| /* |
| * Copyright (C) 2018 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.statusbar.phone |
| |
| import android.content.Context |
| import android.content.pm.ActivityInfo |
| import android.content.res.Configuration |
| import android.os.LocaleList |
| import com.android.systemui.statusbar.policy.ConfigurationController |
| |
| import java.util.ArrayList |
| |
| class ConfigurationControllerImpl(context: Context) : ConfigurationController { |
| |
| private val listeners: MutableList<ConfigurationController.ConfigurationListener> = ArrayList() |
| private val lastConfig = Configuration() |
| private var density: Int = 0 |
| private var fontScale: Float = 0.toFloat() |
| private val inCarMode: Boolean |
| private var uiMode: Int = 0 |
| private var localeList: LocaleList? = null |
| private val context: Context |
| |
| init { |
| val currentConfig = context.resources.configuration |
| this.context = context |
| fontScale = currentConfig.fontScale |
| density = currentConfig.densityDpi |
| inCarMode = currentConfig.uiMode and Configuration.UI_MODE_TYPE_MASK == |
| Configuration.UI_MODE_TYPE_CAR |
| uiMode = currentConfig.uiMode and Configuration.UI_MODE_NIGHT_MASK |
| localeList = currentConfig.locales |
| } |
| |
| override fun notifyThemeChanged() { |
| val listeners = ArrayList(listeners) |
| |
| listeners.filterForEach({ this.listeners.contains(it) }) { |
| it.onThemeChanged() |
| } |
| } |
| |
| override fun onConfigurationChanged(newConfig: Configuration) { |
| // Avoid concurrent modification exception |
| val listeners = ArrayList(listeners) |
| |
| listeners.filterForEach({ this.listeners.contains(it) }) { |
| it.onConfigChanged(newConfig) |
| } |
| val fontScale = newConfig.fontScale |
| val density = newConfig.densityDpi |
| val uiMode = newConfig.uiMode and Configuration.UI_MODE_NIGHT_MASK |
| val uiModeChanged = uiMode != this.uiMode |
| if (density != this.density || fontScale != this.fontScale || |
| inCarMode && uiModeChanged) { |
| listeners.filterForEach({ this.listeners.contains(it) }) { |
| it.onDensityOrFontScaleChanged() |
| } |
| this.density = density |
| this.fontScale = fontScale |
| } |
| |
| val localeList = newConfig.locales |
| if (localeList != this.localeList) { |
| this.localeList = localeList |
| listeners.filterForEach({ this.listeners.contains(it) }) { |
| it.onLocaleListChanged() |
| } |
| } |
| |
| if (uiModeChanged) { |
| // We need to force the style re-evaluation to make sure that it's up to date |
| // and attrs were reloaded. |
| context.theme.applyStyle(context.themeResId, true) |
| |
| this.uiMode = uiMode |
| listeners.filterForEach({ this.listeners.contains(it) }) { |
| it.onUiModeChanged() |
| } |
| } |
| |
| if (lastConfig.updateFrom(newConfig) and ActivityInfo.CONFIG_ASSETS_PATHS != 0) { |
| listeners.filterForEach({ this.listeners.contains(it) }) { |
| it.onOverlayChanged() |
| } |
| } |
| } |
| |
| override fun addCallback(listener: ConfigurationController.ConfigurationListener) { |
| listeners.add(listener) |
| listener.onDensityOrFontScaleChanged() |
| } |
| |
| override fun removeCallback(listener: ConfigurationController.ConfigurationListener) { |
| listeners.remove(listener) |
| } |
| } |
| |
| // This could be done with a Collection.filter and Collection.forEach, but Collection.filter |
| // creates a new array to store them in and we really don't need that here, so this provides |
| // a little more optimized inline version. |
| inline fun <T> Collection<T>.filterForEach(f: (T) -> Boolean, execute: (T) -> Unit) { |
| forEach { |
| if (f.invoke(it)) { |
| execute.invoke(it) |
| } |
| } |
| } |