Esanders has uploaded a new change for review.
https://gerrit.wikimedia.org/r/277226
Change subject: FocusableNode: Protect against calculateHighlights being called
on null surface
......................................................................
FocusableNode: Protect against calculateHighlights being called on null surface
This can happen if a debounced call runs after teardown.
Bug: T129549
Change-Id: Ibcadac8c6ee1feabf03822cf9b3f623544e03728
---
M src/ce/ve.ce.FocusableNode.js
1 file changed, 12 insertions(+), 3 deletions(-)
git pull ssh://gerrit.wikimedia.org:29418/VisualEditor/VisualEditor
refs/changes/26/277226/1
diff --git a/src/ce/ve.ce.FocusableNode.js b/src/ce/ve.ce.FocusableNode.js
index fcf543f..d2856b3 100644
--- a/src/ce/ve.ce.FocusableNode.js
+++ b/src/ce/ve.ce.FocusableNode.js
@@ -490,11 +490,20 @@
* Calculate position of highlights
*/
ve.ce.FocusableNode.prototype.calculateHighlights = function () {
- var i, l, $set, columnCount, columnWidth,
+ var i, l, $set, columnCount, columnWidth, surfaceOffset,
rects = [],
filteredRects = [],
- webkitColumns = 'webkitColumnCount' in document.createElement(
'div' ).style,
- surfaceOffset =
this.focusableSurface.getSurface().getBoundingClientRect();
+ webkitColumns = 'webkitColumnCount' in document.createElement(
'div' ).style;
+
+ // Protect against calling before/after surface setup/teardown
+ if ( !this.focusableSurface ) {
+ this.boundingRect = null;
+ this.startAndEndRects = null;
+ this.rects = [];
+ return;
+ }
+
+ surfaceOffset =
this.focusableSurface.getSurface().getBoundingClientRect();
function contains( rect1, rect2 ) {
return rect2.left >= rect1.left &&
--
To view, visit https://gerrit.wikimedia.org/r/277226
To unsubscribe, visit https://gerrit.wikimedia.org/r/settings
Gerrit-MessageType: newchange
Gerrit-Change-Id: Ibcadac8c6ee1feabf03822cf9b3f623544e03728
Gerrit-PatchSet: 1
Gerrit-Project: VisualEditor/VisualEditor
Gerrit-Branch: master
Gerrit-Owner: Esanders <[email protected]>
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