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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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@ -8,11 +8,10 @@ use devtools_traits::{EvaluateJSReply, Modification, NodeInfo, TimelineMarker, T
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use dom::bindings::codegen::Bindings::DOMRectBinding::{DOMRectMethods};
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use dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods;
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use dom::bindings::codegen::Bindings::ElementBinding::{ElementMethods};
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use dom::bindings::codegen::InheritTypes::{ElementCast, NodeCast};
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use dom::bindings::conversions::FromJSValConvertible;
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use dom::bindings::conversions::jsstring_to_str;
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use dom::bindings::conversions::{Castable, FromJSValConvertible, jsstring_to_str};
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use dom::bindings::global::GlobalRef;
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use dom::bindings::js::Root;
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use dom::element::Element;
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use dom::node::Node;
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use ipc_channel::ipc::IpcSender;
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use js::jsapi::{ObjectClassName, RootedObject, RootedValue};
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@ -60,7 +59,7 @@ pub fn handle_get_root_node(page: &Rc<Page>, pipeline: PipelineId, reply: IpcSen
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let page = get_page(&*page, pipeline);
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let document = page.document();
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let node = NodeCast::from_ref(document.r());
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let node = document.upcast::<Node>();
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reply.send(node.summarize()).unwrap();
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}
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@ -69,14 +68,14 @@ pub fn handle_get_document_element(page: &Rc<Page>, pipeline: PipelineId, reply:
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let document = page.document();
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let document_element = document.r().GetDocumentElement().unwrap();
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let node = NodeCast::from_ref(document_element.r());
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let node = document_element.upcast::<Node>();
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reply.send(node.summarize()).unwrap();
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}
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fn find_node_by_unique_id(page: &Rc<Page>, pipeline: PipelineId, node_id: String) -> Root<Node> {
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let page = get_page(&*page, pipeline);
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let document = page.document();
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let node = NodeCast::from_ref(document.r());
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let node = document.upcast::<Node>();
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for candidate in node.traverse_preorder() {
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if candidate.r().get_unique_id() == node_id {
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@ -100,7 +99,7 @@ pub fn handle_get_layout(page: &Rc<Page>,
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node_id: String,
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reply: IpcSender<ComputedNodeLayout>) {
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let node = find_node_by_unique_id(&*page, pipeline, node_id);
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let elem = ElementCast::to_ref(node.r()).expect("should be getting layout of element");
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let elem = node.downcast::<Element>().expect("should be getting layout of element");
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let rect = elem.GetBoundingClientRect();
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let width = rect.Width() as f32;
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let height = rect.Height() as f32;
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@ -154,7 +153,7 @@ pub fn handle_modify_attribute(page: &Rc<Page>,
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node_id: String,
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modifications: Vec<Modification>) {
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let node = find_node_by_unique_id(&*page, pipeline, node_id);
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let elem = ElementCast::to_ref(node.r()).expect("should be getting layout of element");
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let elem = node.downcast::<Element>().expect("should be getting layout of element");
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for modification in &modifications {
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match modification.newValue {
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