UiMotionSpec class
A complete, theme-resolved contract for an interruptible transition.
Open UI components use this instead of hard-coded durations and curves. External consumers can resolve the same contract with resolve, configure their controller with configure, and transform its progress with transform.
- Annotations
Constructors
- UiMotionSpec({required Duration duration, required Duration reverseDuration, required Curve curve, required Curve reverseCurve})
-
const
- UiMotionSpec.fromTokens(UiMotionTokens tokens, {UiMotionSpeed duration = UiMotionSpeed.standard, UiMotionSpeed reverseDuration = UiMotionSpeed.fast, Curve? curve, Curve? reverseCurve})
-
factory
- UiMotionSpec.resolve(BuildContext context, {UiMotionSpeed duration = UiMotionSpeed.standard, UiMotionSpeed reverseDuration = UiMotionSpeed.fast, Curve? curve, Curve? reverseCurve})
-
Resolves timing and easing from the active Open UI theme.
factory
- UiMotionSpec.resolveCustom(BuildContext context, {required Duration duration, Duration? reverseDuration, Curve? curve, Curve? reverseCurve})
-
Resolves explicit authored timing while preserving reduced-motion
behavior. Prefer resolve when semantic speed tokens are sufficient.
factory
- UiMotionSpec.resolveTiming(BuildContext context, {UiMotionDuration duration = UiMotionDuration.standard, UiMotionDuration reverseDuration = UiMotionDuration.fast, Curve? curve, Curve? reverseCurve})
-
Resolves token-or-custom duration values into one motion contract.
factory
Properties
- curve → Curve
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final
- duration → Duration
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final
- hashCode → int
-
The hash code for this object.
no setterinherited
- isReduced → bool
-
no setter
- reverseCurve → Curve
-
final
- reverseDuration → Duration
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final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
configure(
AnimationController controller) → void -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
-
transform(
double value, {required bool reversing}) → double - Applies the correct curve for the controller's current direction.
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Methods
-
resolveDuration(
UiMotionTokens tokens, UiMotionSpeed speed) → Duration - Resolves a semantic speed against a concrete motion-token set.