gecko/content/base/public/nsIFrameLoader.idl
2009-12-15 20:33:05 -05:00

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/* -*- Mode: IDL; 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 Communicator client 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):
* Johnny Stenback <jst@netscape.com> (original author)
* Brian Ryner <bryner@brianryner.com>
*
* 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 ***** */
#include "nsISupports.idl"
interface nsIDocShell;
interface nsIURI;
[scriptable, uuid(d675c531-6bdc-417c-b176-635060105f07)]
interface nsIFrameLoader : nsISupports
{
/**
* Get the docshell from the frame loader.
*/
readonly attribute nsIDocShell docShell;
/**
* Start loading the frame. This method figures out what to load
* from the owner content in the frame loader.
*/
void loadFrame();
/**
* Loads the specified URI in this frame. Behaves identically to loadFrame,
* except that this method allows specifying the URI to load.
*/
void loadURI(in nsIURI aURI);
/**
* Destroy the frame loader and everything inside it. This will
* clear the weak owner content reference.
*/
void destroy();
/**
* Find out whether the loader's frame is at too great a depth in
* the frame tree. This can be used to decide what operations may
* or may not be allowed on the loader's docshell.
*/
readonly attribute boolean depthTooGreat;
};
native alreadyAddRefed_nsFrameLoader(already_AddRefed<nsFrameLoader>);
[scriptable, uuid(8f3b12a0-35ae-4e0d-9152-8e0d7e49d446)]
interface nsIFrameLoaderOwner : nsISupports
{
/**
* The frame loader owned by this nsIFrameLoaderOwner
*/
readonly attribute nsIFrameLoader frameLoader;
[noscript, notxpcom] alreadyAddRefed_nsFrameLoader GetFrameLoader();
/**
* Swap frame loaders with the given nsIFrameLoaderOwner. This may
* only be posible in a very limited range of circumstances, or
* never, depending on the object implementing this interface.
*
* @throws NS_ERROR_NOT_IMPLEMENTED if the swapping logic is not
* implemented for the two given frame loader owners.
* @throws NS_ERROR_DOM_SECURITY_ERR if the swap is not allowed on
* security grounds.
*/
void swapFrameLoaders(in nsIFrameLoaderOwner aOtherOwner);
};