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Bug 383837, Crash [@ nsXULTooltipListener::LaunchTooltip], r=enn, sr=neil

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Olli.Pettay@helsinki.fi 2007-06-15 11:53:42 -07:00
parent 0fe22432bb
commit fcd8e6531d
1 changed files with 26 additions and 12 deletions
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38
layout/xul/base/src/nsXULTooltipListener.cpp
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@ -474,11 +474,12 @@ SetTitletipLabel(nsITreeBoxObject* aTreeBox, nsIContent* aTooltip,
{
nsCOMPtr<nsITreeView> view;
aTreeBox->GetView(getter_AddRefs(view));
nsAutoString label;
view->GetCellText(aRow, aCol, label);
aTooltip->SetAttr(nsnull, nsGkAtoms::label, label, PR_TRUE);
if (view) {
nsAutoString label;
nsresult rv = view->GetCellText(aRow, aCol, label);
NS_WARN_IF_FALSE(NS_SUCCEEDED(rv), "Couldn't get the cell text!");
aTooltip->SetAttr(kNameSpaceID_None, nsGkAtoms::label, label, PR_TRUE);
}
}
#endif
@ -510,9 +511,20 @@ nsXULTooltipListener::LaunchTooltip()
#endif
SetTitletipLabel(obx, mCurrentTooltip, mLastTreeRow, mLastTreeCol);
mCurrentTooltip->SetAttr(nsnull, nsGkAtoms::titletip, NS_LITERAL_STRING("true"), PR_TRUE);
} else
mCurrentTooltip->UnsetAttr(nsnull, nsGkAtoms::titletip, PR_TRUE);
if (!mCurrentTooltip) {
// Because of mutation events, mCurrentTooltip can be null.
return;
}
mCurrentTooltip->SetAttr(kNameSpaceID_None, nsGkAtoms::titletip,
NS_LITERAL_STRING("true"), PR_TRUE);
} else {
mCurrentTooltip->UnsetAttr(kNameSpaceID_None, nsGkAtoms::titletip,
PR_TRUE);
}
if (!mCurrentTooltip) {
// Because of mutation events, mCurrentTooltip can be null.
return;
}
#endif
nsCOMPtr<nsIDOMElement> targetEl(do_QueryInterface(mSourceNode));
@ -739,15 +751,17 @@ nsXULTooltipListener::CreateAutoHideTimer()
void
nsXULTooltipListener::sTooltipCallback(nsITimer *aTimer, void *aListener)
{
if (mInstance)
mInstance->ShowTooltip();
nsRefPtr<nsXULTooltipListener> instance = mInstance;
if (instance)
instance->ShowTooltip();
}
void
nsXULTooltipListener::sAutoHideCallback(nsITimer *aTimer, void* aListener)
{
if (mInstance)
mInstance->HideTooltip();
nsRefPtr<nsXULTooltipListener> instance = mInstance;
if (instance)
instance->HideTooltip();
}
#ifdef MOZ_XUL