WebVR API Implementation, r=larsbergstrom

components/script/dom/window.rs

@@ -110,6 +110,7 @@ use timers::{IsInterval, TimerCallback};
 use tinyfiledialogs::{self, MessageBoxIcon};
 use url::Position;
 use webdriver_handlers::jsval_to_webdriver;
+use webvr_traits::WebVRMsg;
 
 /// Current state of the window object
 #[derive(JSTraceable, Copy, Clone, Debug, PartialEq, HeapSizeOf)]
@@ -241,6 +242,10 @@ pub struct Window {
     media_query_lists: WeakMediaQueryListVec,
 
     test_runner: MutNullableJS<TestRunner>,
+
+    /// A handle for communicating messages to the webvr thread, if available.
+    #[ignore_heap_size_of = "channels are hard"]
+    webvr_thread: Option<IpcSender<WebVRMsg>>
 }
 
 impl Window {
@@ -321,6 +326,10 @@ impl Window {
     pub fn current_viewport(&self) -> Rect<Au> {
         self.current_viewport.clone().get()
     }
+
+    pub fn webvr_thread(&self) -> Option<IpcSender<WebVRMsg>> {
+        self.webvr_thread.clone()
+    }
 }
 
 #[cfg(any(target_os = "macos", target_os = "linux", target_os = "windows"))]
@@ -1590,7 +1599,8 @@ impl Window {
                layout_chan: Sender<Msg>,
                id: PipelineId,
                parent_info: Option<(PipelineId, FrameType)>,
-               window_size: Option<WindowSizeData>)
+               window_size: Option<WindowSizeData>,
+               webvr_thread: Option<IpcSender<WebVRMsg>>)
                -> Root<Window> {
         let layout_rpc: Box<LayoutRPC + Send> = {
             let (rpc_send, rpc_recv) = channel();
@@ -1654,6 +1664,7 @@ impl Window {
             scroll_offsets: DOMRefCell::new(HashMap::new()),
             media_query_lists: WeakMediaQueryListVec::new(),
             test_runner: Default::default(),
+            webvr_thread: webvr_thread
         };
 
         unsafe {