Merge "Surface should not be created for WindowContext initially." into rvc-dev

services/core/java/com/android/server/wm/WindowContainer.java

@@ -378,10 +378,7 @@ class WindowContainer<E extends WindowContainer> extends ConfigurationContainer<
         if (mSurfaceControl == null) {
             // If we don't yet have a surface, but we now have a parent, we should
             // build a surface.
-            setSurfaceControl(makeSurface().build());
-            getPendingTransaction().show(mSurfaceControl);
-            onSurfaceShown(getPendingTransaction());
-            updateSurfacePosition();
+            createSurfaceControl(false /*force*/);
         } else {
             // If we have a surface but a new parent, we just need to perform a reparent. Go through
             // surface animator such that hierarchy is preserved when animating, i.e.
@@ -399,6 +396,13 @@ class WindowContainer<E extends WindowContainer> extends ConfigurationContainer<
         scheduleAnimation();
     }
 
+    void createSurfaceControl(boolean force) {
+        setSurfaceControl(makeSurface().build());
+        getPendingTransaction().show(mSurfaceControl);
+        onSurfaceShown(getPendingTransaction());
+        updateSurfacePosition();
+    }
+
     /**
      * Called when the surface is shown for the first time.
      */

services/core/java/com/android/server/wm/WindowToken.java

@@ -100,6 +100,9 @@ class WindowToken extends WindowContainer<WindowState> {
     private Configuration mLastReportedConfig;
     private int mLastReportedDisplay = INVALID_DISPLAY;
 
+    /**
+     * When set to {@code true}, this window token is created from {@link android.app.WindowContext}
+     */
     @VisibleForTesting
     final boolean mFromClientToken;
 
@@ -281,6 +284,11 @@ class WindowToken extends WindowContainer<WindowState> {
             // Child windows are added to their parent windows.
             return;
         }
+        // This token is created from WindowContext and the client requests to addView now, create a
+        // surface for this token.
+        if (mSurfaceControl == null) {
+            createSurfaceControl(true /* force */);
+        }
         if (!mChildren.contains(win)) {
             ProtoLog.v(WM_DEBUG_ADD_REMOVE, "Adding %s to %s", win, this);
             addChild(win, mWindowComparator);
@@ -289,6 +297,13 @@ class WindowToken extends WindowContainer<WindowState> {
         }
     }
 
+    @Override
+    void createSurfaceControl(boolean force) {
+        if (!mFromClientToken || force) {
+            super.createSurfaceControl(force);
+        }
+    }
+
     /** Returns true if the token windows list is empty. */
     boolean isEmpty() {
         return mChildren.isEmpty();

services/tests/wmtests/src/com/android/server/wm/WindowTokenTests.java

@@ -18,6 +18,7 @@ package com.android.server.wm;
 
 import static android.view.WindowManager.LayoutParams.FIRST_SUB_WINDOW;
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION;
+import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
 import static android.view.WindowManager.LayoutParams.TYPE_TOAST;
 
 import static org.junit.Assert.assertEquals;
@@ -155,4 +156,27 @@ public class WindowTokenTests extends WindowTestsBase {
         assertTrue(token.mRoundedCornerOverlay);
         assertTrue(token.mFromClientToken);
     }
+
+    /**
+     * Test that {@link android.view.SurfaceControl} should not be created for the
+     * {@link WindowToken} which was created for {@link android.app.WindowContext} initially, the
+     * surface should be create after addWindow for this token.
+     */
+    @Test
+    public void testSurfaceCreatedForWindowToken() {
+        final WindowToken fromClientToken = new WindowToken(mDisplayContent.mWmService,
+                mock(IBinder.class), TYPE_APPLICATION_OVERLAY, true /* persistOnEmpty */,
+                mDisplayContent, true /* ownerCanManageAppTokens */,
+                true /* roundedCornerOverlay */, true /* fromClientToken */);
+        assertNull(fromClientToken.mSurfaceControl);
+
+        createWindow(null, TYPE_APPLICATION_OVERLAY, fromClientToken, "window");
+        assertNotNull(fromClientToken.mSurfaceControl);
+
+        final WindowToken nonClientToken = new WindowToken(mDisplayContent.mWmService,
+                mock(IBinder.class), TYPE_TOAST, true /* persistOnEmpty */, mDisplayContent,
+                true /* ownerCanManageAppTokens */, true /* roundedCornerOverlay */,
+                false /* fromClientToken */);
+        assertNotNull(nonClientToken.mSurfaceControl);
+    }
 }