Merge "A few fixes for animation takeovers." into main (3802103d) · Commits · e / os / android_frameworks_base

packages/SystemUI/animation/src/com/android/systemui/animation/ActivityTransitionAnimator.kt

+12 −24

Original line number	Diff line number	Diff line
		@@ -867,6 +867,9 @@ constructor(
		) {
		// Raise closing task to "above" layer so it isn't covered.
		t.setLayer(target.leash, aboveLayers - i)
		} else if (TransitionUtil.isOpeningType(change.mode)) {
		// Put into the "below" layer space.
		t.setLayer(target.leash, belowLayers - i)
		}
		} else if (TransitionInfo.isIndependent(change, info)) {
		// Root tasks
		@@ -1147,7 +1150,7 @@ constructor(
		// If a [controller.windowAnimatorState] exists, treat this like a takeover.
		takeOverAnimationInternal(
		window,
		startWindowStates = null,
		startWindowState = null,
		startTransaction = null,
		callback,
		)
		@@ -1162,22 +1165,23 @@ constructor(
		callback: IRemoteAnimationFinishedCallback?,
		) {
		val window = setUpAnimation(apps, callback) ?: return
		takeOverAnimationInternal(window, startWindowStates, startTransaction, callback)
		val startWindowState = startWindowStates[apps!!.indexOf(window)]
		takeOverAnimationInternal(window, startWindowState, startTransaction, callback)
		}

		private fun takeOverAnimationInternal(
		window: RemoteAnimationTarget,
		startWindowStates: Array<WindowAnimationState>?,
		startWindowState: WindowAnimationState?,
		startTransaction: SurfaceControl.Transaction?,
		callback: IRemoteAnimationFinishedCallback?,
		) {
		val useSpring =
		!controller.isLaunching && startWindowStates != null && startTransaction != null
		!controller.isLaunching && startWindowState != null && startTransaction != null
		startAnimation(
		window,
		navigationBar = null,
		useSpring,
		startWindowStates,
		startWindowState,
		startTransaction,
		callback,
		)
		@@ -1287,7 +1291,7 @@ constructor(
		window: RemoteAnimationTarget,
		navigationBar: RemoteAnimationTarget? = null,
		useSpring: Boolean = false,
		startingWindowStates: Array<WindowAnimationState>? = null,
		startingWindowState: WindowAnimationState? = null,
		startTransaction: SurfaceControl.Transaction? = null,
		iCallback: IRemoteAnimationFinishedCallback? = null,
		) {
		@@ -1333,6 +1337,7 @@ constructor(

		val isExpandingFullyAbove =
		transitionAnimator.isExpandingFullyAbove(controller.transitionContainer, endState)
		val windowState = startingWindowState ?: controller.windowAnimatorState

		// We animate the opening window and delegate the view expansion to [this.controller].
		val delegate = this.controller
		@@ -1355,18 +1360,6 @@ constructor(
		}
		}

		// The states are sorted matching the changes inside the transition info.
		// Using this info, the RemoteAnimationTargets are created, with their
		// prefixOrderIndex fields in reverse order to that of changes. To extract
		// the right state, we need to invert again.
		val windowState =
		if (startingWindowStates != null) {
		startingWindowStates[
		startingWindowStates.size - window.prefixOrderIndex]
		} else {
		controller.windowAnimatorState
		}

		// TODO(b/323863002): use the timestamp and velocity to update the initial
		// position.
		val bounds = windowState?.bounds
		@@ -1455,12 +1448,6 @@ constructor(
		delegate.onTransitionAnimationProgress(state, progress, linearProgress)
		}
		}
		val windowState =
		if (startingWindowStates != null) {
		startingWindowStates[startingWindowStates.size - window.prefixOrderIndex]
		} else {
		controller.windowAnimatorState
		}
		val velocityPxPerS =
		if (longLivedReturnAnimationsEnabled() && windowState?.velocityPxPerMs != null) {
		val xVelocityPxPerS = windowState.velocityPxPerMs.x * 1000
		@@ -1479,6 +1466,7 @@ constructor(
		fadeWindowBackgroundLayer = !controller.isBelowAnimatingWindow,
		drawHole = !controller.isBelowAnimatingWindow,
		startVelocity = velocityPxPerS,
		startFrameTime = windowState?.timestamp ?: -1,
		)
		}

packages/SystemUI/animation/src/com/android/systemui/animation/TransitionAnimator.kt

+48 −2

Original line number	Diff line number	Diff line
		@@ -27,6 +27,8 @@ import android.graphics.drawable.GradientDrawable
		import android.util.FloatProperty
		import android.util.Log
		import android.util.MathUtils
		import android.util.TimeUtils
		import android.view.Choreographer
		import android.view.View
		import android.view.ViewGroup
		import android.view.ViewGroupOverlay
		@@ -366,6 +368,7 @@ class TransitionAnimator(
		@get:VisibleForTesting val springY: SpringAnimation,
		@get:VisibleForTesting val springScale: SpringAnimation,
		private val springState: SpringState,
		private val startFrameTime: Long,
		private val onAnimationStart: Runnable,
		) : Animation {
		@get:VisibleForTesting
		@@ -374,6 +377,42 @@ class TransitionAnimator(

		override fun start() {
		onAnimationStart.run()

		// If no start frame time is provided, we start the springs normally.
		if (startFrameTime < 0) {
		startSprings()
		return
		}

		// This function is not guaranteed to be called inside a frame. We try to access the
		// frame time immediately, but if we're not inside a frame this will throw an exception.
		// We must then post a callback to be run at the beginning of the next frame.
		try {
		initAndStartSprings(Choreographer.getInstance().frameTime)
		} catch (_: IllegalStateException) {
		Choreographer.getInstance().postFrameCallback { frameTimeNanos ->
		initAndStartSprings(frameTimeNanos / TimeUtils.NANOS_PER_MS)
		}
		}
		}

		private fun initAndStartSprings(frameTime: Long) {
		// Initialize the spring as if it had started at the time that its start state
		// was created.
		springX.doAnimationFrame(startFrameTime)
		springY.doAnimationFrame(startFrameTime)
		springScale.doAnimationFrame(startFrameTime)
		// Move the spring time forward to the current frame, so it updates its internal state
		// following the initial momentum over the elapsed time.
		springX.doAnimationFrame(frameTime)
		springY.doAnimationFrame(frameTime)
		springScale.doAnimationFrame(frameTime)
		// Actually start the spring. We do this after the previous calls because the framework
		// doesn't like it when you call doAnimationFrame() after start() with an earlier time.
		startSprings()
		}

		private fun startSprings() {
		springX.start()
		springY.start()
		springScale.start()
		@@ -471,7 +510,9 @@ class TransitionAnimator(
		* is true.
		*
		* If [startVelocity] (expressed in pixels per second) is not null, a multi-spring animation
		* using it for the initial momentum will be used instead of the default interpolators.
		* using it for the initial momentum will be used instead of the default interpolators. In this
		* case, [startFrameTime] (if non-negative) represents the frame time at which the springs
		* should be started.
		*/
		fun startAnimation(
		controller: Controller,
		@@ -480,6 +521,7 @@ class TransitionAnimator(
		fadeWindowBackgroundLayer: Boolean = true,
		drawHole: Boolean = false,
		startVelocity: PointF? = null,
		startFrameTime: Long = -1,
		): Animation {
		if (!controller.isLaunching) assertReturnAnimations()
		if (startVelocity != null) assertLongLivedReturnAnimations()
		@@ -502,6 +544,7 @@ class TransitionAnimator(
		fadeWindowBackgroundLayer,
		drawHole,
		startVelocity,
		startFrameTime,
		)
		.apply { start() }
		}
		@@ -515,6 +558,7 @@ class TransitionAnimator(
		fadeWindowBackgroundLayer: Boolean = true,
		drawHole: Boolean = false,
		startVelocity: PointF? = null,
		startFrameTime: Long = -1,
		): Animation {
		val transitionContainer = controller.transitionContainer
		val transitionContainerOverlay = transitionContainer.overlay
		@@ -537,6 +581,7 @@ class TransitionAnimator(
		startState,
		endState,
		startVelocity,
		startFrameTime,
		windowBackgroundLayer,
		transitionContainer,
		transitionContainerOverlay,
		@@ -722,6 +767,7 @@ class TransitionAnimator(
		startState: State,
		endState: State,
		startVelocity: PointF,
		startFrameTime: Long,
		windowBackgroundLayer: GradientDrawable,
		transitionContainer: View,
		transitionContainerOverlay: ViewGroupOverlay,
		@@ -912,7 +958,7 @@ class TransitionAnimator(
		}
		}

		return MultiSpringAnimation(springX, springY, springScale, springState) {
		return MultiSpringAnimation(springX, springY, springScale, springState, startFrameTime) {
		onAnimationStart(
		controller,
		isExpandingFullyAbove,