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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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@ -8,15 +8,15 @@ use dom::bindings::cell::DOMRefCell;
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use dom::bindings::codegen::Bindings::HTMLImageElementBinding;
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use dom::bindings::codegen::Bindings::HTMLImageElementBinding::HTMLImageElementMethods;
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use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
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use dom::bindings::codegen::InheritTypes::{ElementCast, EventTargetCast};
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use dom::bindings::codegen::InheritTypes::{HTMLElementCast, NodeCast};
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use dom::bindings::conversions::Castable;
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use dom::bindings::error::Fallible;
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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;
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use dom::element::{AttributeMutation, 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::node::{Node, NodeDamage, document_from_node, window_from_node};
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use dom::virtualmethods::VirtualMethods;
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@ -74,7 +74,7 @@ impl Runnable for ImageResponseHandlerRunnable {
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};
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// Mark the node dirty
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let node = NodeCast::from_ref(element.r());
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let node = element.upcast::<Node>();
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let document = document_from_node(node);
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document.r().content_changed(node, NodeDamage::OtherNodeDamage);
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@ -85,7 +85,7 @@ impl Runnable for ImageResponseHandlerRunnable {
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EventBubbles::DoesNotBubble,
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EventCancelable::NotCancelable);
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let event = event.r();
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let target = EventTargetCast::from_ref(node);
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let target = node.upcast::<EventTarget>();
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event.fire(target);
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// Trigger reflow
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@ -97,7 +97,7 @@ impl HTMLImageElement {
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/// Makes the local `image` member match the status of the `src` attribute and starts
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/// prefetching the image. This method must be called after `src` is changed.
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fn update_image(&self, value: Option<(DOMString, Url)>) {
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let node = NodeCast::from_ref(self);
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let node = self.upcast::<Node>();
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let document = node.owner_doc();
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let window = document.r().window();
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let image_cache = window.image_cache_task();
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@ -204,33 +204,33 @@ impl HTMLImageElementMethods for HTMLImageElement {
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// https://html.spec.whatwg.org/multipage/#dom-img-ismap
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fn SetIsMap(&self, is_map: bool) {
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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_string_attribute(&atom!("ismap"), is_map.to_string())
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}
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// https://html.spec.whatwg.org/multipage/#dom-img-width
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fn Width(&self) -> u32 {
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let node = NodeCast::from_ref(self);
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let node = self.upcast::<Node>();
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let rect = node.get_bounding_content_box();
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rect.size.width.to_px() as u32
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}
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// https://html.spec.whatwg.org/multipage/#dom-img-width
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fn SetWidth(&self, width: u32) {
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let elem = ElementCast::from_ref(self);
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let elem = self.upcast::<Element>();
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elem.set_uint_attribute(&atom!("width"), width)
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}
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// https://html.spec.whatwg.org/multipage/#dom-img-height
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fn Height(&self) -> u32 {
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let node = NodeCast::from_ref(self);
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let node = self.upcast::<Node>();
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let rect = node.get_bounding_content_box();
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rect.size.height.to_px() as u32
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}
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// https://html.spec.whatwg.org/multipage/#dom-img-height
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fn SetHeight(&self, height: u32) {
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let elem = ElementCast::from_ref(self);
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let elem = self.upcast::<Element>();
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elem.set_uint_attribute(&atom!("height"), height)
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}
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@ -299,7 +299,7 @@ impl HTMLImageElementMethods for HTMLImageElement {
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impl VirtualMethods for HTMLImageElement {
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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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