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Add paint metrics to Performance Timeline API

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This commit is contained in:
Fernando Jiménez Moreno 2017-08-14 18:41:32 +02:00
parent 1c9c0334ba
commit 2d0037f195
15 changed files with 152 additions and 20 deletions
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14
components/script_traits/lib.rs
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@ -220,6 +220,15 @@ pub enum DocumentActivity {
FullyActive,
}
/// The type of recorded paint metric.
#[derive(Deserialize, Serialize)]
pub enum PaintMetricType {
/// Time to First Paint type.
FirstPaint,
/// Time to First Contentful Paint type.
FirstContentfulPaint,
}
/// The reason why the pipeline id of an iframe is being updated.
#[derive(Copy, Clone, PartialEq, Eq, Hash, HeapSizeOf, Debug, Deserialize, Serialize)]
pub enum UpdatePipelineIdReason {
@ -300,7 +309,9 @@ pub enum ConstellationControlMsg {
/// Reload the given page.
Reload(PipelineId),
/// Notifies the script thread of WebVR events.
WebVREvents(PipelineId, Vec<WebVREvent>)
WebVREvents(PipelineId, Vec<WebVREvent>),
/// Notifies the script thread about a new recorded paint metric.
PaintMetric(PipelineId, PaintMetricType, f64),
}
impl fmt::Debug for ConstellationControlMsg {
@ -334,6 +345,7 @@ impl fmt::Debug for ConstellationControlMsg {
ReportCSSError(..) => "ReportCSSError",
Reload(..) => "Reload",
WebVREvents(..) => "WebVREvents",
PaintMetric(..) => "PaintMetric",
};
write!(formatter, "ConstellationMsg::{}", variant)
}