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components/script/dom/bindings/transferable.rs
50 строк
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Narfinger
script: Move reflector construction to script_bindings (#44636)
08 май 2026, 11:12
Не верифицирован
08 май 2026, 11:12
3c605d1
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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 std::hash::Hash; use rustc_hash::FxHashMap; use script_bindings::reflector::DomObject; use script_bindings::structuredclone::MarkedAsTransferableInIdl; use servo_base::id::NamespaceIndex; use crate::dom::bindings::error::Fallible; use crate::dom::bindings::root::DomRoot; use crate::dom::bindings::structuredclone::StructuredData; use crate::dom::globalscope::GlobalScope; pub(crate) trait Transferable: DomObject + MarkedAsTransferableInIdl where Self: Sized, { type Index: Copy + Eq + Hash; type Data; fn can_transfer(&self) -> bool { true } /// <https://html.spec.whatwg.org/multipage/#transfer-steps> fn transfer( &self, cx: &mut js::context::JSContext, ) -> Fallible<(NamespaceIndex<Self::Index>, Self::Data)>; /// <https://html.spec.whatwg.org/multipage/#transfer-receiving-steps> fn transfer_receive( cx: &mut js::context::JSContext, owner: &GlobalScope, id: NamespaceIndex<Self::Index>, serialized: Self::Data, ) -> Result<DomRoot<Self>, ()>; fn serialized_storage<'a>( data: StructuredData<'a, '_>, ) -> &'a mut Option<FxHashMap<NamespaceIndex<Self::Index>, Self::Data>>; } pub(crate) fn assert_transferable<T: Transferable>() {}