WebVR API Implementation, r=larsbergstrom

components/script/dom/vrfieldofview.rs

@@ -0,0 +1,58 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use dom::bindings::cell::DOMRefCell;
+use dom::bindings::codegen::Bindings::VRFieldOfViewBinding;
+use dom::bindings::codegen::Bindings::VRFieldOfViewBinding::VRFieldOfViewMethods;
+use dom::bindings::js::Root;
+use dom::bindings::num::Finite;
+use dom::bindings::reflector::{Reflector, reflect_dom_object};
+use dom::globalscope::GlobalScope;
+use webvr_traits::WebVRFieldOfView;
+
+#[dom_struct]
+pub struct VRFieldOfView {
+    reflector_: Reflector,
+    #[ignore_heap_size_of = "Defined in rust-webvr"]
+    fov: DOMRefCell<WebVRFieldOfView>
+}
+
+unsafe_no_jsmanaged_fields!(WebVRFieldOfView);
+
+impl VRFieldOfView {
+    fn new_inherited(fov: WebVRFieldOfView) -> VRFieldOfView {
+        VRFieldOfView {
+            reflector_: Reflector::new(),
+            fov: DOMRefCell::new(fov)
+        }
+    }
+
+    pub fn new(global: &GlobalScope, fov: WebVRFieldOfView) -> Root<VRFieldOfView> {
+        reflect_dom_object(box VRFieldOfView::new_inherited(fov),
+                           global,
+                           VRFieldOfViewBinding::Wrap)
+    }
+}
+
+impl VRFieldOfViewMethods for VRFieldOfView {
+    // https://w3c.github.io/webvr/#interface-interface-vrfieldofview
+    fn UpDegrees(&self) -> Finite<f64> {
+        Finite::wrap(self.fov.borrow().up_degrees)
+    }
+
+    // https://w3c.github.io/webvr/#interface-interface-vrfieldofview
+    fn RightDegrees(&self) -> Finite<f64> {
+        Finite::wrap(self.fov.borrow().right_degrees)
+    }
+
+    // https://w3c.github.io/webvr/#interface-interface-vrfieldofview
+    fn DownDegrees(&self) -> Finite<f64> {
+        Finite::wrap(self.fov.borrow().down_degrees)
+    }
+
+    // https://w3c.github.io/webvr/#interface-interface-vrfieldofview
+    fn LeftDegrees(&self) -> Finite<f64> {
+        Finite::wrap(self.fov.borrow().left_degrees)
+    }
+}