Struct LifecycleManager 

pub struct LifecycleManager { /* private fields */ }

Manager for widget lifecycle hooks.

Implementations

impl LifecycleManager

pub fn new() -> LifecycleManager

Create a new lifecycle manager.

pub fn register( &mut self, widget_id: WidgetId, phases: Vec<LifecyclePhase>, callback: Box<dyn FnMut(LifecycleEvent) + Send>, ) -> HookId

Register a lifecycle hook.

Returns a hook ID that can be used to unregister the hook.

pub fn on_mount( &mut self, widget_id: WidgetId, callback: Box<dyn FnMut(LifecycleEvent) + Send>, ) -> HookId

Register a mount hook.

pub fn on_unmount( &mut self, widget_id: WidgetId, callback: Box<dyn FnMut(LifecycleEvent) + Send>, ) -> HookId

Register an unmount hook.

pub fn on_update( &mut self, widget_id: WidgetId, callback: Box<dyn FnMut(LifecycleEvent) + Send>, ) -> HookId

Register an update hook.

pub fn on_focus( &mut self, widget_id: WidgetId, callback: Box<dyn FnMut(LifecycleEvent) + Send>, ) -> HookId

Register a focus hook.

pub fn on_blur( &mut self, widget_id: WidgetId, callback: Box<dyn FnMut(LifecycleEvent) + Send>, ) -> HookId

Register a blur hook.

pub fn unregister(&mut self, hook_id: HookId) -> bool

Unregister a hook.

pub fn unregister_widget(&mut self, widget_id: WidgetId)

Unregister all hooks for a widget.

pub fn emit(&mut self, widget_id: WidgetId, phase: LifecyclePhase)

Emit a lifecycle event immediately.

pub fn queue(&mut self, widget_id: WidgetId, phase: LifecyclePhase)

Queue a lifecycle event for later dispatch.

pub fn flush(&mut self)

Dispatch all pending events.

pub fn pending_count(&self) -> usize

Get the number of pending events.

pub fn tick(&mut self)

Advance the timestamp.

pub fn timestamp(&self) -> u64

Get the current timestamp.

pub fn hook_count(&self) -> usize

Get the number of registered hooks.

pub fn has_hooks(&self, widget_id: WidgetId) -> bool

Check if a widget has any hooks.

pub fn clear(&mut self)

Clear all hooks and events.

Trait Implementations

impl Debug for LifecycleManager

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

Formats the value using the given formatter.

impl Default for LifecycleManager

fn default() -> LifecycleManager

Returns the “default value” for a type.