Add name to display device configuration.

Test: atest DisplayDeviceConfigTest
Change-Id: Ied07f3aac3cc865c9d94486d459f9e038039c4fb

services/core/java/com/android/server/display/DisplayDeviceConfig.java

@@ -88,6 +88,7 @@ import javax.xml.datatype.DatatypeConfigurationException;
  * <pre>
  *  {@code
  *    <displayConfiguration>
+ *      <name>Built-In Display</name>
  *      <densityMapping>
  *        <density>
  *          <height>480</height>
@@ -479,6 +480,10 @@ public class DisplayDeviceConfig {
     private final List<RefreshRateLimitation> mRefreshRateLimitations =
             new ArrayList<>(2 /*initialCapacity*/);
 
+    // Name of the display, if configured.
+    @Nullable
+    private String mName;
+
     // Nits and backlight values that are loaded from either the display device config file, or
     // config.xml. These are the raw values and just used for the dumpsys
     private float[] mRawNits;
@@ -808,6 +813,15 @@ public class DisplayDeviceConfig {
         return config;
     }
 
+    /** The name of the display.
+     *
+     * @return The name of the display.
+     */
+    @Nullable
+    public String getName() {
+        return mName;
+    }
+
     /**
      * Return the brightness mapping nits array.
      *
@@ -1609,6 +1623,7 @@ public class DisplayDeviceConfig {
         try (InputStream in = new BufferedInputStream(new FileInputStream(configFile))) {
             final DisplayConfiguration config = XmlParser.read(in);
             if (config != null) {
+                loadName(config);
                 loadDensityMapping(config);
                 loadBrightnessDefaultFromDdcXml(config);
                 loadBrightnessConstraintsFromConfigXml();
@@ -1680,6 +1695,10 @@ public class DisplayDeviceConfig {
         }
     }
 
+    private void loadName(DisplayConfiguration config) {
+        mName = config.getName();
+    }
+
     private void loadDensityMapping(DisplayConfiguration config) {
         if (config.getDensityMapping() == null) {
             return;

services/core/java/com/android/server/display/LocalDisplayAdapter.java

@@ -42,6 +42,7 @@ import android.view.DisplayShape;
 import android.view.RoundedCorners;
 import android.view.SurfaceControl;
 
+import com.android.internal.R;
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.display.BrightnessSynchronizer;
 import com.android.internal.util.function.pooled.PooledLambda;
@@ -675,14 +676,13 @@ final class LocalDisplayAdapter extends DisplayAdapter {
                 mInfo.flags |= DisplayDeviceInfo.FLAG_ALLOWED_TO_BE_DEFAULT_DISPLAY;
 
                 if (mIsFirstDisplay) {
-                    if (res.getBoolean(com.android.internal.R.bool.config_mainBuiltInDisplayIsRound)
+                    if (res.getBoolean(R.bool.config_mainBuiltInDisplayIsRound)
                             || (Build.IS_EMULATOR
                             && SystemProperties.getBoolean(PROPERTY_EMULATOR_CIRCULAR, false))) {
                         mInfo.flags |= DisplayDeviceInfo.FLAG_ROUND;
                     }
                 } else {
-                    if (!res.getBoolean(
-                                com.android.internal.R.bool.config_localDisplaysMirrorContent)) {
+                    if (!res.getBoolean(R.bool.config_localDisplaysMirrorContent)) {
                         mInfo.flags |= DisplayDeviceInfo.FLAG_OWN_CONTENT_ONLY;
                     }
 
@@ -711,18 +711,23 @@ final class LocalDisplayAdapter extends DisplayAdapter {
                 mInfo.displayShape = DisplayShape.fromResources(
                         res, mInfo.uniqueId, maxWidth, maxHeight, mInfo.width, mInfo.height);
 
+                mInfo.name = getDisplayDeviceConfig().getName();
+
                 if (mStaticDisplayInfo.isInternal) {
                     mInfo.type = Display.TYPE_INTERNAL;
                     mInfo.touch = DisplayDeviceInfo.TOUCH_INTERNAL;
                     mInfo.flags |= DisplayDeviceInfo.FLAG_ROTATES_WITH_CONTENT;
-                    mInfo.name = res.getString(
-                            com.android.internal.R.string.display_manager_built_in_display_name);
+                    if (mInfo.name == null) {
+                        mInfo.name = res.getString(R.string.display_manager_built_in_display_name);
+                    }
                 } else {
                     mInfo.type = Display.TYPE_EXTERNAL;
                     mInfo.touch = DisplayDeviceInfo.TOUCH_EXTERNAL;
                     mInfo.flags |= DisplayDeviceInfo.FLAG_PRESENTATION;
-                    mInfo.name = getContext().getResources().getString(
-                            com.android.internal.R.string.display_manager_hdmi_display_name);
+                    if (mInfo.name == null) {
+                        mInfo.name = getContext().getResources().getString(
+                                R.string.display_manager_hdmi_display_name);
+                    }
                 }
                 mInfo.frameRateOverrides = mFrameRateOverrides;
 
@@ -1255,8 +1260,7 @@ final class LocalDisplayAdapter extends DisplayAdapter {
                 return false;
             }
             final Resources res = getOverlayContext().getResources();
-            int[] ports = res.getIntArray(
-                    com.android.internal.R.array.config_localPrivateDisplayPorts);
+            int[] ports = res.getIntArray(R.array.config_localPrivateDisplayPorts);
             if (ports != null) {
                 int port = physicalAddress.getPort();
                 for (int p : ports) {

services/core/xsd/display-device-config/display-device-config.xsd

@@ -26,6 +26,10 @@
     <xs:element name="displayConfiguration">
         <xs:complexType>
             <xs:sequence>
+                <xs:element type ="xs:string" name="name">
+                    <xs:annotation name="nullable"/>
+                    <xs:annotation name="final"/>
+                </xs:element>
                 <xs:element type="densityMapping" name="densityMapping" minOccurs="0" maxOccurs="1">
                     <xs:annotation name="nullable"/>
                     <xs:annotation name="final"/>

services/core/xsd/display-device-config/schema/current.txt

@@ -89,6 +89,7 @@ package com.android.server.display.config {
     method public final com.android.server.display.config.Thresholds getDisplayBrightnessChangeThresholdsIdle();
     method public com.android.server.display.config.HighBrightnessMode getHighBrightnessMode();
     method public final com.android.server.display.config.SensorDetails getLightSensor();
+    method @Nullable public final String getName();
     method public final com.android.server.display.config.SensorDetails getProxSensor();
     method public com.android.server.display.config.DisplayQuirks getQuirks();
     method public com.android.server.display.config.RefreshRateConfigs getRefreshRate();
@@ -114,6 +115,7 @@ package com.android.server.display.config {
     method public final void setDisplayBrightnessChangeThresholdsIdle(com.android.server.display.config.Thresholds);
     method public void setHighBrightnessMode(com.android.server.display.config.HighBrightnessMode);
     method public final void setLightSensor(com.android.server.display.config.SensorDetails);
+    method public final void setName(@Nullable String);
     method public final void setProxSensor(com.android.server.display.config.SensorDetails);
     method public void setQuirks(com.android.server.display.config.DisplayQuirks);
     method public void setRefreshRate(com.android.server.display.config.RefreshRateConfigs);

services/tests/servicestests/src/com/android/server/display/DisplayDeviceConfigTest.java

@@ -20,6 +20,7 @@ package com.android.server.display;
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
 import static org.mockito.ArgumentMatchers.anyFloat;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.Mockito.mock;
@@ -82,6 +83,7 @@ public final class DisplayDeviceConfigTest {
     public void testConfigValuesFromDisplayConfig() throws IOException {
         setupDisplayDeviceConfigFromDisplayConfigFile();
 
+        assertEquals(mDisplayDeviceConfig.getName(), "Example Display");
         assertEquals(mDisplayDeviceConfig.getAmbientHorizonLong(), 5000);
         assertEquals(mDisplayDeviceConfig.getAmbientHorizonShort(), 50);
         assertEquals(mDisplayDeviceConfig.getBrightnessRampDecreaseMaxMillis(), 3000);
@@ -237,6 +239,7 @@ public final class DisplayDeviceConfigTest {
     @Test
     public void testConfigValuesFromConfigResource() {
         setupDisplayDeviceConfigFromConfigResourceFile();
+        assertNull(mDisplayDeviceConfig.getName());
         assertArrayEquals(mDisplayDeviceConfig.getAutoBrightnessBrighteningLevelsNits(), new
                 float[]{2.0f, 200.0f, 600.0f}, ZERO_DELTA);
         assertArrayEquals(mDisplayDeviceConfig.getAutoBrightnessBrighteningLevelsLux(), new
@@ -318,6 +321,7 @@ public final class DisplayDeviceConfigTest {
     private String getContent() {
         return "<?xml version='1.0' encoding='utf-8' standalone='yes' ?>\n"
                 + "<displayConfiguration>\n"
+                +   "<name>Example Display</name>"
                 +   "<screenBrightnessMap>\n"
                 +       "<point>\n"
                 +           "<value>0.0</value>\n"