Merge "YouTube and YTMusic trigger a race which causes the AnimatorSet to... (1699d32a) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/media/MediaControlPanel.java

+0 −25

Original line number	Diff line number	Diff line
		@@ -50,7 +50,6 @@ import android.util.Log;
		import android.util.Pair;
		import android.view.View;
		import android.view.ViewGroup;
		import android.view.ViewTreeObserver;
		import android.view.animation.Interpolator;
		import android.widget.ImageButton;
		import android.widget.ImageView;
		@@ -553,30 +552,6 @@ public class MediaControlPanel {

		// refreshState is required here to resize the text views (and prevent ellipsis)
		mMediaViewController.refreshState();

		// Use OnPreDrawListeners to enforce zero alpha on these views for a frame.
		// TransitionLayout insists on resetting the alpha of these views to 1 when onLayout
		// is called which causes the animation to look bad. These suppress that behavior.
		titleText.getViewTreeObserver().addOnPreDrawListener(
		new ViewTreeObserver.OnPreDrawListener() {
		@Override
		public boolean onPreDraw() {
		titleText.setAlpha(0);
		titleText.getViewTreeObserver().removeOnPreDrawListener(this);
		return true;
		}
		});

		artistText.getViewTreeObserver().addOnPreDrawListener(
		new ViewTreeObserver.OnPreDrawListener() {
		@Override
		public boolean onPreDraw() {
		artistText.setAlpha(0);
		artistText.getViewTreeObserver().removeOnPreDrawListener(this);
		return true;
		}
		});

		return Unit.INSTANCE;
		},
		() -> {

packages/SystemUI/src/com/android/systemui/media/MetadataAnimationHandler.kt

+8 −18

Original line number	Diff line number	Diff line
		@@ -18,8 +18,6 @@ package com.android.systemui.media

		import android.animation.Animator
		import android.animation.AnimatorListenerAdapter
		import android.animation.AnimatorSet
		import com.android.internal.annotations.VisibleForTesting

		/**
		* MetadataAnimationHandler controls the current state of the MediaControlPanel's transition motion.
		@@ -33,37 +31,37 @@ internal open class MetadataAnimationHandler(
		private val enterAnimator: Animator
		) : AnimatorListenerAdapter() {

		private val animator: AnimatorSet
		private var postExitUpdate: (() -> Unit)? = null
		private var postEnterUpdate: (() -> Unit)? = null
		private var targetData: Any? = null

		val isRunning: Boolean
		get() = animator.isRunning
		get() = enterAnimator.isRunning \|\| exitAnimator.isRunning

		fun setNext(targetData: Any, postExit: () -> Unit, postEnter: () -> Unit): Boolean {
		if (targetData != this.targetData) {
		this.targetData = targetData
		postExitUpdate = postExit
		postEnterUpdate = postEnter
		if (!animator.isRunning) {
		animator.start()
		if (!isRunning) {
		exitAnimator.start()
		}
		return true
		}
		return false
		}

		override fun onAnimationEnd(animator: Animator) {
		if (animator === exitAnimator) {
		override fun onAnimationEnd(anim: Animator) {
		if (anim === exitAnimator) {
		postExitUpdate?.let { it() }
		postExitUpdate = null
		enterAnimator.start()
		}

		if (animator === enterAnimator) {
		if (anim === enterAnimator) {
		// Another new update appeared while entering
		if (postExitUpdate != null) {
		this.animator.start()
		exitAnimator.start()
		} else {
		postEnterUpdate?.let { it() }
		postEnterUpdate = null
		@@ -74,13 +72,5 @@ internal open class MetadataAnimationHandler(
		init {
		exitAnimator.addListener(this)
		enterAnimator.addListener(this)
		animator = buildAnimatorSet(exitAnimator, enterAnimator)
		}

		@VisibleForTesting
		protected open fun buildAnimatorSet(exit: Animator, enter: Animator): AnimatorSet {
		val result = AnimatorSet()
		result.playSequentially(exitAnimator, enterAnimator)
		return result
		}
		}
		No newline at end of file

packages/SystemUI/tests/src/com/android/systemui/media/MediaControlPanelTest.kt

+2 −2

Original line number	Diff line number	Diff line
		@@ -947,7 +947,7 @@ public class MediaControlPanelTest : SysuiTestCase() {

		// Rebinding should not trigger animation
		player.bindPlayer(mediaData, PACKAGE)
		verify(mockAnimator, times(1)).start()
		verify(mockAnimator, times(2)).start()
		}

		@Test
		@@ -969,7 +969,7 @@ public class MediaControlPanelTest : SysuiTestCase() {

		// Bind trigges new animation
		player.bindPlayer(data1, PACKAGE)
		verify(mockAnimator, times(2)).start()
		verify(mockAnimator, times(3)).start()
		whenever(mockAnimator.isRunning()).thenReturn(true)

		// Rebind before animation end binds corrct data

packages/SystemUI/tests/src/com/android/systemui/media/MetadataAnimationHandlerTest.kt

+42 −18

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

		import org.mockito.Mockito.`when` as whenever
		import android.animation.Animator
		import android.animation.AnimatorSet
		import android.test.suitebuilder.annotation.SmallTest
		import android.testing.AndroidTestingRunner
		import android.testing.TestableLooper
		@@ -44,7 +43,6 @@ class MetadataAnimationHandlerTest : SysuiTestCase() {
		private interface Callback : () -> Unit
		private lateinit var handler: MetadataAnimationHandler

		@Mock private lateinit var animatorSet: AnimatorSet
		@Mock private lateinit var enterAnimator: Animator
		@Mock private lateinit var exitAnimator: Animator
		@Mock private lateinit var postExitCB: Callback
		@@ -54,11 +52,7 @@ class MetadataAnimationHandlerTest : SysuiTestCase() {

		@Before
		fun setUp() {
		handler = object : MetadataAnimationHandler(exitAnimator, enterAnimator) {
		override fun buildAnimatorSet(exit: Animator, enter: Animator): AnimatorSet {
		return animatorSet
		}
		}
		handler = MetadataAnimationHandler(exitAnimator, enterAnimator)
		}

		@After
		@@ -69,22 +63,31 @@ class MetadataAnimationHandlerTest : SysuiTestCase() {
		val cb = { fail("Unexpected callback") }
		handler.setNext("data-1", cb, cb)

		verify(animatorSet).start()
		verify(exitAnimator).start()
		}

		@Test
		fun executeAnimationEnd_runsCallacks() {
		// We expect this first call to only start the exit animator
		handler.setNext("data-1", postExitCB, postEnterCB)
		verify(animatorSet, times(1)).start()
		verify(exitAnimator, times(1)).start()
		verify(enterAnimator, never()).start()
		verify(postExitCB, never()).invoke()
		verify(postEnterCB, never()).invoke()

		// After the exit animator completes,
		// the exit cb should run, and enter animation should start
		handler.onAnimationEnd(exitAnimator)
		verify(animatorSet, times(1)).start()
		verify(exitAnimator, times(1)).start()
		verify(enterAnimator, times(1)).start()
		verify(postExitCB, times(1)).invoke()
		verify(postEnterCB, never()).invoke()

		// After the exit animator completes,
		// the enter cb should run without other state changes
		handler.onAnimationEnd(enterAnimator)
		verify(animatorSet, times(1)).start()
		verify(exitAnimator, times(1)).start()
		verify(enterAnimator, times(1)).start()
		verify(postExitCB, times(1)).invoke()
		verify(postEnterCB, times(1)).invoke()
		}
		@@ -120,38 +123,58 @@ class MetadataAnimationHandlerTest : SysuiTestCase() {
		val postExitCB2 = mock(Callback::class.java)
		val postEnterCB2 = mock(Callback::class.java)

		// We expect this first call to only start the exit animator
		handler.setNext("data-1", postExitCB, postEnterCB)
		verify(animatorSet, times(1)).start()
		verify(exitAnimator, times(1)).start()
		verify(enterAnimator, never()).start()
		verify(postExitCB, never()).invoke()
		verify(postExitCB2, never()).invoke()
		verify(postEnterCB, never()).invoke()
		verify(postEnterCB2, never()).invoke()

		whenever(animatorSet.isRunning()).thenReturn(true)
		// After the exit animator completes,
		// the exit cb should run, and enter animation should start
		whenever(exitAnimator.isRunning()).thenReturn(true)
		whenever(enterAnimator.isRunning()).thenReturn(false)
		handler.onAnimationEnd(exitAnimator)
		verify(animatorSet, times(1)).start()
		verify(exitAnimator, times(1)).start()
		verify(enterAnimator, times(1)).start()
		verify(postExitCB, times(1)).invoke()
		verify(postExitCB2, never()).invoke()
		verify(postEnterCB, never()).invoke()
		verify(postEnterCB2, never()).invoke()

		// Setting new data before the enter animator completes should not trigger
		// the exit animator an additional time (since it's already running)
		whenever(exitAnimator.isRunning()).thenReturn(false)
		whenever(enterAnimator.isRunning()).thenReturn(true)
		handler.setNext("data-2", postExitCB2, postEnterCB2)
		verify(exitAnimator, times(1)).start()

		// Finishing the enterAnimator should cause the exitAnimator to fire again
		// since the data change and additional time. No enterCB should be executed.
		handler.onAnimationEnd(enterAnimator)
		verify(animatorSet, times(2)).start()
		verify(exitAnimator, times(2)).start()
		verify(enterAnimator, times(1)).start()
		verify(postExitCB, times(1)).invoke()
		verify(postExitCB2, never()).invoke()
		verify(postEnterCB, never()).invoke()
		verify(postEnterCB2, never()).invoke()

		// Continuing the sequence, this triggers the enter animator an additional time
		handler.onAnimationEnd(exitAnimator)
		verify(animatorSet, times(2)).start()
		verify(exitAnimator, times(2)).start()
		verify(enterAnimator, times(2)).start()
		verify(postExitCB, times(1)).invoke()
		verify(postExitCB2, times(1)).invoke()
		verify(postEnterCB, never()).invoke()
		verify(postEnterCB2, never()).invoke()

		// And finally the enter animator completes,
		// triggering the correct postEnterCallback to fire
		handler.onAnimationEnd(enterAnimator)
		verify(animatorSet, times(2)).start()
		verify(exitAnimator, times(2)).start()
		verify(enterAnimator, times(2)).start()
		verify(postExitCB, times(1)).invoke()
		verify(postExitCB2, times(1)).invoke()
		verify(postEnterCB, never()).invoke()
		@@ -172,6 +195,7 @@ class MetadataAnimationHandlerTest : SysuiTestCase() {
		fun enterAnimatorEndsWithoutCallback_noAnimatiorStart() {
		handler.onAnimationEnd(enterAnimator)

		verify(animatorSet, never()).start()
		verify(exitAnimator, never()).start()
		verify(enterAnimator, never()).start()
		}
		}