Add Touch Initiation Regions. (92748079) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/dreams/touch/BouncerSwipeTouchHandler.java

+26 −34

Original line number	Diff line number	Diff line
		@@ -21,6 +21,9 @@ import static com.android.systemui.dreams.touch.dagger.BouncerSwipeModule.SWIPE_
		import static com.android.systemui.dreams.touch.dagger.BouncerSwipeModule.SWIPE_TO_BOUNCER_START_REGION;

		import android.animation.ValueAnimator;
		import android.graphics.Rect;
		import android.graphics.Region;
		import android.util.DisplayMetrics;
		import android.util.Log;
		import android.view.GestureDetector;
		import android.view.InputEvent;
		@@ -75,6 +78,8 @@ public class BouncerSwipeTouchHandler implements DreamTouchHandler {
		private final FlingAnimationUtils mFlingAnimationUtils;
		private final FlingAnimationUtils mFlingAnimationUtilsClosing;

		private final DisplayMetrics mDisplayMetrics;

		private Boolean mCapture;

		private TouchSession mTouchSession;
		@@ -85,40 +90,9 @@ public class BouncerSwipeTouchHandler implements DreamTouchHandler {

		private final GestureDetector.OnGestureListener mOnGestureListener =
		new GestureDetector.SimpleOnGestureListener() {
		boolean mTrack;
		boolean mBouncerPresent;

		@Override
		public boolean onDown(MotionEvent e) {
		// We only consider gestures that originate from the lower portion of the
		// screen.
		final float displayHeight = mStatusBar.getDisplayHeight();

		mBouncerPresent = mStatusBar.isBouncerShowing();

		// The target zone is either at the top or bottom of the screen, dependent on
		// whether the bouncer is present.
		final float zonePercentage =
		Math.abs(e.getY() - (mBouncerPresent ? 0 : displayHeight))
		/ displayHeight;

		mTrack = zonePercentage < mBouncerZoneScreenPercentage;

		// Never capture onDown. While this might lead to some false positive touches
		// being sent to other windows/layers, this is necessary to make sure the
		// proper touch event sequence is received by others in the event we do not
		// consume the sequence here.
		return false;
		}

		@Override
		public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX,
		float distanceY) {
		// Do not handle scroll gestures if not tracking touch events.
		if (!mTrack) {
		return false;
		}

		if (mCapture == null) {
		// If the user scrolling favors a vertical direction, begin capturing
		// scrolls.
		@@ -141,8 +115,8 @@ public class BouncerSwipeTouchHandler implements DreamTouchHandler {
		// (0).
		final float screenTravelPercentage =
		Math.abs((e1.getY() - e2.getY()) / mStatusBar.getDisplayHeight());
		setPanelExpansion(
		mBouncerPresent ? screenTravelPercentage : 1 - screenTravelPercentage);
		setPanelExpansion(mStatusBar.isBouncerShowing()
		? screenTravelPercentage : 1 - screenTravelPercentage);

		return true;
		}
		@@ -155,6 +129,7 @@ public class BouncerSwipeTouchHandler implements DreamTouchHandler {

		@Inject
		public BouncerSwipeTouchHandler(
		DisplayMetrics displayMetrics,
		StatusBarKeyguardViewManager statusBarKeyguardViewManager,
		StatusBar statusBar,
		NotificationShadeWindowController notificationShadeWindowController,
		@@ -165,6 +140,7 @@ public class BouncerSwipeTouchHandler implements DreamTouchHandler {
		@Named(SWIPE_TO_BOUNCER_FLING_ANIMATION_UTILS_OPENING)
		FlingAnimationUtils flingAnimationUtilsClosing,
		@Named(SWIPE_TO_BOUNCER_START_REGION) float swipeRegionPercentage) {
		mDisplayMetrics = displayMetrics;
		mStatusBar = statusBar;
		mStatusBarKeyguardViewManager = statusBarKeyguardViewManager;
		mNotificationShadeWindowController = notificationShadeWindowController;
		@@ -175,6 +151,21 @@ public class BouncerSwipeTouchHandler implements DreamTouchHandler {
		mVelocityTrackerFactory = velocityTrackerFactory;
		}

		@Override
		public void getTouchInitiationRegion(Region region) {
		if (mStatusBar.isBouncerShowing()) {
		region.op(new Rect(0, 0, mDisplayMetrics.widthPixels,
		Math.round(mDisplayMetrics.heightPixels * mBouncerZoneScreenPercentage)),
		Region.Op.UNION);
		} else {
		region.op(new Rect(0,
		Math.round(mDisplayMetrics.heightPixels * (1 - mBouncerZoneScreenPercentage)),
		mDisplayMetrics.widthPixels,
		mDisplayMetrics.heightPixels),
		Region.Op.UNION);
		}
		}

		@Override
		public void onSessionStart(TouchSession session) {
		mVelocityTracker = mVelocityTrackerFactory.obtain();
		@@ -202,7 +193,9 @@ public class BouncerSwipeTouchHandler implements DreamTouchHandler {
		final MotionEvent motionEvent = (MotionEvent) event;

		switch(motionEvent.getAction()) {
		case MotionEvent.ACTION_CANCEL:
		case MotionEvent.ACTION_UP:
		mTouchSession.pop();
		// If we are not capturing any input, there is no need to consider animating to
		// finish transition.
		if (mCapture == null \|\| !mCapture) {
		@@ -226,7 +219,6 @@ public class BouncerSwipeTouchHandler implements DreamTouchHandler {
		if (expansion == KeyguardBouncer.EXPANSION_HIDDEN) {
		mStatusBarKeyguardViewManager.reset(false);
		}
		mTouchSession.pop();
		break;
		default:
		mVelocityTracker.addMovement(motionEvent);

packages/SystemUI/src/com/android/systemui/dreams/touch/DreamOverlayTouchMonitor.java

+39 −1

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package com.android.systemui.dreams.touch;

		import android.graphics.Region;
		import android.view.GestureDetector;
		import android.view.InputEvent;
		import android.view.MotionEvent;
		@@ -34,6 +35,7 @@ import com.android.systemui.shared.system.InputChannelCompat;
		import com.google.common.util.concurrent.ListenableFuture;

		import java.util.Collection;
		import java.util.HashMap;
		import java.util.HashSet;
		import java.util.Set;
		import java.util.concurrent.Executor;
		@@ -100,6 +102,10 @@ public class DreamOverlayTouchMonitor {
		});
		}

		private int getSessionCount() {
		return mActiveTouchSessions.size();
		}

		/**
		* {@link TouchSessionImpl} implements {@link DreamTouchHandler.TouchSession} for
		* {@link DreamOverlayTouchMonitor}. It enables the monitor to access the associated listeners
		@@ -146,6 +152,11 @@ public class DreamOverlayTouchMonitor {
		return mTouchMonitor.pop(this);
		}

		@Override
		public int getActiveSessionCount() {
		return mTouchMonitor.getSessionCount();
		}

		/**
		* Returns the active listeners to receive touch events.
		*/
		@@ -229,12 +240,39 @@ public class DreamOverlayTouchMonitor {
		public void onInputEvent(InputEvent ev) {
		// No Active sessions are receiving touches. Create sessions for each listener
		if (mActiveTouchSessions.isEmpty()) {
		final HashMap<DreamTouchHandler, DreamTouchHandler.TouchSession> sessionMap =
		new HashMap<>();

		for (DreamTouchHandler handler : mHandlers) {
		final Region initiationRegion = Region.obtain();
		handler.getTouchInitiationRegion(initiationRegion);

		if (!initiationRegion.isEmpty()) {
		// Initiation regions require a motion event to determine pointer location
		// within the region.
		if (!(ev instanceof MotionEvent)) {
		continue;
		}

		final MotionEvent motionEvent = (MotionEvent) ev;

		// If the touch event is outside the region, then ignore.
		if (!initiationRegion.contains(Math.round(motionEvent.getX()),
		Math.round(motionEvent.getY()))) {
		continue;
		}
		}

		final TouchSessionImpl sessionStack =
		new TouchSessionImpl(DreamOverlayTouchMonitor.this, null);
		mActiveTouchSessions.add(sessionStack);
		handler.onSessionStart(sessionStack);
		sessionMap.put(handler, sessionStack);
		}

		// Informing handlers of new sessions is delayed until we have all created so the
		// final session is correct.
		sessionMap.forEach((dreamTouchHandler, touchSession)
		-> dreamTouchHandler.onSessionStart(touchSession));
		}

		// Find active sessions and invoke on InputEvent.

packages/SystemUI/src/com/android/systemui/dreams/touch/DreamTouchHandler.java

+14 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package com.android.systemui.dreams.touch;

		import android.graphics.Region;
		import android.view.GestureDetector;

		import com.android.systemui.shared.system.InputChannelCompat;
		@@ -71,6 +72,19 @@ public interface DreamTouchHandler {
		* if the popped {@link TouchSession} was the initial session or has already been popped.
		*/
		ListenableFuture<TouchSession> pop();

		/**
		* Returns the number of currently active sessions.
		*/
		int getActiveSessionCount();
		}

		/**
		* Returns the region the touch handler is interested in. By default, no region is specified,
		* indicating the entire screen should be considered.
		* @param region A {@link Region} that is passed in to the target entry touch region.
		*/
		default void getTouchInitiationRegion(Region region) {
		}

		/**

packages/SystemUI/tests/src/com/android/systemui/dreams/touch/BouncerSwipeTouchHandlerTest.java

+27 −41

Original line number	Diff line number	Diff line
		@@ -18,7 +18,6 @@ package com.android.systemui.dreams.touch;

		import static com.google.common.truth.Truth.assertThat;


		import static org.mockito.ArgumentMatchers.any;
		import static org.mockito.ArgumentMatchers.anyBoolean;
		import static org.mockito.ArgumentMatchers.anyFloat;
		@@ -27,12 +26,14 @@ import static org.mockito.Mockito.verify;
		import static org.mockito.Mockito.when;

		import android.animation.ValueAnimator;
		import android.graphics.Rect;
		import android.graphics.Region;
		import android.testing.AndroidTestingRunner;
		import android.util.DisplayMetrics;
		import android.view.GestureDetector;
		import android.view.MotionEvent;
		import android.view.VelocityTracker;

		import androidx.test.filters.FlakyTest;
		import androidx.test.filters.SmallTest;

		import com.android.systemui.SysuiTestCase;
		@@ -51,8 +52,6 @@ import org.mockito.Mock;
		import org.mockito.Mockito;
		import org.mockito.MockitoAnnotations;

		import java.util.Random;

		@SmallTest
		@RunWith(AndroidTestingRunner.class)
		public class BouncerSwipeTouchHandlerTest extends SysuiTestCase {
		@@ -89,13 +88,20 @@ public class BouncerSwipeTouchHandlerTest extends SysuiTestCase {
		@Mock
		VelocityTracker mVelocityTracker;

		final DisplayMetrics mDisplayMetrics = new DisplayMetrics();

		private static final float TOUCH_REGION = .3f;
		private static final float SCREEN_HEIGHT_PX = 100;
		private static final int SCREEN_WIDTH_PX = 1024;
		private static final int SCREEN_HEIGHT_PX = 100;

		@Before
		public void setup() {
		mDisplayMetrics.widthPixels = SCREEN_WIDTH_PX;
		mDisplayMetrics.heightPixels = SCREEN_HEIGHT_PX;

		MockitoAnnotations.initMocks(this);
		mTouchHandler = new BouncerSwipeTouchHandler(
		mDisplayMetrics,
		mStatusBarKeyguardViewManager,
		mStatusBar,
		mNotificationShadeWindowController,
		@@ -104,23 +110,29 @@ public class BouncerSwipeTouchHandlerTest extends SysuiTestCase {
		mFlingAnimationUtils,
		mFlingAnimationUtilsClosing,
		TOUCH_REGION);
		when(mStatusBar.getDisplayHeight()).thenReturn(SCREEN_HEIGHT_PX);

		when(mStatusBar.getDisplayHeight()).thenReturn((float) SCREEN_HEIGHT_PX);
		when(mValueAnimatorCreator.create(anyFloat(), anyFloat())).thenReturn(mValueAnimator);
		when(mVelocityTrackerFactory.obtain()).thenReturn(mVelocityTracker);
		}

		private static void beginValidSwipe(GestureDetector.OnGestureListener listener) {
		listener.onDown(MotionEvent.obtain(0, 0,
		MotionEvent.ACTION_DOWN, 0,
		SCREEN_HEIGHT_PX - (.5f * TOUCH_REGION * SCREEN_HEIGHT_PX), 0));
		}

		/**
		* Ensures expansion only happens when touch down happens in valid part of the screen.
		*/
		@FlakyTest
		@Test
		public void testSessionStart() {
		final Region region = Region.obtain();
		mTouchHandler.getTouchInitiationRegion(region);

		final Rect bounds = region.getBounds();

		final Rect expected = new Rect();

		expected.set(0, Math.round(SCREEN_HEIGHT_PX * (1 - TOUCH_REGION)), SCREEN_WIDTH_PX,
		SCREEN_HEIGHT_PX);

		assertThat(bounds).isEqualTo(expected);

		mTouchHandler.onSessionStart(mTouchSession);
		verify(mNotificationShadeWindowController).setForcePluginOpen(eq(true), any());
		ArgumentCaptor<InputChannelCompat.InputEventListener> eventListenerCaptor =
		@@ -130,34 +142,12 @@ public class BouncerSwipeTouchHandlerTest extends SysuiTestCase {
		verify(mTouchSession).registerGestureListener(gestureListenerCaptor.capture());
		verify(mTouchSession).registerInputListener(eventListenerCaptor.capture());

		final Random random = new Random(System.currentTimeMillis());

		// If an initial touch down meeting criteria has been met, scroll behavior should be
		// ignored.
		assertThat(gestureListenerCaptor.getValue()
		.onScroll(Mockito.mock(MotionEvent.class),
		Mockito.mock(MotionEvent.class),
		random.nextFloat(),
		random.nextFloat())).isFalse();

		// A touch at the top of the screen should also not trigger listening.
		final MotionEvent touchDownEvent = MotionEvent.obtain(0, 0, MotionEvent.ACTION_DOWN,
		0, 0, 0);

		gestureListenerCaptor.getValue().onDown(touchDownEvent);
		assertThat(gestureListenerCaptor.getValue()
		.onScroll(Mockito.mock(MotionEvent.class),
		Mockito.mock(MotionEvent.class),
		random.nextFloat(),
		random.nextFloat())).isFalse();

		// A touch within range at the bottom of the screen should trigger listening
		beginValidSwipe(gestureListenerCaptor.getValue());
		assertThat(gestureListenerCaptor.getValue()
		.onScroll(Mockito.mock(MotionEvent.class),
		Mockito.mock(MotionEvent.class),
		random.nextFloat(),
		random.nextFloat())).isTrue();
		1,
		2)).isTrue();
		}

		/**
		@@ -170,8 +160,6 @@ public class BouncerSwipeTouchHandlerTest extends SysuiTestCase {
		ArgumentCaptor.forClass(GestureDetector.OnGestureListener.class);
		verify(mTouchSession).registerGestureListener(gestureListenerCaptor.capture());

		beginValidSwipe(gestureListenerCaptor.getValue());

		final float scrollAmount = .3f;
		final float distanceY = SCREEN_HEIGHT_PX * scrollAmount;

		@@ -203,8 +191,6 @@ public class BouncerSwipeTouchHandlerTest extends SysuiTestCase {

		when(mVelocityTracker.getYVelocity()).thenReturn(velocityY);

		beginValidSwipe(gestureListenerCaptor.getValue());

		final float distanceY = SCREEN_HEIGHT_PX * position;

		final MotionEvent event1 = MotionEvent.obtain(0, 0, MotionEvent.ACTION_MOVE,

packages/SystemUI/tests/src/com/android/systemui/dreams/touch/DreamOverlayTouchMonitorTest.java

+78 −0

Original line number	Diff line number	Diff line
		@@ -21,10 +21,13 @@ import static com.google.common.truth.Truth.assertThat;
		import static org.mockito.ArgumentMatchers.any;
		import static org.mockito.ArgumentMatchers.anyBoolean;
		import static org.mockito.ArgumentMatchers.eq;
		import static org.mockito.Mockito.doAnswer;
		import static org.mockito.Mockito.never;
		import static org.mockito.Mockito.verify;
		import static org.mockito.Mockito.when;

		import android.graphics.Rect;
		import android.graphics.Region;
		import android.testing.AndroidTestingRunner;
		import android.util.Pair;
		import android.view.GestureDetector;
		@@ -136,6 +139,81 @@ public class DreamOverlayTouchMonitorTest extends SysuiTestCase {
		}
		}

		@Test
		public void testEntryTouchZone() {
		final DreamTouchHandler touchHandler = Mockito.mock(DreamTouchHandler.class);
		final Rect touchArea = new Rect(4, 4, 8 , 8);

		doAnswer(invocation -> {
		final Region region = (Region) invocation.getArguments()[0];
		region.set(touchArea);
		return null;
		}).when(touchHandler).getTouchInitiationRegion(any());

		final Environment environment = new Environment(Stream.of(touchHandler)
		.collect(Collectors.toCollection(HashSet::new)));

		// Ensure touch outside specified region is not delivered.
		final MotionEvent initialEvent = Mockito.mock(MotionEvent.class);
		when(initialEvent.getX()).thenReturn(0.0f);
		when(initialEvent.getY()).thenReturn(1.0f);
		environment.publishInputEvent(initialEvent);
		verify(touchHandler, never()).onSessionStart(any());

		// Make sure touch inside region causes session start.
		when(initialEvent.getX()).thenReturn(5.0f);
		when(initialEvent.getY()).thenReturn(5.0f);
		environment.publishInputEvent(initialEvent);
		verify(touchHandler).onSessionStart(any());
		}

		@Test
		public void testSessionCount() {
		final DreamTouchHandler touchHandler = Mockito.mock(DreamTouchHandler.class);
		final Rect touchArea = new Rect(4, 4, 8 , 8);

		final DreamTouchHandler unzonedTouchHandler = Mockito.mock(DreamTouchHandler.class);
		doAnswer(invocation -> {
		final Region region = (Region) invocation.getArguments()[0];
		region.set(touchArea);
		return null;
		}).when(touchHandler).getTouchInitiationRegion(any());

		final Environment environment = new Environment(Stream.of(touchHandler, unzonedTouchHandler)
		.collect(Collectors.toCollection(HashSet::new)));

		// Ensure touch outside specified region is delivered to unzoned touch handler.
		final MotionEvent initialEvent = Mockito.mock(MotionEvent.class);
		when(initialEvent.getX()).thenReturn(0.0f);
		when(initialEvent.getY()).thenReturn(1.0f);
		environment.publishInputEvent(initialEvent);

		ArgumentCaptor<DreamTouchHandler.TouchSession> touchSessionCaptor = ArgumentCaptor.forClass(
		DreamTouchHandler.TouchSession.class);

		// Make sure only one active session.
		{
		verify(unzonedTouchHandler).onSessionStart(touchSessionCaptor.capture());
		final DreamTouchHandler.TouchSession touchSession = touchSessionCaptor.getValue();
		assertThat(touchSession.getActiveSessionCount()).isEqualTo(1);
		touchSession.pop();
		environment.executeAll();
		}

		// Make sure touch inside the touch region.
		when(initialEvent.getX()).thenReturn(5.0f);
		when(initialEvent.getY()).thenReturn(5.0f);
		environment.publishInputEvent(initialEvent);

		// Make sure there are two active sessions.
		{
		verify(touchHandler).onSessionStart(touchSessionCaptor.capture());
		final DreamTouchHandler.TouchSession touchSession = touchSessionCaptor.getValue();
		assertThat(touchSession.getActiveSessionCount()).isEqualTo(2);
		touchSession.pop();
		}
		}

		@Test
		public void testInputEventPropagation() {
		final DreamTouchHandler touchHandler = Mockito.mock(DreamTouchHandler.class);