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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

26
components/script/dom/htmlscriptelement.rs
View file

@ -10,16 +10,16 @@ use dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods;
use dom::bindings::codegen::Bindings::HTMLScriptElementBinding;
use dom::bindings::codegen::Bindings::HTMLScriptElementBinding::HTMLScriptElementMethods;
use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
use dom::bindings::codegen::InheritTypes::{ElementCast, EventTargetCast, HTMLElementCast};
use dom::bindings::codegen::InheritTypes::{HTMLScriptElementCast, NodeCast};
use dom::bindings::conversions::Castable;
use dom::bindings::global::GlobalRef;
use dom::bindings::js::RootedReference;
use dom::bindings::js::{JS, Root};
use dom::bindings::refcounted::Trusted;
use dom::bindings::trace::JSTraceable;
use dom::document::Document;
use dom::element::{AttributeMutation, ElementCreator};
use dom::element::{AttributeMutation, Element, ElementCreator};
use dom::event::{Event, EventBubbles, EventCancelable};
use dom::eventtarget::EventTarget;
use dom::htmlelement::HTMLElement;
use dom::node::{ChildrenMutation, CloneChildrenFlag, Node};
use dom::node::{document_from_node, window_from_node};
@ -180,7 +180,7 @@ impl HTMLScriptElement {
self.parser_inserted.set(false);
// Step 3.
let element = ElementCast::from_ref(self);
let element = self.upcast::<Element>();
if was_parser_inserted && element.has_attribute(&atom!("async")) {
self.non_blocking.set(true);
}
@ -190,7 +190,7 @@ impl HTMLScriptElement {
return NextParserState::Continue;
}
// Step 5.
let node = NodeCast::from_ref(self);
let node = self.upcast::<Node>();
if !node.is_in_doc() {
return NextParserState::Continue;
}
@ -454,7 +454,7 @@ impl HTMLScriptElement {
}
pub fn is_javascript(&self) -> bool {
let element = ElementCast::from_ref(self);
let element = self.upcast::<Element>();
let type_attr = element.get_attribute(&ns!(""), &atom!("type"));
let is_js = match type_attr.as_ref().map(|s| s.value()) {
Some(ref s) if s.is_empty() => {
@ -508,14 +508,14 @@ impl HTMLScriptElement {
bubbles,
cancelable);
let event = event.r();
let target = EventTargetCast::from_ref(self);
let target = self.upcast::<EventTarget>();
event.fire(target)
}
}
impl VirtualMethods for HTMLScriptElement {
fn super_type(&self) -> Option<&VirtualMethods> {
let htmlelement: &HTMLElement = HTMLElementCast::from_ref(self);
let htmlelement: &HTMLElement = self.upcast::<HTMLElement>();
Some(htmlelement as &VirtualMethods)
}
@ -524,7 +524,7 @@ impl VirtualMethods for HTMLScriptElement {
match attr.local_name() {
&atom!("src") => {
if let AttributeMutation::Set(_) = mutation {
if !self.parser_inserted.get() && NodeCast::from_ref(self).is_in_doc() {
if !self.parser_inserted.get() && self.upcast::<Node>().is_in_doc() {
self.prepare();
}
}
@ -537,7 +537,7 @@ impl VirtualMethods for HTMLScriptElement {
if let Some(ref s) = self.super_type() {
s.children_changed(mutation);
}
let node = NodeCast::from_ref(self);
let node = self.upcast::<Node>();
if !self.parser_inserted.get() && node.is_in_doc() {
self.prepare();
}
@ -561,7 +561,7 @@ impl VirtualMethods for HTMLScriptElement {
// https://html.spec.whatwg.org/multipage/#already-started
if self.already_started.get() {
let copy_elem = HTMLScriptElementCast::to_ref(copy).unwrap();
let copy_elem = copy.downcast::<HTMLScriptElement>().unwrap();
copy_elem.mark_already_started();
}
}
@ -575,12 +575,12 @@ impl HTMLScriptElementMethods for HTMLScriptElement {
// https://html.spec.whatwg.org/multipage/#dom-script-text
fn Text(&self) -> DOMString {
Node::collect_text_contents(NodeCast::from_ref(self).children())
Node::collect_text_contents(self.upcast::<Node>().children())
}
// https://html.spec.whatwg.org/multipage/#dom-script-text
fn SetText(&self, value: DOMString) {
let node = NodeCast::from_ref(self);
let node = self.upcast::<Node>();
node.SetTextContent(Some(value))
}
}