1 files changed, 47 insertions, 6 deletions

diff --git a/components/script/dom/cssstylesheet.rs b/components/script/dom/cssstylesheet.rs
index d5a9342a75a..32413ea0298 100644
--- a/components/script/dom/cssstylesheet.rs
+++ b/components/script/dom/cssstylesheet.rs
@@ -4,10 +4,13 @@
 
 use dom::bindings::codegen::Bindings::CSSStyleSheetBinding;
 use dom::bindings::codegen::Bindings::CSSStyleSheetBinding::CSSStyleSheetMethods;
+use dom::bindings::codegen::Bindings::WindowBinding::WindowBinding::WindowMethods;
+use dom::bindings::error::{ErrorResult, Fallible};
 use dom::bindings::js::{JS, Root, MutNullableHeap};
 use dom::bindings::reflector::{reflect_dom_object, Reflectable};
 use dom::bindings::str::DOMString;
-use dom::cssrulelist::CSSRuleList;
+use dom::cssrulelist::{CSSRuleList, RulesSource};
+use dom::element::Element;
 use dom::stylesheet::StyleSheet;
 use dom::window::Window;
 use std::sync::Arc;
@@ -16,36 +19,74 @@ use style::stylesheets::Stylesheet as StyleStyleSheet;
 #[dom_struct]
 pub struct CSSStyleSheet {
     stylesheet: StyleSheet,
+    owner: JS<Element>,
     rulelist: MutNullableHeap<JS<CSSRuleList>>,
     #[ignore_heap_size_of = "Arc"]
     style_stylesheet: Arc<StyleStyleSheet>,
 }
 
 impl CSSStyleSheet {
-    fn new_inherited(type_: DOMString, href: Option<DOMString>,
-                     title: Option<DOMString>, stylesheet: Arc<StyleStyleSheet>) -> CSSStyleSheet {
+    fn new_inherited(owner: &Element,
+                     type_: DOMString,
+                     href: Option<DOMString>,
+                     title: Option<DOMString>,
+                     stylesheet: Arc<StyleStyleSheet>) -> CSSStyleSheet {
         CSSStyleSheet {
             stylesheet: StyleSheet::new_inherited(type_, href, title),
+            owner: JS::from_ref(owner),
             rulelist: MutNullableHeap::new(None),
             style_stylesheet: stylesheet,
         }
     }
 
     #[allow(unrooted_must_root)]
-    pub fn new(window: &Window, type_: DOMString,
+    pub fn new(window: &Window,
+               owner: &Element,
+               type_: DOMString,
                href: Option<DOMString>,
                title: Option<DOMString>,
                stylesheet: Arc<StyleStyleSheet>) -> Root<CSSStyleSheet> {
-        reflect_dom_object(box CSSStyleSheet::new_inherited(type_, href, title, stylesheet),
+        reflect_dom_object(box CSSStyleSheet::new_inherited(owner, type_, href, title, stylesheet),
                            window,
                            CSSStyleSheetBinding::Wrap)
     }
+
+    fn rulelist(&self) -> Root<CSSRuleList> {
+        self.rulelist.or_init(|| CSSRuleList::new(self.global().as_window(),
+                                                  Some(self),
+                                                  RulesSource::Rules(self.style_stylesheet
+                                                                         .rules.clone())))
+    }
+
+    pub fn disabled(&self) -> bool {
+        self.style_stylesheet.disabled()
+    }
+
+    pub fn set_disabled(&self, disabled: bool) {
+        if self.style_stylesheet.set_disabled(disabled) {
+            self.global().as_window().Document().invalidate_stylesheets();
+        }
+    }
 }
 
 impl CSSStyleSheetMethods for CSSStyleSheet {
     // https://drafts.csswg.org/cssom/#dom-cssstylesheet-cssrules
     fn CssRules(&self) -> Root<CSSRuleList> {
-        self.rulelist.or_init(|| CSSRuleList::new(self.global().as_window(), self, self.style_stylesheet.rules.clone()))
+        // XXXManishearth check origin clean flag
+        // https://github.com/servo/servo/issues/14327
+        self.rulelist()
+    }
+
+    // https://drafts.csswg.org/cssom/#dom-cssstylesheet-insertrule
+    fn InsertRule(&self, rule: DOMString, index: u32) -> Fallible<u32> {
+        // XXXManishearth check origin clean flag
+        self.rulelist().insert_rule(&rule, index, /* nested */ false)
+    }
+
+    // https://drafts.csswg.org/cssom/#dom-cssstylesheet-deleterule
+    fn DeleteRule(&self, index: u32) -> ErrorResult {
+        // XXXManishearth check origin clean flag
+        self.rulelist().remove_rule(index)
     }
 }