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workspaceThumbnail: disconnect handlers when workspace is removed

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We need to remove the handlers when the workspace is removed, not
when the animation of it being removed finishes, or we can access
a destroyed workspace and triggger an assertion failure in Mutter.

https://bugzilla.redhat.com/show_bug.cgi?id=705664
https://bugzilla.gnome.org/show_bug.cgi?id=667652
This commit is contained in:
Owen W. Taylor 2012-01-11 17:24:42 -05:00
parent f59018f2d7
commit 8943b3b0e9
1 changed files with 16 additions and 3 deletions
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19
js/ui/workspaceThumbnail.js
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@ -154,6 +154,8 @@ const WorkspaceThumbnail = new Lang.Class({
this.metaWorkspace = metaWorkspace;
this.monitorIndex = Main.layoutManager.primaryIndex;
this._removed = false;
this.actor = new St.Group({ reactive: true,
clip_to_allocation: true,
style_class: 'workspace-thumbnail' });
@ -284,7 +286,7 @@ const WorkspaceThumbnail = new Lang.Class({
},
_doAddWindow : function(metaWin) {
if (this.leavingOverview)
if (this._removed)
return;
let win = metaWin.get_compositor_private();
@ -294,7 +296,7 @@ const WorkspaceThumbnail = new Lang.Class({
// the compositor finds out about them...
Mainloop.idle_add(Lang.bind(this,
function () {
if (this.actor &&
if (!this._removed &&
metaWin.get_compositor_private() &&
metaWin.get_workspace() == this.metaWorkspace)
this._doAddWindow(metaWin);
@ -350,7 +352,12 @@ const WorkspaceThumbnail = new Lang.Class({
this.actor.destroy();
},
_onDestroy: function(actor) {
workspaceRemoved : function() {
if (this._removed)
return;
this._removed = true;
this.metaWorkspace.disconnect(this._windowAddedId);
this.metaWorkspace.disconnect(this._windowRemovedId);
global.screen.disconnect(this._windowEnteredMonitorId);
@ -363,6 +370,10 @@ const WorkspaceThumbnail = new Lang.Class({
delete metaWin._minimizedChangedId;
}
}
},
_onDestroy: function(actor) {
this.workspaceRemoved();
this._windows = [];
this.actor = null;
@ -732,6 +743,8 @@ const ThumbnailsBox = new Lang.Class({
if (thumbnail.state > ThumbnailState.NORMAL)
continue;
thumbnail.workspaceRemoved();
if (currentPos >= start && currentPos < start + count)
this._setThumbnailState(thumbnail, ThumbnailState.REMOVING);