Ensure that display is recreated after sessions are restored (#2902)

MozillaReality · Mar 2, 2020 · c2a5eb4 · c2a5eb4
1 parent 0e9791f
commit c2a5eb4
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/app/src/common/shared/org/mozilla/vrbrowser/ui/widgets/WindowWidget.java b/app/src/common/shared/org/mozilla/vrbrowser/ui/widgets/WindowWidget.java
@@ -314,6 +314,11 @@ public void onResume() {
         super.onResume();
         if (isVisible() || mIsInVRVideoMode) {
             mSession.setActive(true);
+            if (!SettingsStore.getInstance(getContext()).getLayersEnabled()) {
+                // Ensure the Gecko Display is correctly recreated.
+                // See: https://github.com/MozillaReality/FirefoxReality/issues/2880
+                callSurfaceChanged();
+            }
         }
     }
 
@@ -732,7 +737,7 @@ public void setSurface(Surface aSurface, final int aWidth, final int aHeight, Ru
     }
 
     private void callSurfaceChanged() {
-        if (mSession != null) {
+        if (mSession != null && mSurface != null) {
             mSession.surfaceChanged(mSurface, mBorderWidth, mBorderWidth, mWidth - mBorderWidth * 2, mHeight - mBorderWidth * 2);
             mSession.updateLastUse();
         }