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Add basic rAF and cAF functions that do nothing with the callbacks

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This commit is contained in:
Manish Goregaokar 2019-07-08 15:31:09 -07:00
parent c7ed4379e8
commit 84014ffc54
1 changed files with 19 additions and 2 deletions
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21
components/script/dom/xrsession.rs
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@ -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