refactor iframe element fields to support sending size to the constellation

1 files changed, 21 insertions, 3 deletions

diff --git a/src/components/script/dom/htmliframeelement.rs b/src/components/script/dom/htmliframeelement.rs
index 98217737a27..8fa028baff2 100644
--- a/src/components/script/dom/htmliframeelement.rs
+++ b/src/components/script/dom/htmliframeelement.rs
@@ -16,10 +16,28 @@ use extra::url::Url;
 pub struct HTMLIFrameElement {
     parent: HTMLElement,
     frame: Option<Url>,
-    subpage_id: Option<SubpageId>,
-    size_future_chan: Option<ChanOne<Size2D<uint>>>,
+    size: Option<IframeSize>,
 }
 
+struct IframeSize {
+    pipeline_id: PipelineId,
+    subpage_id: SubpageId,
+    future_chan: Option<ChanOne<Size2D<uint>>>,
+    constellation_chan: ConstellationChan,
+}
+
+impl IframeSize {
+    pub fn set_rect(&mut self, rect: Rect<f32>) {
+        let future_chan = replace(&mut self.future_chan, None);
+        do future_chan.map_consume |future_chan| {
+            let Size2D { width, height } = rect.size;
+            future_chan.send(Size2D(width as uint, height as uint));
+        };
+        self.constellation_chan.send(FrameRectMsg(self.pipeline_id, self.subpage_id, rect));
+    }
+}
+
+
 impl HTMLIFrameElement {
     pub fn Src(&self) -> DOMString {
         null_string
@@ -123,4 +141,4 @@ impl HTMLIFrameElement {
     pub fn GetSVGDocument(&self) -> Option<AbstractDocument> {
         None
     }
-}
\ No newline at end of file
+}