Snap for 13997225 from 4a59055c846f03aeb12e97c632323951b65924aa to 25Q4-release (e647e638) · Commits · e / os / android_frameworks_libs_systemui

mechanics/src/com/android/mechanics/MotionValue.kt

+15 −6

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@
		package com.android.mechanics

		import androidx.compose.runtime.FloatState
		import androidx.compose.runtime.annotation.FrequentlyChangingValue
		import androidx.compose.runtime.derivedStateOf
		import androidx.compose.runtime.getValue
		import androidx.compose.runtime.mutableFloatStateOf
		@@ -139,10 +140,11 @@ class MotionValue(
		)

		/** The [MotionSpec] describing the mapping of this [MotionValue]'s input to the output. */
		val spec: MotionSpec by impl::spec
		// TODO(b/441041846): This should not change frequently
		@get:FrequentlyChangingValue val spec: MotionSpec by impl::spec

		/** Animated [output] value. */
		val output: Float by impl::output
		@get:FrequentlyChangingValue val output: Float by impl::output

		/**
		* [output] value, but without animations.
		@@ -151,13 +153,15 @@ class MotionValue(
		*
		* While [isStable], [outputTarget] and [output] are the same value.
		*/
		val outputTarget: Float by impl::outputTarget
		// TODO(b/441041846): This should not change frequently
		@get:FrequentlyChangingValue val outputTarget: Float by impl::outputTarget

		/** The [output] exposed as [FloatState]. */
		override val floatValue: Float by impl::output
		@get:FrequentlyChangingValue override val floatValue: Float by impl::output

		/** Whether an animation is currently running. */
		val isStable: Boolean by impl::isStable
		// TODO(b/441041846): This should not change frequently
		@get:FrequentlyChangingValue val isStable: Boolean by impl::isStable

		/**
		* Whether the output can change its value.
		@@ -167,18 +171,23 @@ class MotionValue(
		* output is guaranteed not to change unless the [spec] or the input (enough to change segments)
		* changes. This can be used to avoid unnecessary work like recomposition or re-measurement.
		*/
		val isOutputFixed: Boolean by impl::isOutputFixed
		// TODO(b/441041846): This should not change frequently
		@get:FrequentlyChangingValue val isOutputFixed: Boolean by impl::isOutputFixed

		/**
		* The current value for the [SemanticKey].
		*
		* `null` if not defined in the spec.
		*/
		// TODO(b/441041846): This should not change frequently
		@FrequentlyChangingValue
		operator fun <T> get(key: SemanticKey<T>): T? {
		return impl.semanticState(key)
		}

		/** The current segment used to compute the output. */
		// TODO(b/441041846): This should not change frequently
		@get:FrequentlyChangingValue
		val segmentKey: SegmentKey
		get() = impl.currentComputedValues.segment.key