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lightning-sunbird  0.9+nobinonly
nsXFormsSetFocusElement.cpp
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is Mozilla XForms support.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Olli Pettay.
00019  * Portions created by the Initial Developer are Copyright (C) 2004
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Olli Pettay <Olli.Pettay@helsinki.fi> (original author)
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either of the GNU General Public License Version 2 or later (the "GPL"),
00027  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
00030  * under the terms of either the GPL or the LGPL, and not to allow others to
00031  * use your version of this file under the terms of the MPL, indicate your
00032  * decision by deleting the provisions above and replace them with the notice
00033  * and other provisions required by the GPL or the LGPL. If you do not delete
00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #include "nsXFormsActionModuleBase.h"
00040 #include "nsIDOMDocument.h"
00041 #include "nsIDOMElement.h"
00042 #include "nsString.h"
00043 #include "nsCOMPtr.h"
00044 
00045 class nsXFormsSetFocusElement : public nsXFormsActionModuleBase
00046 {
00047 public:
00048   nsXFormsSetFocusElement();
00049   virtual nsresult HandleSingleAction(nsIDOMEvent *aEvent,
00050                                       nsIXFormsActionElement *aParentAction);
00051 };
00052 
00053 nsXFormsSetFocusElement::nsXFormsSetFocusElement()
00054 {
00055 }
00056 
00057 nsresult
00058 nsXFormsSetFocusElement::HandleSingleAction(nsIDOMEvent *aEvent,
00059                                       nsIXFormsActionElement *aParentAction)
00060 {
00061   nsAutoString control;
00062   mElement->GetAttribute(NS_LITERAL_STRING("control"), control);
00063   if (control.IsEmpty())
00064     return NS_OK;
00065 
00066   nsCOMPtr<nsIDOMElement> el;
00067   nsXFormsUtils::GetElementById(control, PR_TRUE, mElement, getter_AddRefs(el));
00068   if (!el)
00069     return NS_OK;
00070   
00071   return nsXFormsUtils::DispatchEvent(el, eEvent_Focus);
00072 }
00073 
00074 NS_HIDDEN_(nsresult)
00075 NS_NewXFormsSetFocusElement(nsIXTFElement **aResult)
00076 {
00077   *aResult = new nsXFormsSetFocusElement();
00078   if (!*aResult)
00079     return NS_ERROR_OUT_OF_MEMORY;
00080 
00081   NS_ADDREF(*aResult);
00082   return NS_OK;
00083 }
00084