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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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@ -8,16 +8,16 @@ use dom::bindings::codegen::Bindings::EventBinding::EventMethods;
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use dom::bindings::codegen::Bindings::HTMLTextAreaElementBinding;
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use dom::bindings::codegen::Bindings::HTMLTextAreaElementBinding::HTMLTextAreaElementMethods;
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use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
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use dom::bindings::codegen::InheritTypes::{ElementCast, EventTargetCast};
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use dom::bindings::codegen::InheritTypes::{HTMLElementCast, HTMLFieldSetElementDerived};
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use dom::bindings::codegen::InheritTypes::{KeyboardEventCast, NodeCast};
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use dom::bindings::conversions::Castable;
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use dom::bindings::global::GlobalRef;
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use dom::bindings::js::{LayoutJS, Root};
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use dom::bindings::refcounted::Trusted;
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use dom::document::Document;
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use dom::element::{AttributeMutation, IN_ENABLED_STATE};
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use dom::element::{AttributeMutation, IN_ENABLED_STATE, Element};
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use dom::event::{Event, EventBubbles, EventCancelable};
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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, HTMLFormElement};
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use dom::keyboardevent::KeyboardEvent;
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use dom::node::{ChildrenMutation, Node, NodeDamage};
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@ -169,13 +169,13 @@ impl HTMLTextAreaElementMethods for HTMLTextAreaElement {
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// https://html.spec.whatwg.org/multipage/#dom-textarea-defaultvalue
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fn DefaultValue(&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-textarea-defaultvalue
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fn SetDefaultValue(&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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// if the element's dirty value flag is false, then the element's
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@ -218,7 +218,7 @@ impl HTMLTextAreaElement {
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impl HTMLTextAreaElement {
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fn force_relayout(&self) {
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let doc = document_from_node(self);
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let node = NodeCast::from_ref(self);
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let node = self.upcast::<Node>();
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doc.r().content_changed(node, NodeDamage::OtherNodeDamage)
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}
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@ -230,14 +230,14 @@ impl HTMLTextAreaElement {
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EventBubbles::DoesNotBubble,
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EventCancelable::NotCancelable);
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let target = EventTargetCast::from_ref(self);
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let target = self.upcast::<EventTarget>();
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target.dispatch_event(event.r());
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}
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}
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impl VirtualMethods for HTMLTextAreaElement {
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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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@ -245,7 +245,7 @@ impl VirtualMethods for HTMLTextAreaElement {
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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(_) => {
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el.set_disabled_state(true);
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@ -279,7 +279,7 @@ impl VirtualMethods for HTMLTextAreaElement {
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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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@ -296,9 +296,9 @@ impl VirtualMethods for HTMLTextAreaElement {
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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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@ -324,9 +324,9 @@ impl VirtualMethods for HTMLTextAreaElement {
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//TODO: set the editing position for text inputs
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let doc = document_from_node(self);
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doc.r().request_focus(ElementCast::from_ref(self));
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doc.r().request_focus(self.upcast::<Element>());
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} else if &*event.Type() == "keydown" && !event.DefaultPrevented() {
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let keyevent: Option<&KeyboardEvent> = KeyboardEventCast::to_ref(event);
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let keyevent: Option<&KeyboardEvent> = event.downcast::<KeyboardEvent>();
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keyevent.map(|kevent| {
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match self.textinput.borrow_mut().handle_keydown(kevent) {
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KeyReaction::TriggerDefaultAction => (),
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