Merge "Add SafeSites related content filters preference." into main

res/values/strings.xml

@@ -14300,6 +14300,14 @@ Data usage charges may apply.</string>
     <string name="supervision_add_forgot_pin_preference_title">Forgot PIN</string>
     <!-- Title for web content filters entry [CHAR LIMIT=60] -->
     <string name="supervision_web_content_filters_title">Web content filters</string>
+    <!-- Title for web content filters browser category [CHAR LIMIT=60] -->
+    <string name="supervision_web_content_filters_browser_title">Google Chrome and Web</string>
+    <!-- Title for web content filters browser category block explicit sites option [CHAR LIMIT=60] -->
+    <string name="supervision_web_content_filters_browser_block_explicit_sites_title">Try to block explicit sites</string>
+    <!-- Summary for web content filters browser category block explicit sites option [CHAR LIMIT=None] -->
+    <string name="supervision_web_content_filters_browser_block_explicit_sites_summary">No filter is perfect, but this should help hide sexually explicit sites</string>
+    <!-- Title for web content filters browser category allow all sites option [CHAR LIMIT=60] -->
+    <string name="supervision_web_content_filters_browser_allow_all_sites_title">Allow all sites</string>
     <!-- Generic content description that is attached to the preview illustration at the top of an Accessibility feature toggle page. [CHAR LIMIT=NONE] -->
     <string name="accessibility_illustration_content_description"><xliff:g id="feature" example="Select to Speak">%1$s</xliff:g> animation</string>
 </resources>

src/com/android/settings/supervision/SupervisionSafeSitesPreference.kt

@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2025 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.supervision
+
+import android.content.Context
+import androidx.preference.Preference
+import com.android.settings.R
+import com.android.settingslib.datastore.KeyValueStore
+import com.android.settingslib.datastore.Permissions
+import com.android.settingslib.datastore.SettingsSecureStore
+import com.android.settingslib.metadata.BooleanValuePreference
+import com.android.settingslib.metadata.PreferenceMetadata
+import com.android.settingslib.metadata.ReadWritePermit
+import com.android.settingslib.metadata.SensitivityLevel
+import com.android.settingslib.preference.PreferenceBinding
+import com.android.settingslib.preference.forEachRecursively
+import com.android.settingslib.widget.SelectorWithWidgetPreference
+
+/** Base class of web content filters Safe sites preferences. */
+sealed class SupervisionSafeSitesPreference :
+    BooleanValuePreference, SelectorWithWidgetPreference.OnClickListener, PreferenceBinding {
+    override fun storage(context: Context): KeyValueStore = SettingsSecureStore.get(context)
+
+    override fun getReadPermissions(context: Context) = Permissions.EMPTY
+
+    override fun getWritePermissions(context: Context) = Permissions.EMPTY
+
+    override fun getReadPermit(context: Context, callingPid: Int, callingUid: Int) =
+        ReadWritePermit.ALLOW
+
+    override fun getWritePermit(
+        context: Context,
+        value: Boolean?,
+        callingPid: Int,
+        callingUid: Int,
+    ) = ReadWritePermit.DISALLOW
+
+    override val sensitivityLevel
+        get() = SensitivityLevel.NO_SENSITIVITY
+
+    override fun createWidget(context: Context) = SelectorWithWidgetPreference(context)
+
+    override fun onRadioButtonClicked(emiter: SelectorWithWidgetPreference) {
+        emiter.parent?.forEachRecursively {
+            if (it is SelectorWithWidgetPreference) {
+                it.isChecked = it == emiter
+            }
+        }
+    }
+
+    override fun bind(preference: Preference, metadata: PreferenceMetadata) {
+        super.bind(preference, metadata)
+        (preference as SelectorWithWidgetPreference).also {
+            // TODO(b/401568468): Set the isChecked value using stored values.
+            it.isChecked = (it.key == SupervisionAllowAllSitesPreference.KEY)
+            it.setOnClickListener(this)
+        }
+    }
+}
+
+/** The "Try to block explicit sites" preference. */
+class SupervisionBlockExplicitSitesPreference : SupervisionSafeSitesPreference() {
+
+    override val key
+        get() = KEY
+
+    override val title
+        get() = R.string.supervision_web_content_filters_browser_block_explicit_sites_title
+
+    override val summary
+        get() = R.string.supervision_web_content_filters_browser_block_explicit_sites_summary
+
+    companion object {
+        const val KEY = "web_content_filters_browser_block_explicit_sites"
+    }
+}
+
+/** The "Allow all sites" preference. */
+class SupervisionAllowAllSitesPreference : SupervisionSafeSitesPreference() {
+
+    override val key
+        get() = KEY
+
+    override val title
+        get() = R.string.supervision_web_content_filters_browser_allow_all_sites_title
+
+    companion object {
+        const val KEY = "web_content_filters_browser_allow_all_sites"
+    }
+}

src/com/android/settings/supervision/SupervisionWebContentFiltersScreen.kt

@@ -18,6 +18,7 @@ package com.android.settings.supervision
 import android.app.supervision.flags.Flags
 import android.content.Context
 import com.android.settings.R
+import com.android.settingslib.metadata.PreferenceCategory
 import com.android.settingslib.metadata.ProvidePreferenceScreen
 import com.android.settingslib.metadata.preferenceHierarchy
 import com.android.settingslib.preference.PreferenceScreenCreator
@@ -41,10 +42,19 @@ class SupervisionWebContentFiltersScreen : PreferenceScreenCreator {
 
     override fun getPreferenceHierarchy(context: Context) =
         preferenceHierarchy(context, this) {
-            // TODO(b/395134536) implement the screen.
+            +PreferenceCategory(
+                BROWSER_RADIO_BUTTON_GROUP,
+                R.string.supervision_web_content_filters_browser_title,
+            ) +=
+                {
+                    +SupervisionBlockExplicitSitesPreference()
+                    +SupervisionAllowAllSitesPreference()
+                }
+            // TODO(b/401569571) implement the SafeSearch group.
         }
 
     companion object {
         const val KEY = "supervision_web_content_filters"
+        internal const val BROWSER_RADIO_BUTTON_GROUP = "browser_radio_button_group"
     }
 }

tests/robotests/src/com/android/settings/supervision/SupervisionSafeSitesPreferenceTest.kt

@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2025 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.supervision
+
+import android.content.Context
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.android.settings.R
+import com.google.common.truth.Truth.assertThat
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class SupervisionSafeSitesPreferenceTest {
+    private val context: Context = ApplicationProvider.getApplicationContext()
+
+    private val allowAllSitesPreference = SupervisionAllowAllSitesPreference()
+
+    private val blockExplicitSitesPreference = SupervisionBlockExplicitSitesPreference()
+
+    @Test
+    fun getTitle_allowAllSites() {
+        assertThat(allowAllSitesPreference.title)
+            .isEqualTo(R.string.supervision_web_content_filters_browser_allow_all_sites_title)
+    }
+
+    @Test
+    fun getTitle_blockExplicitSites() {
+        assertThat(blockExplicitSitesPreference.title)
+            .isEqualTo(R.string.supervision_web_content_filters_browser_block_explicit_sites_title)
+    }
+
+    @Test
+    fun getSummary_blockExplicitSites() {
+        assertThat(blockExplicitSitesPreference.summary)
+            .isEqualTo(
+                R.string.supervision_web_content_filters_browser_block_explicit_sites_summary
+            )
+    }
+}