DirectReply: Close if touching outside status bar

Close direct reply when a touch outside the status bar window
happens. This is especially important with HUNs, where we allow
the touch to go through to the underlying window.

Change-Id: I12b9cbd5c699b86bcf1f56723a2f0ac5de7e5a42
Test: Receive SMS while unlocked, click Reply on heads-up notification, click in between notification and IME. Verify direct reply closes.
Fixes: 32022071

packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java

@@ -745,6 +745,7 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
             @Override
             public boolean onTouch(View v, MotionEvent event) {
                 checkUserAutohide(v, event);
+                checkRemoteInputOutside(event);
                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
                     if (mExpandedVisible) {
                         animateCollapsePanels();
@@ -3203,6 +3204,14 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
         }
     }
 
+    private void checkRemoteInputOutside(MotionEvent event) {
+        if (event.getAction() == MotionEvent.ACTION_OUTSIDE // touch outside the source bar
+                && event.getX() == 0 && event.getY() == 0  // a touch outside both bars
+                && mRemoteInputController.isRemoteInputActive()) {
+            mRemoteInputController.closeRemoteInputs();
+        }
+    }
+
     private void userAutohide() {
         cancelAutohide();
         mHandler.postDelayed(mAutohide, 350); // longer than app gesture -> flag clear