Introduce GlobalScope::constellation_chan

components/script/dom/bindings/global.rs

@@ -30,7 +30,7 @@ use profile_traits::time;
 use script_runtime::{CommonScriptMsg, EnqueuedPromiseCallback, ScriptChan};
 use script_runtime::{ScriptPort, maybe_take_panic_result};
 use script_thread::{MainThreadScriptChan, RunnableWrapper, ScriptThread};
-use script_traits::{MsDuration, ScriptMsg as ConstellationMsg, TimerEventRequest};
+use script_traits::{MsDuration, TimerEventRequest};
 use std::ffi::CString;
 use std::panic;
 use task_source::file_reading::FileReadingTaskSource;
@@ -89,14 +89,6 @@ impl<'a> GlobalRef<'a> {
         }
     }
 
-    /// Get a `IpcSender` to send messages to the constellation when available.
-    pub fn constellation_chan(&self) -> &IpcSender<ConstellationMsg> {
-        match *self {
-            GlobalRef::Window(window) => window.constellation_chan(),
-            GlobalRef::Worker(worker) => worker.constellation_chan(),
-        }
-    }
-
     /// Get the scheduler channel to request timer events.
     pub fn scheduler_chan(&self) -> &IpcSender<TimerEventRequest> {
         match *self {

components/script/dom/canvasrenderingcontext2d.rs

@@ -122,7 +122,7 @@ impl CanvasRenderingContext2D {
                      size: Size2D<i32>)
                      -> CanvasRenderingContext2D {
         let (sender, receiver) = ipc::channel().unwrap();
-        let constellation_chan = global.constellation_chan();
+        let constellation_chan = global.as_global_scope().constellation_chan();
         constellation_chan.send(ConstellationMsg::CreateCanvasPaintThread(size, sender)).unwrap();
         let ipc_renderer = receiver.recv().unwrap();
         CanvasRenderingContext2D {

components/script/dom/document.rs

@@ -45,6 +45,7 @@ use dom::eventdispatcher::EventStatus;
 use dom::eventtarget::EventTarget;
 use dom::focusevent::FocusEvent;
 use dom::forcetouchevent::ForceTouchEvent;
+use dom::globalscope::GlobalScope;
 use dom::hashchangeevent::HashChangeEvent;
 use dom::htmlanchorelement::HTMLAnchorElement;
 use dom::htmlappletelement::HTMLAppletElement;
@@ -651,7 +652,7 @@ impl Document {
             // https://html.spec.whatwg.org/multipage/#focus-chain
             if focus_type == FocusType::Element {
                 let event = ConstellationMsg::Focus(self.window.pipeline_id());
-                self.window.constellation_chan().send(event).unwrap();
+                self.window.upcast::<GlobalScope>().constellation_chan().send(event).unwrap();
             }
         }
     }
@@ -669,7 +670,8 @@ impl Document {
     /// Sends this document's title to the compositor.
     pub fn send_title_to_compositor(&self) {
         let window = self.window();
-        window.constellation_chan()
+        window.upcast::<GlobalScope>()
+              .constellation_chan()
               .send(ConstellationMsg::SetTitle(window.pipeline_id(),
                                                Some(String::from(self.Title()))))
               .unwrap();
@@ -723,7 +725,7 @@ impl Document {
                 let event = ConstellationMsg::ForwardMouseButtonEvent(pipeline_id,
                                                                       mouse_event_type,
                                                                       button, child_point);
-                self.window.constellation_chan().send(event).unwrap();
+                self.window.upcast::<GlobalScope>().constellation_chan().send(event).unwrap();
             }
             return;
         }
@@ -961,7 +963,7 @@ impl Document {
                     let child_point = client_point - child_origin;
 
                     let event = ConstellationMsg::ForwardMouseMoveEvent(pipeline_id, child_point);
-                    self.window.constellation_chan().send(event).unwrap();
+                    self.window.upcast::<GlobalScope>().constellation_chan().send(event).unwrap();
                 }
                 return;
             }
@@ -1359,7 +1361,7 @@ impl Document {
                 let event = ConstellationMsg::MozBrowserEvent(parent_pipeline_id,
                                                               Some(self.window.pipeline_id()),
                                                               event);
-                self.window.constellation_chan().send(event).unwrap();
+                self.window.upcast::<GlobalScope>().constellation_chan().send(event).unwrap();
             }
         }
     }
@@ -1382,7 +1384,7 @@ impl Document {
             let event = ConstellationMsg::ChangeRunningAnimationsState(
                 self.window.pipeline_id(),
                 AnimationState::AnimationCallbacksPresent);
-            self.window.constellation_chan().send(event).unwrap();
+            self.window.upcast::<GlobalScope>().constellation_chan().send(event).unwrap();
         }
 
         ident
@@ -1420,7 +1422,7 @@ impl Document {
                       &mut animation_frame_list);
             let event = ConstellationMsg::ChangeRunningAnimationsState(self.window.pipeline_id(),
                                                                        AnimationState::NoAnimationCallbacksPresent);
-            self.window.constellation_chan().send(event).unwrap();
+            self.window.upcast::<GlobalScope>().constellation_chan().send(event).unwrap();
         }
 
         self.running_animation_callbacks.set(false);
@@ -1578,7 +1580,7 @@ impl Document {
     pub fn notify_constellation_load(&self) {
         let pipeline_id = self.window.pipeline_id();
         let load_event = ConstellationMsg::LoadComplete(pipeline_id);
-        self.window.constellation_chan().send(load_event).unwrap();
+        self.window.upcast::<GlobalScope>().constellation_chan().send(load_event).unwrap();
     }
 
     pub fn set_current_parser(&self, script: Option<ParserRef>) {

components/script/dom/globalscope.rs

@@ -12,6 +12,7 @@ use dom::eventtarget::EventTarget;
 use ipc_channel::ipc::IpcSender;
 use js::jsapi::{JS_GetContext, JS_GetObjectRuntime, JSContext};
 use profile_traits::{mem, time};
+use script_traits::ScriptMsg as ConstellationMsg;
 use std::cell::Cell;
 use std::collections::HashMap;
 use std::collections::hash_map::Entry;
@@ -41,13 +42,18 @@ pub struct GlobalScope {
     /// For sending messages to the time profiler.
     #[ignore_heap_size_of = "channels are hard"]
     time_profiler_chan: time::ProfilerChan,
+
+    /// A handle for communicating messages to the constellation thread.
+    #[ignore_heap_size_of = "channels are hard"]
+    constellation_chan: IpcSender<ConstellationMsg>,
 }
 
 impl GlobalScope {
     pub fn new_inherited(
             devtools_chan: Option<IpcSender<ScriptToDevtoolsControlMsg>>,
             mem_profiler_chan: mem::ProfilerChan,
-            time_profiler_chan: time::ProfilerChan)
+            time_profiler_chan: time::ProfilerChan,
+            constellation_chan: IpcSender<ConstellationMsg>)
             -> Self {
         GlobalScope {
             eventtarget: EventTarget::new_inherited(),
@@ -58,6 +64,7 @@ impl GlobalScope {
             devtools_chan: devtools_chan,
             mem_profiler_chan: mem_profiler_chan,
             time_profiler_chan: time_profiler_chan,
+            constellation_chan: constellation_chan,
         }
     }
 
@@ -128,6 +135,11 @@ impl GlobalScope {
     pub fn time_profiler_chan(&self) -> &time::ProfilerChan {
         &self.time_profiler_chan
     }
+
+    /// Get a sender to the constellation thread.
+    pub fn constellation_chan(&self) -> &IpcSender<ConstellationMsg> {
+        &self.constellation_chan
+    }
 }
 
 fn timestamp_in_ms(time: Timespec) -> u64 {

components/script/dom/history.rs

@@ -6,8 +6,10 @@ use dom::bindings::codegen::Bindings::HistoryBinding;
 use dom::bindings::codegen::Bindings::HistoryBinding::HistoryMethods;
 use dom::bindings::codegen::Bindings::LocationBinding::LocationMethods;
 use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
+use dom::bindings::inheritance::Castable;
 use dom::bindings::js::{JS, Root};
 use dom::bindings::reflector::{Reflector, reflect_dom_object};
+use dom::globalscope::GlobalScope;
 use dom::window::Window;
 use ipc_channel::ipc;
 use msg::constellation_msg::TraversalDirection;
@@ -39,7 +41,7 @@ impl History {
     fn traverse_history(&self, direction: TraversalDirection) {
         let pipeline = self.window.pipeline_id();
         let msg = ConstellationMsg::TraverseHistory(Some(pipeline), direction);
-        let _ = self.window.constellation_chan().send(msg);
+        let _ = self.window.upcast::<GlobalScope>().constellation_chan().send(msg);
     }
 }
 
@@ -49,7 +51,7 @@ impl HistoryMethods for History {
         let pipeline = self.window.pipeline_id();
         let (sender, recv) = ipc::channel().expect("Failed to create channel to send jsh length.");
         let msg = ConstellationMsg::JointSessionHistoryLength(pipeline, sender);
-        let _ = self.window.constellation_chan().send(msg);
+        let _ = self.window.upcast::<GlobalScope>().constellation_chan().send(msg);
         recv.recv().unwrap()
     }
 

components/script/dom/htmlbodyelement.rs

@@ -13,6 +13,7 @@ use dom::bindings::str::DOMString;
 use dom::document::Document;
 use dom::element::{AttributeMutation, Element, RawLayoutElementHelpers};
 use dom::eventtarget::EventTarget;
+use dom::globalscope::GlobalScope;
 use dom::htmlelement::HTMLElement;
 use dom::node::{Node, document_from_node, window_from_node};
 use dom::virtualmethods::VirtualMethods;
@@ -137,7 +138,7 @@ impl VirtualMethods for HTMLBodyElement {
         let document = window.Document();
         document.set_reflow_timeout(time::precise_time_ns() + INITIAL_REFLOW_DELAY);
         let event = ConstellationMsg::HeadParsed;
-        window.constellation_chan().send(event).unwrap();
+        window.upcast::<GlobalScope>().constellation_chan().send(event).unwrap();
     }
 
     fn parse_plain_attribute(&self, name: &Atom, value: DOMString) -> AttrValue {

components/script/dom/htmliframeelement.rs

@@ -29,6 +29,7 @@ use dom::domtokenlist::DOMTokenList;
 use dom::element::{AttributeMutation, Element, RawLayoutElementHelpers};
 use dom::event::Event;
 use dom::eventtarget::EventTarget;
+use dom::globalscope::GlobalScope;
 use dom::htmlelement::HTMLElement;
 use dom::node::{Node, NodeDamage, UnbindContext, document_from_node, window_from_node};
 use dom::urlhelper::UrlHelper;
@@ -135,7 +136,8 @@ impl HTMLIFrameElement {
             frame_type: frame_type,
             replace: replace,
         };
-        window.constellation_chan()
+        window.upcast::<GlobalScope>()
+              .constellation_chan()
               .send(ConstellationMsg::ScriptLoadedURLInIFrame(load_info))
               .unwrap();
 
@@ -216,7 +218,7 @@ impl HTMLIFrameElement {
             let window = window_from_node(self);
             let window = window.r();
             let msg = ConstellationMsg::SetVisible(pipeline_id, visible);
-            window.constellation_chan().send(msg).unwrap();
+            window.upcast::<GlobalScope>().constellation_chan().send(msg).unwrap();
         }
     }
 
@@ -407,7 +409,7 @@ pub fn Navigate(iframe: &HTMLIFrameElement, direction: TraversalDirection) -> Er
         if iframe.upcast::<Node>().is_in_doc() {
             let window = window_from_node(iframe);
             let msg = ConstellationMsg::TraverseHistory(iframe.pipeline_id(), direction);
-            window.constellation_chan().send(msg).unwrap();
+            window.upcast::<GlobalScope>().constellation_chan().send(msg).unwrap();
         }
 
         Ok(())
@@ -641,7 +643,7 @@ impl VirtualMethods for HTMLIFrameElement {
                 (Some(sender), Some(receiver))
             };
             let msg = ConstellationMsg::RemoveIFrame(pipeline_id, sender);
-            window.constellation_chan().send(msg).unwrap();
+            window.upcast::<GlobalScope>().constellation_chan().send(msg).unwrap();
             if let Some(receiver) = receiver {
                 receiver.recv().unwrap()
             }

components/script/dom/htmlinputelement.rs

@@ -21,6 +21,7 @@ use dom::event::{Event, EventBubbles, EventCancelable};
 use dom::eventtarget::EventTarget;
 use dom::file::File;
 use dom::filelist::FileList;
+use dom::globalscope::GlobalScope;
 use dom::htmlelement::HTMLElement;
 use dom::htmlfieldsetelement::HTMLFieldSetElement;
 use dom::htmlformelement::{FormControl, FormDatum, FormDatumValue, FormSubmitter, HTMLFormElement};
@@ -128,7 +129,7 @@ static DEFAULT_MIN_LENGTH: i32 = -1;
 
 impl HTMLInputElement {
     fn new_inherited(local_name: Atom, prefix: Option<DOMString>, document: &Document) -> HTMLInputElement {
-        let chan = document.window().constellation_chan().clone();
+        let chan = document.window().upcast::<GlobalScope>().constellation_chan().clone();
         HTMLInputElement {
             htmlelement:
                 HTMLElement::new_inherited_with_state(IN_ENABLED_STATE | IN_READ_WRITE_STATE,

components/script/dom/htmllinkelement.rs

@@ -18,6 +18,7 @@ use dom::document::Document;
 use dom::domtokenlist::DOMTokenList;
 use dom::element::{AttributeMutation, Element, ElementCreator};
 use dom::eventtarget::EventTarget;
+use dom::globalscope::GlobalScope;
 use dom::htmlelement::HTMLElement;
 use dom::node::{Node, document_from_node, window_from_node};
 use dom::virtualmethods::VirtualMethods;
@@ -280,7 +281,7 @@ impl HTMLLinkElement {
         match document.base_url().join(href) {
             Ok(url) => {
                 let event = ConstellationMsg::NewFavicon(url.clone());
-                document.window().constellation_chan().send(event).unwrap();
+                document.window().upcast::<GlobalScope>().constellation_chan().send(event).unwrap();
 
                 let mozbrowser_event = match *sizes {
                     Some(ref sizes) => MozBrowserEvent::IconChange(rel.to_owned(), url.to_string(), sizes.to_owned()),

components/script/dom/htmltextareaelement.rs

@@ -15,6 +15,7 @@ use dom::document::Document;
 use dom::element::{AttributeMutation, Element};
 use dom::element::RawLayoutElementHelpers;
 use dom::event::{Event, EventBubbles, EventCancelable};
+use dom::globalscope::GlobalScope;
 use dom::htmlelement::HTMLElement;
 use dom::htmlfieldsetelement::HTMLFieldSetElement;
 use dom::htmlformelement::{FormControl, HTMLFormElement};
@@ -99,7 +100,7 @@ impl HTMLTextAreaElement {
     fn new_inherited(local_name: Atom,
                      prefix: Option<DOMString>,
                      document: &Document) -> HTMLTextAreaElement {
-        let chan = document.window().constellation_chan().clone();
+        let chan = document.window().upcast::<GlobalScope>().constellation_chan().clone();
         HTMLTextAreaElement {
             htmlelement:
                 HTMLElement::new_inherited_with_state(IN_ENABLED_STATE | IN_READ_WRITE_STATE,

components/script/dom/serviceworker.rs

@@ -89,8 +89,11 @@ impl ServiceWorkerMethods for ServiceWorker {
         // Step 7
         let data = try!(StructuredCloneData::write(cx, message));
         let msg_vec = DOMMessage(data.move_to_arraybuffer());
-        let _ = self.global().r().constellation_chan().send(ScriptMsg::ForwardDOMMessage(msg_vec,
-                                                                                         self.scope_url.clone()));
+        let _ =
+            self.global().r()
+                .as_global_scope()
+                .constellation_chan()
+                .send(ScriptMsg::ForwardDOMMessage(msg_vec, self.scope_url.clone()));
         Ok(())
     }
 

components/script/dom/webglrenderingcontext.rs

@@ -133,7 +133,7 @@ impl WebGLRenderingContext {
                      attrs: GLContextAttributes)
                      -> Result<WebGLRenderingContext, String> {
         let (sender, receiver) = ipc::channel().unwrap();
-        let constellation_chan = global.constellation_chan();
+        let constellation_chan = global.as_global_scope().constellation_chan();
         constellation_chan.send(ConstellationMsg::CreateWebGLPaintThread(size, attrs, sender))
                           .unwrap();
         let result = receiver.recv().unwrap();

components/script/dom/window.rs

@@ -215,10 +215,6 @@ pub struct Window {
     #[ignore_heap_size_of = "channels are hard"]
     bluetooth_thread: IpcSender<BluetoothMethodMsg>,
 
-    /// A handle for communicating messages to the constellation thread.
-    #[ignore_heap_size_of = "channels are hard"]
-    constellation_chan: IpcSender<ConstellationMsg>,
-
     /// Pending scroll to fragment event, if any
     fragment_name: DOMRefCell<Option<String>>,
 
@@ -436,7 +432,10 @@ impl WindowMethods for Window {
         }
 
         let (sender, receiver) = ipc::channel().unwrap();
-        self.constellation_chan().send(ConstellationMsg::Alert(self.pipeline_id(), s.to_string(), sender)).unwrap();
+        self.upcast::<GlobalScope>()
+            .constellation_chan()
+            .send(ConstellationMsg::Alert(self.pipeline_id(), s.to_string(), sender))
+            .unwrap();
 
         let should_display_alert_dialog = receiver.recv().unwrap();
         if should_display_alert_dialog {
@@ -797,7 +796,10 @@ impl WindowMethods for Window {
         // Step 1
         //TODO determine if this operation is allowed
         let size = Size2D::new(x.to_u32().unwrap_or(1), y.to_u32().unwrap_or(1));
-        self.constellation_chan.send(ConstellationMsg::ResizeTo(size)).unwrap()
+        self.upcast::<GlobalScope>()
+            .constellation_chan()
+            .send(ConstellationMsg::ResizeTo(size))
+            .unwrap()
     }
 
     // https://drafts.csswg.org/cssom-view/#dom-window-resizeby
@@ -812,7 +814,10 @@ impl WindowMethods for Window {
         // Step 1
         //TODO determine if this operation is allowed
         let point = Point2D::new(x, y);
-        self.constellation_chan.send(ConstellationMsg::MoveTo(point)).unwrap()
+        self.upcast::<GlobalScope>()
+            .constellation_chan()
+            .send(ConstellationMsg::MoveTo(point))
+            .unwrap()
     }
 
     // https://drafts.csswg.org/cssom-view/#dom-window-moveby
@@ -974,7 +979,7 @@ impl Window {
         self.update_viewport_for_scroll(x, y);
 
         let message = ConstellationMsg::ScrollFragmentPoint(self.pipeline_id(), layer_id, point, smooth);
-        self.constellation_chan.send(message).unwrap();
+        self.upcast::<GlobalScope>().constellation_chan().send(message).unwrap();
     }
 
     pub fn update_viewport_for_scroll(&self, x: f32, y: f32) {
@@ -985,7 +990,10 @@ impl Window {
 
     pub fn client_window(&self) -> (Size2D<u32>, Point2D<i32>) {
         let (send, recv) = ipc::channel::<(Size2D<u32>, Point2D<i32>)>().unwrap();
-        self.constellation_chan.send(ConstellationMsg::GetClientWindow(send)).unwrap();
+        self.upcast::<GlobalScope>()
+            .constellation_chan()
+            .send(ConstellationMsg::GetClientWindow(send))
+            .unwrap();
         recv.recv().unwrap_or((Size2D::zero(), Point2D::zero()))
     }
 
@@ -1149,7 +1157,7 @@ impl Window {
 
             if ready_state == DocumentReadyState::Complete && !reftest_wait {
                 let event = ConstellationMsg::SetDocumentState(self.id, DocumentState::Idle);
-                self.constellation_chan().send(event).unwrap();
+                self.upcast::<GlobalScope>().constellation_chan().send(event).unwrap();
             }
         }
 
@@ -1261,7 +1269,10 @@ impl Window {
         let pipeline_id = self.id;
 
         let (send, recv) = ipc::channel::<Point2D<f32>>().unwrap();
-        self.constellation_chan.send(ConstellationMsg::GetScrollOffset(pipeline_id, layer_id, send)).unwrap();
+        self.upcast::<GlobalScope>()
+            .constellation_chan()
+            .send(ConstellationMsg::GetScrollOffset(pipeline_id, layer_id, send))
+            .unwrap();
         recv.recv().unwrap_or(Point2D::zero())
     }
 
@@ -1376,10 +1387,6 @@ impl Window {
         &self.layout_chan
     }
 
-    pub fn constellation_chan(&self) -> &IpcSender<ConstellationMsg> {
-        &self.constellation_chan
-    }
-
     pub fn scheduler_chan(&self) -> &IpcSender<TimerEventRequest> {
         &self.scheduler_chan
     }
@@ -1586,7 +1593,8 @@ impl Window {
         let current_time = time::get_time();
         let win = box Window {
             globalscope:
-                GlobalScope::new_inherited(devtools_chan, mem_profiler_chan, time_profiler_chan),
+                GlobalScope::new_inherited(
+                    devtools_chan, mem_profiler_chan, time_profiler_chan, constellation_chan),
             script_chan: script_chan,
             dom_manipulation_task_source: dom_task_source,
             user_interaction_task_source: user_task_source,
@@ -1613,7 +1621,6 @@ impl Window {
             js_runtime: DOMRefCell::new(Some(runtime.clone())),
             resource_threads: resource_threads,
             bluetooth_thread: bluetooth_thread,
-            constellation_chan: constellation_chan,
             page_clip_rect: Cell::new(max_rect()),
             fragment_name: DOMRefCell::new(None),
             resize_event: Cell::new(None),

components/script/dom/workerglobalscope.rs

@@ -39,7 +39,6 @@ use script_runtime::{CommonScriptMsg, ScriptChan, ScriptPort, maybe_take_panic_r
 use script_runtime::{ScriptThreadEventCategory, PromiseJobQueue, EnqueuedPromiseCallback};
 use script_thread::{Runnable, RunnableWrapper};
 use script_traits::{MsDuration, TimerEvent, TimerEventId, TimerEventRequest, TimerSource};
-use script_traits::ScriptMsg as ConstellationMsg;
 use script_traits::WorkerGlobalScopeInit;
 use std::cell::Cell;
 use std::default::Default;
@@ -59,13 +58,14 @@ pub fn prepare_workerscope_init(global: GlobalRef,
     let to_devtools_sender = global_scope.devtools_chan().cloned();
     let mem_profiler_chan = global_scope.mem_profiler_chan().clone();
     let time_profiler_chan = global_scope.time_profiler_chan().clone();
+    let constellation_chan = global_scope.constellation_chan().clone();
     let init = WorkerGlobalScopeInit {
             resource_threads: global.resource_threads(),
             mem_profiler_chan: mem_profiler_chan,
             to_devtools_sender: to_devtools_sender,
             time_profiler_chan: time_profiler_chan,
             from_devtools_sender: devtools_sender,
-            constellation_chan: global.constellation_chan().clone(),
+            constellation_chan: constellation_chan,
             scheduler_chan: global.scheduler_chan().clone(),
             worker_id: worker_id,
             pipeline_id: global.pipeline_id(),
@@ -102,9 +102,6 @@ pub struct WorkerGlobalScope {
     /// `IpcSender` doesn't exist
     from_devtools_receiver: Receiver<DevtoolScriptControlMsg>,
 
-    #[ignore_heap_size_of = "Defined in std"]
-    constellation_chan: IpcSender<ConstellationMsg>,
-
     #[ignore_heap_size_of = "Defined in std"]
     scheduler_chan: IpcSender<TimerEventRequest>,
 
@@ -125,7 +122,10 @@ impl WorkerGlobalScope {
         WorkerGlobalScope {
             globalscope:
                 GlobalScope::new_inherited(
-                    init.to_devtools_sender, init.mem_profiler_chan, init.time_profiler_chan),
+                    init.to_devtools_sender,
+                    init.mem_profiler_chan,
+                    init.time_profiler_chan,
+                    init.constellation_chan),
             worker_id: init.worker_id,
             pipeline_id: init.pipeline_id,
             worker_url: worker_url,
@@ -137,7 +137,6 @@ impl WorkerGlobalScope {
             timers: OneshotTimers::new(timer_event_chan, init.scheduler_chan.clone()),
             from_devtools_sender: init.from_devtools_sender,
             from_devtools_receiver: from_devtools_receiver,
-            constellation_chan: init.constellation_chan,
             scheduler_chan: init.scheduler_chan,
             promise_job_queue: PromiseJobQueue::new(),
             in_error_reporting_mode: Default::default(),
@@ -152,10 +151,6 @@ impl WorkerGlobalScope {
         &self.from_devtools_receiver
     }
 
-    pub fn constellation_chan(&self) -> &IpcSender<ConstellationMsg> {
-        &self.constellation_chan
-    }
-
     pub fn scheduler_chan(&self) -> &IpcSender<TimerEventRequest> {
         &self.scheduler_chan
     }