auto merge of #2434 : Ms2ger/servo/contentWindow, r=jdm

src/components/main/constellation.rs

@@ -573,7 +573,7 @@ impl Constellation {
             debug!("Constellation: loading same-origin iframe at {:?}", url);
             // Reuse the script task if same-origin url's
             Pipeline::with_script(next_pipeline_id,
-                                  Some(subpage_id),
+                                  subpage_id,
                                   self.chan.clone(),
                                   self.compositor_chan.clone(),
                                   self.image_cache_task.clone(),

src/components/main/pipeline.rs

@@ -45,7 +45,7 @@ impl Pipeline {
     /// Starts a render task, layout task, and script task. Returns the channels wrapped in a
     /// struct.
     pub fn with_script(id: PipelineId,
-                       subpage_id: Option<SubpageId>,
+                       subpage_id: SubpageId,
                        constellation_chan: ConstellationChan,
                        compositor_chan: CompositorChan,
                        image_cache_task: ImageCacheTask,
@@ -61,7 +61,7 @@ impl Pipeline {
 
         let failure = Failure {
             pipeline_id: id,
-            subpage_id: subpage_id,
+            subpage_id: Some(subpage_id),
         };
 
         RenderTask::create(id,
@@ -86,8 +86,9 @@ impl Pipeline {
                            layout_shutdown_chan);
 
         let new_layout_info = NewLayoutInfo {
-            old_id: script_pipeline.id.clone(),
+            old_pipeline_id: script_pipeline.id.clone(),
-            new_id: id,
+            new_pipeline_id: id,
+            subpage_id: subpage_id,
             layout_chan: layout_chan.clone(),
         };
 
@@ -95,7 +96,7 @@ impl Pipeline {
         chan.send(AttachLayoutMsg(new_layout_info));
 
         Pipeline::new(id,
-                      subpage_id,
+                      Some(subpage_id),
                       script_pipeline.script_chan.clone(),
                       layout_chan,
                       render_chan,

src/components/script/dom/bindings/utils.rs

@@ -37,6 +37,7 @@ use js::jsapi::{JSContext, JSObject, JSBool, jsid, JSClass, JSNative};
 use js::jsapi::{JSFunctionSpec, JSPropertySpec};
 use js::jsapi::{JS_NewGlobalObject, JS_InitStandardClasses};
 use js::jsapi::{JSString};
+use js::jsfriendapi::JS_ObjectToOuterObject;
 use js::jsfriendapi::bindgen::JS_NewObjectWithUniqueType;
 use js::jsval::JSVal;
 use js::jsval::{PrivateValue, ObjectValue, NullValue, ObjectOrNullValue};
@@ -594,19 +595,14 @@ pub fn CreateDOMGlobal(cx: *JSContext, class: *JSClass) -> *JSObject {
 
 pub extern fn wrap_for_same_compartment(cx: *JSContext, obj: *JSObject) -> *JSObject {
     unsafe {
-        let clasp = JS_GetClass(obj);
+        JS_ObjectToOuterObject(cx as *mut _, obj as *mut _) as *_
-        let clasp = clasp as *js::Class;
-        match (*clasp).ext.outerObject {
-            Some(outerize) => {
-                debug!("found an outerize hook");
-                let obj = JSHandleObject { unnamed: &obj };
-                outerize(cx, obj)
-            }
-            None => {
-                debug!("no outerize hook found");
-                obj
-            }
     }
+}
+
+pub extern fn pre_wrap(cx: *mut JSContext, _scope: *mut JSObject,
+                       obj: *mut JSObject, _flags: c_uint) -> *mut JSObject {
+    unsafe {
+        JS_ObjectToOuterObject(cx, obj)
     }
 }
 

src/components/script/dom/htmliframeelement.rs

@@ -14,6 +14,7 @@ use dom::htmlelement::HTMLElement;
 use dom::node::{Node, ElementNodeTypeId, window_from_node};
 use dom::virtualmethods::VirtualMethods;
 use dom::window::Window;
+use script_task::IterablePage;
 use servo_msg::constellation_msg::{PipelineId, SubpageId};
 use servo_msg::constellation_msg::{IFrameSandboxed, IFrameUnsandboxed};
 use servo_msg::constellation_msg::{ConstellationChan, LoadIframeUrlMsg};
@@ -184,7 +185,18 @@ impl<'a> HTMLIFrameElementMethods for JSRef<'a, HTMLIFrameElement> {
     }
 
     fn GetContentWindow(&self) -> Option<Temporary<Window>> {
-        None
+        self.size.and_then(|size| {
+            let window = window_from_node(self).root();
+            let children = &*window.deref().page.children.deref().borrow();
+            let child = children.iter().find(|child| {
+                child.subpage_id.unwrap() == size.subpage_id
+            });
+            child.and_then(|page| {
+                page.frame.deref().borrow().as_ref().map(|frame| {
+                    Temporary::new(frame.window.clone())
+                })
+            })
+        })
     }
 
     fn Align(&self) -> DOMString {

src/components/script/script_task.rs

@@ -11,7 +11,8 @@ use dom::bindings::codegen::InheritTypes::{EventTargetCast, NodeCast, ElementCas
 use dom::bindings::js::{JS, JSRef, RootCollection, Temporary, OptionalSettable};
 use dom::bindings::js::OptionalRootable;
 use dom::bindings::trace::{Traceable, Untraceable};
-use dom::bindings::utils::{Reflectable, GlobalStaticData, wrap_for_same_compartment};
+use dom::bindings::utils::{Reflectable, GlobalStaticData};
+use dom::bindings::utils::{wrap_for_same_compartment, pre_wrap};
 use dom::document::{Document, HTMLDocument, DocumentMethods, DocumentHelpers};
 use dom::element::{Element, AttributeHandlers};
 use dom::event::{Event_, ResizeEvent, ReflowEvent, ClickEvent, MouseDownEvent, MouseMoveEvent, MouseUpEvent};
@@ -91,8 +92,9 @@ pub enum ScriptMsg {
 }
 
 pub struct NewLayoutInfo {
-    pub old_id: PipelineId,
+    pub old_pipeline_id: PipelineId,
-    pub new_id: PipelineId,
+    pub new_pipeline_id: PipelineId,
+    pub subpage_id: SubpageId,
     pub layout_chan: LayoutChan,
 }
 
@@ -120,6 +122,9 @@ pub struct Page {
     /// Pipeline id associated with this page.
     pub id: PipelineId,
 
+    /// Subpage id associated with this page, if any.
+    pub subpage_id: Option<SubpageId>,
+
     /// Unique id for last reflow request; used for confirming completion reply.
     pub last_reflow_id: Traceable<Cell<uint>>,
 
@@ -168,7 +173,7 @@ pub struct PageIterator {
     stack: Vec<Rc<Page>>,
 }
 
-trait IterablePage {
+pub trait IterablePage {
     fn iter(&self) -> PageIterator;
     fn find(&self, id: PipelineId) -> Option<Rc<Page>>;
 }
@@ -190,7 +195,8 @@ impl IterablePage for Rc<Page> {
 }
 
 impl Page {
-    fn new(id: PipelineId, layout_chan: LayoutChan,
+    fn new(id: PipelineId, subpage_id: Option<SubpageId>,
+           layout_chan: LayoutChan,
            window_size: Size2D<uint>, resource_task: ResourceTask,
            constellation_chan: ConstellationChan,
            js_context: Rc<Cx>) -> Page {
@@ -200,6 +206,7 @@ impl Page {
         };
         Page {
             id: id,
+            subpage_id: subpage_id,
             frame: Traceable::new(RefCell::new(None)),
             layout_chan: Untraceable::new(layout_chan),
             layout_join_port: Untraceable::new(RefCell::new(None)),
@@ -606,7 +613,7 @@ impl ScriptTask {
                window_size: Size2D<uint>)
                -> Rc<ScriptTask> {
         let (js_runtime, js_context) = ScriptTask::new_rt_and_cx();
-        let page = Page::new(id, layout_chan, window_size,
+        let page = Page::new(id, None, layout_chan, window_size,
                              resource_task.clone(),
                              constellation_chan.clone(),
                              js_context.clone());
@@ -641,11 +648,11 @@ impl ScriptTask {
             let callback = JS_SetWrapObjectCallbacks((*js_runtime).ptr,
                                                      ptr::null(),
                                                      wrap_for_same_compartment,
-                                                     ptr::null());
+                                                     None);
             JS_SetWrapObjectCallbacks((*js_runtime).ptr,
                                       callback,
                                       wrap_for_same_compartment,
-                                      ptr::null());
+                                      Some(pre_wrap));
         }
 
         let js_context = js_runtime.cx();
@@ -782,18 +789,19 @@ impl ScriptTask {
     fn handle_new_layout(&self, new_layout_info: NewLayoutInfo) {
         debug!("Script: new layout: {:?}", new_layout_info);
         let NewLayoutInfo {
-            old_id,
+            old_pipeline_id,
-            new_id,
+            new_pipeline_id,
+            subpage_id,
             layout_chan
         } = new_layout_info;
 
         let mut page = self.page.borrow_mut();
-        let parent_page = page.find(old_id).expect("ScriptTask: received a layout
+        let parent_page = page.find(old_pipeline_id).expect("ScriptTask: received a layout
             whose parent has a PipelineId which does not correspond to a pipeline in the script
             task's page tree. This is a bug.");
         let new_page = {
             let window_size = parent_page.window_size.deref().get();
-            Page::new(new_id, layout_chan, window_size,
+            Page::new(new_pipeline_id, Some(subpage_id), layout_chan, window_size,
                       parent_page.resource_task.deref().clone(),
                       self.constellation_chan.clone(),
                       self.js_context.borrow().get_ref().clone())

src/support/spidermonkey/rust-mozjs

@@ -1 +1 @@
-Subproject commit 07acb44df9b3f638743931f392c0ebe7040a7bab
+Subproject commit ff296137c652248138eb7f5a377d8daac52ed233