Auto merge of #21856 - zcorpan:zcorpan/remove-td-th-interfaces, r=jdm

Remove the HTMLTable{Header,Data}CellElement interfaces

Fixes #17222.

<!-- Please describe your changes on the following line: -->
This removes the `HTMLTableHeaderCellElement` and `HTMLTableDataCellElement` interfaces and uses the `HTMLTableCellElement` interface for both `th` and `td` elements, as per the spec.

---
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- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #17222.

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- [X] There are tests for these changes OR
- [ ] These changes do not require tests because _____

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components/script/dom/bindings/htmlconstructor.rs

@@ -55,10 +55,9 @@ use dom::bindings::codegen::Bindings::HTMLSourceElementBinding;
 use dom::bindings::codegen::Bindings::HTMLSpanElementBinding;
 use dom::bindings::codegen::Bindings::HTMLStyleElementBinding;
 use dom::bindings::codegen::Bindings::HTMLTableCaptionElementBinding;
+use dom::bindings::codegen::Bindings::HTMLTableCellElementBinding;
 use dom::bindings::codegen::Bindings::HTMLTableColElementBinding;
-use dom::bindings::codegen::Bindings::HTMLTableDataCellElementBinding;
 use dom::bindings::codegen::Bindings::HTMLTableElementBinding;
-use dom::bindings::codegen::Bindings::HTMLTableHeaderCellElementBinding;
 use dom::bindings::codegen::Bindings::HTMLTableRowElementBinding;
 use dom::bindings::codegen::Bindings::HTMLTableSectionElementBinding;
 use dom::bindings::codegen::Bindings::HTMLTemplateElementBinding;
@@ -310,11 +309,11 @@ pub fn get_constructor_object_from_local_name(
         local_name!("sup") => get_constructor!(HTMLElementBinding),
         local_name!("table") => get_constructor!(HTMLTableElementBinding),
         local_name!("tbody") => get_constructor!(HTMLTableSectionElementBinding),
-        local_name!("td") => get_constructor!(HTMLTableDataCellElementBinding),
+        local_name!("td") => get_constructor!(HTMLTableCellElementBinding),
         local_name!("template") => get_constructor!(HTMLTemplateElementBinding),
         local_name!("textarea") => get_constructor!(HTMLTextAreaElementBinding),
         local_name!("tfoot") => get_constructor!(HTMLTableSectionElementBinding),
-        local_name!("th") => get_constructor!(HTMLTableHeaderCellElementBinding),
+        local_name!("th") => get_constructor!(HTMLTableCellElementBinding),
         local_name!("thead") => get_constructor!(HTMLTableSectionElementBinding),
         local_name!("time") => get_constructor!(HTMLTimeElementBinding),
         local_name!("title") => get_constructor!(HTMLTitleElementBinding),

components/script/dom/create.rs

@@ -64,10 +64,9 @@ use dom::htmlsourceelement::HTMLSourceElement;
 use dom::htmlspanelement::HTMLSpanElement;
 use dom::htmlstyleelement::HTMLStyleElement;
 use dom::htmltablecaptionelement::HTMLTableCaptionElement;
+use dom::htmltablecellelement::HTMLTableCellElement;
 use dom::htmltablecolelement::HTMLTableColElement;
-use dom::htmltabledatacellelement::HTMLTableDataCellElement;
 use dom::htmltableelement::HTMLTableElement;
-use dom::htmltableheadercellelement::HTMLTableHeaderCellElement;
 use dom::htmltablerowelement::HTMLTableRowElement;
 use dom::htmltablesectionelement::HTMLTableSectionElement;
 use dom::htmltemplateelement::HTMLTemplateElement;
@@ -346,12 +345,12 @@ pub fn create_native_html_element(
         local_name!("sup") => make!(HTMLElement),
         local_name!("table") => make!(HTMLTableElement),
         local_name!("tbody") => make!(HTMLTableSectionElement),
-        local_name!("td") => make!(HTMLTableDataCellElement),
+        local_name!("td") => make!(HTMLTableCellElement),
         local_name!("template") => make!(HTMLTemplateElement),
         local_name!("textarea") => make!(HTMLTextAreaElement),
         // https://html.spec.whatwg.org/multipage/#the-tfoot-element:concept-element-dom
         local_name!("tfoot") => make!(HTMLTableSectionElement),
-        local_name!("th") => make!(HTMLTableHeaderCellElement),
+        local_name!("th") => make!(HTMLTableCellElement),
         // https://html.spec.whatwg.org/multipage/#the-thead-element:concept-element-dom
         local_name!("thead") => make!(HTMLTableSectionElement),
         local_name!("time") => make!(HTMLTimeElement),

components/script/dom/htmltablecellelement.rs

@@ -3,9 +3,11 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 use cssparser::RGBA;
+use dom::bindings::codegen::Bindings::HTMLTableCellElementBinding;
 use dom::bindings::codegen::Bindings::HTMLTableCellElementBinding::HTMLTableCellElementMethods;
 use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
 use dom::bindings::inheritance::Castable;
+use dom::bindings::root::DomRoot;
 use dom::bindings::root::LayoutDom;
 use dom::bindings::str::DOMString;
 use dom::document::Document;
@@ -28,15 +30,30 @@ pub struct HTMLTableCellElement {
 }
 
 impl HTMLTableCellElement {
-    pub fn new_inherited(
-        tag_name: LocalName,
+    fn new_inherited(
+        local_name: LocalName,
         prefix: Option<Prefix>,
         document: &Document,
     ) -> HTMLTableCellElement {
         HTMLTableCellElement {
-            htmlelement: HTMLElement::new_inherited(tag_name, prefix, document),
+            htmlelement: HTMLElement::new_inherited(local_name, prefix, document),
         }
     }
+
+    #[allow(unrooted_must_root)]
+    pub fn new(
+        local_name: LocalName,
+        prefix: Option<Prefix>,
+        document: &Document,
+    ) -> DomRoot<HTMLTableCellElement> {
+        Node::reflect_node(
+            Box::new(HTMLTableCellElement::new_inherited(
+                local_name, prefix, document,
+            )),
+            document,
+            HTMLTableCellElementBinding::Wrap,
+        )
+    }
 }
 
 impl HTMLTableCellElementMethods for HTMLTableCellElement {

components/script/dom/htmltabledatacellelement.rs

@@ -1,43 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-use dom::bindings::codegen::Bindings::HTMLTableDataCellElementBinding;
-use dom::bindings::root::DomRoot;
-use dom::document::Document;
-use dom::htmltablecellelement::HTMLTableCellElement;
-use dom::node::Node;
-use dom_struct::dom_struct;
-use html5ever::{LocalName, Prefix};
-
-#[dom_struct]
-pub struct HTMLTableDataCellElement {
-    htmltablecellelement: HTMLTableCellElement,
-}
-
-impl HTMLTableDataCellElement {
-    fn new_inherited(
-        local_name: LocalName,
-        prefix: Option<Prefix>,
-        document: &Document,
-    ) -> HTMLTableDataCellElement {
-        HTMLTableDataCellElement {
-            htmltablecellelement: HTMLTableCellElement::new_inherited(local_name, prefix, document),
-        }
-    }
-
-    #[allow(unrooted_must_root)]
-    pub fn new(
-        local_name: LocalName,
-        prefix: Option<Prefix>,
-        document: &Document,
-    ) -> DomRoot<HTMLTableDataCellElement> {
-        Node::reflect_node(
-            Box::new(HTMLTableDataCellElement::new_inherited(
-                local_name, prefix, document,
-            )),
-            document,
-            HTMLTableDataCellElementBinding::Wrap,
-        )
-    }
-}

components/script/dom/htmltableheadercellelement.rs

@@ -1,43 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-use dom::bindings::codegen::Bindings::HTMLTableHeaderCellElementBinding;
-use dom::bindings::root::DomRoot;
-use dom::document::Document;
-use dom::htmltablecellelement::HTMLTableCellElement;
-use dom::node::Node;
-use dom_struct::dom_struct;
-use html5ever::{LocalName, Prefix};
-
-#[dom_struct]
-pub struct HTMLTableHeaderCellElement {
-    htmltablecellelement: HTMLTableCellElement,
-}
-
-impl HTMLTableHeaderCellElement {
-    fn new_inherited(
-        local_name: LocalName,
-        prefix: Option<Prefix>,
-        document: &Document,
-    ) -> HTMLTableHeaderCellElement {
-        HTMLTableHeaderCellElement {
-            htmltablecellelement: HTMLTableCellElement::new_inherited(local_name, prefix, document),
-        }
-    }
-
-    #[allow(unrooted_must_root)]
-    pub fn new(
-        local_name: LocalName,
-        prefix: Option<Prefix>,
-        document: &Document,
-    ) -> DomRoot<HTMLTableHeaderCellElement> {
-        Node::reflect_node(
-            Box::new(HTMLTableHeaderCellElement::new_inherited(
-                local_name, prefix, document,
-            )),
-            document,
-            HTMLTableHeaderCellElementBinding::Wrap,
-        )
-    }
-}

components/script/dom/htmltablerowelement.rs

@@ -15,9 +15,8 @@ use dom::document::Document;
 use dom::element::{Element, RawLayoutElementHelpers};
 use dom::htmlcollection::{CollectionFilter, HTMLCollection};
 use dom::htmlelement::HTMLElement;
-use dom::htmltabledatacellelement::HTMLTableDataCellElement;
+use dom::htmltablecellelement::HTMLTableCellElement;
 use dom::htmltableelement::HTMLTableElement;
-use dom::htmltableheadercellelement::HTMLTableHeaderCellElement;
 use dom::htmltablesectionelement::HTMLTableSectionElement;
 use dom::node::{Node, window_from_node};
 use dom::virtualmethods::VirtualMethods;
@@ -29,7 +28,7 @@ use style::attr::AttrValue;
 struct CellsFilter;
 impl CollectionFilter for CellsFilter {
     fn filter(&self, elem: &Element, root: &Node) -> bool {
-        (elem.is::<HTMLTableHeaderCellElement>() || elem.is::<HTMLTableDataCellElement>()) &&
+        (elem.is::<HTMLTableCellElement>()) &&
             elem.upcast::<Node>().GetParentNode().r() == Some(root)
     }
 }
@@ -99,7 +98,7 @@ impl HTMLTableRowElementMethods for HTMLTableRowElement {
         node.insert_cell_or_row(
             index,
             || self.Cells(),
-            || HTMLTableDataCellElement::new(local_name!("td"), None, &node.owner_doc()),
+            || HTMLTableCellElement::new(local_name!("td"), None, &node.owner_doc()),
         )
     }
 
@@ -109,7 +108,7 @@ impl HTMLTableRowElementMethods for HTMLTableRowElement {
         node.delete_cell_or_row(
             index,
             || self.Cells(),
-            |n| n.is::<HTMLTableDataCellElement>(),
+            |n| n.is::<HTMLTableCellElement>(),
         )
     }
 

components/script/dom/mod.rs

@@ -372,9 +372,7 @@ pub mod htmlstyleelement;
 pub mod htmltablecaptionelement;
 pub mod htmltablecellelement;
 pub mod htmltablecolelement;
-pub mod htmltabledatacellelement;
 pub mod htmltableelement;
-pub mod htmltableheadercellelement;
 pub mod htmltablerowelement;
 pub mod htmltablesectionelement;
 pub mod htmltemplateelement;

components/script/dom/node.rs

@@ -2930,7 +2930,7 @@ impl Into<LayoutElementType> for ElementTypeId {
             ElementTypeId::HTMLElement(HTMLElementTypeId::HTMLParagraphElement) => {
                 LayoutElementType::HTMLParagraphElement
             },
-            ElementTypeId::HTMLElement(HTMLElementTypeId::HTMLTableCellElement(_)) => {
+            ElementTypeId::HTMLElement(HTMLElementTypeId::HTMLTableCellElement) => {
                 LayoutElementType::HTMLTableCellElement
             },
             ElementTypeId::HTMLElement(HTMLElementTypeId::HTMLTableColElement) => {

components/script/dom/virtualmethods.rs

@@ -242,7 +242,7 @@ pub fn vtable_for(node: &Node) -> &VirtualMethods {
             node.downcast::<HTMLTableElement>().unwrap() as &VirtualMethods
         },
         NodeTypeId::Element(ElementTypeId::HTMLElement(
-            HTMLElementTypeId::HTMLTableCellElement(_),
+            HTMLElementTypeId::HTMLTableCellElement,
         )) => node.downcast::<HTMLTableCellElement>().unwrap() as &VirtualMethods,
         NodeTypeId::Element(ElementTypeId::HTMLElement(HTMLElementTypeId::HTMLTableRowElement)) => {
             node.downcast::<HTMLTableRowElement>().unwrap() as &VirtualMethods

components/script/dom/webidls/HTMLTableCellElement.webidl

@@ -3,7 +3,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 // https://html.spec.whatwg.org/multipage/#htmltablecellelement
-[HTMLConstructor, Abstract]
+[HTMLConstructor]
 interface HTMLTableCellElement : HTMLElement {
   [CEReactions]
            attribute unsigned long colSpan;
@@ -13,6 +13,11 @@ interface HTMLTableCellElement : HTMLElement {
   //          attribute DOMString headers;
   readonly attribute long cellIndex;
 
+  // [CEReactions]
+  //          attribute DOMString scope; // only conforming for th elements
+  // [CEReactions]
+  //          attribute DOMString abbr;  // only conforming for th elements
+
   // also has obsolete members
 };
 

components/script/dom/webidls/HTMLTableDataCellElement.webidl

@@ -1,15 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-// https://html.spec.whatwg.org/multipage/#htmltabledatacellelement
-[HTMLConstructor]
-interface HTMLTableDataCellElement : HTMLTableCellElement {
-  // also has obsolete members
-};
-
-// https://html.spec.whatwg.org/multipage/#HTMLTableDataCellElement-partial
-partial interface HTMLTableDataCellElement {
-  // [CEReactions]
-  //         attribute DOMString abbr;
-};

components/script/dom/webidls/HTMLTableHeaderCellElement.webidl

@@ -1,15 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-// https://html.spec.whatwg.org/multipage/#htmltableheadercellelement
-[HTMLConstructor]
-interface HTMLTableHeaderCellElement : HTMLTableCellElement {
-  // [CEReactions]
-  //         attribute DOMString scope;
-  // [CEReactions]
-  //         attribute DOMString abbr;
-  // [CEReactions]
-  //         attribute DOMString sorted;
-  // void sort();
-};