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fonts: Clean up messaging during web fonts loads (#32332)

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Instead of sending a message to the script thread via IPC when a web
font loads and then sending another, just give the `FontContext` a
callback that send a single message to the script thread. This moves all
the cache invalidation internally into `FontContext` as well.

Additionally, the unused LayoutControlMessage::ExitNow enum variant is
removed.

Signed-off-by: Martin Robinson <mrobinson@igalia.com>
Co-authored-by: Mukilan Thiyagarajan <mukilan@igalia.com>
This commit is contained in:
Martin Robinson 2024-05-22 10:30:35 +02:00 • committed by GitHub
parent d47c8ff2ae
commit 9f32809671
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GPG key ID: B5690EEEBB952194
10 changed files with 150 additions and 205 deletions
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5
components/shared/script/lib.rs
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@ -113,8 +113,6 @@ impl UntrustedNodeAddress {
/// Messages sent to layout from the constellation and/or compositor.
#[derive(Debug, Deserialize, Serialize)]
pub enum LayoutControlMsg {
/// Requests that this layout clean up before exit.
ExitNow,
/// Tells layout about the new scrolling offsets of each scrollable stacking context.
SetScrollStates(Vec<ScrollState>),
/// Send the paint time for a specific epoch to layout.
@ -395,8 +393,6 @@ pub enum ConstellationControlMsg {
SetWebGPUPort(IpcReceiver<WebGPUMsg>),
/// A mesage for a layout from the constellation.
ForLayoutFromConstellation(LayoutControlMsg, PipelineId),
/// A message for a layout from the font cache.
ForLayoutFromFontCache(PipelineId),
}
impl fmt::Debug for ConstellationControlMsg {
@ -436,7 +432,6 @@ impl fmt::Debug for ConstellationControlMsg {
MediaSessionAction(..) => "MediaSessionAction",
SetWebGPUPort(..) => "SetWebGPUPort",
ForLayoutFromConstellation(..) => "ForLayoutFromConstellation",
ForLayoutFromFontCache(..) => "ForLayoutFromFontCache",
};
write!(formatter, "ConstellationControlMsg::{}", variant)
}