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https://github.com/servo/servo
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62ae12b6a5
I just wanted to do abort signal, but then this happend. Testing: Just refactor, should be covered by WPT tests Part of #40600 Signed-off-by: sagudev <16504129+sagudev@users.noreply.github.com>
51 lines
1.6 KiB
Rust
51 lines
1.6 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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//! Trait representing the concept of [transferable objects]
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//! (<https://html.spec.whatwg.org/multipage/#transferable-objects>).
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use std::hash::Hash;
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use base::id::NamespaceIndex;
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use rustc_hash::FxHashMap;
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use script_bindings::structuredclone::MarkedAsTransferableInIdl;
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use crate::dom::bindings::error::Fallible;
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use crate::dom::bindings::reflector::DomObject;
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use crate::dom::bindings::root::DomRoot;
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use crate::dom::bindings::structuredclone::StructuredData;
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use crate::dom::globalscope::GlobalScope;
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pub(crate) trait Transferable: DomObject + MarkedAsTransferableInIdl
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where
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Self: Sized,
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{
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type Index: Copy + Eq + Hash;
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type Data;
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fn can_transfer(&self) -> bool {
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true
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}
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/// <https://html.spec.whatwg.org/multipage/#transfer-steps>
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fn transfer(
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&self,
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cx: &mut js::context::JSContext,
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) -> Fallible<(NamespaceIndex<Self::Index>, Self::Data)>;
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/// <https://html.spec.whatwg.org/multipage/#transfer-receiving-steps>
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fn transfer_receive(
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cx: &mut js::context::JSContext,
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owner: &GlobalScope,
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id: NamespaceIndex<Self::Index>,
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serialized: Self::Data,
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) -> Result<DomRoot<Self>, ()>;
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fn serialized_storage<'a>(
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data: StructuredData<'a, '_>,
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) -> &'a mut Option<FxHashMap<NamespaceIndex<Self::Index>, Self::Data>>;
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}
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pub(crate) fn assert_transferable<T: Transferable>() {}
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