components/script/dom/bindings/transferable.rs


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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

//! Trait representing the concept of [transferable objects]
//! (https://html.spec.whatwg.org/multipage/#transferable-objects).

use crate::dom::bindings::reflector::DomObject;
use crate::dom::bindings::root::DomRoot;
use crate::dom::bindings::structuredclone::StructuredDataHolder;
use crate::dom::globalscope::GlobalScope;
use js::jsapi::MutableHandleObject;

pub trait Transferable: DomObject {
    fn transfer(&self, sc_holder: &mut StructuredDataHolder) -> Result<u64, ()>;
    fn transfer_receive(
        owner: &DomRoot<GlobalScope>,
        sc_holder: &mut StructuredDataHolder,
        extra_data: u64,
        return_object: MutableHandleObject,
    ) -> Result<(), ()>;
}