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Auto merge of #15520 - frewsxcv:html-options-collection-selected-index, r=nox

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Implement `selectedIndex` IDL attribute on `HTMLOptionsCollection`.

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This commit is contained in:
bors-servo
2017-02-19 03:08:12 -08:00
committed by GitHub
parent 5c73b374cb d4ad51bfde
commit 5f813233c9
5 changed files with 64 additions and 24 deletions
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19
components/script/dom/htmloptionscollection.rs
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@@ -6,6 +6,7 @@ use dom::bindings::codegen::Bindings::ElementBinding::ElementMethods;
use dom::bindings::codegen::Bindings::HTMLCollectionBinding::HTMLCollectionMethods;
use dom::bindings::codegen::Bindings::HTMLOptionsCollectionBinding;
use dom::bindings::codegen::Bindings::HTMLOptionsCollectionBinding::HTMLOptionsCollectionMethods;
use dom::bindings::codegen::Bindings::HTMLSelectElementBinding::HTMLSelectElementMethods;
use dom::bindings::codegen::Bindings::NodeBinding::NodeBinding::NodeMethods;
use dom::bindings::codegen::UnionTypes::{HTMLOptionElementOrHTMLOptGroupElement, HTMLElementOrLong};
use dom::bindings::error::{Error, ErrorResult};
@@ -183,4 +184,22 @@ impl HTMLOptionsCollectionMethods for HTMLOptionsCollection {
element.Remove();
}
}
// https://html.spec.whatwg.org/multipage/#dom-htmloptionscollection-selectedindex
fn SelectedIndex(&self) -> i32 {
self.upcast()
.root_node()
.downcast::<HTMLSelectElement>()
.expect("HTMLOptionsCollection not rooted on a HTMLSelectElement")
.SelectedIndex()
}
// https://html.spec.whatwg.org/multipage/#dom-htmloptionscollection-selectedindex
fn SetSelectedIndex(&self, index: i32) {
self.upcast()
.root_node()
.downcast::<HTMLSelectElement>()
.expect("HTMLOptionsCollection not rooted on a HTMLSelectElement")
.SetSelectedIndex(index)
}
}