e731f7cce2
getAvailabilityStatus() is called in main thread, so we should avoid time consuming works in it. Fix: 377146536 Flag: EXEMPT bug fix Test: manual - on Network & internet Test: unit test Change-Id: Ib5ee19744cf164f91aa90be982f5fc5eead5d4d3
120 lines
4.4 KiB
Kotlin
120 lines
4.4 KiB
Kotlin
/*
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.network
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import android.content.Context
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import android.net.TetheringManager
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import android.os.UserHandle
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import android.os.UserManager
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import androidx.annotation.StringRes
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import androidx.annotation.VisibleForTesting
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import androidx.lifecycle.Lifecycle
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import androidx.lifecycle.LifecycleOwner
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import androidx.lifecycle.lifecycleScope
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import androidx.lifecycle.repeatOnLifecycle
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import androidx.preference.Preference
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import androidx.preference.PreferenceScreen
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import com.android.settings.R
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import com.android.settings.core.BasePreferenceController
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import com.android.settingslib.RestrictedLockUtilsInternal
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import com.android.settingslib.TetherUtil
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import com.android.settingslib.Utils
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import com.android.settingslib.spa.framework.util.collectLatestWithLifecycle
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.flow.conflate
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import kotlinx.coroutines.flow.distinctUntilChanged
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import kotlinx.coroutines.flow.flow
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import kotlinx.coroutines.flow.flowOn
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.withContext
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class TetherPreferenceController(
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context: Context,
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key: String,
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private val tetheredRepository: TetheredRepository = TetheredRepository(context),
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) : BasePreferenceController(context, key) {
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private val tetheringManager = mContext.getSystemService(TetheringManager::class.java)!!
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private var preference: Preference? = null
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private val isTetherAvailableFlow =
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flow { emit(TetherUtil.isTetherAvailable(mContext)) }
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.distinctUntilChanged()
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.conflate()
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.flowOn(Dispatchers.Default)
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/**
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* Always returns available here to avoid ANR.
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* - Actual UI visibility is handled in [onViewCreated].
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* - Search visibility is handled in [updateNonIndexableKeys].
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*/
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override fun getAvailabilityStatus() = AVAILABLE
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override fun displayPreference(screen: PreferenceScreen) {
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super.displayPreference(screen)
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preference = screen.findPreference(preferenceKey)
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}
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override fun onViewCreated(viewLifecycleOwner: LifecycleOwner) {
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isTetherAvailableFlow.collectLatestWithLifecycle(viewLifecycleOwner) {
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preference?.isVisible = it
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}
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viewLifecycleOwner.lifecycleScope.launch {
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viewLifecycleOwner.repeatOnLifecycle(Lifecycle.State.STARTED) {
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getTitleResId()?.let { preference?.setTitle(it) }
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}
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}
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tetheredRepository.tetheredTypesFlow().collectLatestWithLifecycle(viewLifecycleOwner) {
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preference?.setSummary(getSummaryResId(it))
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}
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}
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private suspend fun getTitleResId(): Int? = withContext(Dispatchers.Default) {
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if (isTetherConfigDisallowed(mContext)) null
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else Utils.getTetheringLabel(tetheringManager)
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}
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@VisibleForTesting
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@StringRes
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fun getSummaryResId(tetheredTypes: Set<Int>): Int {
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val hotSpotOn = TetheringManager.TETHERING_WIFI in tetheredTypes
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val tetherOn = tetheredTypes.any { it != TetheringManager.TETHERING_WIFI }
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return when {
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hotSpotOn && tetherOn -> R.string.tether_settings_summary_hotspot_on_tether_on
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hotSpotOn -> R.string.tether_settings_summary_hotspot_on_tether_off
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tetherOn -> R.string.tether_settings_summary_hotspot_off_tether_on
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else -> R.string.tether_preference_summary_off
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}
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}
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override fun updateNonIndexableKeys(keys: MutableList<String>) {
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if (!TetherUtil.isTetherAvailable(mContext)) {
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keys += preferenceKey
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}
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}
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companion object {
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@JvmStatic
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fun isTetherConfigDisallowed(context: Context?): Boolean =
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RestrictedLockUtilsInternal.checkIfRestrictionEnforced(
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context, UserManager.DISALLOW_CONFIG_TETHERING, UserHandle.myUserId()
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) != null
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}
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}
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