[Catalyst] Migrate "Screen attention"

Bug: 368359967
Flag: com.android.settings.flags.catalyst_screen_timeout
Test: devtool
Change-Id: I3c990e8cb6d1414395408b884616574cd6130f81

src/com/android/settings/display/AdaptiveSleepPreference.kt

@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2024 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.settings.display
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import android.hardware.SensorPrivacyManager
+import android.hardware.SensorPrivacyManager.OnSensorPrivacyChangedListener
+import android.hardware.SensorPrivacyManager.Sensors.CAMERA
+import android.os.PowerManager
+import android.os.UserManager
+import android.provider.Settings
+import com.android.settings.PreferenceRestrictionMixin
+import com.android.settings.R
+import com.android.settingslib.RestrictedSwitchPreference
+import com.android.settingslib.datastore.KeyValueStore
+import com.android.settingslib.datastore.KeyedObservableDelegate
+import com.android.settingslib.datastore.SettingsSecureStore
+import com.android.settingslib.datastore.SettingsStore
+import com.android.settingslib.metadata.PreferenceAvailabilityProvider
+import com.android.settingslib.metadata.PreferenceLifecycleContext
+import com.android.settingslib.metadata.PreferenceLifecycleProvider
+import com.android.settingslib.metadata.ReadWritePermit
+import com.android.settingslib.metadata.TwoStatePreference
+import com.android.settingslib.preference.PreferenceBindingPlaceholder
+import com.android.settingslib.preference.SwitchPreferenceBinding
+
+// LINT.IfChange
+class AdaptiveSleepPreference :
+    TwoStatePreference,
+    SwitchPreferenceBinding,
+    PreferenceLifecycleProvider,
+    PreferenceBindingPlaceholder, // not needed once controller class is cleaned up
+    PreferenceAvailabilityProvider,
+    PreferenceRestrictionMixin {
+
+    private var broadcastReceiver: BroadcastReceiver? = null
+    private var sensorPrivacyChangedListener: OnSensorPrivacyChangedListener? = null
+
+    override val key: String
+        get() = KEY
+
+    override val title: Int
+        get() = R.string.adaptive_sleep_title
+
+    override val summary: Int
+        get() = R.string.adaptive_sleep_description
+
+    override fun isIndexable(context: Context) = false
+
+    override fun isEnabled(context: Context) =
+        super<PreferenceRestrictionMixin>.isEnabled(context) && context.canBeEnabled()
+
+    override val restrictionKeys: Array<String>
+        get() = arrayOf(UserManager.DISALLOW_CONFIG_SCREEN_TIMEOUT)
+
+    override fun isAvailable(context: Context) = context.isAdaptiveSleepSupported()
+
+    override fun createWidget(context: Context) = RestrictedSwitchPreference(context)
+
+    override fun storage(context: Context): KeyValueStore = Storage(context)
+
+    override fun getReadPermit(context: Context, myUid: Int, callingUid: Int) =
+        ReadWritePermit.ALLOW
+
+    override fun getWritePermit(context: Context, value: Boolean?, myUid: Int, callingUid: Int) =
+        ReadWritePermit.ALLOW
+
+    @Suppress("UNCHECKED_CAST")
+    private class Storage(
+        private val context: Context,
+        private val settingsStore: SettingsStore = SettingsSecureStore.get(context),
+    ) : KeyedObservableDelegate<String>(settingsStore), KeyValueStore {
+
+        override fun contains(key: String) = settingsStore.contains(key)
+
+        override fun <T : Any> getValue(key: String, valueType: Class<T>) =
+            (context.canBeEnabled() && settingsStore.getBoolean(key) == true) as T
+
+        override fun <T : Any> setValue(key: String, valueType: Class<T>, value: T?) =
+            settingsStore.setBoolean(key, value as Boolean?)
+    }
+
+    override fun onStart(context: PreferenceLifecycleContext) {
+        val receiver =
+            object : BroadcastReceiver() {
+                override fun onReceive(receiverContext: Context, intent: Intent) {
+                    context.notifyPreferenceChange(this@AdaptiveSleepPreference)
+                }
+            }
+        context.registerReceiver(
+            receiver,
+            IntentFilter(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED),
+        )
+        broadcastReceiver = receiver
+
+        val listener = OnSensorPrivacyChangedListener { _, _ ->
+            context.notifyPreferenceChange(this)
+        }
+        SensorPrivacyManager.getInstance(context).addSensorPrivacyListener(CAMERA, listener)
+        sensorPrivacyChangedListener = listener
+    }
+
+    override fun onStop(context: PreferenceLifecycleContext) {
+        broadcastReceiver?.let { context.unregisterReceiver(it) }
+        sensorPrivacyChangedListener?.let {
+            SensorPrivacyManager.getInstance(context).removeSensorPrivacyListener(it)
+        }
+    }
+
+    companion object {
+        const val KEY = Settings.Secure.ADAPTIVE_SLEEP
+
+        @Suppress("DEPRECATION")
+        private fun Context.canBeEnabled() =
+            AdaptiveSleepPreferenceController.hasSufficientPermission(packageManager) &&
+                getSystemService(PowerManager::class.java)?.isPowerSaveMode != true &&
+                !SensorPrivacyManager.getInstance(this).isSensorPrivacyEnabled(CAMERA)
+    }
+}
+// LINT.ThenChange(AdaptiveSleepPreferenceController.java)