Merge "Prevent adding duplicate overlays" into main
diff --git a/services/core/java/com/android/server/wm/TrustedOverlayHost.java b/services/core/java/com/android/server/wm/TrustedOverlayHost.java
index f8edc2b..debe794 100644
--- a/services/core/java/com/android/server/wm/TrustedOverlayHost.java
+++ b/services/core/java/com/android/server/wm/TrustedOverlayHost.java
@@ -88,7 +88,17 @@
void addOverlay(SurfaceControlViewHost.SurfacePackage p, SurfaceControl currentParent) {
requireOverlaySurfaceControl();
- mOverlays.add(p);
+
+ boolean hasExistingOverlay = false;
+ for (int i = mOverlays.size() - 1; i >= 0; i--) {
+ SurfaceControlViewHost.SurfacePackage l = mOverlays.get(i);
+ if (l.getSurfaceControl().isSameSurface(p.getSurfaceControl())) {
+ hasExistingOverlay = true;
+ }
+ }
+ if (!hasExistingOverlay) {
+ mOverlays.add(p);
+ }
SurfaceControl.Transaction t = mWmService.mTransactionFactory.get();
t.reparent(p.getSurfaceControl(), mSurfaceControl)
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index ac6b566..554cbce 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -8462,12 +8462,13 @@
SurfaceControlViewHost.SurfacePackage overlay) {
if (overlay == null) {
throw new IllegalArgumentException("Invalid overlay passed in for task=" + taskId);
- } else if (overlay.getSurfaceControl() == null
- || !overlay.getSurfaceControl().isValid()) {
- throw new IllegalArgumentException(
- "Invalid overlay surfacecontrol passed in for task=" + taskId);
}
synchronized (mGlobalLock) {
+ if (overlay.getSurfaceControl() == null
+ || !overlay.getSurfaceControl().isValid()) {
+ throw new IllegalArgumentException(
+ "Invalid overlay surfacecontrol passed in for task=" + taskId);
+ }
final Task task = mRoot.getRootTask(taskId);
if (task == null) {
throw new IllegalArgumentException("no task with taskId" + taskId);