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Implement dirname for form submit and directionality for element

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This commit is contained in:
Dmitry Kolupaev 2020-01-28 10:34:10 +03:00
parent 6bc4a7df24
commit ef49f2e0eb
14 changed files with 178 additions and 19 deletions
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64
components/script/dom/element.rs
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@ -12,6 +12,7 @@ use crate::dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods;
use crate::dom::bindings::codegen::Bindings::ElementBinding;
use crate::dom::bindings::codegen::Bindings::ElementBinding::ElementMethods;
use crate::dom::bindings::codegen::Bindings::FunctionBinding::Function;
use crate::dom::bindings::codegen::Bindings::HTMLElementBinding::HTMLElementBinding::HTMLElementMethods;
use crate::dom::bindings::codegen::Bindings::HTMLTemplateElementBinding::HTMLTemplateElementMethods;
use crate::dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
use crate::dom::bindings::codegen::Bindings::ShadowRootBinding::ShadowRootBinding::ShadowRootMethods;
@ -540,6 +541,69 @@ impl Element {
}
true // whatwg/html#5239
}
/// https://html.spec.whatwg.org/#the-directionality
pub fn directionality(&self) -> String {
if self.is::<HTMLElement>() {
let htmlElement = self.downcast::<HTMLElement>().unwrap();
self.html_element_directionality(&htmlElement.Dir())
} else {
let node = self.upcast::<Node>();
self.parent_directionality(node)
}
}
fn html_element_directionality(&self, element_direction: &str) -> String {
if element_direction == "ltr" {
return "ltr".to_owned();
}
if element_direction == "rtl" {
return "rtl".to_owned();
}
if self.is::<HTMLInputElement>() {
let input = self.downcast::<HTMLInputElement>().unwrap();
return input.directionality(element_direction);
}
if self.is::<HTMLTextAreaElement>() {
let area = self.downcast::<HTMLTextAreaElement>().unwrap();
return area.directionality(element_direction);
}
// TODO(dmitry.klpv): Implement condition
// If the element's dir attribute is in the auto state OR
// If the element is a bdi element and the dir attribute is not in a defined state
// (i.e. it is not present or has an invalid value)
// Requires bdi element implementation (https://html.spec.whatwg.org/#the-bdi-element)
let node = self.upcast::<Node>();
self.parent_directionality(node)
}
fn parent_directionality(&self, node: &Node) -> String {
if !node.has_parent() {
return "ltr".to_owned();
}
let parent = node.GetParentNode();
match parent {
Some(parent) => {
if parent.is::<Document>() {
return "ltr".to_owned();
}
return if parent.is::<Element>() {
let parentHtml = parent.downcast::<Element>().unwrap();
parentHtml.directionality()
} else {
self.parent_directionality(&*parent)
};
},
None => "ltr".to_owned(),
}
}
}
#[allow(unsafe_code)]