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perf(editor): avoid brush cursor style invalidation

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This commit is contained in:
Alexandre Teixeira
2026-10-30 19:27:58 +00:00
parent c811f76d44
commit f3813c261c
2 changed files with 505 additions and 2 deletions
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static/js/galleryEditor.js
+28 -2
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@@ -5759,7 +5759,20 @@ function _updateBrushCursor(e) {
state.cursorEl.style.height = diameterY + 'px';
}
state.cursorEl.classList.toggle('ge-brush-cursor--pixel', pixelBrush);
state.cursorEl.style.transform = `translate3d(${clientX - diameterX / 2}px, ${clientY - diameterY / 2}px, 0)`;
// Updating an inline style on every move invalidates document-wide :has()
// selectors. A paused animation keeps the same transform in the rendering
// pipeline without mutating the cursor's style attribute on every frame.
const cursorTransform = `translate3d(${clientX - diameterX / 2}px, ${clientY - diameterY / 2}px, 0)`;
if (!state.cursorEl._positionAnimation || state.cursorEl._positionAnimation.playState === 'idle') {
state.cursorEl._positionAnimation = state.cursorEl.animate(
[{ transform: cursorTransform }, { transform: cursorTransform }],
{ duration: 1, fill: 'both' },
);
state.cursorEl._positionAnimation.pause();
state.cursorEl._positionAnimation.currentTime = 0;
} else {
state.cursorEl._positionAnimation.effect.setKeyframes([{ transform: cursorTransform }, { transform: cursorTransform }]);
}
if (state.cursorEl.style.display !== 'block') {
state.cursorEl.style.display = 'block';
}
@@ -14061,7 +14074,20 @@ export function closeEditor(options = {}) {
const h = state.editorDocClickHandlers.pop();
try { document.removeEventListener('click', h); } catch {}
}
if (state.cursorEl) { state.cursorEl.remove(); state.cursorEl = null; }
if (_cursorRaf) { cancelAnimationFrame(_cursorRaf); _cursorRaf = null; }
_pendingCursorEvent = null;
_lastCursorRect = null;
state._lastCursorDiameterX = null;
state._lastCursorDiameterY = null;
state._lastCursorBorderColor = null;
if (state.cursorEl) {
if (state.cursorEl._positionAnimation) {
try { state.cursorEl._positionAnimation.cancel(); } catch {}
state.cursorEl._positionAnimation = null;
}
state.cursorEl.remove();
state.cursorEl = null;
}
try { document.getElementById('ge-cursor-layer')?.remove(); } catch {}
// Tear down all floating popups + the dock so closing the editor
// doesn't leave stale chips/panels behind on top of the gallery.