[js] element.ownerDocument

src/ecmascript/ecmascript.h

@@ -63,6 +63,7 @@ struct ecmascript_interpreter {
 	void *ac;
 	void *ac2;
 	void *ar;
+	void *document_obj;
 	JS::RootedValue fun;
 };
 

src/ecmascript/spidermonkey.c

@@ -272,6 +272,8 @@ spidermonkey_get_interpreter(struct ecmascript_interpreter *interpreter)
 		goto release_and_fail;
 	}
 
+	interpreter->document_obj = document_obj;
+
 	forms_obj = spidermonkey_InitClass(ctx, document_obj, NULL,
 					   &forms_class, NULL, 0,
 					   forms_props,

src/ecmascript/spidermonkey/document.c

@@ -437,6 +437,23 @@ document_get_property_location(JSContext *ctx, unsigned int argc, JS::Value *vp)
 	return true;
 }
 
+static bool
+document_get_property_nodeType(JSContext *ctx, unsigned int argc, JS::Value *vp)
+{
+	JS::CallArgs args = CallArgsFromVp(argc, vp);
+	JS::RootedObject hobj(ctx, &args.thisv().toObject());
+
+	JSCompartment *comp = js::GetContextCompartment(ctx);
+
+	if (!comp) {
+		return false;
+	}
+	args.rval().setInt32(9);
+
+	return true;
+}
+
+
 static bool
 document_set_property_location(JSContext *ctx, unsigned int argc, JS::Value *vp)
 {
@@ -715,6 +732,7 @@ JSPropertySpec document_props[] = {
 	JS_PSG("images", document_get_property_images, JSPROP_ENUMERATE),
 	JS_PSG("links", document_get_property_links, JSPROP_ENUMERATE),
 	JS_PSGS("location",	document_get_property_location, document_set_property_location, JSPROP_ENUMERATE),
+	JS_PSG("nodeType", document_get_property_nodeType, JSPROP_ENUMERATE),
 	JS_PSG("referrer",	document_get_property_referrer, JSPROP_ENUMERATE),
 	JS_PSG("scripts",	document_get_property_scripts, JSPROP_ENUMERATE),
 	JS_PSGS("title",	document_get_property_title, document_set_property_title, JSPROP_ENUMERATE), /* TODO: Charset? */

src/ecmascript/spidermonkey/element.c

@@ -76,6 +76,7 @@ static bool element_get_property_nodeType(JSContext *ctx, unsigned int argc, JS:
 static bool element_get_property_nodeValue(JSContext *ctx, unsigned int argc, JS::Value *vp);
 static bool element_get_property_outerHtml(JSContext *ctx, unsigned int argc, JS::Value *vp);
 static bool element_set_property_outerHtml(JSContext *ctx, unsigned int argc, JS::Value *vp);
+static bool element_get_property_ownerDocument(JSContext *ctx, unsigned int argc, JS::Value *vp);
 static bool element_get_property_parentElement(JSContext *ctx, unsigned int argc, JS::Value *vp);
 static bool element_get_property_parentNode(JSContext *ctx, unsigned int argc, JS::Value *vp);
 static bool element_get_property_previousElementSibling(JSContext *ctx, unsigned int argc, JS::Value *vp);
@@ -116,6 +117,7 @@ JSPropertySpec element_props[] = {
 	JS_PSG("nodeType",	element_get_property_nodeType, JSPROP_ENUMERATE),
 	JS_PSG("nodeValue",	element_get_property_nodeValue, JSPROP_ENUMERATE),
 	JS_PSGS("outerHTML",	element_get_property_outerHtml, element_set_property_outerHtml, JSPROP_ENUMERATE),
+	JS_PSG("ownerDocument",	element_get_property_ownerDocument, JSPROP_ENUMERATE),
 	JS_PSG("parentElement",	element_get_property_parentElement, JSPROP_ENUMERATE),
 	JS_PSG("parentNode",	element_get_property_parentNode, JSPROP_ENUMERATE),
 	JS_PSG("previousElementSibling",	element_get_property_previousElementSibling, JSPROP_ENUMERATE),
@@ -843,6 +845,36 @@ element_get_property_nextSibling(JSContext *ctx, unsigned int argc, JS::Value *v
 	return true;
 }
 
+static bool
+element_get_property_ownerDocument(JSContext *ctx, unsigned int argc, JS::Value *vp)
+{
+	JS::CallArgs args = CallArgsFromVp(argc, vp);
+	JS::RootedObject hobj(ctx, &args.thisv().toObject());
+
+	struct view_state *vs;
+	JSCompartment *comp = js::GetContextCompartment(ctx);
+
+	if (!comp) {
+		return false;
+	}
+
+	struct ecmascript_interpreter *interpreter = JS_GetCompartmentPrivate(comp);
+
+	/* This can be called if @obj if not itself an instance of the
+	 * appropriate class but has one in its prototype chain.  Fail
+	 * such calls.  */
+	if (!JS_InstanceOf(ctx, hobj, &element_class, NULL))
+		return false;
+
+	vs = interpreter->vs;
+	if (!vs) {
+		return false;
+	}
+	args.rval().setObject(*(JSObject *)(interpreter->document_obj));
+
+	return true;
+}
+
 static bool
 element_get_property_parentElement(JSContext *ctx, unsigned int argc, JS::Value *vp)
 {

test/ecmascript/ownerDocument.html

@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+<body>
+
+<p id="myP">Click the button get the node type of the owner document of this &lt;p&gt; element.</p>
+
+<button onclick="myFunction()">Try it</button>
+
+<p id="demo"></p>
+
+<script>
+function myFunction() {
+  var x= document.getElementById("myP").ownerDocument.nodeType;
+  alert(x);
+}
+</script>
+
+</body>
+</html>