mirror of
https://github.com/rn10950/RetroZilla.git
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122 lines
4.5 KiB
C++
122 lines
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla XForms support.
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*
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* The Initial Developer of the Original Code is
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* IBM Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2004
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Brian Ryner <bryner@brianryner.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsXFormsInstanceElement_h_
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#define nsXFormsInstanceElement_h_
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#include "nsXFormsStubElement.h"
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#include "nsIDOMDocument.h"
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#include "nsCOMArray.h"
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#include "nsCOMPtr.h"
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#include "nsIModelElementPrivate.h"
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#include "nsIInstanceElementPrivate.h"
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#include "nsIRequestObserver.h"
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#include "nsIStreamListener.h"
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#include "nsIChannelEventSink.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIXFormsContextInfo.h"
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class nsIDocument;
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class nsIDOMElement;
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/**
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* Implementation of the XForms \<instance\> element.
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* It creates an instance document by either cloning the inline instance data
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* or loading an external xml document given by the src attribute.
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*/
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class nsXFormsInstanceElement : public nsXFormsStubElement,
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public nsIInstanceElementPrivate,
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public nsIStreamListener,
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public nsIChannelEventSink,
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public nsIInterfaceRequestor
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSIREQUESTOBSERVER
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NS_DECL_NSIXFORMSNSINSTANCEELEMENT
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NS_DECL_NSIINSTANCEELEMENTPRIVATE
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NS_DECL_NSISTREAMLISTENER
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NS_DECL_NSICHANNELEVENTSINK
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NS_DECL_NSIINTERFACEREQUESTOR
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// nsIXTFGenericElement overrides
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NS_IMETHOD OnDestroyed();
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NS_IMETHOD AttributeSet(nsIAtom *aName, const nsAString &aNewValue);
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NS_IMETHOD AttributeRemoved(nsIAtom *aName);
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NS_IMETHOD WillChangeParent(nsIDOMElement *aNewParent);
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NS_IMETHOD ParentChanged(nsIDOMElement *aNewParent);
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NS_IMETHOD OnCreated(nsIXTFGenericElementWrapper *aWrapper);
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nsXFormsInstanceElement() NS_HIDDEN;
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private:
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NS_HIDDEN_(nsresult) CloneInlineInstance(nsIDOMNode *aChild);
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NS_HIDDEN_(void) LoadExternalInstance(const nsAString &aSrc);
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NS_HIDDEN_(nsresult) CreateInstanceDocument(const nsAString &aQualifiedName);
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NS_HIDDEN_(already_AddRefed<nsIModelElementPrivate>) GetModel();
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NS_HIDDEN_(nsresult) GetFirstChildElement(nsIDOMNode **aChild);
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/**
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* Replace principal for document to be the same as for the owning document.
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*
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* WARNING: This could lead to a security breach, and should be used with
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* extreme care!
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*
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* @see https://bugzilla.mozilla.org/show_bug.cgi?id=338451
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*
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* @param aDoc The document to replace principal for
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*/
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nsresult ReplacePrincipal(nsIDocument *aDoc);
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nsCOMPtr<nsIDOMDocument> mDocument;
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nsCOMPtr<nsIDOMDocument> mOriginalDocument;
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nsIDOMElement *mElement;
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nsCOMPtr<nsIStreamListener> mListener;
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PRBool mInitialized;
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PRBool mLazy;
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nsCOMPtr<nsIChannel> mChannel;
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// Context Info for events.
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nsCOMArray<nsIXFormsContextInfo> mContextInfo;
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};
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NS_HIDDEN_(nsresult)
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NS_NewXFormsInstanceElement(nsIXTFElement **aResult);
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#endif
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