Add WEPNetworksPreferenceController.

        settings:keywords="@string/keywords_wifi_notify_open_networks"

        settings:controller="com.android.settings.wifi.NotifyOpenNetworksPreferenceController"/>

    <com.android.settings.spa.preference.ComposePreference

        android:key="allow_wep_networks"

        android:title="@string/wifi_allow_wep_networks"

        settings:controller="com.android.settings.wifi.WepNetworksPreferenceController"/>

    <SwitchPreferenceCompat

        android:key="wifi_cellular_data_fallback"

        android:title="@string/wifi_cellular_data_fallback_title"

/*

 * 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.wifi

import android.content.Context

import android.net.wifi.WifiManager

import androidx.compose.runtime.Composable

import androidx.compose.runtime.getValue

import androidx.compose.ui.res.stringResource

import androidx.lifecycle.compose.collectAsStateWithLifecycle

import androidx.preference.Preference

import androidx.preference.PreferenceScreen

import com.android.settings.R

import com.android.settings.spa.preference.ComposePreferenceController

import com.android.settingslib.spa.framework.compose.OverridableFlow

import com.android.settingslib.spa.widget.preference.SwitchPreference

import com.android.settingslib.spa.widget.preference.SwitchPreferenceModel

import com.android.wifi.flags.Flags

import kotlinx.coroutines.Dispatchers

import kotlinx.coroutines.asExecutor

import kotlinx.coroutines.channels.awaitClose

import kotlinx.coroutines.flow.callbackFlow

/** Controller that controls whether the Wi-Fi Wakeup feature should be enabled. */

class WepNetworksPreferenceController(context: Context, preferenceKey: String) :

    ComposePreferenceController(context, preferenceKey) {

    private lateinit var preference: Preference

    var wifiManager = context.getSystemService(WifiManager::class.java)!!

    override fun displayPreference(screen: PreferenceScreen) {

        super.displayPreference(screen)

        preference = screen.findPreference(preferenceKey)!!

    }

    override fun getAvailabilityStatus() = if (Flags.wepUsage()) AVAILABLE

    else UNSUPPORTED_ON_DEVICE

    @Composable

    override fun Content() {

        val checked by wepAllowedFlow.flow.collectAsStateWithLifecycle(initialValue = null)

        SwitchPreference(object : SwitchPreferenceModel {

            override val title = stringResource(R.string.wifi_allow_wep_networks)

            override val summary = { getSummary() }

            override val checked = { checked }

            override val changeable: () -> Boolean

                get() = { carrierAllowed }

            override val onCheckedChange: (Boolean) -> Unit = { newChecked ->

                wifiManager.setWepAllowed(newChecked)

                wepAllowedFlow.override(newChecked)

            }

        })

    }

    override fun getSummary(): String = mContext.getString(

        if (carrierAllowed) {

            R.string.wifi_allow_wep_networks_summary

        } else {

            R.string.wifi_allow_wep_networks_summary_carrier_not_allow

        }

    )

    private val carrierAllowed: Boolean

        get() = wifiManager.isWepSupported

    val wepAllowedFlow = OverridableFlow(callbackFlow {

        wifiManager.queryWepAllowed(Dispatchers.Default.asExecutor(), ::trySend)

        awaitClose { }

    })

}

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/*

 * 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.wifi

import android.content.Context

import android.net.wifi.WifiManager

import androidx.compose.ui.test.assertIsOff

import androidx.compose.ui.test.assertIsOn

import androidx.compose.ui.test.junit4.createComposeRule

import androidx.compose.ui.test.onNodeWithText

import androidx.compose.ui.test.onRoot

import androidx.compose.ui.test.performClick

import androidx.preference.PreferenceManager

import androidx.test.core.app.ApplicationProvider

import androidx.test.ext.junit.runners.AndroidJUnit4

import com.android.settings.R

import com.android.settings.spa.preference.ComposePreference

import java.util.function.Consumer

import org.junit.Before

import org.junit.Rule

import org.junit.Test

import org.junit.runner.RunWith

import org.mockito.kotlin.any

import org.mockito.kotlin.doAnswer

import org.mockito.kotlin.doReturn

import org.mockito.kotlin.mock

import org.mockito.kotlin.spy

@RunWith(AndroidJUnit4::class)

class WepNetworksPreferenceControllerTest {

    @get:Rule

    val composeTestRule = createComposeRule()

    private var wepAllowed = true

    private val mockWifiManager = mock<WifiManager> {

        on { queryWepAllowed(any(), any()) } doAnswer {

            @Suppress("UNCHECKED_CAST")

            val consumer = it.arguments[1] as Consumer<Boolean>

            consumer.accept(wepAllowed)

        }

        on { it.isWepSupported } doReturn true

    }

    private var context: Context =

        spy(ApplicationProvider.getApplicationContext()) {

            on { getSystemService(WifiManager::class.java) } doReturn mockWifiManager

        }

    private var controller = WepNetworksPreferenceController(context, TEST_KEY)

    private val preference = ComposePreference(context).apply { key = TEST_KEY }

    private val preferenceScreen = PreferenceManager(context).createPreferenceScreen(context)

    @Before

    fun setUp() {

        preferenceScreen.addPreference(preference)

        controller.displayPreference(preferenceScreen)

    }

    @Test

    fun wepAllowedTrue_turnOn() {

        wepAllowed = true

        composeTestRule.setContent {

            controller.Content()

        }

        composeTestRule.onNodeWithText(context.getString(R.string.wifi_allow_wep_networks))

            .assertIsOn()

    }

    @Test

    fun wepAllowedFalse_turnOff() {

        wepAllowed = false

        composeTestRule.setContent {

            controller.Content()

        }

        composeTestRule.onNodeWithText(context.getString(R.string.wifi_allow_wep_networks))

            .assertIsOff()

    }

    @Test

    fun onClick_turnOn() {

        wepAllowed = false

        composeTestRule.setContent {

            controller.Content()

        }

        composeTestRule.onRoot().performClick()

        composeTestRule.onNodeWithText(context.getString(R.string.wifi_allow_wep_networks))

            .assertIsOn()

    }

    @Test

    fun onClick_turnOff() {

        wepAllowed = true

        composeTestRule.setContent {

            controller.Content()

        }

        composeTestRule.onRoot().performClick()

        composeTestRule.onNodeWithText(context.getString(R.string.wifi_allow_wep_networks))

            .assertIsOff()

    }

    private companion object {

        const val TEST_KEY = "test_key"

    }

}

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