mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-10 18:00:15 +01:00
470 lines
11 KiB
C++
470 lines
11 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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#include "nsXFormsStubElement.h"
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#include "nsIDOMElement.h"
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#include "nsIDOMEventTarget.h"
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#include "nsIDOM3Node.h"
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#include "nsMemory.h"
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#include "nsXFormsUtils.h"
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#include "nsXFormsAtoms.h"
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#include "nsIXTFBindableElementWrapper.h"
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static const nsIID sScriptingIIDs[] = {
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NS_IDOMELEMENT_IID,
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NS_IDOMEVENTTARGET_IID,
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NS_IDOM3NODE_IID
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};
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// nsXFormsStubElement implementation
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NS_IMPL_ISUPPORTS2(nsXFormsStubElement, nsIXTFElement, nsIXTFGenericElement)
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NS_IMETHODIMP
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nsXFormsStubElement::OnDestroyed()
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsStubElement::GetElementType(PRUint32 *aElementType)
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{
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*aElementType = nsIXTFElement::ELEMENT_TYPE_GENERIC_ELEMENT;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsStubElement::GetIsAttributeHandler(PRBool *aIsAttributeHandler)
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{
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*aIsAttributeHandler = PR_FALSE;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsStubElement::GetScriptingInterfaces(PRUint32 *aCount, nsIID ***aArray)
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{
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return nsXFormsUtils::CloneScriptingInterfaces(sScriptingIIDs,
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NS_ARRAY_LENGTH(sScriptingIIDs),
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aCount, aArray);
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}
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NS_IMETHODIMP
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nsXFormsStubElement::WillChangeDocument(nsIDOMDocument *aNewDocument)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsStubElement::DocumentChanged(nsIDOMDocument *aNewDocument)
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{
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mHasDoc = aNewDocument != nsnull;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsStubElement::WillChangeParent(nsIDOMElement *aNewParent)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsStubElement::ParentChanged(nsIDOMElement *aNewParent)
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{
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mHasParent = aNewParent != nsnull;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsStubElement::WillInsertChild(nsIDOMNode *aChild, PRUint32 aIndex)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsStubElement::ChildInserted(nsIDOMNode *aChild, PRUint32 aIndex)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsStubElement::WillAppendChild(nsIDOMNode *aChild)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsStubElement::ChildAppended(nsIDOMNode *aChild)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsStubElement::WillRemoveChild(PRUint32 aIndex)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsStubElement::ChildRemoved(PRUint32 aIndex)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsStubElement::WillSetAttribute(nsIAtom *aName,
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const nsAString &aNewValue)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsStubElement::AttributeSet(nsIAtom *aName, const nsAString &aNewValue)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsStubElement::WillRemoveAttribute(nsIAtom *aName)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsStubElement::AttributeRemoved(nsIAtom *aName)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsStubElement::BeginAddingChildren()
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsStubElement::DoneAddingChildren()
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsStubElement::HandleDefault(nsIDOMEvent *aEvent, PRBool *aHandled)
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{
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*aHandled = PR_FALSE;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsStubElement::OnCreated(nsIXTFGenericElementWrapper *aWrapper)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsStubElement::CloneState(nsIDOMElement *aElement)
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{
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return NS_OK;
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}
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nsRepeatState
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nsXFormsStubElement::GetRepeatState()
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{
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return mRepeatState;
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}
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void
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nsXFormsStubElement::SetRepeatState(nsRepeatState aState)
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{
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mRepeatState = aState;
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return;
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}
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nsRepeatState
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nsXFormsStubElement::UpdateRepeatState(nsIDOMNode *aParent)
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{
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// Walk up the parent chain looking to see if the this control is contained
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// in an item. If it is and that item is contained in a itemset, then we
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// know that this control was generated as a clone from the itemset's
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// template. Similarly, we'll check to see if this control lives in a
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// contextcontainer (meaning it was cloned from a repeat's template).
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// Otherwise, if neither of these are the case but it lives under a repeat
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// or an itemset, then this control must be part of a template. A template
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// is the content of a repeat or itemset that gets cloned once for every
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// node in the bound nodeset.
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//
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// If none of this applies, we'll return eType_NotApplicable to show that this
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// control isn't bound to a repeating nodeset.
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nsRepeatState repeatState = eType_NotApplicable;
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if (!mHasDoc || !mHasParent) {
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// If we don't have a document or a parent, none of these tests will work
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// correctly so no sense doing them now. If either of these are false the
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// repeat state for the object should already be eType_Unknown so just
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// return that now.
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return eType_Unknown;
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}
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nsCOMPtr<nsIDOMNode> parent = aParent;
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PRBool childIsItem = PR_FALSE;
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while (parent) {
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if (nsXFormsUtils::IsXFormsElement(parent,
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NS_LITERAL_STRING("contextcontainer"))) {
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repeatState = eType_GeneratedContent;
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break;
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}
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if (nsXFormsUtils::IsXFormsElement(parent, NS_LITERAL_STRING("repeat"))) {
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repeatState = eType_Template;
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break;
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}
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if (nsXFormsUtils::IsXFormsElement(parent, NS_LITERAL_STRING("itemset"))) {
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if (childIsItem) {
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repeatState = eType_GeneratedContent;
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break;
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}
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repeatState = eType_Template;
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break;
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}
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if (nsXFormsUtils::IsXFormsElement(parent, NS_LITERAL_STRING("item"))) {
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childIsItem = PR_TRUE;
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} else {
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nsCOMPtr<nsIDOMElement> parentEle(do_QueryInterface(parent));
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if (!parentEle) {
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// I don't know how this can possibly happen, but if it does I guess
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// we should just ignore it and coninue on our way.
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break;
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}
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// if this control is contained underneath an element that contains
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// an xforms binding attribute that introduces an anonymous xf:repeat
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// then the control is part of a template
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PRBool repeatAttr = PR_FALSE;
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parentEle->HasAttributeNS(NS_LITERAL_STRING(NS_NAMESPACE_XFORMS),
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NS_LITERAL_STRING("repeat-bind"),
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&repeatAttr);
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if (repeatAttr) {
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repeatState = eType_Template;
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break;
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}
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parentEle->HasAttributeNS(NS_LITERAL_STRING(NS_NAMESPACE_XFORMS),
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NS_LITERAL_STRING("repeat-nodeset"),
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&repeatAttr);
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if (repeatAttr) {
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repeatState = eType_Template;
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break;
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}
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}
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nsCOMPtr<nsIDOMNode> tmp;
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parent->GetParentNode(getter_AddRefs(tmp));
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parent = tmp;
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}
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SetRepeatState(repeatState);
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return repeatState;
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}
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nsresult
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NS_NewXFormsStubElement(nsIXTFElement **aResult)
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{
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*aResult = new nsXFormsStubElement();
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if (!*aResult)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(*aResult);
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return NS_OK;
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}
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// nsXFormsBindableStub implementation
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NS_IMPL_ISUPPORTS2(nsXFormsBindableStub, nsIXTFElement, nsIXTFBindableElement)
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NS_IMETHODIMP
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nsXFormsBindableStub::OnDestroyed()
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::GetElementType(PRUint32 *aElementType)
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{
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*aElementType = nsIXTFElement::ELEMENT_TYPE_BINDABLE;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::GetIsAttributeHandler(PRBool *aIsAttributeHandler)
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{
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*aIsAttributeHandler = PR_FALSE;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::GetScriptingInterfaces(PRUint32 *aCount, nsIID ***aArray)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::WillChangeDocument(nsIDOMDocument *aNewDocument)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::DocumentChanged(nsIDOMDocument *aNewDocument)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::WillChangeParent(nsIDOMElement *aNewParent)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::ParentChanged(nsIDOMElement *aNewParent)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::WillInsertChild(nsIDOMNode *aChild, PRUint32 aIndex)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::ChildInserted(nsIDOMNode *aChild, PRUint32 aIndex)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::WillAppendChild(nsIDOMNode *aChild)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::ChildAppended(nsIDOMNode *aChild)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::WillRemoveChild(PRUint32 aIndex)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::ChildRemoved(PRUint32 aIndex)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::WillSetAttribute(nsIAtom *aName,
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const nsAString &aNewValue)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::AttributeSet(nsIAtom *aName, const nsAString &aNewValue)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::WillRemoveAttribute(nsIAtom *aName)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::AttributeRemoved(nsIAtom *aName)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::BeginAddingChildren()
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::DoneAddingChildren()
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::HandleDefault(nsIDOMEvent *aEvent, PRBool *aHandled)
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{
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*aHandled = PR_FALSE;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::OnCreated(nsIXTFBindableElementWrapper *aWrapper)
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{
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NS_ENSURE_ARG(aWrapper);
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return aWrapper->SetClassAttributeName(nsXFormsAtoms::clazz);
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}
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NS_IMETHODIMP
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nsXFormsBindableStub::CloneState(nsIDOMElement *aElement)
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{
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return NS_OK;
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}
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nsresult
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NS_NewXFormsBindableStub(nsIXTFElement **aResult)
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{
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*aResult = new nsXFormsBindableStub();
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if (!*aResult)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(*aResult);
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return NS_OK;
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}
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