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Introduce DynamicModuleOwner dom struct
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4 changed files with 72 additions and 0 deletions
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@ -47,6 +47,10 @@ DOMInterfaces = {
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'inRealms': ['PromiseAttribute', 'PromiseNativeHandler'],
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},
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'DynamicModuleOwner': {
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'inRealms': ['PromiseAttribute'],
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},
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'URL': {
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'weakReferenceable': True,
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},
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54
components/script/dom/dynamicmoduleowner.rs
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54
components/script/dom/dynamicmoduleowner.rs
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@ -0,0 +1,54 @@
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/* 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 https://mozilla.org/MPL/2.0/. */
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use crate::dom::bindings::codegen::Bindings::DynamicModuleOwnerBinding::DynamicModuleOwnerMethods;
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use crate::dom::bindings::reflector::{reflect_dom_object, Reflector};
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use crate::dom::bindings::root::DomRoot;
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use crate::dom::globalscope::GlobalScope;
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use crate::dom::promise::Promise;
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use dom_struct::dom_struct;
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use std::rc::Rc;
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use uuid::Uuid;
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/// An unique id for dynamic module
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#[derive(Clone, Copy, Debug, Eq, Hash, JSTraceable, PartialEq)]
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pub struct DynamicModuleId(pub Uuid);
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#[dom_struct]
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pub struct DynamicModuleOwner {
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reflector_: Reflector,
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#[ignore_malloc_size_of = "Rc"]
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promise: Rc<Promise>,
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/// Unique id for each dynamic module
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#[ignore_malloc_size_of = "Defined in uuid"]
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id: DynamicModuleId,
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}
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impl DynamicModuleOwner {
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#[allow(unrooted_must_root)]
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fn new_inherited(promise: Rc<Promise>, id: DynamicModuleId) -> Self {
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DynamicModuleOwner {
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reflector_: Reflector::new(),
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promise,
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id,
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}
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}
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#[allow(unrooted_must_root)]
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pub fn new(global: &GlobalScope, promise: Rc<Promise>, id: DynamicModuleId) -> DomRoot<Self> {
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reflect_dom_object(
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Box::new(DynamicModuleOwner::new_inherited(promise, id)),
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global,
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)
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}
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}
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impl DynamicModuleOwnerMethods for DynamicModuleOwner {
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// https://html.spec.whatwg.org/multipage/#integration-with-the-javascript-module-system:import()
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fn Promise(&self) -> Rc<Promise> {
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self.promise.clone()
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}
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}
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@ -295,6 +295,7 @@ pub mod domrectreadonly;
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pub mod domstringlist;
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pub mod domstringmap;
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pub mod domtokenlist;
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pub mod dynamicmoduleowner;
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pub mod element;
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pub mod errorevent;
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pub mod event;
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13
components/script/dom/webidls/DynamicModuleOwner.webidl
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13
components/script/dom/webidls/DynamicModuleOwner.webidl
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@ -0,0 +1,13 @@
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/* 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 https://mozilla.org/MPL/2.0/. */
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/**
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* This is defined for [`Dynamic Module`](https://html.spec.whatwg.org/multipage/#fetch-an-import()-module-script-graph)
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* so that we can hold a traceable owner for those dynamic modules which don't hold a owner.
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*/
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[NoInterfaceObject, Exposed=Window]
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interface DynamicModuleOwner {
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readonly attribute Promise<any> promise;
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};
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