865e9b29f5
NO_IFTTT=Catalyst only Bug: 377600992 Flag: com.android.settings.flags.catalyst Test: testdpc Change-Id: If7212b5402f7e271b7fdbd2a43bed0e11ee6f15f
69 lines
2.7 KiB
Kotlin
69 lines
2.7 KiB
Kotlin
/*
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* Copyright (C) 2024 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.restriction
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import android.content.Context
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import com.android.settings.PreferenceRestrictionMixin
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import com.android.settingslib.datastore.HandlerExecutor
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import com.android.settingslib.datastore.KeyedObserver
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import com.android.settingslib.preference.PreferenceScreenBindingHelper
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import com.android.settingslib.preference.PreferenceScreenBindingHelper.Companion.CHANGE_REASON_STATE
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/** Helper to rebind preference immediately when user restriction is changed. */
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class UserRestrictionBindingHelper(
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context: Context,
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private val screenBindingHelper: PreferenceScreenBindingHelper,
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) : AutoCloseable {
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private val restrictionKeysToPreferenceKeys: Map<String, MutableSet<String>> =
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mutableMapOf<String, MutableSet<String>>()
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.apply {
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screenBindingHelper.forEachRecursively {
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val metadata = it.metadata
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if (metadata is PreferenceRestrictionMixin) {
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for (restrictionKey in metadata.restrictionKeys) {
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getOrPut(restrictionKey) { mutableSetOf() }.add(metadata.key)
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}
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}
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}
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}
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.toMap()
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private val userRestrictionObserver: KeyedObserver<String?>?
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init {
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if (restrictionKeysToPreferenceKeys.isEmpty()) {
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userRestrictionObserver = null
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} else {
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val observer =
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KeyedObserver<String?> { restrictionKey, _ ->
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restrictionKey?.let { notifyRestrictionChanged(it) }
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}
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UserRestrictions.addObserver(context, observer, HandlerExecutor.main)
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userRestrictionObserver = observer
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}
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}
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private fun notifyRestrictionChanged(restrictionKey: String) {
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val keys = restrictionKeysToPreferenceKeys[restrictionKey] ?: return
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for (key in keys) screenBindingHelper.notifyChange(key, CHANGE_REASON_STATE)
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}
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override fun close() {
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userRestrictionObserver?.let { UserRestrictions.removeObserver(it) }
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}
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}
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