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Rename IOCompositor to Paint (#41176)

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For a long time, the "Compositor" hasn't done any compositing. This is
handled by WebRender. In addition the "Compositor" does many other
tasks. This change renames `IOCompositor` to `Paint`.

`Paint` is Servo's paint subsystem and contains multiple `Painter`s.
This change does not rename the crate; that will be done in a
followup change.

Testing: This just renames types and updates comments, so no new tests
are necessary.

---------

Signed-off-by: Martin Robinson <mrobinson@igalia.com>
This commit is contained in:
Martin Robinson
2025-12-10 16:09:49 +01:00
committed by GitHub
parent 0e1ab937b3
commit 824f551f03
61 changed files with 592 additions and 629 deletions
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20
components/script/dom/document_event_handler.rs
View File

@@ -70,9 +70,9 @@ pub(crate) struct DocumentEventHandler {
window: Dom<Window>,
/// Pending input events, to be handled at the next rendering opportunity.
#[no_trace]
#[ignore_malloc_size_of = "CompositorEvent contains data from outside crates"]
#[ignore_malloc_size_of = "InputEvent contains data from outside crates"]
pending_input_events: DomRefCell<Vec<ConstellationInputEvent>>,
/// The index of the last mouse move event in the pending compositor events queue.
/// The index of the last mouse move event in the pending input events queue.
mouse_move_event_index: DomRefCell<Option<usize>>,
/// <https://w3c.github.io/uievents/#event-type-dblclick>
#[ignore_malloc_size_of = "Defined in std"]
@@ -115,24 +115,24 @@ impl DocumentEventHandler {
}
}
/// Note a pending compositor event, to be processed at the next `update_the_rendering` task.
/// Note a pending input event, to be processed at the next `update_the_rendering` task.
pub(crate) fn note_pending_input_event(&self, event: ConstellationInputEvent) {
let mut pending_compositor_events = self.pending_input_events.borrow_mut();
let mut pending_input_events = self.pending_input_events.borrow_mut();
if matches!(event.event.event, InputEvent::MouseMove(..)) {
// First try to replace any existing mouse move event.
if let Some(mouse_move_event) = self
.mouse_move_event_index
.borrow()
.and_then(|index| pending_compositor_events.get_mut(index))
.and_then(|index| pending_input_events.get_mut(index))
{
*mouse_move_event = event;
return;
}
*self.mouse_move_event_index.borrow_mut() = Some(pending_compositor_events.len());
*self.mouse_move_event_index.borrow_mut() = Some(pending_input_events.len());
}
pending_compositor_events.push(event);
pending_input_events.push(event);
}
/// Whether or not this [`Document`] has any pending input events to be processed during
@@ -466,8 +466,8 @@ impl DocumentEventHandler {
);
}
// Send mousemove event to topmost target, unless it's an iframe, in which case the
// compositor should have also sent an event to the inner document.
// Send mousemove event to topmost target, unless it's an iframe, in which case
// `Paint` should have also sent an event to the inner document.
MouseEvent::new_simple(
&self.window,
FireMouseEventType::Move,
@@ -1605,7 +1605,7 @@ impl DocumentEventHandler {
if scrolling_box.is_viewport() && parent_pipeline.is_none() {
let (_, delta) = calculate_current_scroll_offset_and_delta();
self.window
.compositor_api()
.paint_api()
.scroll_viewport_by_delta(self.window.webview_id(), delta);
}