1 files changed, 140 insertions, 41 deletions
diff --git a/components/script/dom/htmloutputelement.rs b/components/script/dom/htmloutputelement.rs
index 719efad95d3..e20dbcc29b2 100644
--- a/components/script/dom/htmloutputelement.rs
+++ b/components/script/dom/htmloutputelement.rs
@@ -1,72 +1,155 @@
 /* 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::attr::Attr;
-use dom::bindings::codegen::Bindings::HTMLOutputElementBinding;
-use dom::bindings::codegen::Bindings::HTMLOutputElementBinding::HTMLOutputElementMethods;
-use dom::bindings::inheritance::Castable;
-use dom::bindings::js::{MutNullableJS, Root};
-use dom::bindings::str::DOMString;
-use dom::document::Document;
-use dom::element::{AttributeMutation, Element};
-use dom::htmlelement::HTMLElement;
-use dom::htmlformelement::{FormControl, HTMLFormElement};
-use dom::node::{Node, window_from_node};
-use dom::nodelist::NodeList;
-use dom::validitystate::ValidityState;
-use dom::virtualmethods::VirtualMethods;
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+use crate::dom::attr::Attr;
+use crate::dom::bindings::cell::DomRefCell;
+use crate::dom::bindings::codegen::Bindings::HTMLOutputElementBinding::HTMLOutputElementMethods;
+use crate::dom::bindings::inheritance::Castable;
+use crate::dom::bindings::root::{DomRoot, MutNullableDom};
+use crate::dom::bindings::str::DOMString;
+use crate::dom::document::Document;
+use crate::dom::element::{AttributeMutation, Element};
+use crate::dom::htmlelement::HTMLElement;
+use crate::dom::htmlformelement::{FormControl, HTMLFormElement};
+use crate::dom::node::{window_from_node, Node};
+use crate::dom::nodelist::NodeList;
+use crate::dom::validation::Validatable;
+use crate::dom::validitystate::ValidityState;
+use crate::dom::virtualmethods::VirtualMethods;
 use dom_struct::dom_struct;
-use html5ever_atoms::LocalName;
+use html5ever::{LocalName, Prefix};
 
 #[dom_struct]
 pub struct HTMLOutputElement {
     htmlelement: HTMLElement,
-    form_owner: MutNullableJS<HTMLFormElement>,
+    form_owner: MutNullableDom<HTMLFormElement>,
+    labels_node_list: MutNullableDom<NodeList>,
+    default_value_override: DomRefCell<Option<DOMString>>,
+    validity_state: MutNullableDom<ValidityState>,
 }
 
 impl HTMLOutputElement {
-    fn new_inherited(local_name: LocalName,
-                     prefix: Option<DOMString>,
-                     document: &Document) -> HTMLOutputElement {
+    fn new_inherited(
+        local_name: LocalName,
+        prefix: Option<Prefix>,
+        document: &Document,
+    ) -> HTMLOutputElement {
         HTMLOutputElement {
-            htmlelement:
-                HTMLElement::new_inherited(local_name, prefix, document),
+            htmlelement: HTMLElement::new_inherited(local_name, prefix, document),
             form_owner: Default::default(),
+            labels_node_list: Default::default(),
+            default_value_override: DomRefCell::new(None),
+            validity_state: Default::default(),
         }
     }
 
     #[allow(unrooted_must_root)]
-    pub fn new(local_name: LocalName,
-               prefix: Option<DOMString>,
-               document: &Document) -> Root<HTMLOutputElement> {
-        Node::reflect_node(box HTMLOutputElement::new_inherited(local_name, prefix, document),
-                           document,
-                           HTMLOutputElementBinding::Wrap)
+    pub fn new(
+        local_name: LocalName,
+        prefix: Option<Prefix>,
+        document: &Document,
+    ) -> DomRoot<HTMLOutputElement> {
+        Node::reflect_node(
+            Box::new(HTMLOutputElement::new_inherited(
+                local_name, prefix, document,
+            )),
+            document,
+        )
     }
-}
 
-impl HTMLOutputElementMethods for HTMLOutputElement {
-    // https://html.spec.whatwg.org/multipage/#dom-cva-validity
-    fn Validity(&self) -> Root<ValidityState> {
-        let window = window_from_node(self);
-        ValidityState::new(&window, self.upcast())
+    pub fn reset(&self) {
+        Node::string_replace_all(self.DefaultValue(), self.upcast::<Node>());
+        *self.default_value_override.borrow_mut() = None;
     }
+}
 
+impl HTMLOutputElementMethods for HTMLOutputElement {
     // https://html.spec.whatwg.org/multipage/#dom-fae-form
-    fn GetForm(&self) -> Option<Root<HTMLFormElement>> {
+    fn GetForm(&self) -> Option<DomRoot<HTMLFormElement>> {
         self.form_owner()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-lfe-labels
-    fn Labels(&self) -> Root<NodeList> {
-        self.upcast::<HTMLElement>().labels()
+    make_labels_getter!(Labels, labels_node_list);
+
+    // https://html.spec.whatwg.org/multipage/#dom-output-defaultvaleu
+    fn DefaultValue(&self) -> DOMString {
+        let dvo = self.default_value_override.borrow();
+        if let Some(ref dv) = *dvo {
+            dv.clone()
+        } else {
+            self.upcast::<Node>().descendant_text_content()
+        }
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-output-defaultvalue
+    fn SetDefaultValue(&self, value: DOMString) {
+        if self.default_value_override.borrow().is_none() {
+            // Step 1 ("and return")
+            Node::string_replace_all(value.clone(), self.upcast::<Node>());
+        } else {
+            // Step 2, if not returned from step 1
+            *self.default_value_override.borrow_mut() = Some(value);
+        }
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-output-value
+    fn Value(&self) -> DOMString {
+        self.upcast::<Node>().descendant_text_content()
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-output-value
+    fn SetValue(&self, value: DOMString) {
+        *self.default_value_override.borrow_mut() = Some(self.DefaultValue());
+        Node::string_replace_all(value, self.upcast::<Node>());
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-output-type
+    fn Type(&self) -> DOMString {
+        return DOMString::from("output");
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-fe-name
+    make_atomic_setter!(SetName, "name");
+
+    // https://html.spec.whatwg.org/multipage/#dom-fe-name
+    make_getter!(Name, "name");
+
+    // https://html.spec.whatwg.org/multipage/#dom-cva-willvalidate
+    fn WillValidate(&self) -> bool {
+        self.is_instance_validatable()
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-cva-validity
+    fn Validity(&self) -> DomRoot<ValidityState> {
+        self.validity_state()
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-cva-checkvalidity
+    fn CheckValidity(&self) -> bool {
+        self.check_validity()
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-cva-reportvalidity
+    fn ReportValidity(&self) -> bool {
+        self.report_validity()
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-cva-validationmessage
+    fn ValidationMessage(&self) -> DOMString {
+        self.validation_message()
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-cva-setcustomvalidity
+    fn SetCustomValidity(&self, error: DOMString) {
+        self.validity_state().set_custom_error_message(error);
     }
 }
 
 impl VirtualMethods for HTMLOutputElement {
-    fn super_type<'b>(&'b self) -> Option<&'b VirtualMethods> {
-        Some(self.upcast::<HTMLElement>() as &VirtualMethods)
+    fn super_type<'b>(&'b self) -> Option<&'b dyn VirtualMethods> {
+        Some(self.upcast::<HTMLElement>() as &dyn VirtualMethods)
     }
 
     fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation) {
@@ -81,7 +164,7 @@ impl VirtualMethods for HTMLOutputElement {
 }
 
 impl FormControl for HTMLOutputElement {
-    fn form_owner(&self) -> Option<Root<HTMLFormElement>> {
+    fn form_owner(&self) -> Option<DomRoot<HTMLFormElement>> {
         self.form_owner.get()
     }
 
@@ -93,3 +176,19 @@ impl FormControl for HTMLOutputElement {
         self.upcast::<Element>()
     }
 }
+
+impl Validatable for HTMLOutputElement {
+    fn as_element(&self) -> &Element {
+        self.upcast()
+    }
+
+    fn validity_state(&self) -> DomRoot<ValidityState> {
+        self.validity_state
+            .or_init(|| ValidityState::new(&window_from_node(self), self.upcast()))
+    }
+
+    fn is_instance_validatable(&self) -> bool {
+        // output is not a submittable element (https://html.spec.whatwg.org/multipage/#category-submit)
+        false
+    }
+}