Struct AnimationTimeline

pub(crate) struct AnimationTimeline {
    current_value: f64,
}

A AnimationTimeline which is used to synchronize animations during the script event loop.

Fields

current_value: f64

Implementations

impl AnimationTimeline

pub(crate) fn new() -> Self

Creates a new “normal” timeline, i.e., a “Current” mode timer.

pub(crate) fn new_for_testing() -> Self

Creates a new “test mode” timeline, with initial time 0.

pub(crate) fn current_value(&self) -> f64

Returns the current value of the timeline in seconds.

pub(crate) fn update(&mut self)

Updates the value of the AnimationTimeline to the current clock time.

pub(crate) fn advance_specific(&mut self, by: f64)

Increments the current value of the timeline by a specific number of seconds. This is used for testing.

Trait Implementations

impl Clone for AnimationTimeline

fn clone(&self) -> AnimationTimeline

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for AnimationTimeline

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl MallocSizeOf for AnimationTimeline

fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize

Measure the heap usage of all descendant heap-allocated structures, but not the space taken up by the value itself.

impl Traceable for AnimationTimeline

unsafe fn trace(&self, tracer: *mut JSTracer)

Trace self.

impl Copy for AnimationTimeline