Add trait DomObjectWrap to provide WRAP function

This commit is contained in:
YUAN LYU 2020-03-20 22:14:18 -04:00
parent ca29399bab
commit 3ea6d87bcc
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GPG key ID: 63A93E6A451DD166
353 changed files with 327 additions and 1236 deletions

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@ -9,8 +9,10 @@
use crate::dom::bindings::codegen::Bindings::IterableIteratorBinding::IterableKeyAndValueResult;
use crate::dom::bindings::codegen::Bindings::IterableIteratorBinding::IterableKeyOrValueResult;
use crate::dom::bindings::error::Fallible;
use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
use crate::dom::bindings::root::{Dom, DomRoot};
use crate::dom::bindings::reflector::{
reflect_dom_object, DomObjectIteratorWrap, DomObjectWrap, Reflector,
};
use crate::dom::bindings::root::{Dom, DomRoot, Root};
use crate::dom::bindings::trace::{JSTraceable, RootedTraceableBox};
use crate::dom::globalscope::GlobalScope;
use crate::script_runtime::JSContext;
@ -51,27 +53,23 @@ pub trait Iterable {
/// An iterator over the iterable entries of a given DOM interface.
//FIXME: #12811 prevents dom_struct with type parameters
#[dom_struct]
pub struct IterableIterator<T: DomObject + JSTraceable + Iterable> {
pub struct IterableIterator<T: DomObjectIteratorWrap + JSTraceable + Iterable> {
reflector: Reflector,
iterable: Dom<T>,
type_: IteratorType,
index: Cell<u32>,
}
impl<T: DomObject + JSTraceable + Iterable> IterableIterator<T> {
impl<T: DomObjectIteratorWrap + JSTraceable + Iterable> IterableIterator<T> {
/// Create a new iterator instance for the provided iterable DOM interface.
pub fn new(
iterable: &T,
type_: IteratorType,
wrap: unsafe fn(JSContext, &GlobalScope, Box<IterableIterator<T>>) -> DomRoot<Self>,
) -> DomRoot<Self> {
pub fn new(iterable: &T, type_: IteratorType) -> DomRoot<Self> {
let iterator = Box::new(IterableIterator {
reflector: Reflector::new(),
type_: type_,
iterable: Dom::from_ref(iterable),
index: Cell::new(0),
});
reflect_dom_object(iterator, &*iterable.global(), wrap)
reflect_dom_object(iterator, &*iterable.global())
}
/// Return the next value from the iterable object.
@ -119,6 +117,10 @@ impl<T: DomObject + JSTraceable + Iterable> IterableIterator<T> {
}
}
impl<T: DomObjectIteratorWrap + JSTraceable + Iterable> DomObjectWrap for IterableIterator<T> {
const WRAP: unsafe fn(JSContext, &GlobalScope, Box<Self>) -> Root<Dom<Self>> = T::ITER_WRAP;
}
fn dict_return(
cx: JSContext,
mut result: MutableHandleObject,