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/*
* Copyright (C) 2020 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.settingslib;
import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
import android.content.Context;
import android.os.UserHandle;
import android.util.AttributeSet;
import androidx.core.content.res.TypedArrayUtils;
import androidx.preference.Preference;
import androidx.preference.PreferenceManager;
import androidx.preference.PreferenceViewHolder;
/** Top level preference that can be disabled by a device admin using a user restriction. */
public class RestrictedTopLevelPreference extends Preference {
private RestrictedPreferenceHelper mHelper;
public RestrictedTopLevelPreference(Context context, AttributeSet attrs,
int defStyleAttr, int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
mHelper = new RestrictedPreferenceHelper(context, /* preference= */ this, attrs);
}
public RestrictedTopLevelPreference(Context context, AttributeSet attrs, int defStyleAttr) {
this(context, attrs, defStyleAttr, /* defStyleRes= */ 0);
}
public RestrictedTopLevelPreference(Context context, AttributeSet attrs) {
this(context, attrs, TypedArrayUtils.getAttr(context, R.attr.preferenceStyle,
android.R.attr.preferenceStyle));
}
public RestrictedTopLevelPreference(Context context) {
this(context, /* attrs= */ null);
}
@Override
public void onBindViewHolder(PreferenceViewHolder holder) {
super.onBindViewHolder(holder);
mHelper.onBindViewHolder(holder);
}
@Override
public void performClick() {
if (!mHelper.performClick()) {
super.performClick();
}
}
@Override
protected void onAttachedToHierarchy(PreferenceManager preferenceManager) {
mHelper.onAttachedToHierarchy();
super.onAttachedToHierarchy(preferenceManager);
}
/**
* Set the user restriction and disable this preference.
*
* @param userRestriction constant from {@link android.os.UserManager}
*/
public void checkRestrictionAndSetDisabled(String userRestriction) {
mHelper.checkRestrictionAndSetDisabled(userRestriction, UserHandle.myUserId());
}
/**
* Set the user restriction and disable this preference for the given user.
*
* @param userRestriction constant from {@link android.os.UserManager}
* @param userId user to check the restriction for.
*/
public void checkRestrictionAndSetDisabled(String userRestriction, int userId) {
mHelper.checkRestrictionAndSetDisabled(userRestriction, userId);
}
@Override
public void setEnabled(boolean enabled) {
if (enabled && isDisabledByAdmin()) {
mHelper.setDisabledByAdmin(/* admin= */ null);
return;
}
super.setEnabled(enabled);
}
/**
* Check whether this preference is disabled by admin.
*
* @return true if this preference is disabled by admin.
*/
public boolean isDisabledByAdmin() {
return mHelper.isDisabledByAdmin();
}
/**
* Disable preference based on the enforce admin.
*
* @param admin details of the admin who enforced the restriction. If it is {@code null}, then
* this preference will be enabled. Otherwise, it will be disabled.
*/
public void setDisabledByAdmin(EnforcedAdmin admin) {
if (mHelper.setDisabledByAdmin(admin)) {
notifyChanged();
}
}
}
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