Add SafetyCenter entry to Settings.

Test: atest SettingsUnitTests
Bug: 204978295
Change-Id: I9bedb58ad740b4ee76620e04675a0aefa659566a

res/drawable/ic_settings_safety_center.xml

@@ -0,0 +1,29 @@
+<!--
+  ~ Copyright (C) 2021 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.
+  -->
+<!-- TODO(b/208624929): Update to an UX approved icon. -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="24"
+    android:viewportWidth="24"
+    android:tint="?android:attr/colorControlNormal">
+    <path
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M12,15m-2,0a2,2 0,1 1,4 0a2,2 0,1 1,-4 0"/>
+    <path
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M18.5,1C16.01,1 14,3.01 14,5.5V8H6c-1.1,0 -2,0.9 -2,2v10c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2V10c0,-1.1 -0.9,-2 -2,-2h-2V5.5C16,4.12 17.12,3 18.5,3C19.88,3 21,4.12 21,5.5V6h2V5.5C23,3.01 20.99,1 18.5,1zM18,10v10H6V10H18z"/>
+</vector>

res/values/menu_keys.xml

@@ -26,6 +26,7 @@
     <string name="menu_key_display" translatable="false">top_level_display</string>
     <string name="menu_key_wallpaper" translatable="false">top_level_wallpaper</string>
     <string name="menu_key_accessibility" translatable="false">top_level_accessibility</string>
+    <string name="menu_key_safety_center" translatable="false">top_level_safety_center</string>
     <string name="menu_key_security" translatable="false">top_level_security</string>
     <string name="menu_key_privacy" translatable="false">top_level_privacy</string>
     <string name="menu_key_location" translatable="false">top_level_location</string>

res/values/strings.xml

@@ -722,6 +722,12 @@
     <string name="security_status_title">Security status</string>
     <!-- Summary for Security settings, explaining a few important settings under it [CHAR LIMIT=NONE] -->
     <string name="security_dashboard_summary">Screen lock, Find My Device, app security</string>
+    <!-- TODO(b/208624929): Update to an UX approved title and char limit. -->
+    <!-- Main Settings screen setting title for the item that takes you to the safety center [CHAR LIMIT=60] -->
+    <string name="safety_center_title">Security &amp; privacy</string>
+    <!-- TODO(b/208624929): Update to an UX approved summary and char limit. -->
+    <!-- Main Settings screen setting summary for the item that takes you to the safety center [CHAR LIMIT=60] -->
+    <string name="safety_center_summary">Permissions, screen lock, app security</string>
 
     <!-- Face enrollment and settings --><skip />
     <!-- Note: Update FaceEnrollParentalConsent.CONSENT_STRING_RESOURCES when any _consent_ strings are added or removed. -->

res/xml/top_level_settings.xml

@@ -116,6 +116,15 @@
         settings:highlightableMenuKey="@string/menu_key_accessibility"
         settings:controller="com.android.settings.accessibility.TopLevelAccessibilityPreferenceController"/>
 
+    <com.android.settings.widget.HomepagePreference
+        android:icon="@drawable/ic_settings_safety_center"
+        android:key="top_level_safety_center"
+        android:order="-55"
+        android:title="@string/safety_center_title"
+        android:summary="@string/safety_center_summary"
+        settings:highlightableMenuKey="@string/menu_key_safety_center"
+        settings:controller="com.android.settings.safetycenter.TopLevelSafetyCenterEntryPreferenceController"/>
+
     <com.android.settings.widget.HomepagePreference
         android:fragment="com.android.settings.security.SecuritySettings"
         android:icon="@drawable/ic_settings_security_white"

src/com/android/settings/safetycenter/SafetyCenterStatus.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2021 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.safetycenter;
+
+import android.provider.DeviceConfig;
+
+import com.android.internal.annotations.VisibleForTesting;
+
+/** Knows whether safety center is enabled or disabled. */
+public class SafetyCenterStatus {
+
+    /** Whether SafetyCenter page is enabled. */
+    @VisibleForTesting
+    static final String SAFETY_CENTER_IS_ENABLED = "safety_center_is_enabled";
+
+    /** Returns true is SafetyCenter page is enabled, false otherwise. */
+    public static boolean isEnabled() {
+        // TODO(b/208625216): use SafetyManager API instead
+        return DeviceConfig.getBoolean(
+                DeviceConfig.NAMESPACE_PRIVACY, SAFETY_CENTER_IS_ENABLED, false);
+    }
+}

src/com/android/settings/safetycenter/TopLevelSafetyCenterEntryPreferenceController.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2021 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.safetycenter;
+
+import android.content.ActivityNotFoundException;
+import android.content.Context;
+import android.content.Intent;
+import android.text.TextUtils;
+import android.util.Log;
+
+import androidx.preference.Preference;
+
+import com.android.settings.core.BasePreferenceController;
+
+/** Controller for the SafetyCenter entry in top level Settings. */
+public class TopLevelSafetyCenterEntryPreferenceController extends BasePreferenceController {
+
+    private static final String TAG = "TopLevelSafetyCenterEntryPreferenceController";
+
+    public TopLevelSafetyCenterEntryPreferenceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        if (SafetyCenterStatus.isEnabled()) {
+            return AVAILABLE;
+        }
+        return CONDITIONALLY_UNAVAILABLE;
+    }
+
+    @Override
+    public boolean handlePreferenceTreeClick(Preference preference) {
+        if (!TextUtils.equals(preference.getKey(), getPreferenceKey())) {
+            return super.handlePreferenceTreeClick(preference);
+        }
+
+        try {
+            mContext.startActivity(new Intent(Intent.ACTION_SAFETY_CENTER));
+        } catch (ActivityNotFoundException e) {
+            Log.e(TAG, "Unable to open safety center", e);
+            return false;
+        }
+        return true;
+    }
+}

tests/unit/src/com/android/settings/safetycenter/SafetyCenterStatusTest.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2021 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.safetycenter;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.provider.DeviceConfig;
+import android.provider.Settings;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class SafetyCenterStatusTest {
+
+    @Before
+    public void setUp() {
+        DeviceConfig.resetToDefaults(Settings.RESET_MODE_PACKAGE_DEFAULTS,
+                DeviceConfig.NAMESPACE_PRIVACY);
+    }
+
+    @After
+    public void tearDown() {
+        DeviceConfig.resetToDefaults(Settings.RESET_MODE_PACKAGE_DEFAULTS,
+                DeviceConfig.NAMESPACE_PRIVACY);
+    }
+
+    @Test
+    public void isEnabled_whenFlagTrue_returnsTrue() {
+        DeviceConfig.setProperty(
+                DeviceConfig.NAMESPACE_PRIVACY,
+                SafetyCenterStatus.SAFETY_CENTER_IS_ENABLED,
+                /* value = */ Boolean.toString(true),
+                /* makeDefault = */ false);
+
+        assertThat(SafetyCenterStatus.isEnabled()).isTrue();
+    }
+
+    @Test
+    public void isEnabled_whenFlagFalse_returnsFalse() {
+        DeviceConfig.setProperty(
+                DeviceConfig.NAMESPACE_PRIVACY,
+                SafetyCenterStatus.SAFETY_CENTER_IS_ENABLED,
+                /* value = */ Boolean.toString(false),
+                /* makeDefault = */ false);
+
+        assertThat(SafetyCenterStatus.isEnabled()).isFalse();
+    }
+}

tests/unit/src/com/android/settings/safetycenter/TopLevelSafetyCenterEntryPreferenceControllerTest.java

@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2021 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.safetycenter;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.verify;
+
+import android.content.ActivityNotFoundException;
+import android.content.Context;
+import android.content.Intent;
+import android.provider.DeviceConfig;
+import android.provider.Settings;
+
+import androidx.preference.Preference;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class TopLevelSafetyCenterEntryPreferenceControllerTest {
+
+    private static final String PREFERENCE_KEY = "top_level_safety_center";
+
+    private TopLevelSafetyCenterEntryPreferenceController
+            mTopLevelSafetyCenterEntryPreferenceController;
+    private Preference mPreference;
+
+    @Mock
+    private Context mContext;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mPreference = new Preference(ApplicationProvider.getApplicationContext());
+        mPreference.setKey(PREFERENCE_KEY);
+
+        doNothing().when(mContext).startActivity(any(Intent.class));
+        mTopLevelSafetyCenterEntryPreferenceController =
+                new TopLevelSafetyCenterEntryPreferenceController(mContext, PREFERENCE_KEY);
+        DeviceConfig.resetToDefaults(Settings.RESET_MODE_PACKAGE_DEFAULTS,
+                DeviceConfig.NAMESPACE_PRIVACY);
+    }
+
+    @After
+    public void tearDown() {
+        DeviceConfig.resetToDefaults(Settings.RESET_MODE_PACKAGE_DEFAULTS,
+                DeviceConfig.NAMESPACE_PRIVACY);
+    }
+
+    @Test
+    public void handlePreferenceTreeClick_forDifferentPreferenceKey_isNotHandled() {
+        Preference preference = new Preference(ApplicationProvider.getApplicationContext());
+        preference.setKey("some_other_preference");
+
+        boolean preferenceHandled =
+                mTopLevelSafetyCenterEntryPreferenceController.handlePreferenceTreeClick(
+                        preference);
+
+        assertThat(preferenceHandled).isFalse();
+    }
+
+    @Test
+    public void handlePreferenceTreeClick_launchesIntendedIntent() {
+        final ArgumentCaptor<Intent> intentCaptor = ArgumentCaptor.forClass(Intent.class);
+
+        boolean preferenceHandled = mTopLevelSafetyCenterEntryPreferenceController
+                .handlePreferenceTreeClick(mPreference);
+
+        assertThat(preferenceHandled).isTrue();
+        verify(mContext).startActivity(intentCaptor.capture());
+        assertThat(intentCaptor.getValue().getAction()).isEqualTo(Intent.ACTION_SAFETY_CENTER);
+    }
+
+    @Test
+    public void handlePreferenceTreeClick_onStartActivityThrows_returnsFalse() {
+        doThrow(ActivityNotFoundException.class)
+                .when(mContext).startActivity(any(Intent.class));
+
+        boolean preferenceHandled = mTopLevelSafetyCenterEntryPreferenceController
+                .handlePreferenceTreeClick(mPreference);
+
+        assertThat(preferenceHandled).isFalse();
+    }
+
+    @Test
+    public void getAvailabilityStatus_whenSafetyCenterDisabled_returnsUnavailable() {
+        DeviceConfig.setProperty(
+                DeviceConfig.NAMESPACE_PRIVACY,
+                SafetyCenterStatus.SAFETY_CENTER_IS_ENABLED,
+                /* value = */ Boolean.toString(false),
+                /* makeDefault = */ false);
+
+        assertThat(mTopLevelSafetyCenterEntryPreferenceController.getAvailabilityStatus())
+                .isEqualTo(TopLevelSafetyCenterEntryPreferenceController.CONDITIONALLY_UNAVAILABLE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_whenSafetyCenterEnabled_returnsAvailable() {
+        DeviceConfig.setProperty(
+                DeviceConfig.NAMESPACE_PRIVACY,
+                SafetyCenterStatus.SAFETY_CENTER_IS_ENABLED,
+                /* value = */ Boolean.toString(true),
+                /* makeDefault = */ false);
+
+        assertThat(mTopLevelSafetyCenterEntryPreferenceController.getAvailabilityStatus())
+                .isEqualTo(TopLevelSafetyCenterEntryPreferenceController.AVAILABLE);
+    }
+}