104 lines
3.7 KiB
Java
104 lines
3.7 KiB
Java
/*
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* Copyright (C) 2020 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.display;
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import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT;
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import static com.android.settings.display.ScreenTimeoutSettings.FALLBACK_SCREEN_TIMEOUT_VALUE;
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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 androidx.preference.Preference;
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import com.android.settings.R;
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import com.android.settings.core.BasePreferenceController;
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import com.android.settingslib.RestrictedLockUtils;
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import com.android.settingslib.RestrictedLockUtilsInternal;
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import com.android.settingslib.RestrictedPreference;
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/**
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* The controller of {@link ScreenTimeoutSettings}.
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*/
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public class ScreenTimeoutPreferenceController extends BasePreferenceController {
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public static String PREF_NAME = "screen_timeout";
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public ScreenTimeoutPreferenceController(Context context, String key) {
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super(context, key);
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}
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@Override
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public int getAvailabilityStatus() {
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return AVAILABLE;
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}
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@Override
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public void updateState(Preference preference) {
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final RestrictedLockUtils.EnforcedAdmin admin = getEnforcedAdmin();
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if (admin != null) {
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preference.setEnabled(false);
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((RestrictedPreference) preference).setDisabledByAdmin(admin);
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}
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preference.setSummary(getTimeoutSummary());
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}
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private CharSequence getTimeoutSummary() {
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final long currentTimeout = getCurrentScreenTimeout();
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final CharSequence[] timeoutEntries = mContext.getResources().getStringArray(
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R.array.screen_timeout_entries);
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final CharSequence[] timeoutValues = mContext.getResources().getStringArray(
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R.array.screen_timeout_values);
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final CharSequence description = getTimeoutDescription(
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currentTimeout, timeoutEntries, timeoutValues);
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return mContext.getString(R.string.screen_timeout_summary, description);
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}
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private RestrictedLockUtils.EnforcedAdmin getEnforcedAdmin() {
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final DevicePolicyManager dpm = mContext.getSystemService(DevicePolicyManager.class);
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if (dpm != null) {
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return RestrictedLockUtilsInternal.checkIfRestrictionEnforced(
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mContext, UserManager.DISALLOW_CONFIG_SCREEN_TIMEOUT,
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UserHandle.myUserId());
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}
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return null;
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}
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private long getCurrentScreenTimeout() {
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return Settings.System.getLong(mContext.getContentResolver(),
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SCREEN_OFF_TIMEOUT, FALLBACK_SCREEN_TIMEOUT_VALUE);
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}
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private static CharSequence getTimeoutDescription(
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long currentTimeout, CharSequence[] entries, CharSequence[] values) {
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if (currentTimeout < 0 || entries == null || values == null
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|| values.length != entries.length) {
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return null;
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}
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for (int i = 0; i < values.length; i++) {
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long timeout = Long.parseLong(values[i].toString());
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if (currentTimeout == timeout) {
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return entries[i];
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}
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}
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return null;
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}
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}
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