Trait webkit2gtk_webextension::prelude::WeakValueExt

pub trait WeakValueExt: 'static {
    fn value(&self) -> Option<Value>;
    fn connect_cleared<F>(&self, f: F) -> SignalHandlerId
    where
        F: 'static + Fn(&Self);
}

Trait containing all WeakValue methods.

Implementors

WeakValue

Required Methods

fn value(&self) -> Option<Value>

Get a Value referencing the JavaScript value of self.

Returns

a new Value or None if self was cleared.

fn connect_cleared<F>(&self, f: F) -> SignalHandlerIdwhere
    F: 'static + Fn(&Self),

This signal is emitted when the JavaScript value is destroyed.

Implementors

impl<O> WeakValueExt for Owhere
    O: IsA<WeakValue>,