Merge "Reconfigure all secondary displays during boot-up" into qt-dev
am: 6bc6e6aed0

Change-Id: If42d7a6757f4c9a112922e34850123d9ae096a08
diff --git a/service/src/com/android/car/ICarImpl.java b/service/src/com/android/car/ICarImpl.java
index 0335186..8c5b981 100644
--- a/service/src/com/android/car/ICarImpl.java
+++ b/service/src/com/android/car/ICarImpl.java
@@ -217,6 +217,7 @@
             service.init();
         }
         traceEnd();
+        mSystemInterface.reconfigureSecondaryDisplays();
     }
 
     void release() {
diff --git a/service/src/com/android/car/systeminterface/DisplayInterface.java b/service/src/com/android/car/systeminterface/DisplayInterface.java
index 885657b..4d8f180 100644
--- a/service/src/com/android/car/systeminterface/DisplayInterface.java
+++ b/service/src/com/android/car/systeminterface/DisplayInterface.java
@@ -31,12 +31,16 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.os.PowerManager;
+import android.os.RemoteException;
+import android.os.ServiceManager;
 import android.os.SystemClock;
 import android.os.UserHandle;
 import android.provider.Settings.SettingNotFoundException;
 import android.provider.Settings.System;
 import android.util.Log;
 import android.view.Display;
+import android.view.DisplayAddress;
+import android.view.IWindowManager;
 
 import com.android.car.CarLog;
 import com.android.car.CarPowerManagementService;
@@ -59,9 +63,15 @@
     void refreshDisplayBrightness();
 
     /**
+     * Reconfigure all secondary displays due to b/131909551
+     */
+    void reconfigureSecondaryDisplays();
+    /**
      * Default implementation of display operations
      */
     class DefaultImpl implements DisplayInterface, OnUsersUpdateListener {
+        static final String TAG = DisplayInterface.class.getSimpleName();
+
         private final ActivityManager mActivityManager;
         private final ContentResolver mContentResolver;
         private final Context mContext;
@@ -211,5 +221,32 @@
             mLastBrightnessLevel = -1;
             refreshDisplayBrightness();
         }
+
+        @Override
+        public void reconfigureSecondaryDisplays() {
+            IWindowManager wm = IWindowManager.Stub
+                    .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE));
+            if (wm == null) {
+                Log.e(TAG, "reconfigureSecondaryDisplays IWindowManager not available");
+                return;
+            }
+            Display[] displays = mDisplayManager.getDisplays();
+            for (Display display : displays) {
+                if (display.getDisplayId() == Display.DEFAULT_DISPLAY) { // skip main
+                    continue;
+                }
+                // Only use physical secondary displays
+                if (display.getAddress() instanceof DisplayAddress.Physical) {
+                    int displayId = display.getDisplayId();
+                    try {
+                        // Do not change the mode but this triggers reconfiguring.
+                        int windowingMode = wm.getWindowingMode(displayId);
+                        wm.setWindowingMode(displayId, windowingMode);
+                    } catch (RemoteException e) {
+                        Log.e(CarLog.TAG_SERVICE, "cannot access IWindowManager", e);
+                    }
+                }
+            }
+        }
     }
 }
diff --git a/service/src/com/android/car/systeminterface/SystemInterface.java b/service/src/com/android/car/systeminterface/SystemInterface.java
index a617a5a..8e7f863 100644
--- a/service/src/com/android/car/systeminterface/SystemInterface.java
+++ b/service/src/com/android/car/systeminterface/SystemInterface.java
@@ -123,6 +123,11 @@
     }
 
     @Override
+    public void reconfigureSecondaryDisplays() {
+        mDisplayInterface.reconfigureSecondaryDisplays();
+    }
+
+    @Override
     public void startDisplayStateMonitoring(CarPowerManagementService service) {
         mDisplayInterface.startDisplayStateMonitoring(service);
     }
diff --git a/tests/carservice_test/src/com/android/car/CarPowerManagementTest.java b/tests/carservice_test/src/com/android/car/CarPowerManagementTest.java
index ab5c271..58bf088 100644
--- a/tests/carservice_test/src/com/android/car/CarPowerManagementTest.java
+++ b/tests/carservice_test/src/com/android/car/CarPowerManagementTest.java
@@ -307,6 +307,9 @@
 
         @Override
         public void refreshDisplayBrightness() {}
+
+        @Override
+        public void reconfigureSecondaryDisplays() {}
     }
 
     private class PowerStatePropertyHandler implements VehicleHalPropertyHandler {
diff --git a/tests/carservice_test/src/com/android/car/MockedCarTestBase.java b/tests/carservice_test/src/com/android/car/MockedCarTestBase.java
index 44e07b2..894c402 100644
--- a/tests/carservice_test/src/com/android/car/MockedCarTestBase.java
+++ b/tests/carservice_test/src/com/android/car/MockedCarTestBase.java
@@ -311,6 +311,9 @@
 
         @Override
         public void refreshDisplayBrightness() {}
+
+        @Override
+        public void reconfigureSecondaryDisplays() {}
     }
 
     static final class MockIOInterface implements IOInterface {
diff --git a/tests/carservice_unit_test/src/com/android/car/CarPowerManagementServiceTest.java b/tests/carservice_unit_test/src/com/android/car/CarPowerManagementServiceTest.java
index 382d7ad..fa82f90 100644
--- a/tests/carservice_unit_test/src/com/android/car/CarPowerManagementServiceTest.java
+++ b/tests/carservice_unit_test/src/com/android/car/CarPowerManagementServiceTest.java
@@ -296,6 +296,9 @@
 
         @Override
         public void refreshDisplayBrightness() {}
+
+        @Override
+        public void reconfigureSecondaryDisplays() {}
     }
 
     private static final class MockSystemStateInterface implements SystemStateInterface {