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Don't lie about our scrollable view, and don't claim to have one if we're not

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scrollable.  Bug 209807, r+sr=roc
This commit is contained in:
bzbarsky@mit.edu
2004-02-19 23:04:51 +00:00
parent 3cce7158fa
commit 437fec5b39
2 changed files with 4 additions and 28 deletions
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16
layout/forms/nsTextControlFrame.cpp
View File

@@ -1127,7 +1127,7 @@ nsTextControlFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr)
*aInstancePtr = (void*)(nsITextControlFrame*) this;
return NS_OK;
}
if (aIID.Equals(NS_GET_IID(nsIScrollableViewProvider))) {
if (aIID.Equals(NS_GET_IID(nsIScrollableViewProvider)) && IsScrollable()) {
*aInstancePtr = (void*)(nsIScrollableViewProvider*) this;
return NS_OK;
}
@@ -3093,20 +3093,8 @@ NS_IMETHODIMP
nsTextControlFrame::GetScrollableView(nsIPresContext* aPresContext,
nsIScrollableView** aView)
{
nsresult rv = NS_OK;
*aView = mScrollableView;
if (mScrollableView && !IsScrollable()) {
nsIView *view = 0;
nsIScrollableView* scrollableView = 0;
rv = mScrollableView->QueryInterface(NS_GET_IID(nsIView), (void**)&view);
while (view) {
rv = view->QueryInterface(NS_GET_IID(nsIScrollableView), (void **)&scrollableView);
if (NS_SUCCEEDED(rv) && scrollableView)
*aView = scrollableView;
view = view->GetParent();
}
}
return rv;
return NS_OK;
}
PRBool