From d1547e3a7c7ebc1b870b65793d6387ef7f12af5f Mon Sep 17 00:00:00 2001
From: Manish Goregaokar <manishsmail@gmail.com>
Date: Mon, 24 Nov 2014 06:04:04 +0530
Subject: [PATCH] Move InputSubmit to Activatable

---
 components/script/dom/element.rs          | 23 +++++------
 components/script/dom/htmlinputelement.rs | 47 ++++++++++++++++++++---
 2 files changed, 54 insertions(+), 16 deletions(-)

diff --git a/components/script/dom/element.rs b/components/script/dom/element.rs
index 31e5358393f..2708e0def6c 100644
--- a/components/script/dom/element.rs
+++ b/components/script/dom/element.rs
@@ -1202,9 +1202,8 @@ impl<'a> ActivationElementHelpers<'a> for JSRef<'a, Element> {
         let node: JSRef<Node> = NodeCast::from_ref(*self);
         match node.type_id() {
             ElementNodeTypeId(HTMLInputElementTypeId) => {
-                let _element: &'a JSRef<'a, HTMLInputElement> = HTMLInputElementCast::to_borrowed_ref(self).unwrap();
-                // Some(element as &'a Activatable + 'a)
-                None
+                let element: &'a JSRef<'a, HTMLInputElement> = HTMLInputElementCast::to_borrowed_ref(self).unwrap();
+                Some(element as &'a Activatable + 'a)
             },
             _ => {
                 None
@@ -1222,10 +1221,15 @@ impl<'a> ActivationElementHelpers<'a> for JSRef<'a, Element> {
 
     // https://html.spec.whatwg.org/multipage/interaction.html#nearest-activatable-element
     fn nearest_activable_element(self) -> Option<JSRef<'a, Element>> {
-        let node: JSRef<Node> = NodeCast::from_ref(self);
-        node.ancestors()
-            .filter_map(|node| ElementCast::to_ref(node))
-            .filter(|e| e.as_maybe_activatable().is_some()).next()
+        match self.as_maybe_activatable() {
+            Some(el) => Some(*el.as_element().root()),
+            None => {
+                let node: JSRef<Node> = NodeCast::from_ref(self);
+                node.ancestors()
+                    .filter_map(|node| ElementCast::to_ref(node))
+                    .filter(|e| e.as_maybe_activatable().is_some()).next()
+            }
+        }
     }
 
     /// Please call this method *only* for real click events
@@ -1252,11 +1256,8 @@ impl<'a> ActivationElementHelpers<'a> for JSRef<'a, Element> {
         // Step 6
         target.dispatch_event_with_target(None, event).ok();
         e.map(|el| {
-            if NodeCast::from_ref(el).is_in_doc() {
-                return; // XXXManishearth do we need this check?
-            }
             el.as_maybe_activatable().map(|a| {
-                if event.DefaultPrevented() {
+                if !event.DefaultPrevented() {
                     // post click activation
                     a.activation_behavior();
                 } else {
diff --git a/components/script/dom/htmlinputelement.rs b/components/script/dom/htmlinputelement.rs
index 30b4dcaa820..148beb08cab 100644
--- a/components/script/dom/htmlinputelement.rs
+++ b/components/script/dom/htmlinputelement.rs
@@ -2,6 +2,7 @@
  * 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::activation::Activatable;
 use dom::attr::{Attr, AttrValue, UIntAttrValue};
 use dom::attr::AttrHelpers;
 use dom::bindings::cell::DOMRefCell;
@@ -429,11 +430,6 @@ impl<'a> VirtualMethods for JSRef<'a, HTMLInputElement> {
             match self.input_type.get() {
                 InputCheckbox => self.SetChecked(!self.checked.get()),
                 InputRadio => self.SetChecked(true),
-                InputSubmit => {
-                    self.form_owner().map(|o| {
-                        o.root().submit(NotFromFormSubmitMethod, InputElement(self.clone()))
-                    });
-                }
                 _ => {}
             }
 
@@ -499,3 +495,44 @@ impl<'a> FormControl<'a> for JSRef<'a, HTMLInputElement> {
         !(self.Disabled() || self.ReadOnly())
     }
 }
+
+
+impl<'a> Activatable for JSRef<'a, HTMLInputElement> {
+    fn as_element(&self) -> Temporary<Element> {
+        Temporary::from_rooted(ElementCast::from_ref(*self))
+    }
+
+    // https://html.spec.whatwg.org/multipage/interaction.html#run-pre-click-activation-steps
+    fn pre_click_activation(&self) {
+        match self.input_type.get() {
+            // https://html.spec.whatwg.org/multipage/forms.html#submit-button-state-%28type=submit%29
+            // InputSubmit => (), // No behavior defined
+            _ => ()
+        }
+    }
+
+    // https://html.spec.whatwg.org/multipage/interaction.html#run-canceled-activation-steps
+    fn canceled_activation(&self) {
+        match self.input_type.get() {
+            // https://html.spec.whatwg.org/multipage/forms.html#submit-button-state-%28type=submit%29
+            // InputSubmit => (), // No behavior defined
+            _ => ()
+        }
+    }
+
+    // https://html.spec.whatwg.org/multipage/interaction.html#run-post-click-activation-steps
+    fn activation_behavior(&self) {
+        match self.input_type.get() {
+            InputSubmit => {
+                // https://html.spec.whatwg.org/multipage/forms.html#submit-button-state-%28type=submit%29
+                // FIXME (Manishearth): 
+                if self.mutable() /* and document owner is fully active */ {
+                    self.form_owner().map(|o| {
+                        o.root().submit(NotFromFormSubmitMethod, InputElement(self.clone()))
+                    });
+                }
+            },
+            _ => ()
+        }
+    }
+}