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Commit 8f3d4dce authored by Chris Antol's avatar Chris Antol
Browse files

Provide read access for Location in Catalyst 

Allows Catalyst APIs to expose whether Location services are on or off (not sensitive information, already available through unprotected public API). Does not allow setting this value.

Bug: 406567465
Test: dump DeviceState via ADB
Flag: com.android.settings.flags.device_state
Flag: com.android.settings.flags.catalyst_location_settings
Change-Id: I27e3c7a46d5657ef494332871d5a2724db060a09
parent d311936f

src/com/android/settings/location/LocationScreen.kt

+54 −2
Original line number Diff line number Diff line
@@ -16,14 +16,22 @@ 
package com.android.settings.location



import android.content.Context

import android.content.Intent

import android.location.LocationManager

import com.android.settings.R

import com.android.settings.flags.Flags

import com.android.settingslib.datastore.KeyValueStore

import com.android.settingslib.datastore.NoOpKeyedObservable

import com.android.settingslib.metadata.BooleanValuePreference

import com.android.settingslib.metadata.PreferenceIconProvider

import com.android.settingslib.metadata.PreferenceMetadata

import com.android.settingslib.metadata.PreferenceSummaryProvider

import com.android.settingslib.metadata.ProvidePreferenceScreen

import com.android.settingslib.metadata.ReadWritePermit

import com.android.settingslib.metadata.SensitivityLevel

import com.android.settingslib.metadata.preferenceHierarchy

import com.android.settingslib.preference.PreferenceScreenCreator

import com.android.settingslib.widget.MainSwitchPreferenceBinding

import com.android.settingslib.widget.SettingsThemeHelper.isExpressiveTheme



@ProvidePreferenceScreen(LocationScreen.KEY)
@@ -37,6 +45,10 @@ class LocationScreen : PreferenceScreenCreator, PreferenceSummaryProvider, Prefe 
    override val keywords: Int

        get() = R.string.keywords_location



    override fun getLaunchIntent(context: Context, metadata: PreferenceMetadata?): Intent? {

        return Intent(android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS)

    }



    override fun getSummary(context: Context): CharSequence? {

        var locationManager = context.getSystemService(Context.LOCATION_SERVICE) as LocationManager

        return if (locationManager.isLocationEnabled) {
@@ -53,15 +65,55 @@ class LocationScreen : PreferenceScreenCreator, PreferenceSummaryProvider, Prefe 
            else -> R.drawable.ic_settings_location

        }



    override fun isFlagEnabled(context: Context) = Flags.catalystLocationSettings()

    override fun isFlagEnabled(context: Context) =

        Flags.catalystLocationSettings() || Flags.deviceState()



    override fun hasCompleteHierarchy() = false



    override fun fragmentClass() = LocationSettings::class.java



    override fun getPreferenceHierarchy(context: Context) = preferenceHierarchy(context, this) {}

    override fun getPreferenceHierarchy(context: Context) = preferenceHierarchy(context, this) {

        +LocationMainSwitch()

        // TODO(b/406567024): recent location access

    }



    companion object {

        const val KEY = "location_settings"

    }

}



private class LocationMainSwitch : BooleanValuePreference, MainSwitchPreferenceBinding {



    override val key: String

        get() = KEY



    override val title: Int

        get() = R.string.location_settings_primary_switch_title



    override val sensitivityLevel = SensitivityLevel.HIGH_SENSITIVITY



    override fun getWritePermit(context: Context, callingPid: Int, callingUid: Int) =

        ReadWritePermit.DISALLOW



    override fun storage(context: Context) = LocationStorage(context)



    companion object {

        const val KEY = "location_main_switch"

    }

}



private class LocationStorage(context: Context) : NoOpKeyedObservable<String>(), KeyValueStore {



    private val locationManager = context.getSystemService(LocationManager::class.java)



    override fun contains(key: String): Boolean = true



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

        return locationManager.isLocationEnabled as T

    }



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

        // Not implemented. This is a very sensitive setting which needs to be thoughtfully handled

        // if ever exposed to set through this API.

    }

}