diff options
Diffstat (limited to 'components/script/dom/xrsession.rs')
| -rw-r--r-- | components/script/dom/xrsession.rs | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/components/script/dom/xrsession.rs b/components/script/dom/xrsession.rs index 06a93060db2..589eda160b5 100644 --- a/components/script/dom/xrsession.rs +++ b/components/script/dom/xrsession.rs @@ -3,6 +3,7 @@ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */ use crate::compartments::InCompartment; +use crate::dom::bindings::cell::DomRefCell; use crate::dom::bindings::codegen::Bindings::XRBinding::XRSessionMode; use crate::dom::bindings::codegen::Bindings::XRReferenceSpaceBinding::XRReferenceSpaceType; use crate::dom::bindings::codegen::Bindings::XRRenderStateBinding::XRRenderStateInit; @@ -38,6 +39,10 @@ pub struct XRSession { frame_requested: Cell<bool>, pending_render_state: MutNullableDom<XRRenderState>, active_render_state: MutDom<XRRenderState>, + + next_raf_id: Cell<i32>, + #[ignore_malloc_size_of = "closures are hard"] + raf_callback_list: DomRefCell<Vec<(i32, Option<Rc<XRFrameRequestCallback>>)>>, } impl XRSession { @@ -52,6 +57,9 @@ impl XRSession { frame_requested: Cell::new(false), pending_render_state: MutNullableDom::new(None), active_render_state: MutDom::new(render_state), + + next_raf_id: Cell::new(0), + raf_callback_list: DomRefCell::new(vec![]), } } @@ -114,12 +122,21 @@ impl XRSessionMethods for XRSession { /// https://immersive-web.github.io/webxr/#dom-xrsession-requestanimationframe fn RequestAnimationFrame(&self, callback: Rc<XRFrameRequestCallback>) -> i32 { - unimplemented!() + let raf_id = self.next_raf_id.get(); + self.next_raf_id.set(raf_id + 1); + self.raf_callback_list + .borrow_mut() + .push((raf_id, Some(callback))); + // XXXManishearth fill in callback request + raf_id } /// https://immersive-web.github.io/webxr/#dom-xrsession-cancelanimationframe fn CancelAnimationFrame(&self, frame: i32) { - unimplemented!() + let mut list = self.raf_callback_list.borrow_mut(); + if let Some(pair) = list.iter_mut().find(|pair| pair.0 == frame) { + pair.1 = None; + } } /// https://immersive-web.github.io/webxr/#dom-xrsession-environmentblendmode |