| /* |
| * Copyright (C) 2019 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.systemui.controls.management |
| |
| import android.text.TextUtils |
| import android.util.ArrayMap |
| import com.android.systemui.controls.ControlStatus |
| import com.android.systemui.controls.controller.ControlInfo |
| |
| /** |
| * This model is used to show controls separated by zones. |
| * |
| * The model will sort the controls and zones in the following manner: |
| * * The zones will be sorted in a first seen basis |
| * * The controls in each zone will be sorted in a first seen basis. |
| * |
| * The controls passed should belong to the same structure, as an instance of this model will be |
| * created for each structure. |
| * |
| * The list of favorite ids can contain ids for controls not passed to this model. Those will be |
| * filtered out. |
| * |
| * @property controls List of controls as returned by loading |
| * @property initialFavoriteIds sorted ids of favorite controls. |
| * @property noZoneString text to use as header for all controls that have blank or `null` zone. |
| */ |
| class AllModel( |
| private val controls: List<ControlStatus>, |
| initialFavoriteIds: List<String>, |
| private val emptyZoneString: CharSequence |
| ) : ControlsModel { |
| |
| override val favorites: List<ControlInfo.Builder> |
| get() = favoriteIds.mapNotNull { id -> |
| val control = controls.firstOrNull { it.control.controlId == id }?.control |
| control?.let { |
| ControlInfo.Builder().apply { |
| controlId = it.controlId |
| controlTitle = it.title |
| deviceType = it.deviceType |
| } |
| } |
| } |
| |
| private val favoriteIds = run { |
| val ids = controls.mapTo(HashSet()) { it.control.controlId } |
| initialFavoriteIds.filter { it in ids }.toMutableList() |
| } |
| |
| override val elements: List<ElementWrapper> = createWrappers(controls) |
| |
| override fun changeFavoriteStatus(controlId: String, favorite: Boolean) { |
| if (favorite) { |
| favoriteIds.add(controlId) |
| } else { |
| favoriteIds.remove(controlId) |
| } |
| } |
| |
| private fun createWrappers(list: List<ControlStatus>): List<ElementWrapper> { |
| val map = list.groupByTo(OrderedMap(ArrayMap<CharSequence, MutableList<ControlStatus>>())) { |
| it.control.zone ?: "" |
| } |
| val output = mutableListOf<ElementWrapper>() |
| var emptyZoneValues: Sequence<ControlWrapper>? = null |
| for (zoneName in map.orderedKeys) { |
| val values = map.getValue(zoneName).asSequence().map { ControlWrapper(it) } |
| if (TextUtils.isEmpty(zoneName)) { |
| emptyZoneValues = values |
| } else { |
| output.add(ZoneNameWrapper(zoneName)) |
| output.addAll(values) |
| } |
| } |
| // Add controls with empty zone at the end |
| if (emptyZoneValues != null) { |
| if (map.size != 1) { |
| output.add(ZoneNameWrapper(emptyZoneString)) |
| } |
| output.addAll(emptyZoneValues) |
| } |
| return output |
| } |
| |
| private class OrderedMap<K, V>(private val map: MutableMap<K, V>) : MutableMap<K, V> by map { |
| |
| val orderedKeys = mutableListOf<K>() |
| |
| override fun put(key: K, value: V): V? { |
| if (key !in map) { |
| orderedKeys.add(key) |
| } |
| return map.put(key, value) |
| } |
| |
| override fun clear() { |
| orderedKeys.clear() |
| map.clear() |
| } |
| |
| override fun remove(key: K): V? { |
| val removed = map.remove(key) |
| if (removed != null) { |
| orderedKeys.remove(key) |
| } |
| return removed |
| } |
| } |
| } |