iconGrid: Clear meta_later callback on destruction

The IconGrid code sometimes sets up a callback to be invoked
later right before being destroyed.

This commit adds a destroy handler to cancel the callback.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/628
This commit is contained in:
Ray Strode 2019-07-22 11:06:30 -04:00 committed by Ray Strode
parent eaa32090b9
commit 1d60c4d9d4

View File

@ -206,6 +206,8 @@ var IconGrid = GObject.registerClass({
this.rightPadding = 0;
this.leftPadding = 0;
this._updateIconSizesLaterId = 0;
this._items = [];
this._clonesAnimating = [];
// Pulled from CSS, but hardcode some defaults here
@ -223,6 +225,14 @@ var IconGrid = GObject.registerClass({
this.connect('actor-added', this._childAdded.bind(this));
this.connect('actor-removed', this._childRemoved.bind(this));
this.connect('destroy', this._onDestroy.bind(this));
}
_onDestroy() {
if (this._updateIconSizesLaterId) {
Meta.later_remove (this._updateIconSizesLaterId);
this._updateIconSizesLaterId = 0;
}
}
_keyFocusIn(actor) {
@ -757,12 +767,14 @@ var IconGrid = GObject.registerClass({
this._updateSpacingForSize(availWidth, availHeight);
}
Meta.later_add(Meta.LaterType.BEFORE_REDRAW,
if (!this._updateIconSizesLaterId)
this._updateIconSizesLaterId = Meta.later_add(Meta.LaterType.BEFORE_REDRAW,
this._updateIconSizes.bind(this));
}
// Note that this is ICON_SIZE as used by BaseIcon, not elsewhere in IconGrid; it's a bit messed up
_updateIconSizes() {
this._updateIconSizesLaterId = 0;
let scale = Math.min(this._fixedHItemSize, this._fixedVItemSize) / Math.max(this._hItemSize, this._vItemSize);
let newIconSize = Math.floor(ICON_SIZE * scale);
for (let i in this._items) {