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Introduce trait Castable

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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
This commit is contained in:
Anthony Ramine 2015-10-06 17:21:44 +02:00
parent bd363b009d
commit 13ea3ac413
82 changed files with 1124 additions and 1148 deletions
Download patch file Download diff file Expand all files Collapse all files

18
components/script/dom/htmllinkelement.rs
View file

@ -8,8 +8,7 @@ use dom::attr::{Attr, AttrValue};
use dom::bindings::codegen::Bindings::HTMLLinkElementBinding;
use dom::bindings::codegen::Bindings::HTMLLinkElementBinding::HTMLLinkElementMethods;
use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
use dom::bindings::codegen::InheritTypes::{ElementCast, EventTargetCast};
use dom::bindings::codegen::InheritTypes::{HTMLElementCast, NodeCast};
use dom::bindings::conversions::Castable;
use dom::bindings::global::GlobalRef;
use dom::bindings::js::{JS, MutNullableHeap, Root};
use dom::bindings::js::{RootedReference};
@ -18,6 +17,7 @@ use dom::document::Document;
use dom::domtokenlist::DOMTokenList;
use dom::element::{AttributeMutation, Element};
use dom::event::{Event, EventBubbles, EventCancelable};
use dom::eventtarget::EventTarget;
use dom::htmlelement::HTMLElement;
use dom::node::{Node, window_from_node};
use dom::virtualmethods::VirtualMethods;
@ -89,16 +89,16 @@ fn is_favicon(value: &Option<String>) -> bool {
impl VirtualMethods for HTMLLinkElement {
fn super_type(&self) -> Option<&VirtualMethods> {
let htmlelement: &HTMLElement = HTMLElementCast::from_ref(self);
let htmlelement: &HTMLElement = self.upcast::<HTMLElement>();
Some(htmlelement as &VirtualMethods)
}
fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation) {
self.super_type().unwrap().attribute_mutated(attr, mutation);
if !NodeCast::from_ref(self).is_in_doc() || mutation == AttributeMutation::Removed {
if !self.upcast::<Node>().is_in_doc() || mutation == AttributeMutation::Removed {
return;
}
let rel = get_attr(ElementCast::from_ref(self), &atom!(rel));
let rel = get_attr(self.upcast::<Element>(), &atom!(rel));
match attr.local_name() {
&atom!(href) => {
if is_stylesheet(&rel) {
@ -129,7 +129,7 @@ impl VirtualMethods for HTMLLinkElement {
}
if tree_in_doc {
let element = ElementCast::from_ref(self);
let element = self.upcast::<Element>();
let rel = get_attr(element, &atom!("rel"));
let href = get_attr(element, &atom!("href"));
@ -154,7 +154,7 @@ impl HTMLLinkElement {
let window = window.r();
match UrlParser::new().base_url(&window.get_url()).parse(href) {
Ok(url) => {
let element = ElementCast::from_ref(self);
let element = self.upcast::<Element>();
let mq_attribute = element.get_attribute(&ns!(""), &atom!("media"));
let value = mq_attribute.r().map(|a| a.value());
@ -225,7 +225,7 @@ impl HTMLLinkElementMethods for HTMLLinkElement {
// https://html.spec.whatwg.org/multipage/#dom-link-rellist
fn RelList(&self) -> Root<DOMTokenList> {
self.rel_list.or_init(|| {
DOMTokenList::new(ElementCast::from_ref(self), &atom!("rel"))
DOMTokenList::new(self.upcast::<Element>(), &atom!("rel"))
})
}
@ -267,7 +267,7 @@ impl StylesheetLoadResponder for StylesheetLoadDispatcher {
let event = Event::new(GlobalRef::Window(window.r()), "load".to_owned(),
EventBubbles::DoesNotBubble,
EventCancelable::NotCancelable);
let target = EventTargetCast::from_ref(elem.r());
let target = elem.upcast::<EventTarget>();
event.r().fire(target);
}
}