Struct Engine 

pub struct Engine<P: WorkerProtocol + 'static = ValueProtocol> {
    pub state: EngineState,
    /* private fields */
}

A Copy handle to the render worker connection. Holds the reactive state, buffers outgoing messages until the worker connects, and routes application messages to a registered handler.

Fields

state: EngineState

The reactive render state exposed to the UI.

Implementations

impl<P: WorkerProtocol + 'static> Engine<P>

pub fn send_app(&self, message: P::Incoming)

Sends an application message to the worker, queuing it if the worker is not yet connected.

pub fn send_app_with_attachments( &self, message: P::Incoming, attachments: Attachments, )

Sends an application message with named binary attachments, whose buffers ride the transfer list.

pub fn on_app_message( &self, handler: impl Fn(P::Outgoing, Attachments) + 'static, )

Registers the handler invoked for each application message received from the worker, along with any attachments it carried.

pub fn send_key(&self, code: String, pressed: bool, text: Option<String>)

Forwards one keyboard event to the worker, for pages that own their key handling instead of installing Engine::install_key_forwarding.

pub fn install_key_forwarding(&self)

Installs global keydown and keyup listeners that forward keystrokes to the worker, skipping modifier combos and keys pressed while typing in a form field.

impl Engine<ValueProtocol>

pub fn send<Message: Serialize>(&self, message: &Message)

Sends an application-defined message to the worker as a JSON value, queuing it if the worker is not yet connected.

pub fn on_custom(&self, handler: Callback<Value>)

Registers the handler invoked for each JSON message received from the worker.

Trait Implementations

impl<P: WorkerProtocol + 'static> Clone for Engine<P>

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<P: WorkerProtocol + 'static> Copy for Engine<P>