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Introduce trait WeakReferenceable

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This allows to take weak references of JS-managed DOM objects.
This commit is contained in:
Anthony Ramine 2015-10-18 13:53:12 +02:00
parent 12f6ba29a7
commit 72c67efe96
10 changed files with 268 additions and 5 deletions
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10
components/script/dom/testbinding.rs
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@ -15,7 +15,9 @@ use dom::bindings::js::Root;
use dom::bindings::num::Finite;
use dom::bindings::reflector::{Reflector, reflect_dom_object};
use dom::bindings::str::{ByteString, USVString};
use dom::bindings::weakref::MutableWeakRef;
use dom::blob::Blob;
use dom::url::URL;
use js::jsapi::{HandleValue, JSContext, JSObject};
use js::jsval::{JSVal, NullValue};
use std::borrow::ToOwned;
@ -26,12 +28,14 @@ use util::str::DOMString;
#[dom_struct]
pub struct TestBinding {
reflector_: Reflector,
url: MutableWeakRef<URL>,
}
impl TestBinding {
fn new_inherited() -> TestBinding {
TestBinding {
reflector_: Reflector::new(),
url: MutableWeakRef::new(None),
}
}
@ -142,6 +146,12 @@ impl TestBindingMethods for TestBinding {
Some(Blob::new(global_root_from_reflector(self).r(), None, ""))
}
fn SetInterfaceAttributeNullable(&self, _: Option<&Blob>) {}
fn GetInterfaceAttributeWeak(&self) -> Option<Root<URL>> {
self.url.root()
}
fn SetInterfaceAttributeWeak(&self, url: Option<&URL>) {
self.url.set(url);
}
fn GetObjectAttributeNullable(&self, _: *mut JSContext) -> *mut JSObject { ptr::null_mut() }
fn SetObjectAttributeNullable(&self, _: *mut JSContext, _: *mut JSObject) {}
fn GetUnionAttributeNullable(&self) -> Option<HTMLElementOrLong> {