mirror of
https://github.com/servo/servo.git
synced 2025-10-11 05:50:19 +01:00
87 lines
3.1 KiB
Rust
87 lines
3.1 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use dom::bindings::codegen::Bindings::EventHandlerBinding::EventHandlerNonNull;
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use dom::bindings::codegen::Bindings::HTMLElementBinding;
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use dom::bindings::codegen::InheritTypes::{ElementCast, HTMLFrameSetElementDerived};
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use dom::bindings::codegen::InheritTypes::EventTargetCast;
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use dom::bindings::codegen::InheritTypes::{HTMLElementDerived, HTMLBodyElementDerived};
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use dom::bindings::js::{JSRef, Temporary};
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use dom::document::Document;
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use dom::element::{Element, ElementTypeId, HTMLElementTypeId};
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use dom::eventtarget::{EventTarget, NodeTargetTypeId};
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use dom::node::{Node, ElementNodeTypeId, window_from_node};
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use dom::virtualmethods::VirtualMethods;
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use dom::window::WindowMethods;
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use servo_util::namespace;
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use servo_util::str::DOMString;
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#[deriving(Encodable)]
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pub struct HTMLElement {
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pub element: Element
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}
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impl HTMLElementDerived for EventTarget {
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fn is_htmlelement(&self) -> bool {
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match self.type_id {
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NodeTargetTypeId(ElementNodeTypeId(ElementTypeId)) => false,
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NodeTargetTypeId(ElementNodeTypeId(_)) => true,
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_ => false
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}
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}
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}
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impl HTMLElement {
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pub fn new_inherited(type_id: ElementTypeId, tag_name: DOMString, document: &JSRef<Document>) -> HTMLElement {
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HTMLElement {
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element: Element::new_inherited(type_id, tag_name, namespace::HTML, None, document)
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}
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}
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pub fn new(localName: DOMString, document: &JSRef<Document>) -> Temporary<HTMLElement> {
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let element = HTMLElement::new_inherited(HTMLElementTypeId, localName, document);
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Node::reflect_node(box element, document, HTMLElementBinding::Wrap)
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}
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}
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trait PrivateHTMLElementHelpers {
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fn is_body_or_frameset(&self) -> bool;
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}
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impl<'a> PrivateHTMLElementHelpers for JSRef<'a, HTMLElement> {
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fn is_body_or_frameset(&self) -> bool {
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let eventtarget: &JSRef<EventTarget> = EventTargetCast::from_ref(self);
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eventtarget.is_htmlbodyelement() || eventtarget.is_htmlframesetelement()
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}
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}
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pub trait HTMLElementMethods {
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fn GetOnload(&self) -> Option<EventHandlerNonNull>;
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fn SetOnload(&mut self, listener: Option<EventHandlerNonNull>);
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}
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impl<'a> HTMLElementMethods for JSRef<'a, HTMLElement> {
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fn GetOnload(&self) -> Option<EventHandlerNonNull> {
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if self.is_body_or_frameset() {
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let win = window_from_node(self).root();
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win.deref().GetOnload()
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} else {
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None
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}
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}
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fn SetOnload(&mut self, listener: Option<EventHandlerNonNull>) {
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if self.is_body_or_frameset() {
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let mut win = window_from_node(self).root();
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win.SetOnload(listener)
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}
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}
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}
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impl<'a> VirtualMethods for JSRef<'a, HTMLElement> {
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fn super_type<'a>(&'a mut self) -> Option<&'a mut VirtualMethods:> {
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let element: &mut JSRef<Element> = ElementCast::from_mut_ref(self);
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Some(element as &mut VirtualMethods:)
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}
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}
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