Merge "Separate fillsParent from deciding orientation" into tm-dev am: c416376c38

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18671708

Change-Id: I435edccebd243f7223b7f73651a8587940221ffe
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

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

@@ -670,9 +670,9 @@ final class ActivityRecord extends WindowToken implements WindowManagerService.A
      * from the style of activity. Because we don't want {@link WindowContainer#getOrientation()}
      * to be affected by the temporal state of {@link ActivityClientController#convertToTranslucent}
      * when running ANIM_SCENE_TRANSITION.
-     * @see WindowContainer#fillsParent()
+     * @see WindowContainer#providesOrientation()
      */
-    private final boolean mFillsParent;
+    private final boolean mStyleFillsParent;
 
     // The input dispatching timeout for this application token in milliseconds.
     long mInputDispatchingTimeoutMillis = DEFAULT_DISPATCHING_TIMEOUT_MILLIS;
@@ -1971,10 +1971,10 @@ final class ActivityRecord extends WindowToken implements WindowManagerService.A
                     // This style is propagated to the main window attributes with
                     // FLAG_SHOW_WALLPAPER from PhoneWindow#generateLayout.
                     || ent.array.getBoolean(R.styleable.Window_windowShowWallpaper, false);
-            mFillsParent = mOccludesParent;
+            mStyleFillsParent = mOccludesParent;
             noDisplay = ent.array.getBoolean(R.styleable.Window_windowNoDisplay, false);
         } else {
-            mFillsParent = mOccludesParent = true;
+            mStyleFillsParent = mOccludesParent = true;
             noDisplay = false;
         }
 
@@ -2879,9 +2879,14 @@ final class ActivityRecord extends WindowToken implements WindowManagerService.A
         return (TaskDisplayArea) super.getDisplayArea();
     }
 
+    @Override
+    boolean providesOrientation() {
+        return mStyleFillsParent;
+    }
+
     @Override
     boolean fillsParent() {
-        return mFillsParent;
+        return occludesParent(true /* includingFinishing */);
     }
 
     /** Returns true if this activity is not finishing, is opaque and fills the entire space of

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

@@ -172,7 +172,7 @@ class PinnedTaskController {
      */
     void deferOrientationChangeForEnteringPipFromFullScreenIfNeeded() {
         final ActivityRecord topFullscreen = mDisplayContent.getActivity(
-                a -> a.fillsParent() && !a.getTask().inMultiWindowMode());
+                a -> a.providesOrientation() && !a.getTask().inMultiWindowMode());
         if (topFullscreen == null || topFullscreen.hasFixedRotationTransform()) {
             return;
         }

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

@@ -1495,8 +1495,7 @@ class WindowContainer<E extends WindowContainer> extends ConfigurationContainer<
      */
     int getOrientation(int candidate) {
         mLastOrientationSource = null;
-        if (!fillsParent()) {
-            // Ignore containers that don't completely fill their parents.
+        if (!providesOrientation()) {
             return SCREEN_ORIENTATION_UNSET;
         }
 
@@ -1530,8 +1529,8 @@ class WindowContainer<E extends WindowContainer> extends ConfigurationContainer<
                 continue;
             }
 
-            if (wc.fillsParent() || orientation != SCREEN_ORIENTATION_UNSPECIFIED) {
-                // Use the orientation if the container fills its parent or requested an explicit
+            if (wc.providesOrientation() || orientation != SCREEN_ORIENTATION_UNSPECIFIED) {
+                // Use the orientation if the container can provide or requested an explicit
                 // orientation that isn't SCREEN_ORIENTATION_UNSPECIFIED.
                 ProtoLog.v(WM_DEBUG_ORIENTATION, "%s is requesting orientation %d (%s)",
                         wc.toString(), orientation,
@@ -1560,6 +1559,10 @@ class WindowContainer<E extends WindowContainer> extends ConfigurationContainer<
         return source;
     }
 
+    boolean providesOrientation() {
+        return fillsParent();
+    }
+
     /**
      * Returns true if this container is opaque and fills all the space made available by its parent
      * container.

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

@@ -756,8 +756,8 @@ public class ActivityRecordTests extends WindowTestsBase {
         final ActivityRecord activity = createActivityWithTask();
         ActivityRecord topActivity = new ActivityBuilder(mAtm).setTask(activity.getTask()).build();
         topActivity.setOccludesParent(false);
-        // The requested occluding state doesn't affect whether it fills parent.
-        assertTrue(topActivity.fillsParent());
+        // The requested occluding state doesn't affect whether it can decide orientation.
+        assertTrue(topActivity.providesOrientation());
         activity.setState(STOPPED, "Testing");
         activity.setVisibility(true);
         activity.makeActiveIfNeeded(null /* activeActivity */);