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