gecko-dev/layout/generic/nsIAnonymousContentCreator.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#ifndef nsIAnonymousContentCreator_h___
#define nsIAnonymousContentCreator_h___
#include "nsISupports.h"
#include "nsIContent.h"
#include "nsCOMPtr.h"
class nsIPresContext;
class nsISupportsArray;
class nsIAtom;
class nsIStyleContext;
class nsIFrame;
// {41a69e00-2d6d-11d3-b033-a1357139787c}
#define NS_IANONYMOUS_CONTENT_CREATOR_IID { 0x41a69e00, 0x2d6d, 0x11d3, { 0xb0, 0x33, 0xa1, 0x35, 0x71, 0x39, 0x78, 0x7c } }
/**
* Any source for anonymous content can implement this interface to provide it.
* HTML frames like nsFileControlFrame currently use this as well as XUL frames
* like nsScrollbarFrame & nsSliderFrame.
*/
class nsIAnonymousContentCreator : public nsISupports {
public:
static const nsIID& GetIID() { static nsIID iid = NS_IANONYMOUS_CONTENT_CREATOR_IID; return iid; }
NS_IMETHOD CreateAnonymousContent(nsIPresContext* aPresContext,
nsISupportsArray& aAnonymousItems)=0;
// If the creator doesn't want to create special fframe ro frame hierarchy
// then it should null out the style content arg and return NS_ERROR_FAILURE
NS_IMETHOD CreateFrameFor(nsIPresContext* aPresContext,
nsIContent * aContent,
nsIFrame** aFrame)=0;
};
nsresult NS_CreateAnonymousNode(nsIContent* aParent, nsIAtom* aTag, PRInt32 aNameSpaceId, nsCOMPtr<nsIContent>& aNewNode);
#endif