gecko-dev/extensions/xforms/nsXFormsSetFocusElement.cpp

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/* -*- Mode: C++; 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 XForms support.
*
* The Initial Developer of the Original Code is
* Olli Pettay.
* Portions created by the Initial Developer are Copyright (C) 2004
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Olli Pettay <Olli.Pettay@helsinki.fi> (original author)
*
* 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 "nsXFormsActionModuleBase.h"
#include "nsIDOMDocument.h"
#include "nsIDOMElement.h"
#include "nsString.h"
#include "nsCOMPtr.h"
class nsXFormsSetFocusElement : public nsXFormsActionModuleBase
{
public:
nsXFormsSetFocusElement();
NS_DECL_NSIXFORMSACTIONMODULEELEMENT
};
nsXFormsSetFocusElement::nsXFormsSetFocusElement()
{
}
NS_IMETHODIMP
nsXFormsSetFocusElement::HandleAction(nsIDOMEvent* aEvent,
nsIXFormsActionElement *aParentAction)
{
if (!mElement)
return NS_OK;
nsAutoString control;
mElement->GetAttribute(NS_LITERAL_STRING("control"), control);
if (control.IsEmpty())
return NS_OK;
nsCOMPtr<nsIDOMDocument> doc;
mElement->GetOwnerDocument(getter_AddRefs(doc));
if (!doc)
return NS_OK;
nsCOMPtr<nsIDOMElement> el;
nsXFormsUtils::GetElementById(doc, control, PR_TRUE, mElement,
getter_AddRefs(el));
if (!el)
return NS_OK;
return nsXFormsUtils::DispatchEvent(el, eEvent_Focus);
}
NS_HIDDEN_(nsresult)
NS_NewXFormsSetFocusElement(nsIXTFElement **aResult)
{
*aResult = new nsXFormsSetFocusElement();
if (!*aResult)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(*aResult);
return NS_OK;
}