Add NodeHelpers::get_bounding_content_box().

1 files changed, 14 insertions, 2 deletions

diff --git a/src/components/script/dom/node.rs b/src/components/script/dom/node.rs
index a136e564a45..53c3776fab5 100644
--- a/src/components/script/dom/node.rs
+++ b/src/components/script/dom/node.rs
@@ -26,9 +26,10 @@ use dom::processinginstruction::ProcessingInstruction;
 use dom::text::Text;
 use dom::virtualmethods::{VirtualMethods, vtable_for};
 use dom::window::Window;
+use geom::rect::Rect;
 use html::hubbub_html_parser::build_element_from_tag;
-use layout_interface::{LayoutChan, ReapLayoutDataMsg, UntrustedNodeAddress};
-use layout_interface::TrustedNodeAddress;
+use layout_interface::{ContentBoxQuery, ContentBoxResponse, LayoutChan, ReapLayoutDataMsg, TrustedNodeAddress, UntrustedNodeAddress};
+use servo_util::geometry::Au;
 use servo_util::str::{DOMString, null_str_as_empty};
 
 use js::jsapi::{JSContext, JSObject, JSRuntime};
@@ -283,6 +284,8 @@ pub trait NodeHelpers {
 
     fn from_untrusted_node_address(runtime: *JSRuntime, candidate: UntrustedNodeAddress) -> Self;
     fn to_trusted_node_address(&self) -> TrustedNodeAddress;
+
+    fn get_bounding_content_box(&self) -> Rect<Au>;
 }
 
 impl NodeHelpers for JS<Node> {
@@ -565,6 +568,15 @@ impl NodeHelpers for JS<Node> {
     fn to_trusted_node_address(&self) -> TrustedNodeAddress {
         TrustedNodeAddress(self.get() as *Node as *libc::c_void)
     }
+
+    fn get_bounding_content_box(&self) -> Rect<Au> {
+        let window = window_from_node(self);
+        let page = window.get().page();
+        let (chan, port) = channel();
+        let addr = self.to_trusted_node_address();
+        let ContentBoxResponse(rect) = page.query_layout(ContentBoxQuery(addr, chan), port);
+        rect
+    }
 }
 
 //