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78 lines
2.8 KiB
Rust
78 lines
2.8 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use core::nonzero::NonZero;
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use dom::bindings::cell::DOMRefCell;
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use dom::bindings::codegen::Bindings::VREyeParametersBinding;
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use dom::bindings::codegen::Bindings::VREyeParametersBinding::VREyeParametersMethods;
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use dom::bindings::js::{JS, Root};
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use dom::bindings::reflector::{Reflector, reflect_dom_object};
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use dom::globalscope::GlobalScope;
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use dom::vrfieldofview::VRFieldOfView;
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use js::jsapi::{Heap, JSContext, JSObject};
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use js::typedarray::Float32Array;
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use std::default::Default;
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use webvr_traits::WebVREyeParameters;
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#[dom_struct]
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pub struct VREyeParameters {
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reflector_: Reflector,
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#[ignore_heap_size_of = "Defined in rust-webvr"]
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parameters: DOMRefCell<WebVREyeParameters>,
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offset: Heap<*mut JSObject>,
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fov: JS<VRFieldOfView>,
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}
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unsafe_no_jsmanaged_fields!(WebVREyeParameters);
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impl VREyeParameters {
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#[allow(unsafe_code)]
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#[allow(unrooted_must_root)]
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fn new_inherited(parameters: WebVREyeParameters, global: &GlobalScope) -> VREyeParameters {
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let fov = VRFieldOfView::new(&global, parameters.field_of_view.clone());
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let result = VREyeParameters {
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reflector_: Reflector::new(),
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parameters: DOMRefCell::new(parameters),
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offset: Heap::default(),
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fov: JS::from_ref(&*fov)
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};
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unsafe {
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let _ = Float32Array::create(global.get_cx(),
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result.parameters.borrow().offset.len() as u32,
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Some(&result.parameters.borrow().offset),
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result.offset.handle_mut());
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}
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result
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}
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pub fn new(parameters: WebVREyeParameters, global: &GlobalScope) -> Root<VREyeParameters> {
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reflect_dom_object(box VREyeParameters::new_inherited(parameters, global),
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global,
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VREyeParametersBinding::Wrap)
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}
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}
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impl VREyeParametersMethods for VREyeParameters {
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#[allow(unsafe_code)]
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// https://w3c.github.io/webvr/#dom-vreyeparameters-offset
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unsafe fn Offset(&self, _cx: *mut JSContext) -> NonZero<*mut JSObject> {
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NonZero::new(self.offset.get())
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}
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// https://w3c.github.io/webvr/#dom-vreyeparameters-fieldofview
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fn FieldOfView(&self) -> Root<VRFieldOfView> {
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Root::from_ref(&*self.fov)
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}
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// https://w3c.github.io/webvr/#dom-vreyeparameters-renderwidth
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fn RenderWidth(&self) -> u32 {
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self.parameters.borrow().render_width
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}
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// https://w3c.github.io/webvr/#dom-vreyeparameters-renderheight
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fn RenderHeight(&self) -> u32 {
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self.parameters.borrow().render_height
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}
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}
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