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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

20
components/script/dom/cssstyledeclaration.rs
View file

@ -3,13 +3,13 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use dom::bindings::codegen::Bindings::CSSStyleDeclarationBinding::{self, CSSStyleDeclarationMethods};
use dom::bindings::codegen::InheritTypes::{ElementCast, NodeCast};
use dom::bindings::conversions::Castable;
use dom::bindings::error::{Error, ErrorResult, Fallible};
use dom::bindings::global::GlobalRef;
use dom::bindings::js::{JS, Root};
use dom::bindings::utils::{Reflector, reflect_dom_object};
use dom::element::{Element, StylePriority};
use dom::node::{NodeDamage, document_from_node, window_from_node};
use dom::node::{Node, NodeDamage, document_from_node, window_from_node};
use dom::window::Window;
use selectors::parser::PseudoElement;
use std::ascii::AsciiExt;
@ -75,7 +75,7 @@ impl CSSStyleDeclaration {
fn get_computed_style(&self, property: &Atom) -> Option<DOMString> {
let owner = self.owner.root();
let node = NodeCast::from_ref(owner.r());
let node = owner.upcast::<Node>();
if !node.is_in_doc() {
// TODO: Node should be matched against the style rules of this window.
// Firefox is currently the only browser to implement this.
@ -90,7 +90,7 @@ impl CSSStyleDeclarationMethods for CSSStyleDeclaration {
// https://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-length
fn Length(&self) -> u32 {
let owner = self.owner.root();
let elem = ElementCast::from_ref(owner.r());
let elem = owner.upcast::<Element>();
let len = match *elem.style_attribute().borrow() {
Some(ref declarations) => declarations.normal.len() + declarations.important.len(),
None => 0
@ -102,7 +102,7 @@ impl CSSStyleDeclarationMethods for CSSStyleDeclaration {
fn Item(&self, index: u32) -> DOMString {
let index = index as usize;
let owner = self.owner.root();
let elem = ElementCast::from_ref(owner.r());
let elem = owner.upcast::<Element>();
let style_attribute = elem.style_attribute().borrow();
let result = style_attribute.as_ref().and_then(|declarations| {
if index > declarations.normal.len() {
@ -233,7 +233,7 @@ impl CSSStyleDeclarationMethods for CSSStyleDeclaration {
};
let owner = self.owner.root();
let element = ElementCast::from_ref(owner.r());
let element = owner.upcast::<Element>();
// Step 8
for decl in declarations {
@ -242,7 +242,7 @@ impl CSSStyleDeclarationMethods for CSSStyleDeclaration {
}
let document = document_from_node(element);
let node = NodeCast::from_ref(element);
let node = element.upcast::<Node>();
document.r().content_changed(node, NodeDamage::NodeStyleDamaged);
Ok(())
}
@ -267,7 +267,7 @@ impl CSSStyleDeclarationMethods for CSSStyleDeclaration {
};
let owner = self.owner.root();
let element = ElementCast::from_ref(owner.r());
let element = owner.upcast::<Element>();
// Step 5 & 6
match longhands_from_shorthand(&property) {
@ -276,7 +276,7 @@ impl CSSStyleDeclarationMethods for CSSStyleDeclaration {
}
let document = document_from_node(element);
let node = NodeCast::from_ref(element);
let node = element.upcast::<Node>();
document.r().content_changed(node, NodeDamage::NodeStyleDamaged);
Ok(())
}
@ -300,7 +300,7 @@ impl CSSStyleDeclarationMethods for CSSStyleDeclaration {
let value = self.GetPropertyValue(property.clone());
let owner = self.owner.root();
let elem = ElementCast::from_ref(owner.r());
let elem = owner.upcast::<Element>();
match longhands_from_shorthand(&property) {
// Step 4