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Use strum to iterate through enum variants and get their names (#35933)

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`strum` allows us to avoid manually listing enum variant names and also
to get their names as static strings. We cannot use this for all cases
due to https://github.com/Peternator7/strum/issues/152, but we can
still use it to remove a lot of code.

Signed-off-by: Martin Robinson <mrobinson@igalia.com>
This commit is contained in:
Martin Robinson 2025-03-13 13:00:31 +01:00 • committed by GitHub
parent 959720db0a
commit 294a649a6c
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17 changed files with 51 additions and 285 deletions
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43
components/shared/script/lib.rs
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@ -50,6 +50,7 @@ use pixels::PixelFormat;
use profile_traits::{mem, time as profile_time};
use serde::{Deserialize, Deserializer, Serialize, Serializer};
use servo_url::{ImmutableOrigin, ServoUrl};
use strum_macros::IntoStaticStr;
use style_traits::{CSSPixel, SpeculativePainter};
use stylo_atoms::Atom;
#[cfg(feature = "webgpu")]
@ -288,7 +289,7 @@ pub enum UpdatePipelineIdReason {
/// Messages sent to the `ScriptThread` event loop from the `Constellation`, `Compositor`, and (for
/// now) `Layout`.
#[derive(Deserialize, Serialize)]
#[derive(Deserialize, IntoStaticStr, Serialize)]
pub enum ScriptThreadMessage {
/// Takes the associated window proxy out of "delaying-load-events-mode",
/// used if a scheduled navigated was refused by the embedder.
@ -408,44 +409,8 @@ pub enum ScriptThreadMessage {
impl fmt::Debug for ScriptThreadMessage {
fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
use self::ScriptThreadMessage::*;
let variant = match *self {
StopDelayingLoadEventsMode(..) => "StopDelayingLoadsEventMode",
AttachLayout(..) => "AttachLayout",
Resize(..) => "Resize",
ThemeChange(..) => "ThemeChange",
ResizeInactive(..) => "ResizeInactive",
UnloadDocument(..) => "UnloadDocument",
ExitPipeline(..) => "ExitPipeline",
ExitScriptThread => "ExitScriptThread",
SendInputEvent(..) => "SendInputEvent",
Viewport(..) => "Viewport",
GetTitle(..) => "GetTitle",
SetDocumentActivity(..) => "SetDocumentActivity",
SetThrottled(..) => "SetThrottled",
SetThrottledInContainingIframe(..) => "SetThrottledInContainingIframe",
NavigateIframe(..) => "NavigateIframe",
PostMessage { .. } => "PostMessage",
UpdatePipelineId(..) => "UpdatePipelineId",
UpdateHistoryState(..) => "UpdateHistoryState",
RemoveHistoryStates(..) => "RemoveHistoryStates",
FocusIFrame(..) => "FocusIFrame",
WebDriverScriptCommand(..) => "WebDriverScriptCommand",
TickAllAnimations(..) => "TickAllAnimations",
WebFontLoaded(..) => "WebFontLoaded",
DispatchIFrameLoadEvent { .. } => "DispatchIFrameLoadEvent",
DispatchStorageEvent(..) => "DispatchStorageEvent",
ReportCSSError(..) => "ReportCSSError",
Reload(..) => "Reload",
PaintMetric(..) => "PaintMetric",
ExitFullScreen(..) => "ExitFullScreen",
MediaSessionAction(..) => "MediaSessionAction",
#[cfg(feature = "webgpu")]
SetWebGPUPort(..) => "SetWebGPUPort",
SetScrollStates(..) => "SetScrollStates",
SetEpochPaintTime(..) => "SetEpochPaintTime",
};
write!(formatter, "ConstellationControlMsg::{}", variant)
let variant_string: &'static str = self.into();
write!(formatter, "ConstellationControlMsg::{variant_string}")
}
}