Struct zng_var::VARS_APP

pub struct VARS_APP;

VARS APP integration.

Implementations

impl VARS_APP

pub fn init_app_waker(&self, waker: impl Fn() + Send + Sync + 'static)

Register a closure called when apply_updates should be called because there are changes pending.

Panics

Panics if already called for the current app. This must be called by app framework implementers only.

pub fn init_modify_trace( &self, trace: impl Fn(&'static str) + Send + Sync + 'static )

Register a closure called when a variable modify is about to be scheduled. The closure parameter is the type name of the variable type.

Panics

Panics if already called for the current app. This must be called by app framework implementers only.

pub fn has_pending_updates(&self) -> bool

If apply_updates will do anything.

pub fn set_sys_animations_enabled(&self, enabled: bool)

Sets the sys_animations_enabled read-only variable.

pub fn apply_updates(&self)

Apply all pending updates, call hooks and update bindings.

This must be called by app framework implementers only.

pub fn update_animations(&self, timer: &mut impl AnimationTimer)

Does one animation frame if the frame duration has elapsed.

This must be called by app framework implementers only.

pub fn next_deadline(&self, timer: &mut impl AnimationTimer)

Register the next animation frame, if there are any active animations.

This must be called by app framework implementers only.