a6e0d47c5a
Bug 61274, r=buster sr=waterson git-svn-id: svn://10.0.0.236/trunk@84377 18797224-902f-48f8-a5cc-f745e15eee43
75 lines
2.0 KiB
C++
75 lines
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Author: Eric D Vaughan (evaughan@netscape.com)
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*
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* Contributor(s):
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* Pierre Phaneuf <pp@ludusdesign.com>
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*/
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#include "nsScrollPortFrame.h"
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#include "nsIFormControlFrame.h"
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nsresult
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NS_NewScrollPortFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame)
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{
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NS_PRECONDITION(aNewFrame, "null OUT ptr");
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if (nsnull == aNewFrame) {
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return NS_ERROR_NULL_POINTER;
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}
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nsScrollPortFrame* it = new (aPresShell) nsScrollPortFrame (aPresShell);
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if (nsnull == it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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*aNewFrame = it;
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return NS_OK;
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}
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PRBool
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nsScrollPortFrame::NeedsClipWidget()
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{
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// XXX: This code will go away when a general solution for creating
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// widgets only when needed is implemented.
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nsIFrame* parentFrame;
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GetParent(&parentFrame);
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nsIFormControlFrame* fcFrame;
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while (parentFrame) {
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if ((NS_SUCCEEDED(parentFrame->QueryInterface(NS_GET_IID(nsIFormControlFrame), (void**)&fcFrame)))) {
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return(PR_FALSE);
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}
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parentFrame->GetParent(&parentFrame);
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}
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return PR_TRUE;
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}
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#ifdef NS_DEBUG
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NS_IMETHODIMP
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nsScrollPortFrame::GetFrameName(nsString& aResult) const
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{
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return MakeFrameName("ScrollPortFrame", aResult);
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}
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#endif
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nsScrollPortFrame::nsScrollPortFrame(nsIPresShell* aShell):nsScrollBoxFrame(aShell)
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{
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}
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