumber();
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if (sn1 < sn2) {
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return -1;
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} else if (sn1 > sn2) {
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return 1;
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}
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return 0;
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};
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private OnClickListener mDeleteClickListener;
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private OnClickListener mSettingsClickListener;
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private int mSerialNumber = -1;
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private int mUserId = USERID_UNKNOWN;
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static final int SETTINGS_ID = R.id.manage_user;
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static final int DELETE_ID = R.id.trash_user;
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public UserPreference(Context context, AttributeSet attrs) {
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this(context, attrs, USERID_UNKNOWN, null, null);
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}
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UserPreference(Context context, AttributeSet attrs, int userId,
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OnClickListener settingsListener,
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OnClickListener deleteListener) {
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super(context, attrs);
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if (deleteListener != null || settingsListener != null) {
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setWidgetLayoutResource(R.layout.restricted_preference_user_delete_widget);
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}
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mDeleteClickListener = deleteListener;
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mSettingsClickListener = settingsListener;
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mUserId = userId;
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useAdminDisabledSummary(true);
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}
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private void dimIcon(boolean dimmed) {
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Drawable icon = getIcon();
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if (icon != null) {
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icon.mutate().setAlpha(dimmed ? ALPHA_DISABLED : ALPHA_ENABLED);
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setIcon(icon);
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}
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}
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@Override
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protected boolean shouldHideSecondTarget() {
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if (isDisabledByAdmin()) {
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// Disabled by admin, show no secondary target.
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return true;
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}
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if (canDeleteUser()) {
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// Need to show delete user target so don't hide.
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return false;
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}
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// Hide if don't have advanced setting listener.
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return mSettingsClickListener == null;
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}
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@Override
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public void onBindViewHolder(PreferenceViewHolder view) {
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super.onBindViewHolder(view);
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final boolean disabledByAdmin = isDisabledByAdmin();
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dimIcon(disabledByAdmin);
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View userDeleteWidget = view.findViewById(R.id.user_delete_widget);
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if (userDeleteWidget != null) {
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userDeleteWidget.setVisibility(disabledByAdmin ? View.GONE : View.VISIBLE);
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}
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if (!disabledByAdmin) {
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View deleteDividerView = view.findViewById(R.id.divider_delete);
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View manageDividerView = view.findViewById(R.id.divider_manage);
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View deleteView = view.findViewById(R.id.trash_user);
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if (deleteView != null) {
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if (canDeleteUser()) {
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deleteView.setVisibility(View.VISIBLE);
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deleteDividerView.setVisibility(View.VISIBLE);
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deleteView.setOnClickListener(mDeleteClickListener);
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deleteView.setTag(this);
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} else {
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deleteView.setVisibility(View.GONE);
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deleteDividerView.setVisibility(View.GONE);
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}
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}
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ImageView manageView = (ImageView) view.findViewById(R.id.manage_user);
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if (manageView != null) {
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if (mSettingsClickListener != null) {
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manageView.setVisibility(View.VISIBLE);
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manageDividerView.setVisibility(mDeleteClickListener == null
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? View.VISIBLE : View.GONE);
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manageView.setOnClickListener(mSettingsClickListener);
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manageView.setTag(this);
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} else {
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manageView.setVisibility(View.GONE);
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manageDividerView.setVisibility(View.GONE);
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}
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}
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}
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}
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private boolean canDeleteUser() {
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return mDeleteClickListener != null
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&& !RestrictedLockUtilsInternal.hasBaseUserRestriction(getContext(),
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UserManager.DISALLOW_REMOVE_USER, UserHandle.myUserId());
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}
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private int getSerialNumber() {
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if (mUserId == UserHandle.myUserId()) return Integer.MIN_VALUE;
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if (mSerialNumber < 0) {
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// If the userId is unknown
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if (mUserId == USERID_UNKNOWN) {
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return Integer.MAX_VALUE;
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} else if (mUserId == USERID_GUEST_DEFAULTS) {
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return Integer.MAX_VALUE - 1;
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}
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mSerialNumber = ((UserManager) getContext().getSystemService(Context.USER_SERVICE))
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.getUserSerialNumber(mUserId);
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if (mSerialNumber < 0) return mUserId;
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}
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return mSerialNumber;
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}
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public int getUserId() {
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return mUserId;
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}
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}
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