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Introduce trait Castable
This trait is used to hold onto the downcast and upcast functions of all castable IDL interfaces. A castable IDL interface is one which either derives from or is derived by other interfaces. The deriving relation is represented by implementations of marker trait DerivedFrom<T: Castable> generated in InheritTypes. /^[ ]*use dom::bindings::codegen::InheritTypes::.*(Base|Cast|Derived)/ { /::[a-zA-Z]+(Base|Cast|Derived);/d s/([{ ])[a-zA-Z]+(Base|Cast|Derived), /\1/g s/([{ ])[a-zA-Z]+(Base|Cast|Derived), /\1/g s/, [a-zA-Z]+(Base|Cast|Derived)([},])/\2/g s/, [a-zA-Z]+(Base|Cast|Derived)([},])/\2/g /\{([a-zA-Z]+(Base|Cast|Derived))?\};$/d s/\{([a-zA-Z_]+)\};$/\1;/ } s/([a-zA-Z]+)Cast::from_ref\(\&?\**([a-zA-Z_]+)(\.r\(\))?\)/\2.upcast::<\1>()/g s/([a-zA-Z]+)Cast::from_ref\(\&?\**([a-zA-Z_]+)(\.[a-zA-Z_]+\(\))?\)/\2\3.upcast::<\1>()/g s/\(([a-zA-Z]+)Cast::from_ref\)/\(Castable::upcast::<\1>\)/g s/([a-zA-Z]+)Cast::from_root/Root::upcast::<\1>/g s/([a-zA-Z]+)Cast::from_layout_js\(\&([a-zA-Z_.]+)\)/\2.upcast::<\1>()/g s/([a-zA-Z]+)Cast::to_ref\(\&?\**([a-zA-Z_]+)(\.r\(\))?\)/\2.downcast::<\1>()/g s/([a-zA-Z]+)Cast::to_ref\(\&?\**([a-zA-Z_]+)(\.[a-zA-Z_]+\(\))?\)/\2\3.downcast::<\1>()/g s/\(([a-zA-Z]+)Cast::to_ref\)/\(Castable::downcast::<\1>\)/g s/([a-zA-Z]+)Cast::to_root/Root::downcast::<\1>/g s/([a-zA-Z]+)Cast::to_layout_js\(&?([a-zA-Z_.]+(\(\))?)\)/\2.downcast::<\1>()/g s/\.is_document\(\)/.is::<Document>()/g s/\.is_htmlanchorelement\(\)/.is::<HTMLAnchorElement>()/g s/\.is_htmlappletelement\(\)/.is::<HTMLAppletElement>()/g s/\.is_htmlareaelement\(\)/.is::<HTMLAreaElement>()/g s/\.is_htmlbodyelement\(\)/.is::<HTMLBodyElement>()/g s/\.is_htmlembedelement\(\)/.is::<HTMLEmbedElement>()/g s/\.is_htmlfieldsetelement\(\)/.is::<HTMLFieldSetElement>()/g s/\.is_htmlformelement\(\)/.is::<HTMLFormElement>()/g s/\.is_htmlframesetelement\(\)/.is::<HTMLFrameSetElement>()/g s/\.is_htmlhtmlelement\(\)/.is::<HTMLHtmlElement>()/g s/\.is_htmlimageelement\(\)/.is::<HTMLImageElement>()/g s/\.is_htmllegendelement\(\)/.is::<HTMLLegendElement>()/g s/\.is_htmloptgroupelement\(\)/.is::<HTMLOptGroupElement>()/g s/\.is_htmloptionelement\(\)/.is::<HTMLOptionElement>()/g s/\.is_htmlscriptelement\(\)/.is::<HTMLScriptElement>()/g s/\.is_htmltabledatacellelement\(\)/.is::<HTMLTableDataCellElement>()/g s/\.is_htmltableheadercellelement\(\)/.is::<HTMLTableHeaderCellElement>()/g s/\.is_htmltablerowelement\(\)/.is::<HTMLTableRowElement>()/g s/\.is_htmltablesectionelement\(\)/.is::<HTMLTableSectionElement>()/g s/\.is_htmltitleelement\(\)/.is::<HTMLTitleElement>()/g
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82 changed files with 1124 additions and 1148 deletions
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@ -9,11 +9,8 @@ use dom::bindings::codegen::Bindings::HTMLElementBinding;
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use dom::bindings::codegen::Bindings::HTMLElementBinding::HTMLElementMethods;
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use dom::bindings::codegen::Bindings::HTMLInputElementBinding::HTMLInputElementMethods;
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use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
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use dom::bindings::codegen::InheritTypes::{ElementCast, ElementTypeId};
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use dom::bindings::codegen::InheritTypes::{EventTargetCast, HTMLBodyElementDerived};
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use dom::bindings::codegen::InheritTypes::{HTMLElementTypeId, HTMLFrameSetElementDerived};
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use dom::bindings::codegen::InheritTypes::{HTMLHtmlElementDerived, HTMLInputElementCast};
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use dom::bindings::codegen::InheritTypes::{NodeCast, NodeTypeId};
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use dom::bindings::codegen::InheritTypes::{ElementTypeId, HTMLElementTypeId, NodeTypeId};
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use dom::bindings::conversions::Castable;
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use dom::bindings::error::{Error, ErrorResult};
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use dom::bindings::js::{JS, MutNullableHeap, Root};
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use dom::bindings::utils::Reflectable;
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@ -21,6 +18,10 @@ use dom::cssstyledeclaration::{CSSModificationAccess, CSSStyleDeclaration};
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use dom::document::Document;
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use dom::domstringmap::DOMStringMap;
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use dom::element::{AttributeMutation, Element, EventState};
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use dom::eventtarget::EventTarget;
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use dom::htmlbodyelement::HTMLBodyElement;
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use dom::htmlframesetelement::HTMLFrameSetElement;
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use dom::htmlhtmlelement::HTMLHtmlElement;
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use dom::htmlinputelement::HTMLInputElement;
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use dom::node::{Node, SEQUENTIALLY_FOCUSABLE};
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use dom::node::{document_from_node, window_from_node};
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@ -70,13 +71,13 @@ impl HTMLElement {
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}
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fn is_body_or_frameset(&self) -> bool {
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let eventtarget = EventTargetCast::from_ref(self);
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eventtarget.is_htmlbodyelement() || eventtarget.is_htmlframesetelement()
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let eventtarget = self.upcast::<EventTarget>();
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eventtarget.is::<HTMLBodyElement>() || eventtarget.is::<HTMLFrameSetElement>()
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}
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fn update_sequentially_focusable_status(&self) {
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let element = ElementCast::from_ref(self);
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let node = NodeCast::from_ref(self);
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let element = self.upcast::<Element>();
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let node = self.upcast::<Node>();
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if element.has_attribute(&atom!("tabindex")) {
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node.set_flag(SEQUENTIALLY_FOCUSABLE, true);
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} else {
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@ -117,7 +118,7 @@ impl HTMLElementMethods for HTMLElement {
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fn Style(&self) -> Root<CSSStyleDeclaration> {
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self.style_decl.or_init(|| {
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let global = window_from_node(self);
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CSSStyleDeclaration::new(global.r(), ElementCast::from_ref(self), None, CSSModificationAccess::ReadWrite)
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CSSStyleDeclaration::new(global.r(), self.upcast::<Element>(), None, CSSModificationAccess::ReadWrite)
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})
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}
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@ -150,7 +151,7 @@ impl HTMLElementMethods for HTMLElement {
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let win = window_from_node(self);
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win.r().GetOnload()
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} else {
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let target = EventTargetCast::from_ref(self);
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let target = self.upcast::<EventTarget>();
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target.get_event_handler_common("load")
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}
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}
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@ -161,20 +162,20 @@ impl HTMLElementMethods for HTMLElement {
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let win = window_from_node(self);
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win.r().SetOnload(listener)
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} else {
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let target = EventTargetCast::from_ref(self);
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let target = self.upcast::<EventTarget>();
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target.set_event_handler_common("load", listener)
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}
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}
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// https://html.spec.whatwg.org/multipage/#dom-click
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fn Click(&self) {
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let maybe_input: Option<&HTMLInputElement> = HTMLInputElementCast::to_ref(self);
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let maybe_input: Option<&HTMLInputElement> = self.downcast::<HTMLInputElement>();
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if let Some(i) = maybe_input {
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if i.Disabled() {
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return;
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}
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}
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let element = ElementCast::from_ref(self);
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let element = self.upcast::<Element>();
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// https://www.w3.org/Bugs/Public/show_bug.cgi?id=27430 ?
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element.as_maybe_activatable().map(|a| a.synthetic_click_activation(false, false, false, false));
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}
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@ -183,7 +184,7 @@ impl HTMLElementMethods for HTMLElement {
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fn Focus(&self) {
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// TODO: Mark the element as locked for focus and run the focusing steps.
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// https://html.spec.whatwg.org/multipage/#focusing-steps
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let element = ElementCast::from_ref(self);
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let element = self.upcast::<Element>();
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let document = document_from_node(self);
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let document = document.r();
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document.begin_focus_transaction();
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@ -194,7 +195,7 @@ impl HTMLElementMethods for HTMLElement {
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// https://html.spec.whatwg.org/multipage/#dom-blur
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fn Blur(&self) {
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// TODO: Run the unfocusing steps.
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let el = ElementCast::from_ref(self);
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let el = self.upcast::<Element>();
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if !el.get_focus_state() {
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return;
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}
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@ -207,11 +208,11 @@ impl HTMLElementMethods for HTMLElement {
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// https://drafts.csswg.org/cssom-view/#extensions-to-the-htmlelement-interface
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fn GetOffsetParent(&self) -> Option<Root<Element>> {
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if self.is_htmlbodyelement() || self.is_htmlhtmlelement() {
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if self.is::<HTMLBodyElement>() || self.is::<HTMLHtmlElement>() {
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return None;
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}
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let node = NodeCast::from_ref(self);
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let node = self.upcast::<Node>();
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let window = window_from_node(self);
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let (element, _) = window.offset_parent_query(node.to_trusted_node_address());
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@ -220,11 +221,11 @@ impl HTMLElementMethods for HTMLElement {
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// https://drafts.csswg.org/cssom-view/#extensions-to-the-htmlelement-interface
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fn OffsetTop(&self) -> i32 {
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if self.is_htmlbodyelement() {
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if self.is::<HTMLBodyElement>() {
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return 0;
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}
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let node = NodeCast::from_ref(self);
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let node = self.upcast::<Node>();
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let window = window_from_node(self);
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let (_, rect) = window.offset_parent_query(node.to_trusted_node_address());
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@ -233,11 +234,11 @@ impl HTMLElementMethods for HTMLElement {
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// https://drafts.csswg.org/cssom-view/#extensions-to-the-htmlelement-interface
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fn OffsetLeft(&self) -> i32 {
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if self.is_htmlbodyelement() {
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if self.is::<HTMLBodyElement>() {
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return 0;
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}
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let node = NodeCast::from_ref(self);
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let node = self.upcast::<Node>();
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let window = window_from_node(self);
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let (_, rect) = window.offset_parent_query(node.to_trusted_node_address());
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@ -246,7 +247,7 @@ impl HTMLElementMethods for HTMLElement {
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// https://drafts.csswg.org/cssom-view/#extensions-to-the-htmlelement-interface
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fn OffsetWidth(&self) -> i32 {
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let node = NodeCast::from_ref(self);
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let node = self.upcast::<Node>();
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let window = window_from_node(self);
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let (_, rect) = window.offset_parent_query(node.to_trusted_node_address());
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@ -255,7 +256,7 @@ impl HTMLElementMethods for HTMLElement {
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// https://drafts.csswg.org/cssom-view/#extensions-to-the-htmlelement-interface
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fn OffsetHeight(&self) -> i32 {
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let node = NodeCast::from_ref(self);
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let node = self.upcast::<Node>();
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let window = window_from_node(self);
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let (_, rect) = window.offset_parent_query(node.to_trusted_node_address());
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@ -285,12 +286,12 @@ impl HTMLElement {
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.nth(1).map_or(false, |ch| ch >= 'a' && ch <= 'z') {
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return Err(Error::Syntax);
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}
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let element = ElementCast::from_ref(self);
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let element = self.upcast::<Element>();
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element.set_custom_attribute(to_snake_case(name), value)
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}
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pub fn get_custom_attr(&self, local_name: DOMString) -> Option<DOMString> {
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let element = ElementCast::from_ref(self);
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let element = self.upcast::<Element>();
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let local_name = Atom::from_slice(&to_snake_case(local_name));
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element.get_attribute(&ns!(""), &local_name).map(|attr| {
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(**attr.r().value()).to_owned()
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@ -298,7 +299,7 @@ impl HTMLElement {
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}
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pub fn delete_custom_attr(&self, local_name: DOMString) {
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let element = ElementCast::from_ref(self);
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let element = self.upcast::<Element>();
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let local_name = Atom::from_slice(&to_snake_case(local_name));
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element.remove_attribute(&ns!(""), &local_name);
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}
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@ -306,7 +307,7 @@ impl HTMLElement {
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impl VirtualMethods for HTMLElement {
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fn super_type(&self) -> Option<&VirtualMethods> {
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let element: &Element = ElementCast::from_ref(self);
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let element: &Element = self.upcast::<Element>();
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Some(element as &VirtualMethods)
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}
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@ -318,7 +319,7 @@ impl VirtualMethods for HTMLElement {
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let (cx, url, reflector) = (window.r().get_cx(),
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window.r().get_url(),
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window.r().reflector().get_jsobject());
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let evtarget = EventTargetCast::from_ref(self);
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let evtarget = self.upcast::<EventTarget>();
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evtarget.set_event_handler_uncompiled(cx, url, reflector,
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&name[2..],
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(**attr.value()).to_owned());
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