1 /* <lambda>null2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.settings.security 17 18 import android.content.Context 19 import android.provider.Settings.Secure.LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS 20 import android.provider.Settings.Secure.LOCK_SCREEN_SHOW_NOTIFICATIONS 21 import com.android.settings.R 22 import com.android.settings.Settings.LockScreenSettingsActivity 23 import com.android.settings.display.AmbientDisplayAlwaysOnPreference 24 import com.android.settings.flags.Flags 25 import com.android.settings.notification.LockScreenNotificationPreferenceController 26 import com.android.settings.utils.makeLaunchIntent 27 import com.android.settingslib.datastore.AbstractKeyedDataObservable 28 import com.android.settingslib.datastore.HandlerExecutor 29 import com.android.settingslib.datastore.KeyedObserver 30 import com.android.settingslib.datastore.SettingsSecureStore 31 import com.android.settingslib.metadata.PreferenceChangeReason 32 import com.android.settingslib.metadata.PreferenceMetadata 33 import com.android.settingslib.metadata.PreferenceSummaryProvider 34 import com.android.settingslib.metadata.ProvidePreferenceScreen 35 import com.android.settingslib.metadata.preferenceHierarchy 36 import com.android.settingslib.preference.PreferenceScreenCreator 37 38 @ProvidePreferenceScreen(LockScreenPreferenceScreen.KEY) 39 open class LockScreenPreferenceScreen(private val context: Context) : 40 AbstractKeyedDataObservable<String>(), PreferenceScreenCreator, PreferenceSummaryProvider { 41 42 private val observer = 43 KeyedObserver<String> { _, _ -> notifyChange(KEY, PreferenceChangeReason.STATE) } 44 45 override val key: String 46 get() = KEY 47 48 override val title: Int 49 get() = R.string.lockscreen_settings_title 50 51 override val keywords: Int 52 get() = R.string.keywords_ambient_display_screen 53 54 override fun onFirstObserverAdded() { 55 val store = SettingsSecureStore.get(context) 56 val executor = HandlerExecutor.main 57 // update summary when lock screen notification settings are changed 58 store.addObserver(LOCK_SCREEN_SHOW_NOTIFICATIONS, observer, executor) 59 store.addObserver(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, observer, executor) 60 } 61 62 override fun onLastObserverRemoved() { 63 val store = SettingsSecureStore.get(context) 64 store.removeObserver(LOCK_SCREEN_SHOW_NOTIFICATIONS, observer) 65 store.removeObserver(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, observer) 66 } 67 68 override fun getSummary(context: Context): CharSequence? = 69 context.getString(LockScreenNotificationPreferenceController.getSummaryResource(context)) 70 71 override fun isFlagEnabled(context: Context) = Flags.catalystLockscreenFromDisplaySettings() 72 73 override fun hasCompleteHierarchy() = false 74 75 override fun fragmentClass() = LockscreenDashboardFragment::class.java 76 77 override fun getLaunchIntent(context: Context, metadata: PreferenceMetadata?) = 78 makeLaunchIntent(context, LockScreenSettingsActivity::class.java, metadata?.key) 79 80 override fun getPreferenceHierarchy(context: Context) = 81 preferenceHierarchy(context, this) { 82 +AmbientDisplayAlwaysOnPreference() 83 } 84 85 companion object { 86 const val KEY = "lockscreen_from_display_settings" 87 } 88 } 89