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Don't raise error while dragging of non-tab objects over the tab bar

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YUKI Hiroshi 2012-12-21 13:55:32 +09:00
parent 175286eba2
commit 4797ddfb6b
1 changed files with 1 additions and 1 deletions
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2
modules/tabbarDNDObserver.js
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@ -267,7 +267,7 @@ catch(e) {
};
let draggedTab = aEvent.dataTransfer && aEvent.dataTransfer.mozGetDataAt(TAB_DROP_TYPE, 0);
if (draggedTab._dragData) {
if (draggedTab && draggedTab._dragData) {
let sameTypeUndraggedTabs = tabs.filter(function(aTab) {
return !aTab._dragData && aTab.pinned == draggedTab.pinned;
});