зеркало из https://github.com/mozilla/pjs.git
85 строки
3.1 KiB
C++
85 строки
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla 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/MPL/
|
|
*
|
|
* 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 the Initial Developer are Copyright (C) 1998
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
|
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
/*
|
|
* interface for rendering objects that manually create subtrees of
|
|
* anonymous content
|
|
*/
|
|
|
|
#ifndef nsIAnonymousContentCreator_h___
|
|
#define nsIAnonymousContentCreator_h___
|
|
|
|
#include "nsQueryFrame.h"
|
|
#include "nsIContent.h"
|
|
|
|
class nsIFrame;
|
|
template <class T> class nsTArray;
|
|
|
|
/**
|
|
* Any source for anonymous content can implement this interface to provide it.
|
|
* HTML frames like nsFileControlFrame currently use this.
|
|
*
|
|
* @see nsCSSFrameConstructor
|
|
*/
|
|
class nsIAnonymousContentCreator
|
|
{
|
|
public:
|
|
NS_DECLARE_FRAME_ACCESSOR(nsIAnonymousContentCreator)
|
|
|
|
/**
|
|
* Creates "native" anonymous content and adds the created content to
|
|
* the aElements array. None of the returned elements can be nsnull.
|
|
*
|
|
* @note The returned elements are owned by this object. This object is
|
|
* responsible for calling UnbindFromTree on the elements it returned
|
|
* from CreateAnonymousContent when appropriate (i.e. before releasing
|
|
* them).
|
|
*/
|
|
virtual nsresult CreateAnonymousContent(nsTArray<nsIContent*>& aElements)=0;
|
|
|
|
/**
|
|
* Implementations can override this method to create special frames for the
|
|
* anonymous content returned from CreateAnonymousContent.
|
|
* By default this method returns nsnull, which means the default frame
|
|
* is created.
|
|
*/
|
|
virtual nsIFrame* CreateFrameFor(nsIContent* aContent) { return nsnull; }
|
|
};
|
|
|
|
#endif
|
|
|