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Commit 0dc50c45 authored by Fan Wu's avatar Fan Wu
Browse files

Update BatteryHeaderPreference with storage and read permit 

Bug: 372774754

Test: atest and devtool test
NO_IFTTT=initial implementation

Flag: com.android.settings.flags.catalyst_power_usage_summary_screen
Change-Id: Idcf2241ccd52b2a8f19c1bb22577d7551ea1bc56
parent 01043fdf

res/xml/power_usage_summary.xml

+0 −1
Original line number Diff line number Diff line
@@ -26,7 +26,6 @@ 
        android:title="@string/summary_placeholder"

        android:selectable="false"

        android:paddingBottom="0px"

        android:persistent="false"

        settings:controller="com.android.settings.fuelgauge.BatteryHeaderPreferenceController" />



    <com.android.settings.fuelgauge.BatteryHeaderTextPreference

src/com/android/settings/fuelgauge/BatteryHeaderPreference.kt

+41 −10
Original line number Diff line number Diff line
@@ -22,21 +22,27 @@ import androidx.preference.Preference 
import com.android.settings.R

import com.android.settings.fuelgauge.BatteryBroadcastReceiver.BatteryUpdateType.BATTERY_NOT_PRESENT

import com.android.settingslib.Utils

import com.android.settingslib.datastore.KeyValueStore

import com.android.settingslib.datastore.NoOpKeyedObservable

import com.android.settingslib.fuelgauge.BatteryUtils

import com.android.settingslib.metadata.PersistentPreference

import com.android.settingslib.metadata.PreferenceLifecycleContext

import com.android.settingslib.metadata.PreferenceLifecycleProvider

import com.android.settingslib.metadata.PreferenceMetadata

import com.android.settingslib.metadata.RangeValue

import com.android.settingslib.metadata.ReadWritePermit

import com.android.settingslib.preference.PreferenceBinding

import com.android.settingslib.widget.UsageProgressBarPreference



// LINT.IfChange

class BatteryHeaderPreference :

    PersistentPreference<Int>,

    PreferenceMetadata,

    PreferenceBinding,

    PreferenceLifecycleProvider {

    PreferenceLifecycleProvider,

    RangeValue {



    @VisibleForTesting

    var batteryBroadcastReceiver: BatteryBroadcastReceiver? = null

    @VisibleForTesting var batteryBroadcastReceiver: BatteryBroadcastReceiver? = null



    override val key: String

        get() = KEY
@@ -58,7 +64,8 @@ class BatteryHeaderPreference : 


    override fun onCreate(context: PreferenceLifecycleContext) {

        super.onCreate(context)

        batteryBroadcastReceiver = BatteryBroadcastReceiver(context).apply {

        batteryBroadcastReceiver =

            BatteryBroadcastReceiver(context).apply {

                setBatteryChangedListener {

                    if (it != BATTERY_NOT_PRESENT) {

                        context.notifyPreferenceChange(KEY)
@@ -69,14 +76,38 @@ class BatteryHeaderPreference : 


    override fun onStart(context: PreferenceLifecycleContext) {

        super.onStart(context)

        batteryBroadcastReceiver?.register();

        batteryBroadcastReceiver?.register()

    }



    override fun onStop(context: PreferenceLifecycleContext) {

        super.onStop(context)

        batteryBroadcastReceiver?.unRegister();

        batteryBroadcastReceiver?.unRegister()

    }



    override fun storage(context: Context): KeyValueStore =

        object : NoOpKeyedObservable<String>(), KeyValueStore {

            override fun contains(key: String) = BatteryUtils.getBatteryIntent(context) != null



            @Suppress("UNCHECKED_CAST")

            override fun <T : Any> getValue(key: String, valueType: Class<T>): T? {

                val batteryIntent = BatteryUtils.getBatteryIntent(context) ?: return null

                return Utils.getBatteryLevel(batteryIntent) as T

            }



            override fun <T : Any> setValue(key: String, valueType: Class<T>, value: T?) =

                throw UnsupportedOperationException()

        }



    override fun getMinValue(context: Context): Int = 0



    override fun getMaxValue(context: Context): Int = 100



    override fun getReadPermit(context: Context, myUid: Int, callingUid: Int) =

        ReadWritePermit.ALLOW



    override fun getWritePermit(context: Context, value: Int?, myUid: Int, callingUid: Int) =

        ReadWritePermit.DISALLOW



    companion object {

        private const val KEY = "battery_header"

        private const val BATTERY_MAX_LEVEL: Long = 100L