Files
app_Settings/src/com/android/settings/network/TetherPreferenceController.kt
Chaohui Wang 0664d3cc45 Clean up AllInOneTetherSettings
This project is not on-going.

Clean up to help improve latency.

Bug: 311604902
Test: manual - on Network & internet page
Test: robo test
Change-Id: I6addb92e5587206661d1b64bdc56473a85ba9c9f
2023-11-30 12:27:33 +08:00

95 lines
3.6 KiB
Kotlin

/*
* Copyright (C) 2023 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.network
import android.content.Context
import android.net.TetheringManager
import android.os.UserHandle
import android.os.UserManager
import androidx.annotation.StringRes
import androidx.annotation.VisibleForTesting
import androidx.lifecycle.Lifecycle
import androidx.lifecycle.LifecycleOwner
import androidx.lifecycle.lifecycleScope
import androidx.lifecycle.repeatOnLifecycle
import androidx.preference.Preference
import androidx.preference.PreferenceScreen
import com.android.settings.R
import com.android.settings.core.BasePreferenceController
import com.android.settingslib.RestrictedLockUtilsInternal
import com.android.settingslib.TetherUtil
import com.android.settingslib.Utils
import com.android.settingslib.spa.framework.util.collectLatestWithLifecycle
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
class TetherPreferenceController(context: Context, key: String) :
BasePreferenceController(context, key) {
private val tetheredRepository = TetheredRepository(context)
private val tetheringManager = mContext.getSystemService(TetheringManager::class.java)!!
private var preference: Preference? = null
override fun getAvailabilityStatus() =
if (TetherUtil.isTetherAvailable(mContext)) AVAILABLE else CONDITIONALLY_UNAVAILABLE
override fun displayPreference(screen: PreferenceScreen) {
super.displayPreference(screen)
preference = screen.findPreference(preferenceKey)
}
override fun onViewCreated(viewLifecycleOwner: LifecycleOwner) {
viewLifecycleOwner.lifecycleScope.launch {
viewLifecycleOwner.repeatOnLifecycle(Lifecycle.State.STARTED) {
getTitleResId()?.let { preference?.setTitle(it) }
}
}
tetheredRepository.tetheredTypesFlow().collectLatestWithLifecycle(viewLifecycleOwner) {
preference?.setSummary(getSummaryResId(it))
}
}
private suspend fun getTitleResId(): Int? = withContext(Dispatchers.Default) {
if (isTetherConfigDisallowed(mContext)) null
else Utils.getTetheringLabel(tetheringManager)
}
@VisibleForTesting
@StringRes
fun getSummaryResId(tetheredTypes: Set<Int>): Int {
val hotSpotOn = TetheringManager.TETHERING_WIFI in tetheredTypes
val tetherOn = tetheredTypes.any { it != TetheringManager.TETHERING_WIFI }
return when {
hotSpotOn && tetherOn -> R.string.tether_settings_summary_hotspot_on_tether_on
hotSpotOn -> R.string.tether_settings_summary_hotspot_on_tether_off
tetherOn -> R.string.tether_settings_summary_hotspot_off_tether_on
else -> R.string.tether_preference_summary_off
}
}
companion object {
@JvmStatic
fun isTetherConfigDisallowed(context: Context?): Boolean =
RestrictedLockUtilsInternal.checkIfRestrictionEnforced(
context, UserManager.DISALLOW_CONFIG_TETHERING, UserHandle.myUserId()
) != null
}
}