Merge "Don't pull magnetized objects into the target unless they're dragged."... (6823d393) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/pip/phone/PipTouchHandler.java

+4 −3

Original line number	Diff line number	Diff line
		@@ -266,6 +266,10 @@ public class PipTouchHandler {

		mMagnetizedPip = mMotionHelper.getMagnetizedPip();
		mMagneticTarget = mMagnetizedPip.addTarget(mTargetView, 0);

		// Set the magnetic field radius equal to twice the size of the target.
		mMagneticTarget.setMagneticFieldRadiusPx(targetSize * 2);

		mMagnetizedPip.setPhysicsAnimatorUpdateListener(mMotionHelper.mResizePipUpdateListener);
		mMagnetizedPip.setMagnetListener(new MagnetizedObject.MagnetListener() {
		@Override
		@@ -504,9 +508,6 @@ public class PipTouchHandler {
		mTargetView.setTranslationY(mTargetViewContainer.getHeight());
		mTargetViewContainer.setVisibility(View.VISIBLE);

		// Set the magnetic field radius to half of PIP's width.
		mMagneticTarget.setMagneticFieldRadiusPx(mMotionHelper.getBounds().width());

		// Cancel in case we were in the middle of animating it out.
		mMagneticTargetAnimator.cancel();
		mMagneticTargetAnimator

packages/SystemUI/src/com/android/systemui/util/magnetictarget/MagnetizedObject.kt

+31 −3

Original line number	Diff line number	Diff line
		@@ -27,6 +27,7 @@ import android.provider.Settings
		import android.view.MotionEvent
		import android.view.VelocityTracker
		import android.view.View
		import android.view.ViewConfiguration
		import androidx.dynamicanimation.animation.DynamicAnimation
		import androidx.dynamicanimation.animation.FloatPropertyCompat
		import androidx.dynamicanimation.animation.SpringForce
		@@ -146,6 +147,10 @@ abstract class MagnetizedObject<T : Any>(
		private val velocityTracker: VelocityTracker = VelocityTracker.obtain()
		private val vibrator: Vibrator = context.getSystemService(Context.VIBRATOR_SERVICE) as Vibrator

		private var touchDown = PointF()
		private var touchSlop = 0
		private var movedBeyondSlop = false

		/** Whether touch events are presently occurring within the magnetic field area of a target. */
		val objectStuckToTarget: Boolean
		get() = targetObjectIsStuckTo != null
		@@ -324,15 +329,32 @@ abstract class MagnetizedObject<T : Any>(
		// When a gesture begins, recalculate target views' positions on the screen in case they
		// have changed. Also, clear state.
		if (ev.action == MotionEvent.ACTION_DOWN) {
		updateTargetViewLocations()
		updateTargetViews()

		// Clear the velocity tracker and assume we're not stuck to a target yet.
		// Clear the velocity tracker and stuck target.
		velocityTracker.clear()
		targetObjectIsStuckTo = null

		// Set the touch down coordinates and reset movedBeyondSlop.
		touchDown.set(ev.rawX, ev.rawY)
		movedBeyondSlop = false
		}

		// Always pass events to the VelocityTracker.
		addMovement(ev)

		// If we haven't yet moved beyond the slop distance, check if we have.
		if (!movedBeyondSlop) {
		val dragDistance = hypot(ev.rawX - touchDown.x, ev.rawY - touchDown.y)
		if (dragDistance > touchSlop) {
		// If we're beyond the slop distance, save that and continue.
		movedBeyondSlop = true
		} else {
		// Otherwise, don't do anything yet.
		return false
		}
		}

		val targetObjectIsInMagneticFieldOf = associatedTargets.firstOrNull { target ->
		val distanceFromTargetCenter = hypot(
		ev.rawX - target.centerOnScreen.x,
		@@ -559,8 +581,14 @@ abstract class MagnetizedObject<T : Any>(
		}

		/** Updates the locations on screen of all of the [associatedTargets]. */
		internal fun updateTargetViewLocations() {
		internal fun updateTargetViews() {
		associatedTargets.forEach { it.updateLocationOnScreen() }

		// Update the touch slop, since the configuration may have changed.
		if (associatedTargets.size > 0) {
		touchSlop =
		ViewConfiguration.get(associatedTargets[0].targetView.context).scaledTouchSlop
		}
		}

		/**

packages/SystemUI/tests/src/com/android/systemui/util/magnetictarget/MagnetizedObjectTest.kt

+8 −4

Original line number	Diff line number	Diff line
		@@ -186,8 +186,8 @@ class MagnetizedObjectTest : SysuiTestCase() {

		@Test
		fun testMotionEventConsumption_downInMagneticField() {
		// We should consume DOWN events if they occur in the field.
		assertTrue(magnetizedObject.maybeConsumeMotionEvent(getMotionEvent(
		// We should not consume DOWN events even if they occur in the field.
		assertFalse(magnetizedObject.maybeConsumeMotionEvent(getMotionEvent(
		x = targetCenterX, y = targetCenterY, action = MotionEvent.ACTION_DOWN)))
		}

		@@ -342,10 +342,14 @@ class MagnetizedObjectTest : SysuiTestCase() {
		// Trigger the magnet animation, and block the test until it ends.
		PhysicsAnimatorTestUtils.setAllAnimationsBlock(true)
		magnetizedObject.maybeConsumeMotionEvent(getMotionEvent(
		x = targetCenterX,
		y = targetCenterY,
		x = targetCenterX - 250,
		y = targetCenterY - 250,
		action = MotionEvent.ACTION_DOWN))

		magnetizedObject.maybeConsumeMotionEvent(getMotionEvent(
		x = targetCenterX,
		y = targetCenterY))

		// The object's (top-left) position should now position it centered over the target.
		assertEquals(targetCenterX - objectSize / 2, objectX)
		assertEquals(targetCenterY - objectSize / 2, objectY)