Fix magnification unit test (fe87bcec) · Commits · e / os / android_frameworks_base

services/accessibility/java/com/android/server/accessibility/MagnificationGestureHandler.java

+14 −9

Original line number	Diff line number	Diff line
		@@ -229,7 +229,7 @@ class MagnificationGestureHandler extends BaseEventStreamTransformation {
		}

		void clearAndTransitionToStateDetecting() {
		mCurrentState = mDelegatingState;
		mCurrentState = mDetectingState;
		mDetectingState.clear();
		mViewportDraggingState.clear();
		mPanningScalingState.clear();
		@@ -649,16 +649,21 @@ class MagnificationGestureHandler extends BaseEventStreamTransformation {
		break;
		case ACTION_MOVE: {
		if (isFingerDown()
		&& distance(mLastDown, /* move */ event) > mSwipeMinDistance
		// For convenience, viewport dragging on 3tap&hold takes precedence
		&& distance(mLastDown, /* move */ event) > mSwipeMinDistance) {

		// Swipe detected - transition immediately

		// For convenience, viewport dragging takes precedence
		// over insta-delegating on 3tap&swipe
		// (which is a rare combo to be used aside from magnification)
		&& !isMultiTapTriggered(2 /* taps */)) {

		// Swipe detected - delegate skipping timeout
		if (isMultiTapTriggered(2 /* taps */)) {
		transitionTo(mViewportDraggingState);
		clear();
		} else {
		transitionToDelegatingStateAndClear();
		}
		}
		}
		break;
		case ACTION_UP: {

services/tests/servicestests/src/com/android/server/accessibility/MagnificationGestureHandlerTest.java

+29 −23

Original line number	Diff line number	Diff line
		@@ -32,6 +32,7 @@ import static org.mockito.Mockito.verify;

		import android.annotation.NonNull;
		import android.content.Context;
		import android.os.Message;
		import android.support.test.InstrumentationRegistry;
		import android.support.test.runner.AndroidJUnit4;
		import android.util.DebugUtils;
		@@ -76,6 +77,8 @@ public class MagnificationGestureHandlerTest {
		private MagnificationGestureHandler mMgh;
		private TestHandler mHandler;

		private long mLastDownTime = Integer.MIN_VALUE;

		@Before
		public void setUp() {
		mContext = InstrumentationRegistry.getContext();
		@@ -104,7 +107,13 @@ public class MagnificationGestureHandlerTest {
		MagnificationGestureHandler h = new MagnificationGestureHandler(
		mContext, mMagnificationController,
		detectTripleTap, detectShortcutTrigger);
		mHandler = new TestHandler(h.mDetectingState, mClock);
		mHandler = new TestHandler(h.mDetectingState, mClock) {
		@Override
		protected String messageToString(Message m) {
		return DebugUtils.valueToString(
		MagnificationGestureHandler.DetectingState.class, "MESSAGE_", m.what);
		}
		};
		h.mDetectingState.mHandler = mHandler;
		h.setNext(strictMock(EventStreamTransformation.class));
		return h;
		@@ -184,11 +193,11 @@ public class MagnificationGestureHandlerTest {
		fastForward1sec();
		}, STATE_ZOOMED);

		// tap+tap+swipe gets delegated
		assertTransition(STATE_2TAPS, () -> {
		allowEventDelegation();
		swipe();
		}, STATE_IDLE);
		// tap+tap+swipe doesn't get delegated
		assertTransition(STATE_2TAPS, () -> swipe(), STATE_IDLE);

		// tap+tap+swipe initiates viewport dragging immediately
		assertTransition(STATE_2TAPS, () -> swipeAndHold(), STATE_DRAGGING_TMP);
		}

		@Test
		@@ -439,23 +448,24 @@ public class MagnificationGestureHandlerTest {
		}

		private void tap() {
		MotionEvent downEvent = downEvent();
		send(downEvent);
		send(upEvent(downEvent.getDownTime()));
		send(downEvent());
		send(upEvent());
		}

		private void swipe() {
		MotionEvent downEvent = downEvent();
		send(downEvent);
		swipeAndHold();
		send(upEvent());
		}

		private void swipeAndHold() {
		send(downEvent());
		send(moveEvent(DEFAULT_X * 2, DEFAULT_Y * 2));
		send(upEvent(downEvent.getDownTime()));
		}

		private void longTap() {
		MotionEvent downEvent = downEvent();
		send(downEvent);
		send(downEvent());
		fastForward(2000);
		send(upEvent(downEvent.getDownTime()));
		send(upEvent());
		}

		private void triggerShortcut() {
		@@ -473,16 +483,17 @@ public class MagnificationGestureHandlerTest {
		}

		private MotionEvent moveEvent(float x, float y) {
		return MotionEvent.obtain(defaultDownTime(), mClock.now(), ACTION_MOVE, x, y, 0);
		return MotionEvent.obtain(mLastDownTime, mClock.now(), ACTION_MOVE, x, y, 0);
		}

		private MotionEvent downEvent() {
		return MotionEvent.obtain(mClock.now(), mClock.now(),
		mLastDownTime = mClock.now();
		return MotionEvent.obtain(mLastDownTime, mLastDownTime,
		ACTION_DOWN, DEFAULT_X, DEFAULT_Y, 0);
		}

		private MotionEvent upEvent() {
		return upEvent(defaultDownTime());
		return upEvent(mLastDownTime);
		}

		private MotionEvent upEvent(long downTime) {
		@@ -490,11 +501,6 @@ public class MagnificationGestureHandlerTest {
		MotionEvent.ACTION_UP, DEFAULT_X, DEFAULT_Y, 0);
		}

		private long defaultDownTime() {
		MotionEvent lastDown = mMgh.mDetectingState.mLastDown;
		return lastDown == null ? mClock.now() - 1 : lastDown.getDownTime();
		}

		private MotionEvent pointerEvent(int action, float x, float y) {
		MotionEvent.PointerProperties defPointerProperties = new MotionEvent.PointerProperties();
		defPointerProperties.id = 0;

services/tests/servicestests/src/com/android/server/testutils/TestHandler.java

+10 −1

Original line number	Diff line number	Diff line
		@@ -104,6 +104,15 @@ public class TestHandler extends Handler {
		return new PriorityQueue<>(mMessages);
		}

		/**
		* Optionally-overridable to allow deciphering message types
		*
		* @see android.util.DebugUtils#valueToString - a handy utility to use when overriding this
		*/
		protected String messageToString(Message message) {
		return message.toString();
		}

		private void dispatch(MsgInfo msg) {
		int msgId = msg.message.what;

		@@ -148,7 +157,7 @@ public class TestHandler extends Handler {
		@Override
		public String toString() {
		return "MsgInfo{" +
		"message=" + message +
		"message=" + messageToString(message) +
		", sendTime=" + sendTime +
		'}';
		}