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search: Remove updateSearch later on destruction

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When the GridSearchBase actor is destroyed we should remove the
ongoing later that might try to access to invalid resources.

To do this, add an _onDestroy() callback function to SearchResultsBase
and override it in GridSearchBase.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/700
This commit is contained in:
Marco Trevisan (Treviño) 2019-08-31 23:40:52 +02:00 committed by Florian Müllner
parent a53b48de4c
commit c69e195441
1 changed files with 22 additions and 1 deletions
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23
js/ui/search.js
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@ -158,10 +158,15 @@ var SearchResultsBase = class {
this._clipboard = St.Clipboard.get_default();
this._cancellable = new Gio.Cancellable();
this.actor.connect('destroy', this._onDestroy.bind(this));
}
destroy() {
this.actor.destroy();
}
_onDestroy() {
this._terms = [];
}
@ -341,14 +346,30 @@ var GridSearchResults = class extends SearchResultsBase {
this._resultDisplayBin.set_child(this._bin);
}
_onDestroy() {
if (this._updateSearchLater) {
Meta.later_remove(this._updateSearchLater);
delete this._updateSearchLater;
}
super._onDestroy();
}
updateSearch(...args) {
if (this._notifyAllocationId)
this.actor.disconnect(this._notifyAllocationId);
if (this._updateSearchLater) {
Meta.later_remove(this._updateSearchLater);
delete this._updateSearchLater;
}
// Make sure the maximum number of results calculated by
// _getMaxDisplayedResults() is updated after width changes.
this._notifyAllocationId = this.actor.connect('notify::allocation', () => {
Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
if (this._updateSearchLater)
return;
this._updateSearchLater = Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
delete this._updateSearchLater;
super.updateSearch(...args);
return GLib.SOURCE_REMOVE;
});