Initial Files for MutationObserverAPI

components/script/dom/bindings/codegen/Bindings.conf

@@ -18,6 +18,10 @@ DOMInterfaces = {
     'weakReferenceable': True,
 },
 
+'MutationObserver': {},
+
+'MutationRecord': {},
+
 'Promise': {
     'spiderMonkeyInterface': True,
 },

components/script/dom/mod.rs

@@ -378,6 +378,8 @@ pub mod messageevent;
 pub mod mimetype;
 pub mod mimetypearray;
 pub mod mouseevent;
+pub mod mutationobserver;
+pub mod mutationrecord;
 pub mod namednodemap;
 pub mod navigator;
 pub mod navigatorinfo;

components/script/dom/mutationobserver.rs

@@ -0,0 +1,8 @@
+use dom_struct::dom_struct;
+
+#[dom_struct]
+pub struct MutationObserver {
+}
+
+impl MutationObserver {
+}

components/script/dom/mutationrecord.rs

@@ -0,0 +1,8 @@
+use dom_struct::dom_struct;
+
+#[dom_struct]
+pub struct MutationRecord {
+}
+
+impl MutationRecord {
+}

components/script/dom/webidls/MutationObserver.webidl

@@ -0,0 +1,20 @@
+[Pref="dom.mutation_observer.enabled", Constructor(MutationCallback callback)]
+interface MutationObserver {
+  void observe(Node target, optional MutationObserverInit options);
+  void disconnect();
+  sequence<MutationRecord> takeRecords();
+};
+
+callback MutationCallback = void (sequence<MutationRecord> mutations, MutationObserver observer);
+
+dictionary MutationObserverInit {
+  boolean childList = false;
+  boolean attributes;
+  boolean characterData;
+  boolean subtree = false;
+  boolean attributeOldValue;
+  boolean characterDataOldValue;
+  sequence<DOMString> attributeFilter;
+};
+
+

components/script/dom/webidls/MutationRecord.webidl

@@ -0,0 +1,13 @@
+[Pref="dom.mutation_observer.enabled", Exposed=Window]
+interface MutationRecord
+ {
+  readonly attribute DOMString type;
+  [SameObject] readonly attribute Node target;
+  [SameObject] readonly attribute NodeList addedNodes;
+  [SameObject] readonly attribute NodeList removedNodes;
+  readonly attribute Node? previousSibling;
+  readonly attribute Node? nextSibling;
+  readonly attribute DOMString? attributeName;
+  readonly attribute DOMString? attributeNamespace;
+  readonly attribute DOMString? oldValue;
+};

resources/prefs.json

@@ -3,6 +3,7 @@
   "dom.bluetooth.testing.enabled": false,
   "dom.forcetouch.enabled": false,
   "dom.mouseevent.which.enabled": false,
+  "dom.mutation_observer.enabled": false,
   "dom.mozbrowser.enabled": false,
   "dom.permissions.enabled": false,
   "dom.permissions.testing.allowed_in_nonsecure_contexts": false,

tests/wpt/metadata/dom/nodes/__dir__.ini

@@ -0,0 +1,2 @@
+prefs: ["dom.mutation_observer.enabled:true"]
+