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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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@ -6,14 +6,14 @@ use dom::activation::Activatable;
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use dom::attr::Attr;
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use dom::bindings::codegen::Bindings::HTMLButtonElementBinding;
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use dom::bindings::codegen::Bindings::HTMLButtonElementBinding::HTMLButtonElementMethods;
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use dom::bindings::codegen::InheritTypes::{ElementCast, HTMLButtonElementCast, HTMLElementCast};
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use dom::bindings::codegen::InheritTypes::{HTMLFieldSetElementDerived, NodeCast};
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use dom::bindings::conversions::Castable;
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use dom::bindings::js::Root;
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use dom::document::Document;
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use dom::element::{AttributeMutation, Element, IN_ENABLED_STATE};
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use dom::event::Event;
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use dom::eventtarget::EventTarget;
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use dom::htmlelement::HTMLElement;
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use dom::htmlfieldsetelement::HTMLFieldSetElement;
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use dom::htmlformelement::{FormControl, FormSubmitter};
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use dom::htmlformelement::{SubmittedFrom, HTMLFormElement};
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use dom::node::{Node, document_from_node, window_from_node};
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@ -82,7 +82,7 @@ impl HTMLButtonElementMethods for HTMLButtonElement {
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// https://html.spec.whatwg.org/multipage/#dom-button-type
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fn Type(&self) -> DOMString {
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let elem = ElementCast::from_ref(self);
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let elem = self.upcast::<Element>();
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let mut ty = elem.get_string_attribute(&atom!("type"));
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ty.make_ascii_lowercase();
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// https://html.spec.whatwg.org/multipage/#attr-button-type
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@ -135,7 +135,7 @@ impl HTMLButtonElementMethods for HTMLButtonElement {
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impl VirtualMethods for HTMLButtonElement {
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fn super_type(&self) -> Option<&VirtualMethods> {
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let htmlelement: &HTMLElement = HTMLElementCast::from_ref(self);
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let htmlelement: &HTMLElement = self.upcast::<HTMLElement>();
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Some(htmlelement as &VirtualMethods)
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}
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@ -143,7 +143,7 @@ impl VirtualMethods for HTMLButtonElement {
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self.super_type().unwrap().attribute_mutated(attr, mutation);
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match attr.local_name() {
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&atom!(disabled) => {
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let el = ElementCast::from_ref(self);
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let el = self.upcast::<Element>();
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match mutation {
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AttributeMutation::Set(Some(_)) => {}
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AttributeMutation::Set(None) => {
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@ -166,7 +166,7 @@ impl VirtualMethods for HTMLButtonElement {
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s.bind_to_tree(tree_in_doc);
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}
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let el = ElementCast::from_ref(self);
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let el = self.upcast::<Element>();
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el.check_ancestors_disabled_state_for_form_control();
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}
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@ -175,9 +175,9 @@ impl VirtualMethods for HTMLButtonElement {
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s.unbind_from_tree(tree_in_doc);
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}
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let node = NodeCast::from_ref(self);
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let el = ElementCast::from_ref(self);
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if node.ancestors().any(|ancestor| ancestor.r().is_htmlfieldsetelement()) {
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let node = self.upcast::<Node>();
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let el = self.upcast::<Element>();
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if node.ancestors().any(|ancestor| ancestor.r().is::<HTMLFieldSetElement>()) {
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el.check_ancestors_disabled_state_for_form_control();
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} else {
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el.check_disabled_attribute();
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@ -189,12 +189,12 @@ impl FormControl for HTMLButtonElement {}
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impl<'a> Activatable for &'a HTMLButtonElement {
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fn as_element(&self) -> &Element {
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ElementCast::from_ref(*self)
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self.upcast::<Element>()
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}
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fn is_instance_activatable(&self) -> bool {
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//https://html.spec.whatwg.org/multipage/#the-button-element
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let el = ElementCast::from_ref(*self);
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let el = self.upcast::<Element>();
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!(el.get_disabled_state())
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}
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@ -226,14 +226,14 @@ impl<'a> Activatable for &'a HTMLButtonElement {
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#[allow(unsafe_code)]
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fn implicit_submission(&self, ctrlKey: bool, shiftKey: bool, altKey: bool, metaKey: bool) {
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let doc = document_from_node(*self);
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let node = NodeCast::from_ref(doc.r());
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let node = doc.upcast::<Node>();
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let owner = self.form_owner();
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let elem = ElementCast::from_ref(*self);
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let elem = self.upcast::<Element>();
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if owner.is_none() || elem.click_in_progress() {
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return;
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}
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node.query_selector_iter("button[type=submit]".to_owned()).unwrap()
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.filter_map(HTMLButtonElementCast::to_root)
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.filter_map(Root::downcast::<HTMLButtonElement>)
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.find(|r| r.r().form_owner() == owner)
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.map(|s| s.r().synthetic_click_activation(ctrlKey, shiftKey, altKey, metaKey));
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}
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