Merge "Fix the focus not move to the place where the finger clicks" into rvc-qpr-dev

services/accessibility/java/com/android/server/accessibility/gestures/TouchExplorer.java

@@ -221,6 +221,8 @@ public class TouchExplorer extends BaseEventStreamTransformation
         mSendTouchInteractionEndDelayed.cancel();
         // Clear the gesture detector
         mGestureDetector.clear();
+        // Clear the offset data by long pressing.
+        mDispatcher.clear();
         // Go to initial state.
         mState.clear();
         mAms.onTouchInteractionEnd();

services/tests/servicestests/src/com/android/server/accessibility/gestures/TouchExplorerTest.java

@@ -16,6 +16,8 @@
 
 package com.android.server.accessibility.gestures;
 
+import static android.view.ViewConfiguration.getDoubleTapTimeout;
+
 import static com.android.server.accessibility.gestures.TouchState.STATE_CLEAR;
 import static com.android.server.accessibility.gestures.TouchState.STATE_DELEGATING;
 import static com.android.server.accessibility.gestures.TouchState.STATE_DRAGGING;
@@ -23,6 +25,7 @@ import static com.android.server.accessibility.gestures.TouchState.STATE_TOUCH_E
 
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 import static org.mockito.Mockito.mock;
 
 import android.content.Context;
@@ -53,6 +56,8 @@ import java.util.List;
 public class TouchExplorerTest {
 
     private static final String LOG_TAG = "TouchExplorerTest";
+    // The constant of mDetermineUserIntentTimeout.
+    private static final int USER_INTENT_TIMEOUT = getDoubleTapTimeout();
     private static final int FLAG_1FINGER = 0x8000;
     private static final int FLAG_2FINGERS = 0x0100;
     private static final int FLAG_3FINGERS = 0x0200;
@@ -94,7 +99,9 @@ public class TouchExplorerTest {
         public void onMotionEvent(MotionEvent event, MotionEvent rawEvent, int policyFlags) {
             mEvents.add(0, event.copy());
             // LastEvent may not match if we're clearing the state
-            if (mLastEvent != null) {
+            // The last event becomes ACTION_UP event when sending the ACTION_CANCEL event,
+            // so ignoring the ACTION_CANCEL event checking.
+            if (mLastEvent != null && rawEvent.getActionMasked() != MotionEvent.ACTION_CANCEL) {
                 MotionEventMatcher lastEventMatcher = new MotionEventMatcher(mLastEvent);
                 assertThat(rawEvent, lastEventMatcher);
             }
@@ -121,6 +128,43 @@ public class TouchExplorerTest {
         mTouchExplorer.setNext(mCaptor);
     }
 
+    /**
+     * Test the case where the event location is correct when clicking after the following
+     * situation happened: entering the delegate state through doubleTapAndHold gesture and
+     * receiving a cancel event to return the clear state.
+     */
+    @Test
+    public void testClick_afterCanceledDoubleTapAndHold_eventLocationIsCorrect()
+            throws InterruptedException {
+        // Generates the click position by this click operation, otherwise the offset used
+        // while delegating could not be set.
+        send(downEvent(DEFAULT_X + 10, DEFAULT_Y + 10));
+        // Waits for transition to touch exploring state.
+        Thread.sleep(2 * USER_INTENT_TIMEOUT);
+        send(upEvent());
+
+        // Simulates detecting the doubleTapAndHold gesture and enters the delegate state.
+        final MotionEvent sendEvent =
+                fromTouchscreen(downEvent(DEFAULT_X + 100, DEFAULT_Y + 100));
+        mTouchExplorer.onDoubleTapAndHold(sendEvent, sendEvent, 0);
+        assertState(STATE_DELEGATING);
+
+        send(cancelEvent());
+
+        // Generates the click operation, and checks the event location of the ACTION_HOVER_ENTER
+        // event is correct.
+        send(downEvent());
+        // Waits for transition to touch exploring state.
+        Thread.sleep(2 * USER_INTENT_TIMEOUT);
+        send(upEvent());
+
+        final List<MotionEvent> events = getCapturedEvents();
+        assertTrue(events.stream().anyMatch(
+                motionEvent -> motionEvent.getActionMasked() == MotionEvent.ACTION_HOVER_ENTER
+                        && motionEvent.getX() == DEFAULT_X
+                        && motionEvent.getY() == DEFAULT_Y));
+    }
+
     @Test
     public void testTwoFingersMove_shouldDelegatingAndInjectActionDownPointerDown() {
         goFromStateClearTo(STATE_MOVING_2FINGERS);
@@ -294,6 +338,19 @@ public class TouchExplorerTest {
         return ((EventCaptor) mCaptor).mEvents;
     }
 
+    private MotionEvent cancelEvent() {
+        mLastDownTime = SystemClock.uptimeMillis();
+        return fromTouchscreen(
+                MotionEvent.obtain(mLastDownTime, mLastDownTime, MotionEvent.ACTION_CANCEL,
+                        DEFAULT_X, DEFAULT_Y, 0));
+    }
+
+    private MotionEvent downEvent(float x, float y) {
+        mLastDownTime = SystemClock.uptimeMillis();
+        return fromTouchscreen(
+                MotionEvent.obtain(mLastDownTime, mLastDownTime, MotionEvent.ACTION_DOWN, x, y, 0));
+    }
+
     private MotionEvent downEvent() {
         mLastDownTime = SystemClock.uptimeMillis();
         return fromTouchscreen(