1 files changed, 25 insertions, 7 deletions
diff --git a/components/script/dom/htmltextareaelement.rs b/components/script/dom/htmltextareaelement.rs
index b2e78e083c0..90574c9967a 100755
--- a/components/script/dom/htmltextareaelement.rs
+++ b/components/script/dom/htmltextareaelement.rs
@@ -5,6 +5,7 @@
 use dom::attr::Attr;
 use dom::bindings::cell::DomRefCell;
 use dom::bindings::codegen::Bindings::EventBinding::EventMethods;
+use dom::bindings::codegen::Bindings::HTMLFormElementBinding::SelectionMode;
 use dom::bindings::codegen::Bindings::HTMLTextAreaElementBinding;
 use dom::bindings::codegen::Bindings::HTMLTextAreaElementBinding::HTMLTextAreaElementMethods;
 use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
@@ -44,7 +45,7 @@ pub struct HTMLTextAreaElement {
     textinput: DomRefCell<TextInput<ScriptToConstellationChan>>,
     placeholder: DomRefCell<DOMString>,
     // https://html.spec.whatwg.org/multipage/#concept-textarea-dirty
-    value_changed: Cell<bool>,
+    value_dirty: Cell<bool>,
     form_owner: MutNullableDom<HTMLFormElement>,
 }
 
@@ -122,7 +123,7 @@ impl HTMLTextAreaElement {
             placeholder: DomRefCell::new(DOMString::new()),
             textinput: DomRefCell::new(TextInput::new(
                     Lines::Multiple, DOMString::new(), chan, None, None, SelectionDirection::None)),
-            value_changed: Cell::new(false),
+            value_dirty: Cell::new(false),
             form_owner: Default::default(),
         }
     }
@@ -156,6 +157,10 @@ impl TextControl for HTMLTextAreaElement {
     fn has_selectable_text(&self) -> bool {
         true
     }
+
+    fn set_dirty_value_flag(&self, value: bool) {
+        self.value_dirty.set(value)
+    }
 }
 
 impl HTMLTextAreaElementMethods for HTMLTextAreaElement {
@@ -231,7 +236,7 @@ impl HTMLTextAreaElementMethods for HTMLTextAreaElement {
 
         // if the element's dirty value flag is false, then the element's
         // raw value must be set to the value of the element's textContent IDL attribute
-        if !self.value_changed.get() {
+        if !self.value_dirty.get() {
             self.reset();
         }
     }
@@ -253,7 +258,7 @@ impl HTMLTextAreaElementMethods for HTMLTextAreaElement {
         textinput.set_content(value);
 
         // Step 3
-        self.value_changed.set(true);
+        self.value_dirty.set(true);
 
         if old_value != textinput.get_content() {
             // Step 4
@@ -309,6 +314,19 @@ impl HTMLTextAreaElementMethods for HTMLTextAreaElement {
     fn SetSelectionRange(&self, start: u32, end: u32, direction: Option<DOMString>) -> ErrorResult {
         self.set_dom_selection_range(start, end, direction)
     }
+
+    // https://html.spec.whatwg.org/multipage/#dom-textarea/input-setrangetext
+    fn SetRangeText(&self, replacement: DOMString) -> ErrorResult {
+        // defined in TextControl trait
+        self.set_dom_range_text(replacement, None, None, Default::default())
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-textarea/input-setrangetext
+    fn SetRangeText_(&self, replacement: DOMString, start: u32, end: u32,
+                     selection_mode: SelectionMode) -> ErrorResult {
+        // defined in TextControl trait
+        self.set_dom_range_text(replacement, Some(start), Some(end), selection_mode)
+    }
 }
 
 
@@ -316,7 +334,7 @@ impl HTMLTextAreaElement {
     pub fn reset(&self) {
         // https://html.spec.whatwg.org/multipage/#the-textarea-element:concept-form-reset-control
         self.SetValue(self.DefaultValue());
-        self.value_changed.set(false);
+        self.value_dirty.set(false);
     }
 }
 
@@ -409,7 +427,7 @@ impl VirtualMethods for HTMLTextAreaElement {
         if let Some(ref s) = self.super_type() {
             s.children_changed(mutation);
         }
-        if !self.value_changed.get() {
+        if !self.value_dirty.get() {
             self.reset();
         }
     }
@@ -432,7 +450,7 @@ impl VirtualMethods for HTMLTextAreaElement {
                 match action {
                     KeyReaction::TriggerDefaultAction => (),
                     KeyReaction::DispatchInput => {
-                        self.value_changed.set(true);
+                        self.value_dirty.set(true);
                         self.update_placeholder_shown_state();
                         self.upcast::<Node>().dirty(NodeDamage::OtherNodeDamage);
                         event.mark_as_handled();