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workspaceThumbnail: Don't keep stale clones in list

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If a clone gets destroyed before the corresponding MetaWindow is
removed from the workspace, we will still find it in the list of
clones and try to destroy it again. Avoid the resulting warnings
by updating the list of clones immediately when a clone is destroyed.

https://bugzilla.gnome.org/show_bug.cgi?id=791233
This commit is contained in:
Florian Müllner 2018-07-09 12:19:00 +02:00
parent f26cc3ac23
commit db2245d60b
1 changed files with 16 additions and 10 deletions
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24
js/ui/workspaceThumbnail.js
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@ -372,15 +372,8 @@ var WorkspaceThumbnail = new Lang.Class({
},
_doRemoveWindow(metaWin) {
// find the position of the window in our list
let index = this._lookupIndex (metaWin);
if (index == -1)
return;
let clone = this._windows[index];
this._windows.splice(index, 1);
let clone = this._removeWindowClone(metaWin);
if (clone)
clone.destroy();
},
@ -533,6 +526,9 @@ var WorkspaceThumbnail = new Lang.Class({
clone.connect('drag-end', () => {
Main.overview.endWindowDrag(clone.metaWindow);
});
clone.actor.connect('destroy', () => {
this._removeWindowClone(clone.metaWindow);
});
this._contents.add_actor(clone.actor);
if (this._windows.length == 0)
@ -545,6 +541,16 @@ var WorkspaceThumbnail = new Lang.Class({
return clone;
},
_removeWindowClone(metaWin) {
// find the position of the window in our list
let index = this._lookupIndex (metaWin);
if (index == -1)
return null;
return this._windows.splice(index, 1).pop();
},
activate(time) {
if (this.state > ThumbnailState.NORMAL)
return;