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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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@ -10,8 +10,7 @@ use dom::bindings::codegen::Bindings::HTMLAnchorElementBinding;
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use dom::bindings::codegen::Bindings::HTMLAnchorElementBinding::HTMLAnchorElementMethods;
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use dom::bindings::codegen::Bindings::MouseEventBinding::MouseEventMethods;
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use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
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use dom::bindings::codegen::InheritTypes::{ElementCast, HTMLElementCast};
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use dom::bindings::codegen::InheritTypes::{HTMLImageElementDerived, MouseEventCast, NodeCast};
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use dom::bindings::conversions::Castable;
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use dom::bindings::js::{JS, MutNullableHeap, Root};
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use dom::document::Document;
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use dom::domtokenlist::DOMTokenList;
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@ -19,6 +18,8 @@ use dom::element::Element;
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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::htmlimageelement::HTMLImageElement;
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use dom::mouseevent::MouseEvent;
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use dom::node::{Node, document_from_node, window_from_node};
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use dom::virtualmethods::VirtualMethods;
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use num::ToPrimitive;
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@ -55,7 +56,7 @@ impl HTMLAnchorElement {
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impl VirtualMethods for HTMLAnchorElement {
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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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@ -70,20 +71,20 @@ impl VirtualMethods for HTMLAnchorElement {
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impl HTMLAnchorElementMethods for HTMLAnchorElement {
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// https://html.spec.whatwg.org/multipage/#dom-a-text
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fn Text(&self) -> DOMString {
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let node = NodeCast::from_ref(self);
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let node = self.upcast::<Node>();
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node.GetTextContent().unwrap()
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}
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// https://html.spec.whatwg.org/multipage/#dom-a-text
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fn SetText(&self, value: DOMString) {
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let node = NodeCast::from_ref(self);
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let node = self.upcast::<Node>();
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node.SetTextContent(Some(value))
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}
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// https://html.spec.whatwg.org/multipage/#dom-a-rellist
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fn RelList(&self) -> Root<DOMTokenList> {
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self.rel_list.or_init(|| {
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DOMTokenList::new(ElementCast::from_ref(self), &atom!("rel"))
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DOMTokenList::new(self.upcast::<Element>(), &atom!("rel"))
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})
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}
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@ -114,7 +115,7 @@ impl HTMLAnchorElementMethods for HTMLAnchorElement {
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impl Activatable for HTMLAnchorElement {
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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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@ -123,7 +124,7 @@ impl Activatable for HTMLAnchorElement {
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// hyperlink"
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// https://html.spec.whatwg.org/multipage/#the-a-element
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// "The activation behaviour of a elements *that create hyperlinks*"
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ElementCast::from_ref(self).has_attribute(&atom!("href"))
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self.upcast::<Element>().has_attribute(&atom!("href"))
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}
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@ -145,13 +146,13 @@ impl Activatable for HTMLAnchorElement {
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}
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//TODO: Step 2. Check if browsing context is specified and act accordingly.
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//Step 3. Handle <img ismap/>.
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let element = ElementCast::from_ref(self);
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let mouse_event = MouseEventCast::to_ref(event).unwrap();
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let element = self.upcast::<Element>();
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let mouse_event = event.downcast::<MouseEvent>().unwrap();
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let mut ismap_suffix = None;
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if let Some(element) = ElementCast::to_ref(target) {
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if target.is_htmlimageelement() && element.has_attribute(&atom!("ismap")) {
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if let Some(element) = target.downcast::<Element>() {
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if target.is::<HTMLImageElement>() && element.has_attribute(&atom!("ismap")) {
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let target_node = NodeCast::from_ref(element);
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let target_node = element.upcast::<Node>();
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let rect = window_from_node(target_node).r().content_box_query(
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target_node.to_trusted_node_address());
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ismap_suffix = Some(
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