Merge "Fix pip surface properties during keyguard exit" into udc-dev

libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTransition.java

@@ -1015,6 +1015,16 @@ public class PipTransition extends PipTransitionController {
         mPipOrganizer.onExitPipFinished(prevPipTaskChange.getTaskInfo());
     }
 
+    @Override
+    public boolean syncPipSurfaceState(@NonNull TransitionInfo info,
+            @NonNull SurfaceControl.Transaction startTransaction,
+            @NonNull SurfaceControl.Transaction finishTransaction) {
+        final TransitionInfo.Change pipChange = findCurrentPipTaskChange(info);
+        if (pipChange == null) return false;
+        updatePipForUnhandledTransition(pipChange, startTransaction, finishTransaction);
+        return true;
+    }
+
     private void updatePipForUnhandledTransition(@NonNull TransitionInfo.Change pipChange,
             @NonNull SurfaceControl.Transaction startTransaction,
             @NonNull SurfaceControl.Transaction finishTransaction) {
@@ -1025,10 +1035,12 @@ public class PipTransition extends PipTransitionController {
         final boolean isInPip = mPipTransitionState.isInPip();
         mSurfaceTransactionHelper
                 .crop(startTransaction, leash, destBounds)
-                .round(startTransaction, leash, isInPip);
+                .round(startTransaction, leash, isInPip)
+                .shadow(startTransaction, leash, isInPip);
         mSurfaceTransactionHelper
                 .crop(finishTransaction, leash, destBounds)
-                .round(finishTransaction, leash, isInPip);
+                .round(finishTransaction, leash, isInPip)
+                .shadow(finishTransaction, leash, isInPip);
     }
 
     /** Hides and shows the existing PIP during fixed rotation transition of other activities. */

libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTransitionController.java

@@ -240,6 +240,18 @@ public abstract class PipTransitionController implements Transitions.TransitionH
             @NonNull final Transitions.TransitionFinishCallback finishCallback) {
     }
 
+    /**
+     * Applies the proper surface states (rounded corners/shadows) to pip surfaces in `info`.
+     * This is intended to be used when PiP is part of another animation but isn't, itself,
+     * animating (eg. unlocking).
+     * @return `true` if there was a pip in `info`.
+     */
+    public boolean syncPipSurfaceState(@NonNull TransitionInfo info,
+            @NonNull SurfaceControl.Transaction startTransaction,
+            @NonNull SurfaceControl.Transaction finishTransaction) {
+        return false;
+    }
+
     /** End the currently-playing PiP animation. */
     public void end() {
     }

libs/WindowManager/Shell/src/com/android/wm/shell/transition/DefaultMixedHandler.java

@@ -304,8 +304,8 @@ public class DefaultMixedHandler implements Transitions.TransitionHandler,
             return animateRecentsDuringSplit(mixed, info, startTransaction, finishTransaction,
                     finishCallback);
         } else if (mixed.mType == MixedTransition.TYPE_KEYGUARD) {
-            return mKeyguardHandler.startAnimation(
-                    transition, info, startTransaction, finishTransaction, finishCallback);
+            return animateKeyguard(mixed, info, startTransaction, finishTransaction,
+                    finishCallback);
         } else {
             mActiveTransitions.remove(mixed);
             throw new IllegalStateException("Starting mixed animation without a known mixed type? "
@@ -557,6 +557,27 @@ public class DefaultMixedHandler implements Transitions.TransitionHandler,
         return handled;
     }
 
+    private boolean animateKeyguard(@NonNull final MixedTransition mixed,
+            @NonNull TransitionInfo info,
+            @NonNull SurfaceControl.Transaction startTransaction,
+            @NonNull SurfaceControl.Transaction finishTransaction,
+            @NonNull Transitions.TransitionFinishCallback finishCallback) {
+        boolean consumed = mKeyguardHandler.startAnimation(
+                mixed.mTransition, info, startTransaction, finishTransaction, finishCallback);
+        if (!consumed) {
+            return false;
+        }
+        // Sync pip state.
+        if (mPipHandler != null) {
+            // We don't know when to apply `startTransaction` so use a separate transaction here.
+            // This should be fine because these surface properties are independent.
+            final SurfaceControl.Transaction t = new SurfaceControl.Transaction();
+            mPipHandler.syncPipSurfaceState(info, t, finishTransaction);
+            t.apply();
+        }
+        return true;
+    }
+
     @Override
     public void mergeAnimation(@NonNull IBinder transition, @NonNull TransitionInfo info,
             @NonNull SurfaceControl.Transaction t, @NonNull IBinder mergeTarget,