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Basic element.focus and blur methods

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Fixes #5462.
This commit is contained in:
Matt Brubeck 2015-03-30 13:32:48 -07:00
parent 8758d7d11a
commit ad6c511a5e
6 changed files with 58 additions and 27 deletions
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32
components/script/dom/htmlelement.rs
View file

@ -10,21 +10,21 @@ use dom::bindings::codegen::Bindings::HTMLElementBinding::HTMLElementMethods;
use dom::bindings::codegen::Bindings::HTMLInputElementBinding::HTMLInputElementMethods;
use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
use dom::bindings::codegen::InheritTypes::{ElementCast, HTMLFrameSetElementDerived};
use dom::bindings::codegen::InheritTypes::{EventTargetCast, HTMLInputElementCast};
use dom::bindings::codegen::InheritTypes::{EventTargetCast, HTMLInputElementCast, NodeCast};
use dom::bindings::codegen::InheritTypes::{HTMLElementDerived, HTMLBodyElementDerived};
use dom::bindings::js::{JSRef, Temporary, MutNullableJS};
use dom::bindings::error::ErrorResult;
use dom::bindings::error::Error::Syntax;
use dom::bindings::utils::Reflectable;
use dom::cssstyledeclaration::{CSSStyleDeclaration, CSSModificationAccess};
use dom::document::Document;
use dom::document::{Document, DocumentHelpers};
use dom::domstringmap::DOMStringMap;
use dom::element::{Element, ElementTypeId, ActivationElementHelpers, AttributeHandlers};
use dom::eventtarget::{EventTarget, EventTargetHelpers, EventTargetTypeId};
use dom::htmlinputelement::HTMLInputElement;
use dom::htmlmediaelement::HTMLMediaElementTypeId;
use dom::htmltablecellelement::HTMLTableCellElementTypeId;
use dom::node::{Node, NodeTypeId, window_from_node};
use dom::node::{Node, NodeHelpers, NodeTypeId, document_from_node, window_from_node};
use dom::virtualmethods::VirtualMethods;
use dom::window::WindowHelpers;
@ -135,6 +135,32 @@ impl<'a> HTMLElementMethods for JSRef<'a, HTMLElement> {
// https://www.w3.org/Bugs/Public/show_bug.cgi?id=27430 ?
element.as_maybe_activatable().map(|a| a.synthetic_click_activation(false, false, false, false));
}
// https://html.spec.whatwg.org/multipage/interaction.html#dom-focus
fn Focus(self) {
// TODO: Mark the element as locked for focus and run the focusing steps.
// https://html.spec.whatwg.org/multipage/interaction.html#focusing-steps
let element: JSRef<Element> = ElementCast::from_ref(self);
let document = document_from_node(self).root();
let document = document.r();
document.begin_focus_transaction();
document.request_focus(element);
document.commit_focus_transaction();
}
// https://html.spec.whatwg.org/multipage/interaction.html#dom-blur
fn Blur(self) {
// TODO: Run the unfocusing steps.
let node: JSRef<Node> = NodeCast::from_ref(self);
if !node.get_focus_state() {
return;
}
// https://html.spec.whatwg.org/multipage/interaction.html#unfocusing-steps
let document = document_from_node(self).root();
document.r().begin_focus_transaction();
// If `request_focus` is not called, focus will be set to None.
document.r().commit_focus_transaction();
}
}
// https://html.spec.whatwg.org/#attr-data-*

4
components/script/dom/webidls/HTMLElement.webidl
View file

@ -25,8 +25,8 @@ interface HTMLElement : Element {
attribute boolean hidden;
void click();
// attribute long tabIndex;
//void focus();
//void blur();
void focus();
void blur();
// attribute DOMString accessKey;
//readonly attribute DOMString accessKeyLabel;
// attribute boolean draggable;