[Wi-Fi] Implement Wi-Fi Auto-connect feature

This feature allows users to specify if a Wi-Fi network
will be auto connected after disconnection.

Bug: 136472407
Test: make RunSettingsRoboTests ROBOTEST_FILTER=WifiAutoConnectPreferenceController2Test
Change-Id: I8a7c02ba3fc4cbfbfb431fa99c42279ca29e9492

res/values/strings.xml

@@ -2091,6 +2091,10 @@
     <string name="wifi_dpp_wifi_password">Wi\u2011Fi password: <xliff:g id="password" example="my password">%1$s</xliff:g></string>
     <!-- Hint for Wi-Fi hotspot password [CHAR LIMIT=50]  -->
     <string name="wifi_dpp_hotspot_password">Hotspot password: <xliff:g id="password" example="my password">%1$s</xliff:g></string>
+    <!-- Label for specifying if a Wi-Fi network supports auto connection [CHAR LIMIT=50]  -->
+    <string name="wifi_auto_connect_title">Auto\u2011connect</string>
+    <!-- Hint for Wi-Fi Auto-connect [CHAR LIMIT=NONE]  -->
+    <string name="wifi_auto_connect_summary">Allow connection to this network when in range</string>
     <!-- Label for "Use a QR code to add a device to this network" [CHAR LIMIT=50]  -->
     <string name="wifi_dpp_add_device">Add device</string>
     <!-- Hint for "Add device" [CHAR LIMIT=NONE]  -->

res/xml/wifi_network_details_fragment2.xml

@@ -0,0 +1,141 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2020 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.
+-->
+
+<PreferenceScreen
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:settings="http://schemas.android.com/apk/res-auto"
+    settings:initialExpandedChildrenCount="5">
+
+    <com.android.settingslib.widget.LayoutPreference
+        android:key="connection_header"
+        android:layout="@layout/settings_entity_header"
+        android:selectable="false"
+        android:order="-10000"
+        settings:allowDividerBelow="true"/>
+
+    <com.android.settings.datausage.DataUsageSummaryPreference
+        android:key="status_header"
+        android:selectable="false"
+        settings:isPreferenceVisible="false"/>
+
+    <!-- Buttons -->
+    <com.android.settingslib.widget.ActionButtonsPreference
+        android:key="buttons"
+        android:selectable="false" />
+
+    <!-- General Details Preferences -->
+    <Preference
+        android:key="signal_strength"
+        android:title="@string/wifi_signal"
+        android:selectable="false"
+        settings:allowDividerAbove="true"/>
+
+    <Preference
+        android:key="frequency"
+        android:icon="@drawable/ic_frequency_antenna"
+        android:title="@string/wifi_frequency"
+        android:selectable="false"/>
+
+    <Preference
+        android:key="security"
+        android:icon="@drawable/ic_security_lock_24dp"
+        android:title="@string/wifi_security"
+        android:selectable="false"/>
+
+    <DropDownPreference
+        android:key="metered"
+        android:icon="@drawable/ic_attach_money_black_24dp"
+        android:title="@string/wifi_metered_title"
+        android:entries="@array/wifi_metered_entries"
+        android:entryValues="@array/wifi_metered_values"/>
+
+    <DropDownPreference
+        android:key="privacy"
+        android:icon="@drawable/ic_wifi_privacy_24dp"
+        android:title="@string/wifi_privacy_settings"
+        android:entries="@array/wifi_privacy_entries"
+        android:entryValues="@array/wifi_privacy_values"/>
+
+    <SwitchPreference
+        android:key="auto_connect"
+        android:title="@string/wifi_auto_connect_title"
+        android:summary="@string/wifi_auto_connect_summary"
+        settings:allowDividerAbove="true"/>
+
+    <!-- Add device Preference -->
+    <Preference
+        android:key="add_device_to_network"
+        android:title="@string/wifi_dpp_add_device"
+        android:summary="@string/wifi_dpp_connect_network_using_qr_code"
+        settings:allowDividerAbove="true"/>
+
+    <!-- Network Details -->
+    <PreferenceCategory
+            android:key="ip_details_category"
+            android:title="@string/wifi_setup_detail">
+        <Preference
+                android:key="ssid"
+                android:title="@string/wifi_advanced_ssid_title"
+                android:selectable="false"
+                settings:enableCopying="true"/>
+        <Preference
+                android:key="mac_address"
+                android:title="@string/wifi_advanced_randomized_mac_address_title"
+                android:selectable="false"
+                settings:enableCopying="true"/>
+        <Preference
+                android:key="ip_address"
+                android:title="@string/wifi_ip_address"
+                android:selectable="false"
+                settings:enableCopying="true"/>
+        <Preference
+                android:key="gateway"
+                android:title="@string/wifi_gateway"
+                android:selectable="false"
+                settings:enableCopying="true"/>
+        <Preference
+                android:key="subnet_mask"
+                android:title="@string/wifi_details_subnet_mask"
+                android:selectable="false"
+                settings:enableCopying="true"/>
+        <Preference
+                android:key="dns"
+                android:title="@string/wifi_details_dns"
+                android:selectable="false"
+                settings:enableCopying="true"/>
+        <Preference
+                android:key="tx_link_speed"
+                android:title="@string/tx_wifi_speed"
+                android:selectable="false"
+                settings:enableCopying="true"/>
+        <Preference
+                android:key="rx_link_speed"
+                android:title="@string/rx_wifi_speed"
+                android:selectable="false"
+                settings:enableCopying="true"/>
+    </PreferenceCategory>
+
+    <!-- IPv6 Details -->
+    <PreferenceCategory
+            android:key="ipv6_category"
+            android:title="@string/wifi_details_ipv6_address_header"
+            android:selectable="false">
+        <Preference
+                android:key="ipv6_addresses"
+                android:selectable="false"
+                settings:enableCopying="true"/>
+    </PreferenceCategory>
+</PreferenceScreen>

src/com/android/settings/wifi/details2/WifiAutoConnectPreferenceController2.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2020 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.details2;
+
+import android.content.Context;
+
+import com.android.settings.core.TogglePreferenceController;
+import com.android.wifitrackerlib.WifiEntry;
+
+/**
+ * {@link TogglePreferenceController} that controls whether the Wi-Fi Auto-connect feature should be
+ * enabled.
+ */
+public class WifiAutoConnectPreferenceController2 extends TogglePreferenceController {
+
+    private static final String KEY_AUTO_CONNECT = "auto_connect";
+
+    private WifiEntry mWifiEntry;
+
+    public WifiAutoConnectPreferenceController2(Context context) {
+        super(context, KEY_AUTO_CONNECT);
+    }
+
+    public void setWifiEntry(WifiEntry wifiEntry) {
+        mWifiEntry = wifiEntry;
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return mWifiEntry.canSetAutoJoinEnabled() ? AVAILABLE : CONDITIONALLY_UNAVAILABLE;
+    }
+
+    @Override
+    public boolean isChecked() {
+        return mWifiEntry.isAutoJoinEnabled();
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        mWifiEntry.setAutoJoinEnabled(isChecked);
+        return true;
+    }
+}

src/com/android/settings/wifi/details2/WifiNetworkDetailsFragment2.java

@@ -91,7 +91,7 @@ public class WifiNetworkDetailsFragment2 extends DashboardFragment implements
 
     @Override
     protected int getPreferenceScreenResId() {
-        return R.xml.wifi_network_details_fragment;
+        return R.xml.wifi_network_details_fragment2;
     }
 
     @Override
@@ -155,6 +155,11 @@ public class WifiNetworkDetailsFragment2 extends DashboardFragment implements
                 mMetricsFeatureProvider);
         controllers.add(mWifiDetailPreferenceController2);
 
+        final WifiAutoConnectPreferenceController2 wifiAutoConnectPreferenceController2 =
+                new WifiAutoConnectPreferenceController2(context);
+        wifiAutoConnectPreferenceController2.setWifiEntry(wifiEntry);
+        controllers.add(wifiAutoConnectPreferenceController2);
+
         final AddDevicePreferenceController2 addDevicePreferenceController2 =
                 new AddDevicePreferenceController2(context);
         addDevicePreferenceController2.setWifiEntry(wifiEntry);

tests/robotests/assets/grandfather_slice_controller_not_in_xml

@@ -7,4 +7,5 @@ com.android.settings.network.telephony.Enhanced4gBasePreferenceController
 com.android.settings.testutils.FakeToggleController
 com.android.settings.testutils.FakeSliderController
 com.android.settings.testutils.FakeInvalidSliderController
+com.android.settings.wifi.details2.WifiAutoConnectPreferenceController2
 

tests/robotests/src/com/android/settings/wifi/details2/WifiAutoConnectPreferenceController2Test.java

@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2020 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.details2;
+
+import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+import static com.android.settings.core.BasePreferenceController.CONDITIONALLY_UNAVAILABLE;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import com.android.wifitrackerlib.WifiEntry;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class WifiAutoConnectPreferenceController2Test {
+
+    private WifiAutoConnectPreferenceController2 mController;
+    @Mock
+    private WifiEntry mWifiEntry;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mController = new WifiAutoConnectPreferenceController2(RuntimeEnvironment.application);
+        mController.setWifiEntry(mWifiEntry);
+    }
+
+    @Test
+    public void getAvailabilityStatus_shouldFollowCanSetAutoJoinEnabled() {
+        // Test able to set auto join.
+        when(mWifiEntry.canSetAutoJoinEnabled()).thenReturn(true);
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+
+        // Test not able to set auto join.
+        when(mWifiEntry.canSetAutoJoinEnabled()).thenReturn(false);
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(CONDITIONALLY_UNAVAILABLE);
+    }
+
+    @Test
+    public void isChecked_shouldFollowIsAutoJoinEnabled() {
+        // Test auto join enabled.
+        when(mWifiEntry.isAutoJoinEnabled()).thenReturn(true);
+
+        assertThat(mController.isChecked()).isTrue();
+
+        // Test auto join disabled.
+        when(mWifiEntry.isAutoJoinEnabled()).thenReturn(false);
+
+        assertThat(mController.isChecked()).isFalse();
+    }
+
+    @Test
+    public void setChecked_shouldSetAutoJoinEnabled() {
+        // Test checked.
+        mController.setChecked(true);
+
+        verify(mWifiEntry).setAutoJoinEnabled(true);
+
+        // Test unchecked.
+        mController.setChecked(false);
+
+        verify(mWifiEntry).setAutoJoinEnabled(false);
+    }
+}