forked from mirrors/gecko-dev
74b96ae97e
Source-Repo: https://github.com/servo/servo Source-Revision: e9ad87e27eb30cfacd66b575e104ee2784f95591
53 lines
1.7 KiB
Rust
53 lines
1.7 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 dom::bindings::codegen::Bindings::PerformanceBinding;
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use dom::bindings::codegen::Bindings::PerformanceBinding::PerformanceMethods;
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use dom::bindings::global::Window;
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use dom::bindings::js::{JS, JSRef, Temporary};
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use dom::bindings::utils::{Reflectable, Reflector, reflect_dom_object};
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use dom::performancetiming::{PerformanceTiming, PerformanceTimingHelpers};
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use dom::window::Window;
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use time;
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pub type DOMHighResTimeStamp = f64;
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#[deriving(Encodable)]
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#[must_root]
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pub struct Performance {
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reflector_: Reflector,
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timing: JS<PerformanceTiming>,
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}
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impl Performance {
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fn new_inherited(window: JSRef<Window>) -> Performance {
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Performance {
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reflector_: Reflector::new(),
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timing: JS::from_rooted(PerformanceTiming::new(window)),
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}
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}
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pub fn new(window: JSRef<Window>) -> Temporary<Performance> {
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reflect_dom_object(box Performance::new_inherited(window),
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&Window(window),
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PerformanceBinding::Wrap)
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}
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}
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impl<'a> PerformanceMethods for JSRef<'a, Performance> {
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fn Timing(&self) -> Temporary<PerformanceTiming> {
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Temporary::new(self.timing.clone())
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}
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fn Now(&self) -> DOMHighResTimeStamp {
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let navStart = self.timing.root().NavigationStartPrecise() as f64;
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(time::precise_time_s() - navStart) as DOMHighResTimeStamp
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}
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}
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impl Reflectable for Performance {
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fn reflector<'a>(&'a self) -> &'a Reflector {
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&self.reflector_
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}
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}
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