Merge "PointerLocation: move showing exclusion rects behind flag" into qt-dev

core/java/com/android/internal/widget/PointerLocationView.java

@@ -26,6 +26,7 @@ import android.graphics.RectF;
 import android.graphics.Region;
 import android.hardware.input.InputManager;
 import android.hardware.input.InputManager.InputDeviceListener;
+import android.os.Handler;
 import android.os.RemoteException;
 import android.os.SystemProperties;
 import android.util.Log;
@@ -745,12 +746,17 @@ public class PointerLocationView extends View implements InputDeviceListener,
         super.onAttachedToWindow();
 
         mIm.registerInputDeviceListener(this, getHandler());
+        if (shouldShowSystemGestureExclusion()) {
             try {
-            WindowManagerGlobal.getWindowManagerService().registerSystemGestureExclusionListener(
+                WindowManagerGlobal.getWindowManagerService()
-                    mSystemGestureExclusionListener, mContext.getDisplayId());
+                        .registerSystemGestureExclusionListener(mSystemGestureExclusionListener,
+                                mContext.getDisplayId());
             } catch (RemoteException e) {
                 throw e.rethrowFromSystemServer();
             }
+        } else {
+            mSystemGestureExclusion.setEmpty();
+        }
         logInputDevices();
     }
 
@@ -798,6 +804,10 @@ public class PointerLocationView extends View implements InputDeviceListener,
         }
     }
 
+    private static boolean shouldShowSystemGestureExclusion() {
+        return SystemProperties.getBoolean("debug.pointerlocation.showexclusion", false);
+    }
+
     // HACK
     // A quick and dirty string builder implementation optimized for GC.
     // Using String.format causes the application grind to a halt when
@@ -920,11 +930,14 @@ public class PointerLocationView extends View implements InputDeviceListener,
         @Override
         public void onSystemGestureExclusionChanged(int displayId, Region systemGestureExclusion) {
             Region exclusion = Region.obtain(systemGestureExclusion);
-            getHandler().post(() -> {
+            Handler handler = getHandler();
+            if (handler != null) {
+                handler.post(() -> {
                     mSystemGestureExclusion.set(exclusion);
                     exclusion.recycle();
                     invalidate();
                 });
             }
+        }
     };
 }