Merge "Allow foreground AppWindowToken to influence orientation." into oc-dr1-dev

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

@@ -1311,7 +1311,7 @@ class AppWindowToken extends WindowToken implements WindowManagerService.AppFree
         // going to the bottom. Allowing closing {@link AppWindowToken} to participate can lead to
         // an Activity in another task being started in the wrong orientation during the transition.
         if (!(sendingToBottom || mService.mClosingApps.contains(this))
-                && (isVisible() || mService.mOpeningApps.contains(this))) {
+                && (isVisible() || mService.mOpeningApps.contains(this) || isOnTop())) {
             return mOrientation;
         }
 

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

@@ -3308,6 +3308,13 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
             setLayoutNeeded();
         }
 
+
+        @Override
+        boolean isOnTop() {
+            // Considered always on top
+            return true;
+        }
+
         @Override
         void positionChildAt(int position, TaskStack child, boolean includingParents) {
             if (StackId.isAlwaysOnTop(child.mStackId) && position != POSITION_TOP) {

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

@@ -472,6 +472,13 @@ class WindowContainer<E extends WindowContainer> implements Comparable<WindowCon
         return false;
     }
 
+    /**
+a     * Returns whether this child is on top of the window hierarchy.
+     */
+    boolean isOnTop() {
+        return getParent().getTopChild() == this && getParent().isOnTop();
+    }
+
     /** Returns the top child container. */
     E getTopChild() {
         return mChildren.peekLast();

services/tests/servicestests/src/com/android/server/wm/AppWindowTokenTests.java

@@ -185,6 +185,11 @@ public class AppWindowTokenTests extends WindowTestsBase {
         assertEquals(SCREEN_ORIENTATION_UNSET, token.getOrientation());
         // Can specify orientation if the current orientation candidate is orientation behind.
         assertEquals(SCREEN_ORIENTATION_LANDSCAPE, token.getOrientation(SCREEN_ORIENTATION_BEHIND));
+
+        token.sendingToBottom = false;
+        token.setIsOnTop(true);
+        // Allow for token to provide orientation hidden if on top and not being sent to bottom.
+        assertEquals(SCREEN_ORIENTATION_LANDSCAPE, token.getOrientation());
     }
 
     @Test

services/tests/servicestests/src/com/android/server/wm/WindowTestUtils.java

@@ -89,6 +89,7 @@ public class WindowTestUtils {
 
     /** Used so we can gain access to some protected members of the {@link AppWindowToken} class. */
     public static class TestAppWindowToken extends AppWindowToken {
+        boolean mOnTop = false;
 
         TestAppWindowToken(DisplayContent dc) {
             super(dc.mService, new IApplicationToken.Stub() {}, false, dc, true /* fillsParent */,
@@ -125,6 +126,15 @@ public class WindowTestUtils {
         int positionInParent() {
             return getParent().mChildren.indexOf(this);
         }
+
+        void setIsOnTop(boolean onTop) {
+            mOnTop = onTop;
+        }
+
+        @Override
+        boolean isOnTop() {
+            return mOnTop;
+        }
     }
 
     /* Used so we can gain access to some protected members of the {@link WindowToken} class */