gecko-dev/extensions/xforms/nsXFormsTriggerElement.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 IBM Corporation.
* Portions created by the Initial Developer are Copyright (C) 2004
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Darin Fisher <darin@meer.net>
* Allan Beaufour <allan@beaufour.dk>
*
* 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 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 "nsIXTFXMLVisual.h"
#include "nsIDOM3Node.h"
#include "nsIDOMElement.h"
#include "nsIDOMUIEvent.h"
#include "nsIDOMEventTarget.h"
#include "nsIDOMDocumentEvent.h"
#include "nsIDOMDocument.h"
#include "nsIDOMHTMLElement.h"
#include "nsIDOMHTMLButtonElement.h"
#include "nsIDOMDocumentView.h"
#include "nsIDOMAbstractView.h"
#include "nsCOMPtr.h"
#include "nsString.h"
#include "nsIXTFXMLVisualWrapper.h"
#include "nsXFormsAtoms.h"
#include "nsXFormsUtils.h"
#include "nsXFormsControlStub.h"
#include "nsIXFormsSubmitElement.h"
#include "nsIXFormsSubmissionElement.h"
#include "nsXFormsDelegateStub.h"
#include "nsIXFormsUIWidget.h"
NS_HIDDEN_(nsresult)
NS_NewXFormsTriggerElement(nsIXTFElement **aResult)
{
*aResult = new nsXFormsDelegateStub(NS_LITERAL_STRING("trigger"));
if (!*aResult)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(*aResult);
return NS_OK;
}
//-----------------------------------------------------------------------------
class nsXFormsSubmitElement : public nsXFormsDelegateStub,
public nsIXFormsSubmitElement
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIXFORMSSUBMITELEMENT
// nsIXTFElement overrides
NS_IMETHOD HandleDefault(nsIDOMEvent *aEvent, PRBool *aHandled);
#ifdef DEBUG_smaug
virtual const char* Name() { return "submit"; }
#endif
};
NS_IMPL_ISUPPORTS_INHERITED1(nsXFormsSubmitElement,
nsXFormsDelegateStub,
nsIXFormsSubmitElement)
// nsIXTFElement
NS_IMETHODIMP
nsXFormsSubmitElement::HandleDefault(nsIDOMEvent *aEvent, PRBool *aHandled)
{
nsresult rv;
rv = nsXFormsDelegateStub::HandleDefault(aEvent, aHandled);
NS_ENSURE_SUCCESS(rv, rv);
if (*aHandled) {
return NS_OK;
}
if (!nsXFormsUtils::EventHandlingAllowed(aEvent, mElement))
return NS_OK;
nsAutoString type;
aEvent->GetType(type);
if (!(*aHandled = type.EqualsLiteral("DOMActivate")))
return NS_OK;
NS_NAMED_LITERAL_STRING(submission, "submission");
nsAutoString submissionID;
mElement->GetAttribute(submission, submissionID);
nsCOMPtr<nsIDOMDocument> ownerDoc;
mElement->GetOwnerDocument(getter_AddRefs(ownerDoc));
NS_ENSURE_STATE(ownerDoc);
nsCOMPtr<nsIDOMElement> submissionElement;
ownerDoc->GetElementById(submissionID, getter_AddRefs(submissionElement));
nsCOMPtr<nsIXFormsSubmissionElement> xfSubmission(do_QueryInterface(submissionElement));
if (!xfSubmission) {
const PRUnichar *strings[] = { submissionID.get(), submission.get() };
nsXFormsUtils::ReportError(NS_LITERAL_STRING("idRefError"),
strings, 2, mElement, mElement);
return nsXFormsUtils::DispatchEvent(mElement, eEvent_BindingException);
}
xfSubmission->SetActivator(this);
nsXFormsUtils::DispatchEvent(submissionElement, eEvent_Submit);
*aHandled = PR_TRUE;
return NS_OK;
}
NS_IMETHODIMP
nsXFormsSubmitElement::SetDisabled(PRBool aDisable)
{
nsCOMPtr<nsIXFormsUIWidget> widget(do_QueryInterface(mElement));
if (widget) {
widget->Disable(aDisable);
}
return NS_OK;
}
NS_HIDDEN_(nsresult)
NS_NewXFormsSubmitElement(nsIXTFElement **aResult)
{
*aResult = new nsXFormsSubmitElement();
if (!*aResult)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(*aResult);
return NS_OK;
}