colors: Introduce Reality display engine [2/2]

Change-Id: Ib565b3ffaa8a5f5832d5a620961abffd754e2dfc
Signed-off-by: minaripenguin <minaripenguin@users.noreply.github.com>

res/values/evolution_arrays.xml

@@ -154,4 +154,17 @@
         <item>4</item>
         <item>5</item>
     </string-array>
+
+    <!-- Reality Display Engine -->
+    <string-array name="display_engine_mode_entries">
+        <item>@string/display_engine_default</item>
+        <item>@string/x_reality_engine_mode_title</item>
+        <item>@string/vivid_engine_mode_title</item>
+    </string-array>
+
+    <string-array name="display_engine_mode_values" translatable="false">
+        <item>0</item>
+        <item>1</item>
+        <item>2</item>
+    </string-array>
 </resources>

res/values/evolution_strings.xml

@@ -313,4 +313,12 @@
 
     <!-- Running services - Background processes tab -->
     <string name="background_processes_settings_title">Background processes</string>
+
+    <!-- Reality Display Engine -->
+    <string name="display_engine_category">Display engine</string>
+    <string name="display_engine_mode_title">Reality display engine</string>
+    <string name="x_reality_engine_mode_title">X-Reality engine</string>
+    <string name="vivid_engine_mode_title">Vivid display</string>
+    <string name="display_engine_default">Default</string>
+    <string name="display_engine_mode_footer_text">Inspired by Sony\'s Bravia/X-Reality engine, the Display Engine features Vivid mode for enhanced brightness and color saturation, and X-Reality mode for improved detail and color accuracy.</string>
 </resources>

res/xml/color_mode_settings.xml

@@ -17,4 +17,27 @@
 
 <PreferenceScreen
     xmlns:android="http://schemas.android.com/apk/res/android"
-    android:title="@string/color_mode_title" />
+    xmlns:settings="http://schemas.android.com/apk/res-auto"
+    android:title="@string/color_mode_title">
+
+    <PreferenceCategory
+        android:key="display_engine_category"
+        android:title="@string/display_engine_category"
+        android:order="100">
+
+        <org.evolution.settings.preferences.SecureSettingListPreference
+            android:key="display_engine_mode"
+            android:title="@string/display_engine_mode_title"
+            android:entries="@array/display_engine_mode_entries"
+            android:entryValues="@array/display_engine_mode_values"
+            android:summary="%s"
+            android:defaultValue="0" />
+
+        <com.android.settingslib.widget.FooterPreference
+            android:key="display_engine_mode_footer"
+            android:title="@string/display_engine_mode_footer_text"
+            android:selectable="false"
+            settings:searchable="false" />
+    </PreferenceCategory>
+
+</PreferenceScreen>

src/com/android/settings/display/ColorModePreferenceFragment.java

@@ -199,6 +199,16 @@ public class ColorModePreferenceFragment extends RadioButtonPickerFragment {
         updateIndicator(mViewPager.getCurrentItem());
     }
 
+    @Override
+    public void updateCandidates() {
+        super.updateCandidates();
+        PreferenceScreen screen = getPreferenceScreen();
+        if (ColorDisplayManager.isColorTransformAccelerated(screen.getContext())) {
+            getPreferenceManager().inflateFromResource(screen.getContext(), R.xml.color_mode_settings,
+                    screen);
+        }
+    }
+
     @Override
     protected void addStaticPreferences(PreferenceScreen screen) {
         final LayoutPreference preview = new LayoutPreference(screen.getContext(),