ACTION_HOVER_EXIT sometimes not delivered during touch exploration.

1. The code for detecting the end of a touch exploration gesture
   was not injecting the hover exit event upon detection of the
   gesture end.

bug:5091758:

Change-Id: I468164617d6677cd2a2a2815e1756c826d49f3a9

1 files changed, 6 insertions, 1 deletions

diff --git a/services/java/com/android/server/accessibility/TouchExplorer.java b/services/java/com/android/server/accessibility/TouchExplorer.java
index 0ad58d0..0808d5d 100644
--- a/services/java/com/android/server/accessibility/TouchExplorer.java
+++ b/services/java/com/android/server/accessibility/TouchExplorer.java
@@ -313,7 +313,7 @@ public class TouchExplorer implements Explorer {
                             if (moveDelta > mTouchExplorationTapSlop) {
                                 mLastTouchExploreEvent = null;
                                 mPerformLongPressDelayed.remove();
-                               break;
+                                break;
                             }
                         }
                     } break;
@@ -388,6 +388,11 @@ public class TouchExplorer implements Explorer {
                             mTouchExploreGestureInProgress = false;
                             mLastTouchExploreEvent = MotionEvent.obtain(event);
                             sendAccessibilityEvent(TYPE_TOUCH_EXPLORATION_GESTURE_END);
+                            final int lastAction = mPointerTracker.getLastInjectedHoverAction();
+                            if (lastAction != MotionEvent.ACTION_HOVER_EXIT) {
+                                sendMotionEvent(event, MotionEvent.ACTION_HOVER_EXIT,
+                                        pointerIdBits, policyFlags);
+                            }
                             break;
                         }