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lightning-sunbird  0.9+nobinonly
nsIFrameBoxObject.cpp
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is Mozilla Communicator client code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Original Author: David W. Hyatt (hyatt@netscape.com)
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either of the GNU General Public License Version 2 or later (the "GPL"),
00027  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
00030  * under the terms of either the GPL or the LGPL, and not to allow others to
00031  * use your version of this file under the terms of the MPL, indicate your
00032  * decision by deleting the provisions above and replace them with the notice
00033  * and other provisions required by the GPL or the LGPL. If you do not delete
00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 #include "nsCOMPtr.h"
00039 #include "nsIIFrameBoxObject.h"
00040 #include "nsBoxObject.h"
00041 #include "nsIDocument.h"
00042 #include "nsIPresShell.h"
00043 #include "nsIFrame.h"
00044 #include "nsIDocShell.h"
00045 
00046 class nsIFrameBoxObject : public nsIIFrameBoxObject, public nsBoxObject
00047 {
00048 public:
00049   NS_DECL_ISUPPORTS
00050   NS_DECL_NSIIFRAMEBOXOBJECT
00051 
00052   nsIFrameBoxObject();
00053   virtual ~nsIFrameBoxObject();
00054   
00055 protected:
00056 };
00057 
00058 /* Implementation file */
00059 NS_IMPL_ADDREF(nsIFrameBoxObject)
00060 NS_IMPL_RELEASE(nsIFrameBoxObject)
00061 
00062 NS_IMETHODIMP 
00063 nsIFrameBoxObject::QueryInterface(REFNSIID iid, void** aResult)
00064 {
00065   if (!aResult)
00066     return NS_ERROR_NULL_POINTER;
00067   
00068   if (iid.Equals(NS_GET_IID(nsIIFrameBoxObject))) {
00069     *aResult = (nsIIFrameBoxObject*)this;
00070     NS_ADDREF(this);
00071     return NS_OK;
00072   }
00073 
00074   return nsBoxObject::QueryInterface(iid, aResult);
00075 }
00076   
00077 nsIFrameBoxObject::nsIFrameBoxObject()
00078 {
00079 }
00080 
00081 nsIFrameBoxObject::~nsIFrameBoxObject()
00082 {
00083   /* destructor code */
00084 }
00085 
00086 NS_IMETHODIMP nsIFrameBoxObject::GetDocShell(nsIDocShell** aResult)
00087 {
00088   return nsBoxObject::GetDocShell(aResult);
00089 }
00090 
00091 // Creation Routine ///////////////////////////////////////////////////////////////////////
00092 
00093 nsresult
00094 NS_NewIFrameBoxObject(nsIBoxObject** aResult)
00095 {
00096   *aResult = new nsIFrameBoxObject;
00097   if (!*aResult)
00098     return NS_ERROR_OUT_OF_MEMORY;
00099   NS_ADDREF(*aResult);
00100   return NS_OK;
00101 }
00102