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Introduce GlobalScope::get_next_worker_id

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This commit is contained in:
Anthony Ramine 2016-09-27 14:07:45 +02:00
parent 38273fe7a8
commit 3e5c0c386c
6 changed files with 17 additions and 32 deletions
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12
components/script/dom/globalscope.rs
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@ -2,16 +2,19 @@
* 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/. */
use devtools_traits::WorkerId;
use dom::bindings::js::{JS, MutNullableHeap, Root};
use dom::bindings::reflector::Reflectable;
use dom::crypto::Crypto;
use dom::eventtarget::EventTarget;
use js::jsapi::{JS_GetContext, JS_GetObjectRuntime, JSContext};
use std::cell::Cell;
#[dom_struct]
pub struct GlobalScope {
eventtarget: EventTarget,
crypto: MutNullableHeap<JS<Crypto>>,
next_worker_id: Cell<WorkerId>,
}
impl GlobalScope {
@ -19,6 +22,7 @@ impl GlobalScope {
GlobalScope {
eventtarget: EventTarget::new_inherited(),
crypto: Default::default(),
next_worker_id: Cell::new(WorkerId(0)),
}
}
@ -37,4 +41,12 @@ impl GlobalScope {
pub fn crypto(&self) -> Root<Crypto> {
self.crypto.or_init(|| Crypto::new(self))
}
/// Get next worker id.
pub fn get_next_worker_id(&self) -> WorkerId {
let worker_id = self.next_worker_id.get();
let WorkerId(id_num) = worker_id;
self.next_worker_id.set(WorkerId(id_num + 1));
worker_id
}
}