Migrate DisplayScreen

Add the skeleton of the DisplayScreen

Test: atest DisplayScreenTest
Bug: 368359268
Flag: com.android.settings.flags.catalyst_display_settings_screen
Change-Id: I806504ae839ba0a53320fd94fb4fe21a52dc249b

src/com/android/settings/DisplaySettings.java

@@ -20,9 +20,13 @@ import android.app.settings.SettingsEnums;
 import android.content.Context;
 import android.os.Bundle;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.display.BrightnessLevelPreferenceController;
 import com.android.settings.display.CameraGesturePreferenceController;
+import com.android.settings.display.DisplayScreen;
 import com.android.settings.display.LiftToWakePreferenceController;
 import com.android.settings.display.ShowOperatorNamePreferenceController;
 import com.android.settings.display.TapToWakePreferenceController;
@@ -92,4 +96,10 @@ public class DisplaySettings extends DashboardFragment {
                     return buildPreferenceControllers(context, null);
                 }
             };
+
+    @Nullable
+    @Override
+    public String getPreferenceScreenBindingKey(@NonNull Context context) {
+        return DisplayScreen.KEY;
+    }
 }

src/com/android/settings/display/DisplayScreen.kt

@@ -0,0 +1,47 @@
+/*
+ * 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.display
+
+import android.content.Context
+import com.android.settings.DisplaySettings
+import com.android.settings.R
+import com.android.settings.flags.Flags
+import com.android.settingslib.metadata.PreferenceAvailabilityProvider
+import com.android.settingslib.metadata.ProvidePreferenceScreen
+import com.android.settingslib.metadata.preferenceHierarchy
+import com.android.settingslib.preference.PreferenceScreenCreator
+
+@ProvidePreferenceScreen
+class DisplayScreen : PreferenceScreenCreator, PreferenceAvailabilityProvider {
+    override val key: String
+        get() = KEY
+
+    override val title: Int
+        get() = R.string.display_settings
+
+    override fun isFlagEnabled(context: Context) = Flags.catalystDisplaySettingsScreen()
+
+    override fun fragmentClass() = DisplaySettings::class.java
+
+    override fun getPreferenceHierarchy(context: Context) = preferenceHierarchy(this) {}
+
+    override fun isAvailable(context: Context) =
+        context.resources.getBoolean(R.bool.config_show_top_level_display)
+
+    companion object {
+        const val KEY = "display_settings_screen"
+    }
+}

tests/robotests/src/com/android/settings/display/DisplayScreenTest.kt

@@ -0,0 +1,59 @@
+/*
+ * 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.display
+
+import android.content.ContextWrapper
+import android.content.res.Resources
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.google.common.truth.Truth.assertThat
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.ArgumentMatchers.anyInt
+import org.mockito.kotlin.doReturn
+import org.mockito.kotlin.mock
+import org.mockito.kotlin.stub
+
+@RunWith(AndroidJUnit4::class)
+class DisplayScreenTest {
+    val preferenceScreenCreator = DisplayScreen()
+
+    private val mockResources = mock<Resources>()
+
+    private val context =
+        object : ContextWrapper(ApplicationProvider.getApplicationContext()) {
+            override fun getResources(): Resources = mockResources
+        }
+
+    @Test
+    fun key() {
+        assertThat(preferenceScreenCreator.key).isEqualTo(DisplayScreen.KEY)
+    }
+
+    @Test
+    fun isAvailable_configTrue_shouldReturnTrue() {
+        mockResources.stub { on { getBoolean(anyInt()) } doReturn true }
+
+        assertThat(preferenceScreenCreator.isAvailable(context)).isTrue()
+    }
+
+    @Test
+    fun isAvailable_configFalse_shouldReturnFalse() {
+        mockResources.stub { on { getBoolean(anyInt()) } doReturn false }
+
+        assertThat(preferenceScreenCreator.isAvailable(context)).isFalse()
+    }
+}