VRDisplay DOM struct example

VRDisplay.rs

#[dom_struct]
pub struct VRDisplay {
    eventtarget: EventTarget,
    #[ignore_heap_size_of = "Defined in rust-webvr"]
    display: DOMRefCell<WebVRDisplayData>,
    depth_near: Cell<f64>,
    depth_far: Cell<f64>,
    presenting: Cell<bool>,
    left_eye_params: MutHeap<JS<VREyeParameters>>,
    right_eye_params: MutHeap<JS<VREyeParameters>>,
    capabilities: MutHeap<JS<VRDisplayCapabilities>>,
    stage_params: MutNullableHeap<JS<VRStageParameters>>,
    #[ignore_heap_size_of = "Defined in rust-webvr"]
    frame_data: DOMRefCell<WebVRFrameData>,
    #[ignore_heap_size_of = "Defined in rust-webvr"]
    layer: DOMRefCell<WebVRLayer>,
    layer_ctx: MutNullableHeap<JS<WebGLRenderingContext>>,
    next_raf_id: Cell<u32>,
    /// List of request animation frame callbacks
    #[ignore_heap_size_of = "closures are hard"]
    raf_callback_list: DOMRefCell<Vec<(u32, Option<Box<FnBox(f64)>>)>>,
    // Compositor VRFrameData synchonization
    frame_data_status: Cell<VRFrameDataStatus>,
    #[ignore_heap_size_of = "channels are hard"]
    frame_data_receiver: DOMRefCell<Option<IpcReceiver<Result<Vec<u8>,()>>>>
}