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script: Stop using legacy time for Document::reflow_timeout (#33258)

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Use `std::time` from the Rust standard library instead. This is one step
toward removing our use of the legacy `time` crate which has security
issues.

Signed-off-by: Martin Robinson <mrobinson@igalia.com>
This commit is contained in:
Martin Robinson 2024-08-30 10:00:34 +02:00 • committed by GitHub
parent cd8b803368
commit 83a40c5180
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2 changed files with 27 additions and 21 deletions
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39
components/script/dom/document.rs
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@ -327,7 +327,7 @@ pub struct Document {
/// The current active HTML parser, to allow resuming after interruptions.
current_parser: MutNullableDom<ServoParser>,
/// When we should kick off a reflow. This happens during parsing.
reflow_timeout: Cell<Option<u64>>,
reflow_timeout: Cell<Option<Instant>>,
/// The cached first `base` element with an `href` attribute.
base_element: MutNullableDom<HTMLBaseElement>,
/// This field is set to the document itself for inert documents.
@ -898,27 +898,32 @@ impl Document {
/// Reflows and disarms the timer if the reflow timer has expired.
pub fn reflow_if_reflow_timer_expired(&self) {
if let Some(reflow_timeout) = self.reflow_timeout.get() {
if time::precise_time_ns() < reflow_timeout {
return;
}
let Some(reflow_timeout) = self.reflow_timeout.get() else {
return;
};
self.reflow_timeout.set(None);
self.window
.reflow(ReflowGoal::Full, ReflowReason::RefreshTick);
if Instant::now() < reflow_timeout {
return;
}
self.reflow_timeout.set(None);
self.window
.reflow(ReflowGoal::Full, ReflowReason::RefreshTick);
}
/// Schedules a reflow to be kicked off at the given `timeout` (in `time::precise_time_ns()`
/// units). This reflow happens even if the event loop is busy. This is used to display initial
/// page content during parsing.
pub fn set_reflow_timeout(&self, timeout: u64) {
if let Some(existing_timeout) = self.reflow_timeout.get() {
if existing_timeout < timeout {
return;
}
/// Schedules a reflow to be kicked off at the given [`Duration`] in the future. This reflow
/// happens even if the event loop is busy. This is used to display initial page content during
/// parsing.
pub fn set_reflow_timeout(&self, duration: Duration) {
let new_reflow_time = Instant::now() + duration;
// Do not schedule a timeout that is longer than the one that is currently queued.
if matches!(self.reflow_timeout.get(), Some(existing_timeout) if existing_timeout < new_reflow_time)
{
return;
}
self.reflow_timeout.set(Some(timeout))
self.reflow_timeout.set(Some(new_reflow_time))
}
/// Remove any existing association between the provided id and any elements in this document.