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https://github.com/servo/servo
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71196c02ea
Add basic `IDL` implementation for `LargestContentfulPaint` Testing: Tested locally Fixes: N/A <img width="800" height="210" alt="Screenshot from 2025-11-06 12-56-37" src="https://github.com/user-attachments/assets/af453b8d-7605-4300-8c87-c2574feff81f" /> --------- Signed-off-by: Shubham Gupta <shubham.gupta@chromium.org>
87 lines
3.0 KiB
Rust
87 lines
3.0 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 https://mozilla.org/MPL/2.0/. */
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use base::cross_process_instant::CrossProcessInstant;
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use dom_struct::dom_struct;
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use script_traits::ProgressiveWebMetricType;
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use time::Duration;
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use super::performanceentry::PerformanceEntry;
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use crate::dom::bindings::codegen::Bindings::LargestContentfulPaintBinding::LargestContentfulPaintMethods;
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use crate::dom::bindings::codegen::Bindings::PerformanceBinding::DOMHighResTimeStamp;
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use crate::dom::bindings::reflector::{DomGlobal, reflect_dom_object};
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use crate::dom::bindings::root::DomRoot;
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use crate::dom::bindings::str::DOMString;
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use crate::dom::element::Element;
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use crate::dom::globalscope::GlobalScope;
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use crate::script_runtime::CanGc;
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#[dom_struct]
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pub(crate) struct LargestContentfulPaint {
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entry: PerformanceEntry,
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#[no_trace]
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load_time: CrossProcessInstant,
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#[no_trace]
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render_time: CrossProcessInstant,
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size: usize,
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element: Option<DomRoot<Element>>,
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}
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impl LargestContentfulPaint {
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pub(crate) fn new_inherited(
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metric_type: ProgressiveWebMetricType,
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render_time: CrossProcessInstant,
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) -> LargestContentfulPaint {
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LargestContentfulPaint {
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entry: PerformanceEntry::new_inherited(
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DOMString::from(""),
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DOMString::from("largest-contentful-paint"),
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Some(render_time),
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Duration::ZERO,
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),
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load_time: CrossProcessInstant::epoch(),
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render_time,
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size: metric_type.area(),
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element: None,
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}
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}
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#[cfg_attr(crown, allow(crown::unrooted_must_root))]
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pub(crate) fn new(
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global: &GlobalScope,
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metric_type: ProgressiveWebMetricType,
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render_time: CrossProcessInstant,
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can_gc: CanGc,
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) -> DomRoot<LargestContentfulPaint> {
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let entry = LargestContentfulPaint::new_inherited(metric_type, render_time);
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reflect_dom_object(Box::new(entry), global, can_gc)
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}
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}
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impl LargestContentfulPaintMethods<crate::DomTypeHolder> for LargestContentfulPaint {
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/// <https://www.w3.org/TR/largest-contentful-paint/#dom-largestcontentfulpaint-loadtime>
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fn LoadTime(&self) -> DOMHighResTimeStamp {
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self.global()
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.performance()
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.to_dom_high_res_time_stamp(self.load_time)
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}
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/// <https://www.w3.org/TR/largest-contentful-paint/#dom-largestcontentfulpaint-rendertime>
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fn RenderTime(&self) -> DOMHighResTimeStamp {
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self.global()
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.performance()
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.to_dom_high_res_time_stamp(self.render_time)
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}
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/// <https://www.w3.org/TR/largest-contentful-paint/#dom-largestcontentfulpaint-size>
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fn Size(&self) -> u32 {
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self.size as u32
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}
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/// <https://www.w3.org/TR/largest-contentful-paint/#dom-largestcontentfulpaint-element>
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fn GetElement(&self) -> Option<DomRoot<Element>> {
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self.element.clone()
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}
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}
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