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Auto merge of #15904 - sendilkumarn:image-area, r=jdm

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making image element areas good at finding areas

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---
<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: -->
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix #15884

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This commit is contained in:
bors-servo 2017-04-05 08:49:22 -05:00 • committed by GitHub
commit c12b17d276
5 changed files with 74 additions and 9 deletions
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14
components/script/dom/htmlimageelement.rs
View file

@ -429,16 +429,12 @@ impl HTMLImageElement {
return None
}
let map = self.upcast::<Node>()
.following_siblings()
.filter_map(Root::downcast::<HTMLMapElement>)
.find(|n| n.upcast::<Element>().get_string_attribute(&LocalName::from("name")) == last);
let useMapElements = document_from_node(self).upcast::<Node>()
.traverse_preorder()
.filter_map(Root::downcast::<HTMLMapElement>)
.find(|n| n.upcast::<Element>().get_string_attribute(&LocalName::from("name")) == last);
let elements: Vec<Root<HTMLAreaElement>> = map.unwrap().upcast::<Node>()
.children()
.filter_map(Root::downcast::<HTMLAreaElement>)
.collect();
Some(elements)
useMapElements.map(|mapElem| mapElem.get_area_elements())
}
}

9
components/script/dom/htmlmapelement.rs
View file

@ -3,9 +3,11 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use dom::bindings::codegen::Bindings::HTMLMapElementBinding;
use dom::bindings::inheritance::Castable;
use dom::bindings::js::Root;
use dom::bindings::str::DOMString;
use dom::document::Document;
use dom::htmlareaelement::HTMLAreaElement;
use dom::htmlelement::HTMLElement;
use dom::node::Node;
use dom_struct::dom_struct;
@ -33,4 +35,11 @@ impl HTMLMapElement {
document,
HTMLMapElementBinding::Wrap)
}
pub fn get_area_elements(&self) -> Vec<Root<HTMLAreaElement>> {
self.upcast::<Node>()
.traverse_preorder()
.filter_map(Root::downcast::<HTMLAreaElement>).collect()
}
}