pjs/content/base/public/nsIFrameLoader.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 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)
*
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 NPL, 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 NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsIFrameLoader_h___
#define nsIFrameLoader_h___
#include "nsISupports.h"
#include "nsAString.h"
// Forward declarations
class nsIContent;
class nsIDocShell;
class nsIURI;
// IID for the nsIFrameLoader interface
#define NS_IFRAMELOADER_IID \
{ 0x51e2b6df, 0xdaf2, 0x4a2f, \
{0x80, 0xe5, 0xed, 0x69, 0x5b, 0x8c, 0x67, 0x4f} }
// IID for the nsIFrameLoaderOwner interface
#define NS_IFRAMELOADEROWNER_IID \
{ 0x0080d493, 0x96b4, 0x4606, \
{0xa7, 0x43, 0x0f, 0x47, 0xee, 0x87, 0x14, 0xd1} }
// CID for the nsIFrameLoader implementation
#define NS_FRAMELOADER_CID \
{ 0x712603da, 0xf245, 0x4503, \
{0xa5, 0x41, 0xb0, 0x49, 0xcb, 0x06, 0x81, 0xae} }
#define NS_FRAMELOADER_CONTRACTID "@mozilla.org/content/frameloader"
class nsIFrameLoader : public nsISupports
{
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_IFRAMELOADER_IID)
/**
* Initialize the frame loader, hand it the owner content. Note that
* the owner content reference is a weak reference, if the owner
* content is destroyed before the frame loader goes away the owner
* content must call the Destroy() method to clear the owner content
* reference.
*/
NS_IMETHOD Init(nsIContent *aOwner) = 0;
/**
* Start loading the frame. This method figures out what to load
* from the owner content in the frame loader.
*/
NS_IMETHOD LoadFrame() = 0;
/**
* Get the docshell from the frame loader.
*/
NS_IMETHOD GetDocShell(nsIDocShell **aDocShell) = 0;
/**
* Destroy the frame loader and everything inside it. This will
* clear the weak owner content reference. */
NS_IMETHOD Destroy() = 0;
};
class nsIFrameLoaderOwner : public nsISupports
{
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_IFRAMELOADEROWNER_IID)
/**
* Get the frame loader from the frame loader owner.
*/
NS_IMETHOD GetFrameLoader(nsIFrameLoader **aFrameLoader) = 0;
/**
* Sets (or clears) the frame loader for this content.
*/
NS_IMETHOD SetFrameLoader(nsIFrameLoader *aFrameLoader) = 0;
};
nsresult
NS_NewFrameLoader(nsIFrameLoader **aFrameLoader);
#endif /* nsIFrameLoader_h___ */