Brian Isganitis
a3ec98e06d
Deprecates the preference rules. Flag: TEST_ONLY Test: go/testedequals Bug: 230027385 Change-Id: Ic3a9e589b556232d196942d687e2e2bddc000877
78 lines
2.6 KiB
Kotlin
78 lines
2.6 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.launcher3
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import android.content.Context
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import com.android.launcher3.util.Executors.MAIN_EXECUTOR
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/** Emulates Launcher preferences for a test environment. */
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class FakeLauncherPrefs(private val context: Context) : LauncherPrefs() {
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private val prefsMap = mutableMapOf<String, Any>()
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private val listeners = mutableSetOf<LauncherPrefChangeListener>()
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@Suppress("UNCHECKED_CAST")
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override fun <T> get(item: ContextualItem<T>): T {
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return prefsMap.getOrDefault(item.sharedPrefKey, item.defaultValueFromContext(context)) as T
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}
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@Suppress("UNCHECKED_CAST")
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override fun <T> get(item: ConstantItem<T>): T {
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return prefsMap.getOrDefault(item.sharedPrefKey, item.defaultValue) as T
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}
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override fun put(vararg itemsToValues: Pair<Item, Any>) = putSync(*itemsToValues)
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override fun <T : Any> put(item: Item, value: T) = putSync(item to value)
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override fun putSync(vararg itemsToValues: Pair<Item, Any>) {
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itemsToValues
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.map { (i, v) -> i.sharedPrefKey to v }
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.forEach { (k, v) ->
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prefsMap[k] = v
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notifyChange(k)
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}
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}
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override fun addListener(listener: LauncherPrefChangeListener, vararg items: Item) {
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listeners.add(listener)
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}
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override fun removeListener(listener: LauncherPrefChangeListener, vararg items: Item) {
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listeners.remove(listener)
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}
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override fun has(vararg items: Item) = items.all { it.sharedPrefKey in prefsMap }
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override fun remove(vararg items: Item) = removeSync(*items)
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override fun removeSync(vararg items: Item) {
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items
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.filter { it.sharedPrefKey in prefsMap }
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.forEach {
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prefsMap.remove(it.sharedPrefKey)
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notifyChange(it.sharedPrefKey)
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}
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}
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override fun close() = Unit
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private fun notifyChange(key: String) {
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// Mimics SharedPreferencesImpl#notifyListeners main thread dispatching.
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MAIN_EXECUTOR.execute { listeners.forEach { it.onPrefChanged(key) } }
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}
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}
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